/* SYNTHTHING - Cyberpunk Synthesizer Styles */

:root {
    --bg-dark: #0a0a0f;
    --bg-panel: #12121a;
    --bg-control: #1a1a25;
    --accent-primary: #00ffff;
    --accent-secondary: #ff00ff;
    --accent-tertiary: #ffff00;
    --accent-hot: #ff3366;
    --text-primary: #ffffff;
    --text-secondary: #888899;
    --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
    --glow-hot: 0 0 20px rgba(255, 51, 102, 0.5);
    --border-subtle: rgba(255, 255, 255, 0.1);
    --gradient-cyber: linear-gradient(135deg, #00ffff 0%, #ff00ff 50%, #ffff00 100%);
}

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

body {
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 0, 255, 0.03) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-dark) 0%, #0f0f18 100%);
}

/* Click to start overlay */
.click-to-start {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.click-to-start.hidden {
    display: none;
}

.start-content {
    text-align: center;
    position: relative;
}

.start-content h2 {
    font-size: 4rem;
    font-weight: 200;
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.start-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: pulse 2s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* Main Container */
.synth-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 100vh;
}

/* Header */
.synth-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 200;
    letter-spacing: 0.4em;
    color: var(--text-primary);
}

.logo .accent {
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.panic-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: transparent;
    border: 2px solid var(--accent-hot);
    color: var(--accent-hot);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
}

.panic-btn:hover {
    background: var(--accent-hot);
    color: var(--bg-dark);
    box-shadow: var(--glow-hot);
}

.panic-btn:active {
    transform: scale(0.95);
}

.midi-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

.midi-status.connected .status-dot {
    background: var(--accent-primary);
    box-shadow: var(--glow-cyan);
}

.midi-status.disconnected .status-dot {
    background: var(--accent-hot);
}

/* Main Layout */
.synth-main {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 1rem;
    flex: 1;
}

/* Panels */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-cyber);
    opacity: 0.5;
}

.panel-title {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* Oscillators */
.oscillator-bank {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.oscillator {
    background: var(--bg-control);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.oscillator:hover {
    border-color: rgba(0, 255, 255, 0.3);
}

.osc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.osc-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.osc-toggle {
    padding: 0.25rem 0.75rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.osc-toggle.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-dark);
    box-shadow: var(--glow-cyan);
}

.osc-controls {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* Knobs */
.knob-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.knob-group label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.knob {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: conic-gradient(from 220deg, var(--bg-control) 0deg, var(--bg-control) 280deg);
    border: 2px solid var(--border-subtle);
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
}

.knob.large {
    width: 70px;
    height: 70px;
}

.knob:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow-cyan);
}

.knob::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    border-radius: 50%;
    background: linear-gradient(145deg, #1e1e2a, #151520);
}

.knob-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 40%;
    background: var(--accent-primary);
    border-radius: 2px;
    transform-origin: bottom center;
    transform: translateX(-50%) translateY(-100%) rotate(0deg);
    box-shadow: var(--glow-cyan);
    z-index: 1;
}

.knob.large .knob-inner {
    width: 5px;
    height: 35%;
}

.knob-value {
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6rem;
    color: var(--accent-primary);
    white-space: nowrap;
}

/* Waveform Select */
.waveform-select {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.waveform-select label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.waveform-select select,
.lfo-routing select {
    background: var(--bg-control);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.waveform-select select:hover,
.lfo-routing select:hover {
    border-color: var(--accent-primary);
}

.waveform-select select:focus,
.lfo-routing select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--glow-cyan);
}

/* Center Panel */
.center-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Visualizer */
.visualizer-container {
    background: var(--bg-control);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
    position: relative;
    flex: 1;
    min-height: 200px;
}

#oscilloscope {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 20, 30, 0.3) 100%);
}

.viz-controls {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
}

.viz-mode {
    padding: 0.25rem 0.5rem;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Keyboard */
.keyboard-container {
    background: var(--bg-control);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
}

.keyboard {
    display: flex;
    height: 140px;
    position: relative;
    user-select: none;
}

.key {
    position: relative;
    cursor: pointer;
    transition: all 0.05s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.key.white {
    flex: 1;
    background: linear-gradient(180deg, #f0f0f0 0%, #d0d0d0 100%);
    border: 1px solid #aaa;
    border-radius: 0 0 6px 6px;
    z-index: 1;
    color: #666;
}

.key.white:hover {
    background: linear-gradient(180deg, #fff 0%, #e8e8e8 100%);
}

.key.white.active {
    background: linear-gradient(180deg, var(--accent-primary) 0%, #00cccc 100%);
    box-shadow: var(--glow-cyan);
    color: var(--bg-dark);
}

.key.black {
    position: absolute;
    width: 8%;
    height: 60%;
    background: linear-gradient(180deg, #333 0%, #111 100%);
    border-radius: 0 0 4px 4px;
    z-index: 2;
    color: #888;
}

.key.black:hover {
    background: linear-gradient(180deg, #444 0%, #222 100%);
}

.key.black.active {
    background: linear-gradient(180deg, var(--accent-secondary) 0%, #cc00cc 100%);
    box-shadow: var(--glow-magenta);
    color: var(--bg-dark);
}

.keyboard-info {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.key-hint {
    opacity: 0.7;
}

/* Filter & Effects Panel */
.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.effects-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.effect-unit {
    background: var(--bg-control);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
}

.effect-unit h3 {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent-secondary);
    margin-bottom: 0.75rem;
}

.effect-knobs {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* Bottom Panel */
.bottom-panel {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

.bottom-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-cyber);
    opacity: 0.5;
}

.envelope-section,
.lfo-section,
.master-section {
    background: var(--bg-control);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
}

.env-display,
.lfo-display {
    width: 100%;
    height: 50px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-subtle);
}

.lfo-display {
    height: 40px;
}

.envelope-controls,
.lfo-controls,
.master-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

.lfo-routing {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.lfo-routing label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.lfo-routing select {
    min-width: 100px;
}

.master-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.master-controls {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.mono-controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.mono-toggle-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    align-items: center;
}

.mono-toggle-group label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.mode-buttons {
    display: flex;
    gap: 2px;
}

.mode-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: var(--bg-control);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.mode-btn:first-child {
    border-radius: 4px 0 0 4px;
}

.mode-btn:last-child {
    border-radius: 0 4px 4px 0;
}

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

.mode-btn:hover:not(.active) {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

#glideControl {
    opacity: 0.4;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

#glideControl.enabled {
    opacity: 1;
    pointer-events: auto;
}

/* Animations */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
    }
}

/* Active note indicator */
.key.midi-active {
    animation: glow-pulse 0.5s ease-in-out infinite;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-control);
}

::-webkit-scrollbar-thumb {
    background: var(--border-subtle);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .synth-main {
        grid-template-columns: 1fr;
    }
    
    .bottom-panel {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .bottom-panel {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .keyboard {
        height: 100px;
    }
}

/* Additional visual polish */
.panel:hover {
    border-color: rgba(0, 255, 255, 0.2);
}

select option {
    background: var(--bg-control);
    color: var(--text-primary);
}

/* Grid lines for oscilloscope */
.visualizer-container::after {
    content: '';
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    pointer-events: none;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    border-radius: 4px;
}