/* Radix UI Theme Overrides */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.25rem;
  --space-10: 2.5rem;
  
  --radius-1: 0.125rem;
  --radius-2: 0.25rem;
  --radius-3: 0.375rem;
  --radius-4: 0.5rem;
  --radius-5: 0.75rem;
  --radius-6: 1rem;
  
  --color-primary: #007acc;
  --color-primary-hover: #005a9e;
  --color-success: #28a745;
  --color-error: #dc3545;
  --color-warning: #ffc107;
}

/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Login Form Styles */
.login-container {
  width: 100%;
  max-width: 400px;
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-6);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-logo {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.login-subtitle {
  color: #666;
  font-size: 0.9rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
}

.form-row .form-group:first-child {
  flex: 0 0 120px;
}

.form-row .form-group:last-child {
  flex: 1;
}

.form-label {
  font-weight: 500;
  color: #333;
  font-size: 0.9rem;
}

.form-input {
  padding: var(--space-3);
  border: 1px solid #ddd;
  border-radius: var(--radius-3);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
}

.form-select {
  padding: var(--space-3);
  border: 1px solid #ddd;
  border-radius: var(--radius-3);
  font-size: 1rem;
  background: white;
  cursor: pointer;
}

.form-button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-4);
  border-radius: var(--radius-3);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-top: var(--space-2);
}

.form-button:hover {
  background: var(--color-primary-hover);
}

.form-button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.form-button.loading {
  position: relative;
  color: transparent;
}

.form-button.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Message Styles */
.message {
  padding: var(--space-3);
  border-radius: var(--radius-3);
  margin-bottom: var(--space-4);
  font-size: 0.9rem;
}

.message.success {
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(40, 167, 69, 0.2);
}

.message.error {
  background: rgba(220, 53, 69, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(220, 53, 69, 0.2);
}

.message.info {
  background: rgba(0, 122, 204, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(0, 122, 204, 0.2);
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    margin: var(--space-4);
    padding: var(--space-4);
  }
  
  .form-row {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .form-row .form-group:first-child {
    flex: none;
  }
}