/* ========== SongControl ========== */

.sc-root {
    --sc-accent: var(--accent, #6c63ff);
    display: grid;
    gap: 12px;
}

/* ── Header ── */
.sc-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: color-mix(in srgb, var(--sc-accent) 12%, var(--bg-card));
    border: 1px solid color-mix(in srgb, var(--sc-accent) 30%, var(--border));
    border-left: 3px solid var(--sc-accent);
    border-radius: var(--radius);
    flex-wrap: wrap;
}

.sc-name-wrap {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.sc-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    cursor: default;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.sc-name-edit-btn {
    flex-shrink: 0;
    opacity: 0;
    width: 20px;
    height: 20px;
    padding: 3px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    transition: opacity 0.15s;
}

.sc-name-wrap:hover .sc-name-edit-btn {
    opacity: 0.6;
}

.sc-name-edit-btn:hover {
    opacity: 1 !important;
}

.sc-transport {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: fit-content;
    flex: 0 0 auto;
}

.sc-transport-time {
    min-width: 42px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
}

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

.sc-transport-range:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sc-transport-meta,
.sc-transport-hint {
    padding: 0 4px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.sc-transport-hint {
    color: var(--text-dim);
}

.sc-field {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sc-field label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.sc-bpm-input {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 0.88rem;
    text-align: center;
}

.sc-select {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 0.88rem;
}

/* ── Master Volume ── */
.sc-master-volume {
    gap: 6px;
}

.sc-volume-range {
    width: 80px;
    accent-color: var(--accent, #6c63ff);
}

.sc-volume-value {
    min-width: 34px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: right;
}

/* ── Buttons ── */
.sc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.sc-btn[hidden] {
    display: none;
}

.sc-btn:hover {
    background: var(--accent, #6c63ff);
    color: #fff;
    border-color: var(--accent, #6c63ff);
}

.sc-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sc-btn:disabled:hover {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

.sc-back-btn {
    width: auto;
    padding: 0 14px;
    height: 38px;
    border-radius: 10px;
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.sc-play-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    flex-shrink: 0;
}

.sc-stop-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    flex-shrink: 0;
}

.sc-loop-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    flex-shrink: 0;
}

.sc-play-btn.is-playing {
    background: var(--sc-accent, #6c63ff);
    color: #fff;
    border-color: var(--sc-accent, #6c63ff);
}

.sc-loop-btn.is-active {
    background: var(--sc-accent, #6c63ff);
    color: #fff;
    border-color: var(--sc-accent, #6c63ff);
}

.sc-add-btn {
    margin-left: auto;
    flex-shrink: 0;
}

.sc-add-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 100;
    min-width: 180px;
    overflow: hidden;
}

.sc-add-menu-item {
    display: block;
    width: 100%;
    padding: 8px 14px;
    border: none;
    background: none;
    color: var(--text);
    font: inherit;
    font-size: 0.82rem;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.sc-add-menu-item:hover {
    background: var(--accent, #6c63ff);
    color: #fff;
}

/* ── Track list ── */
.sc-track-list {
    position: relative;
    display: grid;
    gap: 12px;
}

.sc-track-entry {
    position: relative;
}

.sc-track-entry.is-dragging {
    opacity: 0.85;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    border-radius: 16px;
}

.sc-track-placeholder {
    border: 2px dashed var(--border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
}

.sc-track-list.is-reordering .sc-track-entry:not(.is-dragging) {
    transition: transform 0.15s ease;
}

.sc-root.is-track-focused .sc-transport,
.sc-root.is-track-focused .sc-add-btn,
.sc-root.is-track-focused .sc-song-overview-marker {
    display: none;
}

.sc-track-entry.is-hidden-track {
    display: none;
}

.sc-track-entry.is-focused-track {
    z-index: 2;
}

.sc-root.is-track-focused .sc-track-list {
    gap: 0;
}

.sc-song-overview-marker {
    position: absolute;
    width: 0;
    transform: translateX(-50%);
    pointer-events: auto;
    z-index: 15;
    opacity: 0;
    transition: opacity 0.15s;
    cursor: ew-resize;
}

.sc-song-overview-marker.is-visible {
    opacity: 1;
}

.sc-song-overview-marker-cap {
    width: 12px;
    height: 12px;
    margin: 0 auto;
    border: 2px solid color-mix(in srgb, var(--accent, #6c63ff) 78%, #fff);
    border-radius: 50%;
    background: color-mix(in srgb, var(--accent, #6c63ff) 82%, #fff 8%);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.26);
}

.sc-song-overview-marker-line {
    position: absolute;
    top: 10px;
    bottom: 0;
    left: 50%;
    width: 3px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent, #6c63ff) 100%, white 10%), color-mix(in srgb, var(--accent, #6c63ff) 60%, transparent));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent, #6c63ff) 25%, transparent);
}

/* mount point for each TrackControl */
.sc-track-mount > .tc-shell { margin: 0; }

@media (max-width: 920px) {
    .sc-transport {
        order: 99;
        min-width: auto;
    }

    .sc-transport-time {
        min-width: 36px;
    }
}