:root {
    --bg: #f5f7f8;
    --surface: #ffffff;
    --surface-soft: #f8fafb;
    --text: #17212b;
    --muted: #687482;
    --line: #dfe5e8;
    --line-strong: #cbd5da;
    --primary: #0f766e;
    --primary-dark: #0b5f59;
    --primary-soft: #e7f5f3;
    --blue-soft: #eaf2ff;
    --violet-soft: #f1edff;
    --danger: #b42318;
    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 28px;
    --shadow-sm: 0 8px 22px rgba(23, 33, 43, 0.06);
    --shadow: 0 20px 50px rgba(23, 33, 43, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--bg);
    color: var(--text);
    font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

button,
a,
label {
    -webkit-tap-highlight-color: transparent;
}

img,
svg {
    display: block;
}

svg {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

h1,
h2,
p {
    margin-top: 0;
}

h1,
h2,
strong {
    word-break: keep-all;
}

.container {
    width: min(100% - 32px, 1180px);
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 999;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--text);
    color: #fff;
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 2147483000;
    overflow: visible;
    border-bottom: 1px solid rgba(223, 229, 232, 0.88);
    background: rgba(255, 255, 255, 0.98);
}

.header-inner {
    min-height: 66px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.18rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 7px 16px rgba(15, 118, 110, 0.2);
}

.brand-mark svg {
    width: 21px;
    height: 21px;
    stroke-width: 1.9;
}

/* 카테고리 메뉴. */
.menu-button {
    position: relative;
    z-index: 2147483646;
    width: 46px;
    height: 46px;
    display: grid;
    place-content: center;
    gap: 5px;
    border: 0;
    border-radius: 13px;
    background: var(--surface-soft);
    cursor: pointer;
}

.menu-button span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2147483600;
    padding: 0;
    border: 0;
    background: rgba(15, 23, 42, 0.34);
    cursor: default;
}

body.menu-open .menu-backdrop {
    display: block;
}

.site-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 2147483620;
    width: min(88vw, 380px);
    padding: 82px 16px max(28px, env(safe-area-inset-bottom));
    overflow-y: auto;
    border-left: 1px solid var(--line);
    background: var(--surface);
    box-shadow: -18px 0 45px rgba(21, 38, 37, 0.14);
}

.site-menu.is-open {
    display: block;
}

body.menu-open {
    overflow: hidden;
}

.menu-group {
    border-bottom: 1px solid var(--line);
}

.menu-group-button,
.menu-all-tools {
    width: 100%;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 4px;
    border: 0;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-weight: 750;
    text-align: left;
    white-space: nowrap;
    cursor: pointer;
}

.menu-chevron {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s ease;
}

.menu-group-button[aria-expanded="true"] .menu-chevron {
    transform: rotate(225deg) translate(-2px, -2px);
}

.menu-dropdown {
    display: none;
    padding: 0 0 14px;
}

.menu-group.is-open .menu-dropdown {
    display: block;
}

.menu-dropdown-head {
    display: none;
}

.menu-link-grid,
.menu-category-grid {
    display: grid;
    gap: 4px;
}

.menu-link-grid a,
.menu-category a {
    min-height: 42px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--muted);
    font-size: 0.88rem;
    white-space: nowrap;
}

.menu-link-grid a:hover,
.menu-category a:hover {
    background: var(--surface-soft);
    color: var(--primary);
}

.menu-category h2 {
    margin: 14px 12px 4px;
    color: var(--primary);
    font-size: 0.73rem;
    letter-spacing: 0.02em;
}

.menu-coming {
    color: var(--muted);
    font-size: 0.88rem;
}

.home-hero {
    position: relative;
    overflow: hidden;
    padding: 58px 0 66px;
    background:
        radial-gradient(circle at 84% 12%, rgba(15, 118, 110, 0.11), transparent 30%),
        linear-gradient(180deg, #fff 0%, #f7fbfa 100%);
}

.hero-grid {
    display: grid;
    gap: 44px;
    align-items: center;
}

.eyebrow,
.section-kicker {
    margin-bottom: 13px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.11em;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.eyebrow span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 5px var(--primary-soft);
}

.home-hero h1 {
    margin-bottom: 20px;
    font-size: clamp(2.45rem, 10vw, 4.4rem);
    line-height: 1.12;
    letter-spacing: -0.065em;
}

.home-hero h1 em {
    color: var(--primary);
    font-style: normal;
}

.hero-copy {
    max-width: 620px;
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 1.04rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 13px;
    font-weight: 750;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button svg,
.tool-link svg {
    width: 18px;
    height: 18px;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.2);
}

.button-primary:hover {
    background: var(--primary-dark);
}

.button-secondary {
    border-color: var(--line-strong);
    background: #fff;
}

.trust-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 24px 0 0;
    padding: 0;
    color: var(--muted);
    font-size: 0.88rem;
    list-style: none;
}

.trust-list li {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trust-list svg {
    width: 17px;
    height: 17px;
    color: var(--primary);
    stroke-width: 2.3;
}

.hero-visual {
    position: relative;
    min-height: 330px;
    display: grid;
    place-items: center;
}

.visual-glow {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(15, 118, 110, 0.1);
    filter: blur(16px);
}

.visual-card {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
}

.visual-card-main {
    position: relative;
    width: min(88%, 390px);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 34px;
    border: 1px solid rgba(203, 213, 218, 0.8);
    border-radius: 28px;
    text-align: center;
    transform: rotate(-1.5deg);
}

.visual-card-head {
    position: absolute;
    top: 18px;
    left: 20px;
    display: flex;
    gap: 5px;
}

.visual-card-head span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #d4dadd;
}

.visual-upload-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    margin-bottom: 6px;
    border-radius: 20px;
    background: var(--primary-soft);
    color: var(--primary);
}

.visual-upload-icon svg {
    width: 34px;
    height: 34px;
}

.visual-card-main>span {
    color: var(--muted);
    font-size: 0.84rem;
}

.visual-progress {
    width: 78%;
    height: 7px;
    margin-top: 10px;
    overflow: hidden;
    border-radius: 99px;
    background: #e9eef0;
}

.visual-progress i {
    display: block;
    width: 68%;
    height: 100%;
    border-radius: inherit;
    background: var(--primary);
}

.visual-badge {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 14px;
    border: 1px solid rgba(203, 213, 218, 0.7);
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.visual-badge-top {
    top: 8px;
    right: 0;
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
}

.visual-badge-top strong {
    color: var(--primary);
    font-size: 1.2rem;
}

.visual-badge-top span,
.visual-badge-bottom span {
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.4;
}

.visual-badge-bottom {
    bottom: 8px;
    left: 0;
}

.visual-badge-bottom svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.visual-badge-bottom strong {
    color: var(--text);
}

.section {
    padding: 64px 0;
}

.tools-section {
    background: var(--bg);
}

.section-heading {
    margin-bottom: 24px;
}

.section-heading h2,
.content-intro h2,
.privacy-panel h2 {
    margin-bottom: 10px;
    font-size: clamp(1.65rem, 6vw, 2.35rem);
    line-height: 1.25;
    letter-spacing: -0.045em;
}

.section-heading>p,
.content-intro>p,
.privacy-panel>div>p {
    color: var(--muted);
}

.tool-grid {
    display: grid;
    gap: 15px;
}

.tool-card {
    position: relative;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 11px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.tool-card-featured:hover {
    transform: translateY(-4px);
    border-color: rgba(15, 118, 110, 0.35);
    box-shadow: var(--shadow);
}

.tool-card.is-coming {
    background: rgba(255, 255, 255, 0.72);
}

.tool-status {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 9px;
    border-radius: 99px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 750;
}

.is-coming .tool-status {
    background: #eef1f3;
    color: var(--muted);
}

.tool-card-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    margin-bottom: 5px;
    border-radius: 17px;
}

.tool-card-icon svg {
    width: 29px;
    height: 29px;
}

.icon-teal {
    background: var(--primary-soft);
    color: var(--primary);
}

.icon-blue {
    background: var(--blue-soft);
    color: #3467b7;
}

.icon-violet {
    background: var(--violet-soft);
    color: #6f55b7;
}

.tool-card>strong {
    font-size: 1.13rem;
}

.tool-card>span:not(.tool-status):not(.tool-card-icon):not(.tool-link) {
    color: var(--muted);
    font-size: 0.92rem;
}

.tool-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
    color: var(--primary);
    font-size: 0.86rem;
    font-weight: 750;
}

.is-coming .tool-link {
    color: #99a2aa;
}

.privacy-section {
    padding-top: 0;
}

.privacy-panel {
    display: grid;
    gap: 24px;
    padding: 30px;
    border-radius: var(--radius-lg);
    background: #163a38;
    color: #fff;
}

.privacy-panel .section-kicker {
    color: #8ed6cf;
}

.privacy-panel>div>p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
}

.privacy-icon {
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: #a7e2dc;
}

.privacy-icon svg {
    width: 35px;
    height: 35px;
}

.privacy-points {
    display: grid;
    gap: 10px;
}

.privacy-points span {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.9rem;
}

.privacy-points strong {
    color: #8ed6cf;
    font-size: 0.76rem;
}

.tool-page-head {
    padding: 34px 0 30px;
    background: linear-gradient(180deg, #fff 0%, #f6faf9 100%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 24px;
    color: var(--muted);
    font-size: 0.82rem;
}

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.tool-title-row {
    display: grid;
    gap: 22px;
}

.tool-title-row h1 {
    margin-bottom: 13px;
    font-size: clamp(2.1rem, 9vw, 3.4rem);
    line-height: 1.14;
    letter-spacing: -0.06em;
}

.tool-title-row>div:first-child>p:last-child {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--muted);
}

.tool-security-badge {
    display: flex;
    align-items: center;
    gap: 11px;
    width: fit-content;
    padding: 12px 15px;
    border: 1px solid #cce4e1;
    border-radius: 15px;
    background: var(--primary-soft);
    color: var(--primary);
}

.tool-security-badge svg {
    width: 28px;
    height: 28px;
}

.tool-security-badge span {
    color: #4f6866;
    font-size: 0.76rem;
    line-height: 1.4;
}

.tool-security-badge strong {
    color: var(--primary);
}

.tool-workspace-section {
    padding-top: 24px;
}

.tool-layout {
    display: grid;
    gap: 20px;
    align-items: start;
}

.tool-main-column {
    min-width: 0;
}

/* 공통 광고 슬롯. */
.ad-slot {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    text-align: center;
}

.ad-slot > ins,
.ad-slot iframe {
    max-width: 100%;
}

.ad-slot-workspace-top {
    margin-bottom: 18px;
}

.ad-slot-workspace-bottom {
    margin-top: 18px;
}

.ad-slot-page-top {
    margin: 18px 0 0;
}

.ad-slot-page-bottom {
    margin: 18px 0;
}

.ad-slot-content-middle {
    margin: 24px 0;
}

.tool-panel,
.content-card,
.sidebar-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.tool-panel {
    padding: 18px;
}

.tool-panel-head,
.option-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.tool-panel-head {
    margin-bottom: 16px;
}

.tool-panel-head>div,
.option-heading>div {
    display: flex;
    align-items: center;
    gap: 11px;
}

.tool-panel-head strong,
.option-heading strong {
    display: block;
    font-size: 0.96rem;
}

.tool-panel-head p,
.option-heading p {
    margin: 1px 0 0;
    color: var(--muted);
    font-size: 0.75rem;
}

.step-number {
    width: 31px;
    height: 31px;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
}

.supported-formats {
    display: none;
    color: var(--muted);
    font-size: 0.72rem;
}

.drop-zone {
    min-height: 285px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 28px 18px;
    border: 2px dashed #b9c8c8;
    border-radius: 18px;
    background: linear-gradient(180deg, #fbfdfd 0%, #f5faf9 100%);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.drop-zone:hover,
.drop-zone.is-dragging {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.drop-zone.is-dragging {
    transform: scale(0.995);
}

.drop-zone-icon {
    width: 68px;
    height: 68px;
    display: grid;
    place-items: center;
    margin-bottom: 3px;
    border-radius: 21px;
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.drop-zone-icon svg {
    width: 36px;
    height: 36px;
}

.drop-zone-title {
    font-size: 1.06rem;
    font-weight: 800;
}

.drop-zone-copy {
    max-width: 470px;
    color: var(--muted);
    font-size: 0.82rem;
}

.file-select-button {
    min-width: 132px;
    margin-top: 5px;
}

.option-card {
    margin-top: 16px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-soft);
}

.option-heading output {
    min-width: 52px;
    padding: 5px 8px;
    border-radius: 9px;
    background: var(--primary);
    color: #fff;
    text-align: center;
    font-size: 0.84rem;
    font-weight: 800;
}

.option-card input[type="range"] {
    width: 100%;
    height: 28px;
    margin: 15px 0 0;
    accent-color: var(--primary);
    cursor: pointer;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.7rem;
}

.tool-message {
    min-height: 0;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.84rem;
}

.tool-message:not(:empty) {
    min-height: 42px;
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: 11px;
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.result-list {
    display: grid;
    gap: 11px;
    margin-top: 14px;
}

.result-card {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
}

.result-card.is-error {
    grid-template-columns: 1fr;
    color: var(--danger);
}

.result-preview {
    width: 70px;
    height: 70px;
    border-radius: 11px;
    object-fit: cover;
    background: #eef1f3;
}

.result-info {
    min-width: 0;
    display: grid;
    gap: 3px;
}

.result-info strong {
    overflow: hidden;
    font-size: 0.9rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-info span {
    color: var(--muted);
    font-size: 0.76rem;
}

.result-download {
    grid-column: 1 / -1;
    min-height: 44px;
    border-radius: 11px;
    background: var(--primary);
    color: #fff;
    font-size: 0.86rem;
    font-weight: 750;
}

.content-card {
    margin-top: 20px;
    padding: 24px 18px;
}

.content-intro {
    margin-bottom: 25px;
}

.content-intro>p:last-child {
    margin-bottom: 0;
}

.how-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.how-list li {
    display: flex;
    gap: 13px;
    padding: 16px;
    border-radius: 15px;
    background: var(--surface-soft);
}

.how-list>li>span {
    width: 30px;
    height: 30px;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 9px;
    background: #fff;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}

.how-list strong {
    font-size: 0.9rem;
}

.how-list p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.info-grid {
    display: grid;
    gap: 13px;
    margin-top: 26px;
}

.info-grid section {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 15px;
}

.info-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    margin-bottom: 12px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
}

.info-icon svg {
    width: 22px;
    height: 22px;
}

.info-grid h2 {
    margin-bottom: 7px;
    font-size: 1rem;
}

.info-grid p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.tool-sidebar {
    display: none;
}

.sidebar-card {
    padding: 20px;
}

.sidebar-card+.sidebar-card {
    margin-top: 14px;
}

.sidebar-card h2 {
    margin-bottom: 14px;
    font-size: 0.95rem;
}

.sidebar-card ul {
    display: grid;
    gap: 11px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sidebar-card li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.82rem;
}

.sidebar-card li svg {
    width: 17px;
    height: 17px;
    color: var(--primary);
    stroke-width: 2.4;
}

.related-tool {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.82rem;
}

.related-tool:last-child {
    border-bottom: 0;
}

.related-tool small {
    color: #9aa3aa;
}

/* 푸터 상단 중복선 제거. */
.site-footer {
    border-top: 0;
    background: var(--surface);
}

.footer-grid {
    display: grid;
    gap: 22px;
    padding: 34px 0 26px;
}

.footer-brand p {
    max-width: 430px;
    margin: 13px 0 0;
    color: var(--muted);
    font-size: 0.83rem;
}

/* 하단 카테고리 메뉴. */
.footer-menu {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 18px;
}

.footer-menu section {
    display: grid;
    align-content: start;
    gap: 9px;
}

.footer-menu h2 {
    margin: 0 0 3px;
    font-size: 0.84rem;
}

.footer-menu a {
    color: var(--muted);
    font-size: 0.78rem;
}

.footer-menu a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 7px 16px;
    padding: 17px 0 24px;
    border-top: 1px solid var(--line);
    color: #8a949c;
    font-size: 0.72rem;
}

.footer-bottom p {
    margin: 0;
}

.empty-state {
    min-height: 58vh;
    display: grid;
    align-content: center;
}

@media (min-width: 600px) {
    .supported-formats {
        display: inline;
    }

    .tool-panel,
    .content-card {
        padding: 24px;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .result-card {
        grid-template-columns: 78px minmax(0, 1fr) auto;
    }

    .result-preview {
        width: 78px;
        height: 78px;
    }

    .result-download {
        grid-column: auto;
        min-width: 104px;
        padding: 0 16px;
    }
}

@media (min-width: 1024px) {
    .container {
        width: min(100% - 48px, 1180px);
    }

    .header-inner {
        min-height: 72px;
    }

    .menu-button {
        display: none;
    }

    .site-menu {
        position: static;
        width: auto;
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 0;
        overflow: visible;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .menu-group {
        position: relative;
        border: 0;
    }

    .menu-group-button,
    .menu-all-tools {
        width: auto;
        min-height: 42px;
        padding: 0 14px;
        border-radius: 11px;
        font-size: 0.9rem;
    }

    .menu-group-button:hover,
    .menu-all-tools:hover {
        background: var(--surface-soft);
        color: var(--primary);
    }

    .menu-chevron {
        width: 7px;
        height: 7px;
        border-width: 1.5px;
    }

    .menu-dropdown {
        position: absolute;
        top: calc(100% + 4px);
        left: 0;
        z-index: 80;
        min-width: 330px;
        padding: 18px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: var(--surface);
        box-shadow: 0 20px 55px rgba(21, 38, 37, 0.16);
    }

    .menu-group-pdf .menu-dropdown {
        left: auto;
        right: 0;
        width: min(760px, calc(100vw - 48px));
    }

    .menu-group.is-open .menu-dropdown {
        display: block;
    }

    .menu-dropdown-head {
        display: grid;
        gap: 3px;
        padding: 0 6px 13px;
        border-bottom: 1px solid var(--line);
    }

    .menu-dropdown-head strong {
        font-size: 0.96rem;
    }

    .menu-dropdown-head small {
        color: var(--muted);
        font-size: 0.74rem;
    }

    .menu-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding-top: 10px;
    }

    .menu-category-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 10px;
        padding-top: 8px;
    }

    .menu-category h2 {
        margin-top: 8px;
    }

    .home-hero {
        padding: 86px 0 92px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
        gap: 60px;
    }

    .hero-visual {
        min-height: 430px;
    }

    .visual-card-main {
        min-height: 290px;
    }

    .visual-badge-top {
        top: 38px;
    }

    .visual-badge-bottom {
        bottom: 35px;
    }

    .section {
        padding: 88px 0;
    }

    .heading-row {
        display: flex;
        align-items: end;
        justify-content: space-between;
        gap: 50px;
    }

    .heading-row>p {
        max-width: 420px;
        margin-bottom: 7px;
    }

    .tool-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .privacy-panel {
        grid-template-columns: auto minmax(0, 1fr) minmax(230px, 0.55fr);
        align-items: center;
        padding: 42px;
    }

    .tool-page-head {
        padding: 48px 0 42px;
    }

    .tool-title-row {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
    }

    .tool-workspace-section {
        padding-top: 30px;
    }

    .content-card {
        padding: 32px;
    }

    .how-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .how-list li {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: start;
        padding: 42px 0 30px;
    }

    .footer-menu {
        grid-template-columns: repeat(4, minmax(120px, 1fr));
    }
}


@media (min-width: 768px) and (max-width: 1023px) {
    .menu-button {
        display: grid;
    }

    .site-menu {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 2147483620;
        width: min(88vw, 380px);
        padding: 88px 16px max(28px, env(safe-area-inset-bottom));
        overflow-y: auto;
        border-left: 1px solid var(--line);
        background: var(--surface);
        box-shadow: -18px 0 45px rgba(21, 38, 37, 0.14);
    }

    .site-menu.is-open {
        display: block;
    }

    .menu-group {
        border-bottom: 1px solid var(--line);
    }

    .menu-group-button,
    .menu-all-tools {
        width: 100%;
        min-height: 54px;
        padding: 0 4px;
        border-radius: 0;
    }

    .menu-dropdown {
        position: static;
        width: auto;
        min-width: 0;
        padding: 0 0 14px;
        border: 0;
        box-shadow: none;
    }

    .menu-group-pdf .menu-dropdown {
        width: auto;
    }

    .menu-dropdown-head {
        display: none;
    }

    .menu-link-grid,
    .menu-category-grid {
        grid-template-columns: 1fr;
        padding-top: 0;
    }
}

@media (min-width: 1024px) {
    .tool-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
        gap: 24px;
    }

    .tool-sidebar {
        position: sticky;
        top: 96px;
        display: block;
    }

    .tool-panel {
        padding: 28px;
    }

    .drop-zone {
        min-height: 320px;
    }
}


@media (max-width: 767px) {
    .site-menu {
        width: min(92vw, 380px);
    }
}

@media (max-width: 480px) {
    .site-menu {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* 사진 크기 변경 설정. */
.resize-settings {
    margin-top: 18px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: var(--surface-soft);
}

.resize-mode-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
    margin: 18px 0;
    padding: 5px;
    border-radius: 13px;
    background: #e9eef0;
}

.resize-mode {
    min-height: 44px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--muted);
    font-weight: 750;
    cursor: pointer;
}

.resize-mode.is-active {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 3px 10px rgba(23, 33, 43, 0.08);
}

.resize-option-panel {
    padding: 2px 0 4px;
}

.field-label,
.dimension-grid label span {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 750;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 7px;
    margin-bottom: 16px;
}

.preset-buttons.compact {
    grid-template-columns: repeat(3, 1fr);
    margin: 12px 0 0;
}

.preset-buttons button {
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--muted);
    font-weight: 700;
    cursor: pointer;
}

.preset-buttons button.is-active {
    border-color: rgba(15, 118, 110, 0.42);
    background: var(--primary-soft);
    color: var(--primary);
}

.range-output-row {
    display: grid;
    grid-template-columns: 1fr 64px;
    align-items: center;
    gap: 12px;
}

.range-output-row input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
}

.range-output-row output {
    min-height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--primary);
    font-weight: 800;
}

.dimension-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px minmax(0, 1fr);
    align-items: end;
    gap: 8px;
}

.dimension-grid input,
.input-with-unit input {
    width: 100%;
    min-height: 48px;
    padding: 0 13px;
    border: 1px solid var(--line-strong);
    border-radius: 11px;
    background: #fff;
    color: var(--text);
    outline: none;
}

.dimension-grid input:focus,
.input-with-unit input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.ratio-lock {
    width: 42px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--muted);
    cursor: pointer;
}

.ratio-lock.is-active {
    border-color: rgba(15, 118, 110, 0.42);
    background: var(--primary-soft);
    color: var(--primary);
}

.ratio-lock svg {
    width: 20px;
    height: 20px;
}

.field-help {
    margin: 9px 0 0;
    color: var(--muted);
    font-size: 0.75rem;
}

.input-with-unit {
    position: relative;
}

.input-with-unit input {
    padding-right: 48px;
}

.input-with-unit span {
    position: absolute;
    top: 50%;
    right: 15px;
    color: var(--muted);
    font-size: 0.82rem;
    transform: translateY(-50%);
}

.resize-start {
    width: 100%;
    margin-top: 20px;
}

.resize-start:disabled {
    background: #aeb9bd;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.tool-message.is-error {
    color: var(--danger);
}

.related-tool:not(.disabled):hover {
    border-color: rgba(15, 118, 110, 0.35);
    color: var(--primary);
}

@media (max-width: 420px) {
    .resize-settings {
        padding: 16px;
    }

    .resize-mode {
        font-size: 0.8rem;
    }

    .preset-buttons button {
        font-size: 0.78rem;
    }

    .dimension-grid {
        grid-template-columns: 1fr 38px 1fr;
        gap: 6px;
    }

    .ratio-lock {
        width: 38px;
    }
}

/* 이미지 형식 변환. */
.convert-settings {
    padding: 24px;
    border-top: 1px solid var(--line);
    background: var(--surface-soft);
}

.format-choice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 18px;
}

.format-choice {
    min-height: 86px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
}

.format-choice strong {
    font-size: 1rem;
}

.format-choice span {
    color: var(--muted);
    font-size: 0.78rem;
}

.format-choice.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.08);
}

.quality-control,
.background-setting {
    display: block;
    margin-top: 20px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--surface);
}

.quality-control[hidden],
.background-setting[hidden] {
    display: none;
}

.quality-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
    font-weight: 750;
}

.quality-label output {
    color: var(--primary);
}

.quality-control input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
}

.quality-control p,
.background-setting>span,
.color-input-wrap span {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.background-setting>span {
    display: block;
    margin: 0 0 10px;
    color: var(--text);
    font-weight: 750;
}

.color-input-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-input-wrap input {
    width: 48px;
    height: 42px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
}

.color-input-wrap span {
    margin: 0;
}

.convert-start {
    width: 100%;
    margin-top: 20px;
}

.convert-start:disabled {
    opacity: 0.48;
    cursor: not-allowed;
    box-shadow: none;
}

.format-guide-grid {
    display: grid;
    gap: 12px;
    margin: 26px 0;
}

.format-guide-grid section {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--surface-soft);
}

.format-guide-grid strong {
    color: var(--primary);
}

.format-guide-grid p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 560px) {
    .convert-settings {
        padding: 20px 16px;
    }

    .format-choice-grid {
        grid-template-columns: 1fr;
    }

    .format-choice {
        min-height: 68px;
        align-items: flex-start;
    }
}

@media (min-width: 760px) {
    .format-guide-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 결과 다운로드 버튼 중앙 정렬. */
.result-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-align: center;
}

/* 이미지 PDF 설정. */
.pdf-settings {
    display: grid;
    gap: 20px;
    margin-top: 24px;
}

.setting-field {
    display: grid;
    gap: 10px;
}

.setting-label {
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 750;
}

.compact-choice-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.compact-choice {
    min-height: 46px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}

.compact-choice.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.selected-file-summary {
    display: grid;
    gap: 3px;
    margin-top: 14px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface-soft);
}

.selected-file-summary strong {
    font-size: 0.9rem;
}

.selected-file-summary span {
    color: var(--muted);
    font-size: 0.78rem;
}

.pdf-result {
    margin-top: 14px;
}

.pdf-result-card {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
}

.pdf-result-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: #fff1f1;
    color: #c24141;
}

.pdf-result-icon svg {
    width: 27px;
    height: 27px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.pdf-result-info {
    min-width: 0;
    display: grid;
    gap: 4px;
}

.pdf-result-info strong {
    overflow: hidden;
    font-size: 0.9rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-result-info span {
    color: var(--muted);
    font-size: 0.78rem;
}

.pdf-download {
    grid-column: 1 / -1;
}

@media (min-width: 600px) {
    .pdf-result-card {
        grid-template-columns: 58px minmax(0, 1fr) auto;
    }

    .pdf-result-icon {
        width: 58px;
        height: 58px;
    }

    .pdf-download {
        grid-column: auto;
        min-width: 132px;
    }
}

/* PDF 합치기 목록. */
.pdf-merge-list {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.pdf-merge-item {
    display: grid;
    grid-template-columns: 34px 42px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
}

.pdf-order {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 0.78rem;
    font-weight: 800;
}

.pdf-file-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: #fff1f1;
    color: #c24141;
}

.pdf-file-icon svg {
    width: 23px;
    height: 23px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.pdf-file-info {
    min-width: 0;
    display: grid;
    gap: 3px;
}

.pdf-file-info strong {
    overflow: hidden;
    font-size: 0.86rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-file-info small {
    color: var(--muted);
    font-size: 0.75rem;
}

.pdf-item-buttons {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 42px);
    justify-content: end;
    gap: 6px;
}

.pdf-item-buttons button {
    width: 42px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-soft);
    color: var(--muted);
    cursor: pointer;
}

.pdf-item-buttons button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.pdf-item-buttons button:disabled {
    opacity: 0.35;
    cursor: default;
}

.pdf-item-buttons button.remove:hover {
    border-color: #dc6b6b;
    color: #b42323;
}

.pdf-item-buttons svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.pdf-merge-actions {
    display: grid;
    gap: 4px;
    margin-top: 24px;
}

@media (min-width: 640px) {
    .pdf-merge-item {
        grid-template-columns: 34px 46px minmax(0, 1fr) auto;
    }

    .pdf-item-buttons {
        grid-column: auto;
    }
}

/* PDF 분할 옵션. */
.pdf-split-options {
    display: grid;
    gap: 18px;
    margin-top: 24px;
}

.split-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.split-mode {
    min-width: 0;
    min-height: 82px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    color: var(--text);
    text-align: left;
    cursor: pointer;
}

.split-mode strong {
    font-size: 0.88rem;
}

.split-mode span {
    color: var(--muted);
    font-size: 0.74rem;
    line-height: 1.45;
}

.split-mode:hover,
.split-mode.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.split-mode.is-active strong {
    color: var(--primary-dark);
}

.pdf-range-field {
    display: grid;
    gap: 8px;
}

.pdf-range-field[hidden] {
    display: none;
}

.pdf-range-field label {
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 750;
}

.pdf-range-field input {
    width: 100%;
    min-height: 50px;
    padding: 0 15px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 0.92rem;
    outline: none;
}

.pdf-range-field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.pdf-range-field p {
    margin: 0;
    color: var(--muted);
    font-size: 0.76rem;
}

.pdf-split-result {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.pdf-split-result.is-multiple {
    max-height: 620px;
    overflow: auto;
    padding-right: 2px;
}

@media (min-width: 700px) {
    .split-mode-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* PDF JPG 변환 설정. */
.pdf-to-image-options {
    display: grid;
    gap: 18px;
    margin-top: 24px;
}

.pdf-setting-grid,
.setting-block {
    display: grid;
    gap: 12px;
}

.pdf-setting-grid {
    gap: 18px;
}

.setting-block {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-soft);
}

.setting-label {
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 750;
}

.compact-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.quality-choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compact-choice {
    min-width: 0;
    min-height: 70px;
    display: grid;
    align-content: center;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    text-align: left;
    cursor: pointer;
}

.compact-choice strong {
    font-size: 0.84rem;
}

.compact-choice span {
    color: var(--muted);
    font-size: 0.7rem;
    line-height: 1.4;
}

.compact-choice:hover,
.compact-choice.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.compact-choice.is-active strong {
    color: var(--primary-dark);
}

.jpeg-quality-block {
    gap: 10px;
}

/* PDF JPG 변환 결과. */
.pdf-image-result {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.pdf-image-card {
    min-width: 0;
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.pdf-image-preview {
    width: 82px;
    height: 82px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #f4f7f7;
}

.pdf-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pdf-image-info {
    min-width: 0;
    display: grid;
    gap: 4px;
}

.pdf-image-info strong {
    overflow: hidden;
    font-size: 0.84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-image-info>span:last-child {
    color: var(--muted);
    font-size: 0.73rem;
}

.pdf-page-badge {
    width: fit-content;
    padding: 4px 7px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 0.68rem;
    font-weight: 800;
}

.pdf-image-download {
    grid-column: 1 / -1;
    width: 100%;
}

@media (min-width: 680px) {
    .pdf-setting-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .jpeg-quality-block {
        grid-column: 1 / -1;
    }

    .pdf-image-card {
        grid-template-columns: 96px minmax(0, 1fr) auto;
        padding: 14px;
    }

    .pdf-image-preview {
        width: 96px;
        height: 96px;
    }

    .pdf-image-download {
        grid-column: auto;
        width: auto;
        min-width: 124px;
    }
}

@media (max-width: 420px) {
    .quality-choice-grid {
        grid-template-columns: 1fr;
    }

    .quality-choice-grid .compact-choice {
        min-height: 58px;
    }
}

/* PDF 회전 선택 카드. */
.split-mode-grid-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split-mode-grid-angle {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.option-heading-spaced {
    margin-top: 28px;
}

@media (max-width: 640px) {
    .split-mode-grid-angle {
        grid-template-columns: 1fr;
    }
}

/* PDF 페이지 삭제 요약. */
.pdf-range-field-visible {
    display: grid;
}

.delete-page-preview {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.delete-page-preview>span {
    min-width: 0;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #f8fbfb;
}

.delete-page-preview strong {
    font-size: 0.86rem;
}

.delete-page-preview small {
    overflow: hidden;
    color: var(--muted);
    font-size: 0.73rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 420px) {
    .delete-page-preview {
        grid-template-columns: 1fr;
    }
}

/* PDF 페이지 순서 변경. */
.pdf-reorder-options {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.pdf-reorder-toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.pdf-reorder-toolbar .button {
    width: 100%;
}

.pdf-reorder-list {
    display: grid;
    gap: 8px;
    max-height: 620px;
    overflow: auto;
    padding: 2px;
}

.pdf-reorder-item {
    min-width: 0;
    display: grid;
    grid-template-columns: 18px 32px minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    padding: 11px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    transition: border-color .18s ease, opacity .18s ease, transform .18s ease;
}

.pdf-reorder-item.is-dragging {
    opacity: .5;
}

.pdf-reorder-item.is-drag-over {
    border-color: var(--primary);
    transform: translateY(2px);
}

.pdf-reorder-handle {
    display: grid;
    gap: 3px;
    cursor: grab;
}

.pdf-reorder-handle i {
    height: 2px;
    border-radius: 999px;
    background: #a8b6b4;
}

.pdf-reorder-position {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: .76rem;
    font-weight: 800;
}

.pdf-reorder-page {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.pdf-reorder-page strong {
    overflow: hidden;
    font-size: .82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-reorder-page small {
    color: var(--muted);
    font-size: .69rem;
}

.pdf-reorder-actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
}

.pdf-reorder-actions button {
    min-height: 34px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #f8fbfb;
    color: var(--text);
    font: inherit;
    font-size: .72rem;
    font-weight: 700;
    cursor: pointer;
}

.pdf-reorder-actions button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary-dark);
}

.pdf-reorder-actions button:disabled {
    opacity: .38;
    cursor: default;
}

@media (min-width: 720px) {
    .pdf-reorder-toolbar {
        display: flex;
        justify-content: flex-end;
    }

    .pdf-reorder-toolbar .button {
        width: auto;
    }

    .pdf-reorder-item {
        grid-template-columns: 18px 36px minmax(0, 1fr) auto;
        padding: 12px 14px;
    }

    .pdf-reorder-actions {
        grid-column: auto;
        width: 220px;
    }
}

/* PDF 페이지 번호 설정. */
.pdf-number-options {
    display: grid;
    gap: 20px;
    margin-top: 24px;
}

.pdf-number-setting-grid {
    display: grid;
    gap: 12px;
}

.pdf-number-setting-grid .setting-block,
.pdf-number-page-block {
    min-width: 0;
}

.pdf-number-position-block {
    grid-column: 1 / -1;
}

.pdf-number-position-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    margin-top: 10px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #f8fbfb;
}

.pdf-number-position {
    min-width: 0;
    min-height: 46px;
    padding: 8px 5px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: .75rem;
    font-weight: 750;
    cursor: pointer;
}

.pdf-number-position.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: inset 0 0 0 1px var(--primary);
}

.pdf-number-page-block {
    display: grid;
    gap: 12px;
}

.pdf-number-preview {
    display: grid;
    gap: 8px;
}

.pdf-number-preview>span {
    color: var(--muted);
    font-size: .75rem;
    font-weight: 750;
}

.pdf-number-preview-paper {
    position: relative;
    width: min(100%, 260px);
    aspect-ratio: 1 / 1.38;
    justify-self: center;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(16, 49, 45, .08);
}

.pdf-number-preview-paper::before {
    content: '';
    position: absolute;
    inset: 20% 15%;
    border-top: 5px solid #dce7e5;
    border-bottom: 5px solid #dce7e5;
    box-shadow: 0 18px 0 #e9f0ef, 0 36px 0 #e9f0ef, 0 54px 0 #e9f0ef;
}

.pdf-number-preview-paper i {
    position: absolute;
    z-index: 1;
    color: #3d4b49;
    font-style: normal;
    line-height: 1;
    white-space: nowrap;
}

.pdf-number-preview-paper[data-position="top-left"] i {
    top: 16px;
    left: 16px;
}

.pdf-number-preview-paper[data-position="top-center"] i {
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
}

.pdf-number-preview-paper[data-position="top-right"] i {
    top: 16px;
    right: 16px;
}

.pdf-number-preview-paper[data-position="bottom-left"] i {
    bottom: 16px;
    left: 16px;
}

.pdf-number-preview-paper[data-position="bottom-center"] i {
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
}

.pdf-number-preview-paper[data-position="bottom-right"] i {
    right: 16px;
    bottom: 16px;
}

@media (min-width: 680px) {
    .pdf-number-setting-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .pdf-number-position-grid {
        gap: 5px;
        padding: 7px;
    }

    .pdf-number-position {
        min-height: 42px;
        font-size: .68rem;
    }

    .pdf-number-preview-paper {
        width: min(78vw, 230px);
    }
}

/* PDF 워터마크 설정. */
.pdf-watermark-options,
.pdf-watermark-grid,
.pdf-watermark-preview-wrap {
    display: grid;
    gap: 14px;
}

.pdf-watermark-grid {
    grid-template-columns: minmax(0, 1fr);
}

.pdf-watermark-text-block {
    grid-column: 1 / -1;
}

.pdf-watermark-text-block small,
.pdf-watermark-grid .setting-block small {
    color: var(--muted);
    font-size: .74rem;
    line-height: 1.55;
}

.color-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.color-input-row input[type="color"] {
    width: 42px;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
}

.color-input-row span {
    color: var(--muted);
    font-size: .78rem;
    font-weight: 750;
}

.pdf-watermark-preview-wrap>span {
    color: var(--muted);
    font-size: .75rem;
    font-weight: 750;
}

.pdf-watermark-preview {
    position: relative;
    width: min(100%, 280px);
    aspect-ratio: 1 / 1.38;
    justify-self: center;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(16, 49, 45, .08);
}

.pdf-watermark-preview::before {
    content: '';
    position: absolute;
    inset: 16% 13%;
    border-top: 5px solid #dce7e5;
    border-bottom: 5px solid #dce7e5;
    box-shadow: 0 18px 0 #e9f0ef, 0 36px 0 #e9f0ef, 0 54px 0 #e9f0ef, 0 72px 0 #e9f0ef;
}

.pdf-watermark-preview i {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: max-content;
    max-width: 90%;
    overflow: hidden;
    color: #66706f;
    font-style: normal;
    font-weight: 800;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
    transform-origin: center;
}

.pdf-watermark-preview[data-layout="top"] i {
    top: 22%;
}

.pdf-watermark-preview[data-layout="bottom"] i {
    top: 78%;
}

.pdf-watermark-preview[data-layout="repeat"]::after {
    content: attr(data-preview-text);
    position: absolute;
    inset: 0;
    opacity: .1;
}

@media (min-width: 680px) {
    .pdf-watermark-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .pdf-watermark-preview {
        width: min(78vw, 230px);
    }
}


/* PDF 압축 결과 */
.pdf-compress-choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pdf-compress-notice {
    margin-top: 18px;
}

.pdf-compress-result {
    margin-top: 22px;
    padding: 22px;
    border: 1px solid #dbe7e5;
    border-radius: 18px;
    background: #f8fbfb;
}

.compression-result-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.compression-result-summary>div {
    padding: 15px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid #e5eceb;
    text-align: center;
}

.compression-result-summary span {
    display: block;
    margin-bottom: 6px;
    color: #64748b;
    font-size: 13px;
}

.compression-result-summary strong {
    display: block;
    color: #0f172a;
    font-size: 18px;
}

.pdf-compress-result .result-download {
    width: 100%;
    min-height: 50px;
}

@media (max-width: 640px) {
    .pdf-compress-choice-grid {
        grid-template-columns: 1fr;
    }

    .compression-result-summary {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .pdf-compress-result {
        padding: 16px;
        border-radius: 15px;
    }

    .compression-result-summary>div {
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
    }

    .compression-result-summary span {
        margin-bottom: 0;
    }

    .compression-result-summary strong {
        font-size: 16px;
    }
}


/* PDF 서명 도구 */
.pdf-sign-source-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 20px 0 14px
}

.pdf-sign-source-tabs button {
    min-height: 48px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    font: inherit;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer
}

.pdf-sign-source-tabs button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.signature-pad-wrap {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    background-image: linear-gradient(#f7faf9 1px, transparent 1px), linear-gradient(90deg, #f7faf9 1px, transparent 1px);
    background-size: 24px 24px
}

.signature-pad-wrap canvas {
    display: block;
    width: 100%;
    height: 190px;
    touch-action: none
}

.signature-pad-wrap>span {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #a7b0ae;
    pointer-events: none
}

.signature-toolbar {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 12px
}

.signature-toolbar label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700
}

.signature-toolbar input[type=color] {
    width: 42px;
    height: 34px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff
}

.signature-toolbar .button {
    margin-left: auto
}

.signature-image-picker {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 130px;
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    background: #fafcfb;
    cursor: pointer
}

.signature-image-picker strong {
    font-size: 16px
}

.signature-image-picker span {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 13px
}

.signature-image-preview {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 12px;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 14px
}

.signature-image-preview img {
    max-width: 180px;
    max-height: 70px;
    object-fit: contain
}

.signature-image-preview span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.pdf-sign-placement-heading {
    margin-top: 28px
}

.pdf-sign-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px
}

.pdf-sign-grid .setting-block {
    margin: 0
}

.pdf-sign-position-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px
}

.pdf-sign-position-grid button {
    min-height: 42px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer
}

.pdf-sign-position-grid button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.pdf-sign-document-preview {
    position: relative;
    width: min(100%, 300px);
    aspect-ratio: 0.707;
    margin: 20px auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(25, 44, 40, .08)
}

.pdf-sign-document-preview:before {
    content: "";
    position: absolute;
    left: 12%;
    right: 12%;
    top: 14%;
    height: 42%;
    background: repeating-linear-gradient(to bottom, #dfe6e4 0, #dfe6e4 5px, transparent 5px, transparent 16px)
}

.pdf-sign-document-preview span {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    border-bottom: 2px solid #24312f;
    color: #24312f;
    font-family: cursive;
    font-weight: 700;
    font-style: italic;
    --preview-margin: 12px
}

.pdf-sign-document-preview .is-top-left {
    top: var(--preview-margin);
    left: var(--preview-margin)
}

.pdf-sign-document-preview .is-top-right {
    top: var(--preview-margin);
    right: var(--preview-margin)
}

.pdf-sign-document-preview .is-center {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%)
}

.pdf-sign-document-preview .is-bottom-left {
    bottom: var(--preview-margin);
    left: var(--preview-margin)
}

.pdf-sign-document-preview .is-bottom-right {
    bottom: var(--preview-margin);
    right: var(--preview-margin)
}

@media (max-width:720px) {
    .pdf-sign-grid {
        grid-template-columns: 1fr
    }

    .signature-pad-wrap canvas {
        height: 160px
    }

    .signature-toolbar {
        display: grid;
        grid-template-columns: 1fr 1fr
    }

    .signature-toolbar .button {
        grid-column: 1/-1;
        width: 100%;
        margin-left: 0
    }

    .signature-image-preview {
        align-items: flex-start;
        flex-direction: column
    }

    .signature-image-preview img {
        max-width: 100%
    }

    .pdf-sign-position-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

/* PDF 페이지 크기 변경. */
.pdf-resize-pages-options,
.pdf-resize-setting-grid {
    display: grid;
    gap: 14px;
}

.pdf-resize-setting-grid {
    grid-template-columns: minmax(0, 1fr);
}

.pdf-resize-size-block {
    grid-column: 1 / -1;
}

.pdf-resize-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.pdf-resize-choice-grid button {
    min-width: 0;
    min-height: 68px;
    padding: 12px 8px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font: inherit;
    cursor: pointer;
}

.pdf-resize-choice-grid button strong,
.pdf-resize-choice-grid button span {
    display: block;
}

.pdf-resize-choice-grid button strong {
    margin-bottom: 4px;
    font-size: .92rem;
}

.pdf-resize-choice-grid button span {
    color: var(--text-muted);
    font-size: .72rem;
}

.pdf-resize-choice-grid button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: inset 0 0 0 1px var(--primary);
}

.pdf-resize-preview-block {
    align-content: start;
}

.setting-label {
    color: var(--text);
    font-size: .88rem;
    font-weight: 800;
}

.pdf-resize-paper-preview {
    --preview-margin: 8px;
    position: relative;
    width: min(100%, 210px);
    aspect-ratio: 1 / 1.414;
    justify-self: center;
    margin-top: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(16, 49, 45, .08);
    transition: width .2s ease, aspect-ratio .2s ease;
}

.pdf-resize-paper-preview[data-orientation="landscape"] {
    width: min(100%, 280px);
    aspect-ratio: 1.414 / 1;
}

.pdf-resize-paper-preview i {
    position: absolute;
    inset: var(--preview-margin);
    border: 1px dashed #b8cbc7;
    border-radius: 5px;
    background: repeating-linear-gradient(to bottom, #e5edeb 0, #e5edeb 4px, transparent 4px, transparent 14px);
}

.pdf-resize-paper-preview strong,
.pdf-resize-paper-preview small {
    position: absolute;
    z-index: 1;
    left: 50%;
    transform: translateX(-50%);
    padding: 3px 7px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .9);
    white-space: nowrap;
}

.pdf-resize-paper-preview strong {
    top: 42%;
    color: var(--primary-dark);
    font-size: 1rem;
}

.pdf-resize-paper-preview small {
    top: 56%;
    color: var(--text-muted);
    font-size: .68rem;
}

@media (min-width: 760px) {
    .pdf-resize-setting-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pdf-resize-choice-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .pdf-resize-choice-grid {
        gap: 6px;
    }

    .pdf-resize-choice-grid button {
        min-height: 62px;
        padding: 9px 5px;
    }

    .pdf-resize-paper-preview {
        width: min(62vw, 190px);
    }

    .pdf-resize-paper-preview[data-orientation="landscape"] {
        width: min(78vw, 260px);
    }
}


/* 이미지 자르기 */
.crop-editor {
    display: grid;
    gap: 22px;
    padding: 22px
}

.crop-stage-wrap {
    display: grid;
    place-items: center;
    min-width: 0;
    padding: 12px;
    border-radius: 16px;
    background: #172321
}

.crop-stage {
    position: relative;
    display: inline-block;
    max-width: 100%;
    line-height: 0;
    overflow: hidden;
    touch-action: none;
    user-select: none
}

.crop-stage img {
    display: block;
    max-width: 100%;
    max-height: min(62vh, 620px);
    width: auto;
    height: auto
}

.crop-shade {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .48);
    pointer-events: none
}

.crop-box {
    position: absolute;
    border: 2px solid #fff;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, .48);
    cursor: move;
    touch-action: none
}

.crop-grid {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 33.1%, rgba(255, 255, 255, .55) 33.3%, rgba(255, 255, 255, .55) 33.7%, transparent 33.9%, transparent 66.1%, rgba(255, 255, 255, .55) 66.3%, rgba(255, 255, 255, .55) 66.7%, transparent 66.9%), linear-gradient(to bottom, transparent 33.1%, rgba(255, 255, 255, .55) 33.3%, rgba(255, 255, 255, .55) 33.7%, transparent 33.9%, transparent 66.1%, rgba(255, 255, 255, .55) 66.3%, rgba(255, 255, 255, .55) 66.7%, transparent 66.9%);
    pointer-events: none
}

.crop-handle {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 3px solid #fff;
    background: var(--primary);
    border-radius: 50%;
    touch-action: none
}

.crop-handle-nw {
    left: -10px;
    top: -10px;
    cursor: nwse-resize
}

.crop-handle-ne {
    right: -10px;
    top: -10px;
    cursor: nesw-resize
}

.crop-handle-sw {
    left: -10px;
    bottom: -10px;
    cursor: nesw-resize
}

.crop-handle-se {
    right: -10px;
    bottom: -10px;
    cursor: nwse-resize
}

.crop-controls {
    display: grid;
    gap: 20px
}

.crop-ratio-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px
}

.crop-ratio-grid button {
    min-height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
    color: var(--text-color);
    font: inherit;
    font-weight: 700
}

.crop-ratio-grid button.is-active {
    border-color: var(--primary);
    background: #eaf7f5;
    color: var(--primary-dark)
}

.crop-output-grid {
    display: grid;
    gap: 16px
}

.crop-output-grid label {
    display: grid;
    gap: 8px
}

.crop-output-grid label>span {
    font-weight: 700
}

.crop-output-grid select {
    width: 100%;
    min-height: 46px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
    font: inherit
}

.crop-action-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 10px
}

.crop-result-item img {
    width: 86px;
    height: 70px;
    object-fit: cover;
    border-radius: 10px
}

.crop-result-item .result-info {
    min-width: 0;
    display: grid;
    gap: 5px
}

.crop-result-item .result-info strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.crop-result-item .result-info span {
    color: var(--text-muted);
    font-size: .85rem
}

@media(min-width:760px) {
    .crop-output-grid {
        grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr)
    }
}

@media(max-width:520px) {
    .crop-editor {
        padding: 15px
    }

    .crop-stage-wrap {
        padding: 7px;
        border-radius: 12px
    }

    .crop-ratio-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr))
    }

    .crop-action-row {
        grid-template-columns: 1fr
    }

    .crop-result-item {
        align-items: stretch
    }

    .crop-result-item img {
        width: 100%;
        height: auto;
        max-height: 220px
    }

    .crop-result-item .result-download {
        width: 100%
    }
}

/* 이미지 회전·반전 */
.image-rotate-editor {
    display: grid;
    gap: 22px;
    padding: 22px
}

.image-rotate-preview-wrap {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 260px;
    padding: 20px;
    overflow: hidden;
    border-radius: 16px;
    background: #172321
}

.image-rotate-preview {
    display: grid;
    place-items: center;
    width: 100%;
    min-height: 220px;
    overflow: hidden
}

.image-rotate-preview img {
    display: block;
    max-width: min(100%, 680px);
    max-height: min(58vh, 560px);
    transition: transform .22s ease;
    transform-origin: center
}

.image-transform-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px
}

.image-transform-grid button {
    display: grid;
    place-items: center;
    gap: 7px;
    min-height: 82px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text-color);
    font: inherit;
    cursor: pointer
}

.image-transform-grid button:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.image-transform-grid svg {
    width: 25px;
    height: 25px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round
}

.image-transform-grid strong {
    font-size: .84rem
}

.image-rotate-status {
    padding: 11px 14px;
    border-radius: 10px;
    background: #f0f7f5;
    color: var(--primary-dark);
    font-size: .84rem;
    font-weight: 700;
    text-align: center
}

@media(min-width:760px) {
    .image-transform-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr))
    }
}

@media(max-width:520px) {
    .image-rotate-editor {
        padding: 15px
    }

    .image-rotate-preview-wrap {
        min-height: 220px;
        padding: 12px;
        border-radius: 12px
    }

    .image-rotate-preview {
        min-height: 190px
    }

    .image-transform-grid {
        gap: 7px
    }

    .image-transform-grid button {
        min-height: 76px;
        padding: 8px 4px
    }

    .image-transform-grid strong {
        font-size: .78rem
    }
}

/* 이미지 워터마크 */
.watermark-mode-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0
}

.watermark-mode-tabs button {
    min-height: 48px;
    border: 1px solid #d7e2e7;
    border-radius: 14px;
    background: #fff;
    color: #52616b;
    font: inherit;
    font-weight: 700;
    cursor: pointer
}

.watermark-mode-tabs button.is-active {
    border-color: #0f766e;
    background: #ecfdf5;
    color: #0f766e
}

.watermark-settings-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 22px
}

.watermark-preview-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    padding: 18px;
    border: 1px solid #dfe8ec;
    border-radius: 20px;
    background: #eef3f5
}

.watermark-preview-card canvas {
    display: block;
    max-width: 100%;
    max-height: 560px;
    border-radius: 10px;
    box-shadow: 0 14px 35px rgba(15, 23, 42, .16)
}

.watermark-controls {
    display: grid;
    align-content: start;
    gap: 16px
}

.watermark-controls label,
.watermark-option-group label {
    display: grid;
    gap: 8px
}

.watermark-controls label>span,
.watermark-option-group label>span {
    font-size: 14px;
    font-weight: 700;
    color: #334155
}

.watermark-controls select,
.watermark-controls input[type=text],
.watermark-controls input[type=number] {
    width: 100%;
    min-height: 46px;
    border: 1px solid #d7e2e7;
    border-radius: 12px;
    padding: 0 13px;
    background: #fff;
    color: #0f172a;
    font: inherit
}

.watermark-inline-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

.watermark-inline-fields input[type=color] {
    width: 100%;
    height: 46px;
    padding: 4px;
    border: 1px solid #d7e2e7;
    border-radius: 12px;
    background: #fff
}

.logo-file-button {
    padding: 16px;
    border: 1px dashed #a8bbc4;
    border-radius: 14px;
    background: #f8fafc;
    cursor: pointer
}

.logo-file-button small,
.watermark-logo-name {
    font-size: 13px;
    color: #64748b
}

.watermark-logo-name {
    padding: 10px 0 0;
    overflow-wrap: anywhere
}

@media (max-width:860px) {
    .watermark-settings-grid {
        grid-template-columns: 1fr
    }

    .watermark-preview-card {
        min-height: 300px
    }

    .watermark-controls {
        gap: 14px
    }
}

@media (max-width:480px) {
    .watermark-mode-tabs {
        gap: 8px
    }

    .watermark-mode-tabs button {
        min-height: 46px;
        padding: 8px;
        font-size: 14px
    }

    .watermark-preview-card {
        min-height: 230px;
        padding: 10px;
        border-radius: 16px
    }

    .watermark-inline-fields {
        grid-template-columns: 1fr
    }

    .watermark-controls select,
    .watermark-controls input[type=text],
    .watermark-controls input[type=number] {
        min-width: 0
    }

    .watermark-editor .crop-action-row {
        grid-template-columns: 1fr
    }

    .watermark-editor .crop-action-row .button {
        width: 100%
    }
}

/* 이미지 모자이크·블러 */
.mosaic-editor {
    display: grid;
    gap: 20px;
    padding: 22px
}

.mosaic-toolbar {
    display: grid;
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 16px;
    align-items: end
}

.mosaic-mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px
}

.mosaic-mode-tabs button {
    min-height: 46px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text-muted);
    font: inherit;
    font-weight: 700;
    cursor: pointer
}

.mosaic-mode-tabs button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.mosaic-strength {
    display: grid;
    gap: 8px
}

.mosaic-strength>span {
    font-weight: 700
}

.mosaic-canvas-wrap {
    display: grid;
    place-items: center;
    min-height: 260px;
    padding: 14px;
    overflow: hidden;
    border-radius: 18px;
    background: #172321
}

.mosaic-canvas-wrap canvas {
    display: block;
    max-width: 100%;
    height: auto;
    cursor: crosshair;
    touch-action: none;
    user-select: none
}

.mosaic-help {
    margin: 0;
    color: var(--text-muted);
    font-size: .86rem;
    text-align: center
}

.mosaic-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px
}

.mosaic-output-grid {
    margin-top: 2px
}

@media(max-width:640px) {
    .mosaic-editor {
        padding: 15px
    }

    .mosaic-toolbar {
        grid-template-columns: 1fr
    }

    .mosaic-canvas-wrap {
        min-height: 210px;
        padding: 8px;
        border-radius: 13px
    }

    .mosaic-action-grid {
        grid-template-columns: 1fr
    }

    .mosaic-help {
        text-align: left
    }

    .mosaic-editor .crop-action-row {
        grid-template-columns: 1fr
    }

    .mosaic-editor .crop-action-row .button {
        width: 100%
    }
}

/* 이미지 배경 변경 */
.background-editor {
    display: grid;
    gap: 20px;
    padding: 22px
}

.background-work-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 22px
}

.background-preview-card {
    display: grid;
    place-items: center;
    min-height: 390px;
    padding: 18px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 20px
}

.checkerboard {
    background-color: #fff;
    background-image: linear-gradient(45deg, #e7ecef 25%, transparent 25%), linear-gradient(-45deg, #e7ecef 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e7ecef 75%), linear-gradient(-45deg, transparent 75%, #e7ecef 75%);
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-size: 20px 20px
}

.background-preview-card canvas {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 560px
}

.background-preview-card canvas.is-picking {
    cursor: crosshair;
    touch-action: none
}

.background-controls {
    display: grid;
    align-content: start;
    gap: 16px
}

.background-controls label {
    display: grid;
    gap: 8px
}

.background-controls label>span {
    font-size: .9rem;
    font-weight: 700
}

.background-controls small {
    color: var(--text-muted);
    line-height: 1.55
}

.background-controls select {
    width: 100%;
    min-height: 46px;
    padding: 0 13px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text-color);
    font: inherit
}

.background-color-row {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px
}

.background-color-row input[type=color],
#background-output-color {
    width: 100%;
    height: 48px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff
}

.background-color-row .button {
    min-width: 0;
    width: 100%
}

.background-color-row .button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.background-mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px
}

.background-mode-tabs button {
    min-height: 46px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text-muted);
    font: inherit;
    font-weight: 700;
    cursor: pointer
}

.background-mode-tabs button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.background-help {
    margin: 0;
    color: var(--text-muted);
    font-size: .86rem;
    text-align: center
}

.result-preview-checker {
    display: grid;
    place-items: center;
    width: 96px;
    height: 76px;
    overflow: hidden;
    border-radius: 12px
}

.result-preview-checker img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain
}

@media(max-width:860px) {
    .background-work-grid {
        grid-template-columns: 1fr
    }

    .background-preview-card {
        min-height: 290px
    }
}

@media(max-width:520px) {
    .background-editor {
        padding: 15px
    }

    .background-preview-card {
        min-height: 220px;
        padding: 10px;
        border-radius: 14px
    }

    .background-color-row {
        grid-template-columns: 56px minmax(0, 1fr)
    }

    .background-mode-tabs {
        gap: 7px
    }

    .background-mode-tabs button {
        padding: 8px 4px;
        font-size: .86rem
    }

    .background-editor .crop-action-row {
        grid-template-columns: 1fr
    }

    .background-editor .crop-action-row .button {
        width: 100%
    }

    .background-help {
        text-align: left
    }

    .result-preview-checker {
        width: 100%;
        height: 150px
    }
}

/* 이미지 테두리·여백 */
.border-editor {
    display: grid;
    gap: 20px;
    padding: 22px
}

.border-work-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 22px
}

.border-preview-card {
    display: grid;
    place-items: center;
    min-height: 390px;
    padding: 18px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 20px
}

.border-preview-card canvas {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 560px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .12)
}

.border-controls {
    display: grid;
    align-content: start;
    gap: 16px
}

.border-controls label {
    display: grid;
    gap: 8px
}

.border-controls label>span,
.control-label {
    font-size: .9rem;
    font-weight: 700
}

.border-controls select {
    width: 100%;
    min-height: 46px;
    padding: 0 13px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    color: var(--text-color);
    font: inherit
}

.border-ratio-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 7px;
    margin-top: 8px
}

.border-ratio-grid button {
    min-height: 44px;
    padding: 7px 4px;
    border: 1px solid var(--border-color);
    border-radius: 11px;
    background: #fff;
    color: var(--text-muted);
    font: inherit;
    font-weight: 700;
    cursor: pointer
}

.border-ratio-grid button.is-active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark)
}

.border-color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

.border-color-grid input[type=color] {
    width: 100%;
    height: 48px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff
}

.border-result-item .result-preview-checker {
    flex: 0 0 96px
}

@media(max-width:860px) {
    .border-work-grid {
        grid-template-columns: 1fr
    }

    .border-preview-card {
        min-height: 290px
    }
}

@media(max-width:520px) {
    .border-editor {
        padding: 15px
    }

    .border-preview-card {
        min-height: 220px;
        padding: 10px;
        border-radius: 14px
    }

    .border-ratio-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr))
    }

    .border-color-grid {
        grid-template-columns: 1fr
    }

    .border-editor .crop-action-row {
        grid-template-columns: 1fr
    }

    .border-editor .crop-action-row .button {
        width: 100%
    }

    .border-result-item {
        align-items: stretch
    }

    .border-result-item .result-preview-checker {
        width: 100%;
        height: 160px;
        flex-basis: auto
    }

    .border-result-item .result-download {
        width: 100%
    }
}


/* 모바일 메뉴 최상위 레이어. */
@media (max-width: 1023px) {
    .site-header {
        position: sticky;
        top: 0;
        isolation: isolate;
        transform: none;
        filter: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .header-inner {
        position: relative;
        z-index: 2147483645;
    }

    .menu-button {
        position: relative;
        z-index: 2147483647;
        flex: 0 0 46px;
    }

    .menu-backdrop {
        position: fixed;
        inset: 0;
        z-index: 2147483600;
    }

    .site-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 2147483620;
        max-height: 100dvh;
        transform: translateX(102%);
        visibility: hidden;
        display: block;
        transition: transform 0.22s ease, visibility 0.22s ease;
    }

    .site-menu.is-open {
        transform: translateX(0);
        visibility: visible;
    }

    body.menu-open .site-header {
        z-index: 2147483000;
    }

    body.menu-open main,
    body.menu-open .site-footer {
        position: relative;
        z-index: 0;
    }
}


/* 이미지 글자 넣기. */
.image-text-editor {
    padding: 22px
}

.image-text-settings-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
    gap: 22px
}

.image-text-preview-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    padding: 18px;
    border: 1px solid #dfe8ec;
    border-radius: 20px;
    background: #172321
}

.image-text-preview-card canvas {
    display: block;
    max-width: 100%;
    max-height: 580px;
    border-radius: 10px;
    box-shadow: 0 14px 35px rgba(15, 23, 42, .24)
}

.image-text-controls {
    display: grid;
    align-content: start;
    gap: 16px
}

.image-text-controls label {
    display: grid;
    gap: 8px
}

.image-text-controls label>span {
    font-size: 14px;
    font-weight: 700;
    color: #334155
}

.image-text-controls textarea,
.image-text-controls select,
.image-text-controls input[type=number] {
    width: 100%;
    min-height: 46px;
    border: 1px solid #d7e2e7;
    border-radius: 12px;
    padding: 11px 13px;
    background: #fff;
    color: #0f172a;
    font: inherit
}

.image-text-controls textarea {
    resize: vertical;
    line-height: 1.55
}

.image-text-controls label small {
    color: #64748b;
    text-align: right
}

.image-text-inline-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

.image-text-inline-fields input[type=color] {
    width: 100%;
    height: 46px;
    padding: 4px;
    border: 1px solid #d7e2e7;
    border-radius: 12px;
    background: #fff
}

.image-text-choice-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px
}

.image-text-choice-grid button {
    min-height: 44px;
    border: 1px solid #d7e2e7;
    border-radius: 11px;
    background: #fff;
    color: #52616b;
    font: inherit;
    font-weight: 700;
    cursor: pointer
}

.image-text-choice-grid button.is-active {
    border-color: #0f766e;
    background: #ecfdf5;
    color: #0f766e
}

.image-text-toggle-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px
}

.image-text-toggle-row label {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 13px;
    border: 1px solid #d7e2e7;
    border-radius: 12px;
    background: #fff
}

.image-text-toggle-row input {
    width: 18px;
    height: 18px;
    accent-color: #0f766e
}

.image-text-result-item .result-preview-checker {
    width: 92px;
    height: 72px;
    flex: 0 0 92px
}

.image-text-result-item .result-preview-checker img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.image-text-result-item .result-info {
    min-width: 0
}

.image-text-result-item .result-info strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

@media(max-width:860px) {
    .image-text-settings-grid {
        grid-template-columns: 1fr
    }

    .image-text-preview-card {
        min-height: 300px
    }

    .image-text-controls {
        gap: 14px
    }
}

@media(max-width:520px) {
    .image-text-editor {
        padding: 15px
    }

    .image-text-preview-card {
        min-height: 230px;
        padding: 9px;
        border-radius: 15px
    }

    .image-text-inline-fields {
        grid-template-columns: 1fr
    }

    .image-text-toggle-row {
        grid-template-columns: 1fr 1fr
    }

    .image-text-editor .crop-action-row {
        grid-template-columns: 1fr
    }

    .image-text-editor .crop-action-row .button {
        width: 100%
    }

    .image-text-result-item {
        align-items: stretch
    }

    .image-text-result-item .result-preview-checker {
        width: 100%;
        height: 160px;
        flex-basis: auto
    }

    .image-text-result-item .result-download {
        width: 100%
    }
}


/* 이미지 EXIF 확인·삭제. */
.exif-editor {
    display: grid;
    gap: 20px;
    padding: 22px
}

.exif-work-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
    gap: 22px
}

.exif-preview-card,
.exif-info-card {
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: #fff
}

.exif-preview-card {
    display: grid;
    align-content: start;
    overflow: hidden
}

.exif-preview-card>img {
    display: block;
    width: 100%;
    max-height: 430px;
    object-fit: contain;
    background: #172321
}

.exif-file-summary {
    display: grid;
    gap: 5px;
    padding: 16px 18px
}

.exif-file-summary strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.exif-file-summary span {
    color: var(--text-muted);
    font-size: .86rem
}

.exif-info-card {
    padding: 18px
}

.exif-privacy-status {
    display: flex;
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    background: #f3f7f6
}

.exif-status-dot {
    flex: 0 0 12px;
    width: 12px;
    height: 12px;
    margin-top: 5px;
    border-radius: 50%;
    background: #94a3b8;
    box-shadow: 0 0 0 6px rgba(148, 163, 184, .13)
}

.exif-privacy-status strong {
    display: block;
    margin-bottom: 3px
}

.exif-privacy-status p {
    margin: 0;
    color: var(--text-muted);
    font-size: .82rem;
    line-height: 1.5
}

.exif-privacy-status.is-warning {
    background: #fff8e8
}

.exif-privacy-status.is-warning .exif-status-dot {
    background: #d97706;
    box-shadow: 0 0 0 6px rgba(217, 119, 6, .12)
}

.exif-privacy-status.is-safe {
    background: var(--primary-soft)
}

.exif-privacy-status.is-safe .exif-status-dot {
    background: var(--primary);
    box-shadow: 0 0 0 6px rgba(15, 118, 110, .12)
}

.exif-info-list {
    display: grid;
    margin: 16px 0 0
}

.exif-info-row {
    display: grid;
    grid-template-columns: minmax(100px, .7fr) minmax(0, 1.3fr);
    gap: 12px;
    padding: 11px 3px;
    border-bottom: 1px solid var(--border-color)
}

.exif-info-row dt {
    color: var(--text-muted);
    font-size: .85rem
}

.exif-info-row dd {
    margin: 0;
    overflow-wrap: anywhere;
    font-size: .88rem;
    font-weight: 700;
    text-align: right
}

.exif-info-row.is-sensitive dd {
    color: #b45309
}

.exif-empty {
    display: grid;
    gap: 5px;
    padding: 20px 4px;
    text-align: center
}

.exif-empty span,
.exif-note {
    color: var(--text-muted);
    font-size: .82rem;
    line-height: 1.55
}

.exif-note {
    margin: 15px 0 0
}

.exif-action-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 10px
}

.exif-result-item .result-preview-checker {
    width: 92px;
    height: 72px;
    flex: 0 0 92px
}

.exif-result-item .result-preview-checker img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.exif-result-item .result-info {
    min-width: 0
}

.exif-result-item .result-info strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.exif-result-item .result-info small {
    color: var(--text-muted)
}

@media(max-width:860px) {
    .exif-work-grid {
        grid-template-columns: 1fr
    }
}

@media(max-width:520px) {
    .exif-editor {
        padding: 15px
    }

    .exif-preview-card,
    .exif-info-card {
        border-radius: 15px
    }

    .exif-preview-card>img {
        max-height: 300px
    }

    .exif-info-card {
        padding: 14px
    }

    .exif-info-row {
        grid-template-columns: 100px minmax(0, 1fr);
        gap: 8px
    }

    .exif-action-row {
        grid-template-columns: 1fr
    }

    .exif-action-row .button {
        width: 100%
    }

    .exif-result-item {
        align-items: stretch
    }

    .exif-result-item .result-preview-checker {
        width: 100%;
        height: 160px;
        flex-basis: auto
    }

    .exif-result-item .result-download {
        width: 100%
    }
}


/* GIF 만들기. */
.gif-editor {
    display: grid;
    gap: 20px;
    padding: 22px
}

.gif-frame-list {
    display: grid;
    gap: 10px;
    max-height: 440px;
    overflow: auto
}

.gif-frame-item {
    display: grid;
    grid-template-columns: 38px 64px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: #fff
}

.gif-frame-number {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: .82rem;
    font-weight: 800
}

.gif-frame-item>img {
    width: 64px;
    height: 52px;
    border-radius: 9px;
    object-fit: cover;
    background: #e8efef
}

.gif-frame-info {
    min-width: 0;
    display: grid;
    gap: 4px
}

.gif-frame-info strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: .9rem
}

.gif-frame-info small {
    color: var(--text-muted);
    font-size: .78rem
}

.gif-frame-actions {
    display: flex;
    gap: 6px
}

.gif-frame-actions button {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: #fff;
    color: #475569;
    font: inherit;
    font-weight: 800;
    cursor: pointer
}

.gif-frame-actions button:disabled {
    opacity: .35;
    cursor: default
}

.gif-settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px
}

.gif-settings-grid label {
    display: grid;
    gap: 8px
}

.gif-settings-grid label>span {
    font-size: .84rem;
    font-weight: 700;
    color: #334155
}

.gif-settings-grid select,
.gif-settings-grid input[type=color] {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 9px 12px;
    background: #fff;
    color: var(--text);
    font: inherit
}

.gif-settings-grid input[type=color] {
    padding: 4px
}

.gif-action-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 10px
}

.gif-progress {
    height: 8px;
    margin: 16px 22px;
    overflow: hidden;
    border-radius: 999px;
    background: #e8efef
}

.gif-progress span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--primary);
    transition: width .18s ease
}

.gif-result-item .result-preview-checker {
    width: 110px;
    height: 84px;
    flex: 0 0 110px
}

.gif-result-item .result-preview-checker img {
    width: 100%;
    height: 100%;
    object-fit: contain
}

.gif-result-item .result-info {
    min-width: 0
}

.gif-result-item .result-info strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.gif-result-item .result-info span {
    color: var(--text-muted);
    font-size: .82rem
}

@media(max-width:620px) {
    .gif-editor {
        padding: 15px
    }

    .gif-frame-item {
        grid-template-columns: 30px 54px minmax(0, 1fr);
        gap: 9px
    }

    .gif-frame-item>img {
        width: 54px;
        height: 46px
    }

    .gif-frame-actions {
        grid-column: 2/4;
        justify-content: flex-end
    }

    .gif-settings-grid {
        grid-template-columns: 1fr
    }

    .gif-action-row {
        grid-template-columns: 1fr
    }

    .gif-action-row .button {
        width: 100%
    }

    .gif-result-item {
        align-items: stretch
    }

    .gif-result-item .result-preview-checker {
        width: 100%;
        height: 190px;
        flex-basis: auto
    }

    .gif-result-item .result-download {
        width: 100%
    }
}

/* GIF 미리보기. */
.gif-preview-panel {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: #f8fbfb
}

.gif-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px
}

.gif-preview-head>div {
    display: grid;
    gap: 3px
}

.gif-preview-head strong {
    font-size: .92rem
}

.gif-preview-head p {
    margin: 0;
    color: var(--text-muted);
    font-size: .78rem
}

.gif-preview-head>span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: .76rem;
    font-weight: 800
}

.gif-live-preview {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 240px;
    overflow: hidden;
    border-radius: 14px;
    background: linear-gradient(45deg, #edf2f2 25%, transparent 25%), linear-gradient(-45deg, #edf2f2 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #edf2f2 75%), linear-gradient(-45deg, transparent 75%, #edf2f2 75%);
    background-size: 22px 22px;
    background-position: 0 0, 0 11px, 11px -11px, -11px 0;
    background-color: #fff
}

.gif-live-preview img {
    display: block;
    max-width: 100%;
    max-height: 420px;
    object-fit: contain
}

.gif-live-preview img[hidden] {
    display: none
}

.gif-live-preview-empty {
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: .86rem
}

.gif-result-item .result-info small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: .76rem
}

.gif-result-item .result-preview-checker {
    overflow: hidden;
    background: linear-gradient(45deg, #edf2f2 25%, transparent 25%), linear-gradient(-45deg, #edf2f2 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #edf2f2 75%), linear-gradient(-45deg, transparent 75%, #edf2f2 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-color: #fff
}

@media(max-width:620px) {
    .gif-preview-panel {
        padding: 12px
    }

    .gif-preview-head {
        align-items: flex-start
    }

    .gif-live-preview {
        min-height: 210px
    }

    .gif-live-preview img {
        max-height: 320px
    }
}

/* GIF 고도화. */
.gif-option-section {
    display: grid;
    gap: 10px
}

.gif-option-title {
    font-size: .86rem;
    color: #334155
}

.gif-choice-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 9px
}

.gif-choice-grid label {
    position: relative;
    cursor: pointer
}

.gif-choice-grid input {
    position: absolute;
    opacity: 0;
    pointer-events: none
}

.gif-choice-grid span {
    display: grid;
    place-items: center;
    gap: 3px;
    min-height: 66px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 13px;
    background: #fff;
    font-weight: 800;
    text-align: center;
    transition: .18s ease
}

.gif-choice-grid small {
    color: var(--text-muted);
    font-size: .72rem;
    font-weight: 500
}

.gif-choice-grid input:checked+span {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, .08)
}

.gif-settings-grid-wide {
    grid-template-columns: repeat(3, minmax(0, 1fr))
}

.gif-inline-control {
    display: flex;
    align-items: center;
    min-height: 46px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fff;
    overflow: hidden
}

.gif-inline-control input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    border: 0;
    padding: 9px 12px;
    background: transparent;
    font: inherit
}

.gif-inline-control em {
    padding: 0 12px;
    color: var(--text-muted);
    font-size: .82rem;
    font-style: normal;
    white-space: nowrap
}

.gif-setting-note {
    padding: 12px 14px;
    border-radius: 12px;
    background: #f3f7f6;
    color: #475569;
    font-size: .82rem;
    line-height: 1.55
}

.gif-live-preview canvas {
    display: block;
    max-width: 100%;
    max-height: 440px;
    object-fit: contain
}

.gif-live-preview canvas[hidden] {
    display: none
}

@media(max-width:860px) {
    .gif-settings-grid-wide {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }
}

@media(max-width:620px) {
    .gif-choice-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

    .gif-settings-grid-wide {
        grid-template-columns: 1fr
    }

    .gif-choice-grid span {
        min-height: 60px
    }

    .gif-live-preview canvas {
        max-height: 340px
    }
}

/* GIF 효과 선택 */
.gif-effect-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr))
}

.gif-effect-grid span {
    min-height: 72px
}

.gif-inline-control input[type=range] {
    padding: 0 12px;
    accent-color: var(--primary)
}

@media(max-width:860px) {
    .gif-effect-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }
}

@media(max-width:420px) {
    .gif-effect-grid {
        grid-template-columns: 1fr 1fr
    }

    .gif-effect-grid span {
        min-height: 66px;
        padding: 8px 6px;
        font-size: .82rem
    }
}

/* QR·바코드 생성기 */
.code-mode-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0 28px;
}

.code-mode-tab,
.qr-type-button {
    min-height: 48px;
    border: 1px solid #d8e2e8;
    border-radius: 14px;
    background: #fff;
    color: #425466;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.code-mode-tab.is-active,
.qr-type-button.is-active {
    border-color: #0f766e;
    background: #ecfdf8;
    color: #0f766e;
    box-shadow: inset 0 0 0 1px #0f766e;
}

.code-option-section[hidden],
.qr-field[hidden],
.code-result[hidden] {
    display: none;
}

.qr-type-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    margin: 18px 0;
}

.code-fields {
    display: grid;
    gap: 14px;
}

.qr-email-fields,
.qr-wifi-fields,
.code-setting-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.qr-email-fields .field-group:last-child {
    grid-column: 1 / -1;
}

.code-setting-grid {
    margin-top: 18px;
}

.code-actions,
.code-download-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.code-actions .button,
.code-download-row .button {
    min-width: 160px;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.code-result {
    margin-top: 24px;
    padding: 22px;
    border: 1px solid #dbe5ea;
    border-radius: 18px;
    background: #f8fbfc;
}

.code-preview-card {
    display: grid;
    justify-items: center;
    gap: 14px;
}

.code-preview {
    display: grid;
    place-items: center;
    max-width: 100%;
    padding: 16px;
    border: 1px solid #d8e2e8;
    border-radius: 16px;
    background: #fff;
    overflow: auto;
}

.code-preview canvas {
    display: block;
    max-width: min(100%, 520px);
    height: auto;
}

.code-preview-card p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
}

.field-help {
    margin: 12px 0 0;
    color: #64748b;
    font-size: 13px;
    line-height: 1.65;
}

.check-option {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid #d8e2e8;
    border-radius: 12px;
    background: #fff;
}

.menu-utility-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 13px;
    border-radius: 10px;
    color: #334155;
    font-weight: 700;
    white-space: nowrap;
}

.menu-utility-link:hover,
.menu-utility-link:focus-visible {
    background: #eef8f6;
    color: #0f766e;
}

@media (max-width: 1023px) {
    .menu-utility-link {
        width: 100%;
        min-height: 50px;
        padding: 0 18px;
        border-bottom: 1px solid #edf1f3;
        border-radius: 0;
    }
}

@media (max-width: 640px) {
    .qr-type-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .qr-email-fields,
    .qr-wifi-fields {
        grid-template-columns: 1fr;
    }

    .code-setting-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 10px;
    }

    .code-setting-grid .field-group {
        min-width: 0;
    }

    .code-setting-grid select,
    .code-setting-grid input {
        width: 100%;
        min-width: 0;
    }

    .code-setting-grid input[type="color"] {
        height: 46px;
        padding: 4px;
    }

    .qr-email-fields .field-group:last-child {
        grid-column: auto;
    }

    .code-actions,
    .code-download-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .code-actions .button,
    .code-download-row .button {
        width: 100%;
        min-width: 0;
    }

    .code-result {
        padding: 15px;
    }

    .code-preview {
        width: 100%;
        padding: 10px;
    }
}

/* 전체 UI·모바일 안정화 1차. */
html {
    scroll-padding-top: 82px;
}

html,
body {
    max-width: 100%;
    overflow-x: clip;
}

img,
canvas,
svg,
video {
    max-width: 100%;
}

button,
input,
select,
textarea {
    max-width: 100%;
}

button,
.button,
.result-download,
.menu-group-button,
.menu-utility-link,
.menu-all-tools {
    -webkit-tap-highlight-color: transparent;
}

.button,
.result-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.2;
}

.site-header,
.header-inner,
.site-menu,
.menu-dropdown {
    isolation: isolate;
}

.menu-link-grid a.is-current,
.menu-category a.is-current,
.menu-utility-link.is-current {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 800;
}

.menu-group.has-current>.menu-group-button {
    color: var(--primary);
}

.tool-panel,
.content-card,
.sidebar-card,
.result-card,
.tool-card {
    min-width: 0;
}

.tool-panel input:not([type="radio"]):not([type="checkbox"]):not([type="range"]):not([type="color"]),
.tool-panel select,
.tool-panel textarea {
    width: 100%;
    min-width: 0;
}

.result-info,
.result-info strong,
.result-info span,
.tool-card>strong,
.tool-card>span,
.sidebar-card,
.content-card {
    overflow-wrap: anywhere;
}

@media (min-width: 1024px) {

    .menu-button,
    .menu-backdrop {
        display: none;
    }

    .site-menu {
        position: static;
        z-index: auto;
        width: auto;
        height: auto;
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 0;
        overflow: visible;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .menu-group {
        position: relative;
        border: 0;
    }

    .menu-group-button,
    .menu-utility-link,
    .menu-all-tools {
        width: auto;
        min-height: 42px;
        padding: 0 13px;
        border-radius: 11px;
    }

    .menu-group-button:hover,
    .menu-utility-link:hover,
    .menu-all-tools:hover,
    .menu-group.is-open>.menu-group-button,
    .menu-group.has-current>.menu-group-button,
    .menu-utility-link.is-current {
        background: var(--primary-soft);
        color: var(--primary-dark);
    }

    .menu-dropdown {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        z-index: 100;
        padding: 18px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: #fff;
        box-shadow: 0 22px 55px rgba(15, 23, 42, .15);
    }

    .menu-dropdown::before {
        content: "";
        position: absolute;
        top: -11px;
        left: 0;
        right: 0;
        height: 12px;
    }

    .menu-group.is-open .menu-dropdown {
        display: block;
    }

    .menu-dropdown-image {
        width: min(640px, calc(100vw - 48px));
    }

    .menu-dropdown-pdf {
        left: auto;
        right: 0;
        width: min(720px, calc(100vw - 48px));
    }

    .menu-dropdown-head {
        display: grid;
        gap: 3px;
        margin-bottom: 12px;
        padding: 0 6px 12px;
        border-bottom: 1px solid var(--line);
    }

    .menu-dropdown-head small {
        color: var(--muted);
        font-size: .76rem;
    }

    .menu-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px 8px;
    }

    .menu-category-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
    }

    .menu-category h2 {
        margin-top: 4px;
    }

    .tool-layout {
        grid-template-columns: minmax(0, 1fr) 290px;
    }

    .tool-title-row {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
    }
}

@media (max-width: 1023px) {
    .site-header {
        min-height: 66px;
    }

    .header-inner {
        position: static;
    }

    .menu-button {
        position: fixed;
        top: max(10px, env(safe-area-inset-top));
        right: max(16px, env(safe-area-inset-right));
    }

    .site-menu {
        display: block;
        visibility: hidden;
        transform: translate3d(104%, 0, 0);
        transition: transform .24s ease, visibility 0s linear .24s;
        overscroll-behavior: contain;
    }

    .site-menu.is-open {
        visibility: visible;
        transform: translate3d(0, 0, 0);
        transition: transform .24s ease;
    }

    .menu-backdrop {
        display: block;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease, visibility 0s linear .2s;
    }

    body.menu-open .menu-backdrop {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transition: opacity .2s ease;
    }

    .menu-utility-link,
    .menu-all-tools {
        display: flex;
        align-items: center;
        min-height: 54px;
        padding: 0 4px;
        border-bottom: 1px solid var(--line);
        font-weight: 750;
        white-space: nowrap;
    }

    .menu-link-grid a,
    .menu-category a {
        white-space: normal;
        line-height: 1.35;
    }

    .menu-category-grid {
        gap: 2px;
    }
}

@media (max-width: 767px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .home-hero {
        padding-top: 42px;
        padding-bottom: 48px;
    }

    .hero-content h1,
    .home-hero h1 {
        font-size: clamp(2rem, 10vw, 3rem);
        line-height: 1.16;
    }

    .hero-copy {
        font-size: .96rem;
        line-height: 1.7;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .hero-actions .button {
        width: 100%;
        min-height: 50px;
    }

    .trust-list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .section {
        padding: 48px 0;
    }

    .heading-row {
        display: grid;
        gap: 12px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        min-height: 218px;
        padding: 20px;
    }

    .tool-status {
        top: 16px;
        right: 16px;
    }

    .tool-page-head {
        padding: 26px 0 24px;
    }

    .breadcrumb {
        margin-bottom: 18px;
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }

    .breadcrumb::-webkit-scrollbar {
        display: none;
    }

    .tool-title-row h1 {
        font-size: clamp(1.85rem, 9vw, 2.7rem);
    }

    .tool-security-badge {
        width: 100%;
    }

    .tool-workspace-section {
        padding-top: 16px;
    }

    .tool-panel,
    .content-card,
    .sidebar-card {
        border-radius: 16px;
    }

    .tool-panel,
    .content-card {
        padding: 16px;
    }

    .ad-placeholder {
        min-height: 70px;
    }

    .result-card {
        grid-template-columns: 58px minmax(0, 1fr);
        padding: 11px;
    }

    .result-preview {
        width: 58px;
        height: 58px;
    }

    .result-download {
        width: 100%;
        min-height: 46px;
    }

    .privacy-panel {
        padding: 24px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-menu {
        display: none;
    }

    .footer-brand {
        text-align: center;
    }

    /* 모바일 푸터 정책 위치. */
    .footer-grid {
        padding-bottom: 18px;
    }

    .footer-policy {
        width: min(100% - 32px, 1180px);
        gap: 5px 18px;
        margin-top: 0;
        padding: 13px 0;
    }

    .footer-policy a {
        font-size: 0.75rem;
    }

    .footer-bottom {
        padding-top: 17px;
    }

    .footer-brand .brand {
        justify-content: center;
    }

    .footer-brand p {
        max-width: 34rem;
        margin-right: auto;
        margin-left: auto;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 380px) {
    .container {
        width: min(100% - 22px, 1180px);
    }

    .brand {
        gap: 8px;
        font-size: 1.08rem;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
    }

    .menu-button {
        right: 11px;
        width: 44px;
        height: 44px;
    }

    .site-menu {
        width: 100%;
        padding-inline: 14px;
    }

    .tool-card {
        padding: 18px;
    }

    .tool-card-icon {
        width: 50px;
        height: 50px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .site-menu,
    .menu-backdrop,
    .tool-card,
    .button {
        transition: none;
    }
}

.admin-ad-slot {
    margin-top: 20px;
    margin-bottom: 20px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden
}


.visual-card-main {
    cursor: pointer;
    user-select: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.visual-card-main:hover,
.visual-card-main:focus-visible,
.visual-card-main.is-dragging {
    border-color: var(--primary);
    box-shadow: 0 22px 52px rgba(15, 118, 110, 0.18);
    outline: none;
    transform: rotate(0) translateY(-3px);
}

.visual-card-main.is-dragging {
    background: #f0fdfa;
}

.visual-card-main.is-loading {
    pointer-events: none;
    opacity: 0.82;
}

.visual-upload-status {
    min-height: 20px;
    color: var(--muted);
    font-size: 0.78rem;
}

.visual-upload-status.is-error {
    color: #b42318;
}

.visual-card-main.is-loading .visual-progress i {
    width: 100%;
    animation: home-upload-progress 0.8s ease-in-out infinite alternate;
}

@keyframes home-upload-progress {
    from {
        transform: translateX(-35%);
    }

    to {
        transform: translateX(35%);
    }
}

/* GIF 크기 변경. */
.gif-resize-editor {
    display: grid;
    gap: 28px;
    margin-top: 30px;
}

.gif-resize-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.gif-resize-preview-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--line, #dfe7e7);
    border-radius: 20px;
    background: #fff;
}

.gif-resize-preview {
    min-height: 250px;
    margin-top: 14px;
    overflow: hidden;
    border-radius: 16px;
}

.gif-resize-preview img {
    display: block;
    max-width: 100%;
    max-height: 360px;
    object-fit: contain;
}

.gif-resize-size-visual {
    display: grid;
    place-items: center;
    width: min(100%, 360px);
    min-height: 180px;
    max-height: 360px;
    margin: 14px auto 0;
    border: 2px dashed #b9cccc;
    border-radius: 16px;
    background: linear-gradient(135deg, #f8fbfb, #edf7f5);
    color: #176f68;
    font-weight: 800;
}

.gif-resize-preset-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gif-resize-preset-grid button {
    display: grid;
    gap: 4px;
    min-height: 76px;
    padding: 14px 12px;
    border: 1px solid #dce6e6;
    border-radius: 16px;
    background: #fff;
    color: #17212b;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.gif-resize-preset-grid button small {
    color: #7b8792;
    font-size: 12px;
    font-weight: 500;
}

.gif-resize-preset-grid button:hover,
.gif-resize-preset-grid button.is-active {
    border-color: #2f8179;
    background: #ecf8f6;
    color: #176f68;
}

.gif-resize-lock-label {
    align-content: end;
}

.gif-resize-lock {
    width: 100%;
    min-height: 48px;
}

.gif-resize-lock.is-active {
    border-color: #2f8179;
    background: #ecf8f6;
    color: #176f68;
}

.gif-resize-note {
    margin: 0;
}

@media (max-width: 720px) {
    .gif-resize-preview-grid {
        grid-template-columns: 1fr;
    }

    .gif-resize-preview {
        min-height: 200px;
    }

    .gif-resize-preset-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gif-resize-editor .tool-action-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 360px) {
    .gif-resize-preset-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .gif-resize-preset-grid button {
        min-height: 68px;
        padding: 10px 8px;
    }
}

/* GIF 크기 변경 설정 구분. */
.gif-resize-settings-panel {
    display: grid;
    gap: 18px;
    padding: 22px;
    border: 1px solid #dbe9e7;
    border-radius: 20px;
    background: #f3f8f7;
}

.gif-resize-settings-panel .gif-option-section,
.gif-resize-settings-panel .gif-resize-setting-grid>label {
    padding: 16px;
    border: 1px solid #e0ebe9;
    border-radius: 15px;
    background: #fbfdfd;
}

.gif-resize-settings-panel .gif-resize-setting-grid {
    gap: 12px;
}

.gif-resize-settings-panel .gif-resize-preset-grid button,
.gif-resize-settings-panel .gif-inline-control,
.gif-resize-settings-panel select,
.gif-resize-settings-panel .gif-resize-lock {
    background: #fff;
}

.gif-resize-settings-panel .gif-inline-control {
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.gif-resize-settings-panel .gif-inline-control input {
    box-sizing: border-box;
    outline: 0;
    border-radius: 11px 0 0 11px;
}

.gif-resize-settings-panel .gif-inline-control:focus-within {
    border-color: #b98a2e;
    background: #fffefa;
    box-shadow: 0 0 0 3px rgba(185, 138, 46, .16);
}

.gif-resize-settings-panel .gif-inline-control em {
    align-self: stretch;
    display: inline-flex;
    align-items: center;
    border-left: 1px solid #edf1ef;
    border-radius: 0 11px 11px 0;
    background: #f7faf9;
}

.gif-resize-settings-panel .gif-resize-note {
    border: 1px solid #d9e8e5;
    background: #eaf5f3;
}

@media (max-width: 620px) {
    .gif-resize-settings-panel {
        gap: 14px;
        padding: 15px;
        border-radius: 17px;
    }

    .gif-resize-settings-panel .gif-option-section,
    .gif-resize-settings-panel .gif-resize-setting-grid>label {
        padding: 13px;
        border-radius: 13px;
    }

    .gif-resize-settings-panel .gif-inline-control {
        min-width: 0;
    }
}

/* 운영 정책 페이지. */
.legal-page-head {
    padding: 52px 0 44px;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(circle at 86% 12%, rgba(15, 118, 110, 0.1), transparent 28%),
        linear-gradient(180deg, #fff 0%, #f4f9f8 100%);
}

.legal-page-head-inner {
    max-width: 900px;
}

.legal-page-head h1 {
    margin-bottom: 14px;
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    line-height: 1.15;
    letter-spacing: -0.055em;
}

.legal-page-head-inner>p:not(.section-kicker) {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--muted);
}

.legal-updated {
    display: inline-flex;
    margin-top: 20px;
    padding: 7px 11px;
    border-radius: 99px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.76rem;
    font-weight: 700;
}

.legal-content-section {
    padding-top: 36px;
}

.legal-layout {
    max-width: 900px;
}

.legal-content-card {
    padding: clamp(22px, 5vw, 42px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.legal-section+.legal-section {
    margin-top: 34px;
    padding-top: 34px;
    border-top: 1px solid var(--line);
}

.legal-section h2 {
    margin-bottom: 14px;
    font-size: 1.15rem;
    letter-spacing: -0.025em;
}

.legal-section p {
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 0.94rem;
}

.legal-section p:last-child {
    margin-bottom: 0;
}

/* 문의 페이지. */
.contact-section {
    padding-top: 36px;
}

.contact-layout {
    display: grid;
    gap: 20px;
    max-width: 980px;
}

.contact-guide {
    display: grid;
    gap: 12px;
}

.contact-guide section {
    padding: 18px;
    border: 1px solid #dbe9e7;
    border-radius: 16px;
    background: #f2f8f7;
}

.contact-guide strong {
    color: var(--primary-dark);
}

.contact-guide p {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.contact-form {
    position: relative;
    display: grid;
    gap: 17px;
    padding: clamp(20px, 5vw, 34px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.contact-field-grid {
    display: grid;
    gap: 17px;
}

.contact-form label {
    display: grid;
    gap: 7px;
}

.contact-form label>span {
    font-size: 0.84rem;
    font-weight: 750;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: #fbfdfd;
    color: var(--text);
    font: inherit;
}

.contact-form input,
.contact-form select {
    min-height: 50px;
    padding: 0 14px;
}

.contact-form textarea {
    min-height: 210px;
    padding: 13px 14px;
    line-height: 1.65;
    resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: 0;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.contact-honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.contact-errors {
    padding: 15px;
    border: 1px solid #f0c7c2;
    border-radius: 13px;
    background: #fff4f2;
    color: var(--danger);
}

.contact-errors strong {
    display: block;
    margin-bottom: 6px;
}

.contact-errors ul {
    margin: 0;
    padding-left: 20px;
    font-size: 0.82rem;
}

.contact-privacy-notice {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
}

.contact-privacy-notice a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.contact-submit {
    width: 100%;
}

.contact-complete-section {
    min-height: 65vh;
    display: grid;
    align-items: center;
}

.contact-complete-card {
    max-width: 640px;
    margin: 0 auto;
    padding: clamp(30px, 7vw, 54px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-complete-icon {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    margin: 0 auto 22px;
    border-radius: 22px;
    background: var(--primary-soft);
    color: var(--primary);
}

.contact-complete-icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 2.4;
}

.contact-complete-card h1 {
    margin-bottom: 13px;
    font-size: clamp(1.8rem, 7vw, 2.7rem);
    letter-spacing: -0.05em;
}

.contact-complete-card>p:not(.section-kicker) {
    color: var(--muted);
}

.contact-complete-actions {
    display: grid;
    gap: 10px;
    margin-top: 27px;
}

/* 푸터 상단 정책 링크. */
.footer-policy-wrap {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.footer-policy {
    min-height: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 24px;
    padding: 12px 0;
    text-align: center;
}

.footer-policy a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.3;
    white-space: nowrap;
}

.footer-policy a:hover {
    color: var(--primary);
}

@media (min-width: 700px) {
    .contact-field-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .contact-complete-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 900px) {
    .contact-layout {
        grid-template-columns: 260px minmax(0, 1fr);
        align-items: start;
    }

    .contact-guide {
        position: sticky;
        top: 96px;
    }
}

@media (max-width: 599px) {
    .legal-page-head {
        padding: 36px 0 32px;
    }

    .legal-content-section,
    .contact-section {
        padding-top: 22px;
    }

    .footer-policy a {
        font-size: 0.75rem;
    }
}

/* 모바일 푸터 간격. */
@media (max-width: 767px) {
    .footer-policy {
        min-height: 0;
        gap: 4px 17px;
        padding: 12px 0;
    }

    .footer-policy a {
        font-size: 0.75rem;
    }

    .footer-grid {
        padding: 28px 0 22px;
    }

    .footer-bottom {
        padding: 17px 0 24px;
    }
}

/* 숨김 요소 표시 차단. */
[hidden] {
    display: none !important;
}

/* PWA 설치 버튼. */
.pwa-install-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 13px;
    border: 1px solid #d7e2ff;
    border-radius: 11px;
    background: #eef4ff;
    color: #2459d8;
    font: inherit;
    font-size: 0.82rem;
    cursor: pointer;
}

.pwa-install-button:hover {
    border-color: #b9ccff;
    background: #e3edff;
}

.pwa-install-button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

/* 네트워크 상태 알림. */
.network-status {
    position: fixed;
    top: max(12px, env(safe-area-inset-top));
    left: 50%;
    z-index: 1200;
    max-width: calc(100% - 32px);
    padding: 10px 15px;
    border-radius: 12px;
    background: #202938;
    color: #fff;
    font-size: 0.82rem;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.22);
    transform: translateX(-50%);
}

.network-status.is-online {
    background: #087f5b;
}

/* PWA 설치 안내. */
.pwa-dialog-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.58);
}

.pwa-dialog {
    position: relative;
    width: min(100%, 420px);
    padding: 30px;
    border-radius: 22px;
    background: #fff;
    text-align: center;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
}

.pwa-dialog img {
    border-radius: 18px;
}

.pwa-dialog h2 {
    margin: 17px 0 9px;
    font-size: 1.35rem;
    letter-spacing: -0.04em;
}

.pwa-dialog p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.65;
}

.pwa-dialog-close {
    position: absolute;
    top: 12px;
    right: 13px;
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    color: #64748b;
    font-size: 1.7rem;
    line-height: 1;
    cursor: pointer;
}

.pwa-dialog-action {
    width: 100%;
    margin-top: 22px;
}

.pwa-ios-steps {
    margin: 18px 0 0;
    padding: 16px 16px 16px 36px;
    border-radius: 14px;
    background: #f5f7fb;
    color: #334155;
    text-align: left;
    font-size: 0.84rem;
    line-height: 1.7;
}

/* 새 버전 알림. */
.pwa-update-toast {
    position: fixed;
    right: 18px;
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 1250;
    width: min(430px, calc(100% - 36px));
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 13px;
    padding: 15px;
    border: 1px solid #dce5f5;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 18px 55px rgba(15, 23, 42, 0.2);
}

.pwa-update-toast div {
    min-width: 0;
}

.pwa-update-toast strong,
.pwa-update-toast span {
    display: block;
}

.pwa-update-toast strong {
    color: #172033;
    font-size: 0.86rem;
}

.pwa-update-toast span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.75rem;
}

.pwa-update-toast > button:not(.pwa-update-close) {
    min-height: 36px;
    padding: 0 12px;
    border: 0;
    border-radius: 10px;
    background: #2465f5;
    color: #fff;
    font: inherit;
    font-size: 0.78rem;
    cursor: pointer;
}

.pwa-update-close {
    width: 30px;
    height: 30px;
    border: 0;
    background: transparent;
    color: #64748b;
    font-size: 1.35rem;
    cursor: pointer;
}

@media (max-width: 767px) {
    .pwa-install-button {
        order: 2;
        min-width: 38px;
        padding: 0 9px;
    }

    .pwa-install-button span {
        display: none;
    }

    .pwa-update-toast {
        right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom));
        width: calc(100% - 24px);
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .pwa-update-close {
        position: absolute;
        top: 5px;
        right: 5px;
    }
}

.maintenance-page{min-height:70vh;display:grid;place-items:center;padding:48px 0}.maintenance-card{max-width:620px;margin:auto;padding:48px 28px;border:1px solid #dce8e6;border-radius:24px;background:#fff;text-align:center;box-shadow:0 18px 50px rgba(20,64,59,.08)}.maintenance-icon{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 20px;border-radius:20px;background:#e6f5f3;color:#0f766e;font-size:36px}.maintenance-card h1{margin:0 0 14px}.maintenance-card p{margin:0 0 14px;color:#496461;line-height:1.8}.maintenance-card small{color:#78908d}


/* 공개 화면 접근성 보완. */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.34);
    outline-offset: 3px;
}

button:disabled,
.button[aria-disabled="true"] {
    cursor: wait;
    opacity: 0.62;
}

.contact-errors:focus {
    outline: 3px solid rgba(180, 35, 24, 0.22);
    outline-offset: 3px;
}

.field-counter {
    float: right;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 500;
}

.contact-form [aria-describedby="contact-error-summary"]:invalid {
    border-color: #d9948d;
    background: #fffafa;
}

.empty-state .button {
    width: fit-content;
    margin-top: 8px;
}

@media (max-width: 599px) {
    .contact-form input,
    .contact-form select {
        min-height: 52px;
        font-size: 16px;
    }

    .contact-form textarea {
        font-size: 16px;
    }

    .contact-errors {
        scroll-margin-top: 86px;
    }
}

/* 파일 검사 상태. */
.drop-zone.is-validating,
.logo-file-button.is-validating,
.signature-image-picker.is-validating {
    pointer-events: none;
    opacity: 0.72;
}

.drop-zone.is-validating::after {
    content: "파일 확인 중";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: #e6f5f3;
    color: #0f766e;
    font-size: 0.78rem;
    font-weight: 700;
}