/* ============================================================
   TYPE FLOW — components.css
   Reusable UI components: buttons, cards, modals, drawers,
   toasts, sliders, filters, command palette, theme grid
   ============================================================ */

/* ============================================================
   1. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-normal);
  color: var(--text-secondary);
  background-color: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-instant, 80ms) var(--ease-snap),
    box-shadow var(--transition-fast);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn:hover {
  color: var(--text-primary);
  background-color: var(--surface-hover);
  border-color: var(--border-strong);
}

.btn:active {
  transform: scale(0.97);
}

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

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Primary button --- */
.btn--primary {
  color: var(--bg);
  background-color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.btn--primary:hover {
  color: var(--bg);
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.btn--primary:active {
  box-shadow: 0 0 0 0 var(--accent-dim);
}

/* --- Danger button --- */
.btn--danger {
  color: var(--error);
  background-color: var(--error-dim);
  border-color: transparent;
}

.btn--danger:hover {
  color: #fff;
  background-color: var(--error);
  border-color: var(--error);
}

/* --- Small button --- */
.btn--sm {
  padding: var(--space-2xs) var(--space-sm);
  font-size: var(--text-xs);
}

/* --- Ghost button --- */
.btn--ghost {
  background-color: transparent;
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--surface);
}

/* ============================================================
   2. ICON BUTTON
   ============================================================ */

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-xs);
  min-width: 36px;
  min-height: 36px;
  color: var(--text-secondary);
  background-color: transparent;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-instant, 80ms) var(--ease-snap);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.icon-btn:hover {
  color: var(--text-primary);
  background-color: var(--surface);
  border-color: var(--border);
}

.icon-btn:active {
  transform: scale(0.94);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
   3. CONFIG BAR + CONFIG BUTTONS
   ============================================================ */

.config-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.config-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs);
}

.config-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border-strong);
  margin: 0 var(--space-2xs);
  flex-shrink: 0;
}

.config-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background-color: transparent;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-instant, 80ms) var(--ease-snap);
}

.config-btn:hover {
  color: var(--text-primary);
  background-color: var(--surface);
}

.config-btn:active {
  transform: scale(0.96);
}

.config-btn.active {
  color: var(--bg);
  background-color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.config-btn.active:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.config-btn__icon {
  font-size: var(--text-sm);
  line-height: 1;
  opacity: 0.7;
}

.config-btn.active .config-btn__icon {
  opacity: 1;
}

.config-btn__label {
  line-height: 1;
}

/* ============================================================
   4. CARDS
   ============================================================ */

.card {
  padding: var(--space-lg);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.card:hover {
  border-color: var(--border-strong);
}

.card__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

/* --- Stat card (used in stats hero) --- */
.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-lg);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-base);
}

.stat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.stat-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-card__value {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: var(--tracking-tight);
}

.stat-card__sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --- Stats section card --- */
.stats-card {
  padding: var(--space-lg);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-lg);
}

.stats-card__title {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.stats-card__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.stats-chart {
  width: 100%;
  height: 200px;
  position: relative;
}

/* --- PB item --- */
.pb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.pb-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: var(--border-width) solid transparent;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.pb-item:hover {
  border-color: var(--accent-dim);
  transform: translateY(-1px);
}

.pb-item__mode {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.pb-item__value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.pb-item__date {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-muted);
}

/* --- Recent activity --- */
.recent-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.recent-item {
  display: grid;
  grid-template-columns: 100px 1fr 80px 80px;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--surface);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  transition: background-color var(--transition-fast);
}

.recent-item:hover {
  background-color: var(--surface-hover);
}

.recent-item__time {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.recent-item__mode {
  color: var(--text-secondary);
}

.recent-item__wpm {
  color: var(--accent);
  font-weight: 600;
  text-align: right;
}

.recent-item__acc {
  color: var(--text-secondary);
  text-align: right;
}

/* ============================================================
   5. MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background-color: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}

.modal-overlay:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-overlay--top {
  align-items: flex-start;
  padding-top: 12vh;
}

.modal {
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  transition:
    transform var(--duration-base) var(--ease-out),
    opacity var(--duration-base) var(--ease-out);
}

.modal-overlay:not([hidden]) .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
}

.modal__title {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

.modal__footer {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  padding: var(--space-lg);
  border-top: var(--border-width) solid var(--border);
  flex-wrap: wrap;
}

/* --- Results modal specific --- */
.modal--results {
  max-width: 720px;
}

.results-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
}

.results-hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.results-hero__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.results-hero__value {
  font-family: var(--font-mono);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: var(--tracking-tight);
  font-variant-numeric: tabular-nums;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  padding: var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.result-item__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.result-item__value {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.results-chart {
  padding: var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
}

.results-chart svg {
  width: 100%;
  height: 180px;
  display: block;
}

.results-actions {
  justify-content: space-between;
}

/* --- Custom text modal specific --- */
.modal--custom-text {
  max-width: 780px;
}

.custom-text-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-lg);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.custom-text-area {
  width: 100%;
  min-height: 220px;
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background-color: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.custom-text-area:focus {
  border-color: var(--accent);
  outline: none;
}

.custom-text-area::placeholder {
  color: var(--text-dim);
}

.custom-text-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* ============================================================
   6. DRAWER (settings)
   ============================================================ */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-drawer-overlay);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.drawer-overlay:not([hidden]) {
  opacity: 1;
}

.drawer-overlay[hidden] {
  display: none;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-elevated);
  border-left: var(--border-width) solid var(--border-strong);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.drawer:not([hidden]) {
  transform: translateX(0);
}

.drawer[hidden] {
  display: flex;
  pointer-events: none;
  transform: translateX(100%);
}

.drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
  flex-shrink: 0;
}

.drawer__title {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

.drawer__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding: var(--space-lg);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

/* --- Settings section --- */
.settings-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.settings-section__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: var(--space-xs);
  border-bottom: var(--border-width) solid var(--border);
}

.settings-section--danger .settings-section__title {
  color: var(--error);
  border-color: var(--error-dim);
}

/* --- Setting row --- */
.setting-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.setting-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.setting-control {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  padding: 3px;
  background-color: var(--surface);
  border-radius: var(--radius-md);
  border: var(--border-width) solid transparent;
}

.setting-control--grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  width: 100%;
}

.setting-control .config-btn {
  padding: var(--space-2xs) var(--space-sm);
  font-size: var(--text-xs);
}

/* ============================================================
   7. FILTERS (leaderboard)
   ============================================================ */

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  margin-bottom: var(--space-lg);
}

.filter-group__title {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2xs);
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background-color: transparent;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  background-color: var(--surface);
}

.filter-btn.active {
  color: var(--accent);
  background-color: var(--accent-dim);
  font-weight: 600;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 320px;
  overflow-y: auto;
}

/* ============================================================
   8. THEME GRID
   ============================================================ */

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: var(--space-xs);
}

.theme-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  background-color: var(--surface);
  border: var(--border-width-thick) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-swatch::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--swatch-bg, transparent) 0%, var(--swatch-bg, transparent) 50%, var(--swatch-accent, transparent) 50%, var(--swatch-accent, transparent) 100%);
  opacity: 0.85;
  z-index: 0;
}

.theme-swatch__name {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 600;
  color: var(--swatch-text, #fff);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  text-align: center;
  line-height: 1.2;
}

.theme-swatch__accent {
  position: relative;
  z-index: 1;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background-color: var(--swatch-accent, #fff);
  box-shadow: 0 0 8px var(--swatch-accent, #fff);
}

.theme-swatch:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.theme-swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ============================================================
   9. COMMAND PALETTE
   ============================================================ */

.command-palette {
  width: 100%;
  max-width: 620px;
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(-12px) scale(0.98);
  opacity: 0;
  transition:
    transform var(--duration-base) var(--ease-out),
    opacity var(--duration-base) var(--ease-out);
}

.modal-overlay:not([hidden]) .command-palette {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.command-palette__input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-width) solid var(--border);
}

.command-palette__icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.command-palette__input {
  width: 100%;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-md);
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
}

.command-palette__input::placeholder {
  color: var(--text-dim);
}

.command-palette__list {
  max-height: 60vh;
  overflow-y: auto;
  padding: var(--space-xs);
}

/* --- Command item --- */
.command-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.command-item__label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.command-item__icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.command-item__category {
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.command-item:hover,
.command-item.selected {
  color: var(--text-primary);
  background-color: var(--surface);
}

.command-item.selected {
  background-color: var(--accent-dim);
  color: var(--accent);
}

.command-item.selected .command-item__category {
  color: var(--accent);
  opacity: 0.7;
}

/* ============================================================
   10. TOASTS
   ============================================================ */

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-primary);
  pointer-events: auto;
  animation: toast-in var(--duration-base) var(--ease-spring);
  max-width: 100%;
}

.toast--error {
  border-left-color: var(--error);
}

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

.toast--info {
  border-left-color: var(--accent);
}

.toast__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}

.toast--error .toast__icon { color: var(--error); }
.toast--success .toast__icon { color: var(--success); }

.toast__message {
  flex: 1;
  min-width: 0;
}

.toast__dismiss {
  padding: 2px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

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

.toast__dismiss svg {
  width: 14px;
  height: 14px;
}

.toast.leaving {
  animation: toast-out var(--duration-fast) var(--ease-out) forwards;
}

/* ============================================================
   11. SLIDER (range input)
   ============================================================ */

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  max-width: 180px;
  height: 4px;
  background: var(--surface);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

/* ============================================================
   12. COLOR INPUT
   ============================================================ */

.color-input {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.color-input:hover {
  transform: scale(1.05);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
}

.color-input::-moz-color-swatch {
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
}

/* ============================================================
   13. LEADERBOARD TABLE
   ============================================================ */

.leaderboard-table-wrap {
  overflow-x: auto;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-lg);
  background-color: var(--bg-elevated);
}

.leaderboard-table {
  width: 100%;
  min-width: 720px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.leaderboard-table th {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  border-bottom: var(--border-width) solid var(--border);
  background-color: var(--surface);
  white-space: nowrap;
}

.leaderboard-table th.col-wpm,
.leaderboard-table th.col-acc,
.leaderboard-table th.col-raw,
.leaderboard-table th.col-cons {
  text-align: right;
}

.leaderboard-table td {
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  border-bottom: var(--border-width) solid var(--border);
  white-space: nowrap;
}

.leaderboard-table tbody tr {
  transition: background-color var(--transition-fast);
}

.leaderboard-table tbody tr:hover {
  background-color: var(--surface);
}

.leaderboard-table tbody tr:last-child td {
  border-bottom: none;
}

.leaderboard-table td.col-rank {
  color: var(--text-muted);
  font-weight: 600;
}

.leaderboard-table td.col-wpm,
.leaderboard-table td.col-acc,
.leaderboard-table td.col-raw,
.leaderboard-table td.col-cons {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.leaderboard-table td.col-wpm {
  color: var(--accent);
  font-weight: 700;
}

.leaderboard-table td.col-name {
  color: var(--text-primary);
}

.leaderboard-empty td {
  padding: 0;
}

/* ============================================================
   14. KEYFRAMES (component-scoped)
   ============================================================ */

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(24px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateX(24px) scale(0.96);
  }
}

/* ============================================================
   15. RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .config-bar {
    padding: var(--space-2xs) var(--space-xs);
    gap: var(--space-2xs);
  }

  .config-divider {
    display: none;
  }

  .results-hero {
    padding: var(--space-lg) var(--space-md);
  }

  .results-hero__value {
    font-size: var(--text-4xl);
  }
}

@media (max-width: 640px) {
  .modal {
    max-height: 95vh;
    border-radius: var(--radius-lg);
  }

  .modal-overlay {
    padding: var(--space-sm);
  }

  .modal-overlay--top {
    padding-top: 6vh;
  }

  .modal__header,
  .modal__footer,
  .results-hero,
  .results-grid,
  .results-chart {
    padding: var(--space-md);
  }

  .results-hero {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .results-hero__value {
    font-size: var(--text-3xl);
  }

  .drawer {
    max-width: none;
    border-left: none;
  }

  .theme-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }

  .setting-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }

  .setting-control {
    width: 100%;
    justify-content: flex-start;
  }

  .setting-control--grid {
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  }

  .recent-item {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-2xs);
  }

  .recent-item__wpm,
  .recent-item__acc {
    text-align: left;
  }
}

/* ============================================================
   16. REDUCED MOTION OVERRIDES
   ============================================================ */

html[data-reduce-motion="true"] .modal,
html[data-reduce-motion="true"] .command-palette,
html[data-reduce-motion="true"] .drawer,
html[data-reduce-motion="true"] .toast {
  transition: none !important;
  animation: none !important;
}

html[data-reduce-motion="true"] .card:hover,
html[data-reduce-motion="true"] .stat-card:hover,
html[data-reduce-motion="true"] .pb-item:hover,
html[data-reduce-motion="true"] .theme-swatch:hover {
  transform: none !important;
}