/* Basic, utilitarian stylesheet for Boid Boulevard City Simulation */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    background-color: #f3f4f6;
    color: #111827;
    padding: 10px;
}

header {
    background: #ffffff;
    border: 1px solid #9ca3af;
    padding: 8px 12px;
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.header-title h1 {
    font-size: 17px;
    margin-bottom: 2px;
}

.app-version {
    display: inline-block;
    vertical-align: middle;
    margin-left: 6px;
    padding: 1px 6px;
    font-family: monospace;
    font-size: 11px;
    font-weight: normal;
    color: #4b5563;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 3px;
}

.header-title p {
    font-size: 11px;
    color: #4b5563;
}

.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    background: #f9fafb;
    border: 1px solid #d1d5db;
    padding: 5px 10px;
    font-family: monospace;
    font-size: 12px;
}

.controls-bar {
    background: #ffffff;
    border: 1px solid #9ca3af;
    padding: 8px 12px;
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.btn-group, .view-tabs, .options-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

button, select, input[type="number"], input[type="text"] {
    font-size: 12px;
    padding: 4px 9px;
    border: 1px solid #6b7280;
    background: #e5e7eb;
    color: #111827;
    cursor: pointer;
}

button:hover {
    background: #d1d5db;
}

button.danger-btn {
    background: #fee2e2;
    border-color: #dc2626;
    color: #991b1b;
    font-weight: bold;
}

button.danger-btn:hover {
    background: #fecaca;
}

.tab-btn.active {
    background: #1f2937;
    color: #ffffff;
    border-color: #111827;
}

input[type="number"] {
    width: 58px;
    background: #ffffff;
    cursor: text;
}

input[type="text"] {
    width: 86px;
    background: #ffffff;
    font-family: monospace;
    cursor: text;
}

label {
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.screen-section {
    background: #ffffff;
    border: 1px solid #9ca3af;
    padding: 10px;
    margin-bottom: 10px;
}

.screen-section h2 {
    font-size: 14px;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid #e5e7eb;
}

.hidden {
    display: none !important;
}

.canvas-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#sim-canvas {
    max-width: 100%;
    height: auto;
    cursor: pointer;
}

.legend-bar {
    margin-top: 6px;
    font-size: 11px;
    color: #374151;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 4px;
    vertical-align: middle;
    border: 1px solid #111;
}

.debug-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-start;
}

.nn-panel {
    flex: 0 0 auto;
}

.nn-panel h3 {
    font-size: 12px;
    margin-bottom: 4px;
}

#nn-canvas {
    border: 1px solid #374151;
    display: block;
}

#debug-telemetry {
    flex: 1 1 500px;
}

.debug-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 10px;
}

.debug-box {
    border: 1px solid #d1d5db;
    background: #f9fafb;
    padding: 8px;
}

.debug-box h4 {
    font-size: 12px;
    margin-bottom: 6px;
    border-bottom: 1px solid #d1d5db;
    padding-bottom: 3px;
}

.debug-box table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    font-family: monospace;
}

.debug-box td {
    padding: 3px 2px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: middle;
}

.bar-track {
    width: 100%;
    height: 7px;
    background: #e5e7eb;
    border: 1px solid #9ca3af;
    margin-top: 2px;
}

.bar-fill {
    height: 100%;
}

.steer-fill {
    background: #2563eb;
}

.throttle-pos {
    background: #16a34a;
}

.throttle-neg {
    background: #dc2626;
}

.sensor-chip {
    display: inline-block;
    padding: 1px 3px;
    background: #fef3c7;
    border: 1px solid #d97706;
    font-size: 10px;
    margin: 1px 0;
}

.sensor-chip.boid-chip {
    background: #fee2e2;
    border-color: #dc2626;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
    gap: 10px;
}

.chart-card {
    border: 1px solid #d1d5db;
    background: #f9fafb;
    padding: 6px;
    display: flex;
    justify-content: center;
}

.chart-card canvas {
    border: 1px solid #d1d5db;
    max-width: 100%;
    height: auto;
}