/* ===========================
   My Inner Window - Auth Styles
   =========================== */

/* ---- Auth Buttons in Nav ---- */
.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.auth-buttons .btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-xs);
  white-space: nowrap;
}

.auth-buttons .btn--login {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.auth-buttons .btn--login:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.auth-buttons .btn--signup {
  background: var(--gradient-button);
  color: white;
}

.auth-buttons .btn--signup:hover {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

/* ---- Logged-in User State ---- */
.nav__user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__user-greeting {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
}

.nav__user-greeting strong {
  color: var(--accent-teal);
}

.nav__user .btn--logout {
  padding: 0.4rem 1rem;
  font-size: var(--fs-xs);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.nav__user .btn--logout:hover {
  color: var(--error);
  border-color: var(--error);
}

/* ---- Auth Modal ---- */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.auth-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.auth-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 440px;
  width: 100%;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
  max-height: 90vh;
  overflow-y: auto;
}

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

.auth-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--fs-xl);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
  padding: var(--space-xs);
}

.auth-modal__close:hover {
  color: var(--text-primary);
}

/* ---- Modal Tabs ---- */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-color);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: var(--space-md) var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  transition: color var(--transition-fast);
}

.auth-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.auth-tab.active {
  color: var(--text-primary);
}

.auth-tab.active::after {
  opacity: 1;
}

.auth-tab:hover {
  color: var(--text-secondary);
}

/* ---- Auth Forms ---- */
.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

.auth-form__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-xs);
}

.auth-form__subtitle {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-xl);
}

.auth-field {
  margin-bottom: var(--space-md);
}

.auth-field label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.auth-field input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.auth-field input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.auth-field input.input--error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ---- Form Error Message ---- */
.auth-error {
  color: var(--error);
  font-size: var(--fs-xs);
  margin-top: var(--space-xs);
  display: none;
}

.auth-error.visible {
  display: block;
}

.auth-form__error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--error);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
  display: none;
}

.auth-form__error.visible {
  display: block;
}

/* ---- Password Field with Visibility Toggle ---- */
.pw-field-wrap {
  position: relative;
}

.pw-field-wrap input {
  padding-right: 2.75rem;
}

.pw-toggle {
  position: absolute;
  top: 50%;
  right: 0.75rem;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
  line-height: 1;
}

.pw-toggle:hover {
  color: var(--text-primary);
}

.pw-toggle--active {
  color: var(--accent-teal);
}

/* ---- Password Requirements Checklist ---- */
.pw-requirements {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.pw-requirements li {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color var(--transition-fast);
}

.pw-requirements li .pw-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.pw-requirements li.met {
  color: var(--success);
}

.pw-requirements li.met .pw-icon {
  border-color: var(--success);
  background: var(--success);
  color: white;
}

/* ---- Form Submit Button ---- */
.auth-form .btn--submit {
  width: 100%;
  margin-top: var(--space-lg);
  padding: 0.85rem;
}

.auth-form .btn--submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---- Form Switch Link ---- */
.auth-switch {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.auth-switch a {
  color: var(--accent-teal);
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.auth-switch a:hover {
  color: var(--teal-light);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .auth-buttons {
    width: 100%;
    justify-content: center;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-sm);
  }

  .auth-buttons .btn {
    flex: 1;
    text-align: center;
  }

  .nav__user {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-sm);
  }

  .auth-modal {
    margin: var(--space-md);
    padding: var(--space-xl);
    max-height: 85vh;
  }

  .pw-requirements {
    grid-template-columns: 1fr;
  }
}