:root{
  --red:#8b1a1a;--red2:#b22222;--gold:#d4a017;--gold2:#f5c542;--paper:#fffaf0;--bg:#f7f1e6;--ink:#2b1d14;
  --muted:#7a6a5a;--line:#e6d8c0;--card:#ffffff;--blue:#1f4e8c;--pink:#b0417a;--ok:#2e7d32;--warn:#c77700;
  --shadow:0 2px 10px rgba(80,40,10,.08);--radius:12px;
}
@media (prefers-color-scheme: dark){
  :root{--paper:#1d1612;--bg:#15100d;--ink:#f2e8da;--muted:#b8a690;--line:#3a2d23;--card:#221a15;--shadow:0 2px 10px rgba(0,0,0,.4)}
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
a{color:var(--red2);text-decoration:none}
.hidden{display:none!important}
h1,h2,h3{font-family:"Noto Serif","Times New Roman",serif;color:var(--red);margin:.2em 0 .5em}
@media (prefers-color-scheme: dark){h1,h2,h3{color:var(--gold2)}}
input,select,textarea{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}
textarea{min-height:90px;resize:vertical}
label{display:block;font-size:13px;color:var(--muted);margin:8px 0 3px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--red);color:#fff;border:0;border-radius:8px;padding:8px 14px;cursor:pointer;font:inherit;font-weight:600;white-space:nowrap}
.btn:hover{background:var(--red2)}
.btn.gold{background:var(--gold);color:#2b1d14}
.btn.ghost{background:transparent;color:var(--red);border:1px solid var(--line)}
@media (prefers-color-scheme: dark){.btn.ghost{color:var(--gold2)}}
.btn.small{padding:5px 10px;font-size:13px}
.btn.danger{background:#9b2c2c}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{background:none;border:0;font-size:20px;cursor:pointer;color:inherit;padding:4px 8px;border-radius:8px}
.icon-btn:hover{background:rgba(0,0,0,.06)}
.mic.listening{background:#c62828;color:#fff;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}

/* layout */
#shell{display:grid;grid-template-columns:230px 1fr;grid-template-rows:58px 1fr;height:100vh}
.topbar{grid-column:1/3;display:flex;align-items:center;gap:14px;padding:0 14px;background:linear-gradient(90deg,var(--red),#5e0f0f);color:#fff;box-shadow:var(--shadow);z-index:20}
.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:0}
.brand b{display:block;font-family:"Noto Serif",serif;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand small{display:block;font-size:12px;color:var(--gold2)}
.seal{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--gold2);color:var(--red);font-size:24px;font-weight:bold;font-family:serif;flex:none}
.top-search{flex:1;max-width:520px;position:relative;display:flex;align-items:center;margin-left:auto}
.top-search input{background:rgba(255,255,255,.95);color:#222;border:0}
.top-search .icon-btn{color:#fff}
.user-box{display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap}
.user-box .btn.ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.dropdown{position:absolute;top:44px;left:0;right:0;background:var(--card);color:var(--ink);border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.25);max-height:60vh;overflow:auto;z-index:50}
.dropdown a{display:block;padding:8px 12px;border-bottom:1px solid var(--line);color:var(--ink)}
.dropdown a:hover{background:var(--bg)}
.sidebar{background:var(--card);border-right:1px solid var(--line);padding:10px 8px;overflow:auto}
.sidebar a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--ink);margin-bottom:2px}
.sidebar a:hover{background:var(--bg)}
.sidebar a.active{background:var(--red);color:#fff}
main{overflow:auto;padding:18px 22px 80px;position:relative}
.only-mobile{display:none}
@media (max-width:860px){
  #shell{grid-template-columns:1fr}
  .only-mobile{display:block;color:#fff}
  .sidebar{position:fixed;top:58px;left:0;bottom:0;width:250px;z-index:30;transform:translateX(-100%);transition:.2s;box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .user-box span{display:none}
  .brand small{display:none}
  .top-search{max-width:none}
  main{padding:12px 12px 90px}
}
@media (max-width:560px){.brand b{display:none}}

/* cards */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);min-width:0}
.card h3{margin-top:0}
.stat{text-align:center}
.stat b{display:block;font-size:30px;color:var(--red);font-family:"Noto Serif",serif}
@media (prefers-color-scheme: dark){.stat b{color:var(--gold2)}}
.stat span{color:var(--muted);font-size:13px}
.hero{border-radius:16px;overflow:hidden;position:relative;margin-bottom:16px;box-shadow:var(--shadow)}
.hero img{width:100%;height:auto;display:block}
.hero{background:#5e0f0f}
.countdown{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;background:linear-gradient(90deg,#5e0f0f,var(--red),#5e0f0f);color:#fff;padding:9px 14px;border-top:2px solid var(--gold2);text-align:center}
.countdown b{font-size:22px;color:var(--gold2)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.toolbar input,.toolbar select{width:auto;min-width:140px}
.toolbar input[type=checkbox]{min-width:0;width:auto;margin:0}
.toolbar label.row{display:inline-flex;gap:5px;color:var(--ink);font-size:14px}
.toolbar .grow{flex:1}
.chip{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:12px;color:var(--muted);margin:1px}
.chip.red{background:var(--red);color:#fff;border-color:var(--red)}
.chip.gold{background:var(--gold2);color:#2b1d14;border-color:var(--gold)}
.chip.dead{background:#555;color:#eee;border-color:#555}
.muted{color:var(--muted)}
.right{text-align:right}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row>*{min-width:0}
.row.nowrap{flex-wrap:nowrap}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 14px}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--bg);font-size:13px;color:var(--muted);position:sticky;top:0}
tr:hover td{background:rgba(212,160,23,.07)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;max-height:70vh}
.list-item{display:flex;gap:10px;align-items:center;padding:9px 4px;border-bottom:1px dashed var(--line)}
.list-item:last-child{border-bottom:0}
.datebox{min-width:62px;text-align:center;background:var(--red);color:#fff;border-radius:10px;padding:4px 6px;line-height:1.1}
.datebox b{font-size:20px;display:block}
.datebox small{font-size:11px;color:var(--gold2)}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;background:var(--bg);display:inline-grid;place-items:center;font-weight:bold;color:var(--red);border:2px solid var(--gold2);flex:none}
.avatar.lg{width:140px;height:170px;border-radius:12px;font-size:48px}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:12px;overflow:auto}
.tabs button{background:none;border:0;padding:9px 14px;cursor:pointer;font:inherit;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabs button.active{color:var(--red);border-bottom-color:var(--red);font-weight:600}
.bar{height:16px;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:4px}
.md p{line-height:1.7}.md h2{font-size:20px}
.profile-head{display:flex;gap:18px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 10px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0}
@media (max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.gallery figure{margin:0;position:relative}
.gallery img,.gallery video{width:100%;height:120px;object-fit:cover;border-radius:8px;background:#000}
.gallery figcaption{font-size:12px;color:var(--muted)}
.timeline{border-left:3px solid var(--gold);padding-left:14px}
.timeline div{margin-bottom:10px;position:relative}
.timeline div:before{content:"";position:absolute;left:-21px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--red)}

/* tree */
.tree-wrap{position:relative;height:calc(100vh - 175px);min-height:420px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:
  radial-gradient(circle at 50% 0,rgba(212,160,23,.12),transparent 60%),var(--paper)}
.tree-wrap svg{width:100%;height:100%;cursor:grab;display:block}
.tree-wrap svg:active{cursor:grabbing}
.tree-panel{position:absolute;right:10px;top:10px;width:300px;max-height:calc(100% - 20px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:0 6px 24px rgba(0,0,0,.18)}
@media (max-width:560px){.tree-panel{left:10px;width:auto;top:auto;bottom:10px;max-height:55%}}
.legend{position:absolute;left:10px;bottom:10px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:12px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin:0 4px -2px 8px}
.zoom-ctl{position:absolute;left:10px;top:10px;display:flex;flex-direction:column;gap:4px}
.zoom-ctl button{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:18px;cursor:pointer}

/* calendar */
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.cal div{background:var(--paper);border:1px solid var(--line);border-radius:8px;min-height:62px;padding:4px 6px;font-size:13px;position:relative}
.cal .h{min-height:auto;background:none;border:0;text-align:center;color:var(--muted);font-weight:600}
.cal .today{outline:2px solid var(--red)}
.cal small{position:absolute;right:5px;bottom:3px;color:var(--muted);font-size:11px}
.cal small.l1{color:var(--red2);font-weight:bold}
.cal .ev{display:block;font-size:10px;background:var(--gold2);color:#2b1d14;border-radius:4px;padding:0 3px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* AI */
.ai-fab{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;border:3px solid var(--gold2);background:var(--red);color:#fff;font-size:28px;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:40}
.ai-drawer{position:fixed;right:20px;bottom:90px;width:420px;max-width:calc(100vw - 24px);height:min(640px,calc(100vh - 120px));background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.3);z-index:41;display:flex;flex-direction:column;overflow:hidden}
@media (max-width:560px){.ai-drawer{right:12px;bottom:86px}}
.chat{display:flex;flex-direction:column;height:100%}
.chat-head{padding:10px 12px;background:var(--red);color:#fff;display:flex;align-items:center;gap:8px}
.chat-head select{width:auto;max-width:150px;padding:4px;font-size:12px;background:#fff;color:#222}
.chat-msgs{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:88%;padding:9px 12px;border-radius:12px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}
.msg.user{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:3px}
.msg.assistant{align-self:flex-start;background:var(--bg);border:1px solid var(--line);border-bottom-left-radius:3px}
.msg .tools{font-size:11px;color:var(--muted);margin-top:4px}
.msg img{max-width:180px;border-radius:8px;display:block;margin-top:6px}
.chat-input{display:flex;gap:6px;padding:8px;border-top:1px solid var(--line);align-items:flex-end}
.chat-input textarea{min-height:42px;max-height:120px;flex:1}
.page-ai .chat{height:calc(100vh - 140px);border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}

/* modal, toast */
.modal{position:fixed;inset:0;background:rgba(20,10,5,.55);z-index:60;display:grid;place-items:center;padding:12px}
.modal-box{background:var(--card);border-radius:14px;max-width:820px;width:100%;max-height:92vh;overflow:auto;padding:20px;position:relative}
.modal-x{position:absolute;right:10px;top:8px;border:0;background:none;font-size:20px;cursor:pointer;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#222;color:#fff;padding:10px 18px;border-radius:10px;z-index:70;max-width:90vw}
.toast.err{background:#9b2c2c}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(rgba(60,10,10,.55),rgba(60,10,10,.75)),url(/static/img/banner.jpg) center/cover}
.auth-box{background:var(--card);border-radius:16px;padding:26px;width:100%;max-width:420px;box-shadow:0 12px 40px rgba(0,0,0,.4);border-top:5px solid var(--gold2)}
.auth-box h1{text-align:center;font-size:24px}
.auth-box .sub{text-align:center;color:var(--muted);margin-bottom:12px}
.canvas-box{background:repeating-conic-gradient(#ddd 0 25%,#fff 0 50%) 0/20px 20px;border-radius:10px;display:flex;justify-content:center;align-items:center;min-height:200px;overflow:auto;position:relative}
.canvas-box canvas,.canvas-box img{max-width:100%;max-height:520px}
.face-tag{position:absolute;border:2px solid var(--gold2);color:#fff;font-size:12px}
.face-tag span{position:absolute;left:-2px;top:100%;background:var(--red);padding:1px 5px;white-space:nowrap;border-radius:0 0 4px 4px}
@media print{.topbar,.sidebar,.ai-fab,.ai-drawer,.toolbar{display:none!important}#shell{display:block}main{overflow:visible}}
@media (max-width:860px){.grid[style*="minmax(2"]{grid-template-columns:1fr!important}}

/* ===== v2: badge, split, bản đồ, bể dữ liệu, chat, điện thoại ===== */
.badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#e53935;color:#fff;font-size:11px;font-style:normal;font-weight:700;margin-left:auto;line-height:1}
.sidebar a .badge{margin-left:auto}
.badge.static{position:static}
.ellip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.grid.split{grid-template-columns:minmax(220px,320px) 1fr}
.grid.split-r{grid-template-columns:1fr minmax(240px,330px)}
.map-box{height:calc(100vh - 170px);min-height:420px;border-radius:12px;border:1px solid var(--line);z-index:1}
.map-box.picking{cursor:crosshair}
.map-side{max-height:calc(100vh - 170px);overflow:auto}
.pick-hint{position:absolute;top:10px;left:50%;transform:translateX(-50%);z-index:500;background:#c62828;color:#fff;padding:8px 14px;border-radius:20px;box-shadow:var(--shadow)}
.pick-hint a{color:#ffeb3b}
.map-pin span{display:grid;place-items:center;width:34px;height:34px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--c);border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.map-pin i{transform:rotate(45deg);font-style:normal;font-size:17px}
.leaflet-container{font:inherit}
.perm-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px 10px;background:var(--bg);border-radius:8px;padding:8px}
.dropzone{display:block;border:2px dashed var(--gold);border-radius:12px;padding:26px;text-align:center;cursor:pointer;background:var(--paper);color:var(--ink);margin:0}
.dropzone.over{background:rgba(212,160,23,.15);border-color:var(--red)}
.pool-item .icon-btn{font-size:17px;padding:4px}
.prop-item{border-bottom:1px dashed var(--line);padding:8px 0}
.m-cards{display:flex;flex-direction:column;gap:8px}
.m-card{display:flex;gap:10px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;color:var(--ink)}

/* chat */
.chat-app{display:grid;grid-template-columns:330px 1fr;height:calc(100vh - 100px);min-height:420px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.chat-list{border-right:1px solid var(--line);padding:10px;overflow:auto;display:flex;flex-direction:column}
.chat-list-head{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.conv-item{display:flex;gap:10px;align-items:center;padding:9px 8px;border-radius:10px;color:var(--ink)}
.conv-item:hover{background:var(--bg)}.conv-item.active{background:rgba(139,26,26,.1)}
.conv-ava{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--gold2);color:var(--red);font-weight:700;font-size:19px;flex:none}
.conv-ava.t-all{background:var(--red);color:#fff}.conv-ava.t-group{background:#1f4e8c;color:#fff}
.chat-pane{display:flex;flex-direction:column;min-width:0;background:var(--paper)}
.chat-empty{margin:auto;text-align:center;padding:20px}
.chat-pane-head{display:flex;gap:10px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--card)}
.back-btn{display:none;font-size:30px;line-height:1;color:var(--red)}
.chat-pinned{padding:6px 12px;background:#fff7e0;border-bottom:1px solid var(--line);font-size:13px;color:#5e4b00}
.chat-msgs2{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:4px}
.bub-row{display:flex;gap:6px;align-items:flex-end}.bub-row.mine{justify-content:flex-end}
.mini-ava{width:28px;height:28px;border-radius:50%;background:var(--gold2);color:var(--red);display:grid;place-items:center;font-size:12px;font-weight:700;flex:none;visibility:visible}
.mini-ava:empty{visibility:hidden}
.bub{max-width:72%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:7px 11px;word-wrap:break-word;position:relative}
.mine .bub{background:#d9ecff;border-color:#b8d8f5;color:#12263a}
@media (prefers-color-scheme: dark){.mine .bub{background:#1d3b57;color:#e6f1ff;border-color:#2b5378}}
.bub.pinned{outline:2px solid var(--gold2)}
.bub.deleted{opacity:.6}
.bub img,.bub video{max-width:240px;max-height:260px;border-radius:8px;display:block;margin:3px 0}
.bub-name{font-size:12px;font-weight:700;color:var(--red2);margin-bottom:2px}
.bub-quote{font-size:12px;border-left:3px solid var(--gold);padding-left:6px;margin-bottom:4px;color:var(--muted)}
.bub-meta{font-size:10.5px;color:var(--muted);text-align:right;margin-top:2px}
.bub-act{display:none;margin-left:6px}.bub-act a{margin-left:5px}
.bub:hover .bub-act{display:inline}
.bub-file{display:inline-block;padding:6px 8px;background:var(--bg);border-radius:8px}
.day-sep{text-align:center;margin:8px 0}.day-sep span{background:var(--line);color:var(--muted);font-size:11px;padding:2px 10px;border-radius:10px}
.sys-msg{text-align:center;font-size:12px;color:var(--muted);margin:4px 0}
.chat-readonly{padding:14px;text-align:center;background:var(--bg);border-top:1px solid var(--line);color:var(--muted)}
.chat-reply{padding:6px 12px;font-size:12px;background:var(--bg);border-top:1px solid var(--line)}
.chat-pane .chat-input{background:var(--card)}

/* app grid kiểu banking */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 6px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 8px;box-shadow:var(--shadow);margin:12px 0}
.app-tile{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--ink);text-align:center;min-width:0}
.app-ico{position:relative;width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:26px;background:linear-gradient(145deg,color-mix(in srgb,var(--c) 18%,#fff),color-mix(in srgb,var(--c) 32%,#fff));box-shadow:0 3px 8px color-mix(in srgb,var(--c) 30%,transparent)}
@media (prefers-color-scheme: dark){.app-ico{background:linear-gradient(145deg,color-mix(in srgb,var(--c) 45%,#222),color-mix(in srgb,var(--c) 25%,#111))}}
.app-ico .badge{position:absolute;top:-5px;right:-7px}
.app-lbl{font-size:12px;line-height:1.25;max-width:84px}
.app-tile:active .app-ico{transform:scale(.94)}
.m-sec{font-size:16px;margin:16px 4px 8px}
.m-search{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:11px 16px;color:var(--muted);margin-top:12px;cursor:text}
.m-profile{display:flex;gap:12px;align-items:center}
.bottom-nav{display:none}

/* ===== chế độ điện thoại ===== */
body.m #shell{grid-template-columns:1fr;grid-template-rows:54px 1fr}
body.m .topbar{height:54px;gap:8px;padding:0 10px}
body.m .sidebar,body.m #menuBtn{display:none!important}
body.m .brand b,body.m .brand small,body.m .user-box{display:none}
body.m .seal{width:34px;height:34px;font-size:21px}
body.m .top-search{max-width:none}
body.m main{padding:10px 10px 84px}
body.m .bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;height:64px;background:var(--card);border-top:1px solid var(--line);z-index:45;box-shadow:0 -2px 12px rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}
body.m .bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted)}
body.m .bottom-nav a .bi{font-size:21px;position:relative}
body.m .bottom-nav a .bi .badge{position:absolute;top:-6px;right:-12px}
body.m .bottom-nav a.active{color:var(--red);font-weight:700}
body.m .ai-fab{bottom:76px;right:14px;width:50px;height:50px;font-size:24px}
body.m .ai-drawer{left:6px;right:6px;bottom:70px;width:auto;height:calc(100vh - 140px)}
body.m .grid.split,body.m .grid.split-r,body.m .grid.g2,body.m .grid[style*="minmax(2"]{grid-template-columns:1fr!important}
body.m .g4{grid-template-columns:repeat(2,1fr)}
body.m .stat b{font-size:24px}
body.m .countdown{font-size:13px;gap:6px}.countdown b{white-space:nowrap}
body.m .countdown b{font-size:18px}
body.m .toolbar input,body.m .toolbar select{min-width:0;flex:1 1 140px}
body.m .tree-wrap{height:calc(100vh - 230px)}
body.m .map-box{height:58vh;min-height:320px}
body.m .map-side{max-height:none}
body.m .chat-app{grid-template-columns:1fr;height:calc(100vh - 140px);border-radius:12px}
body.m .chat-app .chat-pane{display:none}
body.m .chat-app.has-conv .chat-list{display:none}
body.m .chat-app.has-conv .chat-pane{display:flex}
body.m .back-btn{display:inline-block}
body.m .bub{max-width:82%}
body.m .bub-act{display:inline}
body.m .modal{padding:0;align-items:end}
body.m .modal-box{border-radius:16px 16px 0 0;max-height:94vh;padding:16px}
body.m h2{font-size:20px}
body.m .kv{grid-template-columns:1fr}
body.m .profile-head .avatar.lg{width:110px;height:130px}
/* khung điện thoại khi bật trên màn hình lớn */
body.phone-frame{background:#2b1d14}
body.phone-frame #shell{max-width:430px;margin:0 auto;box-shadow:0 0 40px rgba(0,0,0,.5);position:relative;background:var(--bg)}
body.phone-frame .bottom-nav{left:50%;right:auto;width:430px;transform:translateX(-50%)}
body.phone-frame .ai-fab{right:calc(50% - 215px + 14px)}
body.phone-frame .ai-drawer{left:calc(50% - 209px);right:auto;width:418px}
body.phone-frame .modal-box{max-width:430px}
body.phone-frame .toast{max-width:400px}

body[data-page=chat] .ai-fab,body[data-page=ai] .ai-fab{display:none}
.chat-pane,.chat-list{min-height:0}.chat-msgs2{min-height:0}
body.m .chat-app{height:calc(100dvh - 140px)}

pre.code{background:#2b1d14;color:#f5c542;padding:10px;border-radius:8px;overflow:auto;font-size:13px}
.perm-list div{padding:8px 0;border-bottom:1px dashed var(--line)}
/* ứng dụng native: chừa vùng tai thỏ / thanh điều hướng */
body.native .topbar{padding-top:env(safe-area-inset-top)}
body.native.m #shell{grid-template-rows:calc(54px + env(safe-area-inset-top)) 1fr}
body.native .bottom-nav{height:calc(64px + env(safe-area-inset-bottom))}
body.native #modeBtn{display:none}

/* v3.1: bản quyền VINATA TECH, công cụ chat, hướng dẫn */
.vendor-foot{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:#1d1d1f;color:#d9d9d9;text-decoration:none}
.vendor-foot img{width:42px;height:36px;object-fit:cover;border-radius:8px;flex:none}
.vendor-foot b{display:block;color:#e8c25a;font-size:13px;letter-spacing:.5px}
.vendor-foot small{display:block;font-size:11.5px;color:#bdbdbd}
.vendor-foot.side{margin:16px 4px 8px}
.vendor-foot.login{margin-top:14px;justify-content:center}
.vendor-foot.card{justify-content:center}
.about{text-align:center}.about .kv{text-align:left;max-width:440px;margin:10px auto}
.about-logo{width:100%;max-width:520px;border-radius:12px;box-shadow:0 6px 20px rgba(0,0,0,.35)}
.chat-tools{display:flex;gap:4px;padding:6px 8px 0;background:var(--card);border-top:1px solid var(--line)}
.chat-tools+.chat-input{border-top:0}
.tool-btn{display:flex;flex-direction:column;align-items:center;font-size:20px;padding:4px 10px;border-radius:10px;cursor:pointer;color:var(--ink);margin:0;line-height:1.1}
.tool-btn span{font-size:10.5px;color:var(--muted)}
.tool-btn:hover{background:var(--bg)}
.chat-prev{display:flex;gap:8px;overflow-x:auto;padding:8px;background:var(--bg);border-top:1px solid var(--line)}
.prev-item{position:relative;flex:none}
.prev-item img,.prev-file{width:70px;height:70px;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:var(--card)}
.prev-file{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:24px}
.prev-file small{font-size:9px;max-width:66px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.prev-item button{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;border:0;background:#c62828;color:#fff;cursor:pointer;font-size:12px}
.chat-pane.drop{outline:3px dashed var(--gold);outline-offset:-8px}
.guide-toc{position:sticky;top:0;max-height:calc(100vh - 140px);overflow:auto;align-self:start}
.guide-toc a{display:block;padding:6px 4px;border-bottom:1px dashed var(--line);font-size:14px}
.guide img{max-width:100%}
.guide-fig{margin:12px 0;text-align:center}.guide-fig img{border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);max-height:520px}
.guide-fig figcaption{font-size:12.5px;color:var(--muted);margin-top:4px}
body.m .guide-toc{position:static;max-height:none}
.md blockquote{margin:10px 0;padding:8px 12px;border-left:4px solid var(--gold);background:rgba(212,160,23,.1);border-radius:6px}
.md code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:.92em}
.md li{margin:3px 0;line-height:1.6}
.secret{-webkit-text-security:disc;font-family:monospace}
.secret:focus{-webkit-text-security:none}