/* Login Page - Full viewport centered layout */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

/* Subtle background pattern */
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
}

/* Card styling */
.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

/* Header section */
.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: 24px;
  box-shadow: var(--shadow-glow);
}

.login-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.login-subtitle {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.login-subtitle.login-warning {
  color: var(--warning);
  font-weight: 500;
}

/* Error message */
.login-error {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--error);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  font-size: 0.875rem;
}

.login-error svg {
  flex-shrink: 0;
}

/* Form styling */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.login-form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.login-form-group input::placeholder {
  color: var(--text-muted);
}

.login-form-group input:hover:not(:disabled) {
  border-color: var(--border-secondary);
  background: var(--bg-elevated);
}

.login-form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
  background: var(--bg-elevated);
}

.login-form-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Submit button */
.login-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 8px;
  box-shadow: var(--shadow-sm), 0 0 20px rgba(16, 185, 129, 0.2);
}

.login-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(16, 185, 129, 0.3);
}

.login-submit:active:not(:disabled) {
  transform: translateY(0);
}

.login-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Loading spinner */
.login-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Loading state */
.login-loading {
  text-align: center;
  padding: 64px 32px;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
}

/* Footer */
.login-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
}

.login-footer p {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* SSO Divider */
.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.login-divider span {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

/* SSO Button */
.login-sso-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-sso-button:hover {
  background: var(--bg-hover);
  border-color: var(--border-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.login-sso-button:active {
  transform: translateY(0);
}

.login-sso-button svg {
  color: var(--accent-primary);
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
  }

  .login-logo {
    width: 64px;
    height: 64px;
  }

  .login-logo svg {
    width: 36px;
    height: 36px;
  }

  .login-header h1 {
    font-size: 1.25rem;
  }
}