/* ======================
       VARIABLES Y ESTILOS GENERALES
       ====================== */
    :root {
      --primary-color: #1a365d;
      --secondary-color: #2c5282;
      --accent-color: #4299e1;
      --light-color: #f7fafc;
      --dark-color: #2d3748;
      --success-color: #38a169;
      --warning-color: #d69e2e;
      --danger-color: #e53e3e;
      --text-color: #4a5568;
      --border-color: #e2e8f0;
      --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
      --transition: all 0.3s ease;
    }

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

    body {
      font-family: 'Open Sans', sans-serif;
      color: var(--text-color);
      line-height: 1.6;
      background-color: var(--light-color);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    h1, h2, h3, h4, h5 {
      font-family: 'Montserrat', sans-serif;
      font-weight: 700;
      color: var(--primary-color);
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ======================
       HEADER (idéntico al frontend)
       ====================== */
    .header-top {
      background-color: var(--primary-color);
      color: white;
      padding: 10px 0;
      font-size: 0.9rem;
    }

    .header-top .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .contact-info span {
      margin-right: 20px;
    }

    .contact-info i, .header-social i {
      margin-right: 8px;
    }

    .header-social a {
      color: white;
      margin-left: 15px;
      transition: var(--transition);
    }

    .header-social a:hover {
      color: var(--accent-color);
    }

    .navbar {
      background-color: white;
      box-shadow: var(--shadow);
      position: sticky;
      top: 0;
      z-index: 1000;
      width: 100%;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      position: relative;
    }

    .nav-logo img {
      height: 60px;
      width: auto;
    }

    .nav-menu {
      display: flex;
    }

    .nav-list {
      display: flex;
      list-style: none;
      gap: 5px;
    }

    .nav-item {
      margin: 0 8px;
    }

    .nav-link {
      font-weight: 600;
      color: var(--dark-color);
      transition: var(--transition);
      padding: 8px 12px;
      text-decoration: none;
      border-radius: 4px;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--accent-color);
      background-color: rgba(0, 0, 0, 0.03);
    }

    .btn-blog {
      background-color: var(--primary-color);
      color: white !important;
      padding: 8px 20px !important;
      border-radius: 5px;
      text-decoration: none;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary-color);
      cursor: pointer;
    }

    /* ======================
       LAYOUT LOGIN (dos columnas)
       ====================== */
    .login-wrapper {
      flex: 1;
      display: flex;
      flex-wrap: wrap;
      max-width: 1200px;
      margin: 40px auto;
      background: white;
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    /* Panel izquierdo - Información */
    .login-info-panel {
      flex: 1;
      background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
      color: white;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .logo-container {
      text-align: center;
      margin-bottom: 30px;
    }

    .logo-icon {
      font-size: 3rem;
      margin-bottom: 15px;
    }

    .logo-icon i {
      color: var(--accent-color);
    }

    .logo-container h1 {
      color: white;
      font-size: 1.8rem;
      margin-bottom: 5px;
    }

    .institution-subtitle {
      font-size: 1rem;
      opacity: 0.9;
      font-style: italic;
    }

    .info-content h2 {
      color: white;
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .info-content h2 i {
      color: var(--accent-color);
      margin-right: 10px;
    }

    .info-description {
      line-height: 1.7;
      margin-bottom: 30px;
      opacity: 0.95;
    }

    .features-list h3 {
      color: white;
      font-size: 1.2rem;
      margin-bottom: 15px;
    }

    .features-list h3 i {
      color: var(--accent-color);
      margin-right: 8px;
    }

    .features-list ul {
      list-style: none;
      margin-bottom: 30px;
    }

    .features-list li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .features-list li i {
      color: var(--accent-color);
      font-size: 1rem;
    }

    .security-notice {
      background: rgba(255, 255, 255, 0.1);
      padding: 15px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.85rem;
      backdrop-filter: blur(5px);
    }

    .security-notice i {
      font-size: 1.2rem;
      color: var(--accent-color);
    }

    /* Panel derecho - Formulario */
    .login-form-panel {
      flex: 1;
      padding: 40px;
      background: white;
    }

    .form-header {
      text-align: center;
      margin-bottom: 30px;
    }

    .user-icon {
      font-size: 3rem;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .form-header h2 {
      font-size: 1.8rem;
      margin-bottom: 5px;
    }

    .form-header p {
      color: var(--text-color);
    }

    .error-alert {
      background: #fed7d7;
      border-left: 4px solid var(--danger-color);
      padding: 12px 15px;
      border-radius: 8px;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--danger-color);
    }

    .error-alert i {
      font-size: 1.2rem;
    }

    .login-form {
      width: 100%;
    }

    .input-group {
      position: relative;
      margin-bottom: 25px;
    }

    .input-icon {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--accent-color);
    }

    .input-group input {
      width: 100%;
      padding: 14px 40px 14px 40px;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      font-size: 1rem;
      font-family: inherit;
      transition: var(--transition);
    }

    .input-group input:focus {
      outline: none;
      border-color: var(--accent-color);
      box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
    }

    .input-underline {
      display: none;
    }

    .toggle-password {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      color: var(--text-color);
      cursor: pointer;
      font-size: 1rem;
    }

    .form-options {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 30px;
      font-size: 0.9rem;
    }

    .remember-me {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }

    .remember-me input {
      width: auto;
      margin: 0;
    }

    .forgot-password {
      color: var(--accent-color);
      text-decoration: none;
    }

    .forgot-password:hover {
      text-decoration: underline;
    }

    .login-button {
      width: 100%;
      background: var(--primary-color);
      color: white;
      border: none;
      padding: 14px;
      border-radius: 12px;
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .login-button:hover {
      background: var(--accent-color);
      transform: translateY(-2px);
    }

    .form-divider {
      text-align: center;
      margin: 25px 0;
      position: relative;
    }

    .form-divider span {
      background: white;
      padding: 0 15px;
      color: var(--text-color);
      font-size: 0.85rem;
    }

    .alternative-login {
      text-align: center;
    }

    .alternative-login p {
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .alternative-buttons {
      display: flex;
      gap: 15px;
      justify-content: center;
    }

    .alt-button {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border: 1px solid var(--border-color);
      background: white;
      border-radius: 30px;
      cursor: pointer;
      transition: var(--transition);
      font-size: 0.85rem;
    }

    .alt-button:hover {
      border-color: var(--accent-color);
      background: var(--light-color);
    }

    .alt-button.google i {
      color: #DB4437;
    }

    .alt-button.microsoft i {
      color: #00A4EF;
    }

    .form-footer {
      margin-top: 40px;
      text-align: center;
      border-top: 1px solid var(--border-color);
      padding-top: 25px;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 25px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }

    .footer-links a {
      color: var(--text-color);
      text-decoration: none;
      font-size: 0.85rem;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .footer-links a:hover {
      color: var(--accent-color);
    }

    .footer-copyright {
      font-size: 0.75rem;
      color: var(--text-color);
    }

    .version {
      font-size: 0.7rem;
      margin-top: 5px;
      opacity: 0.7;
    }

    /* Footer principal */
    .footer {
      background-color: var(--primary-color);
      color: white;
      padding: 40px 0 20px;
      margin-top: auto;
    }

    .footer-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 30px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .footer-logo i {
      font-size: 2rem;
      color: var(--accent-color);
    }

    .footer-logo h4 {
      color: white;
      margin-bottom: 5px;
    }

    .footer-logo p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.85rem;
    }

    .footer-links-group {
      text-align: right;
    }

    .footer-links-group p {
      margin-bottom: 15px;
      color: rgba(255, 255, 255, 0.7);
    }

    .link-group {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }

    .link-group a {
      color: white;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .link-group a:hover {
      color: var(--accent-color);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 20px;
      margin-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.6);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .login-wrapper {
        flex-direction: column;
        margin: 20px;
      }
      
      .login-info-panel {
        text-align: center;
      }
      
      .features-list ul {
        text-align: left;
      }
      
      .security-notice {
        justify-content: center;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      
      .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding-top: 80px;
        transition: right 0.3s ease;
        z-index: 999;
      }
      
      .nav-menu.active {
        right: 0;
      }
      
      .nav-list {
        flex-direction: column;
        padding: 20px;
      }
      
      .nav-item {
        margin: 12px 0;
      }
      
      .login-wrapper {
        margin: 20px;
      }
      
      .login-info-panel, .login-form-panel {
        padding: 30px 20px;
      }
      
      .alternative-buttons {
        flex-direction: column;
        align-items: center;
      }
      
      .alt-button {
        width: 200px;
        justify-content: center;
      }
      
      .footer-content {
        flex-direction: column;
        text-align: center;
      }
      
      .footer-links-group {
        text-align: center;
      }
      
      .link-group {
        justify-content: center;
      }
    }

    @media (max-width: 480px) {
      .header-top .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
      
      .contact-info span {
        display: inline-block;
        margin: 0 5px;
      }
      
      .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
      }
    }