/* ==========================================================================
   RoadShield Control Room — Professional Dark-Mode Operations Dashboard
   ==========================================================================
   Designed for monitoring centers, security operations, and traffic management.
   Optimized for large displays, minimal distraction, and maximum focus.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
    /* Core palette */
    --cr-bg-primary: #0a0e17;
    --cr-bg-secondary: #111827;
    --cr-bg-card: #1a2232;
    --cr-bg-card-hover: #1e2a3d;
    --cr-bg-elevated: #243044;
    --cr-bg-overlay: rgba(10, 14, 23, 0.85);

    /* Borders */
    --cr-border: rgba(255, 255, 255, 0.06);
    --cr-border-accent: rgba(59, 130, 246, 0.3);
    --cr-border-hover: rgba(255, 255, 255, 0.12);

    /* Text */
    --cr-text-primary: #f1f5f9;
    --cr-text-secondary: #94a3b8;
    --cr-text-muted: #64748b;
    --cr-text-inverse: #0f172a;

    /* Accent colors */
    --cr-accent: #3b82f6;
    --cr-accent-light: #60a5fa;
    --cr-accent-glow: rgba(59, 130, 246, 0.15);

    /* Status colors */
    --cr-success: #22c55e;
    --cr-success-glow: rgba(34, 197, 94, 0.2);
    --cr-danger: #ef4444;
    --cr-danger-glow: rgba(239, 68, 68, 0.2);
    --cr-warning: #f59e0b;
    --cr-warning-glow: rgba(245, 158, 11, 0.2);
    --cr-info: #06b6d4;

    /* Spacing */
    --cr-gap: 16px;
    --cr-gap-sm: 8px;
    --cr-gap-lg: 24px;
    --cr-radius: 12px;
    --cr-radius-sm: 8px;
    --cr-radius-lg: 16px;

    /* Shadows */
    --cr-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --cr-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --cr-shadow-glow: 0 0 20px rgba(59, 130, 246, 0.1);

    /* Transitions */
    --cr-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --cr-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --cr-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --cr-font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}


/* ---------- Reset & Base ---------- */
.cr-layout {
    font-family: var(--cr-font);
    background: var(--cr-bg-primary);
    color: var(--cr-text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.cr-layout *,
.cr-layout *::before,
.cr-layout *::after {
    box-sizing: border-box;
}


/* ---------- Top Bar ---------- */
.cr-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--cr-gap-lg);
    height: 56px;
    background: var(--cr-bg-secondary);
    border-bottom: 1px solid var(--cr-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.cr-topbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.cr-topbar-brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--cr-accent), #6366f1);
    border-radius: var(--cr-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    box-shadow: 0 0 16px rgba(59, 130, 246, 0.3);
}

.cr-topbar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--cr-text-primary);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.cr-topbar-subtitle {
    font-size: 11px;
    color: var(--cr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.cr-topbar-center {
    display: flex;
    align-items: center;
    gap: var(--cr-gap-lg);
}

.cr-topbar-status {
    display: flex;
    align-items: center;
    gap: var(--cr-gap);
}

.cr-status-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--cr-bg-card);
    border: 1px solid var(--cr-border);
    transition: var(--cr-transition);
}

.cr-status-chip--online {
    background: var(--cr-success-glow);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--cr-success);
}

.cr-status-chip--error {
    background: var(--cr-danger-glow);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--cr-danger);
}

.cr-topbar-right {
    display: flex;
    align-items: center;
    gap: var(--cr-gap);
}

.cr-topbar-clock {
    font-family: var(--cr-font-mono);
    font-size: 13px;
    color: var(--cr-text-secondary);
    letter-spacing: 0.04em;
}

.cr-topbar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--cr-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--cr-text-secondary);
    text-decoration: none;
    transition: var(--cr-transition);
    border: 1px solid transparent;
}

.cr-topbar-link:hover {
    color: var(--cr-text-primary);
    background: var(--cr-bg-card);
    border-color: var(--cr-border);
}


/* ---------- Main Content ---------- */
.cr-main {
    padding: var(--cr-gap-lg);
    max-width: 1920px;
    margin: 0 auto;
}

.cr-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--cr-gap);
}

.cr-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--cr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cr-section-title::before {
    content: '';
    width: 3px;
    height: 14px;
    background: var(--cr-accent);
    border-radius: 2px;
}


/* ---------- Camera Grid ---------- */
.cr-camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: var(--cr-gap);
    margin-bottom: var(--cr-gap-lg);
}

@media (max-width: 1024px) {
    .cr-camera-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1600px) {
    .cr-camera-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 2200px) {
    .cr-camera-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ---------- Camera Card ---------- */
.cr-camera-card {
    background: var(--cr-bg-card);
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius);
    overflow: hidden;
    transition: var(--cr-transition);
    position: relative;
}

.cr-camera-card:hover {
    border-color: var(--cr-border-hover);
    box-shadow: var(--cr-shadow);
    transform: translateY(-1px);
}

.cr-camera-card--fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    border-radius: 0;
    border: none;
    background: #000;
}

.cr-camera-card--fullscreen .cr-camera-viewport {
    height: calc(100vh - 56px);
}

.cr-camera-card--offline {
    opacity: 0.6;
}

.cr-camera-card--offline:hover {
    opacity: 0.8;
}

/* Camera header */
.cr-camera-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--cr-bg-secondary);
    border-bottom: 1px solid var(--cr-border);
}

.cr-camera-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cr-camera-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--cr-text-primary);
}

.cr-camera-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Status indicator */
.cr-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cr-text-muted);
    position: relative;
}

.cr-status-dot--online {
    background: var(--cr-success);
    box-shadow: 0 0 6px var(--cr-success);
}

.cr-status-dot--online::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1.5px solid var(--cr-success);
    animation: cr-pulse 2s infinite;
}

.cr-status-dot--error {
    background: var(--cr-danger);
    box-shadow: 0 0 6px var(--cr-danger);
}

.cr-status-dot--paused {
    background: var(--cr-warning);
    box-shadow: 0 0 6px var(--cr-warning);
}

@keyframes cr-pulse {
    0% { opacity: 1; transform: scale(1); }
    70% { opacity: 0; transform: scale(1.8); }
    100% { opacity: 0; transform: scale(1.8); }
}

.cr-status-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.cr-status-label--online { color: var(--cr-success); }
.cr-status-label--offline { color: var(--cr-text-muted); }
.cr-status-label--error { color: var(--cr-danger); }
.cr-status-label--paused { color: var(--cr-warning); }
.cr-status-label--connecting { color: var(--cr-info); }


/* Camera viewport (video area) */
.cr-camera-viewport {
    position: relative;
    background: #000;
    height: 320px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cr-camera-stream {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.cr-camera-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--cr-text-muted);
}

.cr-camera-placeholder i {
    font-size: 48px;
    opacity: 0.3;
}

.cr-camera-placeholder span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Overlay badges */
.cr-camera-overlay {
    position: absolute;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--cr-font-mono);
    background: var(--cr-bg-overlay);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--cr-text-secondary);
    pointer-events: none;
    transition: opacity var(--cr-transition);
}

.cr-camera-overlay--tl { top: 8px; left: 8px; }
.cr-camera-overlay--tr { top: 8px; right: 8px; }
.cr-camera-overlay--bl { bottom: 8px; left: 8px; }
.cr-camera-overlay--br { bottom: 8px; right: 8px; }

/* Toolbar at bottom of camera card */
.cr-camera-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--cr-bg-secondary);
    border-top: 1px solid var(--cr-border);
}

.cr-camera-toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}


/* ---------- Icon Buttons ---------- */
.cr-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius-sm);
    background: transparent;
    color: var(--cr-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--cr-transition);
}

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

.cr-icon-btn--active {
    color: var(--cr-accent);
    background: var(--cr-accent-glow);
    border-color: var(--cr-border-accent);
}

.cr-icon-btn--danger:hover {
    color: var(--cr-danger);
    background: var(--cr-danger-glow);
    border-color: rgba(239, 68, 68, 0.3);
}


/* ---------- Stats Bar ---------- */
.cr-stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--cr-gap);
    margin-bottom: var(--cr-gap-lg);
}

.cr-stat-card {
    background: var(--cr-bg-card);
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius);
    padding: 16px 20px;
    transition: var(--cr-transition);
}

.cr-stat-card:hover {
    border-color: var(--cr-border-hover);
    box-shadow: var(--cr-shadow-glow);
}

.cr-stat-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--cr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.cr-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--cr-text-primary);
    font-family: var(--cr-font-mono);
    line-height: 1.2;
}

.cr-stat-unit {
    font-size: 12px;
    font-weight: 400;
    color: var(--cr-text-muted);
    margin-left: 4px;
}

.cr-stat-sub {
    font-size: 11px;
    color: var(--cr-text-muted);
    margin-top: 4px;
}


/* ---------- Control Panel (slide-out) ---------- */
.cr-control-panel {
    position: fixed;
    top: 56px;
    right: -400px;
    width: 380px;
    height: calc(100vh - 56px);
    background: var(--cr-bg-secondary);
    border-left: 1px solid var(--cr-border);
    z-index: 200;
    overflow-y: auto;
    transition: right var(--cr-transition-slow);
    box-shadow: var(--cr-shadow-lg);
}

.cr-control-panel--open {
    right: 0;
}

.cr-control-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--cr-border);
    position: sticky;
    top: 0;
    background: var(--cr-bg-secondary);
    z-index: 1;
}

.cr-control-panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--cr-text-primary);
}

.cr-control-panel-body {
    padding: 20px;
}

.cr-control-group {
    margin-bottom: 20px;
}

.cr-control-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 500;
    color: var(--cr-text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cr-control-value {
    font-family: var(--cr-font-mono);
    font-size: 12px;
    color: var(--cr-accent-light);
    background: var(--cr-accent-glow);
    padding: 2px 8px;
    border-radius: 4px;
}


/* ---------- Range Slider ---------- */
.cr-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--cr-bg-elevated);
    outline: none;
    transition: var(--cr-transition);
}

.cr-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--cr-accent);
    cursor: pointer;
    border: 2px solid var(--cr-bg-primary);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
    transition: var(--cr-transition);
}

.cr-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 14px rgba(59, 130, 246, 0.6);
}

.cr-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--cr-accent);
    cursor: pointer;
    border: 2px solid var(--cr-bg-primary);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
}


/* ---------- Select Dropdown ---------- */
.cr-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--cr-bg-elevated);
    color: var(--cr-text-primary);
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius-sm);
    font-size: 13px;
    font-family: var(--cr-font);
    outline: none;
    cursor: pointer;
    transition: var(--cr-transition);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.cr-select:hover {
    border-color: var(--cr-border-hover);
}

.cr-select:focus {
    border-color: var(--cr-accent);
    box-shadow: 0 0 0 2px var(--cr-accent-glow);
}

.cr-select option {
    background: var(--cr-bg-card);
    color: var(--cr-text-primary);
}


/* ---------- Toggle Switch ---------- */
.cr-toggle {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}

.cr-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cr-toggle-track {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--cr-bg-elevated);
    border-radius: 11px;
    border: 1px solid var(--cr-border);
    transition: var(--cr-transition);
}

.cr-toggle-track::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 2px;
    bottom: 2px;
    background: var(--cr-text-muted);
    border-radius: 50%;
    transition: var(--cr-transition);
}

.cr-toggle input:checked + .cr-toggle-track {
    background: var(--cr-accent-glow);
    border-color: var(--cr-accent);
}

.cr-toggle input:checked + .cr-toggle-track::before {
    transform: translateX(18px);
    background: var(--cr-accent);
}


/* ---------- Action Buttons ---------- */
.cr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius-sm);
    background: var(--cr-bg-card);
    color: var(--cr-text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--cr-font);
    cursor: pointer;
    transition: var(--cr-transition);
}

.cr-btn:hover {
    color: var(--cr-text-primary);
    background: var(--cr-bg-elevated);
    border-color: var(--cr-border-hover);
}

.cr-btn--primary {
    background: var(--cr-accent);
    border-color: var(--cr-accent);
    color: #fff;
}

.cr-btn--primary:hover {
    background: var(--cr-accent-light);
    border-color: var(--cr-accent-light);
    color: #fff;
    box-shadow: 0 0 16px rgba(59, 130, 246, 0.3);
}

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

.cr-btn--danger:hover {
    background: var(--cr-danger-glow);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--cr-danger);
}

.cr-btn--sm {
    padding: 5px 10px;
    font-size: 12px;
}

.cr-btn--block {
    width: 100%;
}

.cr-btn-group {
    display: flex;
    gap: 8px;
}

.cr-btn-group--fill .cr-btn {
    flex: 1;
}


/* ---------- Future Section Placeholders ---------- */
.cr-future-section {
    background: var(--cr-bg-card);
    border: 1px dashed var(--cr-border);
    border-radius: var(--cr-radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--cr-text-muted);
    min-height: 120px;
    opacity: 0.5;
    transition: var(--cr-transition);
}

.cr-future-section:hover {
    opacity: 0.7;
    border-color: var(--cr-border-hover);
}

.cr-future-section i {
    font-size: 28px;
}

.cr-future-section span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cr-future-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--cr-bg-elevated);
    color: var(--cr-text-muted);
    border: 1px solid var(--cr-border);
}


/* ---------- Future Grid ---------- */
.cr-future-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--cr-gap);
    margin-top: var(--cr-gap);
}


/* ---------- Log Console ---------- */
.cr-log-console {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--cr-border);
    border-radius: var(--cr-radius-sm);
    padding: 10px 14px;
    height: 100px;
    overflow-y: auto;
    font-family: var(--cr-font-mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--cr-success);
}

.cr-log-console::-webkit-scrollbar {
    width: 4px;
}

.cr-log-console::-webkit-scrollbar-track {
    background: transparent;
}

.cr-log-console::-webkit-scrollbar-thumb {
    background: var(--cr-border);
    border-radius: 2px;
}

.cr-log-entry--error {
    color: var(--cr-danger);
}

.cr-log-entry--warn {
    color: var(--cr-warning);
}

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


/* ---------- Animations ---------- */
@keyframes cr-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.cr-camera-card {
    animation: cr-fade-in 0.4s ease-out both;
}

.cr-camera-card:nth-child(2) { animation-delay: 0.05s; }
.cr-camera-card:nth-child(3) { animation-delay: 0.1s; }
.cr-camera-card:nth-child(4) { animation-delay: 0.15s; }
.cr-camera-card:nth-child(5) { animation-delay: 0.2s; }
.cr-camera-card:nth-child(6) { animation-delay: 0.25s; }

@keyframes cr-shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.cr-loading {
    background: linear-gradient(
        90deg,
        var(--cr-bg-card) 25%,
        var(--cr-bg-elevated) 50%,
        var(--cr-bg-card) 75%
    );
    background-size: 200% 100%;
    animation: cr-shimmer 1.5s infinite;
}


/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .cr-topbar {
        padding: 0 var(--cr-gap);
    }

    .cr-topbar-center {
        display: none;
    }

    .cr-main {
        padding: var(--cr-gap);
    }

    .cr-camera-viewport {
        height: 240px;
    }

    .cr-control-panel {
        width: 100%;
        right: -100%;
    }

    .cr-stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}