:root{--ei-ink: #0f172a;--ei-muted: #64748b;--ei-line: #e8edf3;--ei-border: #cbd5e1;--ei-surface: #f8fafc;--ei-bg: #ffffff;--ei-accent: #1d4ed8;--ei-accent-dark: #1e40af;--ei-warn: #b45309;--ei-warn-bg: #fffbeb;--ei-danger: #b91c1c;--ei-danger-bg: #fef2f2;--ei-info-bg: #eff6ff;--ei-radius: 8px;--ei-shadow: 0 1px 2px rgb(15 23 42 / 6%), 0 1px 3px rgb(15 23 42 / 4%)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--ei-surface);color:var(--ei-ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}.muted{color:var(--ei-muted)}.small{font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.page{max-width:720px;margin:0 auto;padding:32px 20px 64px}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--ei-line);background:var(--ei-bg)}.topbar-brand{font-weight:600;color:inherit;text-decoration:none}.topbar-nav{display:flex;align-items:center;gap:16px;flex:1;margin-left:24px}.topbar-nav a{color:var(--ei-muted);text-decoration:none;font-size:14px}.topbar-nav a:hover{color:var(--ei-ink)}.topbar-user{display:flex;align-items:center;gap:12px}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:380px;background:var(--ei-bg);border:1px solid var(--ei-line);border-radius:var(--ei-radius);box-shadow:var(--ei-shadow);padding:28px}.auth-brand h1{font-size:20px;margin:0 0 4px}.auth-switch{margin-top:16px;display:flex;flex-direction:column;gap:6px}.stack{display:flex;flex-direction:column;gap:16px;margin-top:16px}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:13px;font-weight:600}.field-hint{font-size:12px;color:var(--ei-muted)}input[type=email],input[type=password],input[type=text],input:not([type]){border:1px solid var(--ei-border);border-radius:var(--ei-radius);padding:8px 10px;font-size:14px}select{border:1px solid var(--ei-border);border-radius:var(--ei-radius);padding:6px 8px;font-size:14px}.alert{border-radius:var(--ei-radius);padding:10px 12px;font-size:14px;margin:12px 0}.alert--error{background:var(--ei-danger-bg);color:var(--ei-danger)}.alert--info{background:var(--ei-info-bg);color:var(--ei-accent-dark)}.btn{border:1px solid transparent;border-radius:var(--ei-radius);padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn--primary{background:var(--ei-accent);color:#fff}.btn--ghost{background:transparent;border-color:var(--ei-border);color:var(--ei-ink)}.btn--link{background:none;border:none;color:var(--ei-accent);padding:0;text-align:left}.drop-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.drop-box{border:2px dashed var(--ei-border);border-radius:var(--ei-radius);padding:20px;text-align:center;background:var(--ei-bg);min-height:380px;display:flex;flex-direction:column;justify-content:center}.drop-box--over{border-color:var(--ei-accent);background:var(--ei-info-bg)}.drop-box-label{font-weight:600;margin:0 0 8px}.drop-box-input{display:block;cursor:pointer;color:var(--ei-muted);font-size:13px}.drop-box-warning{color:var(--ei-warn);background:var(--ei-warn-bg);border-radius:var(--ei-radius);padding:6px 8px;font-size:12px;margin-top:10px}.drop-box-format{display:block;margin-top:10px;text-align:left;font-size:12px}.drop-box-format span{display:block;margin-bottom:4px;font-weight:600}.result,.field-mapping{margin-top:24px;padding:16px;border:1px solid var(--ei-line);border-radius:var(--ei-radius);background:var(--ei-bg)}.field-mapping-list{list-style:none;padding:0;margin:16px 0;display:flex;flex-direction:column;gap:10px}.field-mapping-row{display:flex;align-items:center;gap:10px}.field-mapping-target{flex:0 0 40%;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.field-mapping-row input{flex:1}.field-inline{display:flex;align-items:center;gap:8px;font-size:13px;margin:4px 0 16px}.schema-review{margin-top:24px;padding:16px;border:1px solid var(--ei-line);border-radius:var(--ei-radius);background:var(--ei-bg)}.schema-review-side{margin-top:16px}.schema-review-side h3{font-size:14px;margin:0 0 8px}.schema-review-table{width:100%;border-collapse:collapse;font-size:13px}.schema-review-table th,.schema-review-table td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--ei-line)}.schema-review-table select{width:100%}