/**
 * Pôli Podcast - Waveform & Chapters Styles
 * Version: 1.0.0
 */

/* ==========================================================================
   Waveform Wrapper
   ========================================================================== */
.ps-waveform-wrapper {
    position: relative;
    width: 100%;
    height: 100px;
    cursor: pointer;
    user-select: none;
    border-radius: var(--ps-radius-md, 12px);
    overflow: hidden;
    background: var(--ps-bg-tertiary, #f1f5f9);
}

.ps-waveform-wrapper:hover {
    background: var(--ps-bg-secondary, #f8fafc);
}

/* Loading State */
.ps-waveform-wrapper.loading {
    pointer-events: none;
}

.ps-waveform-wrapper.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: ps-waveform-loading 1.5s infinite;
}

@keyframes ps-waveform-loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ==========================================================================
   Canvas
   ========================================================================== */
.ps-waveform-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Progress Overlay
   ========================================================================== */
.ps-waveform-progress {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(
        90deg,
        rgba(29, 185, 84, 0.1),
        rgba(29, 185, 84, 0.05)
    );
    pointer-events: none;
    transition: width 0.1s linear;
}

.ps-waveform-progress::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--ps-primary, #1DB954);
    box-shadow: 0 0 10px var(--ps-primary-glow, rgba(29, 185, 84, 0.4));
}

/* ==========================================================================
   Hover Preview
   ========================================================================== */
.ps-waveform-preview {
    position: absolute;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: var(--ps-bg-glass-strong, rgba(15, 23, 42, 0.95));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 8px 12px;
    border-radius: var(--ps-radius-md, 12px);
    box-shadow: var(--ps-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.ps-waveform-preview.visible {
    opacity: 1;
    visibility: visible;
}

.ps-waveform-preview::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--ps-bg-glass-strong, rgba(15, 23, 42, 0.95));
}

.ps-waveform-preview-time {
    font-size: 14px;
    font-weight: 600;
    color: var(--ps-text-primary, #f1f5f9);
}

.ps-waveform-preview-chapter {
    font-size: 12px;
    color: var(--ps-text-secondary, #94a3b8);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================================
   Chapter Markers
   ========================================================================== */
.ps-waveform-chapters {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ps-waveform-chapter-marker {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 12px;
    transform: translateX(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    pointer-events: auto;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ps-waveform-chapter-marker::before {
    content: '';
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.2s ease;
}

.ps-waveform-chapter-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--ps-primary, #1DB954);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.ps-waveform-chapter-marker:hover::before {
    background: var(--ps-primary, #1DB954);
    width: 3px;
}

.ps-waveform-chapter-marker:hover::after,
.ps-waveform-chapter-marker.active::after {
    opacity: 1;
}

/* ==========================================================================
   Chapters Panel
   ========================================================================== */
.ps-chapters-panel {
    background: var(--ps-bg-glass, rgba(255, 255, 255, 0.7));
    backdrop-filter: var(--ps-glass-blur, blur(20px));
    -webkit-backdrop-filter: var(--ps-glass-blur, blur(20px));
    border: var(--ps-glass-border, 1px solid rgba(255, 255, 255, 0.2));
    border-radius: var(--ps-radius-lg, 16px);
    overflow: hidden;
    transition: all 0.3s ease;
}

.ps-chapters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ps-border, rgba(0, 0, 0, 0.08));
}

.ps-chapters-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--ps-text-primary, #1e293b);
}

.ps-chapters-title svg {
    color: var(--ps-primary, #1DB954);
}

.ps-chapters-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: var(--ps-bg-tertiary, #f1f5f9);
    border-radius: var(--ps-radius-full, 9999px);
    cursor: pointer;
    transition: all 0.2s ease;
}

.ps-chapters-toggle:hover {
    background: var(--ps-bg-secondary, #f8fafc);
}

.ps-chapters-toggle svg {
    transition: transform 0.3s ease;
}

.ps-chapters-panel.collapsed .ps-chapters-toggle svg {
    transform: rotate(180deg);
}

/* Chapters List */
.ps-chapters-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.ps-chapters-panel.collapsed .ps-chapters-list {
    max-height: 0;
    padding: 0;
    overflow: hidden;
}

/* Chapter Item */
.ps-chapter-item {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 12px 14px;
    border: none;
    background: transparent;
    border-radius: var(--ps-radius-md, 12px);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.ps-chapter-item:hover {
    background: var(--ps-bg-secondary, #f8fafc);
}

.ps-chapter-item.active {
    background: rgba(29, 185, 84, 0.1);
}

.ps-chapter-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--ps-bg-tertiary, #f1f5f9);
    border-radius: var(--ps-radius-sm, 8px);
    font-size: 14px;
    font-weight: 600;
    color: var(--ps-text-secondary, #64748b);
    flex-shrink: 0;
}

.ps-chapter-item.active .ps-chapter-number {
    background: var(--ps-primary, #1DB954);
    color: white;
}

.ps-chapter-image {
    width: 36px;
    height: 36px;
    border-radius: var(--ps-radius-sm, 8px);
    object-fit: cover;
    flex-shrink: 0;
}

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

.ps-chapter-name {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ps-text-primary, #1e293b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ps-chapter-time {
    display: block;
    font-size: 12px;
    color: var(--ps-text-tertiary, #94a3b8);
    margin-top: 2px;
}

.ps-chapter-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--ps-primary, #1DB954);
    border-radius: var(--ps-radius-full, 9999px);
    color: white;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
}

.ps-chapter-item:hover .ps-chapter-indicator,
.ps-chapter-item.active .ps-chapter-indicator {
    opacity: 1;
    transform: scale(1);
}

/* Show More Button */
.ps-chapters-more {
    display: block;
    width: 100%;
    padding: 14px;
    border: none;
    border-top: 1px solid var(--ps-border, rgba(0, 0, 0, 0.08));
    background: transparent;
    color: var(--ps-primary, #1DB954);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ps-chapters-more:hover {
    background: var(--ps-bg-secondary, #f8fafc);
}

/* ==========================================================================
   Dark Mode Adjustments
   ========================================================================== */
[data-theme="dark"] .ps-waveform-wrapper {
    background: var(--ps-bg-secondary, #1e293b);
}

[data-theme="dark"] .ps-waveform-wrapper:hover {
    background: var(--ps-bg-tertiary, #334155);
}

[data-theme="dark"] .ps-waveform-wrapper.loading::after {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
}

[data-theme="dark"] .ps-waveform-progress {
    background: linear-gradient(
        90deg,
        rgba(29, 185, 84, 0.15),
        rgba(29, 185, 84, 0.05)
    );
}

[data-theme="dark"] .ps-chapters-toggle {
    background: var(--ps-bg-tertiary, #334155);
}

[data-theme="dark"] .ps-chapters-toggle:hover {
    background: var(--ps-bg-secondary, #1e293b);
}

[data-theme="dark"] .ps-chapter-item:hover {
    background: var(--ps-bg-tertiary, #334155);
}

[data-theme="dark"] .ps-chapter-number {
    background: var(--ps-bg-tertiary, #334155);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .ps-waveform-wrapper {
        height: 80px;
    }
    
    .ps-chapters-list {
        max-height: 200px;
    }
    
    .ps-chapter-item {
        padding: 10px 12px;
        gap: 12px;
    }
    
    .ps-chapter-number,
    .ps-chapter-image {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
    
    .ps-chapter-name {
        font-size: 13px;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes ps-chapter-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.ps-chapter-item.active .ps-chapter-indicator {
    animation: ps-chapter-pulse 2s ease-in-out infinite;
}