/* Day separator - pseudo-elements and nested selectors */
.announcement-day-separator {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  margin-block: 0.5em;

  time,
  span {
    background-color: var(--color-message-bg);
  }

  &::after,
  &::before {
    border-top: 2px solid var(--color-message-bg);
  }

  .announcement-item:first-child & {
    margin-block-start: 0;
  }
}

/* Card: unread indicator (pseudo-element + color-mix child) */
.announcement-card--unread {
  position: relative;

  &::before {
    content: "";
    position: absolute;
    left: calc(var(--inline-space) * 0.5);
    top: 50%;
    transform: translateY(-50%);
    width: 0.5em;
    height: 0.5em;
    border-radius: 50%;
    background: var(--color-alert);
  }

  .announcement-card__body {
    background-color: color-mix(in oklab, var(--color-alert) 5%, var(--color-message-bg));
  }
}

/* Card: stats border with color-mix */
.announcement-card__stats {
  border-top: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent);
}

/* Announcement reaction pill: own reaction highlight */
.announcement-reaction--own {
  border-color: color-mix(in oklab, var(--color-text) 30%, var(--color-border));
  background: color-mix(in oklab, var(--color-text) 5%, transparent);
  transition: border-color 150ms ease, background-color 150ms ease;

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      border-color: color-mix(in oklab, var(--color-text) 50%, var(--color-border));
      background: color-mix(in oklab, var(--color-text) 10%, transparent);
    }
  }
}

/* Comment sibling separator with color-mix */
.announcement-comment + .announcement-comment {
  border-top: 1px solid color-mix(in oklab, var(--color-border) 50%, transparent);
}

/* Comment options button: subtle, no border */
.announcement-comment__options-btn {
  background: none;
  border: none;
  opacity: 0.35;
  transition: opacity 150ms ease, background-color 150ms ease;
  list-style: none;

  &::-webkit-details-marker {
    display: none;
  }

  @media (any-hover: hover) {
    &:hover {
      opacity: 0.7;
      background: color-mix(in oklab, var(--color-text) 8%, transparent);
    }
  }
}

/* Comment action button - CSS variable overrides for .btn system */
.announcement-comment__action-btn {
  --btn-background: transparent;
  --btn-border-color: transparent;
  --outline-offset: 0;

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      --btn-background: var(--color-border-dark);
      --hover-size: 0;
    }
  }
}

/* Comment reaction: own reaction with color-mix */
.announcement-comment__reaction--own {
  border-color: color-mix(in oklab, var(--color-text) 30%, var(--color-border));
  background: color-mix(in oklab, var(--color-text) 5%, transparent);
  cursor: pointer;
}

/* Comment form: compact input */
.announcement-comment-form .input--actor {
  align-items: center;
}

.announcement-comment-form lexxy-toolbar {
  display: none !important;
}

.announcement-comment-form lexxy-editor {
  --input-border-size: 0;
  --input-padding: 0.25em 0.75em;
  --lexxy-editor-padding: 0;
  --lexxy-editor-rows: 1lh;

  min-height: unset;
  border: none;
  font-size: max(16px, 0.9em);
  line-height: 1.4;
  box-shadow: none;
  background: transparent;

  .lexxy-editor__content {
    padding: 0.25em 0.75em;

    &:focus {
      box-shadow: none;
      outline: none;
    }
  }

  &[placeholder]::before {
    color: var(--color-border-darkest);
  }
}

/* Reaction popup: show on open */
details[open] .popup-menu.announcement-reactions__menu,
details[open] .popup-menu.announcement-comment__menu-popup {
  display: block;
}

/* Reaction popup: floating emoji picker */
.announcement-reactions__menu {
  padding: 0.6em;
  z-index: 10;
  inset-block-start: 100%;
  inset-inline-start: 0;
  margin-block-start: 0.75em;
  min-width: auto;
  width: max-content;

  &::before,
  &::after {
    inset-inline-start: 1em !important;
    transform: none !important;
  }
}

.announcement-reactions__emoji-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 0.4em;
  padding: 0.25em;
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  aspect-ratio: 1;
  transition: background-color 120ms ease;

  &:hover {
    background: var(--color-message-bg);
  }
}

/* Comment menu popup: arrow positioning */
.announcement-comment__menu[open] .announcement-comment__menu-popup {
  display: block;
}

.announcement-comment__menu-popup {
  inset-block-start: 100%;
  inset-inline-end: 50%;
  transform: translateX(50%);
  margin-block-start: 0.75em;
  padding: 0.4em;
  z-index: 10;
  min-width: 120px;

  &::before,
  &::after {
    inset-inline-start: 50% !important;
    transform: translateX(-50%) !important;
  }
}

/* Admin: push stats with color-mix */
.admin-push-stats__item--success {
  color: color-mix(in oklab, green 60%, var(--color-text));
}

.admin-push-stats__item--danger {
  color: color-mix(in oklab, red 60%, var(--color-text));
}

/* Admin: receipt push indicators with color-mix */
.admin-receipt__push--delivered {
  background: color-mix(in oklab, green 70%, var(--color-text));
}

.admin-receipt__push--failed {
  background: color-mix(in oklab, red 70%, var(--color-text));
}

/* Admin form: fieldset full-width (override base.css max-inline-size: 50ch) */
.admin-form__fieldset {
  max-inline-size: none;
}

/* Admin form: input focus with color-mix box-shadow */
.admin-form__input:focus {
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-text) 10%, transparent);
  outline: none;
}

/* Admin form: radio card - hidden input + sibling selectors + color-mix */
.admin-form__radio {
  cursor: pointer;
  height: 100%;

  input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }
}

.admin-form__radio-card {
  height: 100%;
  transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;

  strong {
    font-size: 0.95rem;
  }

  small {
    font-size: 0.75rem;
    opacity: 0.45;
    line-height: 1.3;
  }

  @media (any-hover: hover) {
    &:hover {
      border-color: var(--color-border-darkest);
      background-color: color-mix(in oklab, var(--color-message-bg) 50%, transparent);
    }
  }

  input[type="radio"]:checked + & {
    border-color: var(--color-text);
    background-color: var(--color-message-bg);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  input[type="radio"]:focus-visible + & {
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-text) 15%, transparent);
  }
}

.admin-form__radio-icon {
  line-height: 1;
  opacity: 0.5;
  transition: opacity 150ms ease;

  img {
    display: block;
  }
}

input[type="radio"]:checked + .admin-form__radio-card .admin-form__radio-icon {
  opacity: 1;
}

/* Admin form: Trix toolbar inside editor group (kept for legacy, Lexxy styles in lexxy.css) */