/* petri-note.css - Base styling for the petri-note component */

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a2e;
    color: #eee;
    overflow-x: auto;
    overflow-y: auto;
}

/* Main component */
petri-note {
    display: flex;
    flex-direction: column;
    min-width: 100%;
    user-select: none;
    -webkit-user-select: none;
    height: 100vh;
}

/* Header bar */
.pn-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 16px;
    background: #16213e;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
}

.pn-header h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #e94560;
}

.pn-project-name {
    font-size: 14px;
    color: #aaa;
}

.pn-track-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pn-track-nav button {
    background: none;
    border: 1px solid #334;
    color: #8af;
    font-size: 10px;
    padding: 2px 6px;
    cursor: pointer;
    border-radius: 3px;
}

.pn-track-nav button:hover {
    background: #223;
    border-color: #4a90d9;
}

.pn-track-label {
    font-size: 13px;
    color: #ccc;
    min-width: 80px;
    text-align: center;
}

/* Transport controls */
.pn-transport {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pn-transport button {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 4px;
    background: #0f3460;
    color: #eee;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

.pn-transport button:hover {
    background: #1a4a7a;
}

.pn-transport button.playing {
    background: #e94560;
}

.pn-playback-mode {
    font-size: 13px !important;
    font-weight: bold;
    letter-spacing: -0.5px;
}

.pn-playback-mode.active {
    background: #1a6a3a !important;
}

.pn-tempo {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pn-tempo input {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 14px;
    text-align: center;
}

.pn-tempo span {
    font-size: 12px;
    color: #888;
}

/* Genre traits display */
.pn-genre-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 12px;
    background: #0d1b2a;
    border-bottom: 1px solid #0f3460;
    align-items: center;
    min-height: 24px;
}

.pn-trait {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    white-space: nowrap;
}

.pn-trait[data-param] {
    cursor: pointer;
    user-select: none;
}

.pn-trait[data-param]:hover {
    opacity: 0.8;
    outline: 1px solid rgba(255,255,255,0.2);
}

.pn-trait.on {
    background: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.pn-trait.off {
    background: rgba(255, 255, 255, 0.05);
    color: #555;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.pn-trait-info {
    font-size: 10px;
    color: #667;
    margin-left: auto;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* Mixer panel */
.pn-mixer {
    display: flex;
    flex-direction: column;
    background: #16213e;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
}

.pn-mixer-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 16px;
    border-bottom: 1px solid rgba(15, 52, 96, 0.5);
    cursor: pointer;
    transition: background 0.15s;
}

.pn-mixer-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

.pn-mixer-row.active {
    background: rgba(233, 69, 96, 0.08);
    border-left: 3px solid #e94560;
    padding-left: 13px;
}

.pn-mixer-solo {
    width: 14px;
    height: 14px;
    margin: 0 2px 0 0;
    cursor: pointer;
    accent-color: #e94560;
    flex-shrink: 0;
}

.pn-mixer-mute {
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    font-size: 12px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.2s;
    flex-shrink: 0;
}

.pn-mixer-mute:hover {
    opacity: 1;
    background: rgba(255,255,255,0.1);
}

.pn-mixer-mute.muted {
    opacity: 1;
    color: #e94560;
}

.pn-mixer-name {
    width: 70px;
    font-size: 12px;
    font-weight: 600;
    color: #ccc;
    flex-shrink: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: grab;
}

.pn-mixer-name:active {
    cursor: grabbing;
}

.pn-mixer-row.dragging {
    opacity: 0.5;
    background: #1a3a5c;
}

.pn-mixer-row.active .pn-mixer-name {
    color: #e94560;
}

.pn-riff-variants {
    display: flex;
    gap: 2px;
    margin-right: 4px;
    flex-shrink: 0;
    width: 42px;
}

.pn-riff-label {
    font-size: 9px;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 3px;
    background: rgba(255,255,255,0.1);
    color: #888;
}

.pn-riff-label.active {
    background: rgba(46, 204, 113, 0.3);
    color: #2ecc71;
}

.pn-riff-label.muted {
    background: rgba(233, 69, 96, 0.2);
    color: #666;
}

.pn-mixer-instrument {
    width: 140px;
    padding: 3px 6px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
}

.pn-mixer-instrument:hover {
    border-color: #1a4a7a;
}

.pn-mixer-slider-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.pn-mixer-slider-group span {
    font-size: 10px;
    color: #666;
    width: 24px;
    flex-shrink: 0;
}

.pn-mixer-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #0f3460;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.pn-mixer-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4a90d9;
    cursor: pointer;
}

.pn-mixer-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4a90d9;
    cursor: pointer;
    border: none;
}

/* Default value notch mark on sliders */
.pn-slider-notch {
    position: absolute;
    bottom: 2px;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    pointer-events: none;
    z-index: 1;
    transform: translateX(-1.5px);
}

.pn-mixer-test {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.pn-mixer-test:hover {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.pn-mixer-tone-reset {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    padding: 0;
}

.pn-mixer-tone-reset:hover {
    background: rgba(100, 200, 255, 0.2);
    color: #64ffda;
}

.pn-mixer-tone-prev,
.pn-mixer-tone-next {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #666;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    padding: 0;
    line-height: 24px;
    text-align: center;
}

.pn-mixer-tone-prev:hover {
    background: rgba(100, 200, 255, 0.2);
    color: #64ffda;
}

.pn-mixer-tone-next:hover {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.pn-mixer-rotate {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-left: -4px;
}

.pn-mixer-rotate:hover {
    background: rgba(100, 200, 100, 0.2);
    color: #64ffda;
}

/* Effects panel */
.pn-effects {
    border-bottom: 1px solid #0f3460;
    margin-bottom: 4px;
}

.pn-effects-toggle {
    display: flex;
    gap: 6px;
    padding: 4px 12px;
    background: #0a1628;
}

.pn-effects-btn {
    background: transparent;
    border: 1px solid #0f3460;
    color: #4a90d9;
    padding: 2px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: bold;
}

.pn-effects-btn.active {
    background: #0f3460;
    color: #e94560;
}

.pn-fx-bypass, .pn-fx-reset, .pn-cc-reset {
    background: transparent;
    border: 1px solid #0f3460;
    color: #666;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 10px;
}

.pn-fx-bypass:hover, .pn-fx-reset:hover, .pn-cc-reset:hover {
    color: #4a90d9;
    border-color: #4a90d9;
}

.pn-fx-bypass.active {
    background: #e94560;
    border-color: #e94560;
    color: #fff;
}

.pn-effects-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px 16px;
    padding: 8px 12px;
    background: #0d1b2a;
}

.pn-fx-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pn-fx-label {
    font-size: 11px;
    font-weight: bold;
    color: #e94560;
    border-bottom: 1px solid #0f3460;
    padding-bottom: 2px;
    margin-bottom: 2px;
}

.pn-fx-control {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pn-fx-control span {
    font-size: 10px;
    color: #666;
    min-width: 20px;
}

.pn-fx-slider {
    width: 70px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #0f3460;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.pn-fx-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e94560;
    cursor: pointer;
}

.pn-fx-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e94560;
    cursor: pointer;
    border: none;
}

.pn-fx-value {
    font-size: 10px;
    color: #4a90d9;
    min-width: 32px;
    text-align: right;
}

.pn-fx-apply {
    background: #0f3460;
    border: 1px solid #4a90d9;
    color: #4a90d9;
    padding: 4px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: bold;
    margin-left: auto;
    align-self: center;
}

.pn-fx-apply:hover {
    background: #1a4a7a;
    color: #fff;
}

/* Timeline */
.pn-timeline {
    display: flex;
    align-items: stretch;
    height: 28px;
    position: relative;
    background: #0a0a1a;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
    overflow: visible;
    cursor: pointer;
    margin: 0 8px;
}

.pn-timeline-section {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    border-right: 1px solid rgba(0,0,0,0.4);
    transition: opacity 0.2s;
    min-width: 0;
    overflow: hidden;
}

.pn-timeline-section {
    position: relative;
}

.pn-timeline-section span {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    white-space: nowrap;
}

.pn-timeline-phrases {
    font-size: 8px !important;
    font-weight: 400 !important;
    text-transform: none !important;
    letter-spacing: 1px !important;
    opacity: 0.7;
    margin-left: 4px;
}

.pn-timeline-phrase-divider {
    position: absolute;
    top: 0;
    width: 1px;
    height: 100%;
    background: rgba(255,255,255,0.25);
    pointer-events: none;
}

/* Loop markers */
.pn-loop-marker {
    position: absolute;
    top: 0;
    width: 8px;
    height: 100%;
    z-index: 3;
    cursor: ew-resize;
}

.pn-loop-start {
    border-left: 3px solid #f5a623;
    background: linear-gradient(to right, rgba(245,166,35,0.25), transparent);
}

.pn-loop-end {
    border-right: 3px solid #f5a623;
    background: linear-gradient(to left, rgba(245,166,35,0.25), transparent);
    transform: translateX(-8px);
}

.pn-loop-marker:hover {
    border-color: #ffc857;
}

.pn-loop-region {
    position: absolute;
    top: 0;
    height: 100%;
    background: rgba(245, 166, 35, 0.08);
    border-top: 2px solid rgba(245, 166, 35, 0.4);
    z-index: 1;
    pointer-events: none;
    display: none;
}

.pn-crop-bar-btn {
    background: #f5a623;
    border: none;
    border-radius: 3px;
    color: #000;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    padding: 2px 8px;
    margin-left: 8px;
}

.pn-crop-bar-btn:hover {
    background: #ffc857;
}

.pn-timeline-playhead {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: #fff;
    box-shadow: 0 0 6px rgba(255,255,255,0.8);
    z-index: 2;
    transition: left 0.1s linear;
    pointer-events: none;
}

/* (Track settings replaced by mixer panel above) */

/* Main workspace */
.pn-workspace {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

/* Canvas container */
.pn-canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.pn-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Stage for DOM nodes */
.pn-stage {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Petri net nodes */
.pn-node {
    position: absolute;
    pointer-events: auto;
    cursor: grab;
    user-select: none;
}

.pn-node:active {
    cursor: grabbing;
}

.pn-node.selected {
    filter: drop-shadow(0 0 8px #e94560);
}

/* Places */
.pn-place {
    width: 60px;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pn-place-circle {
    width: 50px;
    height: 50px;
    border: 3px solid #4a90d9;
    border-radius: 50%;
    background: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    color: #4a90d9;
}

/* Transitions */
.pn-transition {
    width: 50px;
    height: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pn-transition-rect {
    width: 40px;
    height: 40px;
    border: 3px solid #e94560;
    background: #1a1a2e;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pn-transition.firing .pn-transition-rect {
    background: #e94560;
    box-shadow: 0 0 20px #e94560;
}

.pn-transition.has-midi .pn-transition-rect {
    background: linear-gradient(135deg, #1a1a2e 50%, #2d1f3d 50%);
}

/* Node labels */
.pn-label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 4px;
    font-size: 11px;
    color: #888;
    white-space: nowrap;
    pointer-events: auto;
}

/* MIDI indicator on transition */
.pn-midi-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 34px;
    height: 34px;
    background: rgba(155, 89, 182, 0.4);
    border-radius: 4px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* (Toolbar removed - diagram is read-only) */

/* Status bar */
.pn-status {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 4px 16px;
    padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px));
    background: #16213e;
    border-top: 1px solid #0f3460;
    font-size: 12px;
    color: #666;
    flex-shrink: 0;
}

.pn-status .connected {
    color: #2ecc71;
}

.pn-status .disconnected {
    color: #e74c3c;
}

/* MIDI binding editor modal */
.pn-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.pn-modal {
    background: #16213e;
    border-radius: 12px;
    padding: 24px;
    min-width: 400px;
    max-width: 90vw;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.pn-modal h2 {
    margin: 0 0 16px 0;
    font-size: 18px;
    color: #e94560;
}

.pn-modal-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.pn-modal-row label {
    width: 80px;
    font-size: 13px;
    color: #888;
}

.pn-modal-row input,
.pn-modal-row select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 14px;
}

.pn-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

.pn-modal-actions button {
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
}

.pn-modal-actions .cancel {
    background: transparent;
    color: #888;
}

.pn-modal-actions .save {
    background: #e94560;
    color: #fff;
}

/* Piano keyboard for note selection */
.pn-piano {
    display: flex;
    height: 80px;
    margin: 12px 0;
    position: relative;
}

.pn-piano-key {
    flex: 1;
    border: 1px solid #333;
    background: #eee;
    cursor: pointer;
    position: relative;
}

.pn-piano-key.black {
    background: #222;
    width: 60%;
    height: 60%;
    position: absolute;
    z-index: 1;
}

.pn-piano-key.selected {
    background: #e94560;
}

.pn-piano-key.white.selected {
    background: #f7a8b8;
}

/* Generate controls */
.pn-generate {
    display: flex;
    gap: 6px;
    align-items: center;
}

.pn-genre-select {
    padding: 6px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 12px;
}

.pn-structure-select {
    padding: 6px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 12px;
}

.pn-generate-btn {
    padding: 6px 14px;
    border: 1px solid #e94560;
    border-radius: 4px;
    background: #e94560;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.pn-generate-btn:hover {
    background: #d63851;
}

.pn-shuffle-btn {
    padding: 6px 14px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #0f3460;
    color: #ccc;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.pn-shuffle-btn:hover {
    background: #16213e;
    color: #fff;
}

.pn-download-btn {
    padding: 4px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #0f3460;
    color: #ccc;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

.pn-download-btn:hover,
.pn-upload-btn:hover {
    background: #16213e;
    color: #64ffda;
}

.pn-upload-btn {
    padding: 4px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #0f3460;
    color: #ccc;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

/* Generator options toggle button */
.pn-gen-opts-toggle {
    width: 30px;
    height: 30px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: transparent;
    color: #888;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.pn-gen-opts-toggle:hover {
    background: rgba(255,255,255,0.05);
    color: #eee;
    border-color: #1a4a7a;
}

/* Generator options panel (collapsible) */
.pn-gen-options {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 6px 16px;
    background: #0f1a2e;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
}

.pn-gen-options label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: #aaa;
    cursor: pointer;
    user-select: none;
}

.pn-gen-options label:hover {
    color: #eee;
}

.pn-gen-options input[type="checkbox"] {
    accent-color: #e94560;
    cursor: pointer;
}

/* (Control ghosts removed - control nets shown in mixer) */

/* Help button */
.pn-help-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid #0f3460;
    background: transparent;
    color: #666;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
}

.pn-help-btn:hover {
    color: #4a90d9;
    border-color: #4a90d9;
}

.pn-gh-link {
    color: #888;
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    transition: color 0.15s;
}
.pn-gh-link:hover {
    color: #fff;
}

/* Help modal */
.pn-help-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pn-help-modal {
    background: #0a0a1a;
    border: 1px solid #0f3460;
    border-radius: 8px;
    padding: 24px 32px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    color: #ccc;
    font-size: 13px;
    line-height: 1.6;
    position: relative;
}

.pn-help-modal h2 {
    color: #e94560;
    font-size: 18px;
    margin: 0 0 16px 0;
}

.pn-help-modal h3 {
    color: #4a90d9;
    font-size: 14px;
    margin: 16px 0 6px 0;
    border-bottom: 1px solid #0f3460;
    padding-bottom: 4px;
}

.pn-help-modal ul {
    margin: 0;
    padding-left: 18px;
}

.pn-help-modal li {
    margin-bottom: 4px;
}

.pn-help-modal b {
    color: #fff;
}

.pn-help-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: #666;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.pn-help-close:hover {
    color: #e94560;
}

/* Audio output selector */
.pn-audio-mode {
    display: flex;
    gap: 8px;
}

.pn-audio-mode button {
    padding: 6px 12px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: transparent;
    color: #888;
    font-size: 12px;
    cursor: pointer;
}

.pn-audio-mode button.active {
    border-color: #e94560;
    color: #e94560;
}

.pn-midi-output {
    padding: 6px 8px;
    border: 1px solid #0f3460;
    border-radius: 4px;
    background: #1a1a2e;
    color: #eee;
    font-size: 12px;
    cursor: pointer;
    min-width: 150px;
}

.pn-midi-output:hover {
    border-color: #1a4a7a;
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.pn-transition.firing {
    animation: pulse 0.1s ease-out;
}

/* ===== Tablet (iPad Mini landscape & portrait) ===== */
@media (max-width: 1100px) {
    .pn-riff-variants {
        display: none;
    }

    /* Download/upload: hide on tablets */
    .pn-download-btn,
    .pn-upload-btn,
    .pn-upload-input {
        display: none;
    }
}

/* ===== Mobile / narrow screens (phones only) ===== */
@media (max-width: 600px) {
    /* Header: wrap into rows */
    .pn-header {
        flex-wrap: wrap;
        gap: 6px 12px;
        padding: 6px 10px;
    }

    .pn-header h1 {
        font-size: 15px;
    }

    .pn-project-name {
        display: none;
    }

    /* Transport: tighter */
    .pn-transport button {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .pn-tempo input {
        width: 50px;
        font-size: 13px;
    }

    /* Generate controls: wrap and fill width */
    .pn-generate {
        flex-wrap: wrap;
        width: 100%;
        order: 10;
    }

    .pn-genre-select {
        min-width: 90px;
        font-size: 13px;
    }

    .pn-structure-select {
        min-width: 70px;
        font-size: 13px;
    }

    .pn-generate-btn,
    .pn-shuffle-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    /* Hide download/upload on mobile */
    .pn-download-btn,
    .pn-upload-btn,
    .pn-upload-input {
        display: none;
    }

    /* Audio mode: hide MIDI selector on mobile (rare use) */
    .pn-audio-mode {
        display: none;
    }

    /* Track nav: hide if not needed */
    .pn-track-nav {
        display: none;
    }

    /* Genre traits: hide on mobile */
    .pn-genre-traits {
        display: none;
    }

    /* Mixer: scroll if needed */
    .pn-mixer {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .pn-mixer-row {
        gap: 4px;
        padding: 6px 8px;
        flex-wrap: wrap;
    }

    .pn-mixer-name {
        width: auto;
        font-size: 12px;
    }

    .pn-mixer-instrument {
        flex: 1;
        min-width: 80px;
        font-size: 11px;
    }

    .pn-riff-variants {
        display: none;
    }

    /* Row 1: controls. Row 2: all 8 sliders in a single row */
    .pn-mixer-slider-group {
        order: 10;
        flex: 0 0 auto;
    }

    .pn-mixer-test,
    .pn-mixer-reset {
        order: 5;
    }

    /* Line break before sliders via pseudo-element */
    .pn-mixer-row::after {
        content: '';
        flex-basis: 100%;
        height: 0;
        order: 9;
    }

    .pn-mixer-slider-group span {
        font-size: 8px;
        width: 14px;
        flex-shrink: 0;
    }

    .pn-mixer-slider {
        width: 24px;
        height: 8px;
    }

    .pn-mixer-slider::-webkit-slider-thumb {
        width: 16px;
        height: 16px;
    }

    .pn-mixer-slider::-moz-range-thumb {
        width: 16px;
        height: 16px;
    }

    /* Mixer buttons: bigger touch targets */
    .pn-mixer-mute,
    .pn-mixer-test,
    .pn-mixer-tone-reset,
    .pn-mixer-tone-prev,
    .pn-mixer-tone-next,
    .pn-mixer-rotate {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    /* FX panel: tighter grid */
    .pn-effects-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px 10px;
        padding: 6px 8px;
    }

    .pn-fx-slider {
        width: 60px;
        height: 8px;
    }

    .pn-fx-slider::-webkit-slider-thumb {
        width: 20px;
        height: 20px;
    }

    .pn-fx-slider::-moz-range-thumb {
        width: 20px;
        height: 20px;
    }

    /* Timeline: taller for touch */
    .pn-timeline {
        height: 36px;
    }

    /* Hide timeline and Petri net visualization on mobile */
    .pn-timeline {
        display: none;
    }

    .pn-workspace {
        display: none;
    }

    /* Status bar: tighter */
    .pn-status {
        padding: 4px 10px;
        font-size: 11px;
    }

    /* Modal: full-width on mobile */
    .pn-modal {
        min-width: unset;
        width: 95vw;
        padding: 16px;
    }
}

/* ===== Landscape phone (short + wide) ===== */
@media (max-height: 500px) and (orientation: landscape) {
    /* Header: single compact row */
    .pn-header {
        padding: 4px 10px;
        gap: 8px;
    }

    .pn-header h1 {
        font-size: 14px;
    }

    .pn-project-name,
    .pn-track-nav,
    .pn-audio-mode {
        display: none;
    }

    /* Genre traits: hide */
    .pn-genre-traits {
        display: none;
    }

    /* Generate: inline, compact */
    .pn-generate {
        gap: 4px;
    }

    .pn-generate-btn,
    .pn-shuffle-btn {
        padding: 4px 10px;
        font-size: 11px;
    }

    .pn-download-btn,
    .pn-upload-btn {
        display: none;
    }

    /* Transport: compact */
    .pn-transport button {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .pn-tempo input {
        width: 48px;
        font-size: 12px;
        padding: 2px 4px;
    }

    /* Mixer: scroll vertically, compact rows */
    .pn-mixer {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .pn-mixer-row {
        padding: 2px 8px;
        gap: 6px;
    }

    .pn-mixer-name {
        width: 45px;
        font-size: 10px;
    }

    .pn-mixer-instrument {
        width: 90px;
        font-size: 10px;
    }

    .pn-riff-variants {
        display: none;
    }

    .pn-mixer-slider {
        width: 50px;
    }

    .pn-mixer-slider-group span {
        font-size: 9px;
        width: 18px;
    }

    /* Hide timeline and canvas */
    .pn-timeline {
        display: none;
    }

    .pn-workspace {
        display: none;
    }

    /* FX: compact */
    .pn-effects-toggle {
        padding: 2px 8px;
    }

    /* Status: compact + extra bottom clearance for Chrome bar */
    .pn-status {
        padding: 2px 8px;
        padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px));
        font-size: 10px;
    }
}