:root{
  --navy:#252544;--indigo:#333366;--gold:#cc9602;--cream:#f6f4e8;
  --paper:#fff;--ink:#211f42;--muted:#666983;--line:#d9d6bf;
  --good:#146c36;--blue:#2f73d9;--soft-blue:#edf4ff;--danger:#b42318
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:linear-gradient(180deg,#f6f4e8,#e7e7d6);color:var(--ink);font-family:Inter,Arial,sans-serif}
button,input,select,textarea{font:inherit}
button,a{touch-action:manipulation}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 22px;background:#fff;border-bottom:1px solid var(--line)}
.logo{width:155px;height:auto}.topbar strong{color:var(--navy)}
.page{max-width:1600px;margin:auto;padding:20px}
.hero{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin:6px 0 18px}
.eyebrow,.step-label{text-transform:uppercase;letter-spacing:.14em;color:var(--indigo);font-weight:900;font-size:12px}
.hero h1{margin:6px 0 8px;font-size:clamp(29px,4vw,44px);line-height:1.04}
.hero p{max-width:980px;margin:0;color:var(--muted);font-size:16px;line-height:1.55}
.limit-pill{padding:9px 13px;border-radius:999px;background:#fff4cf;color:#6f4d00;border:1px solid #e7c75f;font-weight:900;font-size:12px;white-space:nowrap}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 36px rgba(15,23,42,.08)}
.workspace{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(400px,.85fr);gap:16px;align-items:start}
.drawing-card{min-width:0;overflow:hidden}
.drawing-intro{padding:18px 20px 6px}.drawing-intro h2{margin:5px 0 5px;font-size:22px}.drawing-intro p{margin:0;color:var(--muted);line-height:1.45}
.drawing-toolbar{display:flex;align-items:center;gap:8px;padding:13px;background:var(--navy);flex-wrap:wrap}
.upload-btn,.tool-btn,.primary,.send{border:0;border-radius:9px;font-weight:900;cursor:pointer}
.upload-btn{padding:10px 14px;background:var(--gold);color:#17152e}.tool-btn{padding:9px 11px;background:#fff;color:var(--navy)}
.tool-btn:disabled,.send:disabled,.primary:disabled{opacity:.45;cursor:not-allowed}.page-status{margin-left:auto;color:#fff;font-size:13px;font-weight:800}
.canvas-wrap{position:relative;min-height:620px;max-height:74vh;overflow:auto;background:#d9dde5;display:grid;place-items:start center;padding:20px}
#pdfCanvas{display:block;background:#fff;box-shadow:0 8px 25px rgba(0,0,0,.18);max-width:none}
.empty{position:absolute;inset:0;margin:auto;width:min(420px,80%);height:180px;border:2px dashed #9ca3af;border-radius:16px;background:rgba(255,255,255,.94);color:var(--navy);font-size:20px;font-weight:900;cursor:pointer;padding:24px}
.empty small{display:block;margin-top:10px;color:var(--muted);font-size:14px;font-weight:600}.empty.hidden{display:none}
.max-panel{padding:15px;position:sticky;top:12px;max-height:none;overflow:visible}
.max-panel.working{box-shadow:0 0 0 3px rgba(47,115,217,.18),0 12px 36px rgba(15,23,42,.10)}
.max-head{display:flex;align-items:center;gap:12px;padding-bottom:9px;border-bottom:1px solid var(--line)}
.max-avatar{width:72px;height:84px;object-fit:contain}.max-head h2{margin:0;font-size:27px}.max-head p{margin:2px 0;color:var(--muted)}
.mode-badge{display:inline-block;margin-top:5px;border-radius:999px;background:#e8f3ff;color:#1d4f91;padding:5px 9px;font-size:11px;font-weight:900}
.chat{height:clamp(125px,14vh,190px);overflow:auto;padding:8px 3px;display:flex;flex-direction:column;gap:8px}
.bubble{max-width:90%;padding:10px 12px;border-radius:13px;line-height:1.47;white-space:pre-wrap;font-size:14px}
.bubble.max{align-self:flex-start;background:#f1f3f8;border:1px solid #e1e4ec}.bubble.user{align-self:flex-end;background:var(--indigo);color:#fff}
.quick-prompts{display:flex;flex-wrap:wrap;gap:5px;padding:5px 0 7px}.quick-prompts button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 8px;color:var(--indigo);font-size:11px;font-weight:800;cursor:pointer}
.chat-compose{border-top:1px solid var(--line);padding-top:10px}.chat-compose textarea{width:100%;min-height:78px;resize:vertical;border:1px solid var(--line);border-radius:11px;padding:11px;color:var(--ink)}
.compose-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:7px}.context-note{font-size:11px;color:var(--muted);line-height:1.35}.send{background:var(--gold);color:#17152e;padding:10px 14px;white-space:nowrap}
.contact-squeeze{margin:10px 0 12px;padding:15px;border:2px solid var(--gold);border-radius:14px;background:#fffaf0}
.squeeze-head h3{margin:5px 0 6px;font-size:21px}.squeeze-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:13px}.field{display:grid;gap:5px;font-size:12px;font-weight:900;color:var(--navy)}.field.full{grid-column:1/-1}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;color:var(--ink);background:#fff}.field textarea{min-height:68px;resize:vertical}
.check{display:flex;align-items:flex-start;gap:8px;margin-top:10px;color:var(--muted);font-size:11px;line-height:1.4}.check input{margin-top:2px;accent-color:var(--indigo)}
.form-error{display:none;margin-top:10px;padding:9px;border-radius:8px;background:#fee4e2;color:var(--danger);font-size:12px;font-weight:800}.form-error.show{display:block}
.squeeze-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}.primary{background:var(--gold);color:#17152e;padding:11px 15px}.text-btn{border:0;background:transparent;color:var(--indigo);font-size:12px;font-weight:900;cursor:pointer;text-decoration:underline}
.upgrade-card{display:grid;gap:4px;margin-top:12px;padding:12px;border-radius:12px;background:#262648;color:#fff;font-size:12px;line-height:1.45}.upgrade-card strong{color:#ffd76b;font-size:13px}.upgrade-card a{justify-self:start;margin-top:4px;color:#fff;font-weight:900}
@media(max-width:1050px){.workspace{grid-template-columns:1fr}.max-panel{position:relative;top:auto;max-height:none;order:-1}.canvas-wrap{min-height:520px;max-height:70vh}.chat{height:220px}}
@media(max-width:680px){.page{padding:12px}.topbar{padding:10px 12px;align-items:flex-start}.topbar strong{font-size:12px;text-align:right}.logo{width:125px}.hero{display:grid}.limit-pill{justify-self:start}.workspace{gap:12px}.drawing-intro{padding:15px 15px 6px}.drawing-toolbar{gap:6px;padding:10px}.page-status{width:100%;margin:2px 0 0}.canvas-wrap{min-height:430px;padding:10px}.max-panel{padding:13px}.max-avatar{width:72px;height:86px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.compose-row{align-items:flex-end}.context-note{max-width:64%}}