/* =============================================
   Components Extra — Badges, chips, progress,
   avatars, skeleton, toast, modal, toggle
   ============================================= */

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge-success {
  background: var(--color-success);
}

.badge-warning {
  background: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger);
}

.badge-secondary {
  background: var(--color-text-secondary);
}

.badge-outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.badge-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ── Chip ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  transition: background var(--transition-fast);
}

.chip-active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.chip-outline {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

.chip-outline.chip-active {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* ── Tag ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.tag-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.tag-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.tag-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* ── Progress bar ── */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  transition: width 500ms var(--ease-out);
}

.progress-bar-success .progress-bar-fill {
  background: var(--color-success);
}

.progress-bar-warning .progress-bar-fill {
  background: var(--color-warning);
}

.progress-bar-lg {
  height: 10px;
}

/* ── Progress ring (circular) ── */
.progress-ring {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-ring > svg:first-child {
  transform: rotate(-90deg);
}

.progress-ring-track {
  fill: none;
  stroke: var(--color-border);
}

.progress-ring-fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 600ms var(--ease-out);
}

.progress-ring-label {
  position: absolute;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

/* ── Avatar ── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-xs);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--font-size-lg);
}

.avatar-xl {
  width: 72px;
  height: 72px;
  font-size: var(--font-size-xl);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-md) 0;
}

.divider-strong {
  background: var(--color-border-strong);
}

/* ── Skeleton loading ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-skeleton-base) 25%,
    var(--color-skeleton-shimmer) 50%,
    var(--color-skeleton-base) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  color: transparent;
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-sm);
  border-radius: var(--radius-xs);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-heading {
  height: 22px;
  width: 50%;
  margin-bottom: var(--space-md);
}

.skeleton-circle {
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-lg);
}

/* ── Toast notification ── */
#toast-container {
  position: fixed;
  top: calc(var(--safe-area-top) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  pointer-events: none;
  width: auto;
  max-width: calc(100vw - var(--space-xl));
}

.toast {
  --toast-offset: 0px;
  position: absolute;
  top: 0;
  left: 50%;
  pointer-events: auto;
  max-width: calc(100vw - var(--space-xl));
  width: max-content;
  min-width: 220px;
  padding: 12px var(--space-md);
  background: var(--color-surface-solid);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  opacity: 0;
  transform: translateX(-50%) translateY(calc(-120% + var(--toast-offset))) scale(0.95);
  transition: opacity var(--duration-slow) var(--ease-spring),
    transform var(--duration-slow) var(--ease-spring);
}

.toast-message {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.toast-action {
  flex-shrink: 0;
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toast-action:hover {
  background: var(--color-primary-bg);
}

.toast-action:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(var(--toast-offset)) scale(1);
}

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

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

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

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

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

.toast-exit {
  opacity: 0;
  transform: translateX(-50%) translateY(calc(-120% + var(--toast-offset))) scale(0.95);
}

/* ── Modal ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-md);
  animation: fadeIn var(--duration-base) var(--ease-out) both;
}

.modal-content {
  width: 100%;
  max-width: var(--content-max-width);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--color-surface-solid);
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-lg) var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  animation: modalIn var(--duration-slow) var(--ease-spring) both;
}

.modal-handle {
  width: 36px;
  height: 4px;
  background: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-md);
  opacity: 0.5;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.modal-actions .btn {
  flex: 1;
}

/* ── Toggle switch ── */
.toggle {
  position: relative;
  display: inline-flex;
  width: 51px;
  height: 31px;
  cursor: pointer;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

.toggle input:checked + .toggle-track {
  background: var(--color-primary);
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  background: var(--color-surface-solid);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-spring);
}

.toggle input:checked ~ .toggle-thumb {
  transform: translateX(20px);
}

/* ── Empty state ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.empty-state-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 260px;
}

/* ── Error state (network/load failure) ── */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  gap: var(--space-sm);
}

.error-state-icon {
  width: 36px;
  height: 36px;
  color: var(--color-text-tertiary);
  opacity: 0.7;
}

.error-state-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text);
}

.error-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 280px;
  margin: 0;
}

.error-state-retry {
  margin-top: var(--space-sm);
}

/* ── Confirm modal ── */
.confirm-modal-content {
  text-align: center;
  max-width: 380px;
}

.confirm-modal-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-full);
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.confirm-modal-icon i,
.confirm-modal-icon svg {
  width: 28px;
  height: 28px;
}

.confirm-modal-icon--danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.confirm-modal-icon--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.confirm-modal-title {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.confirm-modal-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0 0 var(--space-sm);
}

.confirm-modal-closing {
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

/* ── Notification cards ── */
.notif-card {
  position: relative;
  transition: background var(--transition-fast);
}

.notif-card-unread::before {
  content: '';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.notif-card-unread {
  border-color: var(--color-primary);
}

.notif-card-actionable {
  cursor: pointer;
}

.notif-card-actionable:hover {
  background: var(--color-bg-hover, rgba(0, 0, 0, 0.03));
}

.notif-action {
  text-decoration: none;
}

/* ── Product tour ── */
.tour-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  pointer-events: auto;
  background: transparent;
  animation: fadeIn var(--duration-base) var(--ease-out) both;
}

.tour-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  pointer-events: none;
}

.tour-spotlight {
  position: absolute;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 9999px var(--color-overlay), 0 0 0 3px var(--color-primary);
  transition: top 220ms var(--ease-out), left 220ms var(--ease-out),
    width 220ms var(--ease-out), height 220ms var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

.tour-card {
  position: absolute;
  z-index: 2;
  width: min(360px, calc(100vw - 32px));
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  border-radius: var(--radius-xl);
  background: var(--color-surface-solid);
  box-shadow: var(--shadow-xl);
  transition: top 220ms var(--ease-out), left 220ms var(--ease-out);
}

.tour-skip {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tour-skip:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.tour-skip:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.tour-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  margin: 0 var(--space-xl) var(--space-xs) 0;
  color: var(--color-text);
}

.tour-body {
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.tour-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.tour-progress {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}

.tour-actions {
  display: inline-flex;
  gap: var(--space-sm);
}

.tour-overlay-closing {
  opacity: 0;
  transition: opacity 200ms var(--ease-out);
}

@media (prefers-reduced-motion: reduce) {
  .tour-spotlight,
  .tour-card {
    transition: none;
  }
}