/* Modern Authentication Theme for Attendance System */
:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --accent-color: #4895ef;
  --success-color: #4cc9f0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --border-radius: 10px;
  --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body.auth-page {
  background: linear-gradient(135deg, #4cc9f0 0%, #4361ee 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: 'Poppins', sans-serif;
}

.auth-container {
  width: 100%;
  max-width: 900px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  position: relative;
}

.auth-row {
  display: flex;
  flex-wrap: wrap;
}

.auth-image {
  flex: 1;
  background-image: url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1350&q=80');
  background-size: cover;
  background-position: center;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(67, 97, 238, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  color: white;
  text-align: center;
}

.auth-image-overlay h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.auth-image-overlay p {
  font-size: 1.1rem;
  max-width: 80%;
}

.auth-form {
  flex: 1;
  padding: 2.5rem;
}

.auth-header {
  margin-bottom: 2rem;
  text-align: center;
}

.auth-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark-color);
}

.auth-header p {
  color: #6c757d;
}

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

.form-floating > .form-control {
  padding: 1rem 0.75rem;
  height: calc(3.5rem + 2px);
  line-height: 1.25;
  border-radius: var(--border-radius);
  border: 1px solid #ced4da;
}

.form-floating > label {
  padding: 1rem 0.75rem;
}

.btn-auth {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  width: 100%;
  transition: all 0.3s ease;
}

.btn-auth:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
}

.auth-footer {
  text-align: center;
  margin-top: 2rem;
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

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

.auth-divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid #dee2e6;
}

.auth-divider span {
  padding: 0 1rem;
  color: #6c757d;
  font-size: 0.9rem;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.invalid-feedback {
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .auth-image {
    display: none;
  }
  
  .auth-form {
    padding: 2rem 1.5rem;
  }
}

/* Animation for form elements */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.auth-form .form-floating,
.auth-form .form-check,
.auth-form .btn-auth,
.auth-form .auth-footer {
  animation: fadeInUp 0.5s ease-out forwards;
  opacity: 0;
}

.auth-form .form-floating:nth-child(1) { animation-delay: 0.1s; }
.auth-form .form-floating:nth-child(2) { animation-delay: 0.2s; }
.auth-form .form-check { animation-delay: 0.3s; }
.auth-form .btn-auth { animation-delay: 0.4s; }
.auth-form .auth-footer { animation-delay: 0.5s; }