:root {
    /* Project */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #0f766e;
    --dark-bg: #f5f7fb;
    --surface-0: #ffffff;
    --surface-1: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #eef2ff;
    --text-light: #111827;
    --text-muted: #64748b;
    --border-color: #dbe3ef;
    --border-subtle: #e8eef7;
    --gradient-1: linear-gradient(135deg, #2563eb, #14b8a6);
    --glow-primary: rgba(37, 99, 235, 0.22);

    /* Glass blur */
    --glass-blur-sm-raw: 8px;
    --glass-blur-md-raw: 16px;
    --glass-blur-lg-raw: 28px;
    --glass-blur-xl-raw: 48px;
    --glass-blur-sm: blur(8px);
    --glass-blur-md: blur(16px);
    --glass-blur-lg: blur(28px);
    --glass-blur-xl: blur(48px);

    /* Glass background */
    --glass-bg: rgba(255, 255, 255, 0.82);
    --glass-bg-hover: rgba(255, 255, 255, 0.96);
    --glass-bg-active: rgba(239, 246, 255, 0.96);
    --glass-container-bg: rgba(255, 255, 255, 0.72);
    --glass-fallback-bg: rgba(255, 255, 255, 0.95);
    --glass-fallback-border: rgba(0, 0, 0, 0.10);

    /* Glass border */
    --glass-border: rgba(148, 163, 184, 0.34);
    --glass-border-subtle: rgba(203, 213, 225, 0.78);
    --glass-border-strong: rgba(37, 99, 235, 0.38);

    /* Glass shadow */
    --glass-shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.04);
    --glass-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08), 0 1px 4px rgba(15, 23, 42, 0.05);
    --glass-shadow-lg: 0 18px 42px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.06);
    --glass-shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.16), 0 4px 16px rgba(15, 23, 42, 0.08);

    /* Glass radius */
    --glass-radius-xs: 8px;
    --glass-radius-sm: 12px;
    --glass-radius-md: 16px;
    --glass-radius-lg: 20px;
    --glass-radius-xl: 24px;
    --glass-radius-2xl: 32px;
    --glass-radius-full: 9999px;

    /* Glass tint */
    --glass-tint-brand: rgba(37, 99, 235, 0.12);
    --glass-tint-brand-prominent: rgba(37, 99, 235, 0.18);
    --glass-tint-success: rgba(34, 197, 94, 0.15);
    --glass-tint-warning: rgba(234, 179, 8, 0.15);
    --glass-tint-danger: rgba(239, 68, 68, 0.15);
    --glass-tint-neutral: rgba(148, 163, 184, 0.12);

    /* Glass transition & filter */
    --glass-transition-fast: all 120ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --glass-transition-base: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --glass-transition-slow: all 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --glass-transition-spring: all 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --glass-saturate: saturate(1.4);
    --glass-filter-combined-md: blur(16px) saturate(1.4);
    --glass-filter-combined-lg: blur(28px) saturate(1.6);
}

/* ─────────────────────────────────────────────────────────────
   RESET & BASE
   ───────────────────────────────────────────────────────────── */
   RESET & BASE
   ───────────────────────────────────────────────────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 30%),
        radial-gradient(circle at top right, rgba(20, 184, 166, 0.10), transparent 28%),
        var(--dark-bg);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 30px;
    padding-bottom: 60px;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Noise grain canvas container */
#noiseCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
    mix-blend-mode: multiply;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

/* ─────────────────────────────────────────────────────────────
   HERO SECTION — Content Layer
   ───────────────────────────────────────────────────────────── */
.hero-section {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.hero-title {
    font-size: clamp(2rem, 5vw + 0.5rem, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1d4ed8 0%, #0f766e 52%, #2563eb 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw + 0.25rem, 1.125rem);
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────
   CARDS — Content Layer (Solid surface, NO glass)
   Glass tidak boleh dipakai di content cards
   ───────────────────────────────────────────────────────────── */
.card {
    background-color: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--glass-radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    border-color: rgba(37, 99, 235, 0.24);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
}

/* Card header — grey surface */
.card-header {
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    text-align: center;
    position: relative;
}

.card-title {
    font-weight: 700;
    font-size: 0.8rem;
    margin: 0;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-body {
    padding: 24px;
    position: relative;
}

/* ─────────────────────────────────────────────────────────────
   FORM CONTROLS — Solid fill (form = content layer)
   ───────────────────────────────────────────────────────────── */
.form-control {
    background-color: var(--surface-2);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--glass-radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-size: 0.9rem;
}

.form-control:focus {
    background-color: var(--surface-3);
    color: var(--text-light);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ─────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────── */
.btn-generate {
    background: var(--gradient-1);
    border: none;
    padding: 12px 24px;
    font-weight: 700;
    font-size: 0.9rem;
    width: 100%;
    transition: all 0.2s ease;
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-radius: var(--glass-radius-sm);
    cursor: pointer;
    letter-spacing: 0.02em;
}

.btn-generate:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.22);
    filter: brightness(1.1);
}

.btn-generate:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

/* ─────────────────────────────────────────────────────────────
   STATS GRID — Dashboard metric controls (Glass)
   Stat items are control layer — they show live metrics
   ───────────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
    border-radius: var(--glass-radius-md);
    transition: var(--glass-transition-base);
    position: relative;
    overflow: hidden;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    border: 1px solid var(--glass-fallback-border);
    box-shadow: var(--glass-shadow-sm);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .stat-item {
        background-color: var(--glass-bg);
        -webkit-backdrop-filter: var(--glass-filter-combined-md);
        backdrop-filter: var(--glass-filter-combined-md);
        border-color: var(--glass-border-subtle);
    }
}

.stat-item:hover {
    border-color: var(--glass-border-strong);
    box-shadow: var(--glass-shadow-md);
}

.stat-item i {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.stat-item span {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.4;
}

.stat-item.countdown {
    /* Glass tint danger for urgency */
    background-color: var(--glass-fallback-bg);
    border-color: var(--glass-fallback-border);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .stat-item.countdown {
        background-color: var(--glass-tint-danger);
        border-color: var(--glass-border-subtle);
    }
}

.stat-item.countdown i {
    color: var(--secondary);
}

/* Stat entry animation */
.stat-item:nth-child(1) { animation: fadeIn 0.4s ease forwards; }
.stat-item:nth-child(2) { animation: fadeIn 0.5s ease forwards; }
.stat-item:nth-child(3) { animation: fadeIn 0.6s ease forwards; }
.stat-item:nth-child(4) { animation: fadeIn 0.7s ease forwards; }

/* Quota bar */
.quota-bar {
    width: 100%;
    height: 6px;
    background-color: #e2e8f0;
    border-radius: var(--glass-radius-full);
    overflow: hidden;
    position: relative;
    margin-top: 12px;
}

.quota-progress {
    height: 100%;
    background: var(--gradient-1);
    width: 0%;
    transition: width 1s ease;
    border-radius: var(--glass-radius-full);
}

.quota-text {
    position: absolute;
    top: -22px;
    right: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────
   SEARCH BAR — Content layer
   ───────────────────────────────────────────────────────────── */
.search-wrapper {
    position: relative;
    width: 250px;
}

.search-wrapper i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: color 0.2s;
    font-size: 0.85rem;
}

.search-wrapper:focus-within i {
    color: var(--primary);
}

.search-wrapper .form-control {
    padding-left: 36px;
    background-color: var(--surface-2);
    font-size: 0.85rem;
    height: 38px;
}

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

.breadcrumb-path {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.breadcrumb-chip {
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    color: var(--text-light);
    border-radius: var(--glass-radius-xs);
    padding: 7px 11px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

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

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.folder-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.folder-actions .form-control {
    width: 210px;
    height: 38px;
}

.btn-icon-text {
    border: 1px solid var(--border-color);
    background: var(--surface-2);
    color: var(--text-light);
    border-radius: var(--glass-radius-xs);
    min-height: 38px;
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.btn-icon-text:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

/* ─────────────────────────────────────────────────────────────
   FILE SLIDER & GRID
   ───────────────────────────────────────────────────────────── */
.file-slider-container {
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    min-height: 400px;
}

.file-slider {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    min-height: 380px;
}

.file-slider:has(.file-grid-static) {
    display: block;
    transform: none !important;
}

.file-slide {
    min-width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.file-grid-static {
    min-width: 0;
}

.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
    gap: 8px;
}

/* Slider controls — Control Layer (Glass) */
.slider-btn {
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    width: 38px;
    height: 38px;
    border-radius: var(--glass-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    box-shadow: var(--glass-shadow-sm);
    transition: var(--glass-transition-fast);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .slider-btn {
        background-color: var(--glass-bg);
        -webkit-backdrop-filter: var(--glass-filter-combined-md);
        backdrop-filter: var(--glass-filter-combined-md);
    }
}

.slider-btn:hover {
    background-color: var(--glass-bg-hover);
    border-color: var(--glass-border-strong);
    box-shadow: var(--glass-shadow-md);
    transform: scale(1.05);
}

.slider-btn:active {
    transform: scale(0.96);
}

.slider-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
}

.slider-indicators {
    display: flex;
    justify-content: center;
    margin-top: 10px;
    gap: 6px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--glass-radius-full);
    background-color: var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.indicator.active {
    background-color: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 8px var(--glow-primary);
}

/* ─────────────────────────────────────────────────────────────
   FILE CARDS — Content Layer (Solid)
   File cards display data — no glass per skill rules
   ───────────────────────────────────────────────────────────── */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.file-card {
    background-color: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--glass-radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    animation: fadeIn 0.4s ease;
    position: relative;
}

.file-card:hover {
    border-color: rgba(37, 99, 235, 0.26);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.09), 0 0 0 1px rgba(37, 99, 235, 0.06);
}

.folder-card {
    border-color: rgba(20, 184, 166, 0.26);
}

.folder-card .file-card-header i {
    color: #facc15;
}

.file-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.file-card-header i {
    font-size: 1.6rem;
    color: var(--primary);
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.file-card-title {
    font-weight: 600;
    color: var(--text-light);
    word-break: break-all;
    margin: 0;
    line-height: 1.4;
    font-size: 0.9rem;
}

.file-card-body {
    flex-grow: 1;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.file-card-body .meta-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    padding: 4px 0;
}

.file-card-body .meta-item span:first-child {
    color: var(--text-muted);
    font-weight: 500;
}

.file-card-body .meta-item span:last-child {
    color: var(--text-light);
    font-weight: 500;
}

.file-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.file-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: wrap;
}

.download-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.download-count i {
    color: var(--secondary);
    margin-right: 4px;
}

/* Download & Copy buttons — Colored, distinct */
.btn-download,
.btn-preview,
.btn-open-folder {
    background: var(--gradient-1);
    border: none;
    padding: 8px 14px;
    color: #fff;
    border-radius: var(--glass-radius-xs);
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-copy {
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    border: none;
    padding: 8px 14px;
    color: #fff;
    border-radius: var(--glass-radius-xs);
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-delete,
.btn-delete-folder {
    background: linear-gradient(135deg, #ef4444, #991b1b);
    border: none;
    padding: 8px 14px;
    color: #fff;
    border-radius: var(--glass-radius-xs);
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-rename,
.btn-rename-folder {
    background: linear-gradient(135deg, #64748b, #334155);
    border: none;
    padding: 8px 14px;
    color: #fff;
    border-radius: var(--glass-radius-xs);
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-download:hover,
.btn-preview:hover,
.btn-open-folder:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.26);
    filter: brightness(1.15);
    color: #fff;
}

.btn-copy:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.28);
    filter: brightness(1.15);
    color: #fff;
}

.btn-rename:hover,
.btn-rename-folder:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(100, 116, 139, 0.3);
    filter: brightness(1.15);
    color: #fff;
}

.btn-delete:hover,
.btn-delete-folder:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    filter: brightness(1.12);
    color: #fff;
}

.btn-download:active,
.btn-preview:active,
.btn-open-folder:active,
.btn-copy:active,
.btn-rename:active,
.btn-rename-folder:active,
.btn-delete:active,
.btn-delete-folder:active {
    transform: translateY(0) scale(0.97);
    filter: brightness(0.95);
}

/* ─────────────────────────────────────────────────────────────
   NOTIFICATION — Control Layer (Glass Toast)
   ───────────────────────────────────────────────────────────── */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 20px;
    border-radius: var(--glass-radius-md);
    color: var(--text-light);
    z-index: 1000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 380px;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    border: 1px solid var(--glass-fallback-border);
    box-shadow: var(--glass-shadow-lg);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .notification {
        background-color: var(--glass-bg);
        -webkit-backdrop-filter: var(--glass-filter-combined-lg);
        backdrop-filter: var(--glass-filter-combined-lg);
        border-color: var(--glass-border);
    }
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 3px solid var(--primary);
}

.notification.error {
    border-left: 3px solid #ef4444;
}

/* ─────────────────────────────────────────────────────────────
   PROGRESS BAR
   ───────────────────────────────────────────────────────────── */
.progress-container {
    width: 100%;
    height: 4px;
    background-color: #e2e8f0;
    border-radius: var(--glass-radius-full);
    margin-top: 10px;
    overflow: hidden;
    display: none;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-1);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: var(--glass-radius-full);
}

/* ─────────────────────────────────────────────────────────────
   FAB — Control Layer (Glass Floating Action Button)
   ───────────────────────────────────────────────────────────── */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: var(--glass-radius-full);
    color: var(--primary);
    border: 1px solid var(--glass-border-strong);
    font-size: 20px;
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    box-shadow: var(--glass-shadow-lg), 0 0 20px rgba(37, 99, 235, 0.10);
    transition: var(--glass-transition-base);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .fab {
        background-color: var(--glass-tint-brand);
        -webkit-backdrop-filter: var(--glass-filter-combined-lg);
        backdrop-filter: var(--glass-filter-combined-lg);
    }
}

.fab:hover {
    transform: scale(1.08);
    box-shadow: var(--glass-shadow-xl), 0 0 30px rgba(37, 99, 235, 0.14);
    border-color: var(--primary);
    color: var(--primary);
    background-color: var(--glass-bg-hover);
}

.fab:active {
    transform: scale(0.95);
}

/* ─────────────────────────────────────────────────────────────
   MODAL — Control Layer (Glass Dialog)
   ───────────────────────────────────────────────────────────── */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    border-radius: var(--glass-radius-xl);
    padding: 28px;
    max-width: 480px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.25s ease;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    border: 1px solid var(--glass-fallback-border);
    box-shadow: var(--glass-shadow-xl);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .modal-content {
        background-color: var(--glass-bg);
        -webkit-backdrop-filter: var(--glass-filter-combined-lg);
        backdrop-filter: var(--glass-filter-combined-lg);
        border-color: var(--glass-border);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--glass-border-subtle);
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -0.01em;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: color 0.2s;
    padding: 4px;
    border-radius: var(--glass-radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-light);
}

.modal-path {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 12px;
    word-break: break-all;
}

.preview-modal-content {
    max-width: 900px;
}

.preview-body {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--glass-radius-md);
    overflow: hidden;
    padding: 12px;
}

.preview-media {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--glass-radius-sm);
}

.preview-audio {
    width: 100%;
}

.preview-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 14px;
    flex-wrap: wrap;
}

/* ─────────────────────────────────────────────────────────────
   FOOTER — Content Layer (NO glass)
   ───────────────────────────────────────────────────────────── */
.footer {
    text-align: center;
    margin-top: 48px;
    color: var(--text-muted);
    font-size: 0.8rem;
    position: relative;
    z-index: 1;
    letter-spacing: 0.02em;
}

/* ─────────────────────────────────────────────────────────────
   LOADING SPINNER
   ───────────────────────────────────────────────────────────── */
.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--glass-radius-full);
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

/* ─────────────────────────────────────────────────────────────
   FILE TYPE ICONS
   ───────────────────────────────────────────────────────────── */
.file-icon-pdf { color: #ef4444; }
.file-icon-doc { color: #3b82f6; }
.file-icon-img { color: #f59e0b; }
.file-icon-video { color: #a855f7; }
.file-icon-audio { color: #14b8a6; }
.file-icon-zip { color: #6b7280; }
.file-icon-code { color: #22c55e; }
.file-icon-ppt { color: #6366f1; }
.file-icon-contract { color: #e2e8f0; }
.file-icon-shield { color: #facc15; }
.file-icon-fragment { color: #ec4899; }
.file-icon-svg { color: #94a3b8; }
.file-icon-heif { color: #10b981; }
.file-icon-default { color: #71717a; }

/* ─────────────────────────────────────────────────────────────
   ADMIN BAR — Control Layer (Glass Toolbar)
   ───────────────────────────────────────────────────────────── */
.admin-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-radius: var(--glass-radius-lg);
    margin-bottom: 20px;
    animation: fadeIn 0.4s ease;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    border: 1px solid var(--glass-fallback-border);
    box-shadow: var(--glass-shadow-md);
    transition: var(--glass-transition-base);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .admin-bar {
        background-color: var(--glass-bg);
        -webkit-backdrop-filter: var(--glass-filter-combined-md);
        backdrop-filter: var(--glass-filter-combined-md);
        border-color: var(--glass-border-subtle);
    }
}

.admin-bar-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.admin-bar-info i {
    color: var(--primary);
    font-size: 0.9rem;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: var(--glass-radius-xs);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* ─────────────────────────────────────────────────────────────
   LOGIN PAGE
   ───────────────────────────────────────────────────────────── */
.login-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
    padding: 20px;
}

/* Login Card — Form = content layer, solid surface */
.login-card {
    background-color: var(--surface-1);
    border: 1px solid var(--border-color);
    border-radius: var(--glass-radius-xl);
    max-width: 420px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
    animation: loginCardAppear 0.5s ease;
    position: relative;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
}

@keyframes loginCardAppear {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    padding: 40px 32px 24px;
}

.login-logo {
    position: relative;
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-logo-img {
    width: 56px;
    height: 56px;
    border-radius: var(--glass-radius-sm);
    object-fit: contain;
}

.login-shield {
    width: 64px;
    height: 64px;
    border-radius: var(--glass-radius-full);
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: shieldPulse 3s ease-in-out infinite;
}

.login-shield i {
    font-size: 1.75rem;
    background: linear-gradient(135deg, #2563eb, #14b8a6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes shieldPulse {
    0%, 100% {
        box-shadow: 0 0 12px rgba(155, 217, 40, 0.15);
    }
    50% {
        box-shadow: 0 0 24px rgba(155, 217, 40, 0.3);
    }
}

.login-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb, #0f766e, #2563eb);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease infinite;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

/* Login security badge — Control Layer (Glass Chip) */
.login-security-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: var(--glass-radius-full);
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    /* Glass fallback */
    background-color: var(--glass-fallback-bg);
    border: 1px solid var(--glass-fallback-border);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .login-security-badge {
        background-color: var(--glass-tint-success);
        -webkit-backdrop-filter: var(--glass-blur-sm);
        backdrop-filter: var(--glass-blur-sm);
        border-color: var(--glass-border);
    }
}

.login-security-badge i {
    font-size: 0.65rem;
}

.login-body {
    padding: 20px 32px 32px;
}

.login-input-group {
    margin-bottom: 20px;
}

.login-input-wrapper {
    position: relative;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.2s;
    z-index: 2;
}

.login-input {
    padding-left: 40px !important;
    padding-right: 46px !important;
    height: 48px;
    font-size: 0.9rem;
    background-color: var(--surface-2) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--glass-radius-sm) !important;
    transition: border-color 0.2s, box-shadow 0.2s !important;
}

.login-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(155, 217, 40, 0.12) !important;
    background-color: var(--surface-3) !important;
}

.login-input:focus ~ .login-input-icon {
    color: var(--primary);
}

.login-toggle-pass {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 0.85rem;
    transition: color 0.2s;
    z-index: 2;
}

.login-toggle-pass:hover {
    color: var(--text-light);
}

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--glass-radius-sm);
    color: #ef4444;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 16px;
    animation: fadeIn 0.3s ease;
}

.login-error i {
    font-size: 0.8rem;
    flex-shrink: 0;
}

.login-btn {
    height: 48px;
    font-size: 0.9rem;
    border-radius: var(--glass-radius-sm) !important;
    font-weight: 700;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.login-btn.login-success {
    background: var(--primary) !important;
    color: #000 !important;
}

.login-footer {
    padding: 0 32px 28px;
}

.login-footer-info {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 14px;
    background: var(--surface-2);
    border: 1px solid var(--border-color);
    border-radius: var(--glass-radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.login-footer-info i {
    color: var(--text-muted);
    margin-top: 1px;
    flex-shrink: 0;
}

/* Shake animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.login-card.shake {
    animation: shake 0.5s ease;
}

/* ─────────────────────────────────────────────────────────────
   UTILITY ANIMATIONS
   ───────────────────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .search-wrapper {
        width: 100%;
        margin-top: 10px;
    }

    .file-slide {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .fab {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .login-card {
        border-radius: var(--glass-radius-lg);
    }

    .login-header {
        padding: 32px 20px 16px;
    }

    .login-body {
        padding: 16px 20px 24px;
    }

    .login-title {
        font-size: 1.35rem;
    }

    .login-footer {
        padding: 0 20px 20px;
    }
}