:root{color:#1d2528;background:#f7f8f6;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;background:linear-gradient(180deg,#ffffffd1,#f7f8f6f0),#f7f8f6}button,input,select{font:inherit}.app-shell{width:min(1440px,100%);margin:0 auto;padding:26px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.topbar h1{margin:0;color:#172023;font-size:clamp(28px,4vw,46px);line-height:1.02;font-weight:760;letter-spacing:0}.topbar p{margin:8px 0 0;color:#637075;font-size:16px}.upload-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:0 16px;border:1px solid #11262a;border-radius:8px;background:#143034;color:#fff;font-weight:700;cursor:pointer;white-space:nowrap}.upload-button input{display:none}.workspace{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(420px,.65fr);gap:20px}.preview-panel,.results-panel{border:1px solid #dfe4e1;border-radius:8px;background:#ffffffeb;box-shadow:0 16px 60px #13222614}.preview-panel{padding:16px}.image-stage{position:relative;display:grid;place-items:center;min-height:540px;overflow:hidden;border-radius:8px;background:linear-gradient(135deg,rgba(29,95,101,.08),transparent 42%),#ecefeb}.image-frame{position:relative;display:inline-grid;max-width:min(86%,760px);max-height:500px}.image-frame img{width:min(86%,760px);width:100%;max-height:500px;object-fit:contain;filter:drop-shadow(0 22px 30px rgba(20,31,34,.18))}.image-pick{position:absolute;display:grid;place-items:center;width:28px;height:28px;border:3px solid #ffffff;border-radius:50%;box-shadow:0 0 0 1px #172023,0 8px 18px #0d181c38;color:#172023;cursor:grab;font-size:12px;font-weight:900;line-height:1;text-shadow:0 1px 0 rgba(255,255,255,.9);transform:translate(-50%,-50%);touch-action:none}.image-pick:active{cursor:grabbing}.test-strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin-top:14px}.view-strip{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.view-strip button{min-height:32px;padding:0 10px;border:1px solid #d7dfdb;border-radius:8px;background:#fff;color:#526165;cursor:pointer;font-size:12px;font-weight:780}.view-strip button.active{border-color:#187878;background:#187878;color:#fff}.test-tile{display:grid;grid-template-columns:58px minmax(0,1fr);grid-template-rows:auto auto;column-gap:10px;align-items:center;padding:9px;border:1px solid #d9dfdc;border-radius:8px;background:#fff;color:#1d2528;text-align:left;cursor:pointer}.test-tile.active{border-color:#187878;box-shadow:0 0 0 3px #18787824}.test-tile img{grid-row:span 2;width:58px;height:48px;object-fit:cover;border-radius:6px;background:#f0f2ef}.test-tile span{min-width:0;overflow:hidden;color:#1e2a2d;font-size:13px;font-weight:760;text-overflow:ellipsis;white-space:nowrap}.test-tile small{min-width:0;overflow:hidden;color:#6d777a;font-size:11px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.results-panel{display:flex;flex-direction:column;gap:14px;padding:16px}.controls{display:grid;gap:12px;padding:14px;border:1px solid #e1e6e3;border-radius:8px;background:#fbfcfb}.control-title{display:flex;align-items:center;gap:8px;color:#25383c;font-size:14px;font-weight:800}.controls label{display:grid;grid-template-columns:72px 1fr 32px;align-items:center;gap:10px;color:#526165;font-size:13px;font-weight:650}.controls input[type=range]{accent-color:#187878}.controls select{grid-column:span 2;min-height:36px;border:1px solid #cad3cf;border-radius:8px;background:#fff;color:#1d2528;padding:0 10px}.controls .toggle{display:flex;align-items:center;gap:9px}.controls .toggle input{width:18px;height:18px;accent-color:#187878}.result-summary{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:13px 14px;border:1px solid #e1e6e3;border-radius:8px}.result-summary span,.result-summary small{color:#6b777a;font-size:12px;font-weight:650}.result-summary strong{color:#182326;font-size:28px;line-height:1}.result-summary small{grid-column:1 / -1}.editor-panel{display:grid;gap:10px;padding:13px;border:1px solid #e1e6e3;border-radius:8px;background:#fbfcfb}.panel-heading{display:flex;align-items:center;gap:8px;color:#25383c;font-size:14px;font-weight:800}.segmented{display:inline-flex;gap:4px;margin-left:auto;padding:3px;border:1px solid #d7dfdb;border-radius:8px;background:#fff}.segmented button{min-height:28px;padding:0 10px;border:0;border-radius:6px;background:transparent;color:#526165;cursor:pointer;font-size:11px;font-weight:760}.segmented button.active{background:#187878;color:#fff}.color-space{position:relative;aspect-ratio:1;overflow:hidden;border:1px solid #e1e6e3;border-radius:8px;background:#f2f4f2}.color-space svg{width:100%;height:100%;touch-action:none}.color-space rect{fill:#f8faf8}.color-space line{stroke:#52616533;stroke-width:.35}.space-point{opacity:.72}.space-pick{cursor:grab}.space-pick:active{cursor:grabbing}.space-pick circle:first-child{stroke:#172023;stroke-width:.35}.space-pick text{fill:#172023;font-size:4px;font-weight:900;paint-order:stroke;pointer-events:none;stroke:#fff;stroke-width:.8px;text-anchor:middle}.palette{display:grid;gap:10px}.color-row{display:grid;grid-template-columns:54px minmax(0,1fr);gap:12px;padding:11px;border:1px solid #e0e5e2;border-radius:8px;background:#fff}.swatch{width:54px;min-height:78px;border:1px solid rgba(0,0,0,.08);border-radius:8px}.color-meta{min-width:0}.color-meta>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.color-meta strong{color:#172023;font-size:15px;text-transform:capitalize}.color-meta code{color:#586669;font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.bar{height:7px;margin:9px 0 6px;overflow:hidden;border-radius:999px;background:#edf0ee}.bar span{display:block;height:100%;border-radius:inherit}.store-match{grid-column:1 / -1;display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px;border:1px solid #e2e7e4;border-radius:8px;background:#f8faf8}.store-swatch{width:28px;height:28px;border:1px solid rgba(0,0,0,.12);border-radius:6px}.store-copy{min-width:0;display:grid;gap:2px}.store-copy strong{color:#172023;font-size:13px}.store-copy span,.store-copy small{overflow:hidden;color:#5d686b;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.store-link{padding:7px 10px;border-radius:7px;background:#0f3638;color:#fff;font-size:12px;font-weight:800;text-decoration:none}.store-link:hover{background:#17676a}.color-meta small,.match small{color:#697477;font-size:11px}.error{margin:0;padding:14px;border-radius:8px;background:#fff1ed;color:#9a3412;font-weight:700}@media(max-width:1040px){.workspace{grid-template-columns:1fr}.results-panel{display:grid;grid-template-columns:minmax(280px,.8fr) 1.2fr;align-items:start}.palette,.editor-panel{grid-column:1 / -1}.test-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:740px){.app-shell{padding:16px}.topbar{align-items:stretch;flex-direction:column}.image-stage{min-height:360px}.test-strip,.results-panel{grid-template-columns:1fr}.test-tile span,.test-tile small{white-space:normal}}