:root {
    --bg:#0f1115;
    --card:#181c23;
    --ink:#e7e9ee;
    --muted:#9aa3b2;
    --accent:#f5c518;
    --flow:#ff7a45;
}

* {
    box-sizing:border-box;
}

body {
    margin:0;
    font-family:system-ui,Segoe UI,Roboto,sans-serif;
    background:var(--bg);
    color:var(--ink);
}

header {
    padding:20px 28px;
    border-bottom:1px solid #232833;
}

header h1 {
    margin:0;
    font-size:20px;
}

.sub {
    margin:4px 0 0;
    color:var(--muted);
    font-size:13px;
}

.controls {
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    align-items:end;
    padding:16px 28px;
}

.controls label {
    display:flex;
    flex-direction:column;
    font-size:12px;
    color:var(--muted);
    gap:4px;
}

.controls input, .controls select {
    background:var(--card);
    color:var(--ink);
    border:1px solid #2a303b;
    border-radius:8px;
    padding:7px 9px;
}

.controls .toggle {
    flex-direction:row;
    align-items:center;
    gap:6px;
    color:var(--ink);
    font-size:13px;
}

.presets {
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    align-self:end;
    padding-bottom:2px;
}

.preset {
    background:transparent;
    color:var(--muted);
    border:1px solid #2a303b;
    border-radius:999px;
    padding:5px 11px;
    font-size:12px;
    cursor:pointer;
    transition:background 0.15s, color 0.15s, border-color 0.15s;
}

.preset:hover {
    background:#232833;
    color:var(--ink);
    border-color:#37404e;
}

#apply {
    background:var(--accent);
    color:#111;
    border:0;
    border-radius:8px;
    padding:9px 16px;
    font-weight:600;
    cursor:pointer;
    align-self:end;
}

.grid {
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:16px;
    padding:0 28px 28px;
}

.map-card {
    grid-row:span 2;
}

.card {
    background:var(--card);
    border:1px solid #232833;
    border-radius:14px;
    padding:16px;
}

.card-header {
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    margin:0 0 12px;
}

.card-header h2 {
    margin:0;
    font-size:14px;
    font-weight:600;
}

.card-actions {
    display:flex;
    gap:10px;
}

.download {
    font-size:11px;
    color:var(--muted);
    text-decoration:none;
    border:1px solid #2a303b;
    border-radius:6px;
    padding:3px 8px;
    transition:background 0.15s, color 0.15s, border-color 0.15s;
}

.download:hover {
    background:#232833;
    color:var(--ink);
    border-color:#37404e;
}

.insights {
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:16px;
    padding:0 28px 16px;
}

.insights:empty {
    padding:0;
}

.insight {
    background:var(--card);
    border:1px solid #232833;
    border-radius:14px;
    padding:14px 18px;
    position:relative;
    overflow:hidden;
}

.insight::before {
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:3px;
    background:var(--accent);
}

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

.insight-value {
    color:var(--ink);
    font-size:20px;
    font-weight:600;
    margin-bottom:4px;
    line-height:1.2;
}

.insight-caption {
    color:var(--muted);
    font-size:12px;
    line-height:1.4;
}

@media (max-width:900px){
    .insights{
        grid-template-columns:1fr;
    }
}

#map {
    height:520px;
    border-radius:10px;
}

.legend {
    background:rgba(24,28,35,0.92);
    color:var(--ink);
    border:1px solid #2a303b;
    border-radius:8px;
    padding:10px 12px;
    font-size:12px;
    line-height:1.4;
    box-shadow:0 2px 8px rgba(0,0,0,0.35);
    min-width:140px;
}

.legend-title {
    font-weight:600;
    margin-bottom:6px;
    color:var(--ink);
}

.legend-row {
    display:flex;
    align-items:center;
    gap:8px;
    margin-top:2px;
}

.legend-swatch {
    display:inline-block;
    width:14px;
    height:14px;
    border-radius:3px;
    border:1px solid rgba(0,0,0,0.4);
    flex-shrink:0;
}

.legend-label {
    color:var(--muted);
}

@media (max-width:900px){
    .grid{
        grid-template-columns:1fr;
    }

    .map-card{
        grid-row:auto;
    }
}