:root {
    --bg-top: #eef4ff;
    --bg-mid: #e3f2ff;
    --bg-bottom: #f8fbff;
    --bg-admin-top: #edf5ff;
    --bg-admin-bottom: #f7fbff;
    --surface: rgba(255, 255, 255, 0.62);
    --surface-strong: rgba(255, 255, 255, 0.82);
    --surface-soft: rgba(255, 255, 255, 0.48);
    --surface-border: rgba(255, 255, 255, 0.78);
    --line-soft: rgba(148, 163, 184, 0.18);
    --line-strong: rgba(255, 255, 255, 0.92);
    --text-main: #0f172a;
    --text-soft: #475569;
    --text-muted: #64748b;
    --accent: #0a84ff;
    --accent-cyan: #5ac8fa;
    --accent-green: #34c759;
    --accent-warm: #ff9f0a;
    --danger: #ff3b30;
    --warning: #ff9f0a;
    --success: #30d158;
    --shadow-lg: 0 30px 80px rgba(15, 23, 42, 0.14);
    --shadow-md: 0 18px 42px rgba(15, 23, 42, 0.1);
    --shadow-sm: 0 12px 28px rgba(15, 23, 42, 0.08);
    --radius-2xl: 36px;
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --container: 1240px;
    --blur: blur(28px);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    position: relative;
    overflow-x: hidden;
    color: var(--text-main);
    font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
    background:
        radial-gradient(circle at 0% 0%, rgba(90, 200, 250, 0.32), transparent 22%),
        radial-gradient(circle at 100% 10%, rgba(10, 132, 255, 0.18), transparent 28%),
        radial-gradient(circle at 50% 100%, rgba(52, 199, 89, 0.16), transparent 30%),
        linear-gradient(180deg, var(--bg-top), var(--bg-mid) 45%, var(--bg-bottom));
}

body.theme-admin {
    background:
        radial-gradient(circle at 0% 0%, rgba(90, 200, 250, 0.28), transparent 24%),
        radial-gradient(circle at 100% 12%, rgba(10, 132, 255, 0.16), transparent 28%),
        radial-gradient(circle at 50% 100%, rgba(255, 159, 10, 0.12), transparent 34%),
        linear-gradient(180deg, var(--bg-admin-top), #edf7ff 44%, var(--bg-admin-bottom));
}

body.is-modal-open {
    overflow: hidden;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
}

body::before {
    background:
        radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.78), transparent 24%),
        radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.48), transparent 18%),
        radial-gradient(circle at 50% 65%, rgba(255, 255, 255, 0.24), transparent 28%);
    opacity: 0.72;
}

body::after {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
    background-size: 160px 160px;
    mask-image: radial-gradient(circle at center, #000 35%, transparent 82%);
    opacity: 0.12;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

.page-shell {
    position: relative;
    min-height: 100vh;
    padding: 24px 0 72px;
}

.page-shell > * {
    position: relative;
    z-index: 1;
}

.bg-orb {
    position: fixed;
    border-radius: 999px;
    filter: blur(26px);
    opacity: 0.8;
    pointer-events: none;
    animation: floatOrb 14s ease-in-out infinite;
}

.orb-a {
    top: 68px;
    left: -72px;
    width: 240px;
    height: 240px;
    background: linear-gradient(180deg, rgba(90, 200, 250, 0.48), rgba(10, 132, 255, 0.12));
}

.orb-b {
    top: 180px;
    right: -88px;
    width: 280px;
    height: 280px;
    background: linear-gradient(180deg, rgba(52, 199, 89, 0.16), rgba(10, 132, 255, 0.28));
    animation-delay: -4s;
}

.orb-c {
    bottom: 80px;
    left: 18%;
    width: 220px;
    height: 220px;
    background: linear-gradient(180deg, rgba(255, 159, 10, 0.18), rgba(255, 255, 255, 0.28));
    animation-delay: -8s;
}

.glass-card,
.site-header,
.admin-header-inner {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--surface-border);
    background: linear-gradient(180deg, var(--surface-strong), var(--surface));
    box-shadow: var(--shadow-lg);
    backdrop-filter: var(--blur) saturate(135%);
    -webkit-backdrop-filter: var(--blur) saturate(135%);
}

.glass-card::before,
.site-header::before,
.admin-header-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.12) 48%, rgba(255, 255, 255, 0));
    opacity: 0.74;
    pointer-events: none;
}

.site-header,
.hero-panel,
.upload-panel,
.info-strip .glass-card,
.admin-header-inner,
.stat-card,
.admin-gallery-section .glass-card,
.settings-summary,
.login-card {
    animation: riseIn 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 20px;
    margin-bottom: 28px;
    border-radius: 32px;
}

.brand-block,
.admin-brand,
.header-actions,
.admin-user-block,
.gallery-controls,
.link-format-switch,
.setting-chips,
.links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand-block {
    gap: 16px;
}

.brand-logo,
.brand-logo-lg,
.admin-brand-icon,
.stat-icon,
.upload-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-logo,
.brand-logo-lg,
.admin-brand-icon {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan) 72%, rgba(255, 255, 255, 0.78));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.35),
        0 16px 36px rgba(10, 132, 255, 0.24);
}

.brand-logo {
    width: 60px;
    height: 60px;
    border-radius: 22px;
    font-size: 28px;
}

.brand-logo-lg {
    width: 88px;
    height: 88px;
    border-radius: 30px;
    font-size: 42px;
    margin: 0 auto 18px;
}

.brand-title {
    margin: 0;
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1;
    letter-spacing: -0.06em;
}

.brand-subtitle,
.login-brand p,
.section-heading p,
.hero-copy p,
.upload-status-note,
.rule-list,
.empty-state p,
.meta-card span,
.stat-label,
.setting-chip,
.login-back a,
.gallery-title + p,
.gallery-meta,
.checkbox-row {
    color: var(--text-soft);
}

.brand-subtitle {
    margin: 6px 0 0;
    font-size: 14px;
}

.btn,
.copy-btn,
.pagination-btn,
.format-chip,
.setting-chip,
.user-badge {
    border-radius: 999px;
}

.btn,
.copy-btn,
.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid var(--line-strong);
    font-weight: 700;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
    box-shadow: var(--shadow-sm);
}

.btn:hover,
.copy-btn:hover,
.pagination-btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan) 78%);
    box-shadow: 0 20px 36px rgba(10, 132, 255, 0.28);
}

.btn-ghost,
.copy-btn,
.pagination-btn,
.btn-danger-ghost {
    color: var(--text-main);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.62));
}

.btn-danger-ghost {
    color: #b42318;
    border-color: rgba(255, 59, 48, 0.18);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 226, 224, 0.78));
}

.btn-full {
    width: 100%;
}

.btn-sm {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 24px;
    align-items: stretch;
}

.admin-gallery-section,
.settings-summary-section {
    margin-top: 24px;
}

.hero-panel,
.upload-panel,
.settings-summary,
.login-card,
.stat-card,
.info-card-grid > div,
.admin-gallery-section .glass-card {
    padding: 32px;
    border-radius: var(--radius-2xl);
}

.hero-panel,
.upload-panel,
.admin-gallery-section .glass-card,
.stat-card,
.login-card,
.settings-summary {
    border: 1px solid var(--surface-border);
}

.hero-panel::after,
.upload-panel::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.hero-panel::after {
    top: -56px;
    right: -44px;
    width: 240px;
    height: 240px;
    border-radius: 72px;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.85), rgba(90, 200, 250, 0.32), transparent 72%);
    transform: rotate(16deg);
}

.upload-panel::after {
    inset: auto -40px -80px auto;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: radial-gradient(circle at center, rgba(52, 199, 89, 0.16), rgba(10, 132, 255, 0.08), transparent 72%);
}

.hero-copy {
    position: relative;
    z-index: 1;
    max-width: 640px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.hero-copy h2 {
    margin: 14px 0 16px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 0.94;
    letter-spacing: -0.08em;
}

.hero-copy p {
    margin: 0;
    max-width: 560px;
    font-size: 16px;
    line-height: 1.85;
}

.hero-meta-grid,
.stat-card-grid,
.preview-grid,
.admin-gallery-grid,
.info-card-grid {
    display: grid;
    gap: 16px;
}

.hero-meta-grid {
    position: relative;
    z-index: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 28px;
}

.meta-card {
    min-height: 124px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.94);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.58));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.meta-card strong {
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.meta-card-wide {
    grid-column: span 2;
}

.section-heading h3,
.gallery-title,
.settings-summary h4,
.info-card-grid h4,
.login-brand h2 {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.section-heading p {
    margin: 0 0 22px;
    line-height: 1.75;
}

.upload-dropzone {
    position: relative;
    padding: 20px;
    border-radius: 32px;
    border: 1px solid rgba(10, 132, 255, 0.22);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(244, 250, 255, 0.62));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.upload-dropzone::before {
    content: "";
    position: absolute;
    inset: 12px;
    border-radius: 24px;
    border: 1.5px dashed rgba(10, 132, 255, 0.24);
}

.upload-dropzone:hover,
.upload-dropzone.is-dragover {
    transform: translateY(-2px);
    border-color: rgba(10, 132, 255, 0.4);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(232, 246, 255, 0.72));
    box-shadow: 0 28px 50px rgba(10, 132, 255, 0.16);
}

.upload-dropzone-inner {
    position: relative;
    z-index: 1;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
}

.upload-icon {
    width: 92px;
    height: 92px;
    border-radius: 30px;
    font-size: 42px;
    color: var(--accent);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(236, 247, 255, 0.72));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        0 18px 36px rgba(10, 132, 255, 0.14);
}

.upload-dropzone-inner h4 {
    margin: 0;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1;
    letter-spacing: -0.06em;
}

.upload-dropzone-inner p {
    max-width: 480px;
    margin: 0 0 8px;
    color: var(--text-soft);
    line-height: 1.75;
}

.upload-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 18px 0 10px;
    flex-wrap: wrap;
    padding: 12px 14px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.56);
    border: 1px solid rgba(255, 255, 255, 0.86);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.link-format-switch {
    padding: 6px;
    border-radius: 999px;
    background: rgba(236, 242, 251, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.format-chip,
.setting-chip,
.user-badge {
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.42);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64);
}

.format-chip {
    min-height: 40px;
    border: 0;
    color: var(--text-soft);
    background: transparent;
    box-shadow: none;
    font-weight: 700;
}

.format-chip.is-active {
    color: var(--accent);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.7));
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.message-stack {
    display: grid;
    gap: 12px;
    margin: 18px 0;
}

.message {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.message.is-leaving {
    opacity: 0;
    transform: translateY(-6px);
}

.message-success {
    color: #155724;
    border-color: rgba(48, 209, 88, 0.24);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(234, 255, 239, 0.88));
}

.message-error {
    color: #991b1b;
    border-color: rgba(255, 59, 48, 0.24);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 235, 233, 0.88));
}

.message-warning {
    color: #92400e;
    border-color: rgba(255, 159, 10, 0.24);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 245, 230, 0.88));
}

.preview-grid,
.admin-gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.preview-card,
.result-card,
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.86);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.58));
    box-shadow: var(--shadow-md);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    will-change: transform, opacity;
}

.preview-card:hover,
.result-card:hover,
.gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 46px rgba(15, 23, 42, 0.12);
}

.preview-card.is-entering,
.result-card.is-entering,
.gallery-item.is-entering,
.message.is-entering {
    animation: cardIn 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

.preview-media,
.gallery-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    padding: 12px;
    background: linear-gradient(180deg, rgba(223, 237, 255, 0.76), rgba(243, 248, 255, 0.56));
}

.gallery-thumb {
    cursor: zoom-in;
}

.gallery-thumb:focus-visible {
    outline: 3px solid rgba(10, 132, 255, 0.32);
    outline-offset: -3px;
}

.preview-media::before,
.gallery-thumb::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 28%, rgba(255, 255, 255, 0.12));
    pointer-events: none;
}

.preview-media img,
.preview-media video,
.gallery-thumb img,
.gallery-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 22px;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
}

.preview-media video,
.gallery-thumb.is-video video {
    background: #0f172a;
}

.media-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(255, 255, 255, 0.94);
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.preview-body,
.result-body,
.gallery-body {
    display: grid;
    gap: 12px;
    padding: 18px;
}

.preview-title,
.gallery-title-sm {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.gallery-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 13px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.18);
}

.progress-bar > span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent), var(--accent-cyan) 55%, var(--accent-green));
}

.result-list,
.result-links {
    display: grid;
    gap: 14px;
}

.result-link-box,
.search-bar {
    display: grid;
    gap: 10px;
}

.result-link-box {
    grid-template-columns: 1fr auto;
}

.search-bar {
    width: min(100%, 460px);
    grid-template-columns: 1fr auto;
}

.result-link-box input,
.search-input,
.form-group input {
    width: 100%;
    min-height: 50px;
    padding: 0 16px;
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: 18px;
    outline: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.68));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.92);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.result-link-box input:focus,
.search-input:focus,
.form-group input:focus {
    border-color: rgba(10, 132, 255, 0.34);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.94),
        0 0 0 4px rgba(10, 132, 255, 0.08);
}

.result-link-box input::placeholder,
.search-input::placeholder,
.form-group input::placeholder {
    color: rgba(100, 116, 139, 0.78);
}

.info-strip {
    margin-top: 28px;
}

.info-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 12px;
}

.info-card-grid > div {
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.32));
}

.rule-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
    line-height: 1.7;
}

.rule-list li {
    position: relative;
    padding-left: 18px;
}

.rule-list li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-green));
}

.admin-header {
    position: sticky;
    top: 18px;
    z-index: 12;
    margin-bottom: 28px;
}

.admin-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 32px;
}

.admin-brand {
    gap: 14px;
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -0.03em;
}

.admin-brand-icon {
    width: 48px;
    height: 48px;
    border-radius: 18px;
    font-size: 24px;
}

.user-badge,
.setting-chip {
    color: var(--text-soft);
    font-weight: 700;
}

.stat-card-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 18px;
}

.stat-icon {
    width: 62px;
    height: 62px;
    border-radius: 22px;
    color: #fff;
    font-size: 28px;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan) 72%, rgba(255, 255, 255, 0.9));
    box-shadow: 0 18px 32px rgba(10, 132, 255, 0.24);
}

.stat-value {
    font-size: clamp(28px, 4vw, 38px);
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.gallery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.gallery-item {
    display: flex;
    flex-direction: column;
}

.admin-gallery-grid.waterfall-grid {
    display: block;
    columns: 3 280px;
    column-gap: 16px;
}

.admin-gallery-grid.waterfall-grid .gallery-item {
    width: 100%;
    display: inline-flex;
    margin: 0 0 16px;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
}

.admin-gallery-grid.waterfall-grid .loading-state {
    break-inside: avoid;
    display: block;
    margin: 0 auto;
    padding: 28px 0;
    text-align: center;
}

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

.pagination-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.waterfall-footer {
    min-height: 52px;
    align-items: center;
}

.waterfall-state {
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.62);
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.waterfall-state-loading {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.waterfall-state.is-error {
    color: #991b1b;
    border-color: rgba(255, 59, 48, 0.22);
    background: rgba(255, 235, 233, 0.74);
}

.gallery-sentinel {
    height: 2px;
    margin-top: 2px;
}

.pagination-btn.is-active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    box-shadow: 0 18px 32px rgba(10, 132, 255, 0.22);
}

.empty-state,
.loading-state,
.login-brand {
    text-align: center;
}

.empty-state {
    padding: 54px 20px;
}

.empty-icon {
    font-size: 42px;
    margin-bottom: 8px;
}

.spinner {
    width: 34px;
    height: 34px;
    margin: 0 auto 10px;
    border-radius: 999px;
    border: 3px solid rgba(10, 132, 255, 0.14);
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
}

.spinner-xs {
    width: 18px;
    height: 18px;
    margin: 0;
    border-width: 2px;
}

.login-overlay {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: min(100%, 470px);
}

.login-form,
.form-group {
    display: grid;
    gap: 10px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label,
.checkbox-row {
    font-size: 14px;
    font-weight: 700;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.login-back {
    margin-top: 6px;
}

.settings-summary {
    margin-top: 24px;
}

.setting-chips {
    margin-top: 14px;
}

.media-preview-modal {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.media-preview-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.media-preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.46);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.media-preview-panel {
    position: relative;
    width: min(980px, 100%);
    max-height: calc(100vh - 44px);
    padding: 18px;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.7));
    box-shadow: 0 28px 60px rgba(15, 23, 42, 0.26);
    display: grid;
    gap: 14px;
    transform: translateY(8px) scale(0.985);
    transition: transform 0.18s ease;
}

.media-preview-modal.is-open .media-preview-panel {
    transform: translateY(0) scale(1);
}

.media-preview-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    color: var(--text-main);
    font-size: 24px;
    line-height: 1;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: var(--shadow-sm);
}

.media-preview-content {
    width: 100%;
    max-height: calc(100vh - 180px);
    border-radius: 20px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-preview-object {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 180px);
}

.media-preview-meta {
    display: grid;
    gap: 6px;
    padding: 0 6px 4px;
}

.media-preview-name {
    font-size: 15px;
    font-weight: 700;
    word-break: break-word;
}

.media-preview-info {
    color: var(--text-soft);
    font-size: 13px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes floatOrb {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(0, -18px, 0) scale(1.03);
    }
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.988);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 1180px) {
    .hero-layout {
        grid-template-columns: 1fr;
    }

    .stat-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .site-header,
    .admin-header-inner,
    .gallery-header,
    .upload-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions,
    .admin-user-block {
        width: 100%;
        justify-content: space-between;
    }

    .hero-panel,
    .upload-panel,
    .settings-summary,
    .login-card,
    .stat-card,
    .admin-gallery-section .glass-card,
    .info-card-grid > div {
        padding: 24px;
    }

    .hero-copy h2 {
        font-size: 48px;
    }

    .hero-meta-grid,
    .info-card-grid,
    .stat-card-grid {
        grid-template-columns: 1fr;
    }

    .meta-card-wide {
        grid-column: auto;
    }

    .search-bar,
    .result-link-box {
        grid-template-columns: 1fr;
    }

    .admin-gallery-grid.waterfall-grid {
        columns: 2 240px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 20px, var(--container));
    }

    .page-shell {
        padding-top: 18px;
        padding-bottom: 40px;
    }

    .site-header,
    .admin-header-inner {
        border-radius: 28px;
        padding: 14px 16px;
    }

    .brand-block {
        align-items: flex-start;
    }

    .brand-title {
        font-size: 26px;
    }

    .hero-copy h2 {
        font-size: 40px;
    }

    .upload-dropzone-inner {
        min-height: 260px;
    }

    .upload-dropzone-inner h4 {
        font-size: 30px;
    }

    .preview-grid,
    .admin-gallery-grid {
        grid-template-columns: 1fr;
    }

    .admin-gallery-grid.waterfall-grid {
        columns: 1;
    }

    .gallery-actions,
    .header-actions,
    .admin-user-block {
        flex-direction: column;
        align-items: stretch;
    }

    .btn,
    .copy-btn,
    .pagination-btn {
        width: 100%;
    }

    .media-preview-modal {
        padding: 14px;
    }

    .media-preview-panel {
        padding: 14px;
        border-radius: 20px;
    }

    .media-preview-content,
    .media-preview-object {
        max-height: calc(100vh - 150px);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}