/* ===== Audio Player Block — bkbg-ap- ===== */

.bkbg-ap-wrapper {
    max-width: var(--bkbg-ap-max-width, 560px);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    font-family: inherit;
    box-sizing: border-box;
}

/* ── Player shell (all styles) ───────────────────────────────────────────── */
.bkbg-ap-player {
    background: var(--bkbg-ap-bg, #ffffff);
    border-radius: var(--bkbg-ap-radius, 14px);
    padding: var(--bkbg-ap-pad, 20px 24px);
    box-shadow: var(--bkbg-ap-shadow, 0 4px 20px rgba(0,0,0,0.12));
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

/* ── Top row (cover + info) ──────────────────────────────────────────────── */
.bkbg-ap-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

/* ── Cover art ───────────────────────────────────────────────────────────── */
.bkbg-ap-cover {
    flex-shrink: 0;
    width: var(--bkbg-ap-cover-size, 80px);
    height: var(--bkbg-ap-cover-size, 80px);
    border-radius: var(--bkbg-ap-cover-radius, 8px);
    overflow: hidden;
    background: #f0f4f8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bkbg-ap-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bkbg-ap-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b0bec5;
    background: linear-gradient(135deg, #e8edf3, #d1dae5);
}

/* ── Track info ──────────────────────────────────────────────────────────── */
.bkbg-ap-info-col {
    flex: 1;
    min-width: 0;
}

.bkbg-ap-track-info {
    margin-bottom: 10px;
}

.bkbg-ap-title {
    font-family: var(--bkbg-ap-title-font-family, inherit);
    font-size: var(--bkbg-ap-title-font-size-d, var(--bkbg-ap-title-font-size, var(--bkbg-ap-title-size, 17px)));
    font-weight: var(--bkbg-ap-title-font-weight, var(--bkbg-ap-title-weight, 700));
    font-style: var(--bkbg-ap-title-font-style, normal);
    text-transform: var(--bkbg-ap-title-text-transform, none);
    text-decoration: var(--bkbg-ap-title-text-decoration, none);
    line-height: var(--bkbg-ap-title-line-height-d, var(--bkbg-ap-title-line-height, 1.25));
    letter-spacing: var(--bkbg-ap-title-letter-spacing-d, var(--bkbg-ap-title-letter-spacing, normal));
    word-spacing: var(--bkbg-ap-title-word-spacing-d, var(--bkbg-ap-title-word-spacing, normal));
    color: var(--bkbg-ap-text-color, #111827);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.bkbg-ap-artist {
    font-family: var(--bkbg-ap-artist-font-family, inherit);
    font-size: var(--bkbg-ap-artist-font-size-d, var(--bkbg-ap-artist-font-size, var(--bkbg-ap-artist-size, 14px)));
    font-weight: var(--bkbg-ap-artist-font-weight, 400);
    font-style: var(--bkbg-ap-artist-font-style, normal);
    text-transform: var(--bkbg-ap-artist-text-transform, none);
    text-decoration: var(--bkbg-ap-artist-text-decoration, none);
    line-height: var(--bkbg-ap-artist-line-height-d, var(--bkbg-ap-artist-line-height, 1.3));
    letter-spacing: var(--bkbg-ap-artist-letter-spacing-d, var(--bkbg-ap-artist-letter-spacing, normal));
    word-spacing: var(--bkbg-ap-artist-word-spacing-d, var(--bkbg-ap-artist-word-spacing, normal));
    color: var(--bkbg-ap-subtitle-color, #6b7280);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bkbg-ap-album {
    font-size: 12px;
    color: var(--bkbg-ap-subtitle-color, #6b7280);
    opacity: 0.75;
    letter-spacing: 0.03em;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Progress bar ────────────────────────────────────────────────────────── */
.bkbg-ap-progress-wrap {
    width: 100%;
}

.bkbg-ap-progress-track {
    position: relative;
    width: 100%;
    height: var(--bkbg-ap-progress-h, 4px);
    background: var(--bkbg-ap-progress-bg, #e5e7eb);
    border-radius: 999px;
    cursor: pointer;
    touch-action: none;
}

.bkbg-ap-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--bkbg-ap-accent, #2563eb);
    border-radius: 999px;
    pointer-events: none;
    transition: width 0.1s linear;
}

.bkbg-ap-progress-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%) scale(0);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bkbg-ap-accent, #2563eb);
    pointer-events: none;
    transition: transform 0.15s ease, left 0.1s linear;
}

.bkbg-ap-progress-track:hover .bkbg-ap-progress-thumb {
    transform: translate(-50%, -50%) scale(1);
}

/* seek range overlay (transparent, sits on top) */
.bkbg-ap-seek {
    position: absolute;
    inset: -8px 0;
    width: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.bkbg-ap-timestamps {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--bkbg-ap-subtitle-color, #9ca3af);
    margin-top: 5px;
    letter-spacing: 0.02em;
}

/* ── Controls row ────────────────────────────────────────────────────────── */
.bkbg-ap-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 4px;
}

/* ── Play button ─────────────────────────────────────────────────────────── */
.bkbg-ap-play-btn {
    flex-shrink: 0;
    width: var(--bkbg-ap-btn-size, 52px);
    height: var(--bkbg-ap-btn-size, 52px);
    border-radius: 50%;
    background: var(--bkbg-ap-icon-bg, var(--bkbg-ap-accent, #2563eb));
    color: var(--bkbg-ap-icon-color, #ffffff);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.bkbg-ap-play-btn:hover {
    transform: scale(1.07);
    box-shadow: 0 4px 16px rgba(0,0,0,0.22);
}

.bkbg-ap-play-btn:active {
    transform: scale(0.96);
}

.bkbg-ap-play-btn svg.bkbg-ap-icon-pause { display: none; }
.bkbg-ap-play-btn svg.bkbg-ap-icon-play  { display: block; }
.bkbg-ap-playing .bkbg-ap-play-btn svg.bkbg-ap-icon-pause { display: block; }
.bkbg-ap-playing .bkbg-ap-play-btn svg.bkbg-ap-icon-play  { display: none; }

/* ── Volume ──────────────────────────────────────────────────────────────── */
.bkbg-ap-volume {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.bkbg-ap-vol-btn {
    background: transparent;
    border: none;
    color: var(--bkbg-ap-subtitle-color, #6b7280);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    border-radius: 4px;
    transition: color 0.15s;
}

.bkbg-ap-vol-btn:hover { color: var(--bkbg-ap-accent, #2563eb); }

.bkbg-ap-vol-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 72px;
    height: 4px;
    border-radius: 999px;
    background: var(--bkbg-ap-progress-bg, #e5e7eb);
    outline: none;
    cursor: pointer;
}

.bkbg-ap-vol-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bkbg-ap-accent, #2563eb);
    cursor: pointer;
}

.bkbg-ap-vol-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bkbg-ap-accent, #2563eb);
    border: none;
    cursor: pointer;
}

/* ── Speed & download buttons ────────────────────────────────────────────── */
.bkbg-ap-speed-btn,
.bkbg-ap-download-btn {
    background: transparent;
    border: 1px solid currentColor;
    color: var(--bkbg-ap-subtitle-color, #6b7280);
    border-radius: 6px;
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.bkbg-ap-speed-btn:hover,
.bkbg-ap-download-btn:hover {
    color: var(--bkbg-ap-accent, #2563eb);
    border-color: var(--bkbg-ap-accent, #2563eb);
}

/* ── Minimal style ───────────────────────────────────────────────────────── */
.bkbg-ap-style-minimal .bkbg-ap-player {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
}

.bkbg-ap-style-minimal .bkbg-ap-play-btn {
    width: var(--bkbg-ap-btn-size, 42px);
    height: var(--bkbg-ap-btn-size, 42px);
    min-width: 34px;
    min-height: 34px;
}

.bkbg-ap-minimal-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bkbg-ap-style-minimal .bkbg-ap-title {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bkbg-ap-style-minimal .bkbg-ap-progress-track {
    height: 3px;
}

/* ── Compact style ───────────────────────────────────────────────────────── */
.bkbg-ap-style-compact .bkbg-ap-top {
    margin-bottom: 10px;
}

.bkbg-ap-style-compact .bkbg-ap-cover {
    width: calc(var(--bkbg-ap-cover-size, 80px) * 0.75);
    height: calc(var(--bkbg-ap-cover-size, 80px) * 0.75);
}

/* ── Responsive / Mobile ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .bkbg-ap-title {
        font-size: var(--bkbg-ap-title-font-size-t, var(--bkbg-ap-title-font-size-d, var(--bkbg-ap-title-font-size, var(--bkbg-ap-title-size, 17px))));
        line-height: var(--bkbg-ap-title-line-height-t, var(--bkbg-ap-title-line-height-d, var(--bkbg-ap-title-line-height, 1.25)));
        letter-spacing: var(--bkbg-ap-title-letter-spacing-t, var(--bkbg-ap-title-letter-spacing-d, var(--bkbg-ap-title-letter-spacing, normal)));
        word-spacing: var(--bkbg-ap-title-word-spacing-t, var(--bkbg-ap-title-word-spacing-d, var(--bkbg-ap-title-word-spacing, normal)));
    }
    .bkbg-ap-artist {
        font-size: var(--bkbg-ap-artist-font-size-t, var(--bkbg-ap-artist-font-size-d, var(--bkbg-ap-artist-font-size, var(--bkbg-ap-artist-size, 14px))));
        line-height: var(--bkbg-ap-artist-line-height-t, var(--bkbg-ap-artist-line-height-d, var(--bkbg-ap-artist-line-height, 1.3)));
        letter-spacing: var(--bkbg-ap-artist-letter-spacing-t, var(--bkbg-ap-artist-letter-spacing-d, var(--bkbg-ap-artist-letter-spacing, normal)));
        word-spacing: var(--bkbg-ap-artist-word-spacing-t, var(--bkbg-ap-artist-word-spacing-d, var(--bkbg-ap-artist-word-spacing, normal)));
    }
}

@media (max-width: 767px) {
    .bkbg-ap-title {
        font-size: var(--bkbg-ap-title-font-size-m, var(--bkbg-ap-title-font-size-t, var(--bkbg-ap-title-font-size-d, var(--bkbg-ap-title-font-size, var(--bkbg-ap-title-size, 17px)))));
        line-height: var(--bkbg-ap-title-line-height-m, var(--bkbg-ap-title-line-height-t, var(--bkbg-ap-title-line-height-d, var(--bkbg-ap-title-line-height, 1.25))));
        letter-spacing: var(--bkbg-ap-title-letter-spacing-m, var(--bkbg-ap-title-letter-spacing-t, var(--bkbg-ap-title-letter-spacing-d, var(--bkbg-ap-title-letter-spacing, normal))));
        word-spacing: var(--bkbg-ap-title-word-spacing-m, var(--bkbg-ap-title-word-spacing-t, var(--bkbg-ap-title-word-spacing-d, var(--bkbg-ap-title-word-spacing, normal))));
    }
    .bkbg-ap-artist {
        font-size: var(--bkbg-ap-artist-font-size-m, var(--bkbg-ap-artist-font-size-t, var(--bkbg-ap-artist-font-size-d, var(--bkbg-ap-artist-font-size, var(--bkbg-ap-artist-size, 14px)))));
        line-height: var(--bkbg-ap-artist-line-height-m, var(--bkbg-ap-artist-line-height-t, var(--bkbg-ap-artist-line-height-d, var(--bkbg-ap-artist-line-height, 1.3))));
        letter-spacing: var(--bkbg-ap-artist-letter-spacing-m, var(--bkbg-ap-artist-letter-spacing-t, var(--bkbg-ap-artist-letter-spacing-d, var(--bkbg-ap-artist-letter-spacing, normal))));
        word-spacing: var(--bkbg-ap-artist-word-spacing-m, var(--bkbg-ap-artist-word-spacing-t, var(--bkbg-ap-artist-word-spacing-d, var(--bkbg-ap-artist-word-spacing, normal))));
    }
}

@media (max-width: 480px) {
    .bkbg-ap-vol-slider { display: none; }
    .bkbg-ap-cover { display: none; }
    .bkbg-ap-player { padding: 14px 16px; }
}