/* Trợ lý AI — màu thương hiệu: xanh #004AAD làm nền, cam làm điểm nhấn (ngôi sao trên icon) */
:root{--ai:#004AAD;--ai-ink:#003A88;--ai-soft:#EEF4FC;--ai-line:#CFDDF2;--ai-orange:#E8701A}
.ai-card{border-color:var(--ai-line);background:linear-gradient(180deg,var(--ai-soft),var(--surface) 140px)}
.ai-card h2 svg,.ai-lead-ic svg,.btn svg[viewBox="0 0 24 24"][fill="currentColor"]{color:var(--ai)}
.ai-card h2{display:flex;align-items:center;gap:7px}
.ai-card h2 svg{width:17px;height:17px}
.ai-card .btn.primary{background:var(--ai);border-color:var(--ai)}
.ai-card .btn.primary:hover{background:var(--ai-ink)}
.ai-card .btn.primary svg{color:#fff;width:15px;height:15px}
.ai-card .btn svg{width:15px;height:15px}
.ai-quick{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:14px 20px 0;align-items:start}
.ai-quick textarea{min-height:64px;background:var(--surface)}
.ai-quick>.btn{height:40px}
.ai-quick #aiProposal{grid-column:1/-1}
.ai-props{border:1px solid var(--ai-line);border-radius:10px;background:var(--surface);padding:12px 14px;display:flex;flex-direction:column;gap:8px;margin-top:2px}
.ai-prop{display:grid;grid-template-columns:20px 110px minmax(0,1fr);gap:8px;align-items:start;font-size:13.5px;cursor:pointer}
.ai-prop input[type=checkbox]{width:16px;height:16px;margin-top:2px;accent-color:var(--ai)}
.ai-prop-l{color:var(--muted);font-weight:600;font-size:12.5px;padding-top:1px}
.ai-prop-v{display:flex;flex-direction:column;gap:6px;min-width:0}
.ai-prop-v .inp{height:36px}
.ai-prop-v textarea.inp{height:auto;min-height:64px}
.ai-brief{padding-top:14px}
.ai-empty{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.ai-empty p{margin:0;color:var(--muted);font-size:13px;flex:1;min-width:220px}
.ai-sum{margin:0 0 10px;font-size:14px;line-height:1.6}
.ai-risk{display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:7px;margin-bottom:6px}
.ai-risk.ok{background:var(--ok-soft);color:var(--ok)}.ai-risk.warn{background:var(--warn-soft);color:var(--warn)}.ai-risk.bad{background:var(--bad-soft);color:var(--bad)}
.ai-sec{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ai);margin:12px 0 6px}
.ai-list{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:3px;font-size:13.5px}
.ai-next{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}
.ai-next b{display:block;font-size:13.5px}.ai-next span{font-size:12px;color:var(--muted)}
.ai-msg{white-space:pre-wrap;padding:10px 12px;border-radius:9px;background:var(--surface);border:1px dashed var(--ai-line);font-size:13.5px;line-height:1.55}
.ai-acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.ai-meta{margin:12px 0 0;font-size:11.5px;color:var(--faint)}
.ai-loading{display:flex;align-items:center;gap:6px;color:var(--ai);font-size:13px;font-weight:600}
.ai-dot{width:7px;height:7px;border-radius:50%;background:var(--ai);animation:aiDot 1s infinite ease-in-out}
.ai-dot:nth-child(2){animation-delay:.15s}.ai-dot:nth-child(3){animation-delay:.3s}
@keyframes aiDot{0%,80%,100%{opacity:.25;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
.ai-lead{display:flex;align-items:center;gap:12px;padding:12px 14px;margin-bottom:14px;border:1.5px dashed var(--ai-line);border-radius:11px;background:var(--ai-soft)}
.ai-lead-ic{width:34px;height:34px;border-radius:9px;background:#fff;display:grid;place-items:center;flex:none}
.ai-lead-ic svg{width:18px;height:18px}
.ai-lead-txt{flex:1;min-width:0}.ai-lead-txt b{display:block;font-size:13.5px}.ai-lead-txt span{display:block;font-size:12.5px;color:var(--muted)}
.ai-lead.busy{opacity:.8}.ai-lead.busy .ai-lead-ic{animation:aiDot 1s infinite}
.ai-lead.done{border-style:solid;border-color:#BFE3CF;background:var(--ok-soft)}
.lb-ocr{background:rgba(255,255,255,.14)!important;border-color:transparent!important;color:#fff!important;height:32px}
.lb-ocr svg{width:14px;height:14px;color:#FFB27A}
.lb-text{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);width:min(680px,calc(100% - 24px));max-height:45vh;display:flex;flex-direction:column;background:#fff;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.4);overflow:hidden}
.lb-text-h{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.lb-text-h span{display:flex;gap:6px;align-items:center}
.lb-text .icon-btn{color:var(--muted)}
.lb-text pre{margin:0;padding:12px 14px;overflow:auto;white-space:pre-wrap;font:13.5px/1.55 var(--font);color:var(--ink)}
@media (max-width:900px){
  .ai-quick{grid-template-columns:minmax(0,1fr);padding:12px 16px 0}
  .ai-quick>.btn{width:100%;justify-content:center;height:44px}
  .ai-prop{grid-template-columns:20px minmax(0,1fr)}
  .ai-prop-v{grid-column:2}
  .ai-lead{flex-wrap:wrap}
}

/* ---------- trợ lý chung ---------- */
.ai-fab{display:none;position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));z-index:45;align-items:center;gap:8px;height:48px;padding:0 18px 0 14px;border-radius:999px;background:var(--ai);color:#fff;font-weight:700;font-size:14.5px;box-shadow:0 10px 26px -8px rgba(0,74,173,.55)}
.ai-fab svg{width:20px;height:20px;color:#fff}
.ai-fab:hover{background:var(--ai-ink)}
body:has(.shell) .ai-fab{display:flex}
body.ai-open .ai-fab{display:none}
.ai-panel{position:fixed;top:0;right:0;bottom:0;width:min(440px,100vw);z-index:60;background:var(--surface);border-left:1px solid var(--line);box-shadow:-20px 0 50px -20px rgba(15,27,51,.35);display:flex;flex-direction:column;animation:aiIn .18s ease}
@keyframes aiIn{from{transform:translateX(24px)}}
.ai-p-h{display:flex;align-items:center;gap:8px;padding:12px 12px 12px 16px;padding-top:max(12px,env(safe-area-inset-top));border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--ai-soft),var(--surface))}
.ai-p-t{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.ai-p-t>svg{width:22px;height:22px;color:var(--ai);flex:none}
.ai-p-t b{display:block;font-size:15px}.ai-p-t span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-p-body{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}
.ai-m{max-width:92%;font-size:14px;line-height:1.55;overflow-wrap:anywhere}
.ai-m.user{align-self:flex-end;background:var(--brand);color:#fff;padding:9px 13px;border-radius:14px 14px 4px 14px}
.ai-m.assistant{align-self:flex-start;background:var(--sunken);border:1px solid var(--line);padding:10px 14px;border-radius:14px 14px 14px 4px}
.ai-m p{margin:0 0 6px}.ai-m p:last-child{margin:0}
.ai-m ul{margin:2px 0 8px;padding-left:18px;display:flex;flex-direction:column;gap:3px}
.ai-link{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-color:rgba(0,74,173,.3);text-underline-offset:2px}
.ai-hello{margin:auto 0;text-align:center;padding:10px 4px}
.ai-hello-ic{width:52px;height:52px;margin:0 auto 12px;border-radius:16px;background:var(--ai-soft);display:grid;place-items:center}
.ai-hello-ic svg{width:26px;height:26px;color:var(--ai)}
.ai-hello p{color:var(--ink-2);margin:0 auto 16px;max-width:34ch;font-size:14px}
.ai-sugs{display:flex;flex-direction:column;gap:8px;align-items:stretch}
.ai-sugs button{text-align:left;padding:10px 14px;border:1px solid var(--ai-line);border-radius:11px;background:var(--surface);font-weight:500;color:var(--ink-2);font-size:13.5px}
.ai-sugs button:hover{border-color:var(--ai);color:var(--ai)}
.ai-p-in{display:flex;gap:8px;align-items:flex-end;padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface)}
.ai-p-in textarea{flex:1;resize:none;border:1px solid var(--line-strong);border-radius:12px;padding:10px 12px;font:inherit;font-size:14px;line-height:1.4;max-height:140px;background:var(--bg)}
.ai-p-in textarea:focus{outline:none;border-color:var(--ai);box-shadow:0 0 0 3px var(--ai-soft)}
.ai-send{width:42px;height:42px;border-radius:12px;background:var(--ai);color:#fff;display:grid;place-items:center;flex:none}
.ai-send svg{width:20px;height:20px}
.ai-send[disabled]{opacity:.5}
@media (max-width:900px){
  .ai-fab{bottom:calc(84px + env(safe-area-inset-bottom));right:14px;height:46px;padding:0 16px 0 12px}
  .ai-panel{width:100vw;border-left:0;animation:sheetUp .2s ease}
  .ai-p-in textarea{font-size:16px}
  .ai-m{font-size:15px}
}

/* ---------- gọn lại (04/11 tối): máy tính = góc dưới bên trái cạnh menu, điện thoại = nút tròn ---------- */
.ai-fab{left:calc(252px + 20px);right:auto;bottom:max(20px,env(safe-area-inset-bottom));height:42px;padding:0 16px 0 12px;font-size:13.5px}
.ai-fab svg{width:18px;height:18px}
.ai-fab.on{display:flex!important;background:var(--ai-ink)}
body.ai-open .ai-fab{display:flex}
.ai-panel{left:calc(252px + 20px);right:auto;top:auto;bottom:74px;width:min(440px,calc(100vw - 300px));height:min(680px,calc(100vh - 100px));border:1px solid var(--ai-line);border-radius:16px;box-shadow:0 24px 60px -18px rgba(15,27,51,.45);overflow:hidden;animation:aiPop .16s ease}
@keyframes aiPop{from{transform:translateY(12px)}}
.ai-chip{display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 10px;border-radius:999px;border:1px solid var(--ai-line);background:var(--ai-soft);color:var(--ai);font-size:12.5px;font-weight:700}
.ai-chip svg{width:13px;height:13px}
.ai-chip:hover{background:var(--ai);color:#fff}.ai-chip:hover svg{color:#fff}
.ai-deal{border-bottom:1px solid var(--line);background:var(--ai-soft);max-height:55%;overflow:auto;flex:none}
.ai-d-h{display:flex;align-items:center;gap:8px;padding:8px 12px 8px 16px;position:sticky;top:0;background:var(--ai-soft);z-index:1}
.ai-d-name{flex:1;min-width:0;font-size:12.5px;font-weight:700;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-tabs{display:flex;gap:2px;background:var(--surface);border:1px solid var(--ai-line);border-radius:8px;padding:2px;flex:none}
.ai-tabs button{height:26px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:600;color:var(--muted)}
.ai-tabs button.on{background:var(--ai);color:#fff}
.ai-d-b{padding:2px 16px 12px}
.ai-d-b .ai-quick{padding:0;grid-template-columns:minmax(0,1fr)}
.ai-d-b .ai-quick>.btn{width:100%;justify-content:center;background:var(--ai);border-color:var(--ai);color:#fff}
.ai-d-b .ai-quick>.btn svg{color:#fff}
.ai-d-b .ai-brief{font-size:13.5px}
.ai-d-b .ai-sum{font-size:13.5px}
.ai-d-b .btn.primary{background:var(--ai);border-color:var(--ai)}
@media (max-width:900px){
  .ai-fab{left:auto;right:14px;bottom:calc(80px + env(safe-area-inset-bottom));width:50px;height:50px;padding:0;justify-content:center;border-radius:16px}
  .ai-fab span{display:none}
  .ai-fab svg{width:22px;height:22px}
  body.ai-open .ai-fab{display:none}
  .ai-panel{left:0;right:0;top:0;bottom:0;width:100vw;height:auto;border-radius:0;border:0}
  .ai-deal{max-height:50%}
}

/* nút Trợ lý AI: xanh thương hiệu, sao cam */
.ai-fab{background:linear-gradient(135deg,#1766D6 0%,#004AAD 60%,#003A88 100%)}
.ai-fab:hover{background:linear-gradient(135deg,#1766D6,#003A88)}
.ai-fab.on{box-shadow:0 0 0 3px #fff,0 0 0 5px var(--ai-orange),0 10px 26px -8px rgba(0,74,173,.55)}
.ai-chip{background:var(--ai-soft);border-color:var(--ai-line);color:var(--ai)}
.ai-chip:hover{background:var(--ai);color:#fff}
.ai-tabs button.on{background:var(--ai)}
.ai-sec{color:var(--ai-orange)}
.ai-hello-ic{background:linear-gradient(135deg,#1766D6,#004AAD)}
.ai-hello-ic svg{color:#fff}
.ai-p-t>svg{width:26px;height:26px;padding:4px;border-radius:8px;background:linear-gradient(135deg,#1766D6,#004AAD);color:#fff}
.ai-m.user{background:var(--ai)}
.ai-msg{border-color:#F5C9A3}
.ai-link{color:var(--ai)}
.ai-sugs button:hover{border-color:var(--ai-orange);color:var(--ai-orange)}
.ai-deal{box-shadow:0 8px 12px -10px rgba(15,27,51,.35);position:relative;z-index:1}