/* ════════════════════════════════════════════════════════════════════════
   T1 Action Icons — chip vetro (azioni pesanti) + ghost (azioni leggere)
   S5 · header note · STAMP · AI · cestino riga
   Glow solo su :hover / :focus-visible — mai idle.
   ════════════════════════════════════════════════════════════════════════ */

.t1-action-icon {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm, 8px);
  cursor: pointer;
  color: inherit;
  background: transparent;
  box-shadow: none;
  filter: none;
  transition:
    color var(--t-fast, 0.2s ease),
    background var(--t-fast, 0.2s ease),
    border-color var(--t-fast, 0.2s ease),
    box-shadow var(--t-fast, 0.2s ease),
    opacity var(--t-fast, 0.2s ease),
    transform var(--t-fast, 0.2s ease);
}

.t1-action-icon svg {
  display: block;
  flex-shrink: 0;
  pointer-events: none;
}

.t1-action-icon:disabled,
.t1-action-icon[aria-disabled='true'] {
  cursor: not-allowed;
  opacity: 0.38;
  pointer-events: none;
}

.t1-action-icon[hidden] {
  display: none !important;
}

/* ── Vetro — header + PDF + AI ─────────────────────────────────────────── */
.t1-action-icon--glass {
  width: var(--t1-action-size);
  min-width: var(--t1-action-size);
  height: var(--t1-action-size);
  min-height: var(--t1-action-size);
  border: 1px solid var(--t1-action-glass-border);
  background: var(--t1-action-glass-bg);
  backdrop-filter: blur(10px) saturate(1.08);
  -webkit-backdrop-filter: blur(10px) saturate(1.08);
}

.t1-action-icon--glass:focus-visible {
  outline: 2px solid color-mix(in srgb, currentColor 55%, transparent);
  outline-offset: 2px;
}

/* Share / consegna + risposta */
.t1-action-icon--share {
  color: var(--t1-action-share);
}

.t1-action-icon--share:hover,
.t1-action-icon--share:focus-visible {
  border-color: color-mix(in srgb, var(--t1-action-share) 42%, transparent);
  background: color-mix(in srgb, var(--t1-action-share) 10%, var(--t1-action-glass-bg));
  box-shadow: 0 0 14px color-mix(in srgb, var(--t1-action-share) 22%, transparent);
}

/* Danger — purge header (idle spento, semantica solo hover) */
.t1-action-icon--danger.t1-action-icon--glass {
  color: color-mix(in srgb, var(--t1-silver, #9aa5b1) 72%, var(--t1-action-danger) 28%);
  border-color: var(--t1-action-glass-border);
  opacity: 0.72;
}

.t1-action-icon--danger.t1-action-icon--glass:hover:not(:disabled),
.t1-action-icon--danger.t1-action-icon--glass:focus-visible:not(:disabled) {
  color: var(--t1-action-danger);
  opacity: 1;
  border-color: color-mix(in srgb, var(--t1-action-danger) 48%, transparent);
  background: color-mix(in srgb, var(--t1-action-danger) 10%, var(--t1-action-glass-bg));
  box-shadow: 0 0 14px color-mix(in srgb, var(--t1-action-danger) 28%, transparent);
}

/* Export / STAMP / PDF (idle spento, semantica solo hover) */
.t1-action-icon--export {
  color: color-mix(in srgb, var(--t1-silver, #9aa5b1) 70%, var(--t1-action-export) 30%);
  border-color: var(--t1-action-glass-border);
  opacity: 0.74;
}

.t1-action-icon--export:hover:not(:disabled),
.t1-action-icon--export:focus-visible:not(:disabled) {
  opacity: 1;
  color: color-mix(in srgb, var(--t1-action-export) 100%, white);
  border-color: color-mix(in srgb, var(--t1-action-export) 58%, rgba(255, 255, 255, 0.2));
  background: color-mix(in srgb, var(--t1-action-export) 12%, var(--t1-action-glass-bg));
  box-shadow: 0 0 16px color-mix(in srgb, var(--t1-action-export) 32%, transparent);
}

.t1-action-icon--export:hover:not(:disabled) svg,
.t1-action-icon--export:focus-visible:not(:disabled) svg {
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--t1-action-export) 55%, transparent));
}

/* AI Insight */
.t1-action-icon--insight {
  color: color-mix(in srgb, var(--t1-action-insight) 82%, rgba(232, 240, 250, 0.9));
  border-color: color-mix(in srgb, var(--t1-action-insight) 28%, var(--t1-action-glass-border));
}

.t1-action-icon--insight:hover,
.t1-action-icon--insight:focus-visible,
.t1-action-icon--insight.is-active,
.t1-action-icon--insight[aria-expanded='true'] {
  border-color: color-mix(in srgb, var(--t1-action-insight) 48%, transparent);
  background: color-mix(in srgb, var(--t1-action-insight) 12%, var(--t1-action-glass-bg));
  color: color-mix(in srgb, var(--t1-action-insight) 95%, white);
  box-shadow: 0 0 16px color-mix(in srgb, var(--t1-action-insight) 26%, transparent);
}

/* ── Ghost — cestino riga nota ─────────────────────────────────────────── */
.t1-action-icon--ghost {
  width: 26px;
  min-width: 26px;
  height: 26px;
  min-height: 26px;
  border: none;
  background: transparent;
  color: color-mix(in srgb, var(--t1-silver, #9aa5b1) 78%, var(--t1-action-danger) 22%);
  opacity: 0;
  pointer-events: none;
}

.notes-feed-item:is(:hover, :focus-within) .t1-action-icon--ghost,
.notes-feed-item.is-active-highlight .t1-action-icon--ghost,
.notes-feed-item.is-hover-link .t1-action-icon--ghost {
  opacity: 0.36;
  pointer-events: auto;
}

.t1-action-icon--ghost:hover,
.t1-action-icon--ghost:focus-visible {
  color: var(--t1-action-danger);
  opacity: 1 !important;
  background: color-mix(in srgb, var(--t1-action-danger) 14%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--t1-action-danger) 32%, transparent);
}

.t1-action-icon--ghost:active {
  transform: scale(0.94);
  background: color-mix(in srgb, var(--t1-action-danger) 22%, transparent);
}

/* Matita modifica testo nota — ghost neutro (non danger) */
.note-edit-btn.t1-action-icon--ghost {
  color: color-mix(in srgb, var(--t1-silver, #9aa5b1) 88%, var(--neon-cyan, #00f2ff) 12%);
}

.note-edit-btn.t1-action-icon--ghost:hover,
.note-edit-btn.t1-action-icon--ghost:focus-visible {
  color: var(--neon-cyan, #00f2ff);
  opacity: 1 !important;
  background: color-mix(in srgb, var(--neon-cyan, #00f2ff) 14%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--neon-cyan, #00f2ff) 28%, transparent);
}

.note-edit-btn.t1-action-icon--ghost:active {
  background: color-mix(in srgb, var(--neon-cyan, #00f2ff) 22%, transparent);
}

/* ── Risposta cliente — badge (no glow box idle) ───────────────────────── */
.notes-share-entry-btn {
  position: relative;
}

.notes-share-entry-btn__badge {
  position: absolute;
  top: 0.18rem;
  right: 0.18rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
  background: var(--t1-action-reply);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--t1-action-reply) 50%, transparent);
  opacity: 0;
  transform: scale(0.72);
  transition: opacity var(--t-fast, 180ms ease), transform var(--t-fast, 180ms ease);
  pointer-events: none;
}

.notes-share-entry-btn.notes-share-btn--has-reply .notes-share-entry-btn__badge {
  opacity: 1;
  transform: scale(1);
  animation: t1-reply-badge-pulse 2.2s ease-in-out infinite;
}

@keyframes t1-reply-badge-pulse {
  0%, 100% { box-shadow: 0 0 0 1px color-mix(in srgb, var(--t1-action-reply) 50%, transparent); }
  50% {
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--t1-action-reply) 65%, transparent),
      0 0 8px color-mix(in srgb, var(--t1-action-reply) 45%, transparent);
  }
}

.notes-share-entry-btn.notes-share-btn--has-reply:hover .notes-share-entry-btn__badge,
.notes-share-entry-btn.notes-share-btn--has-reply:focus-visible .notes-share-entry-btn__badge {
  animation: none;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--t1-action-reply) 70%, transparent),
    0 0 10px color-mix(in srgb, var(--t1-action-reply) 50%, transparent);
}