/* Root styling parameters and HSL Color Tokens */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: rgba(18, 26, 44, 0.6);
    --bg-panel: rgba(26, 37, 63, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Vibrant Neon Colors */
    --accent-indigo: hsl(243, 75%, 59%);
    --accent-indigo-glow: hsla(243, 75%, 59%, 0.35);
    --accent-emerald: hsl(142, 70%, 45%);
    --accent-emerald-glow: hsla(142, 70%, 45%, 0.3);
    --accent-crimson: hsl(350, 80%, 55%);
    --accent-crimson-glow: hsla(350, 80%, 55%, 0.35);
    --accent-amber: hsl(45, 93%, 47%);
    --accent-teal: hsl(172, 66%, 50%);
    
    /* Font Families */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Dimensions */
    --sidebar-width: 280px;
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
    --glass-blur: 16px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

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

/* App Container Layout */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    background-image: 
        radial-gradient(circle at 10% 20%, hsla(243, 75%, 15%, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, hsla(172, 66%, 12%, 0.25) 0%, transparent 40%);
}

/* Sidebar Navigation Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    backdrop-filter: blur(var(--glass-blur));
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.brand-icon {
    font-size: 28px;
    color: var(--accent-indigo);
    filter: drop-shadow(0 0 8px var(--accent-indigo-glow));
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.brand-text span {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 18px;
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    transition: var(--transition-smooth);
}

.nav-item i {
    font-size: 18px;
    width: 20px;
    text-align: center;
    transition: var(--transition-smooth);
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: var(--text-primary);
    background-color: rgba(79, 70, 229, 0.15);
    border: 1px solid rgba(79, 70, 229, 0.25);
    box-shadow: 0 4px 12px var(--accent-indigo-glow);
}

.nav-item.active i {
    color: var(--accent-indigo);
}

.system-status {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 16px;
}

.status-header {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 8px;
}

.status-row:last-child {
    margin-bottom: 0;
}

.status-row .label {
    color: var(--text-secondary);
}

.status-row .value {
    font-weight: 600;
}

.hardware-badge {
    color: var(--accent-teal);
    background-color: rgba(20, 184, 166, 0.1);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 11px;
}

.status-dot-container {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-emerald);
}

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

/* Animations */
@keyframes pulse {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.pulsing {
    animation: pulse 2s infinite;
}

/* Main Content Layout */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 30px;
    overflow-y: auto;
    height: 100vh;
}

/* App Header Styling */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.header-title h2 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.quick-stats {
    display: flex;
    gap: 15px;
}

.quick-stat-box {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    min-width: 130px;
    backdrop-filter: blur(var(--glass-blur));
}

.stat-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.violation-alert {
    color: var(--accent-crimson);
    text-shadow: 0 0 10px var(--accent-crimson-glow);
}

/* Tab Management */
.tab-container {
    flex-grow: 1;
    position: relative;
}

.tab-content {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    animation: fadeIn 0.4s ease-out forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* General Panels style */
.panel {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.01);
}

.panel-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title i {
    color: var(--accent-indigo);
}

/* TAB 1: LIVE SURVEILLANCE GRID */
.live-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
    height: calc(100vh - 180px);
}

.video-panel {
    display: flex;
    flex-direction: column;
}

.feed-modes {
    display: flex;
    gap: 8px;
}

.mode-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    letter-spacing: 1px;
}

#mode-badge-cv {
    background-color: rgba(79, 70, 229, 0.15);
    color: var(--accent-indigo);
    border: 1px solid rgba(79, 70, 229, 0.3);
}

.canvas-container {
    position: relative;
    flex-grow: 1;
    background-color: #05070a;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.canvas-container canvas {
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 1/1;
    display: block;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 7, 10, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.upload-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(1.05);
}

.dropzone-inner {
    text-align: center;
    padding: 40px;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    background-color: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: var(--transition-smooth);
    max-width: 400px;
    margin: 20px;
}

.dropzone-inner:hover {
    border-color: var(--accent-indigo);
    background-color: rgba(79, 70, 229, 0.04);
}

.drop-icon {
    font-size: 48px;
    color: var(--accent-indigo);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 10px var(--accent-indigo-glow));
}

.dropzone-inner h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
}

.dropzone-inner p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.video-controls {
    padding: 16px 20px;
    display: flex;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.005);
}

/* Button UI */
.btn {
    border: none;
    outline: none;
    cursor: pointer;
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--accent-indigo);
    color: var(--text-primary);
    box-shadow: 0 4px 14px var(--accent-indigo-glow);
}

.btn-primary:hover:not(:disabled) {
    background-color: hsl(243, 75%, 65%);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-danger {
    background-color: var(--accent-crimson);
    color: var(--text-primary);
    box-shadow: 0 4px 14px var(--accent-crimson-glow);
}

.btn-danger:hover:not(:disabled) {
    background-color: hsl(350, 80%, 62%);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 11px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Parameters Panel */
.controls-panel .panel-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-grow: 1;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-label {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.control-value {
    font-family: var(--font-mono);
    color: var(--accent-teal);
    font-weight: 600;
}

.control-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    outline: none;
    transition: var(--transition-smooth);
}

.control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--accent-indigo);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-indigo-glow);
    transition: var(--transition-smooth);
}

.control-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.panel-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 10px 0;
}

/* Logging System styling */
.live-activity-log {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    background-color: rgba(5, 7, 10, 0.5);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.log-header {
    padding: 10px 14px;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 9px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.log-status {
    color: var(--accent-teal);
    display: flex;
    align-items: center;
    gap: 4px;
}

.log-status::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--accent-teal);
    box-shadow: 0 0 5px var(--accent-teal);
}

.log-entries {
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 250px;
}

.log-entry {
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-all;
    animation: slideInLog 0.2s ease-out forwards;
}

@keyframes slideInLog {
    from { opacity: 0; transform: translateX(-4px); }
    to { opacity: 1; transform: translateX(0); }
}

.log-entry.system-msg {
    color: var(--text-muted);
}

.log-entry.violation-msg {
    color: var(--accent-crimson);
    background-color: rgba(239, 68, 68, 0.08);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--accent-crimson);
}

.log-entry.detect-msg {
    color: var(--accent-teal);
}

/* TAB 2: CALIBRATION LAYOUT */
.calibration-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    height: calc(100vh - 180px);
}

.calibration-editor-container {
    position: relative;
    flex-grow: 1;
    background-color: #05070a;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.calibration-editor-container canvas {
    max-width: 100%;
    max-height: calc(100% - 40px);
    aspect-ratio: 1/1;
    display: block;
    cursor: crosshair;
}

.calibration-tip {
    padding: 10px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.calibration-tip i {
    color: var(--accent-amber);
}

.math-panel {
    overflow-y: auto;
}

.math-container {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.math-container h3 {
    font-family: var(--font-heading);
    font-size: 15px;
    color: var(--text-primary);
    border-left: 3px solid var(--accent-indigo);
    padding-left: 10px;
    margin-top: 8px;
}

.math-container p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Math Rendering Boxes */
.equation-box {
    background-color: rgba(5, 7, 10, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 16px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-heading);
}

.equation-box.large {
    flex-direction: column;
    gap: 8px;
    padding: 20px;
}

.matrix-table {
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 13px;
}

.matrix-table td {
    vertical-align: middle;
    text-align: center;
}

.matrix-bracket {
    width: 8px;
    height: 54px;
    border-top: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
    display: inline-block;
}

.matrix-bracket.left {
    border-left: 2px solid var(--text-primary);
    margin-right: 4px;
}

.matrix-bracket.right {
    border-right: 2px solid var(--text-primary);
    margin-left: 4px;
}

.matrix-content {
    border-collapse: collapse;
    display: inline-table;
}

.matrix-content td {
    padding: 2px 6px;
    height: 18px;
}

.matrix-output {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-teal);
    line-height: 1.6;
}

.fraction-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fraction-numerator {
    font-weight: 500;
    font-size: 13px;
    padding-bottom: 4px;
}

.fraction-bar {
    width: 100%;
    height: 1px;
    background-color: var(--text-primary);
}

.fraction-denominator {
    font-weight: 500;
    font-size: 13px;
    padding-top: 4px;
}

.eq-details {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.calibration-telemetry {
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.01);
    border-radius: var(--border-radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cal-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

.cal-stat-row .code-font {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.cal-stat-row .value-highlight {
    font-family: var(--font-mono);
    color: var(--accent-teal);
    font-weight: 600;
}

/* TAB 3: ANALYTICS & DATABASE */
.analytics-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    height: calc(100vh - 180px);
    overflow-y: auto;
    padding-bottom: 20px;
}

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    height: 300px;
}

.chart-panel {
    flex-grow: 1;
}

.chart-container {
    padding: 16px;
    flex-grow: 1;
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart-container canvas {
    max-width: 100% !important;
    max-height: 100% !important;
}

.database-panel {
    flex-grow: 1;
    min-height: 250px;
}

.table-container {
    overflow-y: auto;
    flex-grow: 1;
}

.db-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    text-align: left;
}

.db-table th {
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 16px;
    font-family: var(--font-heading);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.db-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.db-table tbody tr {
    transition: var(--transition-smooth);
}

.db-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.db-table tbody tr.violating-row {
    background-color: rgba(239, 68, 68, 0.03);
}

.db-table tbody tr.violating-row:hover {
    background-color: rgba(239, 68, 68, 0.05);
}

.empty-row-msg {
    text-align: center;
    color: var(--text-muted);
}

.empty-row-msg td {
    padding: 40px;
}

/* Badges */
.badge {
    font-size: 9px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    letter-spacing: 0.5px;
}

.badge-speeding {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--accent-crimson);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-compliant {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-class {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}