:root{--bg: #f4f6f8;--panel: #ffffff;--border: #d9dee3;--text: #1b2530;--muted: #6b7785;--primary: #1b6f8c;--primary-dark: #145469;--danger: #b3312c;--danger-bg: #fbeaea;--success: #2e7d4f;--success-bg: #e8f5ec;--warning-bg: #fff6e0;--radius: 6px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font-family:inherit;font-size:14px}button{background:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:8px 14px;cursor:pointer}button:hover{background:var(--primary-dark)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:transparent;color:var(--primary);border:1px solid var(--primary)}button.danger{background:var(--danger)}input,select,textarea{padding:7px 9px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;color:var(--text)}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:24px;padding:10px 20px;background:var(--panel);border-bottom:1px solid var(--border)}.brand{font-weight:700;color:var(--primary-dark);font-size:18px}.nav{display:flex;gap:4px;flex:1}.nav-link{padding:6px 12px;border-radius:var(--radius);color:var(--text);text-decoration:none;font-size:14px}.nav-link.active,.nav-link:hover{background:var(--bg);color:var(--primary-dark);font-weight:600}.user-box{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.content{padding:20px;max-width:1400px;width:100%;margin:0 auto}.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--panel);padding:32px;border-radius:10px;border:1px solid var(--border);width:320px;display:flex;flex-direction:column;gap:14px}.login-card h1{margin:0;color:var(--primary-dark)}.muted{color:var(--muted);font-size:13px;margin:-8px 0 4px}.loading-screen{padding:40px;text-align:center;color:var(--muted)}.error-box{background:var(--danger-bg);color:var(--danger);padding:8px 10px;border-radius:var(--radius);font-size:13px}.success-box{background:var(--success-bg);color:var(--success);padding:8px 10px;border-radius:var(--radius);font-size:13px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;background:var(--bg)}tr:hover td{background:#fafcfd}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.pendiente{background:var(--warning-bg);color:#8a6100}.badge.validado{background:var(--success-bg);color:var(--success)}.badge.enviado{background:#e6eefc;color:#2a4f9c}.card-row{display:flex;gap:16px;flex-wrap:wrap}.card-row>.panel{flex:1;min-width:260px}.result-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed var(--border);font-size:13px}.result-row:last-child{border-bottom:none}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.actions-cell{display:flex;gap:6px}.actions-cell button{padding:4px 10px;font-size:12px}.checkbox-row{display:flex;align-items:center;gap:8px;flex-direction:row}.checkbox-row input{width:auto}