.main-content {
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: var(--space-5);
    min-height: calc(100vh - 240px);
}

.sidebar,
.player-section,
.right-panel {
    background: var(--surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-xl);
}

.sidebar {
    overflow-y: auto;
}

.right-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.project-info,
.project-list,
.chunk-selector,
.character-info,
.ambience-info {
    background: var(--surface-light);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
}

.right-panel .character-info,
.right-panel .ambience-info {
    margin-bottom: 0;
}

.project-info h3,
.project-list h3,
.chunk-selector h3,
.character-info h3,
.ambience-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.project-item {
    background: var(--surface-card);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 8px;
    border-left: 3px solid var(--primary-start);
    cursor: pointer;
    transition: background 0.2s;
}

.project-item:hover {
    background: var(--surface-card-hover);
}

.chunk-list {
    max-height: 300px;
    overflow-y: auto;
}

.chunk-item {
    background: var(--surface-muted);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.chunk-item:hover {
    background: var(--surface-border);
    transform: translateX(5px);
}

.chunk-item.active {
    background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    color: var(--text-inverse);
    border-color: var(--primary-dark);
}

/* Fixed Bottom Audio Player */
.audio-player-fixed {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--surface-card);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--surface-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.audio-player-container {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-5);
    max-width: 100%;
}

.audio-player-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.player-cover {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

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

.player-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-author {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-player-center {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: center;
}

.player-transport {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.player-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--surface-border);
    background: var(--surface);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-base);
}

.player-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.player-btn:not(:disabled):hover {
    border-color: var(--primary-start);
    color: var(--primary-start);
    transform: scale(1.05);
}

.player-btn-play {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    font-size: var(--text-lg);
}

.player-btn-play:not(:disabled):hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.player-progress {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
}

.progress-time {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    min-width: 36px;
    text-align: center;
}

.audio-player-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
}

.player-control-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.player-speed-toggle {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--surface-border);
    background: var(--surface);
    color: var(--text-primary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 48px;
}

.player-speed-toggle:hover {
    border-color: var(--primary-start);
    color: var(--primary-start);
}

.speed-dropdown {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: var(--space-2);
    background: var(--surface-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 80px;
}

.speed-option {
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.speed-option:hover {
    background: var(--surface-muted);
}

.speed-option.active {
    background: var(--primary-start);
    color: var(--white);
}

.player-volume {
    width: 80px;
}

.player-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    border: 1px solid var(--surface-border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-xs);
}

.player-toggle:hover {
    border-color: var(--surface-border-strong);
}

.player-toggle.active {
    border-color: var(--primary-start);
    color: var(--primary-start);
    background: rgba(102, 126, 234, 0.1);
}

.player-toggle-label {
    font-size: var(--text-xs);
}

/* Add padding to content so it's not hidden behind fixed player */
.text-display {
    padding-bottom: 100px;
}

.progress-container {
    flex: 1;
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--surface-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.1s linear;
}

.volume-icon {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

.text-display {
    flex: 1;
    background: var(--surface-card);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.text-display h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.segment {
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    border-left: 4px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
    overflow: visible;
}

.segment[data-speaker] {
    border-left-color: var(--segment-speaker-color, var(--surface-border-strong));
}

.segment[data-speaker] .speaker {
    color: var(--segment-speaker-color, var(--text-primary));
}

.segment:hover {
    background: var(--surface-card-hover);
}

.segment.active {
    border-left-color: var(--segment-speaker-color, var(--primary-start));
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.12) 100%);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.segment.speaking {
    border-left-color: var(--segment-speaker-color, var(--accent-dialogue));
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(231, 76, 60, 0.05) 100%);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(231, 76, 60, 0); }
    100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0); }
}

.segment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: var(--space-3);
    overflow: visible;
    position: relative;
}

.speaker {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.segment-type {
    background: var(--surface-border);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 15px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.segment.dialogue .speaker {
    color: var(--accent-dialogue);
}

.segment.narration .speaker {
    color: var(--accent-narration);
}

.segment-content {
    color: var(--text-muted-strong);
    line-height: 1.6;
    font-size: 1rem;
}

.segment-timing {
    background: var(--surface-overlay-weak);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.character-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.character-info.collapsed .character-list {
    display: none;
}

.character-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.character-info.collapsed .character-info-header button {
    color: var(--primary-start);
}

.character-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--surface-border);
    border-left: 4px solid transparent;
    padding-left: var(--space-3);
}

.character-item:last-child {
    border-bottom: none;
}

.character-item[data-speaker] {
    border-left-color: var(--character-color, var(--surface-border));
}

.character-item[data-speaker] .character-name {
    color: var(--character-color, var(--text-primary));
}

.character-item[data-speaker] .character-count {
    background: var(--character-color, var(--primary-start));
    color: var(--text-inverse);
}

.character-name {
    font-weight: 600;
    color: var(--text-primary);
}

.character-count {
    background: var(--primary-start);
    color: var(--text-inverse);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
}

.ambience-description {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 10px;
}

.sound-effects {
    margin-top: 10px;
}

.sound-effect {
    background: var(--surface-card);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 8px;
    border-left: 3px solid var(--primary-start);
}

.sound-effect-description {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.sound-effect-context {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: var(--space-5);
    }
    
    .sidebar,
    .right-panel {
        display: flex;
        flex-direction: column;
        gap: var(--space-5);
    }
}

@media (max-width: 1024px) {
    .audio-player-container {
        grid-template-columns: 200px 1fr 180px;
        padding: var(--space-3) var(--space-4);
    }
    
    .player-volume {
        width: 60px;
    }
}

@media (max-width: 768px) {
    .main-content {
        gap: var(--space-4);
    }
    
    .sidebar,
    .player-section,
    .right-panel {
        padding: var(--space-4);
    }

    .text-display {
        padding: var(--space-4);
    }
    
    .audio-player-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        gap: var(--space-3);
        padding: var(--space-3);
    }
    
    .audio-player-left {
        order: 1;
    }
    
    .audio-player-center {
        order: 2;
        grid-column: 1;
    }
    
    .audio-player-right {
        order: 3;
        justify-content: space-between;
        width: 100%;
    }
    
    .player-volume {
        flex: 1;
        max-width: 120px;
    }
    
    .player-cover {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 900px) {
    .right-panel {
        overflow-y: auto;
    }

    .character-list {
        max-height: 260px;
        overflow-y: auto;
        padding-right: var(--space-2);
    }
}