:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --muted-color: #94a3b8;
    --accent-color: #0d9488;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    flex-direction: column;
}

header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    flex-shrink: 0;
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.back-btn {
    color: var(--muted-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-color);
}

.pose-selector {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
    backdrop-filter: blur(10px);
    appearance: none;
    -webkit-appearance: none;
    padding-right: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.pose-selector option {
    background-color: var(--bg-color);
    color: var(--text-color);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 0;
    overflow: hidden;
}

.yoga-container {
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    box-sizing: border-box;
    min-height: 0;
    overflow: hidden;
}

.yoga-man {
    max-width: 800px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(13, 148, 136, 0.2));
    transition: transform 0.3s;
}

@keyframes globalBreath {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px rgba(13, 148, 136, 0.2));
    }
    33%, 50% {
        transform: scale(1.04);
        filter: drop-shadow(0 0 60px rgba(13, 148, 136, 0.8));
    }
    83% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px rgba(13, 148, 136, 0.2));
    }
}

@keyframes iconBreath {
    0%, 100% {
        transform: scale(1);
    }
    33%, 50% {
        transform: scale(1.25);
        color: var(--accent-color);
        text-shadow: 0 0 10px rgba(13, 148, 136, 0.5);
    }
    83% {
        transform: scale(1);
    }
}

body.breathing-sync .yoga-man {
    animation: globalBreath var(--breath-anim-duration, 6s) ease-in-out infinite;
    transform-origin: center center;
}

body.breathing-sync #breathBtn i {
    animation: iconBreath var(--breath-anim-duration, 6s) ease-in-out infinite;
    display: inline-block;
    transform-origin: center center;
}

/* SVG Styles */
.bone-front { stroke: #F8FAFC; stroke-width: 14; stroke-linecap: round; stroke-linejoin: round; }
.bone-back { stroke: #94A3B8; stroke-width: 14; stroke-linecap: round; stroke-linejoin: round; }
.head { fill: #F8FAFC; }
.joint-group { 
    transition: transform 1.5s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform-box: view-box;
}

.pose-info {
    text-align: center;
    min-height: 100px;
    padding: 0 20px;
    max-width: 800px;
    margin: 0 auto;
}

.pose-name {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    color: var(--accent-color);
    text-transform: uppercase;
}

.sanskrit-name {
    display: block;
    margin-top: 4px;
    font-size: 1.3rem;
    font-weight: 400;
    font-family: 'Georgia', serif;
    font-style: italic;
    color: var(--teal-color);
    text-transform: none;
    letter-spacing: normal;
}

.pose-desc {
    color: var(--muted-color);
    font-size: 1.1rem;
    line-height: 1.5;
}

/* Timeline Builder & Sequencer */
.timeline-area {
    display: flex;
    gap: 16px;
    padding: 16px 24px;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    align-items: stretch;
    z-index: 5;
    flex-shrink: 0;
}

.seq-dots {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
}

.seq-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--dot-color);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0.3;
}

.seq-dot:hover {
    opacity: 0.7;
    transform: scale(1.1);
}

.seq-dot.active {
    opacity: 1;
    border-color: #fff;
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--dot-color);
}

.seq-dot.add-seq {
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.3);
    opacity: 1;
}

.seq-dot.add-seq:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    color: #fff;
}

.timeline-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.seq-name-display {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    cursor: pointer;
    border-bottom: 1px dashed transparent;
    padding: 2px 4px;
    transition: color 0.3s;
}

.seq-name-display:hover {
    border-bottom-color: var(--accent-color);
}

.seq-name-input {
    background: rgba(0,0,0,0.3);
    border: none;
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 600;
    width: 200px;
    padding: 4px 8px;
    border-radius: 4px;
    border-bottom: 2px solid var(--accent-color);
    outline: none;
    display: none;
}

.seq-color-picker {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    cursor: pointer;
    background: none;
    /* overflow: hidden; removed to allow scroll on zoom */
    flex-shrink: 0;
}

.seq-color-picker::-webkit-color-swatch-wrapper { padding: 0; }
.seq-color-picker::-webkit-color-swatch { border: none; border-radius: 50%; }

.timeline-track {
    flex: 1;
    display: flex;
    gap: 10px;
    min-height: 80px;
    padding: 10px;
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: 12px;
    overflow-x: auto;
    align-items: center;
    transition: background 0.2s, border-color 0.2s;
}

.timeline-track.drag-over {
    background: rgba(13, 148, 136, 0.1);
    border-color: rgba(13, 148, 136, 0.5);
}

.timeline-placeholder {
    color: var(--muted-color);
    margin: auto;
    pointer-events: none;
    font-style: italic;
}

.timeline-card {
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 4px;
    cursor: grab;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
    position: relative;
    user-select: none;
    border: 2px solid transparent; /* base border for phase coloring */
    transition: min-width 0.3s ease;
}

.timeline-card.inhale {
    border-color: rgba(13, 148, 136, 0.5); /* Teal */
}
.timeline-card.exhale {
    border-color: rgba(148, 163, 184, 0.4); /* Slate */
}

.breath-badge {
    position: absolute;
    top: -8px;
    left: -8px;
    background: var(--bg-color);
    border: 1px solid currentColor;
    color: var(--muted-color);
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 0.7rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0.4;
    transition: all 0.2s;
}

body:not(.breathing-sync) .breath-badge {
    display: none;
}

.timeline-card:hover .breath-badge {
    opacity: 1;
}

.timeline-card.inhale .breath-badge:hover {
    color: rgba(13, 148, 136, 1);
    background: rgba(13, 148, 136, 0.1);
}

.timeline-card.exhale .breath-badge:hover {
    color: rgba(148, 163, 184, 1);
    background: rgba(148, 163, 184, 0.1);
}


.timeline-card.playing {
    box-shadow: 0 0 0 2px var(--accent-color);
    background: rgba(13, 148, 136, 0.2);
}

.timeline-card.match-highlight {
    box-shadow: 0 0 8px 2px var(--accent-color) !important;
    border-color: var(--accent-color) !important;
    background: rgba(255, 255, 255, 0.1);
}

.timeline-card .remove-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}
.timeline-card:hover .remove-btn {
    display: flex;
}

.timeline-controls {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.timeline-controls .icon-btn {
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.timeline-controls .icon-btn:hover {
    background: rgba(13, 148, 136, 0.2);
    color: var(--accent-color);
}

.flow-suggest-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--muted-color);
    font-size: 0.9rem;
    cursor: pointer;
    margin-right: 12px;
    transition: color 0.2s;
}
.flow-suggest-label:hover {
    color: var(--text-color);
}
.flow-suggest-label input {
    accent-color: var(--accent-color);
    cursor: pointer;
}

/* Nav Bar */
.pose-nav {
    display: flex;
    justify-content: flex-start;
    gap: 16px;
    padding: 24px;
    width: 100%;
    overflow-x: auto;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .pose-nav {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        overflow-y: hidden;
        padding: 16px;
        gap: 8px;
    }
    .pose-card {
        width: calc(33.333% - 11px);
        min-width: 0;
    }
    .fuzzy-finder {
        width: calc(100% - 32px);
        top: 16px;
        bottom: auto;
        left: 16px;
        transform: none;
        padding: 10px 16px;
        box-sizing: border-box;
        background: rgba(15, 23, 42, 0.95);
    }
    .fuzzy-finder input {
        width: 100%;
        font-size: 16px; /* Prevents auto-zoom on iOS Safari */
        box-sizing: border-box;
    }
}

.pose-card {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    opacity: 0.5;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--muted-color);
    width: 90px;
    min-width: 90px;
}

.pose-card:hover {
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.05);
}

.pose-card.active {
    opacity: 1;
    color: white;
    background: rgba(13, 148, 136, 0.15);
}

.pose-card.search-selected {
    opacity: 1;
    color: white;
    outline: 2px solid var(--accent-color);
    background: rgba(13, 148, 136, 0.25);
}

.mini-pose {
    width: 60px;
    height: 60px;
}

.mini-pose .joint-group {
    /* Mini SVG shouldn't transition if we just want them static initially, but it's fine if they do */
    transition: none; 
}

.pose-card-name {
    font-size: 0.75rem;
    text-align: center;
    line-height: 1.2;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    /* overflow: hidden; removed to allow scroll on zoom */
    width: 100%;
}

/* Fuzzy Finder */
.fuzzy-finder {
    position: fixed;
    bottom: 150px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 12px 24px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}
.fuzzy-finder i { 
    color: var(--muted-color); 
    font-size: 1.2rem;
}
.fuzzy-finder input {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.2rem;
    outline: none;
    width: 300px;
    font-family: monospace;
}
.fuzzy-finder input::placeholder {
    color: rgba(255,255,255,0.3);
}

/* Flow Suggestions */
.flow-suggestions-area {
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateY(-10px);
    z-index: 50;
}

.flow-suggestions-area.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.flow-card {
    background: rgba(13, 148, 136, 0.2);
    border: 1px solid rgba(13, 148, 136, 0.5);
    border-radius: 20px;
    padding: 8px 16px;
    cursor: pointer;
    color: var(--teal-color);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.flow-card:hover {
    background: rgba(13, 148, 136, 0.4);
    color: white;
    transform: scale(1.05);
}

.flow-card i {
    font-size: 1rem;
}

/* Debug Tools */
.debug-panel {
    position: fixed;
    right: 0;

    top: 60px;
    bottom: 0;
    width: 300px;
    background: var(--bg-color);
    border-left: 1px solid rgba(255,255,255,0.1);
    box-shadow: -5px 0 20px rgba(0,0,0,0.8);
    padding: 20px;
    overflow-y: auto;
    z-index: 1000;
    display: none; /* change to block to use */
}
.debug-panel.active {
    display: block;
}
.debug-row {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.debug-row label {
    font-size: 0.8rem;
    width: 80px;
}
.debug-row input[type=range] {
    flex: 1;
}
.debug-row input[type=number] {
    width: 60px;
    margin-left: 10px;
    background: transparent;
    color: white;
    border: 1px solid #555;
}
.icon-btn {
    background: none;
    border: none;
    color: var(--muted-color);
    cursor: pointer;
    font-size: 1.5rem;
    transition: color 0.2s;
    padding: 8px;
}
.icon-btn:hover { color: var(--text-color); }

.yoga-man-wrapper {
    transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform-origin: center center;
}

/* Hotspots and Zoom UI */
.hotspot {
    fill: transparent !important;
    stroke: transparent !important;
    stroke-width: 0 !important;
    cursor: pointer;
    pointer-events: all;
}

.hotspot:hover {
    fill: rgba(13, 148, 136, 0.3) !important;
    stroke: var(--accent-color) !important;
    stroke-width: 2 !important;
}

.zoom-overlay {
    position: absolute;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(13, 148, 136, 0.5);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-color);
    padding: 16px;
    border-radius: 12px;
    max-width: 280px;
    font-size: 0.95rem;
    line-height: 1.5;
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    transition: opacity 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.zoom-overlay.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.zoom-overlay-title {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 6px;
    margin-bottom: 4px;
}

/* Gallery View */
.gallery-view {
    display: none;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    width: 100%;
    background: var(--bg-color);
    z-index: 50;
}
.gallery-view.active {
    display: flex;
}
.gallery-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.gallery-header h3 { margin: 0; font-size: 1.2rem; color: var(--accent-color); }
.gallery-controls {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.gallery-controls .pose-selector { width: 100%; }
.gallery-grid {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 16px;
    align-content: start;
}
.gallery-grid .pose-card {
    width: 100%; min-width: 0; opacity: 0.6; padding: 12px; box-sizing: border-box;
    background: rgba(255, 255, 255, 0.05);
}
.gallery-grid .pose-card:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }
.gallery-grid .pose-card.active { opacity: 1; outline: 2px solid var(--accent-color); background: rgba(13, 148, 136, 0.2); }

/* Quiz View */
.quiz-view {
    display: none;
    flex-direction: row;
    flex: 1;
    min-height: 0;
    width: 100%;
    background: var(--bg-color);
    z-index: 50;
    padding: 24px;
    box-sizing: border-box;
    align-items: center;
    justify-content: center;
    position: relative;
}

@media (max-width: 768px) {
    .quiz-view {
        padding: 12px;
    }
}
.quiz-view.active {
    display: flex;
}
.quiz-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1000px;
    padding: 0 40px;
    max-height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .quiz-main {
        padding: 0 10px;
    }
}
.quiz-nav-arrow {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--muted-color);
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 10;
    flex-shrink: 0;
}
.quiz-nav-arrow:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}
.quiz-nav-arrow.disabled {
    opacity: 0.1;
    cursor: default;
    pointer-events: none;
}
.quiz-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 20;
}
.quiz-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s;
}
.quiz-dot:hover {
    background: rgba(255, 255, 255, 0.3);
}
.quiz-dot.active {
    box-shadow: 0 0 0 2px var(--accent-color);
    transform: scale(1.2);
}
.quiz-dot.correct { background: #10b981; }
.quiz-dot.wrong { background: #ef4444; }
.quiz-dot.skipped { background: #4b5563; }

.quiz-prompt {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 24px;
    text-align: center;
    line-height: 1.3;
}
.quiz-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
}
.quiz-card {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.quiz-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}
.quiz-card.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}
.quiz-card.wrong {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}
.quiz-card .pose-card-name {
    display: none; /* hidden until answered */
    margin-top: 12px;
    font-size: 1rem;
    text-align: center;
}
.quiz-card.revealed .pose-card-name {
    display: block;
}
.quiz-card .sanskrit-name {
    font-size: 0.9rem;
}
.quiz-feedback {
    margin-top: 24px;
    height: 40px;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Tab Buttons */
.tab-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted-color);
    padding: 6px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tab-btn:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.05);
}
.tab-btn.active {
    color: white;
    background: rgba(13, 148, 136, 0.2);
    border-color: rgba(13, 148, 136, 0.5);
}

.main-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    width: 100%;
}

/* Dynamic Layouts */
body.layout-vertical .main-wrapper {
    flex-direction: row;
}

body.layout-vertical .pose-nav {
    flex-direction: column;
    width: 140px;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    background: linear-gradient(to right, rgba(0,0,0,0.5), transparent);
    padding: 16px 8px;
}

body.layout-vertical .pose-nav .pose-card {
    width: 100%;
    min-width: 0;
}

@media (min-width: 1024px) and (min-aspect-ratio: 4/3) {
    body:not(.layout-horizontal) .main-wrapper {
        flex-direction: row;
    }
    body:not(.layout-horizontal) .pose-nav {
        flex-direction: column;
        width: 140px;
        height: 100%;
        overflow-y: auto;
        overflow-x: hidden;
        background: linear-gradient(to right, rgba(0,0,0,0.5), transparent);
        padding: 16px 8px;
    }
    body:not(.layout-horizontal) .pose-nav .pose-card {
        width: 100%;
        min-width: 0;
    }
}

/* Classroom Mode */
body.classroom-mode header,
body.classroom-mode .pose-nav,
body.classroom-mode .timeline-area,
body.classroom-mode .pose-info,
body.classroom-mode .debug-panel,
body.classroom-mode .gallery-view {
    display: none !important;
}
body.classroom-mode .yoga-container {
    height: 100vh;
    align-items: center;
}
body.classroom-mode .yoga-man {
    height: 80vh;
    max-height: 80vh;
    width: auto;
}
#classroomSeqDots {
    display: none;
    position: fixed;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    flex-direction: column;
    gap: 16px;
}
body.classroom-mode #classroomSeqDots {
    display: flex;
}
.classroom-nav-click {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40%;
    z-index: 50;
    cursor: pointer;
}
body.classroom-mode .classroom-nav-click {
    display: block;
}
#classroomLeftClick { left: 0; }
#classroomRightClick { right: 0; }

.classroom-thumbnail {
    display: none;
    position: absolute;
    top: 24px;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    z-index: 60;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    opacity: 0.6;
    transition: opacity 0.3s;
}
body.classroom-mode .classroom-thumbnail {
    display: flex;
}
#prevPoseThumbnail { left: 24px; }
#nextPoseThumbnail { right: 24px; }

.classroom-exit-btn {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(2px);
    transition: all 0.2s;
}

.classroom-exit-btn:hover {
    color: white;
    background: rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

body.classroom-mode .classroom-exit-btn {
    display: flex;
}

/* View Mode for Shared Sequences */
body.view-mode .pose-nav,
body.view-mode .seq-dot.add-seq,
body.view-mode .timeline-placeholder,
body.view-mode .timeline-card .remove-btn,
body.view-mode .flow-suggestions-area,
body.view-mode .flow-suggest-label,
body.view-mode .timeline-controls #clearSeqBtn,
body.view-mode .timeline-controls #shareSeqBtn {
    display: none !important;
}
body.view-mode .seq-name-display {
    pointer-events: none;
    border-bottom-color: transparent;
}
body.view-mode .seq-color-picker {
    pointer-events: none;
}
body.view-mode .timeline-track {
    border-color: transparent;
    pointer-events: none; /* disables drag and drop */
}
body.view-mode .timeline-track .timeline-card {
    pointer-events: auto; /* allow clicking to view pose */
}