/* 스타일 정의 */
:root{
--bg:#0b1220; --card:#071021; --muted:#9fb0c8; --accent:#06b6d4; --accent-2:#7c3aed; --good:#10b981; --bad:#ef4444;
--glass: rgba(255,255,255,0.03);
}
*{box-sizing:border-box;font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
html,body{height:100%;margin:0;background:linear-gradient(180deg,#071428 0%,#031225 100%);color:#e6eef6}
.app{max-width:1080px;margin:18px auto;padding:14px}
.topbar{padding:18px 16px;border-radius:12px;background:linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));margin-bottom:14px}
.title{font-size:20px;font-weight:800}
.subtitle{font-size:13px;color:var(--muted);margin-top:6px}
.main{display:grid;grid-template-columns:360px 1fr;gap:16px}
.card{background:var(--card);padding:14px;border-radius:12px;box-shadow:0 6px 20px rgba(2,6,23,0.6)}
.control-panel label{display:block;margin:8px 0;font-size:13px;color:var(--muted)}
.control-panel input[type=range]{width:100%;margin-top:6px}
.control-panel output{float:right;color:var(--accent);font-weight:700}
.controls-row{display:flex;gap:8px;margin-top:12px}
.slider-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.section-title{margin-top:8px;margin-bottom:4px;font-size:14px;font-weight:700;color:#fff}
.btn{padding:8px 12px;border-radius:8px;border:none;background:#0f1724;color:var(--accent);cursor:pointer;font-weight:700;flex:1}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#001f23}
.btn.accent{background:rgba(6,182,212,0.15);color:#67e8f9;border:1px solid rgba(103,232,249,0.45)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted)}
.hint{font-size:12px;color:var(--muted);margin-top:10px}
.output-panel .top-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.metric{background:var(--glass);padding:10px;border-radius:8px;min-width:120px}
.metric .label{font-size:12px;color:var(--muted)}
.metric .value{font-size:20px;font-weight:800;color:#fff}
.alarm{margin-left:auto;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,0.02);font-weight:800}
.alarm.warn{background:linear-gradient(90deg,var(--bad),#b91c1c);color:#fff}
.visuals{display:flex;gap:12px;flex-wrap:wrap}
.chart-card{flex:1;display:flex;flex-direction:column;gap:10px}
.log-card{width:320px;max-height:340px;background:rgba(255,255,255,0.02);padding:10px;border-radius:10px;overflow:auto;margin-top:300px}
.log{font-family:system-ui,monospace;background:transparent;color:#cfeef7;font-size:13px;white-space:pre-wrap;line-height:1.35}
.log-card h4{margin:0 0 6px;font-size:14px}
.chart-card canvas{width:250%}
.cluster-legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.legend-item{display:flex;align-items:center;padding:12px;border-radius:12px;background:rgba(255,255,255,0.08);box-shadow:0 8px 18px rgba(3,7,18,0.45)}
.legend-item .dot{width:18px;height:18px;border-radius:50%;margin-right:10px}
.legend-item.safe .dot{background:var(--good)}
.legend-item.risk .dot{background:var(--bad)}
.legend-item.rate .dot{background:var(--accent)}
.legend-text{display:flex;flex-direction:column}
.legend-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em}
.legend-count{font-size:18px;font-weight:700;color:#fff}
.foot{text-align:center;color:var(--muted);margin-top:12px}
@media (max-width:900px){
.main{grid-template-columns:1fr;}
.log-card{width:100%;}
.controls-row{flex-direction:column;}
}