/* assets/css/login.css */
:root {
  --primary-color: #4361ee;
  --primary-dark: #3a56d4;
  --secondary-color: #3f37c9;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --gray-color: #6c757d;
  --light-gray: #e9ecef;
  --danger-color: #f72585;
  --border-radius: 0.5rem;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #f5f7fb;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
  background-image: radial-gradient(
      circle at 10% 20%,
      rgba(67, 97, 238, 0.1) 0%,
      transparent 20%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(67, 97, 238, 0.1) 0%,
      transparent 20%
    );
}

.login-container {
  width: 100%;
  max-width: 400px;
  background: white;
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  animation: fadeIn 0.5s ease;
  transform-origin: center;
  transition: var(--transition);
}

.login-container h1 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.75rem;
}

.login-container .alert {
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  border-radius: calc(var(--border-radius) / 2);
  font-size: 0.9rem;
}

.login-container .alert-error {
  background-color: rgba(247, 37, 133, 0.1);
  color: var(--danger-color);
  border-left: 3px solid var(--danger-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--dark-color);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--light-gray);
  border-radius: calc(var(--border-radius) / 2);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: calc(var(--border-radius) / 2);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.login-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-color);
}

.login-footer a {
  color: var(--primary-color);
  font-weight: 500;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

  .login-container h1 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .form-group {
    margin-bottom: 1.25rem;
  }
}

@media (max-width: 400px) {
  .login-container {
    padding: 1.25rem;
  }

  body {
    padding: 0.5rem;
  }
}

/* Loading state */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}