:root{--green:#78be20;--dark:#17212b;--text:#1f2933;--muted:#667085;--bg:#f5f7f5;--card:#fff;--line:#e5e7eb;--red:#ef4444;--amber:#f59e0b;--ok:#22c55e}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}button{border:0;border-radius:12px;padding:11px 14px;background:var(--green);color:#102000;font-weight:800;cursor:pointer}button.secondary{background:#eef2ea;color:var(--text)}button.danger{background:#fee2e2;color:#991b1b}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;background:white}label{display:block;margin-bottom:6px;color:var(--muted);font-size:12px;font-weight:800}.app-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;display:flex;gap:12px;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px}.logo{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--green);color:white;font-size:23px;font-weight:900}.header-title h1{margin:0;font-size:20px}.header-title p{margin:3px 0 0;color:var(--muted);font-size:13px}.shell{max-width:1240px;margin:0 auto;padding:16px}.project-banner{background:var(--dark);color:#fff;border-radius:18px;padding:16px;display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.project-banner h2{margin:0;font-size:21px}.pill{display:inline-flex;border-radius:999px;padding:6px 10px;background:rgba(255,255,255,.13);font-size:13px;font-weight:800;margin-top:7px}.grid{display:grid;grid-template-columns:310px 1fr;grid-gap:16px;gap:16px;align-items:start}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.project-card{border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px;cursor:pointer;background:white}.project-card.active{border-color:var(--green);box-shadow:0 0 0 3px rgba(120,190,32,.18)}.project-card.archived{opacity:.72;background:#fbfbfb}.project-card strong{display:block}.project-card span,.small{color:var(--muted);font-size:13px;line-height:1.45}.actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.drawing-card{overflow:hidden;padding:0}.drawing-toolbar{padding:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;background:#f8faf7}.viewer{height:62vh;min-height:420px;overflow:auto;background:#eef2ea}.drawing,.viewer{position:relative}.drawing{width:980px;height:680px;margin:18px;transform-origin:top left;border:1px dashed #b9c2b2;background:linear-gradient(90deg,rgba(0,0,0,.08) 1px,transparent 0),linear-gradient(rgba(0,0,0,.08) 1px,transparent 0),#fff;background-size:60px 60px}.room{border:2px solid #94a3b8;background:rgba(148,163,184,.08);place-items:center;color:#64748b;font-weight:800}.pin,.room{position:absolute;display:grid}.pin{width:34px;height:34px;border-radius:999px;place-items:center;transform:translate(-50%,-50%);color:#fff;border:3px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.24);font-weight:900;background:var(--red);cursor:pointer}.pin.amber{background:var(--amber)}.pin.green{background:var(--ok)}.snag-list{margin-top:16px}.snag-row{display:grid;grid-template-columns:82px 1fr auto;grid-gap:10px;gap:10px;border-bottom:1px solid var(--line);padding:12px 0;align-items:start}.badge{border-radius:999px;padding:4px 8px;font-size:12px;font-weight:800;display:inline-block;white-space:nowrap}.red{background:#fee2e2;color:#991b1b}.amber{background:#fef3c7;color:#92400e}.green{background:#dcfce7;color:#166534}.blue{background:#eef2ff;color:#3730a3}.orange{background:#fff7ed;color:#9a3412}.bottom-sheet-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.25);z-index:90;display:flex;align-items:flex-end}.bottom-sheet{width:100%;max-height:88vh;overflow:auto;background:#fff;border-radius:22px 22px 0 0;padding:16px;box-shadow:0 -12px 40px rgba(0,0,0,.18)}.sheet-handle{width:46px;height:5px;border-radius:999px;background:#cbd5e1;margin:0 auto 12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:440px}@media(max-width:900px){.grid{grid-template-columns:1fr}.viewer{height:56vh;min-height:360px}.form-grid{grid-template-columns:1fr}.snag-row{grid-template-columns:70px 1fr}.snag-row>div:last-child{grid-column:1/-1}}