/* Moorhen Synthesizer - Styles
   ============================= */

:root {
    --bg-dark: #0a0f14;
    --bg-card: #141c24;
    --bg-card-hover: #1a252f;
    --accent-primary: #4a90a4;
    --accent-secondary: #2a5a6a;
    --accent-warm: #8b6b4a;
    --accent-gold: #c9a654;
    --text-primary: #e8e4dc;
    --text-secondary: #9a958a;
    --text-muted: #5a574f;
    --border-color: #2a3540;
    --shadow: rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cormorant Garamond', serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Cinzel', serif;
    font-weight: 400;
    letter-spacing: 0.1em;
}

/* Background layers */
.bg-gradient {
    position: fixed;
    inset: 0;
    background: linear-gradient(
        180deg,
        #0a1015 0%,
        #0f1820 30%,
        #0a1520 60%,
        #051015 100%
    );
    z-index: -10;
}

.water-layer, .reeds-layer, .wood-texture, .water-ripples {
    position: fixed;
    inset: 0;
    z-index: -5;
    pointer-events: none;
    opacity: 0.1;
}

/* Overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 10, 15, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
}

.overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    text-align: center;
}

.moorhen-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.overlay h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.sacred-btn {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border: 1px solid var(--accent-primary);
    color: var(--text-primary);
    padding: 1rem 3rem;
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.sacred-btn:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow);
}

.sacred-btn svg {
    width: 24px;
    height: 24px;
}

.hint {
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Main interface */
#main-interface {
    padding: 1rem 2rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

#main-interface.hidden {
    display: none;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

header h1 {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-icon {
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.header-icon:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(201, 166, 84, 0.5));
}

.header-icon svg {
    width: 100%;
    height: 100%;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.volume-control label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* MIDI Controls */
.midi-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.midi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.midi-status {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(100, 100, 100, 0.3);
    color: var(--text-muted);
    white-space: nowrap;
}

.midi-status.ready {
    background: rgba(74, 144, 164, 0.2);
    color: var(--accent-primary);
}

.midi-status.connected {
    background: rgba(100, 180, 100, 0.2);
    color: #7c7;
}

.midi-status.unsupported {
    background: rgba(180, 100, 100, 0.2);
    color: #c77;
}

.midi-status.error {
    background: rgba(180, 100, 100, 0.2);
    color: #c77;
}

.midi-select {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    max-width: 120px;
}

.midi-select:hover {
    border-color: var(--accent-secondary);
}

.midi-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Sections */
section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
}

section h2 {
    font-size: 1rem;
    color: var(--accent-gold);
    margin-bottom: 0.25rem;
}

.section-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

/* Layout */
.top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.bottom-row {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 1.5rem;
}

/* XY Pad */
.xy-pad {
    position: relative;
    width: 100%;
    aspect-ratio: 1.5;
    max-height: 250px;
    background: linear-gradient(135deg, #1a2530, #0f1820);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: crosshair;
    overflow: hidden;
}

.xy-pad-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(74, 144, 164, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 164, 0.1) 1px, transparent 1px);
    background-size: 20% 20%;
}

.xy-cursor {
    position: absolute;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, var(--accent-gold), transparent);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
    pointer-events: none;
    box-shadow: 0 0 20px rgba(201, 166, 84, 0.5);
}

.xy-label {
    position: absolute;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.xy-label-left { left: 8px; top: 50%; transform: translateY(-50%); }
.xy-label-right { right: 8px; top: 50%; transform: translateY(-50%); }
.xy-label-top { top: 8px; left: 50%; transform: translateX(-50%); }
.xy-label-bottom { bottom: 8px; left: 50%; transform: translateX(-50%); }

.xy-center-mandala {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 40px;
    height: 40px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(74, 144, 164, 0.2);
    border-radius: 50%;
}

.expression-values {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Drone section */
.drone-controls {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.drone-btn {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a2530, #0f1820);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.drone-btn:hover {
    border-color: var(--accent-primary);
}

.drone-btn.active {
    border-color: var(--accent-gold);
    box-shadow: 0 0 30px rgba(201, 166, 84, 0.3);
}

.drone-text {
    font-size: 2rem;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.drone-btn.active .drone-text {
    color: var(--accent-gold);
}

.drone-rings {
    position: absolute;
    inset: -10px;
    pointer-events: none;
}

.ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--accent-primary);
    border-radius: 50%;
    opacity: 0;
}

.drone-btn.active .ring {
    animation: pulse-ring 2s ease-out infinite;
}

.ring-2 { animation-delay: 0.4s !important; }
.ring-3 { animation-delay: 0.8s !important; }

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}

.drone-sliders {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.drone-slider-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.drone-slider-group label {
    width: 80px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.drone-slider-group input[type="range"] {
    flex: 1;
}

.slider-value {
    width: 50px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
}

/* Sequencer */
.sequencer-section {
    margin-bottom: 1.5rem;
}

.sequencer-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.seq-play-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-secondary), #1a3540);
    border: 2px solid var(--accent-primary);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.seq-play-btn:hover {
    transform: scale(1.05);
}

.seq-play-btn.playing {
    background: linear-gradient(135deg, var(--accent-warm), #5a3a2a);
    border-color: var(--accent-gold);
}

.play-icon, .stop-icon {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.stop-icon { display: none; }
.seq-play-btn.playing .play-icon { display: none; }
.seq-play-btn.playing .stop-icon { display: inline; }

.seq-slider-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seq-slider-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sequencer-grid {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.seq-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seq-label-group {
    width: 120px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seq-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.inst-volume {
    flex: 1;
}

.inst-volume-slider {
    width: 50px;
    height: 4px;
}

.seq-steps {
    display: flex;
    gap: 3px;
    flex: 1;
}

.seq-step {
    flex: 1;
    aspect-ratio: 1;
    max-width: 40px;
    background: #1a2530;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.seq-step:hover {
    background: #243040;
    border-color: var(--accent-secondary);
}

.seq-step.active {
    background: linear-gradient(135deg, var(--accent-secondary), #2a4a5a);
    border-color: var(--accent-primary);
}

.seq-step.playing {
    background: var(--accent-gold) !important;
    border-color: var(--accent-gold) !important;
}

.note-select {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.seq-indicators {
    margin-top: 0.25rem;
}

.step-indicator {
    flex: 1;
    max-width: 40px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 2px 0;
}

.step-indicator.current {
    color: var(--accent-gold);
    font-weight: bold;
}

/* Beat grouping */
.seq-step[data-step="0"],
.seq-step[data-step="4"],
.seq-step[data-step="8"],
.seq-step[data-step="12"] {
    border-left-width: 2px;
}

/* Instruments section */
.instruments-section-compact {
    overflow: hidden;
}

.instruments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.inst-mini {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    padding: 0.75rem;
}

.inst-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.mini-notes {
    display: flex;
    gap: 4px;
}

.mini {
    flex: 1;
    aspect-ratio: 1;
    max-width: 36px;
    background: #1a2530;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: all 0.15s;
}

.mini:hover {
    background: #243040;
    border-color: var(--accent-secondary);
    color: var(--text-secondary);
}

.mini.active {
    background: var(--accent-primary);
    border-color: var(--accent-gold);
    color: var(--text-primary);
}

/* Instrument-specific colors */
.bowl:hover, .bowl.active { border-color: #c9a654; }
.wind-note:hover, .wind-note.active { border-color: #8bc9c4; }
.string-note:hover, .string-note.active { border-color: #c98b54; }
.horn-note:hover, .horn-note.active { border-color: #c9b454; }
.moorhen-note:hover, .moorhen-note.active { border-color: #54a9c9; }
.oystercatcher-note:hover, .oystercatcher-note.active { border-color: #9454c9; }
.stick-note:hover, .stick-note.active { border-color: #8b6b4a; background: #4a3525; }

/* Pitch wheel */
.pitch-section {
    display: flex;
    flex-direction: column;
}

.pitch-wheel {
    flex: 1;
    min-height: 150px;
    position: relative;
    cursor: ns-resize;
}

.pitch-track {
    position: absolute;
    left: 50%;
    top: 10%;
    bottom: 10%;
    width: 40px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #2a4a5a, #1a2530, #5a3a2a);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.pitch-handle {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 16px;
    background: linear-gradient(90deg, #3a3a3a, #5a5a5a, #3a3a3a);
    border: 1px solid #6a6a6a;
    border-radius: 8px;
    transform: translate(-50%, -50%);
    transition: top 0.1s;
}

.pitch-center-line {
    position: absolute;
    left: 30%;
    right: 30%;
    top: 50%;
    height: 1px;
    background: var(--accent-primary);
    opacity: 0.5;
}

/* Footer */
footer {
    margin-top: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.keyboard-guide,
.midi-guide {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.guide-title {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.key-hints {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.key-hints span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

kbd {
    display: inline-block;
    background: #2a3540;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.1em 0.4em;
    font-family: monospace;
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* Visualization canvas */
#viz-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* Range inputs */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    height: 20px;
}

input[type="range"]::-webkit-slider-track {
    height: 4px;
    background: #2a3540;
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    margin-top: -5px;
    transition: all 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-gold);
    transform: scale(1.1);
}

input[type="range"]::-moz-range-track {
    height: 4px;
    background: #2a3540;
    border-radius: 2px;
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: none;
}

/* Patch Button */
.patch-btn {
    background: linear-gradient(135deg, var(--bg-card), #1a2530);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: 'Cinzel', serif;
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.patch-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--accent-secondary), #1a3540);
}

/* Patch Modal */
.patch-modal-content {
    max-width: 540px;
    text-align: left;
}

.patch-modal-content h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.patch-hint {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.patch-textarea {
    width: 100%;
    height: 300px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    padding: 0.75rem;
    resize: vertical;
    line-height: 1.4;
    white-space: pre;
    word-break: normal;
}

.patch-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.patch-textarea::placeholder {
    color: var(--text-muted);
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 0.85rem;
}

.patch-feedback {
    text-align: center;
    font-size: 0.85rem;
    padding: 0.5rem;
    margin-top: 0.75rem;
    border-radius: 4px;
    transition: opacity 0.3s ease;
}

.patch-feedback.hidden {
    display: none;
}

.patch-feedback.success {
    background: rgba(100, 180, 100, 0.15);
    color: #7c7;
    border: 1px solid rgba(100, 180, 100, 0.3);
}

.patch-feedback.error {
    background: rgba(180, 100, 100, 0.15);
    color: #c77;
    border: 1px solid rgba(180, 100, 100, 0.3);
}

.patch-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.patch-action-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
}

.patch-copy {
    background: linear-gradient(135deg, var(--accent-secondary), #1a3540);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.patch-copy:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    box-shadow: 0 4px 12px rgba(74, 144, 164, 0.3);
}

.patch-load {
    background: linear-gradient(135deg, #3a5a2a, #2a4020);
    border-color: #5a8a4a;
    color: var(--text-primary);
}

.patch-load:hover {
    background: linear-gradient(135deg, #4a6a3a, #3a5030);
    box-shadow: 0 4px 12px rgba(90, 138, 74, 0.3);
}

.patch-clear {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.patch-clear:hover {
    border-color: var(--accent-warm);
    color: var(--text-primary);
}

/* About Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 10, 15, 0.9);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, var(--bg-card), #0f1820);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.modal.hidden .modal-content {
    transform: translateY(-20px);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.modal-icon svg {
    width: 100%;
    height: 100%;
}

.modal-content h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.15em;
}

.modal-version {
    font-size: 1rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1rem;
}

.modal-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 1.25rem 0;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    font-style: italic;
}

.modal-credits {
    margin-top: 1rem;
}

.modal-credits p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.4rem 0;
}

.modal-credits strong {
    color: var(--text-primary);
}

.modal-tech {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    font-family: monospace;
    margin-top: 0.75rem !important;
}

.modal-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
    .top-row {
        grid-template-columns: 1fr;
    }
    
    .bottom-row {
        grid-template-columns: 1fr;
    }
    
    .seq-label-group {
        width: 80px;
    }
    
    .seq-label {
        font-size: 0.75rem;
    }
    
    .instruments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .midi-control {
        flex-wrap: wrap;
    }
    
    .midi-select {
        max-width: 100px;
    }
}

@media (max-width: 600px) {
    #main-interface {
        padding: 0.5rem 1rem 1rem;
    }
    
    header h1 {
        font-size: 1.4rem;
    }
    
    .seq-step {
        max-width: 28px;
    }
    
    .mini {
        max-width: 28px;
    }
    
    .instruments-grid {
        grid-template-columns: 1fr;
    }
    
    .keyboard-guide {
        display: none;
    }
    
    .midi-control {
        display: none; /* Hide on very small screens */
    }
}