:root {
    --bg-1: #0f172a;
    --bg-2: #1e1b4b;
    --bg-3: #312e81;
    --surface: rgba(255, 255, 255, 0.12);
    --surface-strong: rgba(255, 255, 255, 0.18);
    --surface-border: rgba(255, 255, 255, 0.18);
    --text-main: #f8fafc;
    --text-soft: rgba(248, 250, 252, 0.78);
    --text-dark: #0f172a;
    --primary: #7c3aed;
    --primary-2: #06b6d4;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --container: 1200px;
    --blur: blur(18px);
}

* {
    box-sizing: border-box;
}

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

body {
    font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top left, rgba(124, 58, 237, 0.45), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(6, 182, 212, 0.28), transparent 24%),
        linear-gradient(135deg, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
    overflow-x: hidden;
}

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: 28px 0 60px;
}

.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.45;
    z-index: 0;
    pointer-events: none;
}

.orb-a {
    width: 280px;
    height: 280px;
    background: rgba(124, 58, 237, 0.42);
    top: 60px;
    left: -60px;
}

.orb-b {
    width: 320px;
    height: 320px;
    background: rgba(6, 182, 212, 0.28);
    top: 180px;
    right: -80px;
}

.orb-c {
    width: 240px;
    height: 240px;
    background: rgba(16, 185, 129, 0.22);
    bottom: 80px;
    left: 20%;
}

.glass-card {
    position: relative;
    z-index: 1;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-radius: var(--radius-xl);
}

.site-header,
.hero-layout,
.info-strip,
.stats-section,
.admin-gallery-section,
.settings-summary-section {
    position: relative;
    z-index: 1;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo,
.brand-logo-lg,
.admin-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255,255,255,0.28), rgba(255,255,255,0.08));
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.22);
}

.brand-logo {
    width: 58px;
    height: 58px;
    font-size: 28px;
}

.brand-logo-lg {
    width: 84px;
    height: 84px;
    font-size: 40px;
    margin: 0 auto 16px;
}

.brand-title {
    margin: 0;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.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 {
    color: var(--text-soft);
}

.brand-subtitle {
    margin: 4px 0 0;
    font-size: 14px;
}

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

.btn {
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font-weight: 700;
    transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease, background .18s ease;
}

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

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 12px 28px rgba(124, 58, 237, 0.28);
}

.btn-ghost,
.btn-danger-ghost {
    background: rgba(255,255,255,0.08);
    color: var(--text-main);
    border: 1px solid rgba(255,255,255,0.14);
}

.btn-danger-ghost {
    color: #fecaca;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 10px 14px;
    font-size: 14px;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.hero-panel,
.upload-panel,
.settings-summary,
.login-card,
.stat-card,
.info-card-grid > div,
.admin-gallery-section .glass-card {
    padding: 28px;
}

.hero-copy h2 {
    margin: 10px 0 14px;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.hero-copy p {
    margin: 0;
    line-height: 1.8;
    font-size: 15px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.1);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

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

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

.meta-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 18px;
    min-height: 112px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.meta-card strong {
    font-size: 20px;
    line-height: 1.3;
}

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

.section-heading h3,
.gallery-title,
.settings-summary h4,
.info-card-grid h4 {
    margin: 0 0 8px;
    font-size: 22px;
}

.section-heading p {
    margin: 0 0 20px;
}

.upload-dropzone {
    border-radius: var(--radius-xl);
    border: 2px dashed rgba(255,255,255,0.24);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    padding: 18px;
    transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

.upload-dropzone:hover,
.upload-dropzone.is-dragover {
    border-color: rgba(34, 211, 238, 0.9);
    transform: translateY(-1px);
    background: linear-gradient(180deg, rgba(6,182,212,0.12), rgba(255,255,255,0.05));
}

.upload-dropzone-inner {
    min-height: 280px;
    border-radius: calc(var(--radius-xl) - 8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
}

.upload-icon {
    font-size: 44px;
}

.upload-dropzone-inner h4 {
    margin: 0;
    font-size: 28px;
}

.upload-dropzone-inner p {
    margin: 0 0 10px;
    color: var(--text-soft);
}

.upload-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 18px 0 12px;
    flex-wrap: wrap;
}

.format-chip,
.setting-chip,
.user-badge {
    border-radius: 999px;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.08);
}

.format-chip {
    color: var(--text-main);
}

.format-chip.is-active {
    background: linear-gradient(135deg, rgba(124,58,237,0.92), rgba(6,182,212,0.88));
    border-color: transparent;
}

.message-stack {
    display: grid;
    gap: 10px;
    margin: 16px 0;
}

.message {
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 14px;
    border: 1px solid transparent;
}

.message-success {
    background: rgba(16, 185, 129, 0.16);
    border-color: rgba(16, 185, 129, 0.34);
}

.message-error {
    background: rgba(239, 68, 68, 0.16);
    border-color: rgba(239, 68, 68, 0.34);
}

.message-warning {
    background: rgba(245, 158, 11, 0.16);
    border-color: rgba(245, 158, 11, 0.34);
}

.preview-grid,
.admin-gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.preview-card,
.result-card,
.gallery-item {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    overflow: hidden;
}

.preview-media,
.gallery-thumb {
    aspect-ratio: 16 / 10;
    background: rgba(15,23,42,0.26);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-media img,
.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-body,
.result-body,
.gallery-body {
    padding: 16px;
}

.preview-title,
.gallery-title-sm {
    font-weight: 700;
    font-size: 14px;
    margin: 0 0 8px;
    word-break: break-all;
}

.progress-bar {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    overflow: hidden;
}

.progress-bar > span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border-radius: inherit;
}

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

.result-links {
    display: grid;
    gap: 10px;
}

.result-link-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.result-link-box input,
.search-input,
.form-group input {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.08);
    color: var(--text-main);
    border-radius: 14px;
    padding: 13px 15px;
    outline: none;
}

.result-link-box input::placeholder,
.search-input::placeholder,
.form-group input::placeholder {
    color: rgba(248, 250, 252, 0.45);
}

.copy-btn,
.pagination-btn {
    border-radius: 12px;
    border: 0;
    padding: 0 14px;
    background: rgba(255,255,255,0.12);
    color: var(--text-main);
}

.info-strip {
    margin-top: 24px;
}

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

.rule-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.rule-list li::before {
    content: "•";
    color: #67e8f9;
    margin-right: 8px;
}

.admin-header {
    position: sticky;
    top: 12px;
    z-index: 5;
    margin-bottom: 26px;
}

.admin-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 22px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.28);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(16px);
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
}

.admin-brand-icon {
    width: 42px;
    height: 42px;
    font-size: 22px;
}

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

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: rgba(255,255,255,0.1);
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
}

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

.search-bar {
    width: min(100%, 420px);
}

.search-input {
    min-width: 220px;
}

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

.gallery-body {
    display: grid;
    gap: 10px;
}

.gallery-meta {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: var(--text-soft);
}

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

.pagination-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.pagination-btn.is-active {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

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

.empty-state {
    padding: 36px 20px;
}

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

.spinner {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: #67e8f9;
    margin: 0 auto 10px;
    animation: spin 1s linear infinite;
}

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

.login-overlay {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: min(100%, 460px);
}

.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;
    color: var(--text-soft);
    margin-bottom: 14px;
}

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

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

@media (max-width: 1100px) {
    .hero-layout {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .site-header,
    .admin-header-inner,
    .gallery-header,
    .upload-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

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

    .hero-panel,
    .upload-panel,
    .settings-summary,
    .login-card,
    .stat-card,
    .admin-gallery-section .glass-card {
        padding: 22px;
    }

    .hero-copy h2 {
        font-size: 34px;
    }

    .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;
    }

    .result-link-box {
        display: grid;
    }

    .copy-btn {
        min-height: 44px;
    }
}

@media (max-width: 520px) {
    .container {
        width: min(100% - 20px, var(--container));
    }

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

    .brand-title {
        font-size: 24px;
    }

    .upload-dropzone-inner {
        min-height: 220px;
    }

    .upload-dropzone-inner h4 {
        font-size: 22px;
    }
}