/* ===========================================
   TMNT: Splintered Fate - Components
   Cards, buttons, filters, tabs, badges, modals
   Zero !important - all specificity via variables
   =========================================== */

/* ---- Icons ---- */
.icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.88;
}

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

.btn-small {
  font-size: var(--text-xs);
  padding: var(--sp-1) var(--sp-3);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--muted);
  color: var(--foreground);
  opacity: 1;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.icon-btn:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: var(--border-hover);
}

/* Theme toggle icon visibility */
/* Dark themes: show sun icon, hide moon */
[data-theme="dark"] .icon-sun,
[data-theme="raphael"] .icon-sun,
[data-theme="metalhead"] .icon-sun,
[data-theme="casey-jones"] .icon-sun,
[data-theme="donatello"] .icon-sun,
[data-theme="michelangelo-dark"] .icon-sun,
[data-theme="leonardo-dark"] .icon-sun {
  display: inline-block;
}

[data-theme="dark"] .icon-moon,
[data-theme="raphael"] .icon-moon,
[data-theme="metalhead"] .icon-moon,
[data-theme="casey-jones"] .icon-moon,
[data-theme="donatello"] .icon-moon,
[data-theme="michelangelo-dark"] .icon-moon,
[data-theme="leonardo-dark"] .icon-moon {
  display: none;
}

/* Light themes: show moon icon, hide sun */
[data-theme="light"] .icon-sun,
[data-theme="michelangelo"] .icon-sun,
[data-theme="leonardo"] .icon-sun,
[data-theme="raphael-light"] .icon-sun,
[data-theme="metalhead-light"] .icon-sun,
[data-theme="casey-jones-light"] .icon-sun,
[data-theme="donatello-light"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon,
[data-theme="michelangelo"] .icon-moon,
[data-theme="leonardo"] .icon-moon,
[data-theme="raphael-light"] .icon-moon,
[data-theme="metalhead-light"] .icon-moon,
[data-theme="casey-jones-light"] .icon-moon,
[data-theme="donatello-light"] .icon-moon {
  display: inline-block;
}

/* ---- Character Buttons ---- */
.char-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1);
  border-radius: var(--radius);
  border: 2px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.char-btn:hover {
  border-color: var(--border-hover);
  color: var(--foreground);
}

.char-btn.active {
  border-color: var(--primary);
  color: var(--primary);
}

.char-btn-portrait {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.char-btn:hover .char-btn-portrait {
  border-color: var(--border-hover);
}

.char-btn.active .char-btn-portrait {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.char-btn-name {
  line-height: 1;
}

/* ---- Sidebar Nameplate ---- */
.sidebar-nameplate {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

/* ---- Tabs ---- */
.tab-btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--sp-2) var(--sp-4);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

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

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ---- Tab Buttons Wrapper (inside tab-bar) ---- */
.tab-buttons {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
  flex: 1;
  min-width: 0;
}

.tab-search-input {
  margin-left: auto;
  flex-shrink: 0;
}

/* ---- Tab Match Badge (cross-tab search indicator) ---- */
.tab-match-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 10px;
  font-weight: 700;
  margin-left: var(--sp-1);
  line-height: 1;
}

.tab-match-badge.hidden {
  display: none;
}

/* ---- Filter Pills ---- */
.filter-group {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
  flex-wrap: wrap;
}

.filter-group-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-right: var(--sp-1);
}

.inspiration-group-header {
  padding: var(--sp-2) 0 var(--sp-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-2);
}

.inspiration-group-header:first-child {
  padding-top: 0;
}

.filter-pill {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--border-hover);
  background: var(--muted);
}

.filter-pill.active {
  border-color: var(--el-color);
  background: var(--el-bg);
  color: var(--el-color);
}

.filter-pill[data-filter="all"].active,
.filter-pill[data-section].active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

/* ---- Search Input ---- */
.search-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.search-wrapper .search-input {
  padding-right: var(--sp-6);
}

.search-clear {
  position: absolute;
  right: var(--sp-1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: var(--muted);
  color: var(--text-secondary);
  font-size: var(--text-md);
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.search-clear:hover {
  background: var(--border-hover);
  color: var(--foreground);
}

.search-clear.hidden {
  display: none;
}

.search-input {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--input);
  color: var(--foreground);
  outline: none;
  transition: border-color var(--transition-fast);
  width: 180px;
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

.search-input:focus {
  border-color: var(--primary);
}

/* ---- Separator ---- */
.filter-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 var(--sp-2);
}

/* ---- Cards ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  justify-content: space-between;
}

.card-name {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--foreground);
  line-height: 1.2;
}


.card-badges {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
}

.card-effect {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}

.effect-value {
  color: var(--primary);
  font-weight: 700;
}

.card-meta {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  flex-wrap: wrap;
  margin-top: auto;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 1px var(--sp-2);
  border-radius: var(--radius);
  white-space: nowrap;
  line-height: 1.6;
}

.badge-type {
  background: var(--el-bg);
  color: var(--el-color);
  border: 1px solid var(--el-border);
}

.badge-type[data-type="elemental"] {
  background: linear-gradient(135deg,
    var(--el-water) 0%, var(--el-flame) 18%, var(--el-ooze) 36%,
    var(--el-utrom) 54%, var(--el-light) 72%, var(--el-robotics) 90%);
  color: #fff;
  border: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.badge-slot {
  background: var(--muted);
  color: var(--muted-foreground);
}

.badge-tier-1,
.badge-tier-2,
.badge-tier-3 {
  gap: 2px;
  padding: 2px var(--sp-1);
}

.badge-tier-1 {
  background: var(--muted);
  color: var(--text-tertiary);
}

.badge-tier-2 {
  background: var(--info-muted);
  color: var(--info);
}

.badge-tier-3 {
  background: var(--warning-muted);
  color: var(--warning);
}

.badge-tier-1 svg,
.badge-tier-2 svg,
.badge-tier-3 svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}


.badge-synergy {
  background: var(--warning-muted);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.badge-legendary {
  background: var(--el-legendary-bg);
  color: var(--el-legendary);
  border: 1px solid var(--el-legendary-border);
}

.badge-starting {
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: var(--text-xs);
}

/* ---- Card States ---- */
.card.in-build {
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-sm);
  background: color-mix(in srgb, var(--primary) 5%, var(--card));
}

.card.in-build .card-name {
  color: var(--primary);
}

.card.in-build .card-effect {
  color: var(--foreground);
}

.card.in-build::after {
  content: '\2713';
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  z-index: 3;
}

/* When card has edge zones, offset checkmark left of the + tap button */
.card.upgrade-card.in-build::after {
  right: calc(10% + var(--sp-1));
}

.card.synergy-highlight {
  border-color: var(--warning);
  box-shadow: 0 0 0 1px var(--warning), var(--shadow-sm);
}

.card.available-highlight {
  border-color: var(--success);
  box-shadow: 0 0 0 1px var(--success), var(--shadow-sm);
}

.card.locked {
  opacity: 0.4;
}

/* Legendary prerequisite progress: combo badge highlight when prereq met */
.badge.combo-met {
  box-shadow: 0 0 6px 1px currentColor;
}

/* Legendary card: partial progress (some prereqs met) */
.card.legendary-partial {
  border-color: var(--border-hover);
}

/* Legendary card: fully ready (all prereqs met) */
.card.legendary-ready {
  box-shadow: 0 0 8px 2px hsla(50, 80%, 55%, 0.35);
}

/* Discovery mode toggle button */
.discovery-toggle {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.discovery-toggle:hover {
  border-color: var(--border-hover);
  background: var(--muted);
}
.discovery-toggle.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

.card.starting-inspiration {
  border-left: 3px solid var(--primary);
}

/* Shake animation for blocked deselection */
.card.shake {
  animation: card-shake 0.4s ease;
}

@keyframes card-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

/* Dependency tooltip */
.dep-tooltip {
  position: absolute;
  bottom: calc(100% + var(--sp-1));
  left: 50%;
  transform: translateX(-50%);
  background: var(--foreground);
  color: var(--background);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.dep-tooltip.visible {
  opacity: 1;
}

/* Element-colored left border on cards */
.card[data-type] {
  border-left: 3px solid var(--el-color);
}

/* ---- Sidebar Items ---- */
.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.sidebar-section-count {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sidebar-item:hover {
  background: var(--muted);
}

.sidebar-item-locked {
  cursor: default;
  color: var(--text-tertiary);
  font-style: italic;
}

.sidebar-item-locked:hover {
  background: transparent;
}

.sidebar-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--el-color);
  flex-shrink: 0;
}

.sidebar-item-remove {
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
  font-size: var(--text-xs);
  color: var(--destructive);
}

.sidebar-item:hover .sidebar-item-remove {
  opacity: 1;
}

/* ---- Stats Display ---- */
#sidebar-stats {
  background: var(--muted);
  border-radius: var(--radius-lg);
  padding: var(--sp-3);
}

.stat-group {
  margin-bottom: var(--sp-2);
}

.stat-group-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.stat-value {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--foreground);
}

.stat-base {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: 400;
}

.stat-sub {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1px 0 1px var(--sp-3);
}

.stat-sub-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.stat-sub-value {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
}

.stat-sub-value .stat-base {
  font-weight: 400;
}

/* ---- Conditional stat bonuses ---- */
.stat-sub-conditional {
  opacity: 0.7;
  font-style: italic;
}

.stat-sub-conditional .stat-sub-label {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

.stat-sub-cond-detail {
  font-size: 0.6rem;
  color: var(--text-tertiary);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

/* ---- Color-coded stat groups (toggled via .stats-colored) ---- */
.stat-group.stats-colored[data-stat="attack"] .stat-group-header {
  border-bottom-color: var(--el-attack);
}
.stat-group.stats-colored[data-stat="attack"] .stat-label {
  color: var(--el-attack);
}

.stat-group.stats-colored[data-stat="dash"] .stat-group-header {
  border-bottom-color: var(--el-dash);
}
.stat-group.stats-colored[data-stat="dash"] .stat-label {
  color: var(--el-dash);
}

.stat-group.stats-colored[data-stat="special"] .stat-group-header {
  border-bottom-color: var(--el-special);
}
.stat-group.stats-colored[data-stat="special"] .stat-label {
  color: var(--el-special);
}

.stat-group.stats-colored[data-stat="tool"] .stat-group-header {
  border-bottom-color: var(--el-tool);
}
.stat-group.stats-colored[data-stat="tool"] .stat-label {
  color: var(--el-tool);
}

.stat-group.stats-colored[data-stat="elemental"] .stat-group-header {
  border-bottom-color: var(--el-special);
}
.stat-group.stats-colored[data-stat="elemental"] .stat-label {
  background: linear-gradient(90deg, var(--el-water), var(--el-flame), var(--el-ooze), var(--el-utrom), var(--el-light), var(--el-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-group.stats-colored[data-stat="defense"] .stat-group-header {
  border-bottom-color: var(--el-defense);
}
.stat-group.stats-colored[data-stat="defense"] .stat-label {
  color: var(--el-defense);
}

/* Stats color toggle button */
.stats-color-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  line-height: 1;
  margin-left: auto;
}

.stats-color-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.stats-color-toggle.active {
  color: var(--primary);
  border-color: var(--primary);
}

/* Legacy grid (used by other sections) */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-1) var(--sp-3);
}

/* ---- Synergy Display ---- */
.synergy-item {
  padding: var(--sp-2) var(--sp-3);
  background: var(--warning-muted);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  margin-bottom: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--foreground);
  line-height: 1.4;
}

.synergy-item-title {
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--warning);
  margin-bottom: var(--sp-1);
}

/* Legendary path synergy items — golden accent */
.synergy-item.synergy-legendary {
  background: hsla(45, 80%, 55%, 0.08);
  border-color: hsla(45, 80%, 55%, 0.4);
}
.synergy-item.synergy-legendary .synergy-item-title {
  color: hsla(45, 80%, 55%, 1);
}

/* Legendary-ready alert — highest priority, pulsing golden glow */
.synergy-item.synergy-legendary-ready {
  background: hsla(45, 90%, 55%, 0.15);
  border-color: hsla(45, 90%, 55%, 0.6);
  border-width: 2px;
  box-shadow: 0 0 8px 1px hsla(45, 80%, 55%, 0.25);
  animation: legendary-pulse 2s ease-in-out infinite;
}
.synergy-item.synergy-legendary-ready .synergy-item-title {
  color: hsla(45, 90%, 60%, 1);
  font-size: var(--text-sm);
}

@keyframes legendary-pulse {
  0%, 100% { box-shadow: 0 0 8px 1px hsla(45, 80%, 55%, 0.25); }
  50% { box-shadow: 0 0 12px 3px hsla(45, 80%, 55%, 0.4); }
}

/* Inline hint on legendary cards — "Add X power" */
.card-legendary-hint {
  font-size: var(--text-xs);
  color: hsla(45, 80%, 55%, 0.9);
  font-style: italic;
}

/* ---- Focus Meter ---- */
.focus-meter {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
}

.focus-meter.focused {
  background: var(--success-muted);
  color: var(--success);
  border: 1px solid var(--success);
}

.focus-meter.balanced {
  background: var(--warning-muted);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.focus-meter.scattered {
  background: rgba(239, 68, 68, 0.12);
  color: hsl(0, 72%, 51%);
  border: 1px solid rgba(239, 68, 68, 0.35);
}

/* ---- Upgrade Rows ---- */
.upgrade-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) 0;
  border-bottom: 1px solid var(--border);
}

.upgrade-row:last-child {
  border-bottom: none;
}

.upgrade-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--foreground);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upgrade-slider {
  width: 80px;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--muted);
  outline: none;
  cursor: pointer;
}

.upgrade-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.upgrade-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

.upgrade-level {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--primary);
  min-width: 36px;
  text-align: right;
}

.upgrade-effect {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  min-width: 60px;
  text-align: right;
}

/* ---- Settings Row ---- */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-3);
}

.settings-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--foreground);
}

.settings-description {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* ---- Toggle Switch ---- */
.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

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

.toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 11px;
  background: var(--muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

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

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(18px);
  background: var(--primary-foreground);
}

/* ---- Prerequisite Display ---- */
.card-prereq {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-style: italic;
}

.card-prereq-met {
  color: var(--success);
  font-style: normal;
}

.card-unlocks {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  opacity: 0.7;
}

/* ---- Legendary Combo Display ---- */
.legendary-combo {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
  font-size: var(--text-xs);
}

.legendary-combo-plus {
  color: var(--text-tertiary);
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
  color: var(--text-tertiary);
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.empty-state-desc {
  font-size: var(--text-sm);
}

/* ---- Mastery View Toggle ---- */
.view-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.view-toggle-btn {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.view-toggle-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

/* ---- Level Selector ---- */
.level-selector {
  display: flex;
  gap: var(--sp-1);
  align-items: center;
}

.level-btn {
  width: 24px;
  height: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.level-btn:hover {
  border-color: var(--border-hover);
  background: var(--muted);
}

.level-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

/* ---- Upgrade Controls (slider + ±buttons) ---- */
.upgrade-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
}

.upgrade-controls .level-btn {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 700;
}

.upgrade-controls .upgrade-slider {
  flex: 1;
  min-width: 0;
}

/* Upgrade card: disable hover lift, add padding for edge zones */
.upgrade-card {
  cursor: default;
  padding-left: calc(10% + var(--sp-2));
  padding-right: calc(10% + var(--sp-2));
}

.upgrade-card:hover {
  transform: none;
}

/* ---- Card Edge Tap Zones (+/- on left/right) ---- */
.card-edge-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 10%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 700;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  cursor: pointer;
  z-index: 1;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.card-edge-dec {
  left: 0;
  border-radius: var(--radius) 0 0 var(--radius);
}

.card-edge-inc {
  right: 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.card-edge-zone:hover {
  background: color-mix(in srgb, var(--primary) 20%, transparent);
  color: var(--primary);
}

.card-edge-zone:active {
  background: var(--primary);
  color: var(--primary-foreground);
}

/* ---- Damage Display ---- */
.damage-display {
  padding: var(--sp-3);
  background: var(--surface-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.damage-multiplier {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--primary);
  line-height: 1;
}

.damage-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--sp-1);
}

/* ---- Scrollbar Styling ---- */
.card-grid::-webkit-scrollbar,
#sidebar-content::-webkit-scrollbar,
.modal-body::-webkit-scrollbar {
  width: 6px;
}

.card-grid::-webkit-scrollbar-track,
#sidebar-content::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.card-grid::-webkit-scrollbar-thumb,
#sidebar-content::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.card-grid::-webkit-scrollbar-thumb:hover,
#sidebar-content::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ---- Auth UI ---- */

.auth-user {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.auth-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.btn-discord {
  background: #5865F2;
  border-color: #5865F2;
  color: white;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.btn-discord:hover {
  background: #4752C4;
  border-color: #4752C4;
}

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

/* ---- Logout Spinner ---- */
.btn-signing-out {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  pointer-events: none;
  opacity: 0.7;
}

.btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--muted-foreground);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Mastery Character Group Header ---- */
.mastery-char-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-left: 4px solid var(--primary);
  background: var(--muted);
  border-radius: var(--radius);
  margin-top: var(--sp-2);
}

.mastery-char-header:first-child {
  margin-top: 0;
}

.mastery-char-header img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.mastery-char-header span {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--foreground);
}

.mastery-char-count {
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-tertiary);
}

/* ---- Power Element Group Header ---- */
.power-group-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-left: 4px solid var(--el-water);
  background: var(--muted);
  border-radius: var(--radius);
  margin-top: var(--sp-2);
}

.power-group-header:first-child {
  margin-top: 0;
}

.power-group-header span {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--foreground);
}

.power-group-count {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* Element-specific border colors for group headers */
.power-group-header[data-type="water"] { border-color: var(--el-water); }
.power-group-header[data-type="flame"] { border-color: var(--el-flame); }
.power-group-header[data-type="ooze"] { border-color: var(--el-ooze); }
.power-group-header[data-type="utrom"] { border-color: var(--el-utrom); }
.power-group-header[data-type="ninja"] { border-color: var(--el-ninja); }
.power-group-header[data-type="light"] { border-color: var(--el-light); }
.power-group-header[data-type="dark"] { border-color: var(--el-dark); }
.power-group-header[data-type="robotics"] { border-color: var(--el-robotics); }
.power-group-header[data-type="legendary"] { border-color: var(--el-legendary); }

/* ---- Inspiration Character Group Wrapper ---- */
.inspiration-char-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.inspiration-char-group .mastery-char-header {
  grid-column: auto;
  margin-top: 0;
}