/* ============================================================
   Auth Modal Component
   5 Minute Mock — Theme-Aware Design
   ============================================================ */

.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0A5A54 0%, #0F766E 50%, #14B8A6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

/* Dark theme background */
[data-theme="dark"] .auth-modal {
  background: linear-gradient(135deg, #0F0D0B 0%, #171412 50%, #1C1917 100%);
}

/* Subtle background pattern */
.auth-modal::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

[data-theme="dark"] .auth-modal::before {
  background-image: radial-gradient(rgba(45, 212, 191, 0.08) 1px, transparent 1px);
}

.auth-container {
  position: relative;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-10);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-border);
  animation: authFadeIn 0.4s ease-out;
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

@keyframes authFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-9);
}

.auth-logo-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-5);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-primary);
  transition: background-color var(--transition-theme);
}

.auth-logo h1 {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-1-5);
  letter-spacing: var(--tracking-tight);
}

.auth-logo p {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.auth-form-group label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.auth-form-group input {
  padding: var(--space-3-5) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  transition: all var(--transition-base);
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.auth-form-group input::placeholder {
  color: var(--color-text-subtle);
}

.auth-form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-focus);
}

.auth-submit-btn {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border: none;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: var(--space-2);
  box-shadow: var(--shadow-primary);
}

.auth-submit-btn:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
}

.auth-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.auth-error {
  color: var(--color-danger);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-3-5);
  background: var(--color-danger-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-danger);
  display: none;
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.auth-error:not(:empty) {
  display: block;
}

.auth-success {
  color: var(--color-success);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-3-5);
  background: var(--color-success-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-success);
  display: none;
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.auth-success:not(:empty) {
  display: block;
}

.auth-switch {
  text-align: center;
  margin-top: var(--space-7);
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: border-color var(--transition-theme);
}

.auth-switch a {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-switch a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.auth-forgot-password {
  text-align: right;
  margin-top: calc(-1 * var(--space-3));
  margin-bottom: var(--space-2);
}

.auth-forgot-password a {
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-forgot-password a:hover {
  color: var(--color-primary);
}

.auth-form-header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.auth-form-header h2 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.auth-form-header p {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-text-subtle);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
  transition: background-color var(--transition-theme);
}

/* ========== Mobile Responsive ========== */
@media (max-width: 768px) {
  .auth-container {
    margin: var(--space-5);
    padding: var(--space-9) var(--space-7);
    max-width: none;
  }

  .auth-logo-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .auth-form-group input {
    min-height: var(--touch-target-min);
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .auth-submit-btn {
    min-height: var(--touch-target-min);
  }
}

@media (max-width: 480px) {
  .auth-container {
    margin: var(--space-4);
    padding: var(--space-7) var(--space-5);
    border-radius: var(--radius-lg);
  }

  .auth-logo h1 {
    font-size: var(--text-xl);
  }

  .auth-logo-icon {
    width: 44px;
    height: 44px;
    font-size: 18px;
    margin-bottom: var(--space-4);
  }

  .auth-form-group input {
    padding: var(--space-3) var(--space-3-5);
  }

  .auth-submit-btn {
    padding: var(--space-3-5) var(--space-5);
  }

  .auth-switch {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
  }
}

/* ============================================================
   Generic Modal Styles
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 500px;
  width: calc(100% - var(--space-8));
  max-height: calc(100vh - var(--space-16));
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-border);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-slow), background-color var(--transition-theme);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.modal-body {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 480px) {
  .modal {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .modal-footer {
    flex-direction: column;
  }

  .modal-footer button {
    width: 100%;
  }
}