:root{--brand:#16636d;--bg:#eef5f6;--text:#111827;--muted:#64748b;--line:#e5e7eb;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Arial;background:var(--bg);color:var(--text)}.topbar{height:78px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-shadow:0 2px 10px rgba(0,0,0,.12)}.brand{font-size:26px;font-weight:950;letter-spacing:.2px}.top-actions{display:flex;gap:12px;align-items:center}#userBox{font-weight:800}.page{max-width:1480px;margin:0 auto;padding:22px}.card{background:var(--card);border:1px solid rgba(15,23,42,.06);border-radius:18px;box-shadow:0 14px 34px rgba(15,23,42,.07);padding:18px}.hero{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.title{font-size:24px;font-weight:950;line-height:1.1}.muted{color:var(--muted)}.small{font-size:12px}.field{margin-top:12px}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.main-grid{display:grid;grid-template-columns:410px 1fr;gap:20px}.sources-card{min-height:640px}.work-card{min-height:640px}.section-title{font-weight:950;font-size:17px;margin-bottom:6px}.source-item{padding:6px 2px}.source-summary{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:12px}.empty-note{color:var(--muted)}.selected-title{font-weight:900;margin-bottom:8px}.selected-source{display:flex;flex-direction:column;border-top:1px solid #e5e7eb;padding:8px 0}.selected-source span{font-size:12px;color:var(--muted)}.prompt-examples{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}.prompt-examples button{border:1px solid #cbd5e1;background:#fff;border-radius:999px;padding:7px 10px;cursor:pointer}.prompt-examples button:hover{background:#f1f5f9}.codebox{white-space:pre-wrap;min-height:420px;max-height:620px;overflow:auto;background:#0f172a;color:#d1e7ff;border-radius:14px;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.45}.warnings{background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:12px;margin-top:12px}.preview-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:12px}.preview-frame{width:100%;height:640px;border:1px solid var(--line);border-radius:14px;background:#fff}.instructions pre{white-space:pre-wrap;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:16px;line-height:1.55}.security{line-height:1.65}.security code{background:#f1f5f9;padding:2px 6px;border-radius:6px}.preview-meta{margin-bottom:10px;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:10px}.form-grid{display:grid;grid-template-columns:1fr 1.5fr 1fr 1fr;gap:10px}.login-card{width:480px;max-width:92vw;margin:90px auto}.dx-button-mode-contained.dx-button-default{background:var(--brand)!important;border-color:var(--brand)!important}@media(max-width:980px){.main-grid{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}.form-grid{grid-template-columns:1fr}.topbar{height:auto;min-height:72px;flex-wrap:wrap;padding:14px}.page{padding:12px}}