/**
 * Track Mixer Component Styles (ported from track-mixer-styles.css)
 * Professional track mixing interface with per-track controls
 */

/* Track Mixer Styles (ported from previous injected CSS) */
.track-mixer,
.track-mixer * {
    margin: 0 !important;
}

/* Keep explicit button/select/.track-controls padding live; other mixer layout boxes remain reset. */
.track-mixer,
.track-mixer *:not(.track-controls):not(button):not(select) {
    padding: 0 !important;
}

.track-mixer *:not(button):not(select) {
    border: 0 !important;
}

.track-mixer {
    --lane-gap: 6px;
    --lane-start-offset: 0px;
    --mixer-row-height: var(--tracklane-row-height, 45px);
    position: fixed;
    top: var(--transport-topbar-height, 60px);
    left: 0;
    width: 220px;
    height: auto;
    max-height: calc(100vh - var(--transport-topbar-height, 60px) - var(--keyboard-height, 150px) - var(--statusbar-height, 28px) - 8px);
    background: linear-gradient(180deg, rgb(28, 31, 36) 0%, rgb(20, 22, 26) 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 13px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    will-change: transform;
    overflow: hidden;
    contain: layout paint style;
    z-index: 1100;
    transform: translateX(-100%);
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 0;
}

.track-mixer.track-mixer--sketch {
    width: 420px;
}

.track-mixer.visible {
    transform: translateX(0);
}

.mixer-backing-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--lane-gap);
}

.mixer-backing-scroll::before {
    content: '';
    display: none;
    height: var(--lane-start-offset);
    flex: 0 0 var(--lane-start-offset);
}

.mixer-backing-scroll::-webkit-scrollbar {
    width: 8px;
}

.mixer-backing-scroll::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.22);
    border-radius: 999px;
}

.tracklane-overlay,
.tracklanes-top-gap-cover {
    background: var(--glass-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.tracklane-glass-backdrop,
.tracklanes-gap {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.mixer-track {
    flex: 0 0 auto;
    overflow: hidden;
    height: var(--mixer-row-height);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.mixer-track:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.track-header {
    background: linear-gradient(180deg, #353535 0%, #2b2b2b 100%);
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #eaeaea;
    height: 16px;
}

.track-title {
    color: #fff;
    font-weight: 700;
    font-size: 11px;
}

.track-name {
    color: #bdbdbd;
    font-size: 10px;
    margin-left: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.control-row {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 8px;
}

.track-mixer:not(.track-mixer--sketch) .mixer-track.backing-track .control-row {
    justify-content: center;
}

.track-controls {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    height: calc(var(--mixer-row-height, 45px) - 16px);
    padding: 2px 12px;
    box-sizing: border-box;
}

/* Normal rows compensate for the right scroll gutter so outer button edges look balanced; sketch keeps flex-start for wider selector/edit/arm controls. */
.track-mixer:not(.track-mixer--sketch) .mixer-track.backing-track .track-controls {
    padding: 2px 8px 2px 16px;
}

.control-row select {
    min-width: 110px;
}

.control-row .selector-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.58);
    white-space: nowrap;
}

.control-row select:focus {
    box-shadow: 0 0 0 2px rgba(106, 169, 255, 0.2);
}

.control-row .ui-slider {
    flex: 0 0 90px;
    width: 90px;
}

.volume-value {
    min-width: 36px;
    text-align: right;
    color: #cfcfcf;
    font-size: 11px;
    opacity: 0.9;
}

.power-btn,
.solo-btn {
    background: rgba(255, 255, 255, 0.05);
    color: #f2f2f2;
    font-size: 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.15s ease;
    min-width: 40px;
    height: 25px;
    padding: 0 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.power-btn:hover,
.solo-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.power-btn[data-muted="false"] {
    background: rgba(245, 180, 60, 0.25);
    color: #2b1c00;
    border-color: rgba(245, 180, 60, 0.55);
}

.power-btn[data-muted="true"] {
    background: rgba(90, 90, 95, 0.45);
    color: #dcdcdc;
    border-color: rgba(255, 255, 255, 0.08);
}

.power-btn[data-muted="false"][data-sounding="true"][data-solo="false"] {
    background: #f5b33c;
    color: #1f1400;
    border-color: #f5b33c;
}

.power-btn[data-muted="false"][data-sounding="true"][data-solo="true"] {
    background: rgba(245, 179, 60, 0.7);
    color: #1f1400;
    border-color: rgba(245, 179, 60, 0.8);
}

.power-btn[data-muted="true"][data-sounding="true"][data-solo="true"] {
    background: rgba(120, 120, 130, 0.7);
    color: #111;
    border-color: rgba(200, 200, 210, 0.4);
}

.solo-btn[data-active="true"] {
    background: #3b82f6;
    color: #0b1c3a;
    border-color: #3b82f6;
}

/* Sketch-mode record-arm button. Replaces the Background/Practice role toggle
 * on sketch lanes. Hollow grey dot when off, solid red when armed, pulsing
 * when actively recording.
 */
.arm-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    cursor: pointer;
    width: 32px;
    height: 25px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}
.arm-btn:hover {
    background: rgba(255, 255, 255, 0.10);
}
.arm-btn .arm-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.45);
    transition: all 0.15s ease;
}
.arm-btn[data-armed="true"] {
    background: rgba(255, 70, 92, 0.18);
    border-color: rgba(255, 70, 92, 0.6);
}
.arm-btn[data-armed="true"] .arm-dot {
    background: #ff465c;
    border-color: #ff465c;
    box-shadow: 0 0 6px rgba(255, 70, 92, 0.8);
}
body.sketch-recording .arm-btn[data-armed="true"] .arm-dot {
    animation: arm-pulse 0.9s ease-in-out infinite;
}
@keyframes arm-pulse {
    0%, 100% { box-shadow: 0 0 4px rgba(255, 70, 92, 0.6); transform: scale(1); }
    50% { box-shadow: 0 0 14px rgba(255, 70, 92, 1); transform: scale(1.15); }
}

/* "+ Add Track" affordance under the sketch lane stack. Sketch-only. */
.sketch-add-track-row {
    display: flex;
    justify-content: center;
    padding: 8px 12px;
}
.sketch-add-track-button {
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed rgba(255, 255, 255, 0.20);
    color: rgba(255, 255, 255, 0.7);
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.sketch-add-track-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}
.sketch-add-track-button__plus {
    font-size: 16px;
    line-height: 1;
    font-weight: 600;
}

/* Disabled mute for practice-role */
.power-btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.04);
}

.role-btn {
    background: rgba(255, 255, 255, 0.08);
    color: #dfe;
    font-size: 12px;
    cursor: pointer;
    border-radius: 4px;
    min-width: 72px;
    height: 25px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.role-btn:hover {
    background: rgba(255, 255, 255, 0.16);
}

.backing-role-toggle[data-role="practice"] {
    background: #4ade80;
    color: #0f2616;
    border-color: #4ade80;
}

.backing-role-toggle[data-role="backing"] {
    background: rgba(74, 222, 128, 0.18);
    color: #e4f5eb;
    border-color: rgba(74, 222, 128, 0.4);
}

.mixer-track.track-off .backing-role-toggle[data-role="practice"],
.mixer-track.implicitly-muted .backing-role-toggle[data-role="practice"] {
    background: #d8d8d8;
    color: #111;
    border-color: #ececec;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset;
}

.mixer-track.track-off .backing-role-toggle[data-role="backing"],
.mixer-track.implicitly-muted .backing-role-toggle[data-role="backing"] {
    background: #2f3238;
    color: #e6e6e6;
    border-color: #454a52;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35) inset;
}

/* Solo engaged: dim all non-solo controls (role + power) */
.mixer-track.track-solo .backing-role-toggle[data-role="practice"] {
    background: #3a3d44;
    color: #8f95a0;
    border-color: #4a5058;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.28) inset;
}

.mixer-track.track-solo .backing-role-toggle[data-role="backing"] {
    background: #3a3d44;
    color: #8f95a0;
    border-color: #4a5058;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.28) inset;
}

.mixer-track.track-solo .power-btn {
    background: #3a3d44;
    color: #8f95a0;
    border-color: #4a5058;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.28) inset;
}

/* Dimming for non-soloed tracks when solo active */
.mixer-track.implicitly-muted {
    opacity: 0.5;
}

.mixer-track.implicitly-muted .track-name {
    text-decoration: line-through;
}

.mixer-track.track-off {
    opacity: 0.55;
}

.mixer-track.track-off.track-sounding {
    opacity: 0.9;
}

.mixer-track.track-backing {
    filter: none;
}

.mixer-track.track-off.track-backing {
    filter: none;
}

.mixer-track.track-off.track-solo {
    opacity: 1;
}

.tracklane-row .tracklane-tint {
    transition: opacity 0.2s ease, background 0.2s ease;
}

.tracklane-row .tracklane-dim {
    transition: opacity 0.2s ease, background 0.2s ease;
}

/* DAW-row pairing: lane and matching mixer-track read as one continuous row.
   Hover state is mirrored across both halves from JS by walking
   [data-track-id] pairs on pointerover/out. */
.mixer-track.row-hover,
.tracklane-row.row-hover {
    outline: 1px solid rgba(255, 255, 255, 0.18);
    outline-offset: -1px;
}

/* Phase 4: DOM clip overlay layer.
   Sits above the WebGL note canvas (z-index 2) but below tint/dim overlays
   (z-index 3+). The WebGL renderer owns the clip body underneath notes; these
   DOM nodes are the interaction shell, label, and resize handles. */
.tracklane-row .tracklane-clips-layer {
    position: absolute;
    inset: 0;
    pointer-events: auto;
    z-index: 2;
}

.tracklane-overlay .tracklane-row.has-track-clips .tracklane-name {
    opacity: 0;
}

.track-clip {
    position: absolute;
    top: 6%;
    bottom: 6%;
    background: transparent;
    border: 1px solid rgba(150, 190, 255, 0.72);
    border-radius: 4px;
    cursor: grab;
    box-sizing: border-box;
    overflow: hidden;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.10),
        inset 0 -1px 0 rgba(0, 0, 0, 0.28),
        0 0 0 1px rgba(0, 0, 0, 0.18);
    transition: border-color 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.track-clip:hover {
    border-color: rgba(184, 218, 255, 0.95);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.14),
        inset 0 -1px 0 rgba(0, 0, 0, 0.30),
        0 0 0 1px rgba(0, 0, 0, 0.22),
        0 0 8px rgba(120, 170, 255, 0.22);
}

.track-clip.dragging {
    cursor: grabbing;
    opacity: 0.92;
}

.track-clip.selected {
    border-color: rgba(190, 225, 255, 1);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        inset 0 -1px 0 rgba(0, 0, 0, 0.32),
        0 0 0 1px rgba(190, 225, 255, 0.72),
        0 0 8px rgba(120, 170, 255, 0.45);
}

.track-clip.selected:hover {
    border-color: rgba(220, 240, 255, 1);
}

.track-clip .track-clip-label {
    position: absolute;
    top: 2px;
    left: 5px;
    right: 7px;
    height: 14px;
    font-size: 10px;
    line-height: 14px;
    color: rgba(245, 249, 255, 0.92);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.68);
}

.track-clip .track-clip-resize {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 7px;
    cursor: ew-resize;
    background: transparent;
    opacity: 0;
    transition: opacity 0.12s ease;
}

.track-clip:hover .track-clip-resize,
.track-clip.selected .track-clip-resize {
    opacity: 1;
}

.track-clip .track-clip-resize.left {
    left: 0;
    background: linear-gradient(90deg, rgba(235, 245, 255, 0.32), rgba(235, 245, 255, 0));
}

.track-clip .track-clip-resize.right {
    right: 0;
    background: linear-gradient(270deg, rgba(235, 245, 255, 0.32), rgba(235, 245, 255, 0));
}

/* ── Lane Edit button (sketch backing rows only) ──────────────────────── */
.edit-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    cursor: pointer;
    height: 22px;
    padding: 0 8px;
    font-size: 10px;
    color: rgba(203, 213, 225, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.edit-btn:hover {
    background: rgba(74, 163, 255, 0.12);
    border-color: rgba(74, 163, 255, 0.35);
    color: #fff;
}

/* Compact instrument/preset dropdowns on sketch backing lanes share the
   same height as arm/edit so the control row stays flush. */
.mixer-track.backing-track .backing-instrument-select,
.mixer-track.backing-track .backing-preset-select {
    height: 22px;
    font-size: 10px;
    padding: 0 4px;
    max-width: 110px;
}