:root {
  --button-secondary-bg-hover: #f1f3f2;
  --button-muted-bg-hover: #e9edeb;
  --button-bg-pressed: #e1e6e3;
  --input-bg-hover: oklch(0.992 0.001 165);
  --input-bg-filled: var(--surface);
  --input-border-hover: var(--border-primary);
}

button, a { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
.quick-filter[aria-pressed="true"] { border-color: var(--content-primary); background: var(--button-muted-bg-hover); color: var(--content-primary); }

:where(button, a):focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.search-field {
  cursor: text;
  transition: background-color 140ms ease-out, border-color 140ms ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .search-field { transition: none; }
}
.search-field > img { flex-shrink: 0; }
.search-field input {
  appearance: none;
  width: 100%;
  min-width: 0;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--content-primary);
  font: inherit;
  line-height: inherit;
  caret-color: var(--content-primary);
}
.header-search { padding-right: 12px; }
.header-search input::placeholder { color: var(--content-placeholder); opacity: 1; }
.list-search input::placeholder { color: var(--content-tertiary); opacity: 1; }
.search-field input::-webkit-search-cancel-button,
.search-field input::-webkit-search-decoration { appearance: none; }
.search-field:has(input:not(:placeholder-shown)):not(:focus-within):not(:has(input:disabled)) { background: var(--input-bg-filled); }
.search-field:focus-within {
  border-color: var(--input-border-focus);
  outline: 2px solid var(--input-border-focus);
  outline-offset: -1px;
  background: var(--input-bg-focus);
}
.search-field:has(input[aria-invalid="true"]) { border-color: var(--input-border-error); }
.search-field:has(input[aria-invalid="true"]):focus-within { outline-color: var(--input-border-error); }
.search-field:has(input:disabled) {
  border-color: var(--border-disabled-subtle);
  background: var(--input-bg-disabled);
  cursor: not-allowed;
}
.search-field input:disabled { color: var(--content-disabled); cursor: not-allowed; }
.search-field:has(input:disabled) > img { opacity: 0.5; }

@media (hover: hover) {
  :is(.share-button, .control-button, .density-button, .nominate):hover:not(:disabled) {
    background: var(--button-secondary-bg-hover);
    color: var(--content-secondary-hover);
  }
  .quick-filter:hover:not(:disabled) { background: var(--button-muted-bg-hover); }
  :is(.project-switcher, .notification):hover:not(:disabled) { background: var(--button-secondary-bg-hover); }
  .site-nav__link:hover { color: var(--content-secondary); }
  :is(.legal-links, .social-links) a:hover { color: var(--content-inverse-secondary-hover); }
  .search-field:hover:not(:focus-within):not(:has(input:disabled)) {
    border-color: var(--input-border-hover);
    background: var(--input-bg-hover);
  }
}

:is(.share-button, .control-button, .density-button, .nominate, .quick-filter):active:not(:disabled) {
  background: var(--button-bg-pressed);
  color: var(--content-primary);
}
:is(.project-switcher, .notification):active:not(:disabled) { background: var(--button-bg-pressed); }
.project-switcher, .notification { border-radius: var(--radius-sm); }
:is(.share-button, .control-button, .density-button, .nominate, .quick-filter):disabled {
  border-color: var(--border-disabled-subtle);
  background: var(--button-secondary-bg-disabled);
  color: var(--content-disabled);
}
button:disabled img { opacity: 0.5; }
:is(.project-switcher, .notification):disabled { color: var(--content-disabled); }

.do-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  height: 40px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--radius-full);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  white-space: nowrap;
}
.do-button[data-variant="primary"] {
  background: linear-gradient(180deg, rgb(255 255 255 / 15%), rgb(255 255 255 / 5.5%) 45%, rgb(0 0 0 / 12%)), var(--button-primary-bg-default);
  color: var(--content-inverse-primary);
  box-shadow: inset 0 -1px 2px rgb(0 0 0 / 18%), inset 0 1px 1px rgb(255 255 255 / 22%), 0 2px 3px rgb(0 0 0 / 12%);
}
.do-button[data-variant="secondary-compact"] {
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--border-secondary);
  background: var(--surface);
  color: var(--content-primary);
  font-size: 12px;
  font-weight: 400;
  line-height: 16px;
}
@media (hover: hover) {
  .do-button[data-variant="primary"]:hover:not(:disabled) { background-color: var(--button-primary-bg-hover); }
  .do-button[data-variant="secondary-compact"]:hover:not(:disabled) { background: var(--button-secondary-bg-hover); }
}
.do-button:active:not(:disabled) { box-shadow: inset 0 1px 2px rgb(0 0 0 / 18%); }
.do-button:disabled { background: var(--bg-disabled); color: var(--content-disabled); box-shadow: none; }