/* Trợ lý nha khoa (nút nổi + khung chat) — màu theo mục đang xem (--sec), xem assets/js/p-assistant.js */
.ast-fab{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;align-items:center;gap:10px;height:56px;padding:0 20px 0 8px;border:0;border-radius:999px;cursor:pointer;color:#fff;font:inherit;
  background:linear-gradient(135deg,var(--sec) 0%,var(--sec-d) 100%);box-shadow:0 12px 28px -8px rgba(20,33,61,.5),inset 0 0 0 1px rgba(255,255,255,.18);transition:transform .15s,box-shadow .15s}
.ast-fab:hover{transform:translateY(-2px);box-shadow:0 16px 32px -8px rgba(20,33,61,.55),inset 0 0 0 1px rgba(255,255,255,.22)}
.ast-fab::after{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--sec);opacity:0;animation:astPulse 2.8s ease-out infinite;pointer-events:none}
@keyframes astPulse{0%{opacity:.55;transform:scale(1)}70%,100%{opacity:0;transform:scale(1.28)}}
.ast-fab .ast-ic{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:22px;background:rgba(255,255,255,.2);flex:none}
.ast-fab .ast-lb{display:grid;text-align:left;font-size:14px;font-weight:800;line-height:1.15;letter-spacing:-.1px}
.ast-fab .ast-lb small{font-size:11px;font-weight:600;opacity:.9;margin-top:1px}
.ast-open .ast-fab{display:none}

.ast-panel{position:fixed;right:22px;bottom:22px;z-index:61;width:392px;max-width:calc(100vw - 24px);height:620px;max-height:calc(100vh - 44px);display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border-radius:18px;box-shadow:0 24px 60px -16px rgba(20,33,61,.5),0 0 0 1px rgba(20,33,61,.06);animation:astIn .18s ease-out}
.ast-panel[hidden]{display:none}
@keyframes astIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.ast-hd{display:flex;align-items:center;gap:11px;padding:14px 12px 14px 16px;color:#fff;background:linear-gradient(135deg,var(--sec) 0%,var(--sec-d) 100%);position:relative}
.ast-hd::after{content:"";position:absolute;right:-30px;top:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);pointer-events:none}
.ast-av{position:relative;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:23px;background:rgba(255,255,255,.22);flex:none}
.ast-av b{position:absolute;right:0;bottom:1px;width:11px;height:11px;border-radius:50%;background:#3ddc97;border:2px solid #fff}
.ast-ti{flex:1;min-width:0;position:relative;z-index:1}
.ast-ti h3{margin:0;font-size:15.5px;letter-spacing:-.2px;color:#fff}
.ast-ti p{margin:1px 0 0;font-size:11.5px;color:rgba(255,255,255,.9);line-height:1.3}
.ast-x{position:relative;z-index:1;width:32px;height:32px;border:0;border-radius:50%;display:grid;place-items:center;font-size:17px;color:#fff;background:rgba(255,255,255,.14);cursor:pointer}
.ast-x:hover{background:rgba(255,255,255,.28)}
.ast-ctx{display:flex;gap:6px;align-items:center;padding:7px 16px;font-size:11.5px;font-weight:700;color:var(--sec-d);background:var(--sec-s);border-bottom:1px solid rgba(20,33,61,.06)}
.ast-ctx[hidden]{display:none}
.ast-ctx i{font-size:14px;flex:none}
.ast-ctx span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ast-body{flex:1;overflow:auto;padding:16px 14px 8px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#f7f9fb,#fff 40%);scroll-behavior:smooth}
.ast-row{display:flex;gap:8px;align-items:flex-end;max-width:100%}
.ast-row.me{flex-direction:row-reverse}
.ast-mav{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:15px;color:#fff;background:linear-gradient(135deg,var(--sec),var(--sec-d));flex:none;margin-bottom:16px}
.ast-col{min-width:0;display:grid;gap:3px;max-width:calc(100% - 40px)}
.ast-row.me .ast-col{justify-items:end}
.ast-bub{font-size:13.5px;line-height:1.55;padding:10px 13px;border-radius:16px;overflow-wrap:anywhere}
.ast-row.bot .ast-bub{background:#fff;border:1px solid #e3e8ef;border-bottom-left-radius:5px;color:var(--ink);box-shadow:0 1px 2px rgba(20,33,61,.05)}
.ast-row.me .ast-bub{background:var(--sec);color:#fff;border-bottom-right-radius:5px}
.ast-bub ol,.ast-bub ul{margin:6px 0 0;padding-left:18px}.ast-bub li{margin:2px 0}
.ast-bub a:not(.b2){color:var(--sec-d);font-weight:700}
.ast-bub .note{display:block;font-size:11.5px;color:var(--ink-3);margin-top:6px}
.ast-t{font-size:10.5px;color:#9aa3b5}
.ast-quick{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:2px}
.ast-quick a{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1.5px solid #e3e8ef;border-radius:12px;background:#fff;color:var(--ink);font-size:12.5px;font-weight:700;line-height:1.25;transition:border-color .12s,background .12s,transform .12s}
.ast-quick a:hover{border-color:var(--sec);background:var(--sec-s);transform:translateY(-1px)}
.ast-quick a i{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:17px;color:var(--sec);background:var(--sec-s);flex:none}
.ast-acts{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.ast-acts a{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff!important;background:var(--sec)}
.ast-acts a.b2{color:var(--sec-d)!important;background:var(--sec-s)}
.ast-fb{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-3)}
.ast-fb button{border:1px solid #e3e8ef;background:#fff;border-radius:999px;padding:1px 8px;font-size:13px;cursor:pointer}
.ast-fb button:hover{border-color:var(--sec);background:var(--sec-s)}
.ast-fbl{display:inline-flex;gap:8px}.ast-fbl a{font-weight:700;color:var(--sec-d)}
.ast-typing{display:flex;gap:4px;padding:13px 14px!important}
.ast-typing span{width:7px;height:7px;border-radius:50%;background:#b3bccb;animation:astTp 1s infinite}
.ast-typing span:nth-child(2){animation-delay:.15s}.ast-typing span:nth-child(3){animation-delay:.3s}
@keyframes astTp{0%,60%,100%{opacity:.35;transform:none}30%{opacity:1;transform:translateY(-4px)}}
.ast-ft{padding:8px 12px 10px;display:grid;gap:8px;border-top:1px solid #edf0f4;background:#fff}
.ast-chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}
.ast-chips:empty{display:none}
.ast-chips button{flex:none;font:inherit;font-size:12px;font-weight:600;padding:6px 11px;border-radius:999px;border:1.5px solid #dfe5ee;background:#fff;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.ast-chips button:hover{border-color:var(--sec);color:var(--sec-d);background:var(--sec-s)}
.ast-in{display:flex;gap:8px;align-items:center;padding:4px 4px 4px 14px;border:1.5px solid #cfd6e2;border-radius:999px;background:#fff;transition:border-color .12s,box-shadow .12s}
.ast-in:focus-within{border-color:var(--sec);box-shadow:0 0 0 3px var(--sec-s)}
.ast-in input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:13.5px;height:36px;color:var(--ink)}
.ast-in input::placeholder{color:#8d96a8}
.ast-in button{width:38px;height:38px;border:0;border-radius:50%;display:grid;place-items:center;font-size:18px;color:#fff;background:var(--sec);cursor:pointer;flex:none}
.ast-in button:hover{background:var(--sec-d)}
.ast-legal{display:flex;gap:5px;align-items:center;justify-content:center;font-size:10.5px;color:#9aa3b5;text-align:center}
.ast-legal i{color:var(--sec);font-size:12px}
.ast-legal a{color:var(--sec-d);font-weight:700}
@media (max-width:760px){
  .ast-fab{right:12px;bottom:80px;height:52px;padding:0 8px;width:52px;justify-content:center}
  .ast-fab .ast-lb{display:none}
  .ast-panel{right:0;left:0;bottom:0;width:100%;max-width:100%;height:84vh;max-height:none;border-radius:18px 18px 0 0}
}
.ast-row{align-items:flex-start}
.ast-mav{margin-bottom:0}
.ast-legal{display:block;line-height:1.5}
.ast-legal i{margin-right:4px;vertical-align:-2px}