:root{color-scheme:dark;--bg: #0e141a;--panel: #161f28;--line: #26323e;--text: #e8eef2;--muted: #8fa1af;--accent: #4aa3d0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.page{max-width:1100px;margin:0 auto;padding:24px 20px 40px}.masthead h1{margin:0;font-size:2.2rem;letter-spacing:.1em;text-transform:uppercase}.masthead p{margin:4px 0 0;color:var(--muted);font-size:.9rem}main{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(240px,1fr);gap:20px;margin-top:20px;align-items:start}@media(max-width:820px){main{grid-template-columns:1fr}}.hero{position:relative;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line)}.hero img{display:block;width:100%}.water{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,#4090be99,#0f3a5ed9);transition:top .25s ease}.wave-strip{position:absolute;left:0;right:0;top:0;height:14px;transform:translateY(-93%);overflow:hidden}.wave-strip svg{display:block;width:200%;height:100%;fill:#4090be99;animation:drift 9s linear infinite}@keyframes drift{to{transform:translate(-50%)}}.hero-readout{position:absolute;left:14px;bottom:12px;display:flex;flex-direction:column;padding:8px 14px;border-radius:8px;background:#0a141cb8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hero-readout strong{font-size:1.6rem;line-height:1.2}.hero-readout span{color:var(--muted);font-size:.85rem}.controls{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;margin-top:14px;padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:12px}@media(max-width:560px){.controls{grid-template-columns:1fr}}.date-field{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted)}.date-field input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 10px}.slider-field{min-width:0}.slider-head{display:flex;justify-content:space-between;align-items:baseline;font-size:.85rem;color:var(--muted);margin-bottom:6px}.slider-head output{color:var(--accent);font-weight:600;font-size:1rem}.slider-field input[type=range]{width:100%;accent-color:var(--accent)}.slider-ticks{display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}.extremes{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0;padding:0}.extremes li{padding:4px 12px;border:1px solid var(--line);border-radius:999px;font-size:.85rem;color:var(--muted)}.extremes li.high{border-color:#4aa3d080;color:var(--text)}.band-panel{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--line);border-radius:12px;padding:16px}.band-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px}.band-head h2{margin:0;font-size:1.15rem}.band-range{color:var(--muted);font-size:.85rem;white-space:nowrap}.band-panel img{width:100%;border-radius:8px}.band-panel p{margin-bottom:0}.error{color:#e07777}.muted{color:var(--muted)}footer{margin-top:28px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}