:root{--safe: #2ecc71;--caution: #f1c40f;--warning: #e67e22;--danger: #e74c3c;--panel-bg: rgba(15, 23, 32, .82);--text: #eef2f5;--muted: #9fb0bd;font-family:Pretendard,Malgun Gothic,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}html,body{margin:0;height:100%;background:#0a0f14;color:var(--text);overflow:hidden}#app{position:relative;width:100vw;height:100vh}#scene{position:absolute;top:0;right:0;bottom:0;left:0;display:block}#title-bar{position:absolute;top:0;left:0;right:0;padding:18px 24px 14px;background:linear-gradient(to bottom,#05080cd9,#05080c00);pointer-events:none}#title-bar h1{margin:0 0 4px;font-size:1.25rem;font-weight:700;letter-spacing:-.01em}#title-bar p{margin:0;font-size:.85rem;color:var(--muted)}#control-panel{position:absolute;top:100px;left:24px;width:280px;background:var(--panel-bg);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 30px #00000059}#control-panel h2{margin:0 0 12px;font-size:.95rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.scenario-btn{display:block;width:100%;text-align:left;padding:10px 12px;margin-bottom:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);color:var(--text);border-radius:8px;cursor:pointer;font-size:.85rem;transition:background .15s,border-color .15s,transform .1s}.scenario-btn:hover{background:#ffffff1a}.scenario-btn.active{border-color:#4da3ff;background:#4da3ff2e;font-weight:600}#status-box{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}.status-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px;font-size:.85rem}.status-row .label{color:var(--muted)}.status-row .value{font-weight:700;font-variant-numeric:tabular-nums}#risk-grade.grade-safe{color:var(--safe)}#risk-grade.grade-caution{color:var(--caution)}#risk-grade.grade-warning{color:var(--warning)}#risk-grade.grade-danger{color:var(--danger)}#risk-desc{margin:10px 0 0;font-size:.78rem;line-height:1.5;color:var(--muted)}#legend{margin-top:16px;padding-top:12px;border-top:1px solid rgba(255,255,255,.1);display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:.75rem;color:var(--muted)}#legend div{display:flex;align-items:center;gap:6px}.swatch{width:10px;height:10px;border-radius:3px;display:inline-block}.swatch.safe{background:var(--safe)}.swatch.caution{background:var(--caution)}.swatch.warning{background:var(--warning)}.swatch.danger{background:var(--danger)}#gate-note{margin:12px 0 0;font-size:.72rem;line-height:1.5;color:#7fd8ff}#disclaimer{position:absolute;bottom:0;left:0;right:0;padding:8px 24px;font-size:.7rem;color:var(--muted);background:linear-gradient(to top,#05080cd9,#05080c00);pointer-events:none}.floating-label{position:absolute;transform:translate(-50%,-100%);padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:700;white-space:nowrap;pointer-events:none;color:#0a0f14;transition:background .3s,color .3s}.floating-label.head-diff-label{transform:translateY(-50%);background:#0f1720d9;border:1px solid #dff3ff;color:#dff3ff}.floating-label.levee-label{background:#c9ac7ceb;color:#2b2013;font-weight:600}@media (max-width: 720px){#control-panel{width:calc(100% - 32px);top:auto;bottom:60px;left:16px}#title-bar h1{font-size:1rem}}