/* UXCOLLAB_V1 — منتقي المتعاونين داخل المهمة.
   كل الأصناف مسبوقة بـ #uxc-pop كي لا يلمسها theme.css ولا تلمس غيرها؛ الألوان من توكنز opt-ui مع بدائل للثيم الفاتح القديم. */
#uxc-pop {
  --c-surface: var(--ui-surface, #fff);
  --c-surface-2: var(--ui-surface-2, #f4f6fa);
  --c-border: var(--ui-border, #e3e7ee);
  --c-text: var(--ui-text, #1b2330);
  --c-muted: var(--ui-text-muted, #5f6b7a);
  --c-primary: var(--ui-primary, #0f4c81);
  --c-on-primary: var(--ui-on-primary, #fff);
  --c-soft: var(--ui-primary-soft, rgba(15, 76, 129, .09));
  --c-hover: var(--ui-hover, rgba(15, 76, 129, .06));
  --c-focus: var(--ui-focus, rgba(15, 76, 129, .35));
  position: fixed;
  z-index: calc(var(--ui-z-modal, 1055) + 20);
  width: 360px;
  max-width: calc(100vw - 24px);
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  color: var(--c-text);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  box-shadow: 0 18px 48px rgba(16, 24, 40, .18), 0 2px 6px rgba(16, 24, 40, .08);
  font-family: var(--ui-font, inherit);
  font-size: 14px;
  line-height: 1.45;
  text-align: right;
  overflow: hidden;
  animation: uxc-in .14s ease-out;
}
@keyframes uxc-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
#uxc-pop * { box-sizing: border-box; }
#uxc-pop button { font: inherit; cursor: pointer; }
#uxc-pop .uxc-head, #uxc-pop .uxc-chips, #uxc-pop .uxc-search, #uxc-pop .uxc-foot { flex: none; }

#uxc-pop .uxc-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px 8px; }
#uxc-pop .uxc-title { font-weight: 700; font-size: 15px; }
#uxc-pop .uxc-count { font-size: 12px; color: var(--c-muted); background: var(--c-surface-2); border-radius: 999px; padding: 1px 8px; }
#uxc-pop .uxc-x { margin-inline-start: auto; width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: var(--c-muted); font-size: 20px; line-height: 1; display: grid; place-items: center; }
#uxc-pop .uxc-x:hover { background: var(--c-hover); color: var(--c-text); }

#uxc-pop .uxc-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; max-height: 96px; overflow-y: auto; }
#uxc-pop .uxc-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding-inline: 4px 6px; border-radius: 999px; background: var(--c-soft); color: var(--c-text); font-size: 13px; max-width: 100%; }
#uxc-pop .uxc-chip img, #uxc-pop .uxc-chip .uxc-ini { width: 22px; height: 22px; border-radius: 50%; flex: none; object-fit: cover; }
#uxc-pop .uxc-chip span.uxc-n { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#uxc-pop .uxc-chip button { width: 20px; height: 20px; border: 0; border-radius: 50%; background: transparent; color: var(--c-muted); font-size: 15px; line-height: 1; display: grid; place-items: center; padding: 0; }
#uxc-pop .uxc-chip button:hover { background: var(--c-primary); color: var(--c-on-primary); }
#uxc-pop .uxc-empty-chips { color: var(--c-muted); font-size: 13px; }

#uxc-pop .uxc-search { position: relative; padding: 0 14px 8px; }
#uxc-pop .uxc-search input {
  width: 100%; height: 40px; border: 1px solid var(--c-border); border-radius: 10px; background: var(--c-surface-2); color: var(--c-text);
  padding: 0 38px 0 12px; padding-inline: 38px 12px; font: inherit; outline: none; box-shadow: none; margin: 0;
}
#uxc-pop .uxc-search input:focus { border-color: var(--c-primary); background: var(--c-surface); box-shadow: 0 0 0 3px var(--c-focus); }
#uxc-pop .uxc-search svg { position: absolute; top: 11px; inset-inline-start: 26px; width: 18px; height: 18px; color: var(--c-muted); pointer-events: none; }

#uxc-pop .uxc-list { flex: 1 1 auto; overflow-y: auto; padding: 2px 6px 6px; min-height: 60px; overscroll-behavior: contain; }
#uxc-pop .uxc-group { font-size: 11.5px; font-weight: 600; color: var(--c-muted); padding: 8px 10px 4px; }
#uxc-pop .uxc-item { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 48px; padding: 6px 10px; border: 0; border-radius: 10px; background: transparent; color: var(--c-text); text-align: right; }
#uxc-pop .uxc-item:hover, #uxc-pop .uxc-item.is-active { background: var(--c-hover); }
#uxc-pop .uxc-item.is-on { background: var(--c-soft); }
#uxc-pop .uxc-item.is-on.is-active { box-shadow: inset 0 0 0 1.5px var(--c-primary); }
#uxc-pop .uxc-av { position: relative; width: 34px; height: 34px; flex: none; }
#uxc-pop .uxc-av img, #uxc-pop .uxc-av .uxc-ini { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; display: block; }
#uxc-pop .uxc-ini { display: grid !important; place-items: center; color: #fff; font-weight: 700; font-size: 13px; }
#uxc-pop .uxc-meta { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
#uxc-pop .uxc-line { display: flex; align-items: center; gap: 6px; min-width: 0; }
#uxc-pop .uxc-name { min-width: 0; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#uxc-pop .uxc-sub { font-size: 12px; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#uxc-pop .uxc-tag { font-size: 11px; border-radius: 6px; padding: 0 6px; flex: none; white-space: nowrap; background: var(--c-surface-2); color: var(--c-muted); font-weight: 500; }
#uxc-pop .uxc-check { width: 22px; height: 22px; flex: none; border-radius: 6px; border: 1.5px solid var(--c-border); display: grid; place-items: center; color: transparent; }
#uxc-pop .uxc-item.is-on .uxc-check { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-on-primary); }
#uxc-pop .uxc-check svg { width: 14px; height: 14px; }
#uxc-pop .uxc-msg { padding: 18px 10px; text-align: center; color: var(--c-muted); font-size: 13px; }

#uxc-pop .uxc-foot { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--c-border); background: var(--c-surface); }
#uxc-pop .uxc-save, #uxc-pop .uxc-cancel { height: 36px; min-width: 84px; padding: 0 16px; border-radius: 9px; font-weight: 600; font-size: 14px; }
#uxc-pop .uxc-save { border: 1px solid var(--c-primary); background: var(--c-primary); color: var(--c-on-primary); }
#uxc-pop .uxc-save:disabled { opacity: .45; cursor: default; }
#uxc-pop .uxc-cancel { border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); }
#uxc-pop .uxc-cancel:hover { background: var(--c-hover); }
#uxc-pop .uxc-note { margin-inline-start: auto; font-size: 12px; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#uxc-pop .uxc-note.is-err { color: var(--ui-danger-text, #b42318); }
#uxc-pop .uxc-note.is-warn { color: var(--ui-warning-text, #93370d); }
#uxc-pop.is-busy .uxc-list, #uxc-pop.is-busy .uxc-chips { opacity: .5; pointer-events: none; }

/* الجوال: لوحة من أسفل الشاشة */
#uxc-backdrop { position: fixed; inset: 0; z-index: calc(var(--ui-z-modal, 1055) + 19); background: rgba(10, 16, 28, .35); }
#uxc-pop.is-sheet { inset: auto 0 0 0 !important; width: 100%; max-width: none; border-radius: 16px 16px 0 0; max-height: 82vh; max-height: 82dvh; padding-bottom: env(safe-area-inset-bottom); animation: uxc-up .18s ease-out; }
#uxc-pop.is-sheet .uxc-item { min-height: 52px; }
#uxc-pop.is-sheet .uxc-save, #uxc-pop.is-sheet .uxc-cancel { flex: 1; height: 44px; }
#uxc-pop.is-sheet .uxc-note { display: none; }
@media (prefers-reduced-motion: reduce) { #uxc-pop { animation: none !important; } }
@keyframes uxc-up { from { transform: translateY(30px); opacity: .6; } to { transform: none; opacity: 1; } }

/* المرساة في صفحة المهمة: صور المتعاونين + دائرة «+» توضّح أنها قابلة للإضافة */
a[data-act-type="collaborators"].uxc-anchor { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 4px; border-radius: 8px; padding: 2px; }
a[data-act-type="collaborators"].uxc-anchor .avatar { margin: 0 !important; }
a[data-act-type="collaborators"].uxc-anchor::after {
  content: "+"; width: 26px; height: 26px; border-radius: 50%; display: inline-grid; place-items: center;
  border: 1.5px dashed var(--ui-border-strong, #c3cad6); color: var(--ui-text-muted, #5f6b7a); font-size: 16px; line-height: 1;
}
a[data-act-type="collaborators"].uxc-anchor:hover::after { border-color: var(--ui-primary, #0f4c81); color: var(--ui-primary, #0f4c81); }
a[data-act-type="collaborators"].uxc-anchor.uxc-empty::after { display: none; }