/* KuKi Design System — component styles. Requires tokens/css/tokens.css. */

.kuki {
  font-family: var(--kuki-font-family);
  color: var(--kuki-sem-text-default);
}

/* ---------- Button (unified: labeled pill + circular icon-only) ---------- */
.kuki-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--kuki-sem-radius-control);
  font-family: var(--kuki-font-family);
  font-weight: var(--kuki-font-weight-medium);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}
.kuki-btn:focus-visible {
  outline: 2px solid var(--kuki-sem-border-focus);
  outline-offset: 2px;
}

/* labeled sizing (outer padding = edge distance for leadingIcon/trailingIcon;
   inner .kuki-btn__content gap below is independent, for adornments hugging the label) */
.kuki-btn--sm { padding: var(--kuki-size-3) var(--kuki-size-5); gap: var(--kuki-size-2); font-size: var(--kuki-font-size-xs); line-height: var(--kuki-line-height-xs); }
.kuki-btn--md { padding: var(--kuki-size-4) var(--kuki-size-6); gap: var(--kuki-size-3); font-size: var(--kuki-font-size-sm); line-height: var(--kuki-line-height-sm); }
.kuki-btn--lg { padding: var(--kuki-size-5) var(--kuki-size-7); gap: var(--kuki-size-3); font-size: var(--kuki-font-size-md); line-height: var(--kuki-line-height-md); font-weight: var(--kuki-font-weight-semibold); }

/* icon-only: fixed square (old IconButton) instead of hug-padded pill */
.kuki-btn--icon-only { padding: 0; gap: 0; }
.kuki-btn--icon-only.kuki-btn--sm { width: 32px; height: 32px; }
.kuki-btn--icon-only.kuki-btn--md { width: 40px; height: 40px; }
.kuki-btn--icon-only.kuki-btn--lg { width: 56px; height: 56px; }

/* icon slots — distinct sizes per button size so scaling actually reads */
.kuki-btn__icon { display: inline-flex; flex-shrink: 0; }
.kuki-btn__icon svg, .kuki-btn__icon img { display: block; width: 100%; height: 100%; }
.kuki-btn--sm .kuki-btn__icon { width: var(--kuki-icon-size-xs); height: var(--kuki-icon-size-xs); }
.kuki-btn--md .kuki-btn__icon { width: var(--kuki-icon-size-sm); height: var(--kuki-icon-size-sm); }
.kuki-btn--lg .kuki-btn__icon { width: var(--kuki-icon-size-md); height: var(--kuki-icon-size-md); }
.kuki-btn--icon-only.kuki-btn--sm .kuki-btn__icon { width: var(--kuki-icon-size-sm); height: var(--kuki-icon-size-sm); }
.kuki-btn--icon-only.kuki-btn--md .kuki-btn__icon { width: var(--kuki-icon-size-md); height: var(--kuki-icon-size-md); }
.kuki-btn--icon-only.kuki-btn--lg .kuki-btn__icon { width: var(--kuki-icon-size-lg); height: var(--kuki-icon-size-lg); }

/* content group: label + its hugging adornments, own consistent gap
   independent of the outer leadingIcon/trailingIcon gap */
.kuki-btn__content { display: inline-flex; align-items: center; gap: inherit; }

/* appearance: primary */
.kuki-btn--primary { background: var(--kuki-sem-surface-brand); color: var(--kuki-sem-text-on-brand); }
.kuki-btn--primary:hover { background: var(--kuki-sem-surface-brand-hover); }
.kuki-btn--primary:active { background: var(--kuki-sem-surface-brand-pressed); }
.kuki-btn--primary.kuki--selected { background: var(--kuki-sem-surface-brand-pressed); }
.kuki-btn--primary.kuki--destructive { background: var(--kuki-sem-surface-status-critical); }
.kuki-btn--primary.kuki--destructive:hover { background: var(--kuki-sem-surface-status-critical-hover); }
.kuki-btn--primary.kuki--destructive:active { background: var(--kuki-sem-surface-status-critical-pressed); }

/* appearance: emphasis (chocolate — FAB, high-emphasis CTAs) */
.kuki-btn--emphasis { background: var(--kuki-sem-surface-emphasis); color: var(--kuki-sem-text-on-emphasis); }
.kuki-btn--emphasis:hover { background: var(--kuki-sem-surface-emphasis-hover); }
.kuki-btn--emphasis:active { background: var(--kuki-sem-surface-emphasis-pressed); }
.kuki-btn--emphasis.kuki--selected { background: var(--kuki-sem-surface-emphasis-pressed); }
.kuki-btn--emphasis.kuki--destructive { background: var(--kuki-sem-surface-status-critical); }
.kuki-btn--emphasis.kuki--destructive:hover { background: var(--kuki-sem-surface-status-critical-hover); }
.kuki-btn--emphasis.kuki--destructive:active { background: var(--kuki-sem-surface-status-critical-pressed); }

/* appearance: secondary */
.kuki-btn--secondary {
  background: var(--kuki-sem-surface-default);
  color: var(--kuki-sem-text-default);
  border: 1px solid var(--kuki-sem-border-default);
}
.kuki-btn--secondary:hover { background: var(--kuki-sem-surface-canvas); }
.kuki-btn--secondary:active { background: var(--kuki-sem-surface-sunken); }
.kuki-btn--secondary.kuki--selected { background: var(--kuki-sem-surface-selected); border-color: var(--kuki-sem-border-selected); color: var(--kuki-sem-text-brand); }
.kuki-btn--secondary.kuki--destructive { color: var(--kuki-sem-text-status-critical); border-color: var(--kuki-sem-border-status-critical); }
.kuki-btn--secondary.kuki--destructive:hover { background: var(--kuki-sem-surface-status-critical-subtle); }
.kuki-btn--secondary.kuki--destructive:active { background: var(--kuki-sem-surface-status-critical-subtle-pressed); }
.kuki-btn--secondary.kuki--destructive.kuki--selected { background: var(--kuki-sem-surface-status-critical-subtle); }

/* appearance: ghost */
.kuki-btn--ghost { background: transparent; color: var(--kuki-sem-text-default); }
.kuki-btn--ghost:hover { background: var(--kuki-sem-surface-canvas); }
.kuki-btn--ghost:active { background: var(--kuki-sem-surface-sunken); }
.kuki-btn--ghost.kuki--selected { background: var(--kuki-sem-surface-selected); color: var(--kuki-sem-text-brand); }
.kuki-btn--ghost.kuki--destructive { color: var(--kuki-sem-text-status-critical); }
.kuki-btn--ghost.kuki--destructive:hover { background: var(--kuki-sem-surface-status-critical-subtle); }
.kuki-btn--ghost.kuki--destructive.kuki--selected { background: var(--kuki-sem-surface-status-critical-subtle); }

/* appearance: link (labeled use only — no chrome ever, even selected/icon-only) */
.kuki-btn--link { background: transparent; color: var(--kuki-sem-text-link); padding: var(--kuki-size-2); }
.kuki-btn--link:hover, .kuki-btn--link:active { text-decoration: underline; }
.kuki-btn--link.kuki--destructive { color: var(--kuki-sem-text-status-critical); }

/* disabled and loading share the same "blocked" treatment — loading is never
   just an overlay on top of the normal appearance, per design review */
.kuki-btn:disabled,
.kuki-btn[aria-disabled='true'],
.kuki-btn--loading {
  background: var(--kuki-sem-surface-disabled) !important;
  color: var(--kuki-sem-text-disabled) !important;
  border-color: var(--kuki-sem-border-disabled) !important;
  cursor: not-allowed;
  text-decoration: none;
  pointer-events: none;
}
.kuki-btn--ghost:disabled, .kuki-btn--link:disabled,
.kuki-btn--ghost.kuki-btn--loading, .kuki-btn--link.kuki-btn--loading {
  background: var(--kuki-sem-surface-disabled) !important;
}

.kuki-btn__spinner {
  width: 100%; height: 100%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: kuki-spin 0.7s linear infinite;
}
@keyframes kuki-spin { to { transform: rotate(360deg); } }

/* ---------- Badge & Chip ---------- */
.kuki-badge {
  display: inline-flex; align-items: center;
  padding: 2px var(--kuki-size-3);
  border-radius: var(--kuki-radius-xs);
  font-size: var(--kuki-font-size-xs);
  line-height: var(--kuki-line-height-xs);
}
.kuki-chip {
  display: inline-flex; align-items: center; gap: var(--kuki-size-2);
  padding: var(--kuki-size-2) 10px;
  border-radius: var(--kuki-radius-2xl);
  font-size: var(--kuki-font-size-xs);
  line-height: var(--kuki-line-height-xs);
}
.kuki-tone--neutral.kuki-tone--bold { background: var(--kuki-sem-surface-emphasis); color: var(--kuki-sem-text-on-emphasis); }
.kuki-tone--neutral.kuki-tone--subtle { background: var(--kuki-sem-surface-sunken); color: var(--kuki-sem-text-subtle); }
.kuki-tone--brand.kuki-tone--bold { background: var(--kuki-sem-surface-brand); color: var(--kuki-sem-text-on-brand); }
.kuki-tone--brand.kuki-tone--subtle { background: var(--kuki-sem-surface-brand-subtle); color: var(--kuki-sem-text-brand); }
.kuki-tone--critical.kuki-tone--bold { background: var(--kuki-sem-surface-status-critical); color: var(--kuki-sem-text-on-status); }
.kuki-tone--critical.kuki-tone--subtle { background: var(--kuki-sem-surface-status-critical-subtle); color: var(--kuki-sem-text-status-critical); }
.kuki-tone--caution.kuki-tone--bold { background: var(--kuki-sem-surface-status-caution); color: var(--kuki-sem-text-on-caution); }
.kuki-tone--caution.kuki-tone--subtle { background: var(--kuki-sem-surface-status-caution-subtle); color: var(--kuki-sem-text-status-caution); }
.kuki-tone--good.kuki-tone--bold { background: var(--kuki-sem-surface-status-good); color: var(--kuki-sem-text-on-good); }
.kuki-tone--good.kuki-tone--subtle { background: var(--kuki-sem-surface-status-good-subtle); color: var(--kuki-sem-text-status-good); }
.kuki-tone--excellent.kuki-tone--bold { background: var(--kuki-sem-surface-status-excellent); color: var(--kuki-sem-text-on-status); }
.kuki-tone--excellent.kuki-tone--subtle { background: var(--kuki-sem-surface-status-excellent-subtle); color: var(--kuki-sem-text-status-excellent); }
.kuki-tone--info.kuki-tone--bold { background: var(--kuki-sem-surface-status-none); color: var(--kuki-sem-text-on-status); }
.kuki-tone--info.kuki-tone--subtle { background: var(--kuki-sem-surface-status-none-subtle); color: var(--kuki-sem-text-status-none); }
.kuki-tone--pink.kuki-tone--bold { background: var(--kuki-sem-surface-tag-pink); color: var(--kuki-sem-text-on-status); }
.kuki-tone--pink.kuki-tone--subtle { background: var(--kuki-sem-surface-tag-pink-subtle); color: var(--kuki-sem-text-tag-pink); }
.kuki-tone--violet.kuki-tone--bold { background: var(--kuki-sem-surface-tag-violet); color: var(--kuki-sem-text-on-status); }
.kuki-tone--violet.kuki-tone--subtle { background: var(--kuki-sem-surface-tag-violet-subtle); color: var(--kuki-sem-text-tag-violet); }
.kuki-tone--turquoise.kuki-tone--bold { background: var(--kuki-sem-surface-tag-turquoise); color: var(--kuki-sem-text-on-status); }
.kuki-tone--turquoise.kuki-tone--subtle { background: var(--kuki-sem-surface-tag-turquoise-subtle); color: var(--kuki-sem-text-tag-turquoise); }

/* ---------- Cards ---------- */
.kuki-card {
  background: var(--kuki-sem-surface-default);
  border-radius: var(--kuki-radius-3xl);
  padding: var(--kuki-size-7);
}
.kuki-wellness {
  border-radius: var(--kuki-radius-3xl);
  padding: var(--kuki-size-7);
  display: flex; flex-direction: column; align-items: center; gap: var(--kuki-size-5);
  color: #fff; text-align: center;
}
.kuki-wellness--none { background: var(--kuki-gradient-wellness-none); }
.kuki-wellness--critical { background: var(--kuki-gradient-wellness-critical); }
.kuki-wellness--caution { background: var(--kuki-gradient-wellness-caution); }
.kuki-wellness--good { background: var(--kuki-gradient-wellness-good); }
.kuki-wellness--excellent { background: var(--kuki-gradient-wellness-excellent); }
.kuki-wellness__title {
  font-size: var(--kuki-font-size-2xs); line-height: var(--kuki-line-height-2xs);
  font-weight: var(--kuki-font-weight-light); letter-spacing: 0.8px; text-transform: uppercase;
}
.kuki-wellness__value {
  font-size: var(--kuki-font-size-6xl); line-height: var(--kuki-line-height-6xl);
  font-weight: var(--kuki-font-weight-extralight);
  text-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.kuki-wellness__subtitle { font-size: var(--kuki-font-size-xs); line-height: var(--kuki-line-height-xs); }

.kuki-metric-card {
  background: var(--kuki-sem-surface-default);
  border-radius: var(--kuki-radius-3xl);
  padding: var(--kuki-size-7);
  display: flex; flex-direction: column; gap: var(--kuki-size-10);
  align-items: flex-start;
}
.kuki-metric-card__value { font-size: var(--kuki-font-size-xl); line-height: var(--kuki-line-height-xl); font-weight: var(--kuki-font-weight-semibold); }
.kuki-metric-card--empty .kuki-metric-card__value { color: var(--kuki-sem-text-muted); }
.kuki-metric-card__sub { font-size: var(--kuki-font-size-xs); line-height: var(--kuki-line-height-xs); color: var(--kuki-sem-text-subtle); }

/* ---------- List Row / Section Header ---------- */
.kuki-section-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--kuki-size-3) 0;
}
.kuki-section-header__title { font-size: var(--kuki-font-size-lg); line-height: var(--kuki-line-height-lg); font-weight: var(--kuki-font-weight-semibold); }
.kuki-section-header__action { color: var(--kuki-sem-text-link); font-size: var(--kuki-font-size-sm); font-weight: var(--kuki-font-weight-medium); background: none; border: none; cursor: pointer; }

.kuki-list-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--kuki-size-4) 0; gap: var(--kuki-size-5);
}
.kuki-list-row__title { font-size: var(--kuki-font-size-md); line-height: var(--kuki-line-height-md); }
.kuki-list-row__subtitle, .kuki-list-row__valuesub { font-size: var(--kuki-font-size-xs); line-height: var(--kuki-line-height-xs); color: var(--kuki-sem-text-subtle); }
.kuki-list-row__right { text-align: right; }
.kuki-list-row__valuesub--critical { color: var(--kuki-sem-text-status-critical); }
.kuki-list-row__valuesub--good { color: var(--kuki-sem-text-status-excellent); }

/* ---------- Avatar ---------- */
.kuki-avatar {
  border-radius: 50%; background: var(--kuki-sem-surface-sunken);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--kuki-sem-icon-muted); overflow: hidden;
}
.kuki-avatar img { width: 100%; height: 100%; object-fit: cover; }
.kuki-avatar--sm { width: 24px; height: 24px; }
.kuki-avatar--md { width: 40px; height: 40px; }
.kuki-avatar--lg { width: 64px; height: 64px; }
.kuki-avatar--xl { width: 96px; height: 96px; }

/* ---------- Top Nav ---------- */
.kuki-topnav {
  display: flex; border-radius: var(--kuki-radius-3xl);
  background: color-mix(in srgb, var(--kuki-color-neutral-950) 8%, transparent);
  justify-content: space-between; align-items: center;
}
.kuki-topnav__tab {
  display: flex; align-items: center; gap: var(--kuki-size-3);
  padding: var(--kuki-size-5); border-radius: var(--kuki-radius-2xl);
  border: none; background: transparent; cursor: pointer;
  color: var(--kuki-sem-icon-subtle);
  font-size: var(--kuki-font-size-sm); font-weight: var(--kuki-font-weight-medium);
}
.kuki-topnav__tab[aria-current='page'] {
  background: var(--kuki-sem-surface-default);
  color: var(--kuki-sem-text-default);
  box-shadow: inset 0 1px 0 #fff, 0 1px 0 var(--kuki-sem-border-default);
}
.kuki-topnav__tab:hover:not([aria-current='page']) { background: var(--kuki-sem-surface-raised); }
.kuki-topnav__tab:active:not([aria-current='page']) { background: var(--kuki-sem-surface-sunken); }
.kuki-topnav__tab[aria-current='page']:hover { background: var(--kuki-sem-surface-default); }
.kuki-topnav__tab[aria-current='page']:active { background: var(--kuki-sem-surface-canvas); }
.kuki-topnav__tab:focus-visible { outline: 2px solid var(--kuki-sem-border-focus); outline-offset: 2px; }

/* ---------- Bottom Bar ---------- */
.kuki-bottombar { display: flex; justify-content: space-between; align-items: center; }
.kuki-pet-switcher {
  display: inline-flex; align-items: center; gap: var(--kuki-size-3);
  background: var(--kuki-sem-surface-default);
  border: 1px solid var(--kuki-sem-border-default);
  border-radius: var(--kuki-radius-pill);
  padding: var(--kuki-size-3) var(--kuki-size-4) var(--kuki-size-3) var(--kuki-size-3);
  font-size: var(--kuki-font-size-sm); font-weight: var(--kuki-font-weight-medium);
  cursor: pointer;
  color: var(--kuki-sem-text-default);
}
.kuki-pet-switcher:hover { background: var(--kuki-sem-surface-canvas); }
.kuki-pet-switcher:active { background: var(--kuki-sem-surface-sunken); }
.kuki-pet-switcher:focus-visible { outline: 2px solid var(--kuki-sem-border-focus); outline-offset: 2px; }
.kuki-ai-orb {
  width: 56px; height: 56px; border-radius: 50%; border: none; cursor: pointer;
  position: relative; overflow: hidden; padding: 0;
  background: radial-gradient(circle at 32% 30%, #A7F5FF 0%, #3A6BFF 38%, #00138F 68%, #000 100%);
  display: inline-flex; align-items: center; justify-content: center;
}
.kuki-ai-orb::before {
  /* CSS approximation of a shader: a blurred, rotating conic gradient screen-blended
     over the base radial gives a moving-light "energy" feel without WebGL. */
  content: '';
  position: absolute;
  inset: -35%;
  background: conic-gradient(from 0deg, #8DE1FF, #00138F 30%, #A7F5FF 55%, #001060 80%, #8DE1FF);
  filter: blur(6px);
  mix-blend-mode: screen;
  opacity: 0.85;
  animation: kuki-ai-shader 7s linear infinite;
}
.kuki-ai-orb__sparkle {
  position: relative;
  z-index: 1;
  width: 45%;
  height: 45%;
  display: block;
  pointer-events: none;
}
@keyframes kuki-ai-shader {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .kuki-ai-orb::before { animation: none; }
}