:root{color-scheme:light;font-family:Aptos,Neue Haas Grotesk Text,Helvetica Neue,sans-serif;background:#eee8dc;color:#24211e;--ink: #24211e;--muted: #706c63;--paper: #fbf8ef;--panel: rgba(255, 252, 243, .82);--line: #d8d0c1;--blue: #1f6f97;--blue-deep: #174b67;--amber: #c77a2c;--soft-shadow: 0 24px 80px rgba(48, 38, 28, .12)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 12% 8%,rgba(239,194,104,.22),transparent 30%),radial-gradient(circle at 90% 10%,rgba(49,128,160,.18),transparent 32%),linear-gradient(135deg,#e9e2d5,#f4efe5 42%,#e3ded2)}button,input,select{font:inherit}button{border:0}.app-shell{width:min(1480px,calc(100% - 40px));margin:0 auto;padding:34px 0 48px}.hero{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end;margin-bottom:28px}.eyebrow{margin:0 0 12px;color:var(--blue-deep);font-family:SF Mono,Cascadia Mono,Roboto Mono,monospace;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{max-width:980px;margin-bottom:18px;font-size:clamp(36px,5vw,74px);line-height:.95;letter-spacing:-.062em}h2{margin-bottom:0;font-size:20px;line-height:1.15;letter-spacing:-.03em}.hero-copy{max-width:820px;margin-bottom:0;color:var(--muted);font-size:17px;line-height:1.8}.hero-card{width:250px;padding:22px;border:1px solid rgba(36,33,30,.12);border-radius:28px;background:#fbf8efad;box-shadow:var(--soft-shadow)}.hero-card span,.file-card span{display:block;margin-bottom:7px;color:var(--muted);font-family:SF Mono,Cascadia Mono,monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase}.hero-card strong,.file-card strong{display:block;font-size:18px;letter-spacing:-.03em}.workspace{display:grid;grid-template-columns:minmax(240px,300px) minmax(0,1fr) minmax(260px,320px);gap:18px;align-items:stretch}.panel,.canvas-panel{border:1px solid rgba(36,33,30,.12);border-radius:34px;background:var(--panel);box-shadow:var(--soft-shadow);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}.panel{padding:20px}.panel-heading{display:flex;gap:12px;align-items:center;margin-bottom:20px}.panel-heading span{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;background:#e7ded0;color:var(--blue-deep);font-family:SF Mono,Cascadia Mono,monospace;font-size:12px;font-weight:700}.drop-zone{display:flex;min-height:250px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:1px dashed rgba(31,111,151,.44);border-radius:28px;background:linear-gradient(135deg,rgba(31,111,151,.08),transparent),#ffffff52;padding:24px;text-align:center;transition:transform .18s ease,border-color .18s ease,background .18s ease}.drop-zone:hover{transform:translateY(-2px);border-color:var(--blue);background:#ffffff94}.drop-zone input{display:none}.upload-icon{display:grid;width:74px;height:74px;place-items:center;border-radius:24px;background:#1f2f38;color:#f8efe0;font-family:SF Mono,Cascadia Mono,monospace;font-size:16px;font-weight:800;letter-spacing:-.06em}.drop-zone strong{max-width:100%;overflow:hidden;font-size:18px;text-overflow:ellipsis;white-space:nowrap}.drop-zone small,.file-card small,.status-note{color:var(--muted);line-height:1.5}.status-note{margin:14px 0 0;border-radius:16px;background:#ffffff6b;padding:12px;font-size:13px}.primary-button,.ghost-button,.download-button{width:100%;min-height:52px;cursor:pointer;border-radius:999px;font-weight:800;letter-spacing:-.01em;transition:transform .18s ease,opacity .18s ease,background .18s ease}.primary-button{margin-top:16px;background:var(--ink);color:#fff8ea}.ghost-button{margin-top:10px;border:1px solid rgba(36,33,30,.14);background:#ffffff6b;color:var(--ink)}.primary-button:hover,.ghost-button:hover,.download-button:hover{transform:translateY(-1px)}.primary-button:hover,.download-button:hover{background:#11100f}.ghost-button:hover{background:#ffffffb3}.primary-button:disabled,.ghost-button:disabled,.download-button:disabled{cursor:not-allowed;opacity:.42;transform:none}.pipeline{display:grid;gap:9px;margin-top:18px}.step{display:flex;min-height:40px;align-items:center;gap:11px;border-radius:16px;color:var(--muted);font-size:13px}.step span{display:grid;width:30px;height:30px;place-items:center;border-radius:50%;background:#ebe3d6;font-family:SF Mono,Cascadia Mono,monospace;font-size:10px;font-weight:700}.step.active{color:var(--ink);font-weight:700}.step.active span{background:var(--blue);color:#fff}.canvas-panel{min-width:0;padding:20px}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.progress-meter{min-width:210px}.progress-meter span{display:block;margin-bottom:7px;text-align:right;color:var(--blue-deep);font-family:SF Mono,Cascadia Mono,monospace;font-size:12px;font-weight:800}.progress-meter div{height:8px;overflow:hidden;border-radius:999px;background:#ded5c6}.progress-meter i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--amber));transition:width .32s ease}.preview-grid{display:grid;min-height:560px;grid-template-columns:.84fr 1.16fr;gap:14px}.image-preview,.cad-preview{overflow:hidden;border:1px solid rgba(36,33,30,.1);border-radius:28px;background:#ffffff6b}.image-preview img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.04)}.empty-preview{display:grid;height:100%;min-height:450px;place-items:center;padding:36px;text-align:center}.empty-preview span{display:block;color:#24211e2e;font-size:clamp(42px,6vw,72px);font-weight:900;letter-spacing:-.08em}.empty-preview p{color:var(--muted)}.cad-preview{display:grid;place-items:center;padding:16px;background:linear-gradient(120deg,rgba(31,111,151,.08),transparent),#f7f2e8}.cad-paper{width:100%;aspect-ratio:1.22;overflow:hidden;border-radius:22px;background:var(--paper);box-shadow:inset 0 0 0 1px #24211e1a}.cad-paper svg{display:block;width:100%;height:100%}.cad-line{vector-effect:non-scaling-stroke;stroke-linecap:square}.walls{stroke:#23211f;stroke-width:72}.openings{stroke:#1f6f97;stroke-width:86}.trace{stroke:#a09a91;stroke-width:28;stroke-dasharray:140 90}.cad-text{fill:#b76e22;font-family:SF Mono,Cascadia Mono,monospace;font-size:230px;font-weight:700}.placeholder-plan rect,.placeholder-plan path{fill:none;stroke:#24211e38;stroke-width:58;vector-effect:non-scaling-stroke}.placeholder-plan path:last-child{stroke:#9a9a9294;stroke-dasharray:160 110;stroke-width:32}.setting{display:grid;gap:10px;margin-bottom:18px}.setting label{color:var(--muted);font-size:13px;font-weight:800}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:7px;border-radius:999px;background:#e7ded0;padding:6px}.segmented button{min-height:40px;cursor:pointer;border-radius:999px;background:transparent;color:var(--muted);font-weight:800}.segmented button.selected{background:var(--paper);color:var(--ink);box-shadow:0 8px 22px #30261c1f}.warning{margin:0;border-radius:16px;background:#c77a2c1f;color:#7c4818;padding:12px;font-size:13px;line-height:1.55}.provider-note{margin:0;color:#a44d24;font-size:12px;line-height:1.45}.provider-note.ready{color:#216442}select,input[type=range]{width:100%}select{min-height:46px;border:1px solid rgba(36,33,30,.12);border-radius:16px;background:#ffffff85;color:var(--ink);padding:0 12px}input[type=range]{accent-color:var(--blue)}.toggle{display:flex;align-items:center;gap:11px;margin:8px 0 18px;color:var(--ink);font-size:14px;font-weight:700}.toggle input{display:none}.toggle span{position:relative;width:48px;height:28px;border-radius:999px;background:#d8d0c1;transition:background .18s ease}.toggle span:after{position:absolute;top:4px;left:4px;width:20px;height:20px;border-radius:50%;background:#fffaf0;content:"";transition:transform .18s ease}.toggle input:checked+span{background:var(--blue)}.toggle input:checked+span:after{transform:translate(20px)}.layers{display:grid;gap:9px;margin-top:16px}.layers div{display:grid;grid-template-columns:10px 88px 1fr;gap:10px;align-items:center;border-radius:16px;background:#fff6;padding:10px}.layers i{width:10px;height:10px;border-radius:50%}.layers span{font-family:SF Mono,Cascadia Mono,monospace;font-size:11px;font-weight:800}.layers strong{text-align:right;color:var(--muted);font-size:12px}.file-card{margin-top:16px;border:1px solid rgba(36,33,30,.1);border-radius:24px;background:#ffffff6b;padding:16px}.project-list{display:grid;gap:8px;margin-top:14px;border:1px solid rgba(36,33,30,.1);border-radius:20px;background:#ffffff57;padding:12px}.project-list-heading,.project-list button{display:flex;align-items:center;justify-content:space-between;gap:10px}.project-list-heading strong{color:var(--ink);font-size:14px}.project-list-heading button{border:0;background:transparent;color:var(--blue);font-weight:800;cursor:pointer}.project-list>button{min-height:44px;border:1px solid rgba(36,33,30,.09);border-radius:14px;background:#fffaf09e;color:var(--ink);padding:0 12px;text-align:left;cursor:pointer}.project-list>button:disabled{cursor:not-allowed;opacity:.55}.project-list span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-list small{flex:0 0 auto;color:var(--muted)}.editor-backdrop{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:#1614126b;padding:24px}.drawing-editor{width:min(1180px,100%);max-height:min(860px,calc(100vh - 48px));overflow:auto;border:1px solid rgba(36,33,30,.14);border-radius:28px;background:#fbf8ef;box-shadow:0 32px 100px #120f0c47;padding:20px}.editor-header,.editor-actions,.editor-tools{display:flex;align-items:center;gap:12px}.editor-header{justify-content:space-between;margin-bottom:16px}.editor-actions .primary-button,.editor-actions .ghost-button,.editor-tools .ghost-button{width:auto;min-height:44px;padding:0 18px}.editor-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px}.editor-canvas{overflow:hidden;border:1px solid rgba(36,33,30,.12);border-radius:18px;background:#f7f2e8;aspect-ratio:1.42}.editor-canvas svg{display:block;width:100%;height:100%;touch-action:none}.selected-line{stroke-width:120;filter:drop-shadow(0 0 10px rgba(31,111,151,.28))}.selected-text{paint-order:stroke;stroke:#fffaf0eb;stroke-width:90px;filter:drop-shadow(0 4px 10px rgba(183,110,34,.24))}.editor-handle{cursor:grab;stroke:#fffaf0;stroke-width:72;vector-effect:non-scaling-stroke}.editor-handle.start{fill:#1f6f97}.editor-handle.end{fill:#c77a2c}.editor-side{display:grid;align-content:start;gap:14px}.editor-side label,.line-inspector label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:800}.editor-side input,.editor-side select,.line-inspector input,.line-inspector select{min-height:42px;min-width:0;border:1px solid rgba(36,33,30,.14);border-radius:14px;background:#ffffffa3;color:var(--ink);padding:0 10px}.ghost-button.danger{color:#8a2d18}.ghost-button.danger:disabled{color:var(--muted)}.line-inspector{display:grid;gap:14px;border:1px solid rgba(36,33,30,.1);border-radius:18px;background:#ffffff6b;padding:14px}.text-inspector{background:#fff8eb94}.empty-editor-note{margin:0;color:var(--muted);font-size:13px}.coordinate-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:1120px){.workspace{grid-template-columns:1fr}.panel,.canvas-panel{border-radius:28px}.upload-panel,.export-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel-heading,.drop-zone,.primary-button,.ghost-button,.pipeline,.download-button,.file-card{grid-column:1 / -1}}@media(max-width:760px){.app-shell{width:min(100% - 24px,1480px);padding-top:20px}.hero,.preview-toolbar,.preview-grid,.upload-panel,.export-panel{grid-template-columns:1fr}.hero-card,.progress-meter{width:100%;min-width:0}h1{font-size:clamp(34px,13vw,54px)}.preview-grid{min-height:0}.image-preview,.empty-preview{min-height:280px}.editor-backdrop{padding:12px}.drawing-editor{max-height:calc(100vh - 24px);border-radius:22px;padding:14px}.editor-header,.editor-actions,.editor-tools{align-items:stretch;flex-direction:column}.editor-layout{grid-template-columns:1fr}.editor-canvas{aspect-ratio:1.1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}