:root{--azul: #1e3a5f;--azul-med: #2f6190;--azul-clar: #4a9eda;--verde: #27ae60;--naranja: #e67e22;--rojo: #c0392b;--gris: #ecf0f1;--texto: #2c3e50}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Arial,sans-serif;background:#f4f7fb;color:var(--texto)}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--azul) 0%,var(--azul-med) 100%)}.auth-card{background:#fff;border-radius:12px;padding:36px 32px;width:100%;max-width:360px;box-shadow:0 10px 30px #0003}.auth-brand{text-align:center;margin-bottom:24px}.auth-logo{font-size:32px}.auth-brand h1{font-size:20px;color:var(--azul);margin-top:6px}.auth-brand p{font-size:13px;color:#888;margin-top:2px}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#555}.auth-form input{border:1px solid #dfe6e9;border-radius:6px;padding:10px 12px;font-size:14px}.auth-form input:focus{outline:none;border-color:var(--azul-clar)}.auth-form button{margin-top:6px;background:var(--azul-med);color:#fff;border:none;border-radius:6px;padding:11px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.auth-form button:hover:not(:disabled){background:var(--azul)}.auth-form button:disabled{opacity:.6;cursor:not-allowed}.auth-error{background:#fdf2f2;border-left:3px solid var(--rojo);color:var(--rojo);font-size:13px;padding:8px 10px;border-radius:4px}.dashboard{max-width:900px;margin:0 auto;padding:32px 20px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.dashboard-header h1{color:var(--azul);font-size:22px}.dashboard-header p{font-size:13px;color:#666;margin-top:2px}.btn-secundario{background:#fff;border:1px solid #dfe6e9;border-radius:6px;padding:8px 16px;font-size:13px;cursor:pointer}.tabla-presupuestos{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px #00000012}.tabla-presupuestos th{text-align:left;background:var(--gris);font-size:12px;text-transform:uppercase;color:#666;padding:10px 14px}.tabla-presupuestos td{padding:12px 14px;font-size:14px;border-top:1px solid #f0f0f0}.badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:10px;text-transform:capitalize}.badge-borrador{background:#eaf0fb;color:#2980b9}.badge-enviado{background:#fef9e7;color:#d68910}.badge-aceptado{background:#d5f5e3;color:#1e8449}.dashboard-nota{margin-top:14px;font-size:12px;color:#999}.pantalla-cargando{min-height:100vh;display:flex;align-items:center;justify-content:center;color:#888;font-size:14px}.dev-banner{background:#fef9e7;color:#d68910;border-bottom:1px solid #f9d270;font-size:12.5px;font-weight:600;text-align:center;padding:8px 12px}.app-shell{display:flex;min-height:100vh}.app-sidebar{width:220px;flex-shrink:0;background:var(--azul);color:#fff;display:flex;flex-direction:column;padding:20px 16px}.app-logo{font-size:15px;font-weight:700;margin-bottom:24px}.app-nav{display:flex;flex-direction:column;gap:4px;flex:1}.app-nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:6px;color:#ffffffbf;text-decoration:none;font-size:13.5px;font-weight:500}.app-nav-link:hover{background:#ffffff14;color:#fff}.app-nav-link.activo{background:#ffffff26;color:#fff}.app-sidebar-footer{border-top:1px solid rgba(255,255,255,.15);padding-top:14px;display:flex;flex-direction:column;gap:10px}.app-usuario{display:flex;flex-direction:column;font-size:12.5px}.app-usuario strong{font-size:13.5px}.app-usuario span{color:#fff9;text-transform:capitalize}.app-sidebar-footer .btn-secundario{background:#ffffff1a;border:1px solid rgba(255,255,255,.25);color:#fff}.app-content{flex:1;overflow-y:auto}