:root,
[data-theme="dark"] {
    --bg-primary: rgb(15, 23, 42);
    --bg-secondary: rgb(30, 27, 75);
    --bg-gradient: linear-gradient(180deg, rgb(15, 23, 42) 0%, rgb(30, 27, 75) 100%);
    --bg-surface: rgb(30, 41, 59);
    --bg-surface-elevated: rgb(30, 41, 59);
    --border-color: rgb(56, 189, 248);

    --text-primary: rgb(241, 245, 249);
    --text-secondary: rgb(148, 163, 184);
    --text-muted: rgb(148, 163, 184);

    --accent-primary: rgb(129, 140, 248);
    --accent-secondary: rgb(56, 189, 248);

    --purple-primary: rgb(129, 140, 248);
    --purple-hover: rgb(129, 140, 248);
    --purple-light: rgb(56, 189, 248);
    --purple-subtle: rgb(30, 27, 75);
    --purple-glow: rgba(129, 140, 248, 0.35);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: rgb(244, 247, 252);
    --bg-secondary: rgb(238, 235, 248);
    --bg-gradient: linear-gradient(180deg, rgb(244, 247, 252) 0%, rgb(238, 235, 248) 100%);
    --bg-surface: rgb(255, 255, 255);
    --bg-surface-elevated: rgb(255, 255, 255);
    --border-color: rgb(14, 165, 233);

    --text-primary: rgb(15, 23, 42);
    --text-secondary: rgb(71, 85, 105);
    --text-muted: rgb(71, 85, 105);

    --accent-primary: rgb(79, 70, 229);
    --accent-secondary: rgb(14, 165, 233);

    /* Signature Amethyst & Royal Purple Palette */
    --purple-primary: rgb(79, 70, 229);
    --purple-hover: rgb(79, 70, 229);
    --purple-light: rgb(14, 165, 233);
    --purple-subtle: rgb(238, 235, 248);
    --purple-glow: rgba(79, 70, 229, 0.25);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(79, 70, 229, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
}

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

html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* Header Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    max-width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.header-bar {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.archive-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 21.6px;
    flex-shrink: 0;
}

.camera-emblem {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--purple-primary), var(--accent-secondary));
    color: rgba(255, 255, 255, 1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--purple-glow);
    flex-shrink: 0;
}

.archive-logo span {
    color: var(--purple-primary);
}

/* Search Bar */
.album-search {
    flex: 1;
    min-width: 0;
    max-width: 520px;
    position: relative;
}

.search-magnifying-glass {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-secondary);
}

.album-search input {
    width: 100%;
    padding: 12px 16px 12px 44.8px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface-elevated);
    color: var(--text-primary);
    font-size: 15.2px;
    outline: none;
    transition: var(--transition);
}

.album-search input:focus {
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 4px var(--purple-glow);
}

/* Theme Button */
.theme-toggle-button {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-surface-elevated);
    color: var(--accent-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17.6px;
    transition: var(--transition);
}

.theme-toggle-button:hover {
    border-color: var(--purple-primary);
    color: var(--purple-primary);
    transform: rotate(15deg);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Welcome Banner */
.welcome-banner {
    width: 100%;
    max-width: 100%;
    background: var(--bg-gradient);
    padding: 56px 32px 40px;
    border-bottom: 1px solid var(--border-color);
}

.welcome-intro {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.welcome-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6.4px 16px;
    background-color: var(--bg-surface);
    border: 1px solid var(--purple-primary);
    color: var(--purple-primary);
    font-weight: 600;
    font-size: 13.6px;
    border-radius: 30px;
    margin-bottom: 16px;
}

.welcome-intro h1 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.welcome-intro p {
    color: var(--text-secondary);
    font-size: 17.6px;
    max-width: 720px;
    margin: 0 auto 32px;
}

.collection-summary {
    width: 100%;
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
    gap: 20px;
    margin-top: 32px;
}

.archive-metric {
    background-color: var(--bg-surface);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.metric-number {
    display: block;
    font-size: 28.8px;
    font-weight: 800;
    color: var(--purple-primary);
}

.metric-caption {
    font-size: 13.6px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Controls & Filtering Bar */
.archive-catalog {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

.album-filter-bar {
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    background: var(--bg-surface);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.decade-heading {
    font-weight: 600;
    font-size: 14.4px;
    color: var(--purple-primary);
    max-width: 100%;
}

.decade-buttons, .category-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.decade-button, .category-button {
    padding: 7.2px 16px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface-elevated);
    color: var(--text-secondary);
    font-size: 14.08px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.decade-button:hover, .category-button:hover {
    border-color: var(--purple-primary);
    color: var(--purple-primary);
}

.decade-button.active, .category-button.active {
    background: var(--purple-primary);
    color: rgba(255, 255, 255, 1);
    border-color: var(--purple-primary);
    box-shadow: 0 4px 12px var(--purple-glow);
}

.category-and-sort-row {
    justify-content: space-between;
    border-top: 1px dashed var(--border-color);
    padding-top: 16px;
}

.album-sort-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14.4px;
    color: var(--text-secondary);
}

.album-sort-menu select {
    padding: 7.2px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
}

/* Album Grid */
.album-grid {
    width: 100%;
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 32px;
}

.photo-album {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.photo-album:hover {
    transform: translateY(-6px);
    border-color: var(--purple-primary);
    box-shadow: var(--shadow-lg);
}

.photo-thumbnail {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.photo-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.photo-album:hover .photo-thumbnail img {
    transform: scale(1.06);
}

.album-year-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4.8px 12px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 1);
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
}

.slideshow-launch-prompt {
    position: absolute;
    inset: 0;
    background: rgba(124, 58, 237, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.slideshow-launch-prompt i {
    font-size: 48px;
    color: rgba(255, 255, 255, 1);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.photo-album:hover .slideshow-launch-prompt {
    opacity: 1;
}

.album-details {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.album-heading {
    font-size: 19.2px;
    font-weight: 700;
    margin-bottom: 5.6px;
}

.album-location {
    font-size: 13.6px;
    color: var(--text-muted);
    margin-bottom: 13.6px;
}

.album-summary-row {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 13.6px;
    border-top: 1px solid var(--border-color);
}

.soundtrack-name {
    font-size: 12.48px;
    color: var(--purple-primary);
    background: var(--purple-subtle);
    padding: 4px 10.4px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5.6px;
}

/* Lightbox & Audio Player */
.slideshow-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.lightbox-window {
    width: 94%;
    max-width: 1280px;
    height: 90vh;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.slideshow-lightbox:fullscreen .lightbox-window {
    width: 100%;
    max-width: none;
    height: 100vh;
    border-radius: 0;
    border: none;
    margin: 0 !important;
}

.lightbox-top-bar {
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.lightbox-top-bar h2 {
    font-size: 20.8px;
    font-weight: 700;
}

.lightbox-top-bar p {
    font-size: 13.6px;
    color: var(--text-muted);
}

.lightbox-window-buttons {
    display: flex;
    gap: 8px;
}

.lightbox-action-button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-surface-elevated);
    color: var(--accent-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-action-button:hover {
    background: var(--purple-primary);
    color: rgba(255, 255, 255, 1);
}

/* Slideshow Display Area */
.photo-display-area {
    flex: 1;
    position: relative;
    background: rgba(0, 0, 0, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.displayed-photo-frame {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.displayed-photo-frame img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 1;
    transition: opacity 0.4s ease-in-out;
}

.displayed-photo-frame img.fade-out {
    opacity: 0;
}

.photo-caption-banner {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 1);
    padding: 8px 24px;
    border-radius: 30px;
    font-size: 14.4px;
    max-width: 80%;
    text-align: center;
}

.photo-arrow-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: none;
    color: rgba(255, 255, 255, 1);
    font-size: 19.2px;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.photo-arrow-button:hover {
    background: var(--purple-primary);
}

.previous-photo-arrow { left: 24px; }
.next-photo-arrow { right: 24px; }

/* Integrated Audio Player Bar */
.music-player-bar {
    width: 100%;
    max-width: 100%;
    padding: 16px 24px;
    background: var(--bg-surface-elevated);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr) minmax(0, 220px);
    align-items: center;
    gap: 24px;
}

.now-playing-info {
    display: flex;
    align-items: center;
    gap: 13.6px;
    min-width: 0;
}

.spinning-record-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--purple-primary);
    color: rgba(255, 255, 255, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.spinning-record-icon.playing {
    animation: spin 4s linear infinite;
}

@keyframes spin { 100% { transform: rotate(360deg); } }

.song-metadata {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.soundtrack-heading { font-size: 11.52px; color: var(--text-muted); text-transform: uppercase; }
.song-filename {
    font-size: 14.08px;
    font-weight: 700;
    color: var(--purple-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sound-equalizer {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 18px;
    flex-shrink: 0;
}

.sound-equalizer .equalizer-bar {
    width: 3px;
    height: 4px;
    background: var(--purple-primary);
    border-radius: 2px;
}

.sound-equalizer.active .equalizer-bar {
    animation: wave 1s ease-in-out infinite alternate;
}

.sound-equalizer.active .equalizer-bar:nth-child(2) { animation-delay: 0.2s; }
.sound-equalizer.active .equalizer-bar:nth-child(3) { animation-delay: 0.4s; }
.sound-equalizer.active .equalizer-bar:nth-child(4) { animation-delay: 0.1s; }
.sound-equalizer.active .equalizer-bar:nth-child(5) { animation-delay: 0.3s; }

@keyframes wave {
    0% { height: 4px; }
    100% { height: 18px; }
}

/* Center Audio Controls */
.audio-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.transport-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.play-pause-button {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--purple-primary);
    border: none;
    color: rgba(255, 255, 255, 1);
    font-size: 19.2px;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--purple-glow);
    transition: var(--transition);
}

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

.slideshow-speed-picker {
    display: flex;
    align-items: center;
    gap: 6.4px;
    font-size: 12.8px;
    color: var(--text-muted);
}

.slideshow-speed-picker select {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 3.2px 6.4px;
}

.playback-progress-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.playback-timestamp {
    font-size: 12.48px;
    color: var(--text-muted);
    min-width: 35px;
}

.track-scrubber-input, .volume-slider-input {
    flex: 1;
    min-width: 0;
    accent-color: var(--purple-primary);
    cursor: pointer;
}

.audio-volume-panel {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    min-width: 0;
}

.photo-count-indicator {
    padding: 4.8px 12px;
    background: var(--bg-surface);
    border-radius: 20px;
    font-weight: 700;
    font-size: 12.8px;
}

.volume-adjuster {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
}

.mute-button {
    background: none;
    border: none;
    color: var(--accent-secondary);
    cursor: pointer;
}

/* Footer */
.archive-footer {
    width: 100%;
    max-width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14.4px;
}

.archive-footer .creator-credit {
    display: flex;
    align-items: center;
    gap: 8px;
}

.archive-footer .creator-link {
    padding: 6.4px 16px;
    border-radius: 30px;
    border: 1px solid var(--purple-primary);
    background: var(--bg-surface-elevated);
    color: var(--purple-primary);
    font-size: 13.6px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.archive-footer .creator-link:hover {
    background: var(--purple-primary);
    color: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px var(--purple-glow);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .music-player-bar {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    .now-playing-info, .audio-volume-panel { justify-content: center; }
}
/* Single Image Viewer & Audio Modifications */
#photo-carousel { display: flex; align-items: center; justify-content: center; overflow: hidden; width: 100%; height: 100%; position: relative; }

.music-player-dock { position: fixed; bottom: 0; left: 0; width: 100%; max-width: 100%; z-index: 2000; transition: transform 0.3s ease; }
.music-player-dock.hidden { transform: translateY(100%); }

.skip-time-button { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-surface); border: 1px solid var(--border-color); color: var(--text-primary); cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.skip-time-button:hover { background: var(--purple-subtle); color: var(--purple-primary); border-color: var(--purple-primary); }

/* Dynamic Footer & UI Height Constraints */
body.music-dock-visible { padding-bottom: 60px; }
body.music-dock-visible .lightbox-window { margin-bottom: 60px; height: calc(90vh - 60px); }
body.music-dock-visible .slideshow-lightbox:fullscreen .lightbox-window { margin-bottom: 0 !important; height: 100vh !important; }

/* Compact Audio Player UI Overrides */
.music-player-bar {
    padding: 8px 16px;
    gap: 16px;
    min-height: 60px;
}
.now-playing-info { gap: 10px; }
.spinning-record-icon { width: 28px; height: 28px; font-size: 12px; }
.song-filename { font-size: 13px; }
.soundtrack-heading { font-size: 10px; }
.sound-equalizer { height: 12px; }
@keyframes wave { 0% { height: 4px; } 100% { height: 12px; } }

.transport-buttons { gap: 12px; }
.play-pause-button { width: 32px; height: 32px; font-size: 14px; }
.skip-time-button { width: 28px; height: 28px; font-size: 12px; }
.playback-timestamp { font-size: 11px; }

/* Fix Caption Overlay Z-Index & Position */
.displayed-photo-frame .photo-caption-banner {
    bottom: 24px;
    z-index: 10;
}

.photo-caption-banner:empty {
    display: none;
}

@media (max-width: 900px) {
    body.music-dock-visible { padding-bottom: 140px; }
    body.music-dock-visible .lightbox-window { margin-bottom: 140px; height: calc(90vh - 140px); }
    body.music-dock-visible .slideshow-lightbox:fullscreen .lightbox-window { margin-bottom: 0 !important; height: 100vh !important; }
    .music-player-bar { gap: 8px; padding: 12px; }
}

/* ==========================================================================
   MOBILE RESPONSIVENESS OVERHAUL (PORTRAIT & SMALL SCREENS)
   ========================================================================== */
@media (max-width: 768px) {
    /* Header Mobile Scaling */
    .header-bar {
        padding: 10px 14px;
        gap: 10px;
        flex-wrap: wrap;
    }

    .archive-logo {
        font-size: 16.8px;
        gap: 8px;
    }

    .camera-emblem {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: 10px;
    }

    .album-search {
        flex: 1 1 160px;
        max-width: 100%;
        min-width: 0;
    }

    .search-magnifying-glass {
        left: 12px;
        font-size: 13px;
    }

    .album-search input {
        padding: 8px 12px 8px 34px;
        font-size: 13px;
        border-radius: 10px;
    }

    .theme-toggle-button {
        width: 34px;
        height: 34px;
        font-size: 14.4px;
    }

    /* Welcome Banner & Catalog Mobile Scaling */
    .welcome-banner {
        padding: 32px 16px 24px;
    }

    .welcome-intro h1 {
        font-size: 26px;
    }

    .welcome-intro p {
        font-size: 14.8px;
        margin-bottom: 20px;
    }

    .collection-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-top: 20px;
    }

    .archive-metric {
        padding: 14px 10px;
    }

    .metric-number {
        font-size: 22px;
    }

    .metric-caption {
        font-size: 12px;
    }

    .archive-catalog {
        padding: 16px;
    }

    .album-filter-bar {
        padding: 14px;
        gap: 14px;
        margin-bottom: 24px;
    }

    .decade-button, .category-button {
        padding: 6px 12px;
        font-size: 12.8px;
    }

    .album-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Footer Mobile Scaling */
    .archive-footer {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        gap: 12px;
        padding: 20px 16px;
        font-size: 12.8px;
    }

    .archive-footer .creator-credit {
        justify-content: center;
        flex-wrap: wrap;
        font-size: 12.8px;
    }

    .archive-footer .creator-link {
        font-size: 12px;
        padding: 4.8px 12px;
    }

    /* Album Viewer - Portrait Mode (Maximize Height Above Audio Player) */
    .slideshow-lightbox {
        align-items: flex-start;
    }

    .lightbox-window {
        width: 100%;
        max-width: 100%;
        height: 100vh;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    body.music-dock-visible .lightbox-window {
        height: calc(100vh - 140px);
        max-height: calc(100vh - 140px);
        margin-bottom: 140px;
    }

    .lightbox-top-bar {
        padding: 10px 14px;
        gap: 8px;
    }

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

    .lightbox-top-bar h2 {
        font-size: 16px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .lightbox-top-bar p {
        font-size: 11.5px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .lightbox-action-button {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }

    .photo-viewer-frame,
    .photo-display-area {
        width: 100%;
        height: 100%;
        flex: 1;
        min-height: 0;
    }

    .displayed-photo-frame {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100%;
    }

    .displayed-photo-frame img {
        flex: 1;
        min-height: 0;
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    .displayed-photo-frame .photo-caption-banner,
    .photo-caption-banner {
        position: static;
        transform: none;
        flex-shrink: 0;
        margin: 6px auto 8px;
        padding: 4px 12px;
        font-size: 12px;
        line-height: 1.35;
        background: rgba(15, 23, 42, 0.55);
        max-width: 92%;
        border-radius: 16px;
    }

    .photo-arrow-button {
        width: 38px;
        height: 38px;
        font-size: 15px;
    }

    .previous-photo-arrow { left: 10px; }
    .next-photo-arrow { right: 10px; }
}

/* ==========================================================================
   ALBUM VIEWER - LANDSCAPE / FULLSCREEN GALLERY MODE
   ========================================================================== */
@media (max-width: 850px) and (orientation: landscape) {
    .slideshow-lightbox {
        align-items: stretch;
    }

    .lightbox-window,
    body.music-dock-visible .lightbox-window {
        width: 100%;
        max-width: 100%;
        height: 100vh !important;
        max-height: 100vh !important;
        margin: 0 !important;
        border: none;
        border-radius: 0;
        position: relative;
    }

    .lightbox-album-info,
    #lightbox-album-title,
    #lightbox-album-details {
        display: none !important;
    }

    .lightbox-top-bar {
        position: absolute;
        top: 8px;
        right: 12px;
        z-index: 25;
        padding: 0;
        border: none;
        background: transparent;
        width: auto;
    }

    .lightbox-window-buttons {
        gap: 6px;
    }

    .lightbox-action-button {
        width: 30px;
        height: 30px;
        font-size: 12.5px;
        background: rgba(15, 23, 42, 0.65);
        backdrop-filter: blur(6px);
    }

    .photo-viewer-frame,
    .photo-display-area,
    #photo-carousel,
    .displayed-photo-frame {
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        flex-direction: row;
    }

    .displayed-photo-frame img,
    #active-slide-image {
        width: 100%;
        height: 100vh;
        max-width: 100%;
        max-height: 100vh;
        object-fit: contain;
    }

    .displayed-photo-frame .photo-caption-banner,
    .photo-caption-banner {
        position: absolute;
        bottom: 8px;
        left: 50%;
        transform: translateX(-50%);
        margin: 0;
        padding: 3px 10px;
        font-size: 11px;
        background: rgba(15, 23, 42, 0.5);
        max-width: 85%;
    }

    .photo-arrow-button {
        width: 32px;
        height: 32px;
        font-size: 13.5px;
    }

    .previous-photo-arrow { left: 10px; }
    .next-photo-arrow { right: 10px; }
}