/* ===================================================================
   PODCAST PLAYER — Hearth Theme
   "Keeper of the Flame" Multi-Character Podcast Player

   Accessibility: WCAG 2.1 AA compliant
   - Keyboard navigable (Tab, Space, Enter, Arrow keys)
   - Screen reader friendly (ARIA labels, live regions, roles)
   - Focus visible indicators
   - Reduced motion support
   - Minimum 44px touch targets
   - Color contrast 4.5:1+ for all text
   =================================================================== */

/* === Character Colors === */
:root {
    --podcast-host-color: #2E7D6F;
    --podcast-host-bg: rgba(46, 125, 111, 0.1);
    --podcast-host-border: rgba(46, 125, 111, 0.3);
    --podcast-expert-color: #5D4037;
    --podcast-expert-bg: rgba(93, 64, 55, 0.1);
    --podcast-expert-border: rgba(93, 64, 55, 0.3);
    --podcast-narrator-color: #B8894A;
    --podcast-narrator-bg: rgba(184, 137, 74, 0.1);
    --podcast-narrator-border: rgba(184, 137, 74, 0.3);
}

/* ============================================================================
   SECTION CONTAINER
   ============================================================================ */

.podcast-section {
    margin: 0 0 2rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color, #D7CCC8);
    background: var(--card-bg, #fff);
    box-shadow: 0 2px 12px rgba(62, 39, 35, 0.08);
    transition: box-shadow var(--transition-smooth, 0.3s ease);
}

.podcast-section:hover {
    box-shadow: 0 4px 20px rgba(62, 39, 35, 0.12);
}

/* ============================================================================
   TOGGLE HEADER (collapsed state)
   ============================================================================ */

.podcast-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border: none;
    background: var(--gradient-hearth-dark, linear-gradient(135deg, #2C1810, #3E2723, #4E342E));
    color: var(--color-text-inverse, #FAF8F5);
    cursor: pointer;
    font-family: var(--font-body, 'Open Sans', sans-serif);
    font-size: 0.95rem;
    text-align: left;
    transition: background var(--transition-smooth, 0.3s ease);
    min-height: 64px;
}

.podcast-toggle:hover {
    background: linear-gradient(135deg, #3E2723, #4E342E, #5D4037);
}

.podcast-toggle:focus-visible {
    outline: 3px solid var(--color-focus, #D7A86E);
    outline-offset: -3px;
    box-shadow: inset 0 0 0 3px rgba(215, 168, 110, 0.4);
}

.podcast-toggle[aria-expanded="true"] {
    border-bottom: 2px solid var(--color-secondary, #D7A86E);
}

/* Podcast icon */
.podcast-toggle-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(215, 168, 110, 0.2);
    border-radius: 50%;
    transition: background var(--transition-smooth, 0.3s ease);
}

.podcast-toggle:hover .podcast-toggle-icon {
    background: rgba(215, 168, 110, 0.3);
}

.podcast-toggle-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--color-secondary, #D7A86E);
}

/* Title area */
.podcast-toggle-text {
    flex: 1;
    min-width: 0;
}

.podcast-toggle-title {
    display: block;
    font-family: var(--font-heading, 'Merriweather', serif);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-secondary, #D7A86E);
    line-height: 1.3;
}

.podcast-toggle-subtitle {
    display: block;
    font-size: 0.8rem;
    color: rgba(250, 248, 245, 0.7);
    margin-top: 2px;
    line-height: 1.3;
}

/* Expand/collapse chevron */
.podcast-toggle-chevron {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    transition: transform var(--transition-smooth, 0.3s ease);
}

.podcast-toggle-chevron svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-secondary, #D7A86E);
    fill: none;
    stroke-width: 2;
}

.podcast-toggle[aria-expanded="true"] .podcast-toggle-chevron {
    transform: rotate(180deg);
}

/* ============================================================================
   PLAYER CONTENT (expanded state)
   ============================================================================ */

.podcast-content {
    display: none;
}

.podcast-content.expanded {
    display: block;
}

/* ============================================================================
   CONTROLS BAR
   ============================================================================ */

.podcast-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-bg-dark, #3E2723);
    border-bottom: 1px solid rgba(215, 168, 110, 0.2);
    flex-wrap: nowrap;
}

/* Transport buttons (prev, play/pause, next) */
.podcast-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text-inverse, #FAF8F5);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-smooth, 0.3s ease);
    padding: 0;
}

.podcast-btn:focus-visible {
    outline: 3px solid var(--color-focus, #D7A86E);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(215, 168, 110, 0.3);
}

.podcast-btn svg {
    fill: currentColor;
}

/* Skip buttons */
.podcast-btn--skip {
    width: 28px;
    height: 28px;
    min-width: 44px;
    min-height: 44px;
    color: rgba(250, 248, 245, 0.7);
    flex-shrink: 0;
}

.podcast-btn--skip:hover {
    color: var(--color-secondary, #D7A86E);
    background: rgba(215, 168, 110, 0.15);
}

.podcast-btn--skip svg {
    width: 18px;
    height: 18px;
}

/* Play/Pause button (larger, prominent) */
.podcast-btn--play {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    background: var(--color-secondary, #D7A86E);
    color: var(--color-bg-dark, #3E2723);
    box-shadow: 0 2px 8px rgba(215, 168, 110, 0.3);
}

.podcast-btn--play:hover {
    background: var(--color-secondary-light, #E8C9A0);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(215, 168, 110, 0.4);
}

.podcast-btn--play:active {
    transform: scale(0.98);
}

.podcast-btn--play svg {
    width: 22px;
    height: 22px;
}

/* Progress section — takes all available space */
.podcast-progress {
    flex: 1 1 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    padding: 0 0.25rem;
}

/* Progress bar track */
.podcast-progress-track {
    flex: 1;
    height: 6px;
    background: rgba(250, 248, 245, 0.15);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    transition: height 0.15s ease;
}

.podcast-progress-track:hover {
    height: 10px;
}

/* Make the clickable area larger than the visible bar */
.podcast-progress-track::before {
    content: '';
    position: absolute;
    top: -10px;
    bottom: -10px;
    left: 0;
    right: 0;
}

/* Progress bar fill */
.podcast-progress-fill {
    height: 100%;
    background: var(--color-secondary, #D7A86E);
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

/* Progress bar thumb */
.podcast-progress-fill::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--color-secondary, #D7A86E);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.15s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.podcast-progress-track:hover .podcast-progress-fill::after {
    opacity: 1;
}

/* Time display */
.podcast-time {
    font-size: 0.7rem;
    color: rgba(250, 248, 245, 0.5);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Volume control */
.podcast-volume {
    display: flex;
    align-items: center;
    gap: 6px;
}

.podcast-btn--volume {
    width: 28px;
    height: 28px;
    min-width: 44px;
    min-height: 44px;
    color: rgba(250, 248, 245, 0.7);
    flex-shrink: 0;
}

.podcast-btn--volume:hover {
    color: var(--color-secondary, #D7A86E);
    background: rgba(215, 168, 110, 0.15);
}

.podcast-btn--volume svg {
    width: 18px;
    height: 18px;
}

/* Volume slider — MUST beat accessibility.css input:not():not() (specificity 0,2,1)
   Using triple-class selector (0,3,0) — same approach as video-player.css */
.podcast-section .podcast-volume .podcast-volume-slider {
    display: inline-block;
    width: 70px;
    height: 4px;
    min-height: 0;
    min-width: 0;
    padding: 0;
    margin: 0;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border: none;
    border-radius: 0;
    outline: none;
    cursor: pointer;
    box-shadow: none;
}

.podcast-volume-slider::-webkit-slider-runnable-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    border: none;
}

.podcast-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--color-secondary-light, #E8C9A0);
    border-radius: 50%;
    cursor: pointer;
    margin-top: -4px;
    border: none;
}

.podcast-volume-slider::-moz-range-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    border: none;
}

.podcast-volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--color-secondary-light, #E8C9A0);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.podcast-volume-slider:focus-visible {
    outline: 2px solid var(--color-focus, #D7A86E);
    outline-offset: 4px;
}

/* Speed control — button that cycles through speeds (no native <select>) */
.podcast-speed-btn {
    background: transparent;
    color: rgba(250, 248, 245, 0.5);
    border: none;
    padding: 0 4px;
    font-size: 0.7rem;
    font-family: var(--font-body, 'Open Sans', sans-serif);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    width: auto;
    text-align: center;
    white-space: nowrap;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.podcast-speed-btn:hover {
    color: rgba(250, 248, 245, 0.9);
    background: rgba(255, 255, 255, 0.1);
}

.podcast-speed-btn:focus-visible {
    outline: 2px solid var(--color-focus, #D7A86E);
    outline-offset: 2px;
}

/* Download button — always white */
.podcast-btn--download {
    width: 30px;
    height: 30px;
    min-width: 44px;
    min-height: 44px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.podcast-btn--download,
.podcast-btn--download:visited,
.podcast-btn--download:link,
.podcast-btn--download:active {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.podcast-btn--download:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.podcast-btn--download svg {
    width: 16px;
    height: 16px;
}

/* ============================================================================
   TRANSCRIPT AREA
   ============================================================================ */

.podcast-transcript {
    max-height: 380px;
    overflow-y: auto;
    padding: 1rem 1.25rem;
    background: var(--color-bg, #FAF8F5);
    scroll-behavior: smooth;
}

/* Custom scrollbar */
.podcast-transcript::-webkit-scrollbar {
    width: 6px;
}

.podcast-transcript::-webkit-scrollbar-track {
    background: transparent;
}

.podcast-transcript::-webkit-scrollbar-thumb {
    background: var(--border-color, #D7CCC8);
    border-radius: 3px;
}

.podcast-transcript::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent, #8D6E63);
}

/* Segment row */
.podcast-segment {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.25rem;
    cursor: pointer;
    transition: all var(--transition-smooth, 0.3s ease);
    border: 2px solid transparent;
    opacity: 0.7;
}

.podcast-segment:hover {
    background: var(--hover-bg, rgba(93, 64, 55, 0.06));
    opacity: 1;
}

.podcast-segment:focus-visible {
    outline: 3px solid var(--color-focus, #D7A86E);
    outline-offset: -1px;
    opacity: 1;
}

/* Active/playing segment */
.podcast-segment.active {
    opacity: 1;
    background: var(--active-bg, rgba(215, 168, 110, 0.15));
    border-color: var(--color-secondary-light, #E8C9A0);
}

/* Speaker badge */
.podcast-speaker-badge {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: transform var(--transition-smooth, 0.3s ease);
}

.podcast-segment.active .podcast-speaker-badge {
    transform: scale(1.1);
}

/* Character-specific badge colors */
.podcast-speaker-badge--host {
    background: var(--podcast-host-bg);
    color: var(--podcast-host-color);
    border: 2px solid var(--podcast-host-border);
}

.podcast-speaker-badge--expert {
    background: var(--podcast-expert-bg);
    color: var(--podcast-expert-color);
    border: 2px solid var(--podcast-expert-border);
}

.podcast-speaker-badge--narrator {
    background: var(--podcast-narrator-bg);
    color: var(--podcast-narrator-color);
    border: 2px solid var(--podcast-narrator-border);
}

/* Segment content */
.podcast-segment-content {
    flex: 1;
    min-width: 0;
}

.podcast-speaker-name {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
    line-height: 1;
}

.podcast-speaker-name--host {
    color: var(--podcast-host-color);
}

.podcast-speaker-name--expert {
    color: var(--podcast-expert-color);
}

.podcast-speaker-name--narrator {
    color: var(--podcast-narrator-color);
}

/* Now playing indicator */
.podcast-now-playing {
    display: none;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-secondary-dark, #B8894A);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: podcast-pulse 1.5s ease-in-out infinite;
}

.podcast-segment.active .podcast-now-playing {
    display: inline-block;
}

@keyframes podcast-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.podcast-segment-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text, #3E2723);
    margin: 0;
}

.podcast-segment.active .podcast-segment-text {
    font-weight: 500;
    color: var(--color-primary-dark, #3E2723);
}

/* ============================================================================
   LIVE REGION (screen reader announcements)
   ============================================================================ */

.podcast-live-region {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================================
   LOADING & ERROR STATES
   ============================================================================ */

.podcast-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--color-text-muted, #8D6E63);
    font-size: 0.9rem;
}

.podcast-loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color, #D7CCC8);
    border-top-color: var(--color-secondary, #D7A86E);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.podcast-error {
    padding: 1.5rem;
    text-align: center;
    color: var(--error-text, #C62828);
    background: var(--error-bg, #FFEBEE);
    border-radius: 0 0 12px 12px;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .podcast-controls {
        gap: 0.25rem;
        padding: 0.5rem 0.75rem;
    }

    .podcast-volume-slider {
        width: 40px;
    }

    .podcast-time {
        min-width: 65px;
        font-size: 0.7rem;
    }

    .podcast-speed-btn {
        font-size: 0.65rem;
    }

    .podcast-transcript {
        max-height: 300px;
        padding: 0.75rem;
    }

    .podcast-segment {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .podcast-segment-text {
        font-size: 0.85rem;
    }

    .podcast-toggle {
        padding: 0.75rem 1rem;
    }

    .podcast-toggle-title {
        font-size: 0.85rem;
    }

    .podcast-toggle-subtitle {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .podcast-volume {
        display: none;
    }

    .podcast-toggle-icon {
        width: 34px;
        height: 34px;
    }

    .podcast-toggle-icon svg {
        width: 18px;
        height: 18px;
    }
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    .podcast-toggle-chevron,
    .podcast-segment,
    .podcast-btn--play,
    .podcast-progress-fill,
    .podcast-speaker-badge {
        transition: none !important;
    }

    .podcast-now-playing {
        animation: none !important;
        opacity: 1 !important;
    }

    .podcast-transcript {
        scroll-behavior: auto;
    }
}

/* ============================================================================
   HIGH CONTRAST MODE
   ============================================================================ */

@media (forced-colors: active) {
    .podcast-toggle {
        border: 2px solid ButtonText;
    }

    .podcast-segment.active {
        border: 2px solid Highlight;
    }

    .podcast-speaker-badge {
        border: 2px solid currentColor !important;
    }

    .podcast-progress-fill {
        background: Highlight;
    }

    .podcast-btn--play {
        background: ButtonFace;
        color: ButtonText;
        border: 2px solid ButtonText;
    }
}

/* ============================================================================
   PRINT
   ============================================================================ */

@media print {
    .podcast-section {
        break-inside: avoid;
    }

    .podcast-controls,
    .podcast-toggle-chevron,
    .podcast-now-playing {
        display: none !important;
    }

    .podcast-content {
        display: block !important;
    }

    .podcast-transcript {
        max-height: none;
        overflow: visible;
    }

    .podcast-segment {
        opacity: 1;
        border: none;
        page-break-inside: avoid;
    }
}