:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-panel: rgba(17, 24, 39, 0.85);
    --bg-card: rgba(30, 41, 59, 0.6);
    --border: rgba(71, 85, 105, 0.4);
    --border-glow: rgba(0, 212, 255, 0.3);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-cyan: #00d4ff;
    --accent-orange: #ff6b35;
    --accent-red: #ef4444;
    --accent-green: #22c55e;
    --accent-yellow: #fbbf24;
    --accent-purple: #c084fc;
    --accent-pink: #f472b6;
    --mono: 'DM Mono', 'Fira Code', monospace;
    --sans: 'DM Sans', -apple-system, sans-serif;
    --serif: 'DM Serif Display', serif;
    --glow-cyan: 0 0 20px rgba(0,212,255,0.15);
    --glow-orange: 0 0 20px rgba(255,107,53,0.15);
}

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

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.sim-layout {
    display: grid;
    grid-template-rows: 52px 1fr 220px;
    grid-template-columns: 1fr 360px;
    height: 100vh;
    gap: 1px;
    background: var(--border);
}

.sim-topbar {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem;
    border-bottom: 1px solid var(--border);
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.topbar-logo {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent-cyan);
    letter-spacing: 0.08em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-logo .dot {
    width: 8px; height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent-cyan); }
    50% { opacity: 0.5; box-shadow: 0 0 12px var(--accent-cyan); }
}

.topbar-divider {
    width: 1px; height: 24px;
    background: var(--border);
}

.sim-clock {
    font-family: var(--mono);
    font-size: 1.1rem;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.sim-clock .label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-right: 0.5rem;
}

.topbar-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ctrl-btn {
    width: 34px; height: 34px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    font-size: 0.85rem;
}

.ctrl-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.ctrl-btn.active {
    background: rgba(0,212,255,0.15);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.speed-select {
    font-family: var(--mono);
    font-size: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    outline: none;
}

.speed-select:hover { border-color: var(--accent-cyan); }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-badge {
    font-family: var(--mono);
    font-size: 0.7rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.status-badge.ready { background: rgba(34,197,94,0.15); color: var(--accent-green); border: 1px solid rgba(34,197,94,0.3); }
.status-badge.running { background: rgba(0,212,255,0.15); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.3); animation: pulse-badge 1.5s ease-in-out infinite; }
.status-badge.paused { background: rgba(251,191,36,0.15); color: var(--accent-yellow); border: 1px solid rgba(251,191,36,0.3); }
.status-badge.complete { background: rgba(34,197,94,0.15); color: var(--accent-green); border: 1px solid rgba(34,197,94,0.3); }

@keyframes pulse-badge { 0%,100%{opacity:1} 50%{opacity:0.7} }

.agent-select {
    font-family: var(--mono);
    font-size: 0.7rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    padding: 0.35rem 0.6rem;
    cursor: pointer;
    outline: none;
}

.back-link {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}
.back-link:hover { color: var(--accent-cyan); }

#map-container {
    position: relative;
    background: var(--bg-primary);
    overflow: hidden;
}

#map {
    width: 100%; height: 100%;
    background: #080c14;
    z-index: 1;
}

.map-overlay {
    position: absolute;
    z-index: 10;
    pointer-events: none;
}

.map-overlay-topright {
    top: 12px; right: 12px;
    pointer-events: auto;
}

.event-banner {
    font-family: var(--mono);
    font-size: 0.72rem;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    margin-bottom: 6px;
    animation: slide-in 0.3s ease;
    display: flex; align-items: center; gap: 0.5rem;
    backdrop-filter: blur(8px);
}

.event-banner.traffic { background: rgba(251,191,36,0.2); border: 1px solid rgba(251,191,36,0.4); color: var(--accent-yellow); }
.event-banner.closure { background: rgba(239,68,68,0.2); border: 1px solid rgba(239,68,68,0.4); color: var(--accent-red); }
.event-banner.weather { background: rgba(0,212,255,0.2); border: 1px solid rgba(0,212,255,0.4); color: var(--accent-cyan); }
.event-banner.breakdown { background: rgba(239,68,68,0.2); border: 1px solid rgba(239,68,68,0.4); color: var(--accent-red); }
.event-banner.absence { background: rgba(100,116,139,0.2); border: 1px solid rgba(100,116,139,0.4); color: var(--text-muted); }

@keyframes slide-in {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.sim-sidebar {
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid var(--border);
}

.sidebar-section {
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--border);
    overflow-y: auto;
}

.sidebar-section:last-child { border-bottom: none; flex: 1; }

.section-header {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.8rem;
    display: flex; align-items: center; gap: 0.5rem;
}

.section-header::after {
    content: '';
    flex: 1; height: 1px;
    background: var(--border);
}

.decision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.9rem;
    margin-bottom: 0.6rem;
    transition: border-color 0.2s;
}

.decision-card:hover { border-color: var(--accent-cyan); }

.decision-card .label {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.decision-card .value {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-top: 0.2rem;
}

.decision-card .sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

.alternatives-list {
    margin-top: 0.5rem;
}

.alt-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    transition: background 0.15s;
}

.alt-item:hover { background: rgba(255,255,255,0.03); }
.alt-item .reward { color: var(--accent-green); }
.alt-item .reward.negative { color: var(--accent-red); }

.bus-card {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.6rem 0.7rem;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: 0.4rem;
    transition: all 0.2s;
    cursor: pointer;
}

.bus-card:hover { border-color: var(--accent-cyan); }

.bus-indicator {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.bus-card .bus-info {
    flex: 1;
    min-width: 0;
}

.bus-card .bus-name {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-primary);
}

.bus-card .bus-status {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.bus-card .bus-occupancy {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: right;
}

.occupancy-bar {
    width: 50px; height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 3px;
}

.occupancy-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s, background-color 0.3s;
}

.event-log-item {
    display: flex;
    gap: 0.6rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(71,85,105,0.2);
    font-size: 0.72rem;
    animation: fade-in 0.3s ease;
}

.event-log-item:last-child { border-bottom: none; }

.event-log-item .time {
    font-family: var(--mono);
    color: var(--text-muted);
    flex-shrink: 0;
    width: 42px;
}

.event-log-item .msg { color: var(--text-secondary); }

@keyframes fade-in { from{opacity:0;transform:translateY(-4px)} to{opacity:1;transform:translateY(0)} }

.sim-dashboard {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    overflow: hidden;
}

.dash-panel {
    flex: 1;
    padding: 0.8rem 1rem;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dash-panel:last-child { border-right: none; }

.dash-panel .panel-title {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.5rem;
}

.metrics-row {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.metric-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    min-width: 80px;
    flex: 1;
}

.metric-item .metric-label {
    font-family: var(--mono);
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.metric-item .metric-value {
    font-family: var(--mono);
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.metric-item .metric-value.good { color: var(--accent-green); }
.metric-item .metric-value.warn { color: var(--accent-yellow); }
.metric-item .metric-value.bad { color: var(--accent-red); }

.chart-container {
    flex: 1;
    min-height: 0;
    margin-top: 0.4rem;
    position: relative;
}

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

.comparison-layout .sim-layout {
    grid-template-columns: 1fr 1fr;
}

.leaflet-container {
    background: #080c14 !important;
    font-family: var(--sans) !important;
}

.leaflet-tile-pane { filter: saturate(0.3) brightness(0.35) contrast(1.2); }

.leaflet-control-zoom a {
    background: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border) !important;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5) !important;
}

.leaflet-popup-tip { background: var(--bg-secondary) !important; }

.student-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px; height: 22px;
    border-radius: 50%;
    font-size: 12px;
    border: 2px solid;
    transition: all 0.3s;
    cursor: pointer;
}

.student-marker.waiting { background: rgba(251,191,36,0.2); border-color: var(--accent-yellow); }
.student-marker.picked-up { background: rgba(34,197,94,0.2); border-color: var(--accent-green); }
.student-marker.late { background: rgba(239,68,68,0.2); border-color: var(--accent-red); animation: pulse-marker 1s ease-in-out infinite; }
.student-marker.absent { background: rgba(100,116,139,0.2); border-color: var(--text-muted); opacity: 0.5; }

@keyframes pulse-marker {
    0%,100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.bus-marker-container {
    transition: transform 0.5s linear;
}

.bus-marker-icon {
    width: 28px; height: 28px;
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    font-weight: bold;
    border: 2px solid;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: all 0.3s;
    cursor: pointer;
}

.bus-marker-icon.en-route { animation: bus-glow 2s ease-in-out infinite; }
.bus-marker-icon.loading { animation: bus-loading 0.5s ease-in-out infinite; }
.bus-marker-icon.broken { opacity: 0.4; filter: grayscale(1); }

@keyframes bus-glow {
    0%,100% { box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
    50% { box-shadow: 0 2px 16px rgba(0,212,255,0.3); }
}

@keyframes bus-loading {
    0%,100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.school-marker {
    width: 32px; height: 32px;
    background: rgba(200,75,47,0.2);
    border: 2px solid #c84b2f;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}

.timeline-bar {
    grid-column: 1 / -1;
    height: 4px;
    background: var(--border);
    position: relative;
    cursor: pointer;
}

.timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-orange));
    border-radius: 2px;
    transition: width 0.1s linear;
}

.timeline-events {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
}

.timeline-event-mark {
    position: absolute;
    top: -3px;
    width: 3px; height: 10px;
    border-radius: 1px;
    transform: translateX(-50%);
}

.comparison-bar {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.comparison-bar select {
    font-family: var(--mono);
    font-size: 0.7rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    padding: 0.3rem 0.6rem;
    outline: none;
}

.comparison-vs {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.tooltip-custom {
    background: var(--bg-panel) !important;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    padding: 0.6rem 0.8rem !important;
    font-family: var(--mono) !important;
    font-size: 0.72rem !important;
    color: var(--text-primary) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
}

@media (max-width: 1024px) {
    .sim-layout {
        grid-template-columns: 1fr;
        grid-template-rows: 52px 1fr 300px 220px;
    }
    .sim-sidebar { border-left: none; border-top: 1px solid var(--border); }
}