/* ========== STUDIO / PROJECTS ========== */

/* Console background mascot */
#section-studio {
    position: relative;
}

#section-studio::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/consoleDark.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.04;
    pointer-events: none;
}

html.light-theme #section-studio::after {
    background-image: url('../images/consoleWhite.jpg');
}

.studio-workspace {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ── Project Bar ── */
.studio-project-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.studio-project-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.studio-project-selector label {
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.studio-select {
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.9rem;
    min-width: 160px;
}

.studio-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.studio-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.studio-btn-danger:hover {
    background: var(--danger, #e53e3e);
    border-color: var(--danger, #e53e3e);
    color: #fff;
}

.studio-io-btns {
    display: flex;
    gap: 0.5rem;
}

/* ── Master Controls ── */
.studio-master {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.studio-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.studio-stop-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.studio-bpm,
.studio-key,
.studio-scale {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.studio-bpm label,
.studio-key label,
.studio-scale label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.studio-bpm input {
    width: 70px;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.9rem;
    text-align: center;
}

.studio-key select,
.studio-scale select {
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.9rem;
}

/* ── Tracks Container ── */
.studio-tracks {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 100px;
}

.studio-tracks-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-style: italic;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
}

/* ── Single Track Row ── */
.studio-track {
    display: flex;
    align-items: stretch;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    border-left: 3px solid var(--track-color, var(--border));
    overflow: hidden;
    transition: border-color 0.2s;
}
.studio-track.playing {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}
.studio-track.muted {
    opacity: 0.5;
}

/* Left: Track Info */
.studio-track-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.6rem 0.75rem;
    min-width: 140px;
    max-width: 160px;
    border-right: 1px solid var(--border);
    background: rgba(0,0,0,0.08);
}

.studio-track-name {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.studio-track-name-text {
    cursor: text;
}
.studio-track-name-text:hover {
    text-decoration: underline;
    text-decoration-style: dotted;
}

.studio-track-type-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
    background: var(--track-color, var(--accent));
}

.studio-track-controls {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.2rem;
}

.studio-track-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}
.studio-track-btn:hover {
    background: var(--accent);
    color: #fff;
}
.studio-track-btn.active-mute {
    background: #e53e3e;
    color: #fff;
    border-color: #e53e3e;
}
.studio-track-btn.active-solo {
    background: #d69e2e;
    color: #fff;
    border-color: #d69e2e;
}

.studio-track-vol {
    width: 60px;
    height: 4px;
    accent-color: var(--track-color, var(--accent));
}

/* Middle: Grid overview */
.studio-track-grid-wrap {
    flex: 1;
    padding: 0.4rem;
    display: flex;
    align-items: center;
}

.studio-track-bar {
    width: 100%;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
}

.studio-track-bar-fill {
    height: 100%;
    background: var(--track-color, var(--accent));
    border-radius: 3px;
    transition: width 0.2s;
}

/* Right: Track Actions */
.studio-track-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem;
    border-left: 1px solid var(--border);
    background: rgba(0,0,0,0.04);
}
.studio-action-remove {
    color: #e53e3e;
}
.studio-action-remove:hover {
    background: #e53e3e !important;
    border-color: #e53e3e !important;
    color: #fff;
}

/* ── Preset selector inside track ── */
.studio-track-preset {
    padding: 0.25rem 0.4rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    max-width: 120px;
}

/* ── Add Track Button ── */
.studio-add-track {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    justify-content: center;
    transition: border-color 0.2s;
}
.studio-add-track:hover {
    border-color: var(--accent);
}

.studio-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* ── Data / Empty badges ── */
.studio-data-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    margin-left: 0.3rem;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 700;
    background: var(--accent);
    color: #fff;
    vertical-align: middle;
}

.studio-empty-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    margin-left: 0.3rem;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 700;
    background: var(--text-muted);
    color: var(--bg);
    opacity: 0.5;
    vertical-align: middle;
}

.studio-bar-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    margin-left: 0.3rem;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 600;
    background: #e67e22;
    color: #fff;
    vertical-align: middle;
}

/* ── Empty message inside track grid ── */
.studio-track-empty-msg {
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
}

/* ── Capture / Edit action buttons ── */
.studio-action-capture,
.studio-action-edit {
    padding: 0.3rem 0.5rem !important;
    font-size: 0.8rem;
}

.studio-action-capture:hover {
    background: #38a169 !important;
    border-color: #38a169 !important;
    color: #fff;
}

.studio-action-edit:hover {
    background: #6c63ff !important;
    border-color: #6c63ff !important;
    color: #fff;
}

/* ── Playhead ── */
.studio-tracks {
    position: relative;
}

.studio-playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent, #6c63ff);
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.studio-playhead.visible {
    opacity: 1;
}

.studio-playhead-handle {
    position: absolute;
    top: -6px;
    left: -7px;
    width: 16px;
    height: 16px;
    background: var(--accent, #6c63ff);
    border: 2px solid #fff;
    border-radius: 50%;
    pointer-events: all;
    cursor: grab;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.studio-playhead-handle:active {
    cursor: grabbing;
    transform: scale(1.2);
}

/* ── Step-level grid overview ── */
.studio-step-grid {
    display: flex;
    gap: 1px;
    width: 100%;
    height: 20px;
    align-items: stretch;
    cursor: pointer;
    border-radius: 3px;
    overflow: hidden;
    background: rgba(0,0,0,0.08);
    position: relative;
}

.studio-step-cell {
    flex: 1;
    min-width: 0;
    background: var(--bg);
    transition: background 0.1s;
}
.studio-step-cell.active {
    background: var(--track-color, var(--accent));
    opacity: 0.85;
}
.studio-step-cell.bar-start {
    border-left: 1px solid rgba(255,255,255,0.15);
}
.studio-step-cell.playing {
    opacity: 1;
    filter: brightness(1.3);
}

/* ── Loop region overlay on studio tracks ── */
.studio-loop-region {
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(99, 102, 241, 0.25);
    border-left: 2px solid rgba(99, 102, 241, 0.7);
    border-right: 2px solid rgba(99, 102, 241, 0.7);
    pointer-events: none;
    z-index: 2;
    border-radius: 2px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .studio-project-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .studio-master {
        flex-direction: column;
        align-items: flex-start;
    }
    .studio-track {
        flex-direction: column;
    }
    .studio-track-info {
        max-width: none;
        min-width: 0;
        flex-direction: row;
        align-items: center;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .studio-track-grid-wrap {
        padding: 0.5rem;
    }
    .studio-grid-step {
        width: 24px;
        height: 28px;
    }
    .studio-track-actions {
        flex-direction: row;
        border-left: none;
        border-top: 1px solid var(--border);
        justify-content: flex-start;
    }
}