.auth-container {
  background: white;
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: 40% 60%;
  max-width: 100%;
  margin: 0;
  padding: 0;
}
.auth-card {
  align-items: center;
  background: white;
  padding: 1rem 4rem;
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
  justify-content: center;
}
.auth-sidebar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.auth-sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}
.auth-sidebar img {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.auth-header {
  text-align: center;
}
.auth-header h1 {
  font-size: 2.5rem;
  color: #111827;
  font-weight: 700;
}
.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.alert-error {
  background-color: #fee;
  border: 1px solid #fcc;
  color: #c00;
}
.alert-success {
  background-color: #efe;
  border: 1px solid #cfc;
  color: #0a0;
}
.auth-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}
.form-group {
  display: flex;
  flex-direction: column;
  width: 100%;
  align-items: center;
}
.form-group label {
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.5rem;
}
.form-group input {
  padding: 0.9rem;
  width: 100%;
  max-width: 25rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}
.form-group input:focus {
  outline: none;
  border-color: #667eea;
}
.btn-primary-full {
  display: block;
  text-align: center;
  margin-top: 1rem;
  width: 70%;
  max-width: 25rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 1.2rem;
  border-radius: 50px;
  font-size: 1.2rem;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}
.btn-primary-full:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}
.auth-footer {
  text-align: center;
}
.auth-footer p {
  color: #6b7280;
}
.auth-footer a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
}
.auth-footer a:hover {
  text-decoration: underline;
}
@media (max-width: 1024px) {
  .auth-container {
    grid-template-columns: 50% 50%;
  }
  .auth-card {
    padding: 1rem 2rem;
  }
}
@media (max-width: 768px) {
  .auth-container {
    grid-template-columns: 1fr;
  }
  .auth-card {
    padding: 2rem 1.5rem;
  }
  .auth-header h1 {
    font-size: 2rem;
  }
  .auth-sidebar {
    display: none;
  }
  .form-group input {
    max-width: 100%;
  }
  .btn-primary-full {
    width: 100%;
    max-width: 100%;
  }
}
@media (max-width: 480px) {
  .auth-card {
    padding: 1.5rem 1rem;
  }
  .auth-header h1 {
    font-size: 1.75rem;
  }
  .btn-primary-full {
    font-size: 1rem;
    padding: 1rem;
  }
}