/* ==============================================
   AudioPlayer v2 -- Theme-Aware Styles
   Mobile-first, responsive, accessible
   ============================================== */

/* ------------------------------------------
   Main Player
   ------------------------------------------ */
.audio-player-v2 {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--box-shadow-light);
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    box-sizing: border-box;
}

/* ------------------------------------------
   Header -- cover image + title/chapter info
   ------------------------------------------ */
.audio-player-v2 .ap-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.audio-player-v2 .ap-header img {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.audio-player-v2 .ap-header-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.audio-player-v2 .ap-header-info .ap-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-player-v2 .ap-header-info .ap-chapter-name {
    font-size: 0.85rem;
    color: var(--text-color-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ------------------------------------------
   Progress Bar
   ------------------------------------------ */
.audio-player-v2 .ap-progress {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.audio-player-v2 .progress-bar-container {
    position: relative;
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    cursor: pointer;
    transition: height 0.2s ease;
    overflow: visible;
}

.audio-player-v2 .progress-bar-container:hover {
    height: 12px;
}

.audio-player-v2 .progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.1s linear;
    pointer-events: none;
}

.audio-player-v2 .progress-thumb {
    position: absolute;
    top: 50%;
    left: 0;
    width: 12px;
    height: 12px;
    background: #ffffff;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.audio-player-v2 .progress-bar-container:hover .progress-thumb {
    opacity: 1;
}

.audio-player-v2 .ap-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-color-muted);
    user-select: none;
}

/* ------------------------------------------
   Primary Controls
   ------------------------------------------ */
.audio-player-v2 .ap-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.audio-player-v2 .ap-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background-color 0.15s ease, transform 0.1s ease;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.audio-player-v2 .ap-btn:hover {
    background: var(--bg-color-alt);
    transform: scale(1.05);
}

.audio-player-v2 .ap-btn:active {
    transform: scale(0.95);
}

.audio-player-v2 .ap-btn-play {
    width: 52px;
    height: 52px;
    background: var(--primary-color);
    color: #ffffff;
    font-size: 1.25rem;
}

.audio-player-v2 .ap-btn-play:hover {
    background: var(--primary-color);
    filter: brightness(1.1);
}

.audio-player-v2 .ap-btn:disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

/* ------------------------------------------
   Secondary Controls -- speed, sleep, chapter count
   ------------------------------------------ */
.audio-player-v2 .ap-secondary {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-color-muted);
}

.audio-player-v2 .ap-speed-btn,
.audio-player-v2 .ap-sleep-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
}

.audio-player-v2 .ap-speed-btn:hover,
.audio-player-v2 .ap-sleep-btn:hover {
    background: var(--bg-color-alt);
    color: var(--text-color);
}

.audio-player-v2 .ap-speed-btn.active,
.audio-player-v2 .ap-sleep-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* ------------------------------------------
   Chapter List
   ------------------------------------------ */
.audio-player-v2 .ap-chapters {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.audio-player-v2 .ap-chapter-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 0;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.audio-player-v2 .ap-chapter-toggle:hover {
    opacity: 0.8;
}

.audio-player-v2 .ap-chapter-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-height: 300px;
    overflow-y: auto;
}

.audio-player-v2 .ap-chapter-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 8px;
    background: none;
    border: none;
    border-radius: 8px;
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.15s ease;
}

.audio-player-v2 .ap-chapter-item:hover {
    background: var(--bg-color-alt);
}

.audio-player-v2 .ap-chapter-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

.audio-player-v2 .ap-chapter-item.active .ap-chapter-number {
    background: var(--primary-color);
    color: #ffffff;
}

.audio-player-v2 .ap-chapter-item.locked {
    opacity: 0.45;
    cursor: default;
    pointer-events: none;
}

.audio-player-v2 .ap-chapter-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-color-alt);
    color: var(--text-color-muted);
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.audio-player-v2 .ap-chapter-title {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-player-v2 .ap-chapter-duration {
    font-size: 0.75rem;
    color: var(--text-color-muted);
    flex-shrink: 0;
}

/* ==============================================
   Mini Player
   ============================================== */
.mini-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    height: 64px;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.mini-player.visible {
    transform: translateY(0);
}

/* Progress bar at top of mini player */
.mini-player .mp-progress {
    width: 100%;
    height: 3px;
    background: var(--border-color);
    flex-shrink: 0;
}

.mini-player .mp-progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.1s linear;
}

/* Content row */
.mini-player .mp-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 4px 12px;
    flex: 1;
    min-width: 0;
}

/* Cover image */
.mini-player .mp-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

/* Info section -- styled as a button for tap-to-expand */
.mini-player .mp-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1px;
    flex: 1;
    min-width: 0;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    color: inherit;
}

.mini-player .mp-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-player .mp-chapter {
    font-size: 0.8rem;
    color: var(--text-color);
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Controls */
.mini-player .mp-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.mini-player .mp-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    padding: 0;
    line-height: 1;
    transition: background-color 0.15s ease;
    flex-shrink: 0;
}

.mini-player .mp-btn:hover {
    background: var(--bg-color-alt);
}

.mini-player .mp-play {
    background: var(--primary-color);
    color: #ffffff;
}

.mini-player .mp-play:hover {
    background: var(--primary-color);
    filter: brightness(1.1);
}

.mini-player .mp-close {
    color: var(--text-color-muted);
}

.mini-player .mp-close:hover {
    color: var(--text-color);
}

/* ==============================================
   Dark mode -- mini player overrides
   ============================================== */
body.dark-mode .mini-player,
html.dark-mode .mini-player {
    background: #1a1a1a;
    border-top-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.4);
}

body.dark-mode .mini-player .mp-title,
html.dark-mode .mini-player .mp-title {
    color: #f0f0f0;
}

body.dark-mode .mini-player .mp-chapter,
html.dark-mode .mini-player .mp-chapter {
    color: #d0d0d0;
}

/* ==============================================
   Responsive -- Mobile (up to 768px)
   Position mini player above the bottom nav
   ============================================== */
@media (max-width: 768px) {
    .mini-player.visible {
        bottom: var(--bottom-nav-height, 52px);
    }
}

/* ==============================================
   Responsive -- Desktop (768px+)
   ============================================== */
@media (min-width: 768px) {
    .audio-player-v2 {
        padding: 20px;
        gap: 14px;
    }

    .audio-player-v2 .ap-chapter-list {
        max-height: 400px;
    }

    .mini-player .mp-content {
        padding: 4px 20px;
    }
}

/* ==============================================
   Accessibility -- Reduced Motion
   ============================================== */
@media (prefers-reduced-motion: reduce) {
    .audio-player-v2 .progress-bar-container,
    .audio-player-v2 .progress-fill,
    .audio-player-v2 .progress-thumb,
    .audio-player-v2 .ap-btn,
    .audio-player-v2 .ap-btn-play,
    .audio-player-v2 .ap-speed-btn,
    .audio-player-v2 .ap-sleep-btn,
    .audio-player-v2 .ap-chapter-item,
    .audio-player-v2 .ap-chapter-toggle,
    .mini-player,
    .mini-player .mp-progress-fill,
    .mini-player .mp-btn,
    .mini-player .mp-play {
        transition: none;
    }
}

/* ==============================================
   Accessibility -- Focus Visible
   ============================================== */
.audio-player-v2 .ap-btn:focus-visible,
.audio-player-v2 .ap-btn-play:focus-visible,
.audio-player-v2 .ap-speed-btn:focus-visible,
.audio-player-v2 .ap-sleep-btn:focus-visible,
.audio-player-v2 .ap-chapter-toggle:focus-visible,
.audio-player-v2 .ap-chapter-item:focus-visible,
.audio-player-v2 .progress-bar-container:focus-visible,
.mini-player .mp-btn:focus-visible,
.mini-player .mp-play:focus-visible,
.mini-player .mp-close:focus-visible,
.mini-player .mp-info:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==============================================
   Accessibility -- High Contrast
   ============================================== */
@media (forced-colors: active) {
    .audio-player-v2 {
        border: 2px solid ButtonText;
    }

    .audio-player-v2 .progress-bar-container {
        border: 1px solid ButtonText;
    }

    .audio-player-v2 .progress-fill {
        background: Highlight;
    }

    .audio-player-v2 .ap-btn,
    .audio-player-v2 .ap-btn-play {
        border: 1px solid ButtonText;
    }

    .audio-player-v2 .ap-chapter-item {
        border: 1px solid transparent;
    }

    .audio-player-v2 .ap-chapter-item.active {
        border-color: Highlight;
    }

    .mini-player {
        border-top: 2px solid ButtonText;
    }

    .mini-player .mp-btn,
    .mini-player .mp-play {
        border: 1px solid ButtonText;
    }
}