:root{color-scheme:light;--bg:#f5f7fb;--text:#1a1f2e;--muted:#5f6b85;--line:#e4e9f2;--brand:#ff5a00;--brand-dark:#d84a00;--brand-soft:#fff2e9;--brand-light:#fff8f3;--success:#16a34a;--success-bg:#dcfce7;--warning:#f59e0b;--warning-bg:#fef3c7;--danger:#ef4444;--danger-bg:#fee2e2;--info:#3b82f6;--info-bg:#dbeafe;--radius:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:999px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow:0 4px 16px rgba(0,0,0,.07);--shadow-lg:0 8px 32px rgba(0,0,0,.1);--shadow-brand:0 8px 24px rgba(255,90,0,.18);--transition:.2s cubic-bezier(.4,0,.2,1);--transition-slow:.35s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}@keyframes 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var(--line)}.chat-popup__header h2{font-size:1rem}.chat-popup .chat-box{margin:0;border:none;border-radius:0;min-height:160px;overflow:auto;flex:1 1}.chat-popup .chat-form{padding:12px;margin:0;border-top:1px solid var(--line)}.chat-suggestions{padding:0 12px 8px}.chat-chip{padding:5px 12px;border:1px solid #ffe0cf;background:var(--brand-soft);transition:all var(--transition)}.chat-chip:hover{background:#ffe2d2}.chat-typing{display:flex;align-items:center;gap:4px;padding:8px 14px}.chat-typing span{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:pulse 1.2s ease infinite}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}.auth-page{max-width:560px}.auth-shell{grid-gap:24px;gap:24px;grid-template-columns:1fr 1fr;align-items:stretch;padding-top:40px}.auth-showcase{border:1px solid #ffd8c3;border-radius:var(--radius-lg);background:linear-gradient(145deg,#ffece0,#fff);padding:28px}.auth-showcase h2{margin:0 0 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