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

    body {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      /*background: linear-gradient(135deg, #4f7b95ff 0%, #ffffffff 100%);*/
      
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      position: relative;
      overflow: hidden;
    }

    /* Efecto de fondo animado */
    body::before {
      content: '';
      position: absolute;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
      background-size: 50px 50px;
      animation: moveBackground 20s linear infinite;
    }

    @keyframes moveBackground {
      0% { transform: translate(0, 0); }
      100% { transform: translate(50px, 50px); }
    }

    .login-container {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 450px;
      padding: 20px;
    }

    .login-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-radius:5px;
      padding: 3rem 2.5rem;
      border: 1px solid #e6e6e6;
      animation: slideUp 0.5s ease-out;
    }

    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .logo-container {
      text-align: center;
      margin-bottom: 2rem;
    }

    .login-title {
      font-size: 1.5rem;
      font-weight: 600;
      color: #2d3748;
      margin-bottom: 0.5rem;
    }

    .login-subtitle {
      color: #718096;
      font-size: 0.75rem;
    }

    .form-group {
      margin-bottom: 1.5rem;
      position: relative;
    }

    .form-label {
      display: block;
      margin-bottom: 0.5rem;
      color: #4a5568;
      font-weight: 600;
      font-size: 0.9rem;
    }

    .input-wrapper {
      position: relative;
    }

    .input-icon {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: #a0aec0;
      font-size: 1.2rem;
      transition: color 0.3s;
    }

    .form-control {
      width: 100%;
      padding: 0.5rem 1rem 0.5rem 3rem;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      font-size: 1rem;
      transition: all 0.3s;
      background: #f7fafc;
    }

    .form-control:focus {
      outline: none;
      border-color: #667eea;
      background: white;
      box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    }

    .form-control:focus + .input-icon {
      color: #667eea;
    }

    .password-toggle {
      position: absolute;
      right: 1rem;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      color: #a0aec0;
      cursor: pointer;
      font-size: 1.2rem;
      transition: color 0.3s;
      z-index: 2;
    }

    .password-toggle:hover {
      color: #667eea;
    }

    

    .form-check-label {
      color: #4a5568;
      cursor: pointer;
      user-select: none;
    }

    .forgot-link {
      color: #667eea;
      text-decoration: none;
      font-weight: 600;
      transition: color 0.3s;
    }

    .forgot-link:hover {
      color: #764ba2;
      text-decoration: underline;
    }

    .btn-login {
      width: 100%;
      padding: 0.5rem;
      background: #205a8f;     
      border: none;
      border-radius: 12px;
      color: white;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s;
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
      position: relative;
      overflow: hidden;
    }

    .btn-login::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.2);
      transform: translate(-50%, -50%);
      transition: width 0.6s, height 0.6s;
    }


    .btn-login span {
      position: relative;
      z-index: 1;
    }


    /* Animación del botón de carga */
    .btn-login.loading {
      pointer-events: none;
      opacity: 0.7;
    }

    .btn-login.loading span {
      opacity: 0;
    }

    .logo-irp {
    height: 30px;
    width: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;       /* 👈 centra horizontal */
   }


    .spinner {
      display: none;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 24px;
      height: 24px;
      border: 3px solid rgba(255, 255, 255, 0.3);
      border-top-color: white;
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }

    .btn-login.loading .spinner {
      display: block;
    }

    @keyframes spin {
      to { transform: translate(-50%, -50%) rotate(360deg); }
    }

    /* Responsive */
    @media (max-width: 576px) {
      .login-card {
        padding: 2rem 1.5rem;
      }

      .login-title {
        font-size: 1.5rem;
      }
    }