:root {
    --bg-main: #0b0f19;
    --bg-sidebar: #111827;
    --bg-card: #1f2937;
    --bg-card-hover: #374151;
    --border-color: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand-text h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.badge {
    font-size: 11px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}

.nav-section h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.nav-btn:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.nav-btn.active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), transparent);
    color: var(--accent-blue);
    border-left: 3px solid var(--accent-blue);
}

.controller-status-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.status-dot.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-title {
    font-size: 13px;
    font-weight: 600;
}

.controller-mini-graphic {
    height: 40px;
    background: var(--bg-main);
    border-radius: var(--radius-sm);
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
}

.mini-trigger {
    width: 12px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 4px;
}

.status-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
}

.metric {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

.metric strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.sidebar-footer {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-main);
    overflow: hidden;
}

.top-bar {
    height: 72px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background-color: var(--bg-sidebar);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    width: 380px;
    color: var(--text-secondary);
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    width: 100%;
    outline: none;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: var(--bg-card);
}

.btn-accent {
    background-color: var(--accent-cyan);
    color: var(--bg-main);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Content Viewport */
.content-viewport {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.lab-module {
    display: none;
    flex-direction: column;
    gap: 24px;
}

.lab-module.active {
    display: flex;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.module-header h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.module-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.module-actions {
    display: flex;
    gap: 12px;
}

/* Cards & Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.dashboard-grid-uneven {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
}

.card {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
}

.card-title i {
    font-size: 16px;
    color: var(--accent-blue);
}

.card-title h3 {
    font-size: 15px;
    font-weight: 600;
    flex: 1;
}

.val-badge {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    color: var(--accent-cyan);
    border: 1px solid var(--border-color);
}

/* Control Elements */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.slider-with-val {
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-with-val input[type="range"] {
    flex: 1;
    accent-color: var(--accent-blue);
    height: 6px;
    background: var(--bg-card);
    border-radius: 3px;
    outline: none;
}

.slider-with-val span {
    font-family: var(--font-mono);
    font-size: 13px;
    width: 65px;
    text-align: right;
    color: var(--text-primary);
}

.radio-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.radio-chip {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.radio-chip input {
    display: none;
}

.radio-chip.active, .radio-chip:hover {
    background-color: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 600;
}

.form-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.segmented-control {
    display: flex;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
    gap: 4px;
}

.seg-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.seg-btn.active {
    background-color: var(--accent-blue);
    color: white;
    font-weight: 600;
}

/* Oscilloscope & Canvases */
.oscilloscope-card {
    background-color: var(--bg-sidebar);
}

.osc-legend {
    display: flex;
    gap: 16px;
    font-size: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.primary { background-color: var(--accent-blue); }
.dot.accent { background-color: var(--accent-purple); }

.canvas-container {
    height: 220px;
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

.canvas-container-tall {
    height: 340px;
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.osc-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.status-note {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Presets Grid */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.preset-card {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.preset-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.preset-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.preset-card h3 {
    font-size: 16px;
    font-weight: 600;
}

.preset-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

.preset-tags {
    display: flex;
    gap: 8px;
}

.tag {
    font-size: 11px;
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 4px;
}

/* Telemetry & Terminal */
.metrics-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.metric-row strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.thermal-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.thermal-label {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.thermal-label strong {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.progress-bar {
    height: 8px;
    background-color: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent-blue);
    border-radius: 4px;
}

.progress-fill.accent { background-color: var(--accent-purple); }
.progress-fill.warning { background-color: var(--warning); }

.log-card {
    grid-column: span 2;
}

.terminal-box {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    height: 160px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-entry {
    color: var(--text-secondary);
}

.log-entry .time {
    color: var(--accent-cyan);
    margin-right: 8px;
}

.log-entry.success { color: var(--success); }
.log-entry.info { color: var(--text-primary); }

/* Trigger interactive bar */
.trigger-interactive-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-card);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
}

.trigger-interactive-bar label {
    font-size: 13px;
    font-weight: 500;
}

.pull-slider {
    flex: 1;
    accent-color: var(--accent-cyan);
    height: 6px;
    background: var(--bg-main);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vw;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 600px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-body p {
    font-size: 13px;
    color: var(--text-secondary);
}

.modal-body textarea {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    height: 220px;
    resize: none;
    outline: none;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}