.guide-page {
    padding: 120px 0 64px;
}

.guide-wrap {
    width: min(1785px, calc(100% - 40px));
    margin: 0 auto;
}

.guide-layout {
    display: grid;
    grid-template-columns: minmax(0, 1485px) minmax(240px, 1fr);
    gap: 20px;
    align-items: stretch;
    justify-content: center;
}

.guide-player {
    background: #0f172a;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    color: #fff;
}

.guide-player video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    cursor: pointer;
}

.guide-error {
    position: absolute;
    inset: 0 0 64px 0;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    text-align: center;
    background: rgba(15, 23, 42, 0.88);
    z-index: 3;
}

.guide-error.is-visible {
    display: flex;
}

.guide-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px 12px;
    background: #0f172a;
}

.guide-controls button,
.guide-quality-menu button {
    border: 0;
    background: transparent;
    color: #fff;
    min-height: 36px;
    padding: 0 8px;
    border-radius: 8px;
    white-space: nowrap;
}

.guide-controls button:hover,
.guide-quality-menu button:hover,
.guide-quality-menu button.is-active {
    background: rgba(255, 255, 255, 0.12);
}

.guide-time {
    font-variant-numeric: tabular-nums;
    font-size: 12px;
    white-space: nowrap;
}

.guide-seek,
.guide-volume {
    accent-color: #2563eb;
}

.guide-seek {
    flex: 1;
    min-width: 80px;
}

.guide-volume {
    width: 80px;
}

.guide-quality {
    position: relative;
}

.guide-quality-menu {
    display: none;
    position: absolute;
    right: 0;
    bottom: 42px;
    min-width: 120px;
    padding: 6px;
    background: #1e293b;
    border-radius: 10px;
    z-index: 4;
}

.guide-quality.is-open .guide-quality-menu {
    display: block;
}

.guide-quality-menu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
}

.guide-chapters {
    background: #fff;
    border: 1px solid rgba(30, 41, 59, 0.12);
    border-radius: 16px;
    padding: 12px;
    height: 100%;
    overflow: auto;
}

.guide-chapters h2 {
    font-size: 16px;
    margin: 4px 8px 10px;
}

.guide-chapters button {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    border-radius: 10px;
    padding: 10px 8px;
    color: #0f172a;
}

.guide-chapters button.is-active {
    background: #eff6ff;
    color: #1d4ed8;
}

.guide-chapters .chapter-label {
    font-variant-numeric: tabular-nums;
    color: #64748b;
    flex: none;
}

@media (max-width: 1100px) {
    .guide-wrap {
        width: calc(100% - 24px);
    }

    .guide-layout {
        grid-template-columns: 1fr;
    }

    .guide-volume {
        display: none;
    }

    .guide-page {
        padding-top: 96px;
    }
}