:root{color:#f7fbff;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#01030a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}button,input,select{font:inherit}#scene,#labels{position:fixed;inset:0}#labels{pointer-events:none}.scene-label{color:#ffffffdb;text-shadow:0 1px 6px #000000e6;white-space:nowrap;background:#0208128f;border:1px solid #ffffff2e;border-radius:999px;padding:3px 8px;font-size:12px;line-height:1.2;transition:opacity .12s;position:absolute}.control-panel{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#030914c7;border:1px solid #ffffff29;border-radius:8px;width:min(440px,100vw - 40px);padding:18px;position:fixed;top:20px;left:20px;box-shadow:0 18px 44px #00000057}.panel-header{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;list-style:none;display:flex}.panel-header::-webkit-details-marker{display:none}.control-panel:not([open]) .panel-header{margin-bottom:0}.panel-body{display:block}h1{margin:0;font-size:22px;font-weight:720}.panel-header p{color:#ebf6ffb8;margin:4px 0 0;font-size:13px}.phase-icon{background:#ffffff0a;border:1px solid #ffffff1f;border-radius:8px;place-items:center;width:64px;height:64px;display:grid}.field-row{color:#f5fbffdb;gap:6px;margin-bottom:14px;font-size:13px;display:grid}select{color:#fff;background:#ffffff14;border:1px solid #ffffff29;border-radius:8px;width:100%;min-height:34px;padding:0 10px}select option{background:#07101f}.readout-grid{grid-template-columns:1fr 1fr;gap:10px 14px;margin-bottom:16px;display:grid}.readout-label{color:#ebf6ff94;text-transform:uppercase;margin-bottom:2px;font-size:11px;display:block}.readout-grid strong{color:#fff;font-size:13px;font-weight:680}.slider-row,.chart-header{color:#f5fbffdb;justify-content:space-between;align-items:baseline;gap:12px;margin-top:14px;font-size:13px;display:flex}.slider-row span:last-child,.chart-header span:last-child{color:#8fdfff;font-variant-numeric:tabular-nums}input[type=range]{accent-color:#5bd1ff;width:100%;margin:8px 0 0}#tideChart{cursor:crosshair;background:#ffffff0b;border:1px solid #ffffff1f;border-radius:8px;width:100%;height:144px;margin-top:8px;display:block}.model-note{color:#ebf6ff94;margin:6px 0 0;font-size:12px}.button-row,.toggle-grid{gap:8px;display:grid}.button-row{grid-template-columns:repeat(3,1fr);margin-top:16px}button{color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff29;border-radius:8px;min-height:34px}button:hover{background:#67d2ff2e;border-color:#76dbff61}.toggle-grid{grid-template-columns:1fr 1fr;margin-top:14px}.toggle-grid label{color:#f5fbffd6;align-items:center;gap:7px;min-height:32px;font-size:13px;display:flex}.tide-legend{border-top:1px solid #ffffff1f;margin-top:14px;padding-top:12px}.legend-topline,.legend-scale{color:#f5fbffcc;justify-content:space-between;gap:12px;font-size:12px;display:flex}.legend-topline strong{color:#fff;font-variant-numeric:tabular-nums}.legend-gradient{background:linear-gradient(90deg,#000004,#1b0c41,#4a0c6b,#781c6d,#a52c60,#cf4446,#ed6925,#fb9b06,#fcffa4);border-radius:3px;height:12px;margin:8px 0 5px;box-shadow:inset 0 0 0 1px #ffffff24}.legend-scale{color:#ebf6ff9e;font-variant-numeric:tabular-nums}.help-panel{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#030914c7;border:1px solid #ffffff29;border-radius:8px;width:min(420px,100vw - 40px);position:fixed;bottom:20px;right:20px;box-shadow:0 18px 44px #00000057}.help-panel summary{color:#fff;cursor:pointer;padding:12px 14px;font-weight:680}.help-content{color:#ebf6ffd1;padding:0 16px 16px;font-size:13px;line-height:1.45}.help-content p{margin:0 0 10px}.help-content ol{margin:0;padding-left:18px}.help-content li+li{margin-top:6px}@media (width<=760px){.control-panel{width:calc(100vw - 20px);max-height:calc(100vh - 100px);top:10px;left:10px;overflow:auto}.readout-grid,.toggle-grid,.button-row{grid-template-columns:1fr}.help-panel{width:calc(100vw - 20px);bottom:10px;right:10px}}