:root{--bg: #f5f7fa;--surface: #ffffff;--border: #d8dee5;--text: #1f2937;--text-muted: #6b7280;--primary: #1f77b4;--primary-hover: #155a8a;--danger: #d04141;--success: #2e7d32;--shadow: 0 1px 3px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text)}*{box-sizing:border-box}body,html,#root{margin:0;padding:0;height:100%;background:var(--bg)}.app-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#1f2937;color:#f3f4f6;padding:16px;display:flex;flex-direction:column;gap:8px}.sidebar h1{font-size:16px;margin:0 0 12px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.sidebar a{color:#d1d5db;text-decoration:none;padding:8px 12px;border-radius:6px;font-size:13px}.sidebar a:hover{background:#374151}.sidebar a.active{background:var(--primary);color:#fff}.sidebar-company{margin-bottom:12px;padding:8px 12px;background:#111827;border-radius:6px;border:1px solid #374151}.sidebar-company-label{font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:#9ca3af;margin-bottom:4px}.sidebar-company-name{font-size:13px;color:#f3f4f6;font-weight:500}.sidebar-company-select{width:100%;padding:4px 6px;background:#1f2937;color:#f3f4f6;border:1px solid #374151;border-radius:4px;font-size:13px}.sidebar-company-loading,.sidebar-company-error{margin-bottom:12px;padding:8px 12px;font-size:11px;color:#9ca3af;background:#111827;border-radius:6px}.sidebar .user-info{margin-top:auto;padding-top:16px;border-top:1px solid #374151;font-size:12px;color:#9ca3af}.sidebar .user-info button{margin-top:8px;width:100%}.main{padding:24px;overflow-y:auto}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;box-shadow:var(--shadow);margin-bottom:16px}.card h2{margin:0 0 12px;font-size:16px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:end}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--text-muted);font-weight:500}.field input,.field select{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff}button{cursor:pointer;border:none;border-radius:6px;padding:8px 14px;font-size:14px;font-weight:500;background:var(--primary);color:#fff;transition:background .15s}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.danger{background:var(--danger)}button.danger:hover:not(:disabled){background:#a82d2d}button.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:#f3f4f6}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:32px;max-width:380px;width:100%;box-shadow:var(--shadow)}.login-card h1{margin:0 0 20px;font-size:20px;text-align:center;color:var(--primary)}.login-card .field{margin-bottom:16px}.login-card button{width:100%;padding:10px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);font-size:13px}th{background:#f9fafb;font-weight:600;color:var(--text-muted);text-transform:uppercase;font-size:11px;letter-spacing:.04em}tr.selected{background:#eff6ff}.alert{padding:10px 14px;border-radius:6px;margin-bottom:12px;font-size:13px}.alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert.success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.alert.info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.muted{color:var(--text-muted);font-size:12px}.coef-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.coef-grid .coef{background:#f9fafb;padding:8px;border-radius:6px;border:1px solid var(--border)}.coef-grid .coef strong{display:block;font-size:11px;text-transform:uppercase;color:var(--text-muted)}.coef-grid .coef code{display:block;font-size:12px;font-family:ui-monospace,monospace}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px}.modal{background:var(--surface);border-radius:8px;padding:24px;width:100%;max-width:720px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 30px #0003}.modal h2{margin:0 0 8px}