:root{color-scheme:light;--paper: #f4f3ef;--paper-strong: #fbfaf7;--ink: #20211d;--muted: #686a61;--line: rgba(32, 33, 29, .14);--line-strong: rgba(32, 33, 29, .24);--green: #203d34;--green-soft: #e7ece8;--burgundy: #7c2e39;--blue-soft: #e2eaec;--amber: #f59e0b}*{box-sizing:border-box}html{min-height:100%;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;margin:0;background:var(--paper)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.72}:focus-visible{outline:2px solid var(--green);outline-offset:3px}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:20;display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);background:#f4f3efe6;padding:0 max(16px,calc((100vw - 1440px)/2 + 16px));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:10px;color:inherit;text-decoration:none}.brand span{display:grid;width:32px;height:32px;place-items:center;border:1px solid var(--line-strong);border-radius:8px;color:var(--green);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.74rem;font-weight:700}.hero{border-bottom:1px solid var(--line);background:var(--paper-strong)}.hero>div{width:min(1440px,calc(100vw - 32px));margin:0 auto;padding:30px 0 28px}.hero h1{margin:0;font-size:clamp(3rem,8vw,7rem);font-weight:700;letter-spacing:0;line-height:.9}.hero p{max-width:780px;margin:18px 0 0;color:var(--muted);font-size:1.08rem;line-height:1.65}.workspace{display:grid;width:min(1440px,calc(100vw - 32px));grid-template-columns:330px minmax(0,1fr) 310px;gap:16px;margin:0 auto;padding:16px 0 40px}.rail{display:grid;align-content:start;gap:16px}.panel,.stage-panel{border:1px solid var(--line);border-radius:8px;background:var(--paper-strong);padding:16px}.panel-title{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--burgundy)}.panel-title h2{margin:0;font-size:.88rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.drop{display:flex;min-height:50px;align-items:center;gap:12px;margin-top:10px;border:1px dashed var(--line);border-radius:8px;background:#ffffff8c;color:var(--muted);padding:10px 12px;transition:border-color .16s ease,color .16s ease,background-color .16s ease}.drop:hover{border-color:var(--green);background:#fff;color:var(--ink)}.drop span{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drop input[type=file]{display:none}.field{display:grid;gap:7px;margin-top:12px;color:var(--muted);font-size:.76rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.field input,.field select,.row-picker input{width:100%;min-height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:0 11px}.field select{text-transform:none}.segmented{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;border:1px solid var(--line);border-radius:8px;background:#ffffff94;padding:4px}.segmented button{min-height:40px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-weight:750}.segmented button.selected{background:var(--green);color:var(--paper-strong)}.primary,.secondary{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:9px;border-radius:8px;padding:0 16px;font-weight:800}.primary{border:1px solid var(--green);background:var(--green);color:var(--paper-strong)}.secondary{border:1px solid var(--green);background:transparent;color:var(--ink)}.full{width:100%;margin-top:12px}.stage-panel{background:var(--green-soft)}.stage-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}.stage-head h2{margin:0;font-size:1.35rem}.stage-head p{margin:6px 0 0;color:var(--muted);font-size:.92rem}.row-picker{display:flex;align-items:center;gap:8px;color:var(--muted)}.row-picker input{width:78px}.canvas{position:relative;display:grid;width:100%;place-items:center;overflow:hidden;border:1px solid var(--line-strong);border-radius:8px;background:#fff;box-shadow:0 10px 30px #20211d14}.design{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;-webkit-user-select:none;user-select:none}.empty{display:grid;place-items:center;gap:12px;color:var(--muted);padding:44px;text-align:center}.placement{position:absolute;display:grid;place-items:center;border:2px solid var(--amber);background:#fff;box-shadow:0 0 0 9999px #20211d09,0 14px 34px #20211d38;cursor:move;padding:4px;touch-action:none;transform-origin:center}.placement span{color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;font-weight:900;text-transform:uppercase}.code-preview{width:100%;height:100%;object-fit:contain;-webkit-user-select:none;user-select:none}.resize-handle{position:absolute;right:-10px;bottom:-10px;width:22px;height:22px;border:2px solid white;border-radius:999px;background:var(--amber);cursor:nwse-resize}.placement-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:12px}.rotation-control{grid-column:1 / -1;display:grid;gap:8px;border-top:1px solid var(--line);padding-top:12px}.rotation-control label{color:var(--muted);font-size:.76rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.rotation-row{display:grid;grid-template-columns:42px minmax(0,1fr) 42px 88px;gap:8px;align-items:center}.rotation-row input[type=range]{width:100%;accent-color:var(--green)}.rotation-number{min-height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:0 9px}.icon-button{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--green)}.metric{display:grid;grid-template-columns:.45fr .55fr;gap:10px;border-bottom:1px solid var(--line);padding:10px 0;font-size:.92rem}.metric:first-of-type{padding-top:0}.metric span{color:var(--muted)}.metric strong{min-width:0;overflow:hidden;text-align:right;text-overflow:ellipsis;white-space:nowrap}.progress{height:8px;overflow:hidden;border-radius:999px;background:var(--blue-soft);margin-top:14px}.progress span{display:block;height:100%;background:var(--green);transition:width .16s ease}.status{min-height:42px;margin:12px 0 0;color:var(--muted);font-size:.92rem;line-height:1.45}.preview-table{width:100%;border-collapse:collapse;overflow:hidden;border:1px solid var(--line);border-radius:8px;font-size:.8rem}.preview-table th,.preview-table td{max-width:130px;overflow:hidden;border-bottom:1px solid var(--line);padding:10px;text-align:left;text-overflow:ellipsis;white-space:nowrap}.preview-table th{background:var(--blue-soft);color:var(--muted);font-weight:800}.preview-table td:last-child{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}@media(max-width:1180px){.workspace{grid-template-columns:320px minmax(0,1fr)}.workspace>.rail:last-child{grid-column:1 / -1;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:820px){.topbar{position:static}.top-export{display:none}.hero>div,.workspace{width:min(100vw - 24px,720px)}.hero h1{font-size:clamp(2.4rem,13vw,4.5rem)}.workspace{grid-template-columns:1fr}.workspace>.rail:last-child{grid-template-columns:1fr}.placement-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.rotation-row{grid-template-columns:42px minmax(0,1fr) 42px}.rotation-number{grid-column:1 / -1}}