/**
 * Eyexapp Admin - Login Page Styles
 */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

/* Background Animation */
.login-page::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
  animation: backgroundMove 20s ease infinite;
}

@keyframes backgroundMove {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-5%, -5%); }
}

/* Login Container */
.login-container {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

/* Logo & Header */
.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.login-logo svg {
  width: 48px;
  height: 48px;
  fill: var(--heading-color);
}

.login-logo-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--heading-color);
  letter-spacing: 1px;
}

.login-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-color);
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-color);
  opacity: 0.7;
  margin-top: var(--spacing-xs);
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--heading-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-label svg {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--heading-color);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-color);
  opacity: 0.5;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Password Input Group */
.input-group {
  position: relative;
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  padding-right: 48px;
}

.input-group-append {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
}

.btn-toggle-password {
  color: var(--text-color);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.btn-toggle-password:hover {
  opacity: 1;
}

.btn-toggle-password svg {
  width: 20px;
  height: 20px;
}

/* Remember & Forgot */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-color);
}

.form-check-label {
  color: var(--text-color);
}

.forgot-link {
  color: var(--text-color);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.forgot-link:hover {
  opacity: 1;
}

/* Submit Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--heading-color);
  color: var(--bg-color);
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Error Message */
.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--error-color);
  font-size: 0.875rem;
}

.login-error svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.login-error:empty {
  display: none;
}

/* Footer */
.login-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  font-size: 0.75rem;
  color: var(--text-color);
  opacity: 0.5;
}

.login-footer a {
  color: var(--heading-color);
  opacity: 0.8;
}

.login-footer a:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    padding: var(--spacing-md);
  }

  .login-box {
    padding: var(--spacing-lg);
  }

  .login-logo-text {
    font-size: 1.5rem;
  }
}