:root{--primary: #1F4E78;--primary-light: #3574a5;--bg: #f4f6f8;--card-bg: #ffffff;--border: #e0e4e8;--text: #1a1a1a;--text-muted: #6b7280;--success: #2e7d32;--danger: #c62828;font-family:Segoe UI,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app-shell{min-height:100vh}.navbar{display:flex;align-items:center;justify-content:space-between;background:var(--primary);color:#fff;padding:12px 24px}.navbar .brand{color:#fff;font-weight:700;font-size:18px;text-decoration:none}.nav-links{display:flex;gap:20px}.nav-links a{color:#fff;text-decoration:none;opacity:.9}.nav-links a:hover{opacity:1;text-decoration:underline}.nav-user{display:flex;align-items:center;gap:12px;font-size:14px}.nav-user button{background:#ffffff26;border:none;color:#fff;padding:6px 12px;border-radius:4px;cursor:pointer}.page{max-width:1100px;margin:0 auto;padding:24px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.actions-bar{display:flex;gap:10px}h1{font-size:24px;margin-bottom:4px}h2{font-size:18px;margin-top:28px;color:var(--primary)}.hint{color:var(--text-muted);font-size:14px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:16px 0}.form-grid label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}input,select{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px}.table{width:100%;border-collapse:collapse;background:var(--card-bg);border-radius:8px;overflow:hidden}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}.table th{background:#eef2f6;color:var(--text-muted);font-weight:600}.table.editable input{width:100%}.table a{color:var(--primary)}.btn-primary,.btn-secondary,.btn-icon{border:none;border-radius:6px;cursor:pointer;font-size:14px;padding:8px 16px;text-decoration:none;display:inline-block}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}.btn-secondary{background:#e8edf1;color:var(--text)}.btn-icon{background:transparent;color:var(--danger);padding:4px 8px}.summary-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:20px;margin-top:20px;max-width:480px}.summary-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}.summary-row.total{font-weight:700;font-size:17px;color:var(--primary);border-top:2px solid var(--primary);margin-top:8px;padding-top:12px}.badge{padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}.badge-borrador{background:#eee;color:#555}.badge-enviada{background:#fff3cd;color:#856404}.badge-aprobada{background:#d4edda;color:#155724}.badge-rechazada{background:#f8d7da;color:#721c24}.error-text{color:var(--danger);margin-top:8px}.form-actions{margin-top:24px}.login-page{display:flex;align-items:center;justify-content:center;height:100vh}.login-card{background:#fff;padding:40px;border-radius:12px;text-align:center;box-shadow:0 4px 20px #00000014}.btn-google{display:inline-block;margin-top:20px;background:var(--primary);color:#fff;padding:10px 24px;border-radius:6px;text-decoration:none}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--text-muted)}