:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#10130f;color:#f6f7e5}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#10130f}button,input{font:inherit}.app-shell{display:grid;grid-template-columns:minmax(0,1fr) 380px;min-height:100vh}.viewport{position:relative;min-height:100vh;overflow:hidden;background:#1f2b2a}#sunCanvas{display:block;width:100%;height:100%;min-height:560px}.readout{position:absolute;left:20px;right:20px;bottom:20px;display:flex;gap:12px;flex-wrap:wrap}.readout>div{min-width:170px;padding:12px 14px;border:1px solid rgba(246,247,229,.18);border-radius:8px;background:#0a0e0c9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.label{display:block;margin-bottom:4px;color:#f6f7e5ad;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.readout strong{font-size:18px}.controls{display:flex;flex-direction:column;gap:18px;padding:28px;border-left:1px solid rgba(246,247,229,.12);background:#171b16}.location-row,.slider-row,.calibration-panel{display:grid;gap:8px}label{color:#f6f7e5c2;font-size:13px;font-weight:700}input{width:100%;min-height:44px;padding:10px 12px;border:1px solid rgba(246,247,229,.18);border-radius:8px;background:#22291f;color:#f6f7e5;outline:none}input:focus{border-color:#ffe26c;box-shadow:0 0 0 3px #ffe26c26}.location-input{display:grid;grid-template-columns:minmax(0,1fr) 74px;gap:8px}.coordinate-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.coordinate-grid label{display:grid;gap:8px}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}button{min-height:44px;border:0;border-radius:8px;background:#ffe26c;color:#17120a;font-weight:800;cursor:pointer}button:hover{background:#fff09b}button:active{transform:translateY(1px)}.secondary-button{border:1px solid rgba(246,247,229,.18);background:#2b3327;color:#f6f7e5}.secondary-button:hover{background:#36402f}.calibration-panel{padding:14px;border:1px solid rgba(246,247,229,.14);border-radius:8px;background:#1d231a}.panel-title{color:#f6f7e5;font-size:13px;font-weight:800}.toggle-row{display:flex;align-items:center;gap:8px;min-height:32px}.toggle-row input{width:18px;min-height:18px;accent-color:#ffe26c}.sensor-debug{min-height:54px;padding:9px 10px;border-radius:6px;background:#090c0873;color:#f6f7e5b8;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;line-height:1.45;overflow-wrap:anywhere}input[type=range]{padding:0;accent-color:#ffe26c}output{color:#f6f7e5bd;font-size:13px}.status{margin:auto 0 0;padding-top:12px;border-top:1px solid rgba(246,247,229,.12);color:#f6f7e5b8;line-height:1.45}@media(max-width:840px){.app-shell{grid-template-columns:1fr;grid-template-rows:minmax(58vh,1fr) auto}.viewport,#sunCanvas{min-height:58vh}.controls{border-left:0;border-top:1px solid rgba(246,247,229,.12);padding:18px}}@media(max-width:480px){.coordinate-grid,.button-row{grid-template-columns:1fr}.readout{left:12px;right:12px;bottom:12px}.readout>div{min-width:min(100%,160px);flex:1}}