:root {
    --bg-color: #050505;
    --primary-color: #00f3ff;
    --secondary-color: #bc13fe;
    --danger-color: #ff0055;
    --success-color: #00ff9d;
    --warning-color: #ffb800;
    --glass-bg: rgba(10, 10, 15, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 10px;
    --font-main: 'Segoe UI', 'Roboto', Helvetica, Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    --transition-speed: 0.3s;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 5px currentColor;
    }

    50% {
        box-shadow: 0 0 20px currentColor;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

body {
    background-color: var(--bg-color);
    color: #fff;
    font-family: var(--font-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    transition: background-color var(--transition-speed);
    touch-action: none;
}

body.theme-light {
    --bg-color: #f0f0f0;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
    color: #333;
}

body.theme-cyberpunk {
    --primary-color: #ff00ff;
    --secondary-color: #00ffff;
    --bg-color: #0a0015;
}

body.theme-minimal {
    --primary-color: #888;
    --secondary-color: #666;
    --danger-color: #c00;
    --success-color: #0a0;
}

#app-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.4s ease-out;
    transition: all var(--transition-speed);
}

.glass-panel:hover {
    box-shadow: 0 6px 40px rgba(0, 0, 0, 0.7);
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    margin: 10px 10px 0 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
    margin: 0;
}

.highlight {
    color: var(--warning-color);
}

.header-status {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    user-select: none;
}

.status-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.status-pill:active {
    transform: translateY(0);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 5px currentColor;
}

.status-pill.disconnected {
    border-color: var(--danger-color);
    color: #aaa;
}

.status-pill.disconnected .status-indicator {
    background-color: var(--danger-color);
    box-shadow: 0 0 8px var(--danger-color);
}

.status-pill.connected {
    border-color: var(--success-color);
    color: #fff;
    animation: fadeIn 0.5s;
}

.status-pill.connected .status-indicator {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
    animation: glow 2s ease-in-out infinite;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 1rem;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.icon-btn:active {
    transform: translateY(0);
}

.icon-btn.active {
    background: rgba(0, 243, 255, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* LAYOUT */
.main-layout {
    display: flex;
    flex: 1;
    gap: 10px;
    padding: 0 10px;
    overflow: hidden;
    margin-top: 10px;
}

#visualizer-container {
    flex: 1;
    position: relative;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
    border-radius: 12px;
    overflow: hidden;
    min-height: 200px;
}

#visualizer {
    width: 100%;
    height: 100%;
}

.overlay-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.7rem;
    color: #888;
    font-family: var(--font-mono);
    pointer-events: none;
    animation: fadeIn 0.5s;
}

.viewer-controls {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-speed);
    z-index: 10000;
    white-space: nowrap;
    border: 1px solid var(--primary-color);
}

.tooltip.show {
    opacity: 1;
}

/* BUTTONS & INPUTS */
.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all var(--transition-speed);
    text-transform: uppercase;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    user-select: none;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

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

.btn.danger {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.btn.success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.btn.warning {
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.btn.secondary {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.btn.small {
    padding: 6px 12px;
    font-size: 0.7rem;
}

.btn.active {
    background: rgba(255, 0, 85, 0.2);
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.5);
    animation: pulse 1.5s ease-in-out infinite;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    background: #333;
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: background var(--transition-speed);
}

input[type="range"]:hover {
    background: #444;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 0 8px var(--primary-color);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 12px var(--primary-color);
}

/* BOTTOM PANEL & TIMELINE */
.bottom {
    margin: 10px;
    height: auto;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sequencer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.sequencer-header h2 {
    font-size: 0.9rem;
    color: var(--primary-color);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sequencer-controls,
.sequencer-file-ops {
    display: flex;
    gap: 8px;
    align-items: center;
}

#timeline-wrapper {
    flex: 1;
    background: #0a0a0a;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    min-height: 180px;
    border: 1px solid var(--glass-border);
}

#timeline-container {
    width: 100%;
}

#timeline-container canvas {
    display: block;
    cursor: grab;
    touch-action: pan-x;
}

#timeline-container canvas:active {
    cursor: grabbing;
}

/* TIMELINE TRACK CONTROLS */
#track-controls {
    background: #0d0d0d;
    display: flex;
    flex-direction: column;
    padding-top: 30px;
    border-right: 1px solid #222;
}

.track-control-item {
    height: 50px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 8px;
    border-bottom: 1px solid #1a1a1a;
    transition: background var(--transition-speed);
}

.track-control-item:hover {
    background: rgba(0, 243, 255, 0.03);
}

.drag-handle,
.track-drag-handle {
    font-size: 0.9rem;
    cursor: grab;
    margin-right: 6px;
    color: #555;
    user-select: none;
}

.drag-handle:hover,
.track-drag-handle:hover {
    color: var(--primary-color);
}

.config-item.dragging,
.track-control-item.dragging {
    opacity: 0.6;
}

.config-item.over,
.track-control-item.over {
    outline: 1px dashed var(--primary-color);
}

.track-control-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.track-control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.track-name {
    font-size: 0.75rem;
    color: #aaa;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}

.track-value {
    font-size: 0.7rem;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.track-slider {
    width: 100%;
    height: 3px;
}

.track-settings-btn,
.track-delete-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid #333;
    color: #666;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 6px;
    border-radius: 6px;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.track-settings-btn:hover {
    color: var(--primary-color);
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.track-delete-btn {
    font-size: 1.2rem;
    font-weight: bold;
}

.track-delete-btn:hover {
    color: var(--danger-color);
    background: rgba(255, 0, 85, 0.1);
    border-color: var(--danger-color);
    transform: translateY(-1px);
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.3s;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 25px;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.8);
    animation: slideIn 0.4s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all var(--transition-speed);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.modal-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-align: center;
}

.modal-item:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.modal-item.selected {
    border-color: var(--primary-color);
    background: rgba(0, 243, 255, 0.1);
}

.file-upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    margin: 15px 0;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(0, 243, 255, 0.05);
}

.file-upload-area.drag-over {
    border-color: var(--success-color);
    background: rgba(0, 255, 157, 0.1);
}

/* KEYBOARD SHORTCUTS */
.shortcuts-panel {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 15px 20px;
    display: none;
    z-index: 9998;
    animation: slideIn 0.4s;
}

.shortcuts-panel.show {
    display: block;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: auto auto;
    gap: 10px 20px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.shortcut-key {
    background: #222;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #444;
    color: var(--primary-color);
}

/* NOTIFICATION */
.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 15px 20px;
    max-width: 300px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 9997;
    animation: slideIn 0.4s;
    display: none;
}

.notification.show {
    display: block;
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

/* COLOR PALETTE PICKER */
.color-palette {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin: 10px 0;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
}

.color-swatch:hover {
    transform: scale(1.1);
    border-color: #fff;
}

.color-swatch.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 12px var(--primary-color);
}

/* STATS PANEL */
.stats-panel {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.8);
    padding: 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--primary-color);
    pointer-events: none;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 3px;
}

/* ADVANCED INPUT */
.input-group {
    position: relative;
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.75rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input[type="text"],
.input-group input[type="number"],
.input-group select {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid #333;
    color: #fff;
    padding: 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
    transition: all var(--transition-speed);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(0, 243, 255, 0.3);
}

/* TOGGLE SWITCH */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 24px;
    background: #333;
    border-radius: 12px;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.toggle-switch.active {
    background: var(--success-color);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-speed);
}

.toggle-switch.active::after {
    transform: translateX(26px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    body {
        overflow: auto;
        height: auto;
    }

    #app-container {
        height: auto;
        min-height: 100vh;
    }

    .main-layout {
        flex-direction: column;
        overflow: visible;
    }

    #visualizer-container {
        height: 400px;
        flex: none;
    }

    .bottom {
        height: auto;
    }

    header {
        padding: 10px;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .status-pill {
        font-size: 0.7rem;
        padding: 6px 10px;
    }

    .viewer-controls {
        top: 10px;
        right: 10px;
    }

    .icon-btn {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 640px) {
    .logo h1 {
        font-size: 1rem;
    }

    .sequencer-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal-grid {
        grid-template-columns: 1fr;
    }

    #track-controls {
        width: 200px;
    }
}

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

::-webkit-scrollbar-track {
    background: #111;
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
    transition: background var(--transition-speed);
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* PERFORMANCE MODE */
body.performance-mode * {
    animation: none !important;
    transition: none !important;
}