/* --- Auth: Header Sign-In & Profile --- */

.header__auth {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  z-index: 20;
}

.header__signin-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface-raised);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
}

.header__signin-btn:hover {
  background: rgba(139, 92, 246, 0.08);
  border-color: var(--color-primary);
}

.header__signin-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Header profile (signed in) */

.header__profile {
  position: relative;
}

.header__profile-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: #fff;
  background: var(--gradient-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header__profile-btn:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

.header__profile-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.header__profile-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.header__profile-dropdown {
  position: absolute;
  top: calc(100% + var(--space-xs));
  right: 0;
  width: 240px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs) 0;
  z-index: 100;
}

.header__profile-dropdown[hidden] {
  display: none;
}

.header__profile-info {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.header__profile-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__profile-email {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin: var(--space-2xs) 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__profile-signout {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  text-align: left;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.header__profile-signout:hover {
  background: var(--color-ghost-hover);
}

.header__profile-signout:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* --- Auth: Sidebar (secondary, kept for keyboard nav) --- */

.auth-profile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-profile__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: #fff;
  background: var(--gradient-primary);
  transition: box-shadow var(--transition-fast);
}

.auth-profile__avatar:hover {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.auth-profile__avatar:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.auth-profile__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.auth-profile__dropdown {
  position: absolute;
  bottom: calc(100% + var(--space-sm));
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
  z-index: 100;
}

.auth-profile__dropdown[hidden] {
  display: none;
}

.auth-profile__info {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.auth-profile__name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-profile__email {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-profile__signout {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  text-align: left;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.auth-profile__signout:hover {
  background: var(--color-ghost-hover);
}

/* Sign-in button container (sidebar) */
.auth-signin {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
}

/* --- Auth Error Banner (inline, near form) --- */

.auth-error {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: 600px;
  margin: 0 auto var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-md);
  color: var(--color-error-text);
  font-size: var(--text-sm);
  animation: auth-error-in 0.3s ease-out;
}

.auth-error[hidden] {
  display: none;
}

.auth-error svg {
  flex-shrink: 0;
  color: var(--color-error);
}

.auth-error__link {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  font-size: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.auth-error__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@keyframes auth-error-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Auth Toast --- */

.auth-toast {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-sm) var(--space-md);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  z-index: 200;
  animation: toast-in 0.3s ease-out;
  max-width: 360px;
}

.auth-toast--success {
  border-left: 3px solid var(--color-success);
}

.auth-toast--warning {
  border-left: 3px solid var(--color-warning);
}

.auth-toast[hidden] {
  display: none;
}

.auth-toast__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.auth-toast__text strong {
  display: block;
  font-weight: var(--font-semibold);
  margin-bottom: 2px;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px) translateX(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0) translateX(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

/* Pulse animation for auth-required (sidebar, kept as secondary) */
@keyframes auth-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(139, 92, 246, 0);
  }
}

.auth-signin--highlight {
  animation: auth-pulse 0.6s ease-in-out 3;
}

/* --- Confirm Dialog --- */

.confirm-dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  animation: confirm-fade-in 0.15s ease-out;
}

.confirm-dialog {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  max-width: 340px;
  width: 90%;
  animation: confirm-slide-in 0.2s ease-out;
}

.confirm-dialog__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
}

.confirm-dialog__message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-lg);
  line-height: 1.5;
}

.confirm-dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.confirm-dialog__cancel {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.confirm-dialog__cancel:hover {
  background: var(--color-ghost-hover);
}

.confirm-dialog__cancel:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.confirm-dialog__confirm {
  padding: var(--space-xs) var(--space-md);
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-error);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.confirm-dialog__confirm:hover {
  opacity: 0.9;
}

.confirm-dialog__confirm:focus-visible {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

@keyframes confirm-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes confirm-slide-in {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}