:root{color:#1f2528;background:#f4f2ed;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}.app-layout{display:grid;grid-template-columns:minmax(280px,340px) minmax(0,1fr);height:100vh;min-height:100vh;overflow:hidden}.controls-panel{display:flex;flex-direction:column;gap:18px;height:100vh;min-height:100vh;padding:22px;background:#fbfaf7;border-right:1px solid #d9d3c8;overflow-y:auto}.panel-heading h1{margin:0;font-size:1.45rem;font-weight:760;letter-spacing:0}.panel-heading p{margin:6px 0 0;color:#657074;font-size:.92rem;line-height:1.35}.control-grid{display:grid;gap:12px}.control-field{display:grid;gap:6px}.control-field span{color:#394247;font-size:.82rem;font-weight:680}.control-field input,.preset-select{width:100%;min-height:38px;padding:8px 10px;color:#1f2528;background:#fff;border:1px solid #c9d0d2;border-radius:6px}.control-field input:focus,.preset-select:focus{border-color:#347a82;outline:2px solid rgba(52,122,130,.2)}.control-field input.is-invalid,.control-field input:invalid{border-color:#b85d45;outline-color:#b85d452e}.daylight-slider-field,.date-slider-field{padding:10px 0 2px}.slider-heading{display:flex;justify-content:space-between;gap:12px}.time-slider-value{color:#2f6f78;font-size:.82rem;font-variant-numeric:tabular-nums}.time-slider,.date-slider{width:100%;accent-color:#2f6f78}.button-grid{display:grid;gap:8px}.time-actions,.orientation-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.control-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wide-action{grid-column:1 / -1}.primary-button,.secondary-button{min-height:40px;border-radius:6px;cursor:pointer;font-weight:700}.primary-button{color:#fff;background:#2f6f78;border:0}.primary-button:hover{background:#255d65}.secondary-button{color:#2f575d;background:#fff;border:1px solid #b8c8cc}.secondary-button:hover{background:#edf4f5}.button-grid .secondary-button{min-height:34px;padding:6px 4px;font-size:.8rem}.solar-readout{display:grid;gap:8px;margin:0;padding-top:16px;border-top:1px solid #d9d3c8}.solar-readout div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:baseline}.solar-readout dt{color:#5e686c;font-size:.82rem}.solar-readout dd{margin:0;color:#20292d;font-size:.88rem;font-variant-numeric:tabular-nums;font-weight:720}.scene-shell{position:relative;min-width:0;height:100vh;min-height:100vh;background:#b9d2e4}.scene-shell canvas{display:block;width:100%;height:100%}@media (max-width: 760px){.app-layout{grid-template-columns:1fr;grid-template-rows:auto minmax(460px,1fr);height:auto;overflow:visible}.controls-panel{height:auto;min-height:auto;border-right:0;border-bottom:1px solid #d9d3c8}.scene-shell{height:460px;min-height:460px}}