:root {
    --bg-dark: #1a1a1f;
    --bg-panel: #252530;
    --bg-control: #2a2a35;
    --border: #3a3a45;
    --text: #e0e0e0;
    --text-dim: #888;
    --accent-orange: #ff6b00;
    --accent-cyan: #00d4ff;
    --accent-green: #00ff88;
    --accent-red: #ff3366;
    --silver: #c0c0c8;
    --silver-dark: #808088;
    --knob-bg: linear-gradient(145deg, #404050, #2a2a35);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Orbitron', monospace;
    background: var(--bg-dark);
    color: var(--text);
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(4px, 1vh, 10px) clamp(8px, 2vw, 16px);
    background: linear-gradient(180deg, #303040, #252530);
    border-bottom: 2px solid var(--accent-orange);
    flex-wrap: wrap;
    gap: clamp(4px, 1vw, 10px);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo-section h1 {
    font-size: clamp(0.9rem, 2.5vw, 1.4rem);
    font-weight: 900;
    letter-spacing: clamp(1px, 0.3vw, 3px);
    color: var(--accent-orange);
    text-shadow: 0 0 10px rgba(255, 107, 0, 0.5);
    white-space: nowrap;
}

.logo-section .subtitle {
    font-size: clamp(0.4rem, 1vw, 0.55rem);
    letter-spacing: clamp(1px, 0.2vw, 2px);
    color: var(--silver);
}

.transport {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.5vw, 12px);
}

.transport-btn {
    width: clamp(36px, 5vh, 44px);
    height: clamp(36px, 5vh, 44px);
    min-width: 44px;
    min-height: 44px;
    border-radius: 50%;
    border: 2px solid var(--accent-cyan);
    background: var(--bg-control);
    color: var(--accent-cyan);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.transport-btn:hover, .transport-btn:active {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.transport-btn.playing {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--accent-cyan);
}

.transport-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.transport-btn:disabled:hover {
    background: var(--bg-control);
    color: var(--accent-cyan);
}

.power-btn {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    background: var(--bg-control);
}

.power-btn:not(.active):hover {
    background: var(--accent-orange);
    color: var(--bg-dark);
}

.power-btn.active {
    background: var(--accent-orange) !important;
    color: var(--bg-dark) !important;
    box-shadow: 0 0 15px var(--accent-orange);
    animation: power-glow 2s ease-in-out infinite;
}

.power-btn:not(.active) {
    background: var(--bg-control) !important;
    color: var(--accent-orange) !important;
    box-shadow: none !important;
    animation: none !important;
}

@keyframes power-glow {
    0%, 100% { box-shadow: 0 0 10px var(--accent-orange); }
    50% { box-shadow: 0 0 20px var(--accent-orange); }
}

.tempo-control, .swing-control {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.tempo-control label, .swing-control label {
    font-size: clamp(0.4rem, 0.8vw, 0.5rem);
    color: var(--text-dim);
    letter-spacing: 1px;
}


.swing-control input[type="range"] {
    width: clamp(40px, 6vw, 60px);
    height: 6px;
    -webkit-appearance: none;
    background: var(--bg-control);
    border-radius: 3px;
}

.swing-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-cyan);
    border-radius: 50%;
    cursor: pointer;
}

.midi-section {
    display: flex;
    align-items: center;
    gap: clamp(4px, 0.8vw, 6px);
    flex-wrap: wrap;
}

.midi-io {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.midi-io label {
    font-size: clamp(0.35rem, 0.7vw, 0.5rem);
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.midi-io select {
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 2px 4px;
    border-radius: 3px;
    font-size: clamp(0.45rem, 0.8vw, 0.55rem);
    min-width: 40px;
    max-width: clamp(50px, 8vw, 70px);
    min-height: 24px;
}

.bus-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.bus-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

#virtual-bus-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bg-control);
    border: 1px solid var(--border);
    display: inline-block;
}

#virtual-bus-indicator.active {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}

.midi-notes-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.midi-notes-section label {
    font-size: clamp(0.35rem, 0.7vw, 0.5rem);
    color: var(--text-dim);
    letter-spacing: 0.5px;
    text-align: center;
}

.notes-toggles {
    display: flex;
    gap: 2px;
}

.midi-toggle-btn {
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 2px 4px;
    font-size: clamp(0.4rem, 0.7vw, 0.5rem);
    font-family: 'Orbitron', monospace;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 24px;
    min-width: 24px;
}

.midi-toggle-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-dark);
}

.midi-toggle-btn:hover:not(.active) {
    background: rgba(0, 255, 255, 0.2);
    border-color: var(--accent-cyan);
}

.midi-learn-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.midi-learn-section label {
    font-size: clamp(0.35rem, 0.7vw, 0.5rem);
    color: var(--text-dim);
    letter-spacing: 0.5px;
    text-align: center;
    width: 100%;
}

.midi-learn-btn {
    background: var(--bg-control);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 2px 4px;
    font-size: clamp(0.45rem, 0.8vw, 0.55rem);
    font-family: 'Orbitron', monospace;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 24px;
    min-width: 40px;
    max-width: clamp(50px, 8vw, 70px);
}

.midi-learn-btn:hover:not(.active) {
    background: rgba(0, 255, 100, 0.2);
}

.midi-learn-btn.active {
    background: var(--accent-green);
    color: var(--bg-dark);
    box-shadow: 0 0 8px var(--accent-green);
}

.fullscreen-btn {
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(4px, 0.8vh, 6px) clamp(8px, 1.2vw, 10px);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    min-width: 44px;
    min-height: 36px;
}

.fullscreen-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: clamp(6px, 1.5vh, 12px);
    gap: clamp(6px, 1.2vh, 12px);
    overflow: hidden;
    min-height: 0;
}

.synth-controls {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1.5vw, 16px);
    padding: clamp(8px, 1.5vh, 16px);
    background: linear-gradient(180deg, #353545, #2a2a35);
    border-radius: 8px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
    justify-content: space-evenly;
    flex-shrink: 0;
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(4px, 0.8vh, 8px);
}

.section-label {
    font-size: clamp(0.45rem, 0.9vw, 0.6rem);
    letter-spacing: 1px;
    color: var(--accent-orange);
    margin-bottom: 2px;
}

.waveform-section {
    min-width: 60px;
}

.waveform-buttons {
    display: flex;
    gap: clamp(4px, 0.8vw, 6px);
}

.wave-btn {
    width: clamp(36px, 5vh, 44px);
    height: clamp(36px, 5vh, 44px);
    min-width: 44px;
    min-height: 44px;
    background: var(--bg-control);
    border: 2px solid var(--border);
    color: var(--silver);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.wave-btn:hover, .wave-btn:active {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.wave-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--bg-dark);
    box-shadow: 0 0 10px rgba(255, 107, 0, 0.5);
}

.wave-btn svg {
    width: clamp(20px, 3vh, 28px);
    height: clamp(20px, 3vh, 28px);
}

.knob-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(3px, 0.6vh, 6px);
}

.knob-container label {
    font-size: clamp(0.55rem, 1vw, 0.7rem);
    letter-spacing: 1px;
    color: var(--silver);
}

.knob {
    position: relative;
    width: clamp(50px, 7vh, 64px);
    height: clamp(50px, 7vh, 64px);
    min-width: 50px;
    min-height: 50px;
    cursor: pointer;
    touch-action: none;
}

.knob-svg {
    width: 100%;
    height: 100%;
    transform: rotate(135deg);
}

.knob-track {
    fill: none;
    stroke: #1a1a1a;
    stroke-linecap: butt;
    stroke-dasharray: 198 66;
}

.knob-arc {
    fill: none;
    stroke: url(#knob-gradient);
    stroke-linecap: butt;
    stroke-dasharray: 198 264;
    stroke-dashoffset: 198;
    transition: stroke-dashoffset 0.05s ease;
}

.knob-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(0.55rem, 1.2vw, 0.7rem);
    font-family: 'Orbitron', monospace;
    color: var(--text);
    pointer-events: none;
    text-align: center;
    min-width: 24px;
}

.knob.midi-learning .knob-arc {
    stroke: var(--accent-green) !important;
}

@keyframes midi-learn-pulse {
    0%, 100% { box-shadow: 0 0 10px var(--accent-green); }
    50% { box-shadow: 0 0 20px var(--accent-green); }
}

.scale-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(2px, 0.5vh, 4px);
    min-width: 70px;
    padding: 0 clamp(4px, 0.5vw, 8px);
}

.scale-section select {
    width: 100%;
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(2px, 0.5vh, 4px) clamp(4px, 0.5vw, 6px);
    border-radius: 4px;
    font-size: clamp(0.5rem, 0.9vw, 0.6rem);
    font-family: 'Orbitron', monospace;
    min-height: 24px;
}

.preset-section {
    min-width: 80px;
}

.preset-section select {
    width: 100%;
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(4px, 0.8vh, 6px) clamp(6px, 1vw, 8px);
    border-radius: 4px;
    font-size: clamp(0.5rem, 0.9vw, 0.6rem);
    font-family: 'Orbitron', monospace;
    min-height: 28px;
}

.preset-section button {
    width: 100%;
    margin-top: 4px;
    background: var(--bg-control);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: clamp(4px, 0.8vh, 6px) clamp(6px, 1vw, 8px);
    font-size: clamp(0.45rem, 0.8vw, 0.55rem);
    font-family: 'Orbitron', monospace;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 28px;
}

.preset-section button:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.vu-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(3px, 0.6vh, 6px);
}

.vu-section label {
    font-size: clamp(0.55rem, 1vw, 0.7rem);
    letter-spacing: 1px;
    color: var(--silver);
}

.vu-meter-vertical {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 3px;
    background: #0a0a12;
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.6);
}

.vu-led {
    width: clamp(32px, 4vw, 44px);
    height: clamp(3px, 0.5vh, 5px);
    background: #1a1a24;
    border-radius: 1px;
    transition: background 0.05s, box-shadow 0.05s;
}

.vu-led[data-level="1"],
.vu-led[data-level="2"],
.vu-led[data-level="3"] {
    --led-color: #00ff66;
}

.vu-led[data-level="4"],
.vu-led[data-level="5"] {
    --led-color: #ffcc00;
}

.vu-led[data-level="6"],
.vu-led[data-level="7"],
.vu-led[data-level="8"] {
    --led-color: #ff2200;
}

.vu-led.active {
    background: var(--led-color);
    box-shadow: 0 0 6px var(--led-color), 0 0 2px var(--led-color);
}

.vu-led.peak {
    background: var(--led-color);
    box-shadow: 0 0 10px var(--led-color), 0 0 4px var(--led-color);
}

.sequencer-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #2a2a35, #252530);
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: clamp(4px, 1vh, 10px);
    min-height: 0;
    overflow: hidden;
}

.sequencer-controls {
    display: grid;
    grid-template-columns: minmax(auto, 1fr) auto minmax(auto, 1fr);
    align-items: center;
    margin-bottom: clamp(6px, 1vh, 12px);
    gap: clamp(4px, 1vw, 8px);
    flex-shrink: 0;
}

.sequencer-controls > .seq-length-control {
    grid-column: 1;
    justify-self: start;
}

.sequencer-controls > .pattern-controls {
    grid-column: 2;
    justify-self: center;
}

.sequencer-controls > .pattern-save-section {
    grid-column: 3;
    justify-self: end;
}

.seq-length-control {
    display: flex;
    align-items: center;
    gap: clamp(4px, 1vw, 8px);
}

.seq-length-control label {
    font-size: clamp(0.5rem, 0.9vw, 0.6rem);
    color: var(--text-dim);
    letter-spacing: 1px;
}

.spinner-control {
    display: flex;
    align-items: center;
    gap: 2px;
}

.spinner-btn {
    width: clamp(28px, 4vh, 36px);
    height: clamp(28px, 4vh, 36px);
    min-width: 32px;
    min-height: 32px;
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--accent-cyan);
    border-radius: 4px;
    cursor: pointer;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    touch-action: manipulation;
}

.spinner-btn:hover, .spinner-btn:active {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.spinner-value {
    min-width: clamp(30px, 4vw, 40px);
    text-align: center;
    font-size: clamp(0.75rem, 1.2vw, 0.95rem);
    color: var(--accent-cyan);
    font-family: 'Orbitron', monospace;
}

.spinner-input {
    width: clamp(40px, 5vw, 50px);
    text-align: center;
    font-size: clamp(0.75rem, 1.2vw, 0.95rem);
    color: var(--accent-cyan);
    font-family: 'Orbitron', monospace;
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 2px;
    -moz-appearance: textfield;
}

.spinner-input::-webkit-outer-spin-button,
.spinner-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.spinner-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 4px var(--accent-cyan);
}

.pattern-controls {
    display: flex;
    gap: clamp(4px, 0.8vw, 6px);
}

.pattern-save-section {
    display: flex;
    align-items: center;
    gap: clamp(4px, 0.8vw, 6px);
}

.pattern-save-section select {
    padding: clamp(4px, 0.6vh, 6px) clamp(6px, 1vw, 10px);
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: clamp(0.5rem, 0.9vw, 0.65rem);
    min-width: clamp(70px, 10vw, 100px);
}

.pattern-save-section button {
    padding: clamp(4px, 0.6vh, 6px) clamp(8px, 1.2vw, 12px);
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-size: clamp(0.5rem, 0.9vw, 0.65rem);
    cursor: pointer;
    transition: all 0.2s;
}

.pattern-save-section button:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.chain-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(4px, 0.8vh, 6px);
    min-width: clamp(120px, 18vw, 200px);
}

.chain-toggle-btn {
    background: transparent;
    border: none;
    padding: 0;
    font-size: clamp(0.6rem, 1.2vw, 0.8rem);
    font-family: 'Orbitron', monospace;
    letter-spacing: 1px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.chain-toggle-btn.active {
    color: var(--accent-orange);
}

.chain-toggle-btn:hover {
    color: var(--accent-orange);
}

.chain-controls {
    display: none;
    flex-direction: row;
    align-items: center;
    gap: clamp(4px, 0.8vw, 6px);
}

.chain-controls.active {
    display: flex;
}


.chain-controls select {
    padding: clamp(4px, 0.6vh, 6px) clamp(6px, 1vw, 10px);
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: clamp(0.55rem, 0.9vw, 0.7rem);
    min-width: clamp(55px, 7vw, 80px);
}

.chain-slots {
    display: flex;
    gap: 3px;
    max-width: clamp(120px, 18vw, 200px);
    overflow-x: auto;
    padding-bottom: 2px;
}

.chain-slots::-webkit-scrollbar {
    height: 4px;
}

.chain-slots::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 2px;
}

.chain-slots::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 2px;
}

.chain-slots::-webkit-scrollbar-thumb:hover {
    background: var(--accent-orange);
}

.chain-slot {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 3px 5px;
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: clamp(0.5rem, 0.85vw, 0.65rem);
    color: var(--text);
    white-space: nowrap;
}

.chain-slot.active {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.15);
}

.chain-slot .slot-name {
    max-width: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chain-slot .slot-stepper {
    display: flex;
    align-items: center;
    gap: 1px;
}

.chain-slot .slot-dec,
.chain-slot .slot-inc {
    width: 16px;
    height: 16px;
    padding: 0;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--accent-cyan);
    font-size: 11px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chain-slot .slot-dec:hover,
.chain-slot .slot-inc:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.chain-slot .slot-repeats {
    color: var(--accent-orange);
    font-size: 0.8em;
    min-width: 14px;
    text-align: center;
}

.chain-slot .slot-remove {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.8em;
    padding: 0 2px;
}

.chain-slot .slot-remove:hover {
    color: #ff5555;
}

.chain-position {
    font-size: clamp(0.55rem, 0.9vw, 0.7rem);
    color: var(--accent-cyan);
    font-family: 'Orbitron', monospace;
    min-width: 50px;
}

.pattern-controls button {
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(4px, 0.8vh, 6px) clamp(6px, 1vw, 10px);
    font-size: clamp(0.45rem, 0.8vw, 0.55rem);
    font-family: 'Orbitron', monospace;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 28px;
    min-width: 36px;
}

.pattern-controls button:hover, .pattern-controls button:active {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.step-grid-wrapper {
    flex: 1;
    display: flex;
    align-items: stretch;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
    padding: clamp(2px, 0.5vh, 4px) 0;
}

.step-grid {
    display: grid;
    grid-template-columns: repeat(var(--step-columns, 16), minmax(0, 1fr));
    grid-template-rows: repeat(var(--step-rows, 1), minmax(0, 1fr));
    gap: clamp(2px, 0.4vw, 4px);
    width: 100%;
    height: 100%;
    padding: 2px;
}

.step {
    display: grid;
    grid-template-rows: auto 1fr auto;
    align-items: center;
    justify-items: center;
    gap: 1px;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.step-num {
    font-size: clamp(0.55rem, 1.1vw, 0.75rem);
    color: var(--text-dim);
    line-height: 1;
}

.step-note {
    width: 100%;
    height: 100%;
    min-height: 0;
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.7rem, 1.3vw, 0.9rem);
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    touch-action: manipulation;
    overflow: hidden;
}

.step-note:hover, .step-note:active {
    border-color: var(--accent-orange);
}

.step-note.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--bg-dark);
}

.step-note.rest {
    background: var(--bg-dark);
    color: var(--text-dim);
}

.step-note.playing {
    box-shadow: 0 0 12px var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.step-indicators {
    display: flex;
    gap: 1px;
    flex-shrink: 0;
}

.step-indicator {
    width: clamp(5px, 0.8vw, 7px);
    height: clamp(5px, 0.8vw, 7px);
    border-radius: 2px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
}

.step-indicator.accent {
    background: var(--accent-red);
    border-color: var(--accent-red);
    box-shadow: 0 0 4px var(--accent-red);
}

.step-indicator.slide {
    background: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: 0 0 4px var(--accent-green);
}

.step-options {
    display: flex;
    justify-content: center;
    gap: clamp(8px, 1.5vw, 12px);
    margin-top: clamp(6px, 1vh, 12px);
    flex-shrink: 0;
}

.step-mode-buttons {
    display: flex;
    gap: clamp(4px, 0.8vw, 6px);
    width: calc(7 * clamp(36px, 5.5vw, 48px) + 6 * 1px);
}

.mode-btn {
    flex: 1;
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(6px, 1vh, 8px) clamp(10px, 1.5vw, 14px);
    font-size: clamp(0.5rem, 0.9vw, 0.6rem);
    font-family: 'Orbitron', monospace;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 32px;
}

.mode-btn:hover, .mode-btn:active {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.mode-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--bg-dark);
}

.keyboard-section {
    display: grid;
    grid-template-columns: minmax(auto, 1fr) auto minmax(auto, 1fr);
    align-items: center;
    gap: clamp(6px, 1vw, 10px);
    padding: clamp(8px, 1.5vh, 12px);
    background: linear-gradient(180deg, #353545, #2a2a35);
    border-radius: 8px;
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.keyboard-section > .chain-section {
    grid-column: 1;
    justify-self: start;
}

.keyboard-center-group {
    grid-column: 2;
    justify-self: center;
    display: flex;
    align-items: center;
    gap: clamp(6px, 1vw, 10px);
}

.keyboard-section > .scale-section {
    grid-column: 3;
    justify-self: end;
}

.keyboard-right-group {
    display: flex;
    gap: clamp(8px, 1.5vw, 12px);
    align-items: stretch;
    justify-self: start;
}

.keyboard-controls-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: clamp(2px, 0.4vh, 4px);
}

.keyboard-controls-group .section-label {
    font-size: clamp(0.6rem, 1.2vw, 0.8rem);
    margin-bottom: 0;
}

.octave-controls, .transpose-controls {
    display: flex;
    align-items: center;
    gap: 2px;
}

.transpose-controls label {
    font-size: clamp(0.4rem, 0.7vw, 0.5rem);
    color: var(--text-dim);
    letter-spacing: 1px;
}

.keyboard {
    display: flex;
    position: relative;
    align-self: stretch;
}

.white-key {
    width: clamp(36px, 5.5vw, 48px);
    height: 100%;
    min-width: 40px;
    background: linear-gradient(180deg, #4a4a55, #35353f);
    border: 1px solid #555;
    border-radius: 0 0 4px 4px;
    cursor: pointer;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: clamp(3px, 0.6vh, 6px);
    font-size: clamp(0.6rem, 1.1vw, 0.75rem);
    color: #aaa;
    transition: all 0.1s;
    z-index: 1;
    touch-action: none;
}

.white-key:hover, .white-key:active {
    background: linear-gradient(180deg, #5a5a65, #45454f);
}

.white-key.active {
    background: linear-gradient(180deg, var(--accent-orange), #cc5500);
    color: #fff;
    box-shadow: 0 0 10px var(--accent-orange);
}

.white-key.armed {
    background: linear-gradient(180deg, var(--accent-cyan), #0099aa);
    color: #fff;
    box-shadow: 0 0 12px var(--accent-cyan);
}

.black-key {
    --black-key-width: clamp(22px, 3.5vw, 30px);
    width: var(--black-key-width);
    height: 60%;
    min-width: 24px;
    background: linear-gradient(180deg, #333, #1a1a1a);
    border: 1px solid #000;
    border-radius: 0 0 3px 3px;
    cursor: pointer;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: clamp(2px, 0.4vh, 4px);
    font-size: clamp(0.55rem, 1vw, 0.65rem);
    color: #888;
    position: absolute;
    z-index: 2;
    transition: all 0.1s;
    touch-action: none;
}

.black-key:hover, .black-key:active {
    background: linear-gradient(180deg, #444, #222);
}

.black-key.active {
    background: linear-gradient(180deg, var(--accent-orange), #cc5500);
    color: #fff;
    box-shadow: 0 0 10px var(--accent-orange);
}

.black-key.armed {
    background: linear-gradient(180deg, var(--accent-cyan), #0099aa);
    color: #fff;
    box-shadow: 0 0 12px var(--accent-cyan);
}

@media (max-width: 600px) {
    header {
        justify-content: center;
    }
    
    .logo-section {
        width: 100%;
        text-align: center;
        align-items: center;
    }
    
    .transport, .midi-section {
        justify-content: center;
    }
    
    .synth-controls {
        padding: 8px;
        gap: 6px;
    }
    
}

@media (max-height: 500px) {
    .logo-section .subtitle {
        display: none;
    }
    
    .section-label {
        display: none;
    }
    
    .keyboard-section {
        padding: 6px;
    }
    
}

@media (orientation: landscape) and (max-height: 450px) {
    header {
        padding: 3px 8px;
    }
    
    main {
        padding: 4px;
        gap: 4px;
    }
    
    .synth-controls {
        padding: 6px;
    }
    
    .sequencer-section {
        padding: 4px;
    }
    
    .keyboard-section {
        padding: 4px;
    }
}

/* Theme Editor Modal */
.theme-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.theme-modal-overlay.active {
    display: flex;
}

.theme-modal {
    background: var(--bg-panel);
    border: 2px solid var(--accent-orange);
    border-radius: 12px;
    width: min(880px, 96vw);
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.3);
    margin: 0 2vw;
}

.theme-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(8px, 2vh, 16px) clamp(12px, 2vw, 20px);
    background: linear-gradient(180deg, #353545, #2a2a35);
    border-bottom: 1px solid var(--border);
}

.theme-modal-header h2 {
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    color: var(--accent-orange);
    letter-spacing: 2px;
    margin: 0;
}

.theme-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-control);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.theme-close-btn:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.theme-modal-body {
    padding: clamp(10px, 2vh, 20px);
    overflow: hidden;
    flex: 1;
}

.theme-presets {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(6px, 1vw, 10px);
    margin-bottom: clamp(12px, 2vh, 20px);
    padding-bottom: clamp(10px, 1.5vh, 16px);
    border-bottom: 1px solid var(--border);
}

.theme-preset-btn {
    padding: clamp(6px, 1vh, 10px) clamp(12px, 2vw, 18px);
    background: var(--bg-control);
    border: 2px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'Orbitron', monospace;
    font-size: clamp(0.55rem, 1vw, 0.7rem);
    cursor: pointer;
    transition: all 0.2s;
    min-height: 36px;
}

.theme-preset-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.theme-preset-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-dark);
}

.theme-colors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(8px, 1.5vw, 12px);
}

.theme-color-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.theme-color-item label {
    font-size: clamp(0.55rem, 1vw, 0.7rem);
    color: var(--silver);
    letter-spacing: 1px;
}

.theme-color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-color-input {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    background: none;
    padding: 2px;
}

.theme-color-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.theme-color-input::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.theme-color-input::-moz-color-swatch {
    border: none;
    border-radius: 4px;
}

.theme-color-hex {
    width: 80px;
    background: var(--bg-control);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 6px;
    color: var(--text);
    font-family: 'Orbitron', monospace;
    font-size: clamp(0.55rem, 1vw, 0.7rem);
    text-transform: uppercase;
    min-height: 36px;
}

.theme-color-hex:focus {
    outline: none;
    border-color: var(--accent-orange);
}

.theme-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: clamp(8px, 1.5vw, 12px);
    padding: clamp(10px, 2vh, 16px) clamp(12px, 2vw, 20px);
    background: linear-gradient(180deg, #2a2a35, #252530);
    border-top: 1px solid var(--border);
}

.theme-action-btn {
    padding: clamp(8px, 1.2vh, 12px) clamp(16px, 2.5vw, 24px);
    background: var(--bg-control);
    border: 2px solid var(--accent-cyan);
    border-radius: 6px;
    color: var(--accent-cyan);
    font-family: 'Orbitron', monospace;
    font-size: clamp(0.6rem, 1vw, 0.75rem);
    cursor: pointer;
    transition: all 0.2s;
    min-height: 40px;
}

.theme-action-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.theme-action-btn.primary {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.theme-action-btn.primary:hover {
    background: var(--accent-orange);
    color: var(--bg-dark);
}

.theme-btn {
    background: var(--bg-control);
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(4px, 0.8vh, 6px) clamp(8px, 1.2vw, 10px);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    min-width: 44px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

/* Theme modal responsive - maintain layout */
@media (max-width: 600px) {
    .theme-colors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Randomize Options Popup */
.randomize-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-panel);
    border: 2px solid var(--accent-orange);
    border-radius: 12px;
    z-index: 10000;
    min-width: 200px;
    max-width: 280px;
    display: none;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

.randomize-popup.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.randomize-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.randomize-popup-header span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-orange);
    letter-spacing: 1px;
}

.randomize-popup-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.randomize-popup-close:hover {
    color: var(--accent-orange);
}

.randomize-popup-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.randomize-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background 0.2s;
}

.randomize-option:hover {
    background: rgba(255, 255, 255, 0.05);
}

.randomize-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-orange);
    cursor: pointer;
}

.randomize-option span {
    font-size: 0.8rem;
    color: var(--text);
}

.randomize-popup-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.randomize-apply-btn {
    width: 100%;
    padding: 10px;
    background: var(--accent-orange);
    border: none;
    border-radius: 6px;
    color: var(--bg-dark);
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.randomize-apply-btn:hover {
    filter: brightness(1.2);
    box-shadow: 0 0 15px var(--accent-orange);
}

.settings-mini-btn {
    width: 24px !important;
    min-width: 24px !important;
    padding: 0 !important;
    font-size: 0.7rem !important;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.settings-mini-btn:hover {
    opacity: 1;
}

/* Jam Session Button */
.jam-btn {
    padding: 6px 12px;
    background: linear-gradient(145deg, #333, #222);
    border: 1px solid #555;
    border-radius: 4px;
    color: #0f0;
    font-family: 'Orbitron', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 8px;
}

.jam-btn:hover {
    background: linear-gradient(145deg, #444, #333);
    border-color: #0f0;
    box-shadow: 0 0 8px rgba(0, 255, 0, 0.3);
}

#jam-toggle-btn.active {
    background: linear-gradient(145deg, #0a5a0a, #073a07);
    border-color: #0f0;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

.export-dropdown {
    position: relative;
    display: inline-block;
}

.export-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: linear-gradient(145deg, #333, #222);
    border: 1px solid #555;
    border-radius: 4px;
    color: var(--accent-cyan, #0ff);
    font-family: 'Orbitron', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.export-btn:hover {
    background: linear-gradient(145deg, #444, #333);
    border-color: var(--accent-cyan, #0ff);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.export-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border: 1px solid #555;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    min-width: 140px;
    overflow: hidden;
}

.export-menu.open {
    display: block;
}

.export-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: #ccc;
    font-family: 'Orbitron', monospace;
    font-size: 0.75rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.15s;
}

.export-option:hover {
    background: var(--accent-cyan, #0ff);
    color: #000;
}

.export-option:not(:last-child) {
    border-bottom: 1px solid #444;
}