:root{
  --brand:#0E7C66; --brand-d:#0A5C4C; --brand-rail:#0C5446;
  --brand-soft:#DCF3EC; --brand-soft-bd:#B6E3D6;
  --ink:#1f2a28; --muted:#6b7775; --line:#e6eae8; --bg:#eef2f1; --card:#fff;
  --sent:#DCF3EC; --sent-ink:#0A4A3C; --sel:#e6f4f0; --red:#e24b4a; --amber:#BA7517;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
a{color:var(--brand-d)}

/* ===== Khung tổng (admin) — kiểu Zalo ===== */
.app-body{overflow:hidden}
.zalo-shell{display:flex;height:100vh;width:100%;background:var(--bg)}
.rail{width:74px;background:var(--brand-rail);color:#fff;display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:4px;flex:0 0 74px}
.rail-logo{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--brand-d);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:8px}
.rail-btn{width:62px;border:none;background:transparent;color:#cfe8e0;border-radius:10px;padding:9px 0;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px}
.rail-btn .ri{font-size:20px;line-height:1}
.rail-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.rail-btn.active{background:rgba(255,255,255,.18);color:#fff}
.rail-sp{flex:1}
.rail-user{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;margin-bottom:4px}
.main{flex:1;min-width:0;display:flex}
.view-inbox{display:flex;flex:1;min-width:0;height:100vh}
.view-scroll{flex:1;overflow:auto;height:100vh;padding:20px 24px}
.view-scroll .scroll-inner{max-width:920px;margin:0 auto}

/* ===== Hộp thư 3 cột ===== */
.col-list{width:340px;flex:0 0 340px;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.col-chat{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
.col-info{width:300px;flex:0 0 300px;background:var(--card);border-left:1px solid var(--line);overflow:auto}
@media(max-width:980px){.col-info{display:none}}
@media(max-width:740px){.col-list{width:240px;flex-basis:240px}}

.list-head{padding:12px 14px;border-bottom:1px solid var(--line)}
.list-title{font-weight:600;font-size:16px;margin-bottom:10px}
.search-wrap{display:flex;gap:6px}
.search-wrap input{flex:1;min-width:0;padding:8px 12px;border:1px solid var(--line);border-radius:20px;background:#f3f6f5}
.search-wrap button{border:1px solid var(--line);background:#f3f6f5;border-radius:20px;padding:0 12px;font-size:13px;color:var(--muted)}
.list-tabs{display:flex;gap:16px;padding:8px 16px 0;border-bottom:1px solid var(--line)}
.list-tabs button{border:none;background:transparent;padding:8px 2px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent}
.list-tabs button.active{color:var(--brand-d);border-bottom-color:var(--brand);font-weight:500}
.conv-list{flex:1;overflow:auto;min-height:0}
.conv{display:flex;gap:11px;padding:11px 14px;cursor:pointer;align-items:center;border-bottom:1px solid #f1f4f3}
.conv:hover{background:#f6f9f8}
.conv.active{background:var(--sel)}
.conv .av{width:46px;height:46px;border-radius:50%;flex:0 0 46px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:16px}
.conv .mid{flex:1;min-width:0}
.conv .row1{display:flex;align-items:center;gap:6px}
.conv .who{font-weight:600;font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .row1 .time{margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap}
.conv .last{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{font-size:11px;padding:1px 7px;border-radius:999px;color:#fff;display:inline-block}
.badge-new{background:var(--red);color:#fff;font-size:10px;padding:0 6px;border-radius:999px;margin-left:auto}
.status-pill{font-size:11px;padding:1px 8px;border-radius:999px}
.status-closed{background:#e3f1ea;color:var(--brand-d);border:1px solid var(--brand-soft-bd)}

/* ===== Khung chat ===== */
.chat-head{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line);min-height:60px}
.chat-head .av{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}
.chat-head .nm{font-weight:600}
.chat-head .sub{font-size:12px;color:var(--muted)}
.chat-body{flex:1;overflow:auto;min-height:0;padding:16px 18px;display:flex;flex-direction:column;gap:8px;background:linear-gradient(180deg,#eef3f1,#eaf1ee)}
.sysline{align-self:center;font-size:12px;color:var(--muted);background:#dfe8e5;padding:3px 12px;border-radius:999px;margin:4px 0}
.msg{position:relative;max-width:64%;padding:8px 12px;border-radius:14px;font-size:14.5px;word-wrap:break-word;box-shadow:0 1px 1px rgba(0,0,0,.05)}
.msg .meta{display:block;font-size:11px;opacity:.65;margin-top:3px}
.msg.them{align-self:flex-start;background:var(--recv,#fff);color:var(--ink);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:var(--sent);color:var(--sent-ink);border-bottom-right-radius:4px}
.recall-btn{position:absolute;top:-8px;right:-8px;width:18px;height:18px;border-radius:50%;border:1px solid #d9dddb;background:#fff;color:var(--red);font-size:10px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;padding:0}
.msg:hover .recall-btn{display:flex}

.qr-bar{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;border-top:1px solid var(--line);background:var(--card)}
.qr-chip{border:1px solid var(--brand-soft-bd);background:var(--brand-soft);border-radius:999px;padding:5px 11px;font-size:12.5px;color:var(--brand-d);cursor:pointer;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qr-chip:hover{filter:brightness(.97)}
.composer{background:var(--card);border-top:1px solid var(--line)}
.composer-tools{display:flex;gap:4px;padding:6px 10px 0}
.composer-tools .tool{width:34px;height:30px;border:none;background:transparent;border-radius:8px;font-size:17px;color:var(--muted);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.composer-tools .tool:hover{background:#eef3f1;color:var(--brand-d)}
.composer-tools .tool input{position:absolute;inset:0;opacity:0;cursor:pointer}
.composer-row{display:flex;gap:8px;padding:6px 12px 12px;align-items:center}
.composer-row input{flex:1;min-width:0;padding:10px 14px;border:1px solid var(--line);border-radius:22px;background:#f3f6f5}
.composer-row .send{border:none;background:var(--brand);color:#fff;border-radius:50%;width:40px;height:40px;font-size:16px;flex:0 0 40px}
.composer-row .send:hover{background:var(--brand-d)}

/* ===== Panel thông tin ===== */
.info-top{padding:20px 16px;text-align:center;border-bottom:1px solid var(--line)}
.info-top .av{width:64px;height:64px;border-radius:50%;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:22px}
.info-top .nm{font-weight:600;font-size:16px}
.info-sec{padding:14px 16px;border-bottom:1px solid var(--line)}
.info-sec h4{margin:0 0 8px;font-size:13px;color:var(--muted);font-weight:600;text-transform:none}
.info-sec textarea,.info-sec input{width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:13px;margin-bottom:8px}
.btn-block{display:block;width:100%;padding:9px;border:none;border-radius:9px;font-size:14px;font-weight:500;background:var(--brand);color:#fff}
.btn-block.ghost{background:#eef3f1;color:var(--brand-d);border:1px solid var(--brand-soft-bd)}

/* ===== Nút chung ===== */
.btn-mini{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 11px;font-size:13px;cursor:pointer}
.btn-mini.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-mini.danger{color:#b3261e;border-color:#e7b4ae}
.muted{color:var(--muted);font-size:13px}
.empty{padding:40px 16px;text-align:center;color:var(--muted)}

/* ===== Bảng điều khiển / Cài đặt ===== */
.page-title{font-size:20px;font-weight:600;margin:0 0 16px}
.agent-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.agent-toolbar select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat-card .num{font-size:26px;font-weight:700;color:var(--brand-d)}
.stat-card .lbl{font-size:13px;color:var(--muted);margin-top:2px}
.section-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.section-card h3{margin:0 0 10px;font-size:16px}
.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th,.data-table td{border-bottom:1px solid var(--line);padding:8px;text-align:left}
.data-table th{color:var(--muted);font-weight:500;font-size:13px}
.qr-manage-item{display:flex;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.qr-manage-item input{flex:1}
.media-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--line)}
.setting-row{margin-bottom:16px}
.setting-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.setting-row input[type=text],.setting-row textarea,.setting-row select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px}
label.btn-mini{display:inline-flex;align-items:center}

/* ===== Trang khách / widget (single pane) ===== */
.appbar{display:flex;align-items:center;gap:12px;padding:11px 18px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;flex-wrap:wrap}
.appbar .logo{font-weight:700;color:var(--brand-d)}
.appbar .sp{margin-left:auto}
.appbar .who{font-size:13px;color:var(--muted)}
.appbar .btn-ghost{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--muted)}
.container{max-width:560px;margin:0 auto;padding:18px 16px 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.cust-shell{max-width:460px;margin:22px auto}
.panel-head{background:var(--brand);color:#fff;padding:14px 16px;border-radius:var(--radius) var(--radius) 0 0;display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.panel-body{padding:18px 16px}
.field-label{font-size:13px;color:var(--muted);margin:0 0 6px}
.ti-input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:12px}
.btn{display:block;width:100%;padding:11px;border:none;border-radius:10px;background:var(--brand);color:#fff;font-size:15px;font-weight:500}
.btn.secondary{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.hintbox{background:#fff7e6;border:1px solid #f0d9a8;color:#7a5b13;font-size:13px;padding:8px 10px;border-radius:8px;margin-bottom:12px}
.err{color:#b3261e;font-size:13px;margin-bottom:10px}
.brand-list{display:flex;flex-direction:column;gap:10px}
.brand-item{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);border-radius:10px;background:var(--card);width:100%;text-align:left}
.brand-item:hover{border-color:var(--brand)}
.brand-dot{width:40px;height:40px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}
.brand-name{font-weight:500}
.msgs{padding:14px;display:flex;flex-direction:column;gap:8px;min-height:320px;max-height:62vh;overflow:auto;background:linear-gradient(180deg,#eef3f1,#eaf1ee)}
.backbtn{background:transparent;border:none;color:#fff;font-size:20px;line-height:1;padding:0 4px}
/* composer cho khách (đơn giản) */
.cust-shell .composer,.card>.composer{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--card)}
.cust-shell .composer input,.card>.composer input{flex:1;min-width:0;padding:10px 14px;border:1px solid var(--line);border-radius:22px;background:#f3f6f5}
.cust-shell .composer button#sendBtn,.card>.composer button#sendBtn{border:none;background:var(--brand);color:#fff;border-radius:22px;padding:0 18px;font-weight:500}
.attach{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:22px;padding:0 12px;font-size:18px;cursor:pointer;display:flex;align-items:center;position:relative;overflow:hidden}
.attach input{position:absolute;inset:0;opacity:0;cursor:pointer}

/* khung chat của khách (single) — đồng bộ kiểu Zalo */
.chat-screen{max-width:600px;margin:0 auto;height:calc(100vh - 120px);min-height:430px;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.chat-head .backbtn{background:transparent;border:none;color:var(--brand-d);font-size:22px;line-height:1;padding:0 4px;cursor:pointer}

/* v4: cảm xúc, ghim, nội bộ, đang soạn, đã xem */
.msg.internal{background:#fff7e0 !important;border:1px dashed #e0c060;color:#6b5310 !important}
.msg.pinned{box-shadow:0 0 0 2px var(--brand-soft-bd)}
.pin-flag{font-size:11px;margin-right:4px}
.rx{display:block;font-size:13px;margin-top:3px}
.rx:empty{display:none}
.msg-tools{position:absolute;top:-15px;display:none;gap:1px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:1px 3px;box-shadow:0 2px 6px rgba(0,0,0,.12);z-index:3}
.msg.me .msg-tools{right:0}
.msg.them .msg-tools{left:0}
.msg:hover .msg-tools{display:flex}
.msg-tools button{border:none;background:transparent;font-size:15px;line-height:1;padding:2px 3px;cursor:pointer;border-radius:8px}
.msg-tools button:hover{background:#eef3f1}
.pin-bar{display:none;align-items:center;gap:8px;padding:7px 14px;background:#fff7e0;border-bottom:1px solid #ecdca0;font-size:13px}
.pin-bar .pin-txt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#6b5310}
.pin-bar .pin-x{border:none;background:transparent;color:var(--brand-d);font-size:12px;cursor:pointer}
.seen-label{align-self:flex-end;font-size:11px;color:var(--muted);margin:-4px 2px 0}
.typing-ind{display:none;font-size:12px;color:var(--muted);padding:2px 16px;font-style:italic;background:var(--card)}

/* v4 admin: toggle nội bộ, hàng item, kênh */
.composer-tools .tool.active{background:#fff7e0;color:#8a6d10}
.row-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--line);font-size:13px}
.row-item span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ch-name{display:block;font-size:11px;color:var(--brand-d);font-weight:500}

/* v5: cộng đồng (khách) */
.home-tabs{display:flex;gap:6px;margin-bottom:12px}
.home-tabs button{flex:1;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px;font-size:14px;color:var(--muted)}
.home-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.com-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px}
.com-item .cdot{width:42px;height:42px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}
.post-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.post-card .lk{border:none;background:#eef3f1;border-radius:8px;padding:4px 10px;cursor:pointer;color:var(--brand-d)}
.feed-body{padding:14px;overflow:auto;background:linear-gradient(180deg,#eef3f1,#eaf1ee)}

/* v6: nhóm chat - trích dẫn trả lời */
.reply-q{border-left:3px solid var(--brand);background:rgba(0,0,0,.04);padding:3px 8px;border-radius:4px;font-size:12.5px;opacity:.85;margin-bottom:4px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.msg.me .reply-q{border-left-color:#fff}

/* === Tăng tương phản khung chat với nền ngoài (fix "lẫn vào nhau") === */
:root{ --bg:#e6ebe9; }
.chat-body, .msgs, .feed-body{ background:#f6f9f8 !important; }
.col-chat{ background:#f6f9f8; }
.card{ box-shadow:0 1px 5px rgba(20,45,35,.09); }
.col-list, .col-info{ box-shadow:0 0 0 1px rgba(0,0,0,.01); }
.msg.them{ background:#ffffff; border:1px solid #e3e8e6; box-shadow:0 1px 1px rgba(0,0,0,.04); }
.msg.me{ background:#d6efe4; }
.chat-head{ box-shadow:0 1px 0 rgba(0,0,0,.03); }

/* === Nút trả lời ở cạnh tin + bố cục 2 cột === */
.reply-side{position:absolute;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);display:none;align-items:center;justify-content:center;cursor:pointer;font-size:14px;box-shadow:0 1px 3px rgba(0,0,0,.14);z-index:2}
.msg.them .reply-side{right:-34px}
.msg.me .reply-side{left:-34px}
.msg:hover .reply-side{display:flex}
.chat-2col{display:flex;height:calc(100vh - 57px)}
.chat-2col .col-chat{border-right:0}
.community-detail{flex:1;display:flex;height:100vh;min-width:0}
.fullwide{max-width:none;margin:0;padding:0}

/* === Cột sản phẩm bên trái chat khách === */
.col-products{width:280px;flex:0 0 280px;background:var(--card);border-right:1px solid var(--line);overflow:auto;padding:12px}
.col-products .ph{font-weight:600;font-size:14px;margin:0 0 10px;color:var(--ink)}
.prod-card{border:1px solid var(--line);border-radius:10px;padding:8px;margin-bottom:10px;cursor:pointer;background:#fff}
.prod-card:hover{border-color:var(--brand);box-shadow:0 1px 4px rgba(20,45,35,.08)}
.prod-card img{width:100%;height:120px;object-fit:cover;border-radius:8px;background:#eef2f1;display:block}
.prod-card .pn{font-weight:500;margin-top:6px}
.prod-card .pp{color:var(--brand-d);font-weight:600;font-size:14px}
.prod-card .pd{color:var(--muted);font-size:12.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.prod-modal .box{background:#fff;border-radius:14px;max-width:420px;width:100%;max-height:88vh;overflow:auto}
.prod-modal img{width:100%;max-height:300px;object-fit:contain;background:#eef2f1;border-radius:14px 14px 0 0;display:block}
.prod-modal .bd{padding:16px}
.prod-modal .px{float:right;border:none;background:#eef2f1;border-radius:8px;padding:4px 10px;cursor:pointer}
@media(max-width:760px){.col-products{display:none}}

/* === Avatar cạnh tin + cụm thao tác + menu thêm (kiểu Zalo) === */
.msg.them{margin-left:38px}
.msg-avatar{position:absolute;left:-36px;bottom:0;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:600}
.msg-actions{position:absolute;top:-14px;display:none;gap:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1px 4px;box-shadow:0 2px 8px rgba(0,0,0,.14);z-index:3}
.msg.me .msg-actions{right:0}
.msg.them .msg-actions{left:0}
.msg:hover .msg-actions{display:flex}
.msg-actions button{border:none;background:transparent;font-size:14px;line-height:1;padding:4px 5px;cursor:pointer;border-radius:8px}
.msg-actions button:hover{background:#eef3f1}
.msg-menu{position:absolute;top:16px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.18);z-index:6;min-width:170px;display:none;overflow:hidden}
.msg.me .msg-menu{right:0}
.msg.them .msg-menu{left:0}
.msg-menu.open{display:block}
.msg-menu .emoji-row{display:flex;gap:2px;padding:6px 8px;border-bottom:1px solid var(--line);justify-content:space-between}
.msg-menu .emoji-row button{border:none;background:transparent;font-size:19px;cursor:pointer;padding:2px 4px;border-radius:6px}
.msg-menu .emoji-row button:hover{background:#eef3f1}
.msg-menu .mi{display:block;width:100%;text-align:left;border:none;background:transparent;padding:8px 12px;font-size:13.5px;cursor:pointer;color:var(--ink)}
.msg-menu .mi:hover{background:#eef3f1}
.msg-menu .mi.danger{color:#b3261e}


/* === v9: tin nhắn nhanh — kéo-thả + nhãn ngắn + màu === */
.qr-mgr-list{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.qr-manage-item{display:flex;gap:8px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:background .15s,border-color .15s}
.qr-manage-item.dragging{opacity:.55;background:#f3f8f6}
.qr-manage-item.drag-over{border-color:var(--brand);background:#eef9f4;box-shadow:inset 0 2px 0 var(--brand)}
.qr-drag{flex:0 0 18px;cursor:grab;color:#aab2af;font-size:18px;line-height:1;user-select:none;text-align:center}
.qr-drag:active{cursor:grabbing}
.qr-swatch{flex:0 0 18px;width:18px;height:18px;border-radius:50%;border:1px solid #d0d8d4;cursor:pointer;background:#fff;display:inline-block;vertical-align:middle}
.qr-swatch:focus{outline:2px solid var(--brand-soft-bd);outline-offset:1px}
.qr-swatch.qr-c-none{background:repeating-linear-gradient(135deg,#fff,#fff 4px,#eef2f1 4px,#eef2f1 8px)}
.qr-swatch.qr-c-teal{background:#1D9E75;border-color:#0F6E56}
.qr-swatch.qr-c-emerald{background:#0E7C66;border-color:#0A5C4C}
.qr-swatch.qr-c-amber{background:#EF9F27;border-color:#BA7517}
.qr-swatch.qr-c-rose{background:#D4537E;border-color:#993556}
.qr-swatch.qr-c-sky{background:#378ADD;border-color:#185FA5}
.qr-swatch.qr-c-violet{background:#7F77DD;border-color:#534AB7}
.qr-swatch.qr-c-slate{background:#888780;border-color:#5F5E5A}
.qr-manage-item .qr-label{flex:0 0 150px;min-width:90px;padding:7px 9px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.qr-manage-item .qr-text{flex:1;min-width:120px;padding:7px 9px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.qr-brand-tag,.qr-media-tag{font-size:11px;padding:2px 7px;border-radius:999px;background:#eef3f1;color:var(--brand-d);border:1px solid var(--brand-soft-bd);white-space:nowrap}
.qr-media-tag{background:#fff7e0;color:#8a6d10;border-color:#ecdca0}
.qr-add-row{border-top:1px dashed var(--line);padding-top:12px}
.qr-add-grid{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.qr-add-grid #newQrLabel{flex:1 1 180px;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}
.qr-add-grid #addQr{white-space:nowrap;flex:0 0 auto;padding:9px 16px}
.qr-add-grid2{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.qr-add-grid2 select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;flex:1 1 160px;min-width:0}

/* Chip màu trong khung chat */
.qr-chip.qr-c-teal{background:#E1F5EE;color:#085041;border-color:#9FE1CB}
.qr-chip.qr-c-emerald{background:#DCF3EC;color:#0A4A3C;border-color:#B6E3D6}
.qr-chip.qr-c-amber{background:#FAEEDA;color:#633806;border-color:#FAC775}
.qr-chip.qr-c-rose{background:#FBEAF0;color:#72243E;border-color:#F4C0D1}
.qr-chip.qr-c-sky{background:#E6F1FB;color:#0C447C;border-color:#B5D4F4}
.qr-chip.qr-c-violet{background:#EEEDFE;color:#3C3489;border-color:#CECBF6}
.qr-chip.qr-c-slate{background:#F1EFE8;color:#444441;border-color:#D3D1C7}


/* ===========================================================
   MOBILE — giao diện điện thoại chuẩn
   =========================================================== */

/* mặc định: ẩn nút back & nút sản phẩm chỉ-mobile trên desktop */
.chat-back{display:none;align-items:center;justify-content:center;background:transparent;border:none;color:var(--brand-d);font-size:22px;padding:0 6px 0 0;cursor:pointer;flex:0 0 auto}
.prod-mobile-btn{display:none}

@media (max-width:640px){
  body{font-size:14.5px}
  .appbar{padding:9px 12px;flex-wrap:wrap;gap:8px}
  .appbar .who{font-size:12px}
  .container{padding:12px 12px 24px}
  .cust-shell{margin:10px auto;max-width:100%;padding:0 10px}
  .panel-head{border-radius:0;padding:12px 14px}
  .card{border-radius:10px}

  /* ===== Vỏ admin: rail trở thành thanh dưới (bottom nav) ===== */
  .zalo-shell{flex-direction:column;height:100dvh}
  .main{order:1;flex:1 1 auto;min-height:0;overflow:hidden;display:flex}
  .rail{
    order:2;width:100%;height:58px;flex:0 0 58px;
    flex-direction:row;padding:0;gap:0;border-top:1px solid rgba(255,255,255,.22);
    position:sticky;bottom:0;z-index:50;background:var(--brand-rail)
  }
  .rail-logo,.rail-sp,.rail-user,#railLogout{display:none}
  .rail-btn{flex:1;width:auto;border-radius:0;padding:6px 0;font-size:10.5px;color:#cfe8e0}
  .rail-btn .ri{font-size:20px}
  .rail-btn.active{background:rgba(255,255,255,.18);color:#fff;box-shadow:inset 0 2px 0 #fff}

  /* ===== Hộp thư: 1 cột — danh sách ↔ chat — theo data-mpane ===== */
  .view-inbox{flex-direction:column;height:100%;flex:1;min-height:0}
  .col-list{width:100%!important;flex-basis:auto;flex:1 1 auto;height:auto;min-height:0;border-right:0;border-bottom:1px solid var(--line)}
  .col-chat{flex:1 1 auto;min-height:0;height:auto;display:none}
  .col-info{display:none!important}
  body[data-mpane="chat"] .col-list{display:none}
  body[data-mpane="chat"] .col-chat{display:flex}
  .chat-back{display:inline-flex}

  .list-head{padding:10px 12px}
  .list-tabs{padding:6px 12px 0}
  .conv{padding:10px 12px}
  .conv .av{width:42px;height:42px;flex-basis:42px}

  /* ===== Khung chat ===== */
  .chat-head{padding:8px 10px;min-height:52px}
  .chat-head .av{width:36px;height:36px;font-size:14px}
  .chat-head .nm{font-size:15px}
  .chat-head .sub{font-size:11px}
  .chat-body,.msgs,.feed-body{padding:12px 10px}
  .msg{max-width:82%;font-size:14.5px}
  .msg.them{margin-left:34px}
  .msg-avatar{left:-32px;width:24px;height:24px;font-size:10px}
  .qr-bar{padding:7px 8px;gap:6px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .qr-chip{flex:0 0 auto;max-width:none;font-size:12.5px;padding:6px 11px}
  .composer-tools{padding:5px 8px 0}
  .composer-row{padding:6px 10px 10px}
  .composer-row input{padding:11px 14px;font-size:15px}
  .composer-row .send{width:42px;height:42px;flex-basis:42px;font-size:17px}

  /* nút thao tác cạnh tin nhắn: giữ kích thước chạm tay tốt */
  .reply-side{display:none!important} /* tránh đè khi màn hẹp; menu "more" đã có nút reply */
  .msg-actions{padding:2px 5px}
  .msg-actions button{padding:5px 6px;font-size:15px}

  /* ===== Cài đặt (view-scroll) ===== */
  .view-scroll{padding:12px 12px 90px;height:100%}
  .view-scroll .scroll-inner{max-width:100%}
  .section-card{padding:14px;border-radius:10px;margin-bottom:12px}
  .page-title{font-size:18px;margin-bottom:12px}
  .section-card h3{font-size:15px}

  /* ===== Tin nhắn nhanh — manager (mobile) ===== */
  .qr-manage-item,.qr-card{padding:10px}
  .qr-row1{flex-wrap:wrap;gap:6px;align-items:center}
  .qr-row1 .qr-drag{flex:0 0 22px;font-size:20px}
  .qr-row1 .qr-swatch{flex:0 0 18px}
  .qr-row1 .qr-label{flex:1 1 100%;min-width:0}
  .qr-row2{padding-left:0}
  .qr-row3 .btn-mini{padding:9px 18px;min-width:70px;font-size:14px}
  .qr-add-grid #addQr{flex:1 1 100%;padding:11px 16px;font-size:14px}
  .qr-add-grid2{gap:6px}
  .qr-add-grid2 select{flex:1 1 100%;min-width:0}

  /* ===== Trang khách: gộp 3 cột → 1 cột ===== */
  .col-products{display:none}
  .chat-2col{display:flex;flex-direction:column;height:100dvh}
  .chat-2col .col-chat{flex:1;min-height:0;display:flex}
  .chat-screen{height:100dvh;min-height:0;border-radius:0;border:0;max-width:100%}
  .community-detail{flex-direction:column;height:100dvh}

  /* Customer home */
  .brand-list{gap:8px}
  .brand-item{padding:11px}
  .brand-dot{width:38px;height:38px}
  .home-tabs button{padding:9px;font-size:14px}
  .com-item{padding:10px}
  .com-item .cdot{width:38px;height:38px}

  /* Modal sản phẩm full màn hình trên mobile */
  .prod-modal{padding:0;align-items:flex-end}
  .prod-modal .box{max-height:92dvh;border-radius:14px 14px 0 0}

  /* Panel thông tin: vẫn ẩn; có thể bật từ chat-head nếu cần (đặt dấu •) */
  .col-info.is-open{
    display:block!important;position:fixed;inset:0;background:#fff;z-index:60;overflow:auto;
    box-shadow:0 0 0 9999px rgba(0,0,0,.35)
  }

  /* Settings cho các bảng quản trị: cho phép cuộn ngang khi nhiều cột */
  .data-table{display:block;overflow-x:auto;white-space:nowrap}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .stat-card{padding:12px}
  .stat-card .num{font-size:22px}

  /* widget khi nhúng (kích thước nhỏ) */
  body.widget-embed .appbar{display:none}
}

/* Rất nhỏ — iPhone SE và cũ */
@media (max-width:380px){
  .msg{max-width:88%}
  .rail-btn{font-size:10px}
  .rail-btn .ri{font-size:18px}
  .chat-head .nm{font-size:14px}
  .qr-add-grid{grid-template-columns:24px 1fr}
}

/* === Tránh "100vh" bị che bởi thanh trình duyệt ở iOS === */
@supports (height: 100dvh){
  .chat-screen,.chat-2col,.community-detail,.zalo-shell{height:100dvh}
}


/* === v10: Rich-text editor + composer + QR card layout === */
.rich-editor{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:visible}
.rich-tb{display:flex;gap:1px;padding:4px 6px;background:#f3f6f5;border-bottom:1px solid var(--line);flex-wrap:wrap;border-radius:10px 10px 0 0}
.rich-btn{border:none;background:transparent;width:28px;height:26px;border-radius:6px;font-size:13.5px;line-height:1;cursor:pointer;color:var(--ink);display:flex;align-items:center;justify-content:center;padding:0}
.rich-btn:hover{background:#e3eae8}
.rich-area{padding:9px 11px;min-height:48px;outline:none;font-size:14.5px;line-height:1.5;word-wrap:break-word}
.rich-area:focus{background:#fff}
.rich-area:empty::before{content:attr(data-placeholder);color:#9aa3a0;pointer-events:none}
.rich-pop{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.18);padding:8px;display:flex;gap:6px;flex-wrap:wrap;max-width:240px;z-index:1000}
.rich-swatch{width:24px;height:24px;border-radius:50%;border:1px solid #d0d8d4;cursor:pointer;padding:0}
.rich-sizebtn{border:1px solid var(--line);background:#fff;border-radius:7px;padding:4px 9px;cursor:pointer;min-width:64px;color:var(--ink);font-family:inherit}
.rich-sizebtn:hover{background:#eef3f1}
.rich-emoji{border:none;background:transparent;font-size:20px;cursor:pointer;padding:3px 5px;border-radius:6px;line-height:1}
.rich-emoji:hover{background:#eef3f1}

.rich-editor.rich-compact .rich-tb{padding:2px 4px;border-radius:8px 8px 0 0}
.rich-editor.rich-compact .rich-btn{width:24px;height:22px;font-size:12px}
.rich-editor.rich-compact .rich-area{min-height:32px;font-size:13.5px;padding:7px 9px}

/* Composer mới dùng editor */
.composer-rich-row{display:flex;gap:8px;padding:6px 12px 12px;align-items:flex-end}
.composer-rich-host{flex:1;min-width:0}
.composer-rich-host .rich-editor{border-radius:18px}
.composer-rich-host .rich-tb{border-radius:18px 18px 0 0;background:#f3f6f5}
.composer-rich-host .rich-area{background:#f3f6f5;min-height:38px;padding:8px 14px;border-radius:0 0 18px 18px}
.composer-rich-row .send{flex:0 0 40px;border:none;background:var(--brand);color:#fff;border-radius:50%;width:40px;height:40px;font-size:16px}
.composer-rich-row .send:hover{background:var(--brand-d)}

/* QR thẻ 3 hàng — controls / editor / actions */
.qr-card{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.qr-card.dragging{opacity:.55;background:#f3f8f6}
.qr-card.drag-over{border-color:var(--brand);background:#eef9f4;box-shadow:inset 0 2px 0 var(--brand)}
.qr-row1{display:flex;gap:8px;align-items:center}
.qr-row2{padding-left:4px}
.qr-row3{display:flex;justify-content:flex-end;gap:8px;padding-top:2px}
.qr-row3 .btn-mini{padding:7px 16px;min-width:64px}
.qr-row1 .qr-label{flex:1;min-width:90px;padding:7px 9px;border:1px solid var(--line);border-radius:8px;font-size:13px}

/* Hiển thị HTML đã format trong bubble */
.msg .rich-body{display:block;white-space:normal;word-wrap:break-word}
.msg .rich-body p,.msg .rich-body div{margin:0 0 4px}
.msg .rich-body p:last-child,.msg .rich-body div:last-child{margin-bottom:0}
.msg .rich-body ul,.msg .rich-body ol{margin:4px 0 4px 22px;padding:0}
.msg .rich-body span[style*="font-size"]{line-height:1.3}

/* Mobile tinh chỉnh editor */
@media (max-width:640px){
  .rich-btn{width:30px;height:30px;font-size:13px}
  .rich-area{font-size:14.5px}
  .composer-rich-row{padding:6px 10px 10px}
  .composer-rich-host .rich-area{font-size:15px;min-height:40px}
}


/* === MOBILE: chat chuẩn Zalo — ẩn appbar/banner, composer dính đáy, tin nhắn dồn đáy === */
html,body{overflow-x:hidden;max-width:100vw}

@media (max-width:640px){
  body:has(#app.fullwide){
    margin:0;
    height:100dvh;
    display:flex;
    flex-direction:column;
    overflow:hidden;
  }
  /* Khi đang chat trên mobile: ẩn appbar và top-banner để toàn màn dành cho chat */
  body:has(#app.fullwide) .appbar{display:none}
  body:has(#app.fullwide) #topBanner{display:none}

  body:has(#app.fullwide) #app{flex:1 1 auto;min-height:0;overflow:hidden;display:flex;flex-direction:column}
  body:has(#app.fullwide) .chat-2col{height:100%!important;max-height:100%!important;flex:1 1 auto;min-height:0;flex-direction:column}
  body:has(#app.fullwide) .chat-2col .col-chat{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
  body:has(#app.fullwide) .chat-screen{height:100%!important;max-height:100%!important;min-height:0!important;border:0;border-radius:0;flex:1 1 auto;display:flex;flex-direction:column}
  body:has(#app.fullwide) .community-detail{height:100%!important;flex:1 1 auto;min-height:0;display:flex;flex-direction:column}

  body:has(#app.fullwide) .chat-head{flex:0 0 auto}
  body:has(#app.fullwide) .pin-bar{flex:0 0 auto}
  body:has(#app.fullwide) .typing-ind{flex:0 0 auto}
  body:has(#app.fullwide) .qr-bar{flex:0 0 auto}

  /* Khung tin nhắn: dồn xuống đáy, chỉ cuộn nội bộ */
  body:has(#app.fullwide) .chat-body,
  body:has(#app.fullwide) .msgs,
  body:has(#app.fullwide) .feed-body{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto;
    overflow-x:hidden;
    justify-content:flex-end;
    -webkit-overflow-scrolling:touch;
  }

  /* Composer bám đáy + safe-area cho iOS có notch dưới */
  body:has(#app.fullwide) .composer{
    flex:0 0 auto;
    padding-bottom:env(safe-area-inset-bottom, 0);
  }
}


/* === QR popup (kiểu Zalo): bấm ⚡ trong composer mở picker chọn câu nhanh === */
.qr-popup{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.18);padding:8px;width:320px;max-width:calc(100vw - 16px);max-height:60vh;overflow:auto;z-index:1000;display:flex;flex-direction:column;gap:4px}
.qr-pop-head{font-size:12px;color:var(--muted);padding:4px 6px 6px;font-weight:500;border-bottom:1px solid var(--line);margin-bottom:4px}
.qr-pop-item{display:flex;flex-direction:column;align-items:flex-start;text-align:left;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;cursor:pointer;width:100%;gap:2px}
.qr-pop-item:hover{background:#f3f6f5;border-color:var(--brand-soft-bd)}
.qr-pop-item .qr-pop-lbl{font-weight:600;font-size:13.5px;color:var(--ink);width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qr-pop-item .qr-pop-preview{font-size:12px;color:var(--muted);width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qr-pop-empty{color:var(--muted);font-size:13px;padding:14px 10px;text-align:center;line-height:1.5}
.qr-pop-item.qr-c-teal{background:#E1F5EE;border-color:#9FE1CB}
.qr-pop-item.qr-c-teal .qr-pop-lbl{color:#085041}
.qr-pop-item.qr-c-emerald{background:#DCF3EC;border-color:#B6E3D6}
.qr-pop-item.qr-c-emerald .qr-pop-lbl{color:#0A4A3C}
.qr-pop-item.qr-c-amber{background:#FAEEDA;border-color:#FAC775}
.qr-pop-item.qr-c-amber .qr-pop-lbl{color:#633806}
.qr-pop-item.qr-c-rose{background:#FBEAF0;border-color:#F4C0D1}
.qr-pop-item.qr-c-rose .qr-pop-lbl{color:#72243E}
.qr-pop-item.qr-c-sky{background:#E6F1FB;border-color:#B5D4F4}
.qr-pop-item.qr-c-sky .qr-pop-lbl{color:#0C447C}
.qr-pop-item.qr-c-violet{background:#EEEDFE;border-color:#CECBF6}
.qr-pop-item.qr-c-violet .qr-pop-lbl{color:#3C3489}
.qr-pop-item.qr-c-slate{background:#F1EFE8;border-color:#D3D1C7}
.qr-pop-item.qr-c-slate .qr-pop-lbl{color:#444441}
@media (max-width:640px){
  .qr-popup{width:calc(100vw - 16px);max-height:50vh}
  .qr-pop-item{padding:10px 12px}
  .qr-pop-item .qr-pop-lbl{font-size:14.5px}
}


/* === Tuỳ chọn cá nhân: ẩn thanh công cụ soạn thảo trong KHUNG GÕ chat khi user tắt
   (Tin nhắn nhanh trong Cài đặt vẫn giữ thanh công cụ vì cần format) === */
body.rich-no-toolbar .composer-rich-host .rich-tb{display:none}
body.rich-no-toolbar .composer-rich-host .rich-editor{border-radius:18px}
body.rich-no-toolbar .composer-rich-host .rich-area{border-radius:18px}


/* === Thông báo trên cùng trang khách === */
.top-banner{display:flex;align-items:center;gap:10px;padding:8px 14px;background:#fff7e0;border-bottom:1px solid #ecdca0;color:#6b5310;font-size:13px;line-height:1.4;flex:0 0 auto;position:relative;z-index:25}
.top-banner .tb-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.top-banner .tb-text a{color:var(--brand-d);text-decoration:underline;font-weight:500}
.top-banner .tb-close{border:none;background:transparent;color:#6b5310;font-size:20px;line-height:1;cursor:pointer;padding:0 4px;flex:0 0 auto}
.top-banner .tb-close:hover{opacity:.7}

/* Khi banner hiện, lock viewport vẫn ổn — banner cũng là flex item của body */
body:has(#app.fullwide) .top-banner{flex:0 0 auto}

@media (max-width:640px){
  .top-banner{font-size:12.5px;padding:7px 10px;gap:8px}
  .top-banner .tb-text{white-space:nowrap}
}


/* ============================================================
   DARK MODE — kích hoạt khi body.theme-dark, hoặc theme-auto + OS dark
   ============================================================ */

/* Smooth transition khi đổi theme */
body, .card, .section-card, .panel-head, .chat-head, .composer, .rich-editor, .rich-area,
.qr-card, .qr-popup, .conv, .brand-item, .top-banner, .col-list, .col-info, .col-chat,
.col-products, .prod-card, .modal, .info-sec, .stat-card, .data-table, input, select, textarea, button {
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}

body.theme-dark {
  --brand:#34d399; --brand-d:#10b981; --brand-rail:#0c3a2c;
  --brand-soft:#0e3b30; --brand-soft-bd:#155e4a;
  --ink:#e6efed; --muted:#8a958f; --line:#2a3331; --bg:#0e1411; --card:#152019;
  --sent:#0e5e4b; --sent-ink:#d6f0e2; --sel:#1a2e25; --red:#f87171; --amber:#fbbf24;
}

body.theme-dark{background:var(--bg)}
body.theme-dark a{color:var(--brand)}

/* Surfaces */
body.theme-dark .chat-body,
body.theme-dark .msgs,
body.theme-dark .feed-body { background:#101814 !important; }
body.theme-dark .col-chat { background:#101814; }
body.theme-dark .msg.them { background:#1e2a25; border-color:#2a3a33; color:var(--ink); }
body.theme-dark .msg.me { background:var(--sent); color:var(--sent-ink); }
body.theme-dark .msg.internal { background:#3d3520 !important; border-color:#5a4d28; color:#f5e4b8 !important; }

/* Composer */
body.theme-dark .composer-row input,
body.theme-dark .composer-rich-host .rich-area,
body.theme-dark .composer-rich-host .rich-tb { background:#1c2823; color:var(--ink); }
body.theme-dark .composer-tools .tool:hover { background:#1e2e27; color:var(--brand); }
body.theme-dark .composer-tools .tool.active { background:#3d3520; color:#fbbf24; }

/* Inputs / form */
body.theme-dark input, body.theme-dark select, body.theme-dark textarea {
  background:#1c2823; color:var(--ink); border-color:var(--line);
}
body.theme-dark input::placeholder, body.theme-dark textarea::placeholder { color:#6b7775; }
body.theme-dark .ti-input { background:#1c2823; color:var(--ink); }

/* Cards & sections */
body.theme-dark .card,
body.theme-dark .section-card,
body.theme-dark .stat-card,
body.theme-dark .brand-item,
body.theme-dark .com-item,
body.theme-dark .post-card,
body.theme-dark .qr-card,
body.theme-dark .prod-card { background:var(--card); border-color:var(--line); color:var(--ink); }
body.theme-dark .conv:hover { background:#1c2823; }
body.theme-dark .conv.active { background:#1a2e25; }
body.theme-dark .list-head, body.theme-dark .chat-head { background:var(--card); border-color:var(--line); }
body.theme-dark .search-wrap input,
body.theme-dark .search-wrap button { background:#1c2823; border-color:var(--line); color:var(--ink); }
body.theme-dark .list-tabs button { color:var(--muted); }
body.theme-dark .list-tabs button.active { color:var(--brand); border-bottom-color:var(--brand); }

/* Rail giữ màu emerald nhưng tối hơn */
body.theme-dark .rail { background:var(--brand-rail); }
body.theme-dark .rail-logo { background:var(--card); color:var(--brand); }

/* Info panel */
body.theme-dark .col-info, body.theme-dark .col-list { background:var(--card); border-color:var(--line); }
body.theme-dark .info-sec { border-color:var(--line); }
body.theme-dark .info-sec textarea, body.theme-dark .info-sec input { background:#1c2823; }

/* Buttons */
body.theme-dark .btn-mini { background:#1c2823; color:var(--ink); border-color:var(--line); }
body.theme-dark .btn-mini:hover { background:#243530; }
body.theme-dark .btn-mini.primary { background:var(--brand-d); color:#fff; border-color:var(--brand-d); }
body.theme-dark .btn-mini.danger { color:var(--red); border-color:#5a2a2a; background:#2a1a1a; }
body.theme-dark .btn-block { background:var(--brand-d); }
body.theme-dark .btn-block.ghost { background:#1c2823; color:var(--brand); border-color:#1f4538; }

/* Popups */
body.theme-dark .qr-popup,
body.theme-dark .rich-pop,
body.theme-dark .msg-menu,
body.theme-dark .msg-actions,
body.theme-dark .msg-tools { background:var(--card); border-color:var(--line); color:var(--ink); box-shadow:0 8px 28px rgba(0,0,0,.5); }
body.theme-dark .qr-pop-item { background:#1c2823; border-color:var(--line); color:var(--ink); }
body.theme-dark .qr-pop-item:hover { background:#243530; }
body.theme-dark .qr-pop-empty { color:var(--muted); }
body.theme-dark .qr-pop-head { color:var(--muted); border-color:var(--line); }
body.theme-dark .rich-sizebtn { background:#1c2823; color:var(--ink); border-color:var(--line); }
body.theme-dark .rich-emoji:hover, body.theme-dark .rich-sizebtn:hover { background:#243530; }
body.theme-dark .msg-menu .mi { color:var(--ink); }
body.theme-dark .msg-menu .mi:hover { background:#243530; }

/* QR chip colors trên dark — nền tối hơn, chữ sáng hơn */
body.theme-dark .qr-pop-item.qr-c-teal { background:#0a3b30; border-color:#155e4a; }
body.theme-dark .qr-pop-item.qr-c-teal .qr-pop-lbl { color:#5DCAA5; }
body.theme-dark .qr-pop-item.qr-c-emerald { background:#0c3a2c; border-color:#10b981; }
body.theme-dark .qr-pop-item.qr-c-emerald .qr-pop-lbl { color:#6EE7B7; }
body.theme-dark .qr-pop-item.qr-c-amber { background:#3d2a08; border-color:#854F0B; }
body.theme-dark .qr-pop-item.qr-c-amber .qr-pop-lbl { color:#FBBF24; }
body.theme-dark .qr-pop-item.qr-c-rose { background:#3a1a25; border-color:#993556; }
body.theme-dark .qr-pop-item.qr-c-rose .qr-pop-lbl { color:#F4C0D1; }
body.theme-dark .qr-pop-item.qr-c-sky { background:#0c2a4b; border-color:#185FA5; }
body.theme-dark .qr-pop-item.qr-c-sky .qr-pop-lbl { color:#85B7EB; }
body.theme-dark .qr-pop-item.qr-c-violet { background:#231f47; border-color:#534AB7; }
body.theme-dark .qr-pop-item.qr-c-violet .qr-pop-lbl { color:#AFA9EC; }
body.theme-dark .qr-pop-item.qr-c-slate { background:#2c2c2a; border-color:#5F5E5A; }
body.theme-dark .qr-pop-item.qr-c-slate .qr-pop-lbl { color:#D3D1C7; }

/* Top banner */
body.theme-dark .top-banner { background:#3d3520; border-color:#5a4d28; color:#fbe4a3; }
body.theme-dark .top-banner a { color:#FBBF24; }
body.theme-dark .top-banner .tb-close { color:#fbe4a3; }

/* Pin bar */
body.theme-dark .pin-bar { background:#3d3520; border-color:#5a4d28; }
body.theme-dark .pin-bar .pin-txt { color:#fbe4a3; }

/* Status pill */
body.theme-dark .status-closed { background:#0e3b30; color:#34d399; border-color:#155e4a; }

/* Customer panels */
body.theme-dark .appbar { background:var(--card); border-color:var(--line); }
body.theme-dark .appbar .btn-ghost { background:transparent; color:var(--ink); border-color:var(--line); }
body.theme-dark .panel-head { color:#fff; }
body.theme-dark .hintbox { background:#3d3520; border-color:#5a4d28; color:#fbe4a3; }
body.theme-dark .home-tabs button { background:var(--card); border-color:var(--line); color:var(--muted); }
body.theme-dark .home-tabs button.active { background:var(--brand); color:#0e1411; border-color:var(--brand); }
body.theme-dark .brand-item:hover { border-color:var(--brand); background:#1c2823; }

/* Data tables */
body.theme-dark .data-table th,
body.theme-dark .data-table td { border-color:var(--line); }
body.theme-dark .data-table th { color:var(--muted); }

/* System line (chat-body sysline) */
body.theme-dark .sysline { background:#243530; color:var(--muted); }

/* Edit row helper */
body.theme-dark .qr-manage-item,
body.theme-dark .qr-card { background:var(--card); border-color:var(--line); }
body.theme-dark .qr-manage-item.drag-over,
body.theme-dark .qr-card.drag-over { background:#1a2e25; border-color:var(--brand); }
body.theme-dark .qr-row1 .qr-label,
body.theme-dark .qr-manage-item .qr-label,
body.theme-dark .qr-add-grid input { background:#1c2823; color:var(--ink); border-color:var(--line); }
body.theme-dark .qr-brand-tag { background:#0e3b30; color:#5DCAA5; border-color:#155e4a; }
body.theme-dark .qr-media-tag { background:#3d3520; color:#fbe4a3; border-color:#5a4d28; }

/* Modal product */
body.theme-dark .prod-modal .box { background:var(--card); }
body.theme-dark .prod-modal .px { background:#243530; color:var(--ink); }

/* Theme auto: dùng prefers-color-scheme nếu theme-auto */
@media (prefers-color-scheme: dark) {
  body.theme-auto {
    --brand:#34d399; --brand-d:#10b981; --brand-rail:#0c3a2c;
    --brand-soft:#0e3b30; --brand-soft-bd:#155e4a;
    --ink:#e6efed; --muted:#8a958f; --line:#2a3331; --bg:#0e1411; --card:#152019;
    --sent:#0e5e4b; --sent-ink:#d6f0e2; --sel:#1a2e25; --red:#f87171; --amber:#fbbf24;
  }
  body.theme-auto{background:var(--bg)}
  /* Áp dụng các quy tắc trên cho theme-auto bằng cách clone — gọn hơn dùng :where() */
}
/* Trick: dùng :where() để cả theme-dark và auto+OS-dark cùng nhận quy tắc */
@media (prefers-color-scheme: dark) {
  body.theme-auto .chat-body, body.theme-auto .msgs, body.theme-auto .feed-body { background:#101814 !important; }
  body.theme-auto .col-chat { background:#101814; }
  body.theme-auto .msg.them { background:#1e2a25; border-color:#2a3a33; color:var(--ink); }
  body.theme-auto .msg.me { background:var(--sent); color:var(--sent-ink); }
  body.theme-auto .composer-row input,
  body.theme-auto .composer-rich-host .rich-area,
  body.theme-auto .composer-rich-host .rich-tb { background:#1c2823; color:var(--ink); }
  body.theme-auto input, body.theme-auto select, body.theme-auto textarea { background:#1c2823; color:var(--ink); border-color:var(--line); }
  body.theme-auto .card, body.theme-auto .section-card, body.theme-auto .stat-card,
  body.theme-auto .brand-item, body.theme-auto .qr-card, body.theme-auto .prod-card,
  body.theme-auto .com-item, body.theme-auto .post-card { background:var(--card); border-color:var(--line); color:var(--ink); }
  body.theme-auto .conv:hover { background:#1c2823; }
  body.theme-auto .conv.active { background:#1a2e25; }
  body.theme-auto .list-head, body.theme-auto .chat-head, body.theme-auto .appbar { background:var(--card); border-color:var(--line); }
  body.theme-auto .rail { background:var(--brand-rail); }
  body.theme-auto .qr-popup, body.theme-auto .rich-pop, body.theme-auto .msg-menu,
  body.theme-auto .msg-actions { background:var(--card); border-color:var(--line); color:var(--ink); }
  body.theme-auto .qr-pop-item { background:#1c2823; border-color:var(--line); color:var(--ink); }
  body.theme-auto .top-banner { background:#3d3520; border-color:#5a4d28; color:#fbe4a3; }
}


/* === Theme picker (pill radio cards) === */
.theme-picker{display:flex;gap:8px;flex-wrap:wrap}
.theme-pick{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;background:#fff;font-size:13.5px;font-weight:500;color:var(--ink);user-select:none;transition:all .15s ease}
.theme-pick:hover{border-color:var(--brand-soft-bd);background:#f3f6f5}
.theme-pick input{display:none}
.theme-pick.active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-d)}
body.theme-dark .theme-pick{background:#1c2823;border-color:var(--line);color:var(--ink)}
body.theme-dark .theme-pick:hover{background:#243530;border-color:var(--brand-soft-bd)}
body.theme-dark .theme-pick.active{background:#0e3b30;border-color:var(--brand);color:#6EE7B7}

/* === Theme toggle button (trang khách — appbar) === */
.theme-toggle{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:8px;padding:6px 10px;font-size:14px;cursor:pointer;line-height:1}
.theme-toggle:hover{color:var(--brand-d)}
body.theme-dark .theme-toggle{background:#1c2823;color:var(--ink)}


/* === Logo hiện trên đầu màn đăng nhập của khách === */
.login-logo{padding:18px 0 14px;text-align:center;background:transparent}
.login-logo img{max-width:200px;max-height:200px;width:auto;height:auto;object-fit:contain;background:transparent;border:0;padding:0;box-shadow:none;border-radius:0}
@media (max-width:640px){
  .login-logo{padding:14px 0 10px}
  .login-logo img{max-width:160px;max-height:160px}
}


/* === Brand item: thẻ chọn nhãn + lưới sản phẩm xem trước === */
.brand-item{display:flex;flex-direction:column;gap:12px;align-items:stretch;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--card);width:100%;text-align:left;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.brand-item:hover{border-color:var(--brand);box-shadow:0 2px 12px rgba(20,45,35,.08)}
.brand-row{display:flex;gap:12px;align-items:center;min-width:0}
.brand-info{flex:1;min-width:0;overflow:hidden}
.brand-name{font-weight:600;font-size:15px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-info .last{font-size:12.5px;color:var(--muted);line-height:1.3;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-top:2px}
.brand-dot{flex:0 0 44px;width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:18px;overflow:hidden}
.brand-dot.has-logo{background:#fff;border:1px solid var(--line);padding:2px}
.brand-dot.has-logo img{width:100%;height:100%;object-fit:contain}
body.theme-dark .brand-dot.has-logo{background:#0c1411}

/* Lưới sản phẩm trong thẻ nhãn — flex wrap, KHÔNG cuộn ngang */
.brand-prod-strip{display:flex;flex-wrap:wrap;gap:8px;padding:0}
.brand-prod{flex:1 1 calc(50% - 4px);max-width:140px;min-width:0;display:flex;flex-direction:column;gap:4px}
.brand-prod-img{width:100%;aspect-ratio:1/1;border-radius:9px;background:linear-gradient(135deg,#f3f6f5,#e6eae8);overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative}
.brand-prod-img img{width:100%;height:100%;object-fit:cover;display:block}
.brand-prod-letter{font-size:28px;font-weight:700;color:var(--brand-d);line-height:1;opacity:.7}
body.theme-dark .brand-prod-img{background:linear-gradient(135deg,#1c2823,#101814)}
body.theme-dark .brand-prod-letter{color:var(--brand)}
.brand-prod-nm{font-size:12px;color:var(--ink);line-height:1.3;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(1.3em * 2);word-break:break-word}
.brand-prod-pp{font-size:11.5px;color:var(--brand-d);font-weight:600;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body.theme-dark .brand-prod-pp{color:var(--brand)}

/* 3 cards/row khi đủ rộng */
@media (min-width:380px){
  .brand-prod{flex:1 1 calc(33.333% - 6px)}
}
/* 4 cards/row trên màn rộng (tablet+) */
@media (min-width:560px){
  .brand-prod{flex:1 1 calc(25% - 6px)}
}


/* === MOBILE: chặn cứng tràn ngang trong composer (iOS Safari hay sai min-width:0) === */
@media (max-width:640px){
  body:has(#app.fullwide) .composer{
    width:100%;
    max-width:100%;
    box-sizing:border-box;
    overflow:hidden;
  }
  body:has(#app.fullwide) .composer-tools,
  body:has(#app.fullwide) .composer-row,
  body:has(#app.fullwide) .composer-rich-row{
    width:100%;
    max-width:100%;
    box-sizing:border-box;
  }
  body:has(#app.fullwide) .composer-row input,
  body:has(#app.fullwide) .composer-rich-host{
    width:0;
    flex:1 1 0;
    min-width:0;
  }
  body:has(#app.fullwide) .composer-row .send,
  body:has(#app.fullwide) .composer-rich-row .send{
    flex:0 0 40px;
    width:40px;
    height:40px;
    margin-right:0;
  }
  /* col-chat cũng không được vượt 100vw */
  body:has(#app.fullwide) .col-chat,
  body:has(#app.fullwide) #app{
    max-width:100vw;
    overflow-x:hidden;
  }
}


/* === MOBILE: chặn auto-zoom của iOS Safari khi focus input
   (iOS tự zoom in nếu font-size < 16px → trang bị kéo ra ngoài) === */
@media (max-width:640px){
  input[type="text"],
  input[type="tel"],
  input[type="number"],
  input[type="search"],
  input[type="email"],
  input[type="password"],
  input:not([type]),
  textarea,
  [contenteditable="true"]{
    font-size:16px !important;
  }
}


/* === App prompt modal (notify + install) === */
.app-prompt-overlay{position:fixed;inset:0;background:rgba(15,25,22,.55);display:flex;align-items:flex-end;justify-content:center;z-index:9999;animation:appPromptIn .2s ease-out;padding:0}
@keyframes appPromptIn{from{background:rgba(0,0,0,0)}to{background:rgba(15,25,22,.55)}}
.app-prompt-box{background:var(--card);border-radius:18px 18px 0 0;padding:22px 22px 30px;width:100%;max-width:460px;text-align:center;position:relative;animation:appPromptSlide .3s cubic-bezier(.16,1,.3,1)}
@keyframes appPromptSlide{from{transform:translateY(100%)}to{transform:translateY(0)}}
.app-prompt-close{position:absolute;top:10px;right:12px;border:none;background:transparent;font-size:26px;color:var(--muted);cursor:pointer;line-height:1;padding:4px 8px}
.app-prompt-emoji{font-size:46px;line-height:1;margin-bottom:6px}
.app-prompt-title{font-size:18px;font-weight:600;margin:6px 0 6px;color:var(--ink)}
.app-prompt-sub{font-size:13.5px;color:var(--muted);line-height:1.5;margin:0 0 18px}
.app-prompt-btn{display:block;width:100%;padding:13px;border-radius:11px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);margin-bottom:8px;transition:transform .1s}
.app-prompt-btn:active{transform:scale(.98)}
.app-prompt-btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.app-prompt-btn.primary:hover{background:var(--brand-d)}
.app-prompt-skip{display:block;width:100%;padding:11px;border:none;background:transparent;color:var(--muted);font-size:13.5px;cursor:pointer;margin-top:4px}
.app-prompt-skip:hover{color:var(--ink)}
.app-prompt-steps{text-align:left;padding-left:22px;color:var(--ink);font-size:14px;line-height:1.6;margin:6px 0 18px}
.app-prompt-steps li{margin-bottom:6px}
body.theme-dark .app-prompt-btn{background:#1c2823;color:var(--ink);border-color:var(--line)}
body.theme-dark .app-prompt-overlay{background:rgba(0,0,0,.7)}

@media (min-width:540px){
  .app-prompt-overlay{align-items:center;padding:20px}
  .app-prompt-box{border-radius:18px;max-width:420px;padding:24px 28px 28px}
}


/* === Trang home khách: rộng + grid ngang trên desktop ===
   Dùng selector .cust-shell.card (khớp với cả bản code cũ + mới) để không phụ thuộc cache JS */
@media (min-width:720px){
  .cust-shell.card{max-width:1100px;width:calc(100% - 32px)}
  .cust-shell.card .brand-list{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:16px;
  }
  .cust-shell.card .com-item{display:flex}
}
@media (min-width:1100px){
  .cust-shell.card .brand-list{grid-template-columns:repeat(3, minmax(0, 1fr))}
}
@media (min-width:1400px){
  .cust-shell.card{max-width:1280px}
}