/* static/style.css */
/* Modern Glassmorphic and Cyberpunk/Clean Styling for Traffic Light Simulator */

/* ── VARIABLE DEFINITIONS (DARK MODE BY DEFAULT) ──────────────── */
:root {
    --bg-app: #080c14;
    --bg-sky: url('/static/night_sky.png');
    --bg-panel: rgba(13, 20, 35, 0.6);
    --border-panel: rgba(255, 255, 255, 0.08);
    --bg-card: rgba(20, 30, 55, 0.5);
    --border-card: rgba(255, 255, 255, 0.05);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #10b981; /* Neon green */
    --primary-glow: rgba(16, 185, 129, 0.4);
    --accent: #3b82f6; /* Cyber blue */
    --accent-glow: rgba(59, 130, 246, 0.4);
    --amber: #f59e0b; /* Amber warning */
    --amber-glow: rgba(245, 158, 11, 0.4);
    --danger: #ef4444; /* Stop red */
    --danger-glow: rgba(239, 68, 68, 0.4);
    
    --shadow-neon: 0 0 15px var(--primary-glow);
    --shadow-panel: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── LIGHT MODE VARIABLES (DAY MODE) ──────────────── */
body.light-mode {
    --bg-app: #f1f5f9;
    --bg-sky: url('/static/day_sky.png');
    --bg-panel: rgba(255, 255, 255, 0.75);
    --border-panel: rgba(15, 23, 42, 0.08);
    --bg-card: rgba(248, 250, 252, 0.8);
    --border-card: rgba(15, 23, 42, 0.05);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #059669; /* Richer green for visibility */
    --primary-glow: rgba(5, 150, 105, 0.25);
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.25);
    --amber: #d97706;
    --amber-glow: rgba(217, 119, 6, 0.25);
    --danger: #dc2626;
    --danger-glow: rgba(220, 38, 38, 0.25);
    
    --shadow-neon: 0 4px 12px var(--primary-glow);
    --shadow-panel: 0 10px 30px rgba(15, 23, 42, 0.08);
}

/* ── BASE STYLES ────────────────────────────────────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-image: var(--bg-sky);
    background-color: var(--bg-app);
    background-repeat: no-repeat;
    background-size: 100% 450px;
    background-position: top center;
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    transition: background-image 0.5s ease-in-out, background-color 0.5s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* ── SCROLLBARS ─────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-panel);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── GLASS PANEL CONTAINER STYLES ───────────────────────────── */
.panel-glass {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-panel);
    border-radius: 18px;
    box-shadow: var(--shadow-panel);
    transition: var(--transition);
}

.panel-glass:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

/* ── HEADER STYLING ─────────────────────────────────────────── */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-panel);
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-panel);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logo i {
    font-size: 2rem;
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

.header-logo h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.header-logo p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--border-panel);
    transform: translateY(-2px);
}

/* ── DASHBOARD LAYOUT GRID ──────────────────────────────────── */
.app-container {
    display: grid;
    grid-template-columns: 350px 1fr 450px;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1400px) {
    .app-container {
        grid-template-columns: 320px 1fr;
    }
    .results-panel {
        grid-column: 1 / -1;
    }
}

@media (max-width: 992px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    .control-panel, .simulation-panel, .results-panel {
        grid-column: 1 / -1;
    }
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-panel);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── LEFT PANEL: CONTROLLER CARDS ───────────────────────────── */
.control-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-bottom: 20px;
}

.card-section {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-panel);
}

.card-section:last-child {
    border-bottom: none;
}

.card-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Toggle mode interactive/historical */
.mode-selector {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 15px;
    border: 1px solid var(--border-card);
}

.mode-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 0;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.mode-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Sub controls hide/show */
.sub-controls {
    display: none;
}

.sub-controls.active {
    display: block;
}

/* Direction input sliders */
.direction-input {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.direction-input label {
    flex: 0 0 65px;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

.badge.north { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge.south { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge.east { background: rgba(236, 72, 153, 0.15); color: #f472b6; border: 1px solid rgba(236, 72, 15 pink, 0.3); }
.badge.west { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }

.slider-veh {
    flex: 1;
    -webkit-appearance: none;
    background: rgba(0, 0, 0, 0.3);
    height: 6px;
    border-radius: 5px;
    outline: none;
}

.slider-veh::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: var(--transition);
}

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

.value-display {
    flex: 0 0 35px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    text-align: right;
    font-weight: 600;
}

/* Accordion algorithm params */
.accordion-params {
    margin-bottom: 20px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    border: 1px solid var(--border-card);
    overflow: hidden;
}

.param-card {
    display: none;
    padding: 15px;
    transition: var(--transition);
}

.param-card.active {
    display: block;
}

.param-card h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-card);
    padding-bottom: 6px;
}

/* Forms styling */
.form-group {
    margin-bottom: 12px;
}

.form-group.half {
    flex: 1;
}

.form-row {
    display: flex;
    gap: 10px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.25);
}

/* Select custom arrow */
select.form-control {
    cursor: pointer;
}

/* Glassmorphism styling for dynamic select */
.glass-select {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.glass-select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.glass-select:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.glass-select option {
    background: var(--bg-card); /* Keep readable contrast in dropdown list */
    color: var(--text-primary);
}

/* Buttons style */
.btn {
    border: none;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-full {
    width: 100%;
}

.btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

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

.btn-secondary:hover {
    background: var(--border-panel);
}

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

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--accent-glow);
}

.info-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 10px;
}

/* ── CENTER PANEL: ANIMATION & DASHBOARD ────────────────────── */
.simulation-panel {
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
    align-items: center;
}

.simulation-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 20px;
}

.simulation-speed {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.simulation-speed input {
    width: 80px;
    height: 4px;
}

/* Canvas wrapping */
.canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: #0d111a;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--border-panel);
    margin: 20px 0;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.6);
}

#intersectionCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Simulation Overlay Details */
.sim-overlay {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    background: rgba(13, 20, 35, 0.85);
    border-radius: 10px;
    font-size: 0.8rem;
}

.overlay-item {
    display: flex;
    gap: 6px;
}

.overlay-item .label {
    color: var(--text-secondary);
}

.overlay-item .val {
    font-weight: 700;
}

/* Live green time dashboard boxes */
.dashboard-durations {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    width: 100%;
    padding: 0 20px;
}

.dur-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dur-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.dur-card.north::before { background: #3b82f6; }
.dur-card.south::before { background: #c084fc; }
.dur-card.east::before { background: #f472b6; }
.dur-card.west::before { background: #fbbf24; }

.dur-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.dur-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.15rem;
    font-weight: 700;
    margin: 4px 0 2px 0;
}

.dur-queue {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.dur-light-status {
    display: flex;
    justify-content: center;
    margin-top: 4px;
}

.dur-light-status .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: var(--transition);
}

.dur-light-status.green .dot { background: var(--primary); box-shadow: 0 0 10px var(--primary); }
.dur-light-status.amber .dot { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.dur-light-status.red .dot { background: var(--danger); box-shadow: 0 0 10px var(--danger); }

/* ── RIGHT PANEL: RESULTS & GRAPHS ──────────────────────────── */
.results-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-bottom: 20px;
}

/* Winner alert banner */
.winner-alert {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 12px;
    padding: 15px 20px;
    margin: 0 20px;
}

.winner-alert.hidden-card {
    display: none;
}

.winner-icon i {
    font-size: 2rem;
}

.winner-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--amber);
}

.winner-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 2px 0 6px 0;
}

.winner-name {
    display: inline-block;
    padding: 3px 10px;
    background: var(--amber);
    color: #000000;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 6px;
    text-transform: uppercase;
}

/* Quick statistics */
.quick-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 0 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 12px 15px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.stat-card i {
    position: absolute;
    top: 12px;
    right: 15px;
    font-size: 1.1rem;
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.stat-card .value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
}

.stat-card .sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.text-success { color: var(--primary) !important; }
.text-info { color: var(--accent) !important; }
.text-amber { color: var(--amber) !important; }
.text-danger { color: var(--danger) !important; }

/* Dynamic glow effect */
.glow-icon {
    filter: drop-shadow(0 0 5px var(--amber));
}

/* Chart tabs container */
.tab-container {
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tab-headers {
    display: flex;
    border-bottom: 1px solid var(--border-panel);
    gap: 10px;
    margin-bottom: 15px;
}

.tab-header {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 10px 10px 10px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-header:hover {
    color: var(--text-primary);
}

.tab-header.active {
    color: var(--accent);
}

.tab-header.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.tab-content {
    display: none;
    flex-direction: column;
    flex: 1;
}

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

.chart-container {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 15px;
    position: relative;
    width: 100%;
    min-height: 230px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.chart-caption {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 10px;
    display: flex;
    gap: 6px;
    align-items: flex-start;
}

.chart-caption i {
    margin-top: 2px;
    color: var(--accent);
}

/* ── BOTTOM ROW: COMPARATIVE TABLE ──────────────────────────── */
.comparison-panel {
    grid-column: 1 / -1;
    margin-top: 20px;
    padding-bottom: 25px;
}

.table-wrapper {
    overflow-x: auto;
    padding: 0 20px;
    margin-top: 15px;
}

.table-styled {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.table-styled th {
    background: rgba(0, 0, 0, 0.25);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 15px;
    border-bottom: 2px solid var(--border-panel);
}

.table-styled td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-card);
    color: var(--text-primary);
    transition: var(--transition);
}

.table-styled tbody tr:hover td {
    background: var(--bg-card);
}

.table-styled tbody tr:last-child td {
    border-bottom: none;
}

.table-styled .sol-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.table-styled .fit-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.table-styled .time-cell, .table-styled .iter-cell {
    font-family: 'JetBrains Mono', monospace;
}

.badge.red { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge.orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge.green { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }

/* ── FOOTER STYLING ─────────────────────────────────────────── */
.app-footer {
    grid-column: 1 / -1;
    padding: 20px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.text-center {
    text-align: center;
}

/* ── ANIMATION KEYFRAMES ─────────────────────────────────────── */
@keyframes pulse {
    0% { opacity: 0.8; }
    50% { opacity: 1; transform: scale(1.02); }
    100% { opacity: 0.8; }
}

.pulse-text {
    animation: pulse 2s infinite ease-in-out;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.icon-glow {
    animation: pulse 3s infinite ease-in-out;
}

/* =========================================
   COUNTDOWN STYLE
========================================= */

#simCountdown {

    color: #ffcc00;

    font-weight: 900;

    font-size: 20px;

    text-shadow:
        0 0 8px #ffcc00,
        0 0 15px #ffcc00,
        0 0 25px #ffcc00;

    animation: pulseCountdown 1s infinite;
}

@keyframes pulseCountdown {

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

    50% {
        transform: scale(1.15);
        opacity: 0.85;
    }

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