/* ════════════════════════════════════════════════════════════════════════════
 * LINKED STUDENTS — styles (Phase 2A / Core)
 * يعيد استخدام tokens main.css (--card,--text,--border,--radius,--primary...).
 * لا ألوان مخترعة. ملف مستقل قابل للإزالة بحذف سطر <link> الخاص به.
 * ════════════════════════════════════════════════════════════════════════════ */

/* بطاقات إحصائية */
.ls-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px;}
.ls-stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px;text-align:center;}
.ls-stat-ic{font-size:1.3rem;margin-bottom:6px;}
.ls-stat-val{font-size:1.5rem;font-weight:800;color:var(--text);}
.ls-stat-lbl{font-size:.78rem;color:var(--text2);margin-top:2px;}

/* شريط الأدوات */
.ls-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px;}
.ls-search{flex:1;min-width:220px;background:var(--card2);border:1px solid var(--border);
  color:var(--text);border-radius:10px;padding:9px 12px;font-family:inherit;font-size:.9rem;}
.ls-search:focus{outline:none;border-color:var(--primary);}
.ls-sort{background:var(--card2);border:1px solid var(--border);color:var(--text);
  border-radius:10px;padding:9px 10px;font-family:inherit;font-size:.85rem;}
.ls-pills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;}
.ls-pill{background:var(--card2);border:1px solid var(--border);color:var(--text2);
  border-radius:999px;padding:5px 14px;font-size:.8rem;cursor:pointer;font-family:inherit;
  transition:all .2s;}
.ls-pill:hover{color:var(--text);}
.ls-pill.on{background:var(--primary);border-color:var(--primary);color:#fff;}

/* شبكة البطاقات */
.ls-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;}
.ls-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px;display:flex;flex-direction:column;gap:12px;transition:border-color .2s;}
.ls-card:hover{border-color:var(--primary);}
.ls-card.ls-pinned{border-color:#d4af37;}
.ls-card-top{display:flex;gap:12px;align-items:flex-start;}
.ls-avatar{width:46px;height:46px;border-radius:50%;background:var(--card2);
  border:2px solid var(--muted);display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:800;color:var(--text);flex-shrink:0;}
.ls-id{flex:1;min-width:0;}
.ls-name{font-weight:700;color:var(--text);font-size:.96rem;}
.ls-sub{font-size:.8rem;color:var(--text2);margin:2px 0 6px;word-break:break-word;}
.ls-badges{display:flex;gap:5px;flex-wrap:wrap;}
.ls-badge{font-size:.68rem;border:1px solid var(--border);border-radius:6px;
  padding:2px 7px;color:var(--text2);}
.ls-badge.ls-bad{color:var(--danger);border-color:var(--danger);}
.ls-badge.ls-warn{color:var(--warning);border-color:var(--warning);}
.ls-badge.ls-new{color:var(--primary);border-color:var(--primary);}
.ls-kpis{display:flex;gap:12px;flex-wrap:wrap;font-size:.76rem;color:var(--text2);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:8px 0;}
.ls-kpis i{opacity:.65;margin-inline-end:3px;}
.ls-actions{display:flex;gap:6px;flex-wrap:wrap;}

/* أزرار صغيرة جداً (امتداد بسيط لنمط a-btn القائم) */
.a-btn.xs{padding:5px 9px;font-size:.74rem;border-radius:8px;}

/* جدول */
.ls-tablewrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);}
.ls-table{width:100%;border-collapse:collapse;font-size:.84rem;}
.ls-table th,.ls-table td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--border);
  white-space:nowrap;color:var(--text);}
.ls-table th{background:var(--card2);color:var(--text2);font-weight:600;}
.ls-table tr:last-child td{border-bottom:none;}
.ls-tac{display:flex;gap:5px;flex-wrap:wrap;}

/* حالات */
.ls-loading,.ls-empty{text-align:center;padding:50px 20px;color:var(--text2);}
.ls-loading i,.ls-empty i{font-size:2.2rem;display:block;margin-bottom:12px;opacity:.5;}
.ls-empty.ls-err i{color:var(--danger);opacity:.8;}
.ls-empty p{margin:0 0 14px;}

@media (max-width:768px){
  .ls-stats{grid-template-columns:repeat(2,1fr);}
  .ls-grid{grid-template-columns:1fr;}
}

/* ── Profile Drawer (2B) ───────────────────────────────────────────────── */
.ls-drawer-ov{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9000;
  opacity:0;pointer-events:none;transition:opacity .25s;}
.ls-drawer-ov.on{opacity:1;pointer-events:auto;}
.ls-drawer{position:absolute;top:0;right:0;height:100%;width:480px;max-width:92vw;
  background:var(--bg);border-inline-start:1px solid var(--border);
  display:flex;flex-direction:column;transform:translateX(110%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);box-shadow:-12px 0 40px rgba(0,0,0,.4);}
.ls-drawer-ov.on .ls-drawer{transform:translateX(0);}
.ls-dr-head{display:flex;align-items:center;gap:10px;padding:16px;
  border-bottom:1px solid var(--border);background:var(--card);}
.ls-dr-idwrap{display:flex;align-items:center;gap:10px;flex:1;min-width:0;}
.ls-dr-av{width:44px;height:44px;border-radius:50%;background:var(--card2);
  border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;font-weight:800;color:var(--text);flex-shrink:0;}
.ls-dr-name{font-weight:700;color:var(--text);}
.ls-dr-sub{font-size:.8rem;color:var(--text2);}
.ls-dr-x{background:none;border:none;color:var(--text2);font-size:1.1rem;cursor:pointer;padding:6px;}
.ls-dr-x:hover{color:var(--danger);}
.ls-dr-tabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border);
  overflow-x:auto;background:var(--card);}
.ls-dr-tab{background:none;border:none;color:var(--text2);font-family:inherit;
  font-size:.83rem;padding:7px 12px;border-radius:8px;cursor:pointer;white-space:nowrap;}
.ls-dr-tab:hover{color:var(--text);}
.ls-dr-tab.on{background:var(--primary);color:#fff;}
.ls-dr-body{flex:1;overflow-y:auto;padding:16px;}
.ls-dr-sec{margin-bottom:18px;}
.ls-dr-row{display:flex;justify-content:space-between;gap:10px;padding:7px 0;
  border-bottom:1px solid var(--border);font-size:.86rem;}
.ls-dr-row span{color:var(--text2);}
.ls-dr-row b{color:var(--text);font-weight:600;text-align:end;word-break:break-word;}
.ls-dr-lbl{display:block;font-size:.8rem;color:var(--text2);margin:10px 0 5px;}
.ls-dr-ta,.ls-dr-in{width:100%;background:var(--card2);border:1px solid var(--border);
  color:var(--text);border-radius:8px;padding:8px 10px;font-family:inherit;font-size:.86rem;}
.ls-dr-ta:focus,.ls-dr-in:focus{outline:none;border-color:var(--primary);}
.ls-dr-tl{display:flex;flex-direction:column;gap:2px;}
.ls-dr-tlrow{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);
  font-size:.85rem;color:var(--text);}
.ls-dr-tlrow i{color:var(--primary);opacity:.8;margin-top:3px;}
.ls-dr-tlt{font-size:.75rem;color:var(--text2);margin-top:2px;}
.ls-dr-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.ls-dr-crs{display:flex;gap:8px;align-items:center;background:var(--card);
  border:1px solid var(--border);border-radius:10px;padding:8px;font-size:.84rem;color:var(--text);}
.ls-dr-crs img{width:42px;height:42px;border-radius:8px;object-fit:cover;flex-shrink:0;}
.ls-dr-crs-ph{width:42px;height:42px;border-radius:8px;background:var(--card2);
  display:flex;align-items:center;justify-content:center;color:var(--muted);flex-shrink:0;}
.ls-dr-conv{display:flex;flex-direction:column;gap:12px;}
.ls-dr-convitem{border-bottom:1px solid var(--border);padding-bottom:10px;}
.ls-dr-msg{font-size:.85rem;color:var(--text);background:var(--card);
  border:1px solid var(--border);border-radius:10px;padding:7px 10px;margin-top:5px;}
.ls-dr-msg span{display:block;font-size:.7rem;color:var(--text2);margin-bottom:2px;}
.ls-dr-msg.out{background:var(--card2);}
.ls-dr-load{text-align:center;padding:40px;color:var(--text2);font-size:1.6rem;}
.ls-dr-empty{text-align:center;padding:34px;color:var(--text2);font-size:.9rem;}
.ls-dr-soft{margin-top:10px;font-size:.75rem;color:var(--warning);text-align:center;}
@media (max-width:768px){.ls-drawer{width:100%;max-width:100vw;}}

/* ── Message Modal (Phase 4) ───────────────────────────────────────────── */
.ls-modal-ov{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9100;
  display:flex;align-items:center;justify-content:center;padding:16px;
  opacity:0;pointer-events:none;transition:opacity .2s;}
.ls-modal-ov.on{opacity:1;pointer-events:auto;}
.ls-modal{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  width:600px;max-width:100%;max-height:90vh;display:flex;flex-direction:column;
  transform:scale(.96);transition:transform .2s;}
.ls-modal-ov.on .ls-modal{transform:scale(1);}
.ls-modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 16px;border-bottom:1px solid var(--border);background:var(--card);}
.ls-modal-tabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border);
  overflow-x:auto;background:var(--card);}
.ls-modal-body{padding:16px;overflow-y:auto;}
.ls-modal-note{font-size:.78rem;color:var(--text2);background:var(--card2);
  border:1px solid var(--border);border-radius:8px;padding:8px 10px;margin-bottom:10px;}
.ls-modal-note i{color:var(--primary);margin-inline-end:4px;}
.ls-modal-count{font-size:.75rem;color:var(--text2);text-align:end;margin:4px 0 10px;}
.ls-modal-reset{text-align:center;padding:14px;color:var(--text2);}
.ls-modal-reset i{font-size:2rem;color:var(--warning);display:block;margin-bottom:10px;}
.ls-modal-reset p{margin:6px 0;font-size:.88rem;}
.ls-modal .a-btn{width:100%;margin-top:10px;justify-content:center;}