/* cc-directory.css -- CC tab "+ New", "Add people", @mention typeahead (ADR-014).
   Loaded after panels.css; markup is built by static/js/features/cc-directory.js.
   Colours come from --pb-* theme tokens only (base.css :root, themes.css light /
   girly remap them), so every theme is right by construction. Do not add
   [data-theme] one-offs here; add or remap a token instead. Kept literals:
   #fff on --pb-blue / avatar gradients, the AI purple tint and the error red. */
.cc-sidebar-actions{display:flex;justify-content:flex-end;padding:8px 12px 0}
.cc-sidebar-actions:has(> .cc-new-btn[hidden]){display:none}
.cc-new-btn,.cc-add-people-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border:1px solid var(--pb-border);border-radius:6px;background:transparent;color:var(--pb-text-muted);font-size:11px;font-weight:600;cursor:pointer;font-family:inherit;transition:color .15s,border-color .15s,background-color .15s;flex-shrink:0}
.cc-new-btn:hover,.cc-add-people-btn:hover,.cc-new-btn:focus-visible,.cc-add-people-btn:focus-visible{color:var(--pb-text);border-color:var(--pb-blue);background:var(--pb-accent-soft)}
.cc-new-btn:focus-visible,.cc-add-people-btn:focus-visible{outline:2px solid var(--pb-blue);outline-offset:1px}
.cc-new-btn svg,.cc-add-people-btn svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cc-new-btn[hidden],.cc-add-people-btn[hidden]{display:none}

/* Initials chip: same look as the @me sidebar / message avatars (.cc-msg-avatar). */
.cc-dir-avatar{width:26px;height:26px;border-radius:50%;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;line-height:1;letter-spacing:0.02em;color:#fff;background:linear-gradient(135deg,var(--pb-orange),var(--pb-yellow));text-shadow:0 1px 1px rgba(0,0,0,0.25)}
.cc-dir-avatar.ai{background:linear-gradient(135deg,var(--pb-purple),var(--pb-blue))}

/* Typeahead listbox: anchored to the composer, opens upward over the messages.
   Same surface/border/radius/shadow tokens as .topic-selector-dropdown. */
.cc-compose{position:relative}
.cc-mention-listbox{position:absolute;left:12px;right:12px;bottom:calc(100% + 4px);max-height:min(40vh,264px);overflow-y:auto;background:var(--pb-surface);border:1px solid var(--pb-border);border-radius:var(--pb-radius-sm);box-shadow:var(--pb-shadow);padding:4px;z-index:45}
.cc-mention-listbox[hidden]{display:none}
.cc-mention-opt{display:flex;align-items:center;gap:8px;padding:6px 10px 6px 8px;border-radius:6px;cursor:pointer;font-size:12px;color:var(--pb-text);min-height:32px;box-sizing:border-box;transition:background-color .12s}
.cc-mention-opt .cc-dir-avatar{width:20px;height:20px;font-size:9px}
.cc-mention-opt:hover{background:var(--pb-accent-soft)}
.cc-mention-opt:active,.cc-mention-opt.active,.cc-mention-opt[aria-selected="true"]{background:var(--pb-blue);color:#fff}
.cc-mention-opt.active .cc-dir-avatar,.cc-mention-opt[aria-selected="true"] .cc-dir-avatar{box-shadow:0 0 0 1.5px #fff}
.cc-mention-opt-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.cc-mention-opt-sub{font-size:11px;color:var(--pb-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.cc-mention-opt.active .cc-mention-opt-sub,.cc-mention-opt[aria-selected="true"] .cc-mention-opt-sub{color:inherit}
/* Member-first cue: a hairline + quiet label above the first non-member
   (members are ranked first by rankMentions). The label is decorative: the
   alt-text form keeps it out of the option's accessible name. */
.cc-mention-opt-first-other{position:relative;margin-top:21px}
.cc-mention-opt-first-other::before{content:'Not in channel';content:'Not in channel' / '';position:absolute;left:4px;right:4px;top:-17px;padding-top:4px;border-top:1px solid var(--pb-border);font-size:10px;font-weight:600;line-height:1;text-transform:uppercase;letter-spacing:0.06em;color:var(--pb-text-muted);pointer-events:none}

/* Dialogs reuse .modal-overlay/.modal. .modal hardcodes a navy card and its
   h2/label/input[type=text] descendants hardcode white text, so the card and
   its parts are scoped .modal.cc-dir-modal (0,3,0) to beat them in every theme. */
.modal.cc-dir-modal{max-width:460px;padding:24px 24px 20px;display:flex;flex-direction:column;gap:10px;color:var(--pb-text);background:var(--pb-surface);border-color:var(--pb-border-hover)}
.cc-dir-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
.modal.cc-dir-modal .cc-dir-title{margin:0;color:var(--pb-text);font-size:22px;line-height:1.2;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cc-dir-x{border:none;background:transparent;color:var(--pb-text-muted);font-size:22px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:6px;transition:color .15s,background-color .15s}
.cc-dir-x:hover{color:var(--pb-text);background:var(--pb-accent-soft)}
.cc-dir-x:focus-visible{color:var(--pb-text);outline:2px solid var(--pb-blue);outline-offset:1px}
.cc-dir-panel[hidden],.cc-dir-error[hidden]{display:none}
.cc-dir-chips{display:flex;flex-wrap:wrap;gap:6px;min-height:4px}
.cc-dir-chip{display:inline-flex;align-items:center;gap:4px;max-width:100%;padding:3px 4px 3px 10px;border-radius:999px;background:var(--pb-accent-soft-2);color:var(--pb-text);font-size:12px}
.cc-dir-chip.ai{background:rgba(139,92,246,0.18)}
.cc-dir-chip-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.cc-dir-chip-x{border:none;background:transparent;color:inherit;opacity:.7;cursor:pointer;font-size:14px;line-height:1;padding:2px 6px;border-radius:999px;font-family:inherit}
.cc-dir-chip-x:hover,.cc-dir-chip-x:focus-visible{opacity:1;background:var(--pb-accent-soft-2)}
.cc-dir-chip-x:focus-visible{outline:2px solid var(--pb-blue);outline-offset:0}
.cc-dir-panel{display:flex;flex-direction:column;gap:8px}
.modal.cc-dir-modal .cc-dir-label{display:block;margin:0;font-size:11px;font-weight:600;color:var(--pb-text-muted);text-transform:uppercase;letter-spacing:0.06em}
.modal.cc-dir-modal .cc-dir-input{width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid var(--pb-border-hover);border-radius:var(--pb-radius-sm);background:var(--pb-surface);color:var(--pb-text);font-size:13px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
.modal.cc-dir-modal .cc-dir-input::placeholder{color:var(--pb-text-muted);opacity:1}
.modal.cc-dir-modal .cc-dir-input:focus{border-color:var(--pb-blue);box-shadow:0 0 0 3px var(--pb-accent-soft-2)}
.cc-dir-list{max-height:min(36vh,260px);overflow-y:auto;border:1px solid var(--pb-border);border-radius:var(--pb-radius-sm);padding:4px}
.cc-dir-opt{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:6px;cursor:pointer;min-height:36px;box-sizing:border-box;transition:background-color .12s}
.cc-dir-opt:hover{background:var(--pb-accent-soft)}
.cc-dir-opt:focus-visible{background:var(--pb-accent-soft);outline:2px solid var(--pb-blue);outline-offset:-2px}
.cc-dir-opt.selected{background:var(--pb-accent-soft-2);box-shadow:inset 3px 0 0 var(--pb-blue)}
.cc-dir-opt.added{opacity:.55;cursor:default}
.cc-dir-opt-text{display:flex;flex-direction:column;min-width:0}
.cc-dir-opt-name{font-size:13px;color:var(--pb-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cc-dir-opt-sub{font-size:11px;color:var(--pb-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cc-dir-empty{padding:10px;font-size:12px;color:var(--pb-text-muted);text-align:center}
.cc-dir-note{margin:0;font-size:12px;color:var(--pb-text-muted);line-height:1.45}
.cc-dir-error{background:rgba(239,68,68,0.12);border:1px solid rgba(239,68,68,0.4);color:#f87171;padding:8px 10px;border-radius:6px;font-size:12px}
.cc-dir-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}
.cc-dir-cancel,.cc-dir-submit{padding:8px 16px;border-radius:var(--pb-radius-sm);font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;transition:color .15s,border-color .15s,background-color .15s}
.cc-dir-cancel{border:1px solid var(--pb-border-hover);background:transparent;color:var(--pb-text-muted)}
.cc-dir-cancel:hover{color:var(--pb-text);border-color:var(--pb-blue);background:var(--pb-accent-soft)}
.cc-dir-submit{border:none;background:var(--pb-blue);color:#fff}
.cc-dir-submit:hover{background:var(--pb-blue-light)}
.cc-dir-submit:disabled{opacity:.55;cursor:not-allowed}
.cc-dir-cancel:focus-visible,.cc-dir-submit:focus-visible{outline:2px solid var(--pb-blue);outline-offset:2px}

/* Light: --pb-surface is a grey-blue (#edf2f7) with no white token, so the
   dialog card alone stays white. Everything else is token-driven. */
[data-theme="light"] .modal.cc-dir-modal{background:#fff}

/* Windows high contrast: author backgrounds and shadows are dropped, so the
   selected/active state is carried by system colours plus a real border. */
@media (forced-colors:active){
  .cc-mention-opt.active,.cc-mention-opt[aria-selected="true"],.cc-dir-opt.selected{background:Highlight;color:HighlightText;border:1px solid CanvasText;forced-color-adjust:none}
  .cc-mention-opt[aria-selected="true"] .cc-mention-opt-sub,.cc-dir-opt.selected .cc-dir-opt-name,.cc-dir-opt.selected .cc-dir-opt-sub{color:HighlightText}
  .cc-dir-avatar{forced-color-adjust:none;background:Canvas;color:CanvasText;border:1px solid CanvasText;text-shadow:none}
  .cc-mention-opt-first-other::before{border-top-color:CanvasText}
}
@media (prefers-reduced-motion:reduce){
  .cc-new-btn,.cc-add-people-btn,.cc-mention-opt,.cc-dir-x,.cc-dir-opt,.cc-dir-cancel,.cc-dir-submit,.modal.cc-dir-modal .cc-dir-input{transition:none}
}

/* Mobile (<=640px): full-width sheet dialogs, icon-only Add people, a shorter
   typeahead that stays inside the conversation pane above the composer. */
@media(max-width:640px){
  .modal.cc-dir-modal{width:calc(100% - 24px);max-width:none;max-height:86vh;max-height:min(86dvh,600px);padding:18px 16px 16px;border-radius:14px}
  .modal.cc-dir-modal .cc-dir-title{font-size:20px}
  .cc-dir-list{max-height:min(34vh,240px)}
  .cc-dir-opt,.cc-mention-opt{min-height:44px}
  .cc-dir-chip-x{padding:6px 8px}
  .cc-dir-actions > button{flex:1;min-height:44px}
  .cc-add-people-label{display:none}
  .cc-add-people-btn{width:28px;height:28px;padding:0;justify-content:center}
  .cc-mention-listbox{left:8px;right:8px;max-height:min(32vh,220px)}
}