/* ==========================================================================
   115 CLOUD STUDIO — INDUSTRIAL MONOCHROME & CINEMA AMBER DESIGN SYSTEM
   Crafted with True Neutral Surfaces (Zero AI Neon / Zero Purple-Cyan Gradients)
   ========================================================================== */

:root {
    /* Surface Palette — Warm Editorial Stone & Pure White */
    --background:           #ffffff;
    --bg-dark:              #f5f5f4;
    --bg-card:              #ffffff;
    --bg-card-hover:        #ffffff;
    --bg-popover:           rgba(255, 255, 255, 0.96);
    --bg-muted:             #efefed;
    --bg-input:             #ffffff;
    --bg-secondary:         #efefed;
    --bg-overlay:           rgba(245, 245, 244, 0.88);
    --bg-thumb-placeholder: #e7e7e4;
    --bg-video-preview:     #111111;
    --bg-sha-box:           #f5f5f4;

    /* Glassmorphism Tokens — Neutral Matte Glass */
    --glass-thin:           rgba(255, 255, 255, 0.78);
    --glass-regular:        rgba(255, 255, 255, 0.90);
    --glass-thick:          rgba(255, 255, 255, 0.97);
    --glass-border:         rgba(0, 0, 0, 0.08);
    --glass-border-hover:   rgba(0, 0, 0, 0.20);
    --glass-shadow:         0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --glass-shadow-hover:   0 10px 24px -4px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
    --glass-blur:           blur(20px) saturate(140%);
    --glass-blur-thick:     blur(32px) saturate(140%);

    /* Borders */
    --border-color:         rgba(0, 0, 0, 0.08);
    --border-color-hover:   rgba(0, 0, 0, 0.22);
    --border-input:         rgba(0, 0, 0, 0.14);

    /* Typography Colors — Carbon Ink & Warm Graphite */
    --text-primary:         #141413;
    --text-secondary:       #575653;
    --text-muted:           #8a8986;

    /* Tactile Monochrome & Classic Cinema Accents */
    --accent-primary-bg:    #18181b;
    --accent-primary-fg:    #ffffff;
    --accent-color:         #18181b;
    --accent-blue:          #18181b;
    --accent-cyan:          #575653;
    --accent-purple:        #575653;
    --accent-error:         #dc2626;
    --accent-success:       #16a34a;
    --accent-amber:         #d97706;

    /* Focus Ring */
    --ring-color:           rgba(24, 24, 27, 0.12);
    --ring-offset:          #ffffff;

    /* Elevation Shadows — Pure Neutral Ambient Shadows */
    --shadow-sm:            0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-card:          var(--glass-shadow);
    --shadow-card-hover:    var(--glass-shadow-hover);
    --shadow-modal:         0 24px 60px -12px rgba(0, 0, 0, 0.18);
    --shadow-app-header:    0 1px 0 rgba(0, 0, 0, 0.06);

    /* Border Radius Scale */
    --radius-sm:            0.5rem;
    --radius:               0.75rem;
    --radius-md:            0.875rem;
    --radius-lg:            1rem;
    --radius-xl:            1.125rem;
    --radius-2xl:           1.5rem;
    --border-radius:        0.875rem;

    /* Navigation & Interactive Tokens */
    --bg-progress-bar:      rgba(255, 255, 255, 0.28);
    --tab-active-color:     #141413;
    --tab-hover-color:      #141413;
    --tab-hover-bg:         rgba(0, 0, 0, 0.04);
    --breadcrumb-hover:     #141413;
    --link-hover-color:     #141413;

    --btn-secondary-bg:           #efefed;
    --btn-secondary-hover-bg:     #e4e4e1;
    --btn-secondary-hover-border: rgba(0, 0, 0, 0.18);

    --scrollbar-thumb:      rgba(0, 0, 0, 0.18);
    --color-spec-value:     var(--text-primary);

    /* Typography Families */
    --font-outfit: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-inter:  'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono:   ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --transition-smooth: all 0.22s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast:   all 0.15s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
    /* Surface Palette — True Carbon & Anodized Graphite (Zero Blue/Purple Undertone) */
    --background:           #0d0d0d;
    --bg-dark:              #0d0d0d;
    --bg-card:              #161616;
    --bg-card-hover:        #1e1e1e;
    --bg-popover:           rgba(24, 24, 24, 0.96);
    --bg-muted:             rgba(255, 255, 255, 0.06);
    --bg-input:             #121212;
    --bg-secondary:         rgba(255, 255, 255, 0.07);
    --bg-overlay:           rgba(13, 13, 13, 0.86);
    --bg-thumb-placeholder: #1c1c1c;
    --bg-video-preview:     #050505;
    --bg-sha-box:           rgba(255, 255, 255, 0.04);

    /* Glassmorphism Tokens */
    --glass-thin:           rgba(22, 22, 22, 0.72);
    --glass-regular:        rgba(26, 26, 26, 0.88);
    --glass-thick:          rgba(22, 22, 22, 0.96);
    --glass-border:         rgba(255, 255, 255, 0.08);
    --glass-border-hover:   rgba(255, 255, 255, 0.22);
    --glass-shadow:         0 6px 20px -4px rgba(0, 0, 0, 0.55);
    --glass-shadow-hover:   0 14px 32px -6px rgba(0, 0, 0, 0.75);

    /* Borders */
    --border-color:         rgba(255, 255, 255, 0.08);
    --border-color-hover:   rgba(255, 255, 255, 0.22);
    --border-input:         rgba(255, 255, 255, 0.12);

    /* Typography Colors */
    --text-primary:         #f2f2f0;
    --text-secondary:       #a1a19d;
    --text-muted:           #6e6e6a;

    /* Tactile Monochrome & Classic Cinema Accents */
    --accent-primary-bg:    #ededeb;
    --accent-primary-fg:    #111111;
    --accent-color:         #ededeb;
    --accent-blue:          #ededeb;
    --accent-cyan:          #a1a19d;
    --accent-purple:        #a1a19d;
    --accent-error:         #ef4444;
    --accent-success:       #22c55e;
    --accent-amber:         #e59500;

    /* Focus Ring */
    --ring-color:           rgba(255, 255, 255, 0.14);
    --ring-offset:          #0d0d0d;

    /* Shadows */
    --shadow-sm:            0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-card:          var(--glass-shadow);
    --shadow-card-hover:    var(--glass-shadow-hover);
    --shadow-modal:         0 28px 72px -12px rgba(0, 0, 0, 0.85);
    --shadow-app-header:    0 1px 0 rgba(255, 255, 255, 0.06);

    /* Navigation & Interactive Tokens */
    --tab-active-color:     #111111;
    --tab-hover-color:      #f2f2f0;
    --tab-hover-bg:         rgba(255, 255, 255, 0.06);
    --breadcrumb-hover:     #f2f2f0;
    --link-hover-color:     #ffffff;

    --btn-secondary-bg:           rgba(255, 255, 255, 0.07);
    --btn-secondary-hover-bg:     rgba(255, 255, 255, 0.12);
    --btn-secondary-hover-border: rgba(255, 255, 255, 0.20);

    --scrollbar-thumb:      rgba(255, 255, 255, 0.18);
    --color-spec-value:     #f2f2f0;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-inter);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.22s ease, color 0.22s ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   APP SHELL & UNIFIED STICKY HEADER
   ========================================================================== */

.app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.75rem 3rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Desktop Navigation Tabs: Sleek Top Segmented Bar */
.tabs-buttons {
    order: -1;
    position: sticky;
    top: 0.85rem;
    z-index: 102;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    height: 44px;
    margin: 0 auto -4.25rem auto;
    padding: 0.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    pointer-events: auto;
    width: fit-content;
}

.tab-btn {
    pointer-events: auto;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-inter);
    cursor: pointer;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.tab-btn i {
    font-size: 0.85rem;
    opacity: 0.85;
}

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

.tab-btn.active {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    border-color: transparent;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.14);
}

/* Sticky Top Bar Container */
.sticky-top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-overlay) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    margin: 0 -1.75rem;
    padding: 0.85rem 1.75rem 0.9rem 1.75rem;
    border-bottom: 1px solid var(--border-color) !important;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    box-shadow: var(--shadow-app-header) !important;
}

/* Primary Header Row */
.app-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
    min-height: 44px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--accent-primary-bg);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.02rem;
    color: var(--accent-primary-fg);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    flex-shrink: 0;
}

.brand-text-group {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.header-logo h1 {
    font-family: var(--font-outfit);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.header-logo h1 span {
    color: var(--text-secondary);
    font-weight: 500;
}

.brand-subtitle {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Right Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.btn-icon-only {
    width: 38px;
    height: 38px;
    padding: 0 !important;
    border-radius: 10px !important;
    flex-shrink: 0;
}

#refresh-btn:hover i {
    transform: rotate(45deg);
    transition: transform 0.25s ease;
}

/* User Profile Capsule */
.user-profile {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: var(--bg-secondary);
    padding: 0.35rem 0.8rem 0.35rem 0.45rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
    height: 38px;
}

.user-profile:hover {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--border-color-hover);
}

.user-avatar {
    width: 26px;
    height: 26px;
    background: var(--accent-primary-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.72rem;
    color: var(--accent-primary-fg);
}

.user-profile .username {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
}

.profile-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-success);
    box-shadow: 0 0 8px var(--accent-success);
}

/* ==========================================================================
   SECONDARY WORKSPACE BAR (BREADCRUMBS + CONTROLS)
   ========================================================================== */

.tabs-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 0.2rem;
}

.breadcrumb-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1 1 auto;
    min-width: 0;
}

.btn-back-circle {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.btn-back-circle:hover {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--border-color-hover);
    transform: translateX(-2px);
}

.breadcrumb-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0.2rem 0.45rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    flex-shrink: 0;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    min-width: 0;
}

.breadcrumb-item {
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.86rem;
    font-weight: 500;
    padding: 0.28rem 0.6rem;
    border-radius: 8px;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.breadcrumb-item:hover {
    color: var(--accent-blue);
    background: var(--bg-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    background: var(--bg-secondary);
    font-weight: 600;
    cursor: default;
    pointer-events: none;
}

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 0.7rem;
    opacity: 0.6;
}

.btn-random-pill {
    margin-left: 0.5rem;
    height: 34px;
    padding: 0 0.9rem !important;
    font-size: 0.82rem !important;
    border-radius: 999px !important;
    flex-shrink: 0;
    background: var(--accent-primary-bg) !important;
    border: 1px solid transparent !important;
    color: var(--accent-primary-fg) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn-random-pill:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}

/* Search & Sort Right Controls */
.controls-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.65rem;
    margin-left: auto;
}

.sort-container {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 10px;
    padding: 0 0.75rem;
    height: 36px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.sort-container:focus-within,
.sort-container:hover {
    border-color: var(--border-color-hover);
}

.sort-icon {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-right: 0.45rem;
}

.sort-select {
    background: transparent !important;
    border: none !important;
    color: var(--text-primary) !important;
    font-family: var(--font-inter) !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    outline: none !important;
    cursor: pointer !important;
    padding-right: 0.25rem;
    box-shadow: none !important;
}

.sort-select option {
    background-color: var(--background);
    color: var(--text-primary);
    padding: 8px 12px;
}

[data-theme="dark"] .sort-select option {
    background-color: #181818;
    color: #f2f2f0;
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 10px;
    padding: 0 0.8rem;
    height: 36px;
    width: 240px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.search-bar:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--ring-color);
    width: 290px;
}

.search-icon {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-right: 0.5rem;
}

#search-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-inter);
    font-size: 0.84rem;
    width: 100%;
    outline: none;
}

#search-input::placeholder {
    color: var(--text-muted);
}

.search-clear-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0 0.2rem;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

.search-clear-btn:hover {
    color: var(--accent-error);
}

/* ==========================================================================
   BUTTON SYSTEM
   ========================================================================== */

.btn {
    padding: 0.55rem 1.05rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    font-family: var(--font-inter);
    cursor: pointer;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: var(--transition-fast);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
    outline: none;
}

.btn:active:not(:disabled) {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    border-color: transparent;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
    opacity: 0.90;
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--btn-secondary-hover-border);
}

.btn-accent {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    border-color: transparent;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn-accent:hover {
    opacity: 0.90;
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   WORKSPACE STATES (LOADING, EMPTY, ERROR)
   ========================================================================== */

.app-main {
    position: relative;
    min-height: 540px;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.1rem;
    z-index: 10;
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(8px);
}

.spinner {
    width: 42px;
    height: 42px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

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

.loading-overlay p {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.error-container,
.empty-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: 3.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 460px;
    margin: 4rem auto;
    box-shadow: var(--shadow-card);
}

.state-icon-wrap {
    width: 68px;
    height: 68px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.25rem;
}

.state-icon-wrap.error {
    background: rgba(239, 68, 68, 0.12);
}

.state-icon-wrap.empty {
    background: var(--bg-secondary);
}

.error-icon {
    font-size: 2rem;
    color: var(--accent-error);
}

.empty-icon {
    font-size: 2rem;
    color: var(--accent-blue);
}

.error-container h3,
.empty-container h3 {
    font-size: 1.25rem;
    font-family: var(--font-outfit);
    font-weight: 700;
}

.error-container p,
.empty-container p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.55;
}

/* ==========================================================================
   MEDIA GRID & STUDIO CARDS (FOLDER, VIDEO, IMAGE, FILE)
   ========================================================================== */

.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.item-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border-radius: var(--radius-xl);
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    cursor: pointer;
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
                border-color 0.22s ease,
                box-shadow 0.22s ease,
                background-color 0.22s ease;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.32s ease both;
}

.item-card:hover {
    background: var(--bg-card-hover) !important;
    border-color: var(--border-color-hover) !important;
    box-shadow: var(--shadow-card-hover) !important;
    transform: translateY(-3px);
}

.item-card:active {
    transform: translateY(-1px) scale(0.99);
}

/* Folder Card — Sleek Studio Directory Tile */
.folder-card {
    justify-content: space-between;
    min-height: 148px;
}

.folder-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.folder-card .card-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: rgba(217, 119, 6, 0.10);
    border: 1px solid rgba(217, 119, 6, 0.20);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--accent-amber);
    transition: var(--transition-fast);
}

.folder-enter-badge {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition-fast);
}

.folder-card:hover .folder-enter-badge {
    opacity: 1;
    transform: translateX(0);
    color: var(--accent-blue);
}

.card-title {
    font-weight: 600;
    font-size: 0.94rem;
    line-height: 1.45;
    color: var(--text-primary);
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.18rem 0.5rem;
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 500;
}

.folder-action-hint {
    font-size: 0.74rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.folder-card:hover .folder-action-hint {
    color: var(--accent-blue);
}

/* Generic File Card */
.file-card {
    min-height: 148px;
}

.file-card .card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-secondary);
    font-size: 1.35rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-card.zip .card-icon { color: var(--accent-amber); background: rgba(217, 119, 6, 0.12); }
.file-card.image .card-icon { color: #10b981; background: rgba(16, 185, 129, 0.12); }

/* Video Card — Cinema 16:9 Widescreen Frame */
.video-card {
    padding: 0 !important;
    gap: 0 !important;
    display: flex;
    flex-direction: column;
}

.video-thumb-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    background-color: var(--bg-thumb-placeholder);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.video-thumb-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 45%);
    pointer-events: none;
    z-index: 1;
}

.video-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.video-thumb-placeholder {
    font-size: 2rem;
    color: var(--text-muted);
    opacity: 0.45;
}

.video-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    z-index: 2;
    background: rgba(12, 12, 12, 0.80);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: #f8fafc;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.88);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.94);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #0f172a;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transition: var(--transition-fast);
    pointer-events: none;
    z-index: 2;
}

.video-play-btn i {
    margin-left: 2px;
}

.video-card:hover .video-play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.video-card-body {
    padding: 0.9rem 1rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    flex-grow: 1;
}

.video-card .card-title {
    font-size: 0.9rem;
}

/* ==========================================================================
   MODALS (VIDEO DETAIL, SETTINGS, QR LOGIN, FOLDER LOCK)
   ========================================================================== */

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: flex !important;
    visibility: hidden;
    transition: visibility 0.3s, opacity 0.3s ease;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65) !important;
    backdrop-filter: blur(16px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(160%) !important;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    padding: 1.25rem;
    opacity: 1;
    visibility: visible;
    transition: visibility 0.3s, opacity 0.3s ease;
}

#image-viewer-modal {
    background: #000000 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: none !important;
}

.modal-overlay.hidden .modal-card {
    transform: scale(0.96) translateY(12px);
    opacity: 0;
}

.modal-card {
    background: var(--bg-popover) !important;
    backdrop-filter: var(--glass-blur-thick) !important;
    -webkit-backdrop-filter: var(--glass-blur-thick) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 920px;
    box-shadow: var(--shadow-modal) !important;
    overflow: hidden;
    position: relative;
    transform: scale(1) translateY(0);
    opacity: 1;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease;
}

.modal-card-small {
    max-width: 480px;
}

.modal-close {
    position: absolute;
    top: 1.15rem;
    right: 1.15rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.14);
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--accent-error);
    transform: rotate(90deg);
}

.modal-body {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.modal-video-preview {
    flex: 1 1 460px;
    min-height: 360px;
    background-color: var(--bg-video-preview);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border-right: 1px solid var(--border-color);
}

#modal-video-player {
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 5;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000;
}

.modal-bg-cover {
    position: absolute;
    inset: -24px;
    background-size: cover;
    background-position: center;
    filter: blur(22px);
    opacity: 0.35;
    z-index: 0;
}

#modal-thumbnail {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    z-index: 1;
    border-radius: 10px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.65);
}

.play-overlay {
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.94);
    color: #111111;
    font-size: 1.35rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    z-index: 2;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.play-overlay:hover {
    transform: scale(1.08);
}

.modal-details {
    flex: 1 1 360px;
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    justify-content: center;
}

.tag-video {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

#modal-title {
    font-family: var(--font-outfit);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    word-break: break-word;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.9rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.spec-item-full {
    grid-column: span 2;
}

.spec-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.spec-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-spec-value);
}

#modal-sha1 {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    background: var(--bg-sha-box);
    padding: 0.45rem 0.65rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    word-break: break-all;
}

.modal-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.external-players-section {
    margin-top: 0.4rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border-color);
}

.section-title-small {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.55rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

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

/* Modal Column Layout (Settings & Folder Lock) */
.modal-body-column {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    width: 100%;
}

.modal-header-block {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding-right: 2rem;
}

.modal-header-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.modal-header-block h2 {
    font-family: var(--font-outfit);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.25;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.45;
    margin-top: 0.25rem;
}

.lock-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-top: 0.25rem;
}

/* ==========================================================================
   AUTHENTICATION SCREEN
   ========================================================================== */

.auth-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: flex !important;
    visibility: hidden;
}

.auth-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-dark);
    z-index: 200;
    padding: 1.5rem;
}

.auth-card {
    background: var(--bg-card) !important;
    backdrop-filter: var(--glass-blur-thick) !important;
    -webkit-backdrop-filter: var(--glass-blur-thick) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-2xl);
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-modal) !important;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    position: relative;
}

.auth-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
}

.auth-logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 1.35rem;
    margin-bottom: 0.2rem;
}

.auth-brand-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
}

.auth-header h2 {
    font-family: var(--font-outfit);
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.auth-header h2 span {
    color: var(--text-secondary);
    font-weight: 500;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.auth-form,
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.form-group input,
.form-group textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    color: var(--text-primary);
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    font-family: var(--font-inter);
    font-size: 0.86rem;
    transition: var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--ring-color);
}

.form-group textarea {
    resize: vertical;
}

.auth-submit-btn {
    height: 42px;
    margin-top: 0.25rem;
}

.auth-footer {
    text-align: center;
    font-size: 0.84rem;
}

.auth-footer a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.auth-error-msg {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.28);
    color: var(--accent-error);
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    font-size: 0.82rem;
    text-align: center;
}

.input-help {
    font-size: 0.74rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.settings-msg {
    background: rgba(16, 185, 129, 0.14);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-success);
    padding: 0.7rem;
    border-radius: 10px;
    font-size: 0.82rem;
    text-align: center;
}

.settings-msg.error {
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--accent-error);
}

/* ==========================================================================
   QR LOGIN SECTION & QR MODAL
   ========================================================================== */

.qr-login-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.qr-login-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.qr-login-header i {
    color: var(--accent-blue);
}

.qr-badge {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    margin-left: auto;
}

.qr-login-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.qr-login-btn {
    height: 40px;
}

.settings-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 500;
}

.settings-divider::before,
.settings-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.qr-modal-card {
    max-width: 400px !important;
    width: 92vw;
}

.qr-modal-body {
    padding: 2rem 1.75rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.15rem;
    text-align: center;
}

.qr-modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
}

.qr-modal-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-primary-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-primary-fg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.qr-modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-outfit);
}

.qr-status-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.qr-image-wrapper {
    width: 210px;
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    position: relative;
    overflow: hidden;
}

.qr-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    color: #475569;
    font-size: 0.82rem;
}

.qr-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(0, 0, 0, 0.12);
    border-top-color: #18181b;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.qr-img-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.qr-code-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.qr-overlay-scanned,
.qr-overlay-expired {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.94);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #0f172a;
    backdrop-filter: blur(4px);
}

.qr-overlay-scanned i { font-size: 2.2rem; color: #10b981; }
.qr-overlay-expired i { font-size: 1.9rem; color: #f59e0b; }

.qr-steps {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    width: 100%;
}

.qr-step {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: left;
}

.qr-step-num {
    width: 20px;
    height: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.qr-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding: 0.75rem;
    width: 100%;
}

.qr-success-icon { font-size: 2.6rem; color: #10b981; }
.qr-error-icon   { font-size: 2.2rem; color: var(--accent-error); }
.qr-result h3    { font-size: 1.05rem; font-weight: 700; color: #10b981; }
.qr-result p     { font-size: 0.82rem; color: var(--text-secondary); }

/* History Progress Bar in Video Cards */
.video-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-progress-bar);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 3;
}

.video-progress-fill {
    height: 100%;
    background: var(--accent-amber);
}

.btn-secondary.active {
    background: var(--accent-primary-bg);
    border-color: transparent;
    color: var(--accent-primary-fg);
}

.auth-theme-toggle {
    position: absolute;
    top: 1.15rem;
    right: 1.15rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-fast);
}

.auth-theme-toggle:hover {
    border-color: var(--border-color-hover);
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVENESS
   ========================================================================== */

@media (max-width: 768px) {
    body {
        padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)) !important;
    }

    body:has(#search-input:focus) .tabs-buttons {
        display: none !important;
    }

    .app-container {
        padding: 0 0.85rem 1.5rem 0.85rem;
        gap: 1rem;
    }

    .sticky-top-bar {
        margin: 0 -0.85rem !important;
        padding: calc(0.75rem + env(safe-area-inset-top, 0px)) 0.85rem 0.7rem 0.85rem !important;
        gap: 0.65rem !important;
        z-index: 990 !important;
    }

    .brand-subtitle {
        display: none;
    }

    .header-logo h1 {
        font-size: 1.18rem !important;
    }

    .user-profile .username {
        max-width: 72px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 0.78rem;
    }

    .btn-icon-only {
        width: 34px;
        height: 34px;
    }

    .tabs-container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.55rem;
    }

    .breadcrumb-container {
        width: 100%;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .breadcrumb-container::-webkit-scrollbar {
        display: none;
    }

    .breadcrumb-label {
        display: none;
    }

    .breadcrumbs {
        flex-wrap: nowrap;
        white-space: nowrap;
        overflow-x: auto;
        flex: 1;
    }

    .btn-random-pill span {
        display: none;
    }

    .btn-random-pill {
        padding: 0 0.65rem !important;
    }

    .controls-right {
        width: 100%;
        margin-left: 0;
        gap: 0.5rem;
    }

    .sort-container {
        max-width: 145px;
        flex-shrink: 0;
    }

    .search-bar,
    .search-bar:focus-within {
        flex: 1;
        width: auto;
    }

    /* Mobile Bottom Tab Bar */
    .tabs-buttons {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        order: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        pointer-events: auto !important;
        background: var(--bg-popover) !important;
        backdrop-filter: var(--glass-blur-thick) !important;
        -webkit-backdrop-filter: var(--glass-blur-thick) !important;
        border-top: 1px solid var(--border-color) !important;
        display: flex !important;
        justify-content: space-around !important;
        align-items: center !important;
        height: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
        padding: 0 0.75rem env(safe-area-inset-bottom, 0px) 0.75rem !important;
        z-index: 1000 !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08) !important;
    }

    .tab-btn {
        flex: 1 !important;
        height: 100% !important;
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        flex-direction: column !important;
        justify-content: center !important;
        gap: 3px !important;
        font-size: 0.72rem !important;
        padding: 4px 0 !important;
        color: var(--text-muted) !important;
    }

    .tab-btn i {
        font-size: 1.1rem !important;
    }

    .tab-btn.active {
        background: transparent !important;
        color: var(--accent-blue) !important;
        box-shadow: none !important;
    }

    /* Mobile 2-Column Compact Media Grid */
    .files-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }

    .folder-card,
    .file-card {
        min-height: 118px;
        padding: 0.85rem;
    }

    .card-title {
        font-size: 0.84rem;
    }

    .video-card-body {
        padding: 0.65rem 0.75rem 0.75rem;
    }

    .video-play-btn {
        opacity: 0.88 !important;
        transform: translate(-50%, -50%) scale(0.92) !important;
        width: 38px;
        height: 38px;
    }

    .modal-body {
        flex-direction: column;
    }

    .modal-video-preview {
        flex: none;
        width: 100%;
        min-height: 0;
        aspect-ratio: 16 / 9;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .modal-details {
        padding: 1.25rem;
    }
}

/* Image Card Styles — Edge-to-Edge Studio Frame */
.image-card {
    cursor: pointer;
    padding: 0 !important;
    gap: 0 !important;
}

.image-thumb-container {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    background: var(--bg-thumb-placeholder);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.image-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.image-thumb-placeholder {
    font-size: 3rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.image-view-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    font-size: 2rem;
    color: #fff;
    pointer-events: none;
}

.image-card:hover .image-view-overlay {
    opacity: 1;
}

.image-card-body {
    padding: 0.85rem 1rem 0.95rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    flex-grow: 1;
}

/* Manga Scroll Mode Image Wrapper and Badge Positioning */
.viewer-scroll-container {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 25vh;
}

.viewer-page-item {
    contain: layout;
    /* Position is maintained explicitly when image dimensions become known. */
    overflow-anchor: none;
}

#viewer-scroll-container {
    overflow-anchor: none;
}

.viewer-img-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    aspect-ratio: 1 / 1.414;
}

.viewer-scroll-container.mode-full .viewer-img-wrapper {
    max-width: 100% !important;
}

.viewer-scroll-container.mode-standard .viewer-img-wrapper {
    max-width: 820px;
}

.viewer-img-wrapper img {
    position: absolute;
    top: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.18s ease-out;
    background: transparent;
}

.viewer-img-wrapper img.loaded {
    opacity: 1;
}

/* Page badge in bottom-right corner of each image (e.g. 2 / 13) */
.viewer-img-page-tag {
    position: absolute;
    bottom: 10px;
    right: 12px;
    z-index: 4;
    background: rgba(10, 11, 14, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(248, 250, 252, 0.9);
    font-size: 0.72rem;
    font-weight: 500;
    line-height: 1;
    padding: 4px 9px;
    border-radius: 10px;
    letter-spacing: 0.5px;
    pointer-events: none;
    user-select: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.viewer-img-wrapper:hover .viewer-img-page-tag {
    opacity: 1;
}

/* Lightweight Minimalist Dark Reader Loading Placeholder (Zero GPU animations) */
.viewer-page-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: #121316;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    user-select: none;
    contain: layout paint;
}

/* Static, elegant dark central loading card */
.viewer-placeholder-card {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(22, 23, 27, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    color: #94a3b8;
    font-size: 0.85rem;
}

.viewer-placeholder-card i {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.viewer-page-error {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 21, 25, 0.95);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 28px 20px;
    margin: 0;
    color: #e2e8f0;
    text-align: center;
    user-select: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.viewer-page-error i {
    font-size: 1.6rem;
    color: #fb7185;
}

.viewer-retry-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 7px 18px;
    border-radius: 16px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.viewer-retry-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.3);
}

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

/* Chapter Divider Banner - Clean Dark Neutral */
.viewer-chapter-banner {
    width: 100%;
    max-width: 820px;
    margin: 28px auto 18px;
    padding: 14px 20px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.04), transparent);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

@media (max-width: 768px) {
    .viewer-img-wrapper {
        max-width: 100% !important;
    }
    .viewer-scroll-container.mode-standard .viewer-img-wrapper {
        max-width: 100% !important;
    }
    .viewer-chapter-banner {
        max-width: 100% !important;
        margin: 20px auto 15px;
        font-size: 0.85rem;
    }
}

/* ==========================================================================
   FLOATING CONTROL WIDGET (BACK TO TOP)
   ========================================================================== */
.floating-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 999;
    transition: var(--transition-smooth);
}

.float-btn {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-card);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.float-btn:hover {
    transform: translateY(-2px);
    background: var(--accent-primary-bg);
    border-color: transparent;
    color: var(--accent-primary-fg);
    box-shadow: var(--shadow-card-hover);
}

.float-btn:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .floating-widget {
        bottom: calc(74px + env(safe-area-inset-bottom, 0px));
        right: 1rem;
    }
    .float-btn {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 0.92rem;
    }
}

/* ==========================================================================
   IMAGE VIEWER OVERLAY CONTROLS (STUDIO OBSIDIAN ALIGNED)
   ========================================================================== */

.viewer-overlay-controls {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1010;
    pointer-events: none;
    transition: opacity 0.28s ease;
}

.viewer-overlay-controls > * {
    pointer-events: auto;
}

.viewer-controls-hidden {
    opacity: 0;
    pointer-events: none !important;
}

.viewer-controls-hidden > * {
    pointer-events: none !important;
}

.viewer-controls-visible {
    opacity: 1;
}

.viewer-overlay-controls .viewer-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: calc(14px + env(safe-area-inset-top, 0px)) 22px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.42) 72%, transparent);
    z-index: 1012;
}

.viewer-title-text {
    font-family: var(--font-outfit);
    font-size: 1.02rem;
    font-weight: 600;
    color: #f8fafc;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
    max-width: 55%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.viewer-overlay-controls .viewer-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.viewer-ctrl-btn {
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #f8fafc;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font-inter);
    transition: all 0.2s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.viewer-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-1px);
}

.viewer-ctrl-btn:active {
    transform: scale(0.95);
}

.viewer-ctrl-btn.viewer-close-btn {
    font-size: 1.1rem;
    padding: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.viewer-ctrl-btn.viewer-close-btn:hover {
    background: rgba(239, 68, 68, 0.22);
    border-color: rgba(239, 68, 68, 0.45);
    color: #f87171;
    transform: rotate(90deg);
}

/* Single-page Nav Arrows */
.viewer-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1011;
    background: rgba(20, 20, 20, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #f8fafc;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.viewer-nav-btn:hover {
    background: rgba(255, 255, 255, 0.92);
    color: #111111;
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

.viewer-nav-btn:active {
    transform: translateY(-50%) scale(0.92);
}

.viewer-nav-prev { left: 18px; }
.viewer-nav-next { right: 18px; }

/* Floating Page Badge (Bottom-Right) */
.viewer-page-badge {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 1015;
    background: rgba(20, 20, 20, 0.82);
    color: #f8fafc;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
    pointer-events: none;
    user-select: none;
}

@media (max-width: 768px) {
    .viewer-overlay-controls .viewer-header {
        padding: calc(12px + env(safe-area-inset-top, 0px)) 14px 14px;
    }

    #viewer-title {
        display: none !important;
    }

    .viewer-overlay-controls .viewer-controls {
        width: 100%;
        justify-content: flex-end;
        gap: 8px;
    }

    .viewer-nav-btn {
        width: 38px;
        height: 38px;
        font-size: 0.95rem;
    }

    .viewer-nav-prev { left: 10px; }
    .viewer-nav-next { right: 10px; }

    .viewer-page-badge {
        bottom: 16px;
        right: 16px;
        font-size: 0.74rem;
        padding: 5px 12px;
    }

    .viewer-ctrl-btn#btn-viewer-mode {
        width: 36px;
        height: 36px;
        padding: 0;
        border-radius: 50%;
    }

    .viewer-ctrl-btn#btn-viewer-mode span {
        display: none;
    }
}

/* ==========================================================================
   PAGINATION BAR (STUDIO ALIGNED)
   ========================================================================== */
.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 0.75rem 2rem;
    flex-wrap: wrap;
}
.pagination-bar.hidden { display: none !important; }

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
    user-select: none;
}

.page-btn:hover:not(:disabled) {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.page-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.page-btn.active {
    background: var(--accent-primary-bg);
    color: var(--accent-primary-fg);
    border-color: transparent;
    font-weight: 700;
}

.page-info {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0 0.65rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* ==========================================================================
   SCROLL VIEWER UX ENHANCEMENTS (GAP, ZOOM, SCRUBBER, RESUME TOAST)
   ========================================================================== */
.viewer-scroll-container.gap-spaced .viewer-page-item {
    margin-bottom: 14px;
}

.viewer-scroll-container.gap-spaced .viewer-img-wrapper {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.6);
}

.viewer-scroll-container.gap-seamless .viewer-page-item {
    margin-bottom: 0;
}

.viewer-img-wrapper.scroll-zoomed {
    max-width: min(1640px, 195vw) !important;
    cursor: zoom-out;
}

.viewer-ctrl-btn.active {
    background: #ededeb;
    border: 1px solid #ffffff;
    color: #111111;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.viewer-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px 22px calc(16px + env(safe-area-inset-bottom, 0px));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.90), rgba(0, 0, 0, 0.45) 75%, transparent);
    z-index: 1012;
}

.viewer-slider-wrap {
    flex: 1;
    max-width: 560px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(22, 22, 22, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 8px 16px;
    border-radius: 999px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.viewer-page-slider {
    flex: 1;
    accent-color: #e59500;
    height: 5px;
    cursor: pointer;
}

.viewer-slider-label {
    color: #f8fafc;
    font-size: 0.8rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    min-width: 64px;
    text-align: right;
    white-space: nowrap;
}

.viewer-chapter-btn {
    white-space: nowrap;
    border-radius: 999px;
    padding: 0 15px;
}

.viewer-resume-toast {
    position: fixed;
    bottom: 78px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1020;
    background: rgba(22, 22, 22, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #f8fafc;
    padding: 8px 16px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.84rem;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.viewer-resume-toast.hidden {
    display: none !important;
}

.viewer-resume-btn {
    background: #ededeb;
    color: #111111;
    border: none;
    border-radius: 999px;
    padding: 5px 13px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}

.image-read-badge {
    position: absolute;
    bottom: 8px;
    left: 8px;
    z-index: 3;
    background: rgba(18, 18, 18, 0.84);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #f2f2f0;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

@media (max-width: 768px) {
    .viewer-bottom-bar {
        padding: 10px 12px calc(12px + env(safe-area-inset-bottom, 0px));
        gap: 8px;
    }
    .viewer-chapter-btn span {
        display: none;
    }
    .viewer-chapter-btn {
        padding: 0 11px;
    }
    .viewer-ctrl-btn#btn-viewer-gap span,
    .viewer-ctrl-btn#btn-viewer-autoscroll span {
        display: none;
    }
}