:root{--accent: #0050f0;--accent-soft: #e6eeff;--bg: #f7f8fa;--surface: #ffffff;--text: #16191f;--muted: #687078;--border: #e3e6ea;--danger: #c0392b;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:920px;margin:0 auto;padding:0 20px 40px}.topbar{display:flex;align-items:center;gap:24px;padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:24px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}.brand.big{font-size:22px;justify-content:center;margin-bottom:12px}.brand-mark{width:14px;height:14px;border-radius:4px;background:linear-gradient(135deg,var(--accent),#00d2ff);display:inline-block}nav{display:flex;gap:4px;flex:1}.tab{background:none;border:none;padding:8px 14px;border-radius:var(--radius);cursor:pointer;font-size:14px;color:var(--muted)}.tab.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.userbox{display:flex;align-items:center;gap:12px;font-size:13px}main{min-height:60vh}footer{margin-top:48px;font-size:13px;text-align:center}.centered{min-height:100vh;display:flex;align-items:center;justify-content:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.card.login{width:360px;padding:28px}.card.highlight{border-color:var(--accent);background:var(--accent-soft);word-break:break-all}.list{list-style:none;padding:0}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row.spread{justify-content:space-between}input,textarea,select{font:inherit;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);width:100%;margin-bottom:8px;background:var(--surface)}.row input,.row select{width:auto;flex:1;margin-bottom:0}textarea{min-height:70px;resize:vertical}button{font:inherit;font-weight:600;padding:9px 16px;border-radius:var(--radius);border:none;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.ghost{background:none;color:var(--accent);border:1px solid var(--border);font-weight:500}button.ghost.danger{color:var(--danger)}table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{background:var(--bg);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.disabled-row{opacity:.55}.muted{color:var(--muted)}.small{font-size:12px}.error{color:var(--danger)}code{background:var(--bg);padding:2px 6px;border-radius:4px;font-size:13px}.hero textarea{width:100%;resize:vertical;font:inherit}.badge{font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}.badge-naming,.badge-working{background:var(--accent-soft);color:var(--accent)}.badge-live{background:#e6f6ec;color:#1a7f43}.badge-error{background:#fbe7e4;color:var(--danger)}.project-row{padding:0}.project-open{display:block;width:100%;text-align:left;background:none;border:none;padding:14px 16px;cursor:pointer;color:inherit;font:inherit}.project-open:hover{background:var(--accent-soft)}.builder-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:12px}@media(max-width:800px){.builder-grid{grid-template-columns:1fr}}.chat{display:flex;flex-direction:column;gap:8px;max-height:60vh;overflow-y:auto;padding:4px}.msg{max-width:85%;padding:9px 13px;border-radius:14px;white-space:pre-wrap;word-break:break-word;line-height:1.4}.msg-user{align-self:flex-end;background:var(--accent);color:#fff}.msg-assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--border)}.msg-build{align-self:stretch;max-width:100%;background:var(--accent-soft);border:1px solid var(--accent);color:var(--text);font-weight:500}.composer{display:flex;gap:8px;margin-top:10px}.composer input{flex:1}.files{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.file{width:100%;text-align:left;background:none;border:none;padding:6px 8px;border-radius:6px;cursor:pointer;font:13px/1.4 ui-monospace,monospace;color:var(--text)}.file:hover,.file.active{background:var(--accent-soft)}.lock{margin-left:6px}.file-content{background:#0d1117;color:#e6edf3;padding:12px;border-radius:8px;overflow-x:auto;font-size:12px;max-height:50vh}.preview-note{margin:0 0 8px}.building-line{display:flex;align-items:center;gap:8px}.spinner{width:12px;height:12px;border:2px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.preview-tabs{display:flex;gap:4px;margin-bottom:8px}.preview-tabs button{background:none;border:1px solid var(--border);border-radius:8px;padding:4px 12px;font:inherit;font-size:13px;cursor:pointer;color:var(--muted)}.preview-tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}.preview-frame{width:100%;height:70vh;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.agent-card{background:#0d1117;border:1px solid #1f2937;border-radius:14px;padding:14px 16px;margin-bottom:12px;color:#e6edf3}.agent-headline{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;padding-bottom:10px}.agent-steps{border-top:1px solid #1f2937;padding-top:10px;display:flex;flex-direction:column;gap:7px}.agent-step{display:grid;grid-template-columns:16px 110px 1fr;align-items:start;gap:8px;font-size:13px;line-height:1.4}.step-icon{font-size:12px;text-align:center}.step-running{color:#3b82f6}.step-done{color:#34d399}.step-warn{color:#fbbf24}.step-agent{font-family:ui-monospace,monospace;font-size:12.5px}.step-msg{color:#9aa4b2}.file-size{color:var(--muted);font-size:11px;margin-left:8px}.agent-history{margin-bottom:12px}.agent-history>summary{cursor:pointer;font-size:13px;color:var(--muted);padding:6px 2px;-webkit-user-select:none;user-select:none}.agent-history>summary:hover{color:var(--accent)}.agent-history[open]>summary{margin-bottom:8px}.file-row{display:flex;align-items:flex-start;gap:4px}.file-row .file{flex:1}.copy-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:4px 9px;cursor:pointer;color:var(--muted);font-size:13px;line-height:1.4}.copy-btn:hover{background:var(--accent-soft);color:var(--accent)}.fullscreen-btn{margin-left:auto}.preview-overlay{position:fixed;inset:0;z-index:1000;background:#fff;display:flex;flex-direction:column}.preview-overlay-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--surface)}.preview-overlay-frame{flex:1;width:100%;border:none}.brand-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}@media(max-width:820px){.brand-grid{grid-template-columns:1fr}}.brand-page .card h3{margin:0 0 12px;font-size:15px}.field{display:block;margin-bottom:14px}.field .label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.02em}.field input,.field textarea{width:100%}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.chip{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:3px 10px;font-size:13px}.chip button{background:none;border:none;color:inherit;cursor:pointer;font-size:14px;line-height:1;padding:0}.chip .swatch{width:12px;height:12px;border-radius:3px;border:1px solid rgba(0,0,0,.15)}.color-input{width:44px;padding:2px;height:36px}.save-row{margin-top:16px;align-items:center}.extract-card{border-color:var(--accent);background:var(--accent-soft)}.extract-card h3{margin:0 0 4px;font-size:15px}.extract-card .row{margin-top:10px}.suggested{margin:10px 0}.suggest-chip{cursor:pointer;border:1px dashed var(--accent);background:var(--surface)}.suggest-chip:hover{background:var(--accent-soft)}.logo-preview{max-width:160px;max-height:64px;object-fit:contain;border:1px solid var(--border);border-radius:8px;padding:6px;background:#fff}.brand-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 4px}.brand-tab{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text);cursor:pointer}.brand-tab:hover{border-color:var(--accent)}.brand-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.brand-tab.new{border-style:dashed;color:var(--accent)}.brand-tab.new.active{color:#fff}.brand-tab .star{margin-right:5px;color:#f5b301}.brand-tab.active .star{color:#fff}