:root{color-scheme:dark;--bg-0:#0f1216;--bg-1:#161a20;--bg-2:#1d222a;--bg-3:#262d37;--border:#333c48;--border-strong:#47535f;--text-0:#f2f4f7;--text-1:#c3ccd6;--text-2:#8c97a5;--accent:#6ea8fe;--accent-strong:#4c8dfd;--accent-contrast:#06121f;--success:#58d68d;--warning:#f5c451;--danger:#ef7b7b;--danger-strong:#e05555;--focus-ring:#8fc1ff;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-elevated:0 8px 24px rgba(0,0,0,.35);--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg-0);color:var(--text-0);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;font-weight:600}p{margin:0}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:var(--accent)}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text-0);border-radius:var(--radius-sm);padding:7px 12px;font-size:13px;font-weight:500;line-height:1.2;transition:background-color .12s ease,border-color .12s ease}.btn:hover:not(:disabled){background:var(--bg-3);border-color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);font-weight:600}.btn-primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong)}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn-danger:hover:not(:disabled){background:hsla(0,78%,71%,.12)}.btn-sm{padding:4px 8px;font-size:12px}.btn-icon{padding:6px 9px}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}.field label{font-size:12px;font-weight:600;color:var(--text-1);text-transform:uppercase;letter-spacing:.03em}.field .hint{font-size:11px;color:var(--text-2);text-transform:none;letter-spacing:normal;font-weight:400}input[type=number],input[type=password],input[type=search],input[type=text],select,textarea{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-0);padding:7px 9px;width:100%}textarea{resize:vertical;min-height:64px}input[type=color]{width:34px;height:28px;padding:2px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-1)}input[type=checkbox],input[type=radio]{width:15px;height:15px}.card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;border:1px solid var(--border-strong);color:var(--text-1);white-space:nowrap}.badge-success{color:var(--success);border-color:var(--success)}.badge-warning{color:var(--warning);border-color:var(--warning)}.badge-danger{color:var(--danger);border-color:var(--danger)}.badge-accent{color:var(--accent);border-color:var(--accent)}.banner{border-radius:var(--radius-sm);padding:8px 11px;font-size:12.5px;border:1px solid var(--border);background:var(--bg-2)}.banner-danger{border-color:var(--danger);background:hsla(0,78%,71%,.1);color:#ffd7d7}.banner-warning{border-color:var(--warning);background:rgba(245,196,81,.1);color:#ffe9b8}.banner-info{border-color:var(--accent);background:rgba(110,168,254,.1);color:#d6e6ff}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid hsla(0,0%,100%,.25);border-top-color:currentcolor;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 20% 20%,rgba(110,168,254,.12),transparent 45%),var(--bg-0)}.auth-card{width:100%;max-width:360px;padding:28px}.auth-card h1{font-size:20px;margin-bottom:4px}.auth-card .lede{color:var(--text-2);font-size:13px;margin-bottom:20px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;gap:16px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--bg-1);flex-wrap:wrap}.app-header .brand{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}.app-header .spacer{flex:1 1}.project-switcher{display:flex;align-items:center;gap:8px;min-width:0}.project-switcher select{min-width:160px;max-width:260px}.app-main{flex:1 1;display:flex;min-height:0}.dashboard{max-width:980px;margin:0 auto;padding:40px 20px;width:100%}.dashboard h2{font-size:18px;margin-bottom:4px}.dashboard .lede{color:var(--text-2);margin-bottom:20px}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:14px;gap:14px}.project-card{padding:16px;text-align:left;display:flex;flex-direction:column;gap:8px;align-items:stretch}.project-card:hover{border-color:var(--accent)}.project-card .name{font-weight:600;font-size:14px}.project-card .meta{color:var(--text-2);font-size:12px}.new-project-card{padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:110px;border-style:dashed;color:var(--text-1);background:transparent}.new-project-card:hover{border-color:var(--accent);color:var(--accent)}.modal-overlay{position:fixed;inset:0;background:rgba(4,6,9,.6);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{width:100%;max-width:420px;padding:20px;box-shadow:var(--shadow-elevated);max-height:90vh;overflow-y:auto}.modal h2{font-size:16px;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.radio-row{display:flex;gap:14px}.radio-option{display:flex;align-items:center;gap:6px;font-size:13px;text-transform:none;font-weight:500;color:var(--text-0)}.workspace{flex:1 1;display:grid;grid-template-columns:300px 1fr 320px;min-height:0;width:100%}.pane{min-height:0;display:flex;flex-direction:column;overflow:hidden}.pane-left,.pane-right{background:var(--bg-1)}.pane-left{border-right:1px solid var(--border)}.pane-right{border-left:1px solid var(--border)}.pane-header{padding:12px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}.pane-header h2{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-1)}.pane-body{flex:1 1;overflow-y:auto;padding:14px}.pane-center{background:var(--bg-0)}.canvas-toolbar{gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);flex-wrap:wrap;background:var(--bg-1)}.canvas-toolbar,.toolbar-group{display:flex;align-items:center}.toolbar-group{gap:4px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px}.toolbar-group .btn{border:none;background:transparent}.toolbar-group .btn[aria-pressed=true]{background:var(--bg-3);color:var(--accent)}.zoom-readout{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:12px;color:var(--text-1);min-width:44px;text-align:center}.canvas-viewport{flex:1 1;overflow:auto;display:flex;align-items:center;justify-content:center;padding:24px;position:relative}.canvas-viewport.bg-light{background:#f4f5f7}.canvas-viewport.bg-dark{background:#14161a}.canvas-viewport.bg-checker{background-image:linear-gradient(45deg,#4b4f56 25%,transparent 0),linear-gradient(-45deg,#4b4f56 25%,transparent 0),linear-gradient(45deg,transparent 75%,#4b4f56 0),linear-gradient(-45deg,transparent 75%,#4b4f56 0);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#2b2d31}.canvas-empty{color:var(--text-2);text-align:center;max-width:320px}.canvas-image-wrap{image-rendering:auto}.canvas-image-wrap img{display:block;max-width:none}.small-previews{display:flex;align-items:flex-end;gap:16px;padding:10px 12px;border-top:1px solid var(--border);background:var(--bg-1);overflow-x:auto}.small-preview-item{display:flex;flex-direction:column;align-items:center;gap:4px}.small-preview-swatch{display:flex;align-items:center;justify-content:center;background:#fff;border-radius:3px;border:1px solid var(--border);overflow:hidden}.small-preview-swatch img{display:block}.small-preview-item .label{font-size:10px;color:var(--text-2)}.validation-panel{padding:8px 12px;border-top:1px solid var(--border);background:var(--bg-1);display:flex;flex-direction:column;gap:6px}.validation-list{margin:0;padding-left:18px;font-size:12px}.version-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.version-item{border:1px solid var(--border);border-radius:var(--radius-md);padding:8px;display:flex;gap:8px;background:var(--bg-2)}.version-item.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.version-thumb{width:48px;height:48px;flex-shrink:0;border-radius:var(--radius-sm);background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--border)}.version-thumb img{max-width:100%;max-height:100%}.version-info{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:4px}.version-prompt{font-size:12.5px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.version-meta-row{display:flex;gap:6px;flex-wrap:wrap;font-size:11px;color:var(--text-2);align-items:center}.version-actions{display:flex;gap:4px;flex-wrap:wrap;margin-top:2px}.branch-indent{border-left:2px solid var(--border-strong);padding-left:8px}@media (max-width:1180px){.workspace{grid-template-columns:260px 1fr 280px}}@media (max-width:900px){.workspace{grid-template-columns:1fr;grid-auto-rows:min-content}.pane-left,.pane-right{border:none;border-bottom:1px solid var(--border)}.pane-body{max-height:46vh}.pane-center{min-height:50vh}}.tabbar{display:none}@media (max-width:900px){.tabbar{display:flex;border-bottom:1px solid var(--border);background:var(--bg-1)}.tabbar button{flex:1 1;border-radius:0;background:transparent;padding:10px;font-size:12px;font-weight:600;color:var(--text-2);border:none;border-bottom:2px solid transparent}.tabbar button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}.workspace>.pane{display:none}.workspace>.pane.tab-active{display:flex}}.color-swatch-row{display:flex;flex-wrap:wrap;gap:6px}.color-chip{display:flex;align-items:center;gap:4px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:3px 4px;background:var(--bg-1)}.color-chip .swatch{width:16px;height:16px;border-radius:3px;border:1px solid var(--border-strong)}.color-chip button{background:none;border:none;color:var(--text-2);padding:0 2px;font-size:13px;line-height:1}.color-chip button:hover{color:var(--danger)}.cost-box{display:flex;justify-content:space-between;font-size:12px;color:var(--text-1);padding:8px 10px;border:1px dashed var(--border-strong);border-radius:var(--radius-sm);margin-bottom:12px}.action-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.compare-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}@media (max-width:640px){.compare-grid{grid-template-columns:1fr}}.compare-col{display:flex;flex-direction:column;gap:8px}.compare-col img{width:100%;background:#fff;border-radius:var(--radius-sm);border:1px solid var(--border)}