:root {
    --primary: #c88200;
    --primary-rgb: 200, 130, 0;
    --primary-hover: #b07200;
    --primary-light: #fef3c7;
    --primary-glow: rgba(200, 130, 0, 0.28);
    --bg-main: #f0f4fa;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.85);
    --glass-shine: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95), inset 0 0 20px 0 rgba(255, 255, 255, 0.25);
    --card-bg: rgba(255, 255, 255, 0.78);
    --card-hover-border: #d97706;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border-color: rgba(226, 232, 240, 0.85);
    --border-subtle: rgba(241, 245, 249, 0.7);
    --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 14px 30px -6px rgba(15, 23, 42, 0.07);
    --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.12);
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --transition-snappy: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-main: #070a13;
    --glass-bg: rgba(15, 23, 42, 0.58);
    --glass-border: rgba(255, 255, 255, 0.16);
    --glass-shine: inset 0 1px 1px 0 rgba(255, 255, 255, 0.35), inset 0 0 24px 0 rgba(255, 255, 255, 0.03);
    --card-bg: rgba(17, 24, 39, 0.6);
    --card-hover-border: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.12);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 14px 32px -6px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 28px 56px -12px rgba(0, 0, 0, 0.7);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(147, 51, 234, 0.14) 0%, transparent 45%),
        radial-gradient(circle at 90% 15%, rgba(6, 182, 212, 0.16) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.09) 0%, transparent 50%),
        radial-gradient(circle at 85% 85%, rgba(99, 102, 241, 0.14) 0%, transparent 45%),
        radial-gradient(circle at 15% 90%, rgba(14, 165, 233, 0.12) 0%, transparent 45%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] body {
    background-color: #070a13;
    background-image: 
        radial-gradient(circle at 8% 12%, rgba(147, 51, 234, 0.28) 0%, transparent 45%),
        radial-gradient(circle at 92% 16%, rgba(6, 182, 212, 0.25) 0%, transparent 45%),
        radial-gradient(circle at 50% 45%, rgba(217, 70, 239, 0.16) 0%, transparent 40%),
        radial-gradient(circle at 88% 88%, rgba(79, 70, 229, 0.26) 0%, transparent 45%),
        radial-gradient(circle at 12% 88%, rgba(14, 165, 233, 0.2) 0%, transparent 45%);
}

.kiosk-app-wrapper {
    max-width: 1560px;
    width: 100%;
    margin: 0 auto;
    padding: 1.25rem 1.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    flex: 1;
}

/* ==========================================================================
   1. Elegant Museum Header
   ========================================================================== */
.museum-header {
    background: var(--glass-bg);
    backdrop-filter: blur(32px) saturate(190%) contrast(102%);
    -webkit-backdrop-filter: blur(32px) saturate(190%) contrast(102%);
    border-radius: var(--radius-xl);
    padding: 1.35rem 2rem;
    color: var(--text-main);
    box-shadow: var(--glass-shine), var(--shadow-md);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.museum-header::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -40px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.25) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 1.15rem;
}

.brand-logos-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.brand-logo-img {
    height: 48px;
    width: auto;
    max-width: 65px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition-bounce), filter var(--transition-smooth);
}

.brand-logo-img:hover {
    transform: scale(1.08) translateY(-2px);
    filter: drop-shadow(0 6px 14px rgba(var(--primary-rgb), 0.35));
}

.brand-logo-img.logo-pemkot {
    height: 48px;
}

.brand-logo-img.logo-dispersip {
    height: 52px;
}

.brand-emblem {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.25) 0%, rgba(var(--primary-rgb), 0.08) 100%);
    border: 1.5px solid rgba(var(--primary-rgb), 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fbbf24;
    font-size: 1.5rem;
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.25);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.25);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    width: fit-content;
    margin-bottom: 0.15rem;
}

.pulse-gold {
    width: 7px;
    height: 7px;
    background: #fbbf24;
    border-radius: 50%;
    box-shadow: 0 0 8px #fbbf24;
    animation: livePulse 2s infinite;
}

@keyframes livePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.35); opacity: 0.55; }
}

.brand-title {
    font-family: 'Cinzel', serif;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-main);
    line-height: 1.2;
}

[data-theme="dark"] .brand-title {
    color: #ffffff;
    text-shadow: 0 0 24px rgba(255, 255, 255, 0.25);
}

.brand-subtitle {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* Curator Active Status in Header */
.curator-top-status {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.35rem 0.85rem;
    border-radius: 24px;
    font-size: 0.82rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.curator-name-label {
    color: #059669;
    font-weight: 700;
}
[data-theme="dark"] .curator-name-label {
    color: #34d399;
}

.btn-top-curator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-main);
    backdrop-filter: blur(10px);
    transition: var(--transition-snappy);
}

[data-theme="dark"] .btn-top-curator {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.18);
}

.btn-top-curator:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: var(--primary);
    transform: translateY(-1px);
}
[data-theme="dark"] .btn-top-curator:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-top-curator.btn-curator-add {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.btn-top-curator.btn-curator-add:hover {
    background: var(--primary-hover);
}

.btn-top-curator.btn-curator-exit {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.28);
    color: #dc2626;
}
[data-theme="dark"] .btn-top-curator.btn-curator-exit {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.2);
}

.btn-top-curator.btn-curator-exit:hover {
    background: #ef4444;
    color: #ffffff;
}

/* Header Action Buttons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.collection-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    color: var(--text-main);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.45rem 0.95rem;
    border-radius: 20px;
}

[data-theme="dark"] .collection-pill-badge {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.collection-pill-badge i {
    color: var(--primary);
}

.btn-hdr-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: 14px;
    font-size: 0.86rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-main);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8), 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: var(--transition-snappy);
    text-decoration: none;
    min-height: 42px;
}

[data-theme="dark"] .btn-hdr-action {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-hdr-action:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: inset 0 1px 1px #fff, 0 8px 20px rgba(var(--primary-rgb), 0.2);
}

[data-theme="dark"] .btn-hdr-action:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35), 0 8px 24px rgba(var(--primary-rgb), 0.35);
}

.btn-hdr-action.btn-curator-entrance {
    background: rgba(var(--primary-rgb), 0.12);
    border-color: rgba(var(--primary-rgb), 0.35);
    color: var(--primary);
}

[data-theme="dark"] .btn-hdr-action.btn-curator-entrance {
    color: #fbbf24;
}

.btn-hdr-action.btn-curator-entrance:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.btn-hdr-action.btn-icon-round {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 50%;
    font-size: 1rem;
}

/* ==========================================================================
   2. Category Tabs Carousel & Integrated Toolbar
   ========================================================================== */
.category-tabs-nav {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 0.2rem 0;
}

.category-tabs-nav::-webkit-scrollbar {
    display: none;
}

.category-tabs-track {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: max-content;
}

.cat-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.7rem 1.25rem;
    border-radius: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-snappy);
    box-shadow: var(--glass-shine), 0 4px 14px rgba(0, 0, 0, 0.03);
    white-space: nowrap;
    min-height: 46px;
}

.cat-tab:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8), 0 8px 22px rgba(var(--primary-rgb), 0.18);
}

.cat-tab.active {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.96) 0%, #e68a00 100%);
    border-color: rgba(255, 255, 255, 0.6);
    color: #ffffff;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.5), 0 8px 24px rgba(var(--primary-rgb), 0.4);
}

.cat-tab-icon {
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: color 0.2s ease;
}

.cat-tab.active .cat-tab-icon {
    color: #ffffff;
}

.cat-tab-title {
    letter-spacing: -0.2px;
}

.cat-tab-count {
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.15rem 0.55rem;
    border-radius: 12px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--text-main);
    transition: all 0.2s ease;
}

[data-theme="dark"] .cat-tab-count {
    background: rgba(255, 255, 255, 0.12);
    color: #cbd5e1;
}

.cat-tab.active .cat-tab-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* 3. Integrated Toolbar */
.toolbar-section {
    background: var(--glass-bg);
    backdrop-filter: blur(28px) saturate(190%);
    -webkit-backdrop-filter: blur(28px) saturate(190%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.35rem;
    box-shadow: var(--glass-shine), var(--shadow-sm);
}

.toolbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-field-wrap {
    position: relative;
    flex: 1;
    min-width: 260px;
    max-width: 480px;
}

.search-lens-icon {
    position: absolute;
    left: 1.15rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
}

.museum-search-input {
    width: 100%;
    padding: 0.72rem 2.8rem 0.72rem 2.75rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    outline: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

[data-theme="dark"] .museum-search-input {
    background: rgba(15, 23, 42, 0.45);
    border-color: rgba(255, 255, 255, 0.14);
}

.museum-search-input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.22);
}

[data-theme="dark"] .museum-search-input:focus {
    background: rgba(15, 23, 42, 0.75);
}

.search-reset-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: none;
    padding: 2px;
}

.search-reset-btn:hover {
    color: #ef4444;
}

/* Format Chips */
.format-filters-group {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.format-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.95rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.45);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition-snappy);
    white-space: nowrap;
}

[data-theme="dark"] .format-chip {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

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

.format-chip.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.35);
}

/* Toolbar End Controls */
.toolbar-end-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sort-box {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.4rem 0.8rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .sort-box {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.sort-icon {
    color: var(--primary);
    font-size: 0.85rem;
}

.sort-select-input {
    border: none;
    background: transparent;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
}

.view-mode-toggles {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3px;
    gap: 3px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .view-mode-toggles {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.btn-mode-toggle {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-snappy);
}

.btn-mode-toggle:hover {
    color: var(--text-main);
}

.btn-mode-toggle.active {
    background: var(--card-bg);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   4. Active Category Header & Exhibition Stage
   ========================================================================== */
.active-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1.5px solid rgba(var(--primary-rgb), 0.35);
    border-radius: var(--radius-lg);
    padding: 1.15rem 1.6rem;
    box-shadow: var(--glass-shine), var(--shadow-sm);
    flex-wrap: wrap;
}

.active-cat-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.active-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary);
}

.active-category-header h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
}

.active-category-header p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.active-cat-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.btn-cat-action {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition-snappy);
}

[data-theme="dark"] .btn-cat-action {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    color: #ffffff;
}

.btn-cat-action:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

.btn-cat-action.danger {
    color: #ef4444;
}

.btn-cat-action.danger:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

.exhibition-stage {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Empty State */
.gallery-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4.5rem 2rem;
    text-align: center;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-color);
    box-shadow: var(--shadow-sm);
    margin: 1rem 0;
}

.empty-icon-wrap {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: 1.15rem;
}

[data-theme="dark"] .empty-icon-wrap {
    background: rgba(255, 255, 255, 0.06);
}

.gallery-empty-state h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.45rem;
}

.gallery-empty-state p {
    font-size: 0.92rem;
    color: var(--text-muted);
    max-width: 460px;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.btn-reset-filters {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.6rem;
    border-radius: 50px;
    border: none;
    background: var(--primary);
    color: #ffffff;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.35);
    transition: var(--transition-snappy);
}

.btn-reset-filters:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.45);
}

/* ==========================================================================
   5. Media Files Grid (Comfortable, Compact, and List Views)
   ========================================================================== */
.media-grid {
    display: grid;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

/* 5A. Gallery View (Default - Museum Framed Cards) */
.media-grid.view-comfortable {
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
}

.media-grid.view-comfortable .media-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--glass-shine), var(--shadow-sm);
    transition: var(--transition-snappy);
    display: flex;
    flex-direction: column;
    position: relative;
}

.media-grid.view-comfortable .media-card:hover {
    transform: translateY(-6px);
    border-color: rgba(var(--primary-rgb), 0.55);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6), 0 20px 40px -10px rgba(var(--primary-rgb), 0.22);
}

[data-theme="dark"] .media-grid.view-comfortable .media-card:hover {
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.35), 0 20px 40px -10px rgba(0, 0, 0, 0.7);
}

.media-grid.view-comfortable .media-thumb-box {
    width: 100%;
    aspect-ratio: 16/11;
    background: #0b1120;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 5B. Compact Grid */
.media-grid.view-compact {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 1rem;
}

.media-grid.view-compact .media-card {
    background: var(--card-bg);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--glass-shine), var(--shadow-sm);
    transition: var(--transition-snappy);
    display: flex;
    flex-direction: column;
    position: relative;
}

.media-grid.view-compact .media-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--primary-rgb), 0.55);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.5), var(--shadow-md);
}

.media-grid.view-compact .media-thumb-box {
    width: 100%;
    aspect-ratio: 4/3;
    background: #0b1120;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-grid.view-compact .media-card-body {
    padding: 0.85rem 1rem;
}

.media-grid.view-compact .media-title {
    font-size: 0.88rem;
}

.media-grid.view-compact .media-desc-preview {
    display: none;
}

/* 5C. List View Mode */
.media-grid.view-list {
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.media-grid.view-list .media-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-snappy);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
}

.media-grid.view-list .media-card:hover {
    border-color: var(--primary);
    background: var(--bg-main);
    transform: translateX(4px);
}

.media-grid.view-list .media-thumb-box {
    width: 76px;
    height: 60px;
    border-radius: 10px;
    background: #0b1120;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.media-grid.view-list .media-card-top-tags {
    display: none;
}

.media-grid.view-list .media-card-body {
    flex: 1;
    padding: 0;
}

.media-grid.view-list .media-title {
    font-size: 0.98rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-grid.view-list .media-desc-preview {
    display: none;
}
/* Universal Media Card Elements */
.media-thumb-img, .media-thumb-canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
    display: block;
}

.media-card:hover .media-thumb-img,
.media-card:hover .media-thumb-canvas {
    transform: scale(1.05);
}

/* Card Top Tags Overlay */
.media-card-top-tags {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 5;
    pointer-events: none;
}

.media-format-badge {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #ffffff;
    backdrop-filter: blur(8px);
}

.badge-image {
    background: rgba(180, 83, 9, 0.88);
    border: 1px solid rgba(251, 191, 36, 0.4);
}

.badge-pdf {
    background: rgba(185, 28, 28, 0.9);
    border: 1px solid rgba(248, 113, 113, 0.4);
}

.badge-video {
    background: rgba(3, 105, 161, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.4);
}

/* Quick Favorite Star Button on Card */
.btn-fav-card {
    pointer-events: auto;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: var(--transition-snappy);
}

.btn-fav-card:hover {
    transform: scale(1.15);
    background: #0f172a;
    color: #eab308;
}

.btn-fav-card.active {
    background: #eab308;
    color: #0f172a;
    border-color: #eab308;
    box-shadow: 0 4px 12px rgba(234, 179, 8, 0.45);
}

.media-thumb-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    gap: 0.4rem;
    z-index: 2;
}

.media-thumb-loading i {
    font-size: 1.8rem;
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

.media-video-overlay-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.25);
    z-index: 3;
    pointer-events: none;
}

.media-video-play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.5);
    transition: var(--transition-snappy);
}

.media-card:hover .media-video-play-btn {
    transform: scale(1.18);
}

/* Media Card Body */
.media-card-body {
    padding: 0.95rem 1.15rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
    flex: 1;
    background: transparent;
}

.media-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    transition: color 0.2s ease;
}

.media-card:hover .media-title {
    color: var(--primary);
}

.media-card-category,
.media-desc-preview,
.media-meta-footer,
.media-format-badge {
    display: none !important;
}

.media-meta-footer {
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}

.empty-box h3 {
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.empty-box p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   6. Touchscreen Lightbox (Fullscreen Multimedia Viewer)
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(8, 12, 22, 0.96);
    backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.slideshow-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--primary);
    width: 0%;
    z-index: 25;
}

.lightbox-top {
    padding: 0.9rem 1.8rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    z-index: 10;
    gap: 1rem;
}

.lightbox-info {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    max-width: 45%;
}

.lightbox-count {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.lightbox-name {
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-fav-lightbox {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: var(--transition-snappy);
    flex-shrink: 0;
}

.btn-fav-lightbox:hover {
    color: #eab308;
    transform: scale(1.1);
}

.btn-fav-lightbox.active {
    background: #eab308;
    color: #0f172a;
    border-color: #eab308;
    box-shadow: 0 4px 14px rgba(234, 179, 8, 0.45);
}

.lightbox-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-ctrl {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-snappy);
    flex-shrink: 0;
}

.btn-ctrl:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.08);
}

.btn-ctrl.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 0 14px rgba(var(--primary-rgb), 0.6);
}

.btn-ctrl.btn-exit {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.btn-ctrl.btn-exit:hover {
    background: #ef4444;
    color: white;
}

.slideshow-controls-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 2px 4px 2px 8px;
    gap: 4px;
}

.slideshow-speed-select {
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
}

.slideshow-speed-select option {
    background: #0f172a;
    color: #ffffff;
}

.lightbox-stage {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

.lightbox-view {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.lightbox-image-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: 100%;
    transition: transform 0.15s ease-out;
}

.lightbox-main-img {
    max-width: 90vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 14px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
    user-select: none;
    transition: filter 0.3s ease;
}

/* Document Restoration / High Contrast Mode */
.lightbox-main-img.enhanced-mode {
    filter: contrast(140%) brightness(105%) grayscale(20%) drop-shadow(0 0 1px #000);
}

.lightbox-pdf-frame {
    width: 86vw;
    height: 82vh;
    border-radius: 14px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: #ffffff;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.lightbox-video-element {
    max-width: 90vw;
    max-height: 82vh;
    border-radius: 14px;
    background: #000000;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
    outline: none;
}

.btn-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    cursor: pointer;
    transition: var(--transition-snappy);
    z-index: 5;
}

.btn-nav-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.btn-nav-arrow.prev { left: 24px; }
.btn-nav-arrow.next { right: 24px; }

/* Metadata Side Drawer */
.lightbox-drawer {
    width: 380px;
    background: rgba(15, 23, 42, 0.97);
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    color: white;
    padding: 1.8rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 15;
}

.lightbox-drawer.active {
    transform: translateX(0);
}

.drawer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.6rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-head h3 {
    font-size: 1.2rem;
    font-weight: 800;
}

.drawer-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.meta-block label {
    display: block;
    font-size: 0.76rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 0.25rem;
    font-weight: 800;
}

.meta-block p {
    font-size: 0.94rem;
    color: #f1f5f9;
    font-weight: 500;
    line-height: 1.4;
}

.meta-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.qr-share-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 1.1rem;
    text-align: center;
    margin-top: 0.5rem;
}

.qr-code-img-wrap {
    background: #ffffff;
    padding: 0.6rem;
    border-radius: 10px;
    display: inline-block;
    margin: 0.6rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.qr-code-img-wrap img {
    width: 140px;
    height: 140px;
    display: block;
}

.qr-hint-text {
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.35;
}

/* ==========================================================================
   7. Kiosk Screensaver / Attract Screen
   ========================================================================== */
.kiosk-screensaver {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
    cursor: pointer;
}

.kiosk-screensaver.active {
    opacity: 1;
    pointer-events: auto;
}

.screensaver-bg-slideshow {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.42);
    transform: scale(1.05);
    animation: kenBurns 16s infinite alternate ease-in-out;
}

@keyframes kenBurns {
    0% { transform: scale(1.05) translate(0, 0); }
    100% { transform: scale(1.18) translate(-1%, -1%); }
}

.screensaver-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(15, 23, 42, 0.4) 0%, rgba(0, 0, 0, 0.85) 100%);
}

.screensaver-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    padding: 2rem;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.screensaver-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.7rem 1.4rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.screensaver-logo {
    height: 54px;
    width: auto;
}

.screensaver-clock {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    color: #ffffff;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.7);
}

.screensaver-date {
    font-size: 1.35rem;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

.screensaver-title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

.screensaver-sub {
    font-size: 1.25rem;
    color: #cbd5e1;
    font-weight: 500;
}

.screensaver-touch-prompt {
    margin-top: 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.2rem;
    border-radius: 35px;
    background: rgba(var(--primary-rgb), 0.9);
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.5);
    animation: bouncePrompt 2s infinite ease-in-out;
    position: relative;
}

@keyframes bouncePrompt {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
    .hero-banner {
        padding: 1.5rem;
    }
    .hero-content {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-right-side {
        align-items: flex-start;
    }
    .nav-control-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .nav-tools-group {
        justify-content: space-between;
    }
    .lightbox-top {
        flex-direction: column;
        align-items: stretch;
    }
    .lightbox-info {
        max-width: 100%;
    }
    .lightbox-drawer {
        width: 100%;
    }
}

/* ==========================================================================
   Upload Modal, Dropzone & WebP Conversion UI
   ========================================================================== */
.btn-upload-accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #ffffff !important;
    border-color: rgba(16, 185, 129, 0.4) !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35) !important;
}

.btn-upload-accent:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45) !important;
}

.btn-section-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    cursor: pointer;
    transition: var(--transition-snappy);
}

.btn-section-action:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-1px);
}

/* Modal Structure */
.upload-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.upload-modal.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.upload-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 28, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.upload-dialog {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(36px) saturate(210%) contrast(102%);
    -webkit-backdrop-filter: blur(36px) saturate(210%) contrast(102%);
    width: 100%;
    max-width: 780px;
    max-height: 90vh;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shine), 0 32px 70px -15px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.96) translateY(10px);
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
}

.upload-modal.active .upload-dialog {
    transform: scale(1) translateY(0);
}

/* Header */
.upload-header {
    padding: 1.4rem 1.8rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: transparent;
}

.upload-header-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.upload-icon-bubble {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.upload-header-title h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.2rem;
}

.upload-header-title p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.btn-upload-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--border-subtle);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-snappy);
}

.btn-upload-close:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
    transform: rotate(90deg);
}

/* Body */
.upload-body {
    padding: 1.5rem 1.8rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-height: calc(90vh - 160px);
}

.upload-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.upload-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-select, .upload-text-input, .upload-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-color);
    background: var(--bg-main);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    outline: none;
    transition: var(--transition-smooth);
}

.upload-select:focus, .upload-text-input:focus, .upload-textarea:focus {
    border-color: var(--primary);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.upload-textarea {
    resize: vertical;
    min-height: 72px;
}

/* Dropzone */
.upload-dropzone {
    border: 2.5px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--border-subtle);
    padding: 2.2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
    transform: scale(1.01);
}

.dropzone-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem auto;
    transition: var(--transition-snappy);
}

.upload-dropzone:hover .dropzone-icon {
    transform: translateY(-4px) scale(1.08);
}

.dropzone-content h4 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.dropzone-content p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.1rem;
}

.dropzone-badges {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.fmt-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.badge-pdf-highlight {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
}

/* Queue List */
.queue-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.queue-heading h4 {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-clear-queue {
    background: none;
    border: none;
    color: #ef4444;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-xs);
    transition: var(--transition-smooth);
}

.btn-clear-queue:hover {
    background: rgba(239, 68, 68, 0.1);
}

.upload-queue-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-height: 240px;
    overflow-y: auto;
    padding-right: 0.4rem;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    background: var(--border-subtle);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.queue-item:hover {
    background: var(--card-bg);
    border-color: var(--primary);
}

.queue-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xs);
    object-fit: cover;
    background: #000;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.queue-info {
    flex: 1;
    min-width: 0;
}

.queue-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.queue-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.queue-badge-webp {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    background: #10b981;
    color: #ffffff;
}

.queue-savings {
    font-weight: 700;
    color: #10b981;
}

.btn-queue-remove {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-snappy);
    flex-shrink: 0;
}

.btn-queue-remove:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* Progress Bar */
.conversion-progress-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.8rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.45rem;
}

.progress-bar-track {
    width: 100%;
    height: 8px;
    background: var(--border-subtle);
    border-radius: 99px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 99px;
    transition: width 0.2s ease;
}

/* Footer */
.upload-footer {
    padding: 1.2rem 1.8rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.8rem;
    background: var(--card-bg);
}

.btn-upload-cancel {
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-upload-cancel:hover {
    background: var(--border-subtle);
    color: var(--text-main);
}

.btn-upload-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.8rem;
    border-radius: var(--radius-sm);
    border: none;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    transition: var(--transition-snappy);
}

.btn-upload-submit:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-upload-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Fullscreen Drag Overlay */
.global-drag-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10040;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.global-drag-overlay.active {
    display: flex;
}

.drag-overlay-box {
    background: var(--card-bg);
    border: 3px dashed var(--primary);
    border-radius: var(--radius-xl);
    padding: 3.5rem 4.5rem;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    animation: pulseOverlay 1.8s infinite ease-in-out;
}

@keyframes pulseOverlay {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.drag-overlay-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 1.2rem;
}

.drag-overlay-box h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.drag-overlay-box p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* Toast Notifications */
.kiosk-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10100;
    background: #0f172a;
    color: #ffffff;
    padding: 1rem 1.4rem;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-left: 5px solid #10b981;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    max-width: 450px;
}

.kiosk-toast.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.kiosk-toast.error {
    border-left-color: #ef4444;
}

.kiosk-toast.warning {
    border-left-color: #f59e0b;
}

/* ==========================================================================
   8. Curator / Admin Authentication & Real Exhibition Aesthetics
   ========================================================================== */
body:not(.is-curator-admin) .curator-only {
    display: none !important;
}

body.is-curator-admin .guest-only {
    display: none !important;
}

/* Curator Bar in Header */
.curator-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #10b981;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 800;
}

.curator-status-badge .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.btn-curator-login {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    color: #e2e8f0 !important;
    font-weight: 700;
}

.btn-curator-login:hover {
    background: rgba(var(--primary-rgb), 0.25) !important;
    border-color: var(--primary) !important;
    color: #ffffff !important;
}

.btn-curator-logout {
    background: rgba(239, 68, 68, 0.15) !important;
    border: 1px solid rgba(239, 68, 68, 0.35) !important;
    color: #ef4444 !important;
}

.btn-curator-logout:hover {
    background: #ef4444 !important;
    color: #ffffff !important;
}

.folder-curator-actions {
    display: none;
    align-items: center;
    gap: 0.35rem;
}

body.is-curator-admin .folder-curator-actions {
    display: flex;
}

.btn-folder-action {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.btn-folder-action:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.btn-folder-action.danger:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: #ffffff;
}

.media-curator-bar {
    position: absolute;
    bottom: 8px;
    right: 8px;
    display: none;
    align-items: center;
    gap: 0.4rem;
    z-index: 6;
}

body.is-curator-admin .media-curator-bar {
    display: flex;
}

.btn-card-curator {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-snappy);
    backdrop-filter: blur(6px);
}

.btn-card-curator:hover {
    transform: scale(1.15);
    background: var(--primary);
}

.btn-card-curator.btn-del:hover {
    background: #ef4444;
}

.media-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(15, 23, 42, 0.82);
    color: #f8fafc;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    backdrop-filter: blur(6px);
    z-index: 4;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Curator Dialogs & Modals */
.curator-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10060;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.curator-modal.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.curator-dialog {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(36px) saturate(210%) contrast(102%);
    -webkit-backdrop-filter: blur(36px) saturate(210%) contrast(102%);
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shine), 0 32px 70px -15px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.96) translateY(10px);
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
}

.curator-modal.active .curator-dialog {
    transform: scale(1) translateY(0);
}

.curator-header {
    padding: 1.4rem 1.6rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: transparent;
}

.curator-header-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.curator-icon-bubble {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.curator-header-title h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0;
}

.curator-body {
    padding: 1.4rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.curator-footer {
    padding: 1.1rem 1.6rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .curator-footer {
    background: rgba(0, 0, 0, 0.2);
}

.pin-pad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    max-width: 280px;
    margin: 0.5rem auto 0 auto;
}

.btn-pin-digit {
    height: 52px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-main);
    font-size: 1.4rem;
    font-weight: 800;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition-snappy);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .btn-pin-digit {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-pin-digit:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

[data-theme="dark"] .btn-pin-digit:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary);
}

/* Helper Buttons & Hints */
.btn-helper-tag {
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    color: var(--primary);
    font-size: 0.74rem;
    font-weight: 700;
    padding: 0.22rem 0.65rem;
    border-radius: 20px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition-snappy);
}

.btn-helper-tag:hover {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.35);
}

.field-hint {
    display: block;
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    line-height: 1.4;
}

.btn-pin-digit:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    transform: scale(1.05);
}

/* ==========================================================================
   9. Kiosk Iframe Integration & Responsive Touches
   ========================================================================== */
html.in-iframe {
    background: transparent !important;
}

html.in-iframe body {
    background: var(--bg-main);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
}

html.in-iframe .kiosk-app-wrapper {
    max-width: 100%;
    padding: 1rem 1.25rem 2rem;
    gap: 1rem;
}

html.in-iframe .museum-header {
    padding: 1rem 1.5rem;
}

html.in-iframe .brand-title {
    font-size: 1.55rem;
}

/* Tablet & Kiosk Screen Adjustments */
@media (max-width: 1024px) {
    .museum-header {
        padding: 1.15rem 1.5rem;
    }

    .brand-title {
        font-size: 1.5rem;
    }

    .toolbar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .search-field-wrap {
        max-width: 100%;
    }

    .toolbar-end-group {
        justify-content: space-between;
    }

    .media-grid.view-comfortable {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .kiosk-app-wrapper {
        padding: 0.85rem;
        gap: 0.85rem;
    }

    .museum-header {
        padding: 1rem;
        border-radius: var(--radius-lg);
    }

    .brand-title {
        font-size: 1.3rem;
    }

    .brand-emblem {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.3rem;
    }

    .media-grid.view-comfortable {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Batch Action Bar & Select Mode Styles (Luminous Frosted Glass)
   ========================================================================== */
.batch-action-bar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9990;
    background: var(--glass-bg-elevated);
    backdrop-filter: blur(32px) saturate(220%) contrast(105%);
    -webkit-backdrop-filter: blur(32px) saturate(220%) contrast(105%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 48px -10px rgba(0, 0, 0, 0.45), var(--glass-shine);
    border-radius: 40px;
    padding: 0.6rem 1.4rem;
    animation: batchBarSlideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    max-width: 95vw;
}

@keyframes batchBarSlideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(24px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

.batch-bar-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.batch-select-info {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.batch-checkbox-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
    user-select: none;
}

.batch-checkbox-all {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.batch-count-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(var(--primary-rgb), 0.14);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.28);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.25rem 0.85rem;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

.batch-actions-group {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.btn-batch-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.15rem;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    background: var(--primary);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
    transition: var(--transition-snappy);
}

.btn-batch-action:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.4);
}

.btn-batch-action:disabled {
    opacity: 0.42;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-batch-action.danger {
    background: #ef4444;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-batch-action.danger:hover:not(:disabled) {
    background: #dc2626;
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.btn-batch-action.secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    box-shadow: none;
}

.btn-batch-action.secondary:hover {
    background: rgba(255, 255, 255, 0.22);
}

/* Card Selection Visuals */
.media-card.select-mode-active {
    cursor: pointer;
}

.media-card.is-selected {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2.5px var(--primary), 0 16px 36px rgba(var(--primary-rgb), 0.28) !important;
    transform: translateY(-3px);
}

.media-card-checkbox {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    z-index: 10;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.media-card-checkbox:hover {
    transform: scale(1.1);
    border-color: #ffffff;
}

.media-card-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.4);
}

/* Category Tab Selection Checkbox */
.cat-tab-checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 17px;
    height: 17px;
    border-radius: 4px;
    border: 1.5px solid rgba(var(--text-muted-rgb, 100, 116, 139), 0.6);
    margin-right: 0.4rem;
    font-size: 0.62rem;
    color: transparent;
    transition: all 0.18s ease;
}

.cat-tab-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.cat-tab.is-selected {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.18);
}

/* Move Modal Items Preview Box */
.move-preview-box {
    margin-top: 1rem;
    padding: 0.9rem;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--glass-border);
    max-height: 190px;
    overflow-y: auto;
}

[data-theme="dark"] .move-preview-box {
    background: rgba(255, 255, 255, 0.03);
}

.move-items-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.move-item-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.move-item-row i {
    color: var(--primary);
    font-size: 0.95rem;
}

.move-item-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.move-item-type {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
}

@media (max-width: 640px) {
    .batch-bar-inner {
        flex-direction: column;
        gap: 0.65rem;
        align-items: stretch;
    }
    .batch-actions-group {
        justify-content: flex-end;
    }
}

/* ==========================================================================
   Album & Hierarchical Folder System (Breadcrumbs, Banner & Album Cards)
   ========================================================================== */

/* 1. Breadcrumbs Trail Navigation */
.breadcrumbs-nav {
    margin: 0.75rem 0 1.25rem 0;
    padding: 0.6rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm), var(--glass-shine);
    border-radius: var(--radius-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.breadcrumbs-track {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    overflow-x: auto;
    scrollbar-width: thin;
    white-space: nowrap;
}

.breadcrumbs-track::-webkit-scrollbar {
    height: 4px;
}

.breadcrumbs-track::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.3);
    border-radius: 4px;
}

.crumb-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: var(--transition-snappy);
    text-decoration: none;
    max-width: 240px;
}

.crumb-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.crumb-btn i {
    color: var(--primary);
    font-size: 0.95rem;
}

.crumb-btn:hover {
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
}

.crumb-btn.active {
    background: rgba(var(--primary-rgb), 0.14);
    color: var(--primary);
    font-weight: 700;
    cursor: default;
}

.crumb-separator {
    color: var(--text-muted);
    opacity: 0.5;
    font-size: 0.75rem;
    user-select: none;
}

/* 2. Active Folder Header Banner */
.folder-header-banner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md), var(--glass-shine);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 1.25rem 1.6rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    flex-wrap: wrap;
}

.folder-banner-cover {
    width: 120px;
    height: 85px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--glass-border);
    background: #0f172a;
}

.folder-banner-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.folder-header-info {
    flex: 1;
    min-width: 240px;
}

.folder-parent-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
}

.folder-header-info h2 {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 0.35rem;
}

.folder-header-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.6rem;
    max-width: 750px;
}

.folder-stats-pill {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary);
}

.folder-header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.btn-cat-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    transition: var(--transition-snappy);
}

.btn-cat-action:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-cat-action.primary {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-cat-action.primary:hover {
    background: var(--primary-hover);
}

.btn-cat-action.danger {
    color: #ef4444;
}

.btn-cat-action.danger:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
}

/* 3. Sections & Section Headers */
.gallery-section {
    margin-bottom: 2.25rem;
}

.section-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section-title i {
    color: var(--primary);
}

.btn-section-action {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: var(--radius-xs);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition-snappy);
}

.btn-section-action:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* 4. Album / Folder Grid & Cards */
.folders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.35rem;
}

.folder-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm), var(--glass-shine);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.folder-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--card-hover-border);
}

.folder-card.is-selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary), var(--shadow-md);
}

.folder-thumb-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #0f172a;
    overflow: hidden;
}

.folder-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.folder-card:hover .folder-thumb-img {
    transform: scale(1.05);
}

.folder-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(200, 130, 0, 0.22) 0%, rgba(15, 23, 42, 0.95) 100%);
    color: var(--primary-light);
    font-size: 3rem;
}

.folder-type-badge {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    background: rgba(15, 23, 42, 0.75);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.folder-badge-count {
    position: absolute;
    bottom: 0.65rem;
    left: 0.65rem;
    background: rgba(15, 23, 42, 0.85);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.folder-card-checkbox {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.75);
    border: 2px solid #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    cursor: pointer;
    transition: var(--transition-snappy);
    z-index: 5;
}

.folder-card-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.folder-curator-bar {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    display: flex;
    gap: 0.4rem;
    opacity: 0;
    transform: translateY(-4px);
    transition: var(--transition-snappy);
    z-index: 4;
}

.folder-card:hover .folder-curator-bar {
    opacity: 1;
    transform: translateY(0);
}

.folder-card.select-mode-active .folder-curator-bar {
    display: none;
}

.folder-card-body {
    padding: 0.95rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
}

.folder-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.35;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.folder-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 5. Folder Cover Uploader in Modal */
.folder-cover-uploader {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.02);
    cursor: pointer;
    transition: var(--transition-snappy);
}

[data-theme="dark"] .folder-cover-uploader {
    background: rgba(255, 255, 255, 0.02);
}

.folder-cover-uploader:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
}

.folder-cover-preview-box {
    position: relative;
    max-height: 190px;
    overflow: hidden;
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-sm);
}

.folder-preview-img {
    width: 100%;
    max-height: 190px;
    object-fit: cover;
    display: block;
}

.btn-remove-cover {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.92);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: var(--transition-snappy);
}

.btn-remove-cover:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.folder-cover-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
}

.folder-cover-prompt i {
    font-size: 1.8rem;
    color: var(--primary);
}

.folder-cover-prompt span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.folder-cover-prompt small {
    font-size: 0.76rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Drag & Drop Interactive Reordering & Drop Targets
   ========================================================================== */
.folder-card[draggable="true"],
.media-card[draggable="true"] {
    cursor: grab;
}

.folder-card[draggable="true"]:active,
.media-card[draggable="true"]:active {
    cursor: grabbing;
}

.is-dragging {
    opacity: 0.35 !important;
    transform: scale(0.96) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25) !important;
    outline: 2px dashed var(--primary) !important;
    outline-offset: 4px;
    filter: grayscale(20%);
}

.drag-over-marker {
    position: relative;
}

.drag-over-marker::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
    border-radius: 4px;
    box-shadow: 0 0 12px var(--primary);
    z-index: 20;
    pointer-events: none;
    animation: markerPulse 1s infinite alternate;
}

.drag-over-left::before {
    left: -8px;
}

.drag-over-right::before {
    right: -8px;
}

@keyframes markerPulse {
    from { opacity: 0.7; transform: scaleY(0.95); }
    to { opacity: 1; transform: scaleY(1); }
}

/* Drop target on folder card when dragging archive into it */
.folder-card.drop-target-active {
    border-color: #fbbf24 !important;
    background: rgba(var(--primary-rgb), 0.15) !important;
    box-shadow: 0 0 0 3px #fbbf24, 0 10px 30px rgba(var(--primary-rgb), 0.4) !important;
    transform: scale(1.03) translateY(-4px) !important;
}

.folder-card.drop-target-active .folder-thumb-wrap::after {
    content: 'Pindahkan ke Folder Ini';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fbbf24;
    font-size: 0.85rem;
    font-weight: 800;
    text-align: center;
    padding: 0.5rem;
    letter-spacing: 0.5px;
    z-index: 10;
}