/* Estilos generales */
:root {
  --primary-color: #1095c1;
  --primary-hover: #0d8cb1;
  --text-color: #333;
  --sidebar-bg: #2c3e50;
  --sidebar-text: #ecf0f1;
  --navbar-bg: #fff;
  --navbar-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --header-bg: #f5f5f5;
  --card-bg: #fff;
  --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --content-padding: 20px;
  --sidebar-width: 250px;
  --navbar-height: 60px;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --border-color: #eee;
  --border-radius: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #f8f9fa;
  color: var(--text-color);
  line-height: 1.6;
}

/* Estructura de la aplicación */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Barra de navegación superior */
.navbar {
  height: var(--navbar-height);
  background-color: var(--navbar-bg);
  box-shadow: var(--navbar-shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

/* Barra lateral */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  color: var(--sidebar-text);
  transition: all 0.3s ease;
  z-index: 990;
}

.side-menu {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
}

.menu-items {
  flex-grow: 1;
  padding: 1rem;
}

.menu-footer {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.menu-item {
  display: block;
  padding: 0.8rem 1rem;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 5px;
  margin-bottom: 0.5rem;
  transition: background-color 0.2s, color 0.2s;
}

.menu-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.menu-item.active {
  background-color: var(--primary-color);
  color: white;
}

.logout-btn {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  margin-bottom: 0;
}

.logout-btn:hover {
  background-color: rgba(220, 53, 69, 0.7);
}

.icon-logout {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: 8px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4'%3E%3C/path%3E%3Cpolyline points='16 17 21 12 16 7'%3E%3C/polyline%3E%3Cline x1='21' y1='12' x2='9' y2='12'%3E%3C/line%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

/* Botón de menú móvil */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* Contenido principal */
.main-content {
  flex: 1;
  padding: 1.5rem;
  margin-left: var(--sidebar-width);
  margin-top: var(--navbar-height);
  transition: margin-left 0.3s ease;
}

.main-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

/* Tarjetas de contenido */
.content-box {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: var(--content-padding);
  margin-bottom: 1.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.stats-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: var(--content-padding);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.stats-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.stats-card p {
  margin-bottom: 1rem;
  flex-grow: 1;
}

.stats-card a {
  align-self: flex-start;
  text-decoration: none;
  color: var(--primary-color);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

.stats-card a:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Alertas */
.alert {
  padding: 1rem;
  border-radius: 5px;
  margin-bottom: 1.5rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error, .alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-info {
  background-color: #e3f2fd;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
}

/* Tablas */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0;
}

th, td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-weight: 600;
  color: #555;
}

tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
}

.badge-primary {
  background-color: var(--primary-color);
  color: white;
}

.badge-success {
  background-color: var(--success-color);
  color: white;
}

.badge-danger {
  background-color: var(--danger-color);
  color: white;
}

.badge-warning {
  background-color: var(--warning-color);
  color: black;
}

.badge-info {
  background-color: var(--info-color);
  color: white;
}

/* Formularios */
form {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.switch-group label {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.switch-group input[type="checkbox"] {
  margin-right: 0.5rem;
  width: auto;
}

.form-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
}

.form-inline {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-inline input,
.form-inline select {
  flex: 1;
}

.scan-container {
  display: flex;
  gap: 0.5rem;
}

.scan-container select {
  flex: 1;
}

input, select, textarea {
  padding: 0.6rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  width: 100%;
  font-size: 0.95rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(16, 149, 193, 0.25);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

button, .btn {
  background-color: var(--primary-color);
  color: white;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
  font-size: 0.95rem;
}

button:hover, .btn:hover {
  background-color: var(--primary-hover);
}

button.outline, .btn-outline, a.outline {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

button.outline:hover, .btn-outline:hover, a.outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #c82333;
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
}

/* Perfil de usuario */
.profile-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: block;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px #ddd;
}

.profile-card {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  margin-bottom: 1.5rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 1.5rem;
}

/* Estilos para la página de estado de red */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.status-card {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid #eee;
}

.status-title {
  font-weight: 500;
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 0.5rem;
}

.status-value {
  font-size: 1.1rem;
  font-family: monospace;
  display: flex;
  align-items: center;
}

.status-good {
  color: var(--success-color);
}

.status-bad {
  color: var(--danger-color);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-indicator.online {
  background-color: var(--success-color);
  box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.2);
}

.status-indicator.offline {
  background-color: var(--danger-color);
  box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2);
}

/* Indicador de fuerza de señal */
.signal-strength {
  display: flex;
  margin-right: 8px;
  height: 15px;
  align-items: flex-end;
}

.signal-strength span {
  width: 4px;
  margin-right: 2px;
  background-color: #ccc;
}

.signal-strength span:nth-child(1) { height: 20%; }
.signal-strength span:nth-child(2) { height: 40%; }
.signal-strength span:nth-child(3) { height: 60%; }
.signal-strength span:nth-child(4) { height: 80%; }
.signal-strength span:nth-child(5) { height: 100%; }

.signal-excellent span {
  background-color: var(--success-color);
}

.signal-good span:nth-child(1),
.signal-good span:nth-child(2),
.signal-good span:nth-child(3),
.signal-good span:nth-child(4) {
  background-color: var(--success-color);
}

.signal-fair span:nth-child(1),
.signal-fair span:nth-child(2),
.signal-fair span:nth-child(3) {
  background-color: var(--warning-color);
}

.signal-poor span:nth-child(1),
.signal-poor span:nth-child(2) {
  background-color: var(--danger-color);
}

.signal-bad span:nth-child(1) {
  background-color: var(--danger-color);
}

/* Tráfico y pruebas de conectividad */
.traffic-stats {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid #eee;
}

.traffic-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
}

.traffic-label {
  font-weight: 500;
  color: #555;
}

.traffic-value {
  font-family: monospace;
}

.connectivity-tests {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.test-card {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid #eee;
}

.test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.test-header h3 {
  margin: 0;
  font-size: 1rem;
}

.test-result {
  background-color: #fff;
  border: 1px solid #eee;
  border-radius: 4px;
  padding: 0.75rem;
  font-family: monospace;
  font-size: 0.9rem;
  min-height: 80px;
}

/* Password Field */
.password-field {
  position: relative;
  display: flex;
}

.password-field input {
  flex: 1;
}

.toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #6c757d;
}

/* Gateway Info */
.gateway-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-label {
  font-weight: 500;
  color: #555;
}

.info-value {
  font-size: 1.1rem;
  font-family: monospace;
  background-color: #f5f5f5;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
}

/* Confirmación */
.confirmation-container {
  max-width: 500px;
  margin: 50px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.confirmation-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

/* Login page */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: #f5f7fa;
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  margin: 1rem;
}

.login-title {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  font-size: 1.75rem;
}

.login-btn {
  width: 100%;
  padding: 0.8rem;
  font-size: 1rem;
  margin-top: 1rem;
}

.app-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.app-brand a {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

/* Restart page */
.restart-content {
  text-align: center;
  padding: 3rem 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.spinner {
  border: 4px solid rgba(16, 149, 193, 0.3);
  border-radius: 50%;
  border-top: 4px solid var(--primary-color);
  width: 60px;
  height: 60px;
  margin: 2rem auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.countdown {
  font-size: 4rem;
  font-weight: bold;
  margin: 1.5rem 0;
  color: var(--primary-color);
}

/* Dark Mode */
.dark-mode {
  --text-color: #e0e0e0;
  --card-bg: #1e1e1e;
  --navbar-bg: #1a1a1a;
  --header-bg: #121212;
  --border-color: #444;
}

.dark-mode .sidebar {
  background-color: #1a1a1a;
}

.dark-mode .content-box,
.dark-mode .stats-card,
.dark-mode .test-card,
.dark-mode .tool-card,
.dark-mode .status-card,
.dark-mode .traffic-stats,
.dark-mode .info-value {
  background-color: #1e1e1e;
  border-color: #444;
}

.dark-mode input,
.dark-mode select,
.dark-mode textarea {
  background-color: #333;
  color: #e0e0e0;
  border-color: #555;
}

.dark-mode th {
  background-color: #333;
}

.dark-mode table td {
  border-color: #444;
}

.dark-mode .test-result {
  background-color: #333;
  border-color: #555;
  color: #e0e0e0;
}

/* Loading */
.loading {
  color: #6c757d;
  font-style: italic;
}

.test-success {
  color: var(--success-color);
}

.test-failure {
  color: var(--danger-color);
}

/* Iconos */
.icon-refresh, .icon-eye, .icon-eye-off {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-size: contain;
  background-repeat: no-repeat;
}

.icon-refresh {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 4v6h-6'%3E%3C/path%3E%3Cpath d='M1 20v-6h6'%3E%3C/path%3E%3Cpath d='M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15'%3E%3C/path%3E%3C/svg%3E");
}

.icon-eye {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z'%3E%3C/path%3E%3Ccircle cx='12' cy='12' r='3'%3E%3C/circle%3E%3C/svg%3E");
}

.icon-eye-off {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24'%3E%3C/path%3E%3Cline x1='1' y1='1' x2='23' y2='23'%3E%3C/line%3E%3C/svg%3E");
}

/* Toggle switch para opciones booleanas */
.toggle-switch {
  position: relative;
  display: inline-block;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch label {
  display: block;
  width: 48px;
  height: 24px;
  border-radius: 12px;
  background-color: #ccc;
  cursor: pointer;
  transition: background-color 0.2s;
  position: relative;
}

.toggle-switch label::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: white;
  transition: left 0.2s;
}

.toggle-switch input:checked + label {
  background-color: var(--primary-color);
}

.toggle-switch input:checked + label::after {
  left: 26px;
}

/* Responsive MediaQueries */
@media (max-width: 992px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .gateway-info {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 1rem;
  }
  
  .navbar-toggle {
    display: flex;
    flex-direction: column;
  }
  
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    max-width: 100%;
    left: -100%;
    z-index: 990;
  }
  
  .sidebar.active {
    left: 0;
  }
  
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  
  .status-grid, 
  .connectivity-tests, 
  .traffic-row,
  .gateway-info {
    grid-template-columns: 1fr;
  }
  
  .traffic-row {
    gap: 0.5rem;
  }
  
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  /* Menu toggle activo */
  .navbar-menu.active .navbar-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .navbar-menu.active .navbar-toggle span:nth-child(2) {
    opacity: 0;
  }

  .navbar-menu.active .navbar-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .content-box,
  .stats-card,
  .test-card,
  .tool-card {
    padding: 1rem;
  }
  
  .main-header h1 {
    font-size: 1.5rem;
  }
  
  .form-inline {
    flex-direction: column;
  }
  
  .scan-container {
    flex-direction: column;
  }
  
  button, .btn {
    width: 100%;
  }
  
  .confirmation-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .test-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .test-header button {
    width: 100%;
  }
  
  input, select, button {
    font-size: 16px; /* Evita el zoom en iOS */
  }
  
  .traffic-row {
    grid-template-columns: 1fr;
  }
}

/* Actualización para .login-btn */
.login-btn {
  width: 100%;
  padding: 0.8rem;
  font-size: 1rem;
  margin-top: 1rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.login-btn:hover {
  background-color: var(--primary-hover);
}
/* Estilos mejorados para la página de login */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  /* Fondo con gradiente y patrón */
  background: linear-gradient(135deg, rgba(16, 149, 193, 0.8), rgba(44, 62, 80, 0.9)), 
              url('/static/img/pattern.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* Mejora de la tarjeta de login */
.login-container {
  width: 100%;
  max-width: 400px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 2.5rem;
  margin: 1rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s, box-shadow 0.3s;
}

.login-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

/* Logo o título mejorado */
.app-brand {
  text-align: center;
  margin-bottom: 2.5rem;
}

.app-brand a {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Título de login */
.login-title {
  text-align: center;
  margin-bottom: 1.8rem;
  color: var(--primary-color);
  font-size: 1.75rem;
  position: relative;
  padding-bottom: 0.8rem;
}

.login-title:after {
  content: '';
  position: absolute;
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* Campos de formulario mejorados */
.login-page .form-group {
  margin-bottom: 1.5rem;
}

.login-page input {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  transition: all 0.3s;
  font-size: 1rem;
}

.login-page input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(16, 149, 193, 0.25);
}

/* Botón mejorado */
.login-btn {
  width: 100%;
  padding: 0.9rem;
  font-size: 1.1rem;
  margin-top: 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.login-btn:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 10px rgba(16, 149, 193, 0.3);
}

/* Alerta mejorada */
.login-page .alert {
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  border-left: 4px solid transparent;
}

.login-page .alert-error {
  background-color: rgba(248, 215, 218, 0.9);
  border-left-color: var(--danger-color);
}

.login-page .alert-info {
  background-color: rgba(227, 242, 253, 0.9);
  border-left-color: var(--info-color);
}

.login-page .alert-success {
  background-color: rgba(212, 237, 218, 0.9);
  border-left-color: var(--success-color);
}

/* Animación sutil de aparición */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-container {
  animation: fadeIn 0.6s ease-out;
}