:root {
  color-scheme: dark;
  --bg: #061018;
  --bg-2: #091722;
  --panel: rgba(14, 30, 42, 0.82);
  --panel-strong: #102432;
  --panel-soft: #0d1c28;
  --line: rgba(148, 184, 203, 0.16);
  --line-strong: rgba(148, 184, 203, 0.28);
  --text: #edf7fa;
  --muted: #90a8b6;
  --muted-2: #688391;
  --cyan: #5de2df;
  --cyan-2: #2ebdbb;
  --blue: #72a7ff;
  --green: #67d9a1;
  --amber: #f0bf69;
  --red: #ff7b7b;
  --violet: #b09cff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
  --radius: 20px;
  --radius-sm: 12px;
  --sidebar: 248px;
  font-family: Inter, Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background:
  radial-gradient(circle at 80% 0%, rgba(39, 151, 160, 0.14), transparent 30%),
  radial-gradient(circle at 35% 20%, rgba(70, 111, 178, 0.09), transparent 28%),
  linear-gradient(135deg, #061018 0%, #07131c 45%, #08141e 100%);
}
button, input, select { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; background: var(--cyan); color: #041113; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr); }
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar); padding: 26px 18px; border-right: 1px solid var(--line); background: rgba(5, 15, 23, 0.9); backdrop-filter: blur(18px); display: flex; flex-direction: column; z-index: 50; }
.brand-block { display: flex; align-items: center; gap: 12px; padding: 0 8px 24px; border-bottom: 1px solid var(--line); }
.brand-block strong { display: block; margin-top: 3px; font-size: 14px; letter-spacing: -0.02em; }
.brand-mark { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #031216; background: linear-gradient(135deg, var(--cyan), #9bf1d1); box-shadow: 0 10px 30px rgba(93, 226, 223, 0.16); }
.eyebrow, .panel-kicker { font-size: 10px; font-weight: 800; letter-spacing: 0.16em; color: var(--muted-2); }
.nav-stack { display: grid; gap: 6px; padding: 24px 0; }
.nav-item { border: 0; background: transparent; color: var(--muted); border-radius: 12px; padding: 12px 14px; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 12px; transition: .18s ease; }
.nav-item span { width: 24px; font-size: 10px; color: var(--muted-2); }
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.035); }
.nav-item.active { color: var(--text); background: linear-gradient(90deg, rgba(93,226,223,.13), rgba(93,226,223,.035)); box-shadow: inset 2px 0 var(--cyan); }
.nav-item.active span { color: var(--cyan); }
.sidebar-footer { margin-top: auto; padding: 16px 10px 4px; border-top: 1px solid var(--line); display: grid; gap: 7px; color: var(--muted); }
.status-row { display: flex; gap: 8px; align-items: center; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px rgba(103,217,161,.6); }
.sidebar-footer small { font-size: 11px; line-height: 1.45; }

.workspace { grid-column: 2; min-width: 0; }
.topbar { height: 92px; padding: 22px clamp(20px, 3vw, 44px); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; position: sticky; top: 0; z-index: 40; background: rgba(6,16,24,.83); backdrop-filter: blur(18px); }
.topbar h1 { margin: 4px 0 0; font-size: clamp(18px, 2vw, 25px); letter-spacing: -.035em; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn, .freshness-chip, .dialog-actions button { border: 1px solid var(--line); background: rgba(255,255,255,.035); border-radius: 11px; padding: 10px 13px; color: var(--muted); }
.icon-btn { cursor: pointer; }
.icon-btn span { color: var(--cyan); margin-left: 5px; font-weight: 800; }
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); }
.freshness-chip { font-size: 11px; }

.main-content { padding: clamp(20px, 3vw, 42px); max-width: 1760px; margin: 0 auto; }
.view { display: none; animation: viewIn .22s ease; }
.view.active { display: block; }
@keyframes viewIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.hero-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .8fr); gap: 16px; margin-bottom: 16px; }
.hero-card, .signal-card, .panel, .metric-card { position: relative; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(16,36,50,.88), rgba(10,24,34,.85)); box-shadow: var(--shadow); }
.hero-card { min-height: 220px; border-radius: 26px; padding: clamp(24px, 3vw, 40px); display: flex; align-items: center; }
.hero-card::before { content: ""; position: absolute; width: 320px; height: 320px; right: -80px; top: -90px; border-radius: 50%; border: 1px solid rgba(93,226,223,.12); box-shadow: inset 0 0 70px rgba(93,226,223,.04); }
.hero-card h2 { max-width: 680px; margin: 10px 0 12px; font-size: clamp(28px, 4vw, 54px); line-height: 1.03; letter-spacing: -.06em; }
.hero-copy { max-width: 660px; color: var(--muted); line-height: 1.75; margin: 0; }
.hero-orbit { position: absolute; right: 8%; top: 50%; width: 120px; height: 120px; transform: translateY(-50%); }
.hero-orbit i { position: absolute; inset: 0; border: 1px solid rgba(93,226,223,.18); border-radius: 50%; animation: orbit 12s linear infinite; }
.hero-orbit i:nth-child(2) { inset: 18px; border-color: rgba(114,167,255,.2); animation-direction: reverse; animation-duration: 9s; }
.hero-orbit i:nth-child(3) { inset: 42px; background: radial-gradient(circle, rgba(93,226,223,.75), rgba(93,226,223,.08) 45%, transparent 70%); border: 0; box-shadow: 0 0 30px rgba(93,226,223,.28); }
@keyframes orbit { to { transform: rotate(360deg); } }
.signal-card { border-radius: 26px; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 220px; }
.signal-card::before { content:""; position:absolute; inset:0; background: linear-gradient(155deg, transparent 35%, rgba(93,226,223,.08)); pointer-events:none; }
.signal-label { color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.signal-card strong { font-size: 24px; margin-top: 14px; }
.signal-card p { color: var(--muted); margin: 8px 0 0; line-height: 1.55; }

.metric-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 16px 0; }
.metric-card { border-radius: 16px; padding: 18px; min-height: 116px; box-shadow: none; }
.metric-card .label { display:block; color: var(--muted); font-size: 11px; margin-bottom: 12px; }
.metric-card strong { display:block; font-size: 26px; letter-spacing: -.04em; }
.metric-card small { display:block; margin-top: 8px; color: var(--muted-2); font-size: 11px; line-height: 1.45; }
.metric-card .delta.up { color: var(--red); }
.metric-card .delta.down { color: var(--green); }

.dashboard-grid { display: grid; gap: 16px; margin-top: 16px; }
.dashboard-grid-2-1 { grid-template-columns: minmax(0, 2fr) minmax(300px, .8fr); }
.two-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { border-radius: var(--radius); padding: 20px; min-width: 0; box-shadow: 0 18px 55px rgba(0,0,0,.18); }
.panel-head { display:flex; justify-content:space-between; align-items:flex-start; gap:14px; margin-bottom:18px; }
.panel h3 { margin: 4px 0 0; font-size: 16px; letter-spacing: -.025em; }
.legend-inline { color: var(--muted); font-size: 10px; display:flex; align-items:center; gap:5px; }
.legend-inline i { width:7px; height:7px; border-radius:50%; display:inline-block; }
.legend-inline .low { background: var(--green); }
.legend-inline .mid { background: var(--amber); }
.legend-inline .high { background: var(--red); }

.risk-tile-map { display:grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap:8px; }
.risk-tile { min-height:76px; padding:11px; border:1px solid var(--line); border-radius:11px; background:rgba(255,255,255,.025); cursor:pointer; transition:.16s ease; text-align:left; }
.risk-tile:hover { transform: translateY(-2px); border-color:var(--line-strong); }
.risk-tile strong { display:block; font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.risk-tile span { display:block; margin-top:8px; font-size:18px; font-weight:800; }
.risk-tile small { color:var(--muted-2); font-size:9px; }
.risk-low { background: linear-gradient(145deg, rgba(46,156,114,.11), rgba(255,255,255,.018)); }
.risk-mid { background: linear-gradient(145deg, rgba(222,168,71,.10), rgba(255,255,255,.018)); }
.risk-high { background: linear-gradient(145deg, rgba(207,91,91,.13), rgba(255,255,255,.018)); }

.segmented { display:grid; grid-template-columns:repeat(3,1fr); gap:4px; padding:4px; background:rgba(255,255,255,.03); border:1px solid var(--line); border-radius:10px; margin-bottom:12px; }
.segmented button { border:0; background:transparent; color:var(--muted); padding:8px; border-radius:7px; cursor:pointer; font-size:11px; }
.segmented button.active { color:var(--text); background:rgba(93,226,223,.1); }
.ranking-list { display:grid; gap:7px; }
.rank-row { display:grid; grid-template-columns:28px minmax(0,1fr) auto; gap:10px; align-items:center; padding:10px 2px; border-bottom:1px solid rgba(148,184,203,.08); }
.rank-row:last-child { border-bottom:0; }
.rank-no { color:var(--muted-2); font-size:10px; }
.rank-name { min-width:0; }
.rank-name strong { display:block; font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.rank-name small { color:var(--muted-2); font-size:10px; }
.rank-value { font-size:12px; font-weight:800; color:var(--cyan); }

.chart-area { min-height:300px; position:relative; }
.chart-area.tall { min-height:390px; }
.chart-area svg { width:100%; height:100%; min-height:inherit; display:block; overflow:visible; }
.chart-empty { height:100%; min-height:240px; display:grid; place-items:center; color:var(--muted-2); font-size:12px; }
.axis-line { stroke:rgba(148,184,203,.15); stroke-width:1; }
.axis-label { fill:#6f8998; font-size:10px; }
.series-line { fill:none; stroke-width:2.2; }
.series-dot { stroke:#08131c; stroke-width:1.4; }
.scatter-dot { opacity:.82; cursor:pointer; }
.scatter-dot:hover { opacity:1; stroke:#fff; stroke-width:1.5; }

.section-intro { display:flex; align-items:flex-end; justify-content:space-between; gap:22px; margin-bottom:18px; }
.section-intro h2 { margin:7px 0; font-size:clamp(24px,3vw,38px); letter-spacing:-.045em; }
.section-intro p { margin:0; color:var(--muted); line-height:1.65; }
.select, .compact-select, .search-input { border:1px solid var(--line); background:#0c1b26; color:var(--text); border-radius:10px; padding:10px 12px; }
.compact-select { padding:7px 9px; font-size:11px; max-width:210px; }
.control-ribbon { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:16px; padding:14px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.025); }
.control-ribbon label { color:var(--muted); font-size:11px; display:flex; align-items:center; gap:8px; }
.inline-controls { display:flex; align-items:center; gap:8px; }

.gauge-wrap { min-height:260px; display:grid; place-items:center; }
.gauge { width:210px; aspect-ratio:1; border-radius:50%; display:grid; place-items:center; position:relative; background:conic-gradient(var(--cyan) calc(var(--gauge) * 1%), rgba(255,255,255,.05) 0); }
.gauge::before { content:""; width:75%; height:75%; border-radius:50%; background:var(--panel-strong); position:absolute; }
.gauge-content { position:relative; text-align:center; }
.gauge-content strong { display:block; font-size:38px; }
.gauge-content span { color:var(--muted); font-size:11px; }
.bar-stack { display:grid; gap:14px; padding-top:10px; }
.bar-row { display:grid; grid-template-columns:120px minmax(0,1fr) 54px; gap:10px; align-items:center; }
.bar-row label { color:var(--muted); font-size:11px; }
.bar-track { height:8px; border-radius:999px; background:rgba(255,255,255,.05); overflow:hidden; }
.bar-fill { height:100%; border-radius:inherit; background:linear-gradient(90deg,var(--cyan-2),var(--blue)); }
.bar-row strong { text-align:right; font-size:11px; }

.source-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; }
.source-card { border:1px solid var(--line); background:rgba(255,255,255,.022); border-radius:12px; padding:14px; }
.source-card span { color:var(--muted-2); font-size:10px; }
.source-card strong { display:block; margin:8px 0 4px; font-size:13px; }
.source-card small { color:var(--muted); font-size:10px; line-height:1.45; }
.quality-badge { display:inline-flex; align-items:center; justify-content:center; min-width:25px; height:22px; border-radius:7px; font-size:10px; font-weight:900; }
.quality-A { background:rgba(103,217,161,.13); color:var(--green); }
.quality-B { background:rgba(114,167,255,.13); color:var(--blue); }
.quality-C { background:rgba(240,191,105,.14); color:var(--amber); }
.quality-M { background:rgba(176,156,255,.14); color:var(--violet); }

.heatmap-wrap { overflow:auto; max-height:540px; }
.heatmap-grid { display:grid; gap:3px; min-width:720px; align-items:center; }
.heat-cell { height:24px; border-radius:4px; display:grid; place-items:center; font-size:8px; color:rgba(255,255,255,.75); }
.heat-label { color:var(--muted); font-size:10px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; padding-right:6px; }
.heat-period { color:var(--muted-2); font-size:9px; text-align:center; }

.donut-layout { display:grid; grid-template-columns:minmax(220px,.8fr) minmax(0,1fr); gap:18px; align-items:center; }
.donut-layout svg { width:100%; max-width:300px; margin:auto; overflow:visible; }
.donut-legend { display:grid; gap:7px; }
.donut-item { display:grid; grid-template-columns:10px minmax(0,1fr) auto; gap:8px; align-items:center; font-size:11px; }
.donut-swatch { width:9px; height:9px; border-radius:3px; }
.value-ranking { max-height:430px; overflow:auto; padding-right:4px; }
.coverage-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; }
.coverage-card { padding:16px; border:1px solid var(--line); border-radius:12px; background:rgba(255,255,255,.02); }
.coverage-card strong { display:block; margin:8px 0; }
.coverage-card p { color:var(--muted); font-size:11px; line-height:1.6; margin:0; }

.quality-list, .source-status { display:grid; gap:10px; }
.quality-row { display:grid; grid-template-columns:42px minmax(0,1fr) 50px; gap:10px; align-items:center; }
.quality-track { height:9px; border-radius:999px; background:rgba(255,255,255,.05); overflow:hidden; }
.quality-track i { display:block; height:100%; border-radius:inherit; background:linear-gradient(90deg,var(--blue),var(--cyan)); }
.status-card { padding:14px; border:1px solid var(--line); border-radius:12px; background:rgba(255,255,255,.022); }
.status-card strong { display:block; font-size:12px; }
.status-card span { display:block; margin-top:6px; color:var(--muted); font-size:10px; word-break:break-all; }

.method-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.method-card { padding:18px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.022); }
.method-card h3 { margin:8px 0; font-size:15px; }
.method-card p { margin:0; color:var(--muted); font-size:11px; line-height:1.7; }
.method-card code { display:block; margin-top:12px; padding:10px; color:#b8dbe5; background:#07141d; border-radius:8px; white-space:normal; font-size:10px; line-height:1.6; }

.region-dialog { width:min(760px,calc(100vw - 28px)); max-height:80vh; border:1px solid var(--line-strong); padding:0; border-radius:22px; color:var(--text); background:#0b1a25; box-shadow:0 40px 120px rgba(0,0,0,.55); }
.region-dialog::backdrop { background:rgba(0,7,12,.72); backdrop-filter:blur(4px); }
.dialog-card { padding:22px; }
.dialog-head { display:flex; justify-content:space-between; gap:18px; align-items:center; }
.dialog-head h2 { margin:5px 0 0; }
.dialog-close { border:0; width:36px; height:36px; border-radius:10px; background:rgba(255,255,255,.04); color:var(--muted); font-size:22px; cursor:pointer; }
.search-input { width:100%; margin-top:16px; }
.dialog-actions { display:flex; gap:8px; margin:10px 0; flex-wrap:wrap; }
.dialog-actions button { cursor:pointer; }
.chip-row { display:flex; gap:6px; flex-wrap:wrap; margin:10px 0; }
.chip { display:inline-flex; align-items:center; gap:6px; border:1px solid rgba(93,226,223,.2); color:#b8eceb; background:rgba(93,226,223,.07); border-radius:999px; padding:6px 9px; font-size:10px; }
.chip button { border:0; background:transparent; color:inherit; cursor:pointer; padding:0; }
.region-options { max-height:380px; overflow:auto; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px; }
.region-option { border:1px solid var(--line); border-radius:10px; background:rgba(255,255,255,.02); padding:10px; cursor:pointer; text-align:left; }
.region-option.selected { border-color:rgba(93,226,223,.38); background:rgba(93,226,223,.07); }
.region-option strong { display:block; font-size:11px; }
.region-option span { color:var(--muted-2); font-size:9px; }

.toast { position:fixed; right:20px; bottom:20px; z-index:100; min-width:220px; max-width:420px; padding:12px 14px; border:1px solid var(--line-strong); border-radius:11px; background:#102431; box-shadow:var(--shadow); color:var(--text); font-size:11px; opacity:0; transform:translateY(10px); pointer-events:none; transition:.2s ease; }
.toast.show { opacity:1; transform:none; }

@media (max-width: 1180px) {
  :root { --sidebar: 210px; }
  .risk-tile-map { grid-template-columns:repeat(4,minmax(0,1fr)); }
  .metric-strip { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .source-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns:1fr; padding-bottom:68px; }
  .workspace { grid-column:1; }
  .sidebar { width:100%; height:62px; top:auto; bottom:0; padding:6px 8px; border-right:0; border-top:1px solid var(--line); flex-direction:row; }
  .brand-block, .sidebar-footer { display:none; }
  .nav-stack { width:100%; padding:0; display:grid; grid-template-columns:repeat(6,1fr); gap:3px; }
  .nav-item { padding:8px 4px; justify-content:center; text-align:center; font-size:9px; display:grid; gap:2px; }
  .nav-item span { width:auto; font-size:8px; }
  .nav-item.active { box-shadow:inset 0 2px var(--cyan); }
  .topbar { height:auto; min-height:76px; position:sticky; padding:14px 16px; }
  .freshness-chip { display:none; }
  .main-content { padding:16px; }
  .hero-grid, .dashboard-grid-2-1, .two-column { grid-template-columns:1fr; }
  .hero-card { min-height:190px; }
  .hero-orbit { opacity:.45; }
  .risk-tile-map { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .method-grid { grid-template-columns:1fr; }
  .donut-layout { grid-template-columns:1fr; }
  .coverage-grid { grid-template-columns:1fr; }
}

@media (max-width: 560px) {
  .topbar h1 { font-size:17px; }
  .topbar .eyebrow { display:none; }
  .icon-btn { padding:9px; font-size:10px; }
  .hero-card { padding:22px; min-height:178px; }
  .hero-card h2 { font-size:28px; max-width:85%; }
  .hero-copy { font-size:12px; }
  .signal-card { min-height:150px; }
  .metric-strip { grid-template-columns:1fr 1fr; gap:8px; }
  .metric-card { min-height:100px; padding:14px; }
  .metric-card strong { font-size:21px; }
  .risk-tile-map { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .risk-tile { min-height:68px; }
  .panel { padding:16px; border-radius:16px; }
  .source-grid { grid-template-columns:1fr; }
  .section-intro { align-items:flex-start; flex-direction:column; }
  .section-intro .select { width:100%; }
  .region-options { grid-template-columns:1fr; }
  .bar-row { grid-template-columns:100px minmax(0,1fr) 44px; }
  .nav-item { font-size:0; }
  .nav-item span { font-size:10px; }
}