:root{
  --bg:#f4f7f6;--panel:#fff;--line:#e5e9e8;--text:#182321;--muted:#6b7774;
  --brand:#0f766e;--brand-2:#0b5f59;--brand-soft:#e9f6f4;--green:#1d9b64;
  --orange:#e88215;--orange-soft:#fff4e7;--red:#d83d4b;--red-soft:#fff0f1;
  --shadow:0 10px 28px rgba(25,45,40,.08);--radius:16px;
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,"Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:14px}.hidden{display:none!important}
button,input,select,textarea{font:inherit}button{cursor:pointer}.app{min-height:100vh}.topbar{height:66px;background:#0d2f2c;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:20}.brand-row{display:flex;align-items:center;gap:10px}.brand-row strong{display:block;font-size:16px}.brand-row span{display:block;color:#b9d3d0;font-size:12px}.brand-mark{width:50px;height:50px;border-radius:15px;background:linear-gradient(145deg,#17a391,#0f766e);display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.15)}.brand-mark.small{width:36px;height:36px;border-radius:10px;font-size:19px}.top-actions{display:flex;align-items:center;gap:10px}.staff-name{font-weight:600}.pill{padding:6px 10px;border-radius:999px;font-size:12px}.pill.ok{background:rgba(59,190,134,.14);color:#90efc3}.ghost{border:1px solid rgba(255,255,255,.18);background:transparent;color:inherit;border-radius:9px;padding:7px 11px}.ghost.compact{color:var(--text);border-color:var(--line);background:#fff}.summary-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 18px}.summary-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.summary-title strong{font-size:15px}.summary-title span{display:block;color:var(--muted);font-size:11px;margin-top:2px}.branch-cards{display:flex;gap:8px;overflow:auto;padding-bottom:3px}.branch-card{min-width:146px;border:1px solid var(--line);border-radius:12px;padding:9px 11px;background:#fff}.branch-card.alert{border-color:#f1b9be;background:#fffafa}.branch-card.warn{border-color:#f2cc9f;background:#fffdfa}.branch-card .name{font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.branch-card .metrics{display:flex;gap:8px;margin-top:5px;font-size:11px;color:var(--muted)}.branch-card .metrics b{color:var(--text)}.workspace{display:grid;grid-template-columns:205px 385px minmax(430px,1fr);height:calc(100vh - 66px - 116px);min-height:570px}.sidebar,.conversation-list-panel,.chat-panel{min-height:0}.sidebar{background:#fbfcfc;border-right:1px solid var(--line);padding:14px 10px;overflow:auto}.nav-stack{display:grid;gap:5px}.nav-item{border:0;background:transparent;text-align:left;padding:10px;border-radius:10px;color:#34423f;display:flex;align-items:center;gap:8px}.nav-item b{margin-left:auto;background:#eef2f1;border-radius:999px;padding:2px 7px;font-size:11px}.nav-item:hover{background:#eef5f4}.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:700}.nav-item.rescue{color:#a6222e}.filter-block{border-top:1px solid var(--line);margin-top:14px;padding-top:14px;display:grid;gap:10px}.filter-block label,.login-card label{display:grid;gap:5px;font-size:12px;color:var(--muted)}select,input{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px;color:var(--text);outline:none}select:focus,input:focus,textarea:focus{border-color:#8bc9c2;box-shadow:0 0 0 3px #e9f6f4}.legend{margin-top:18px;color:var(--muted);font-size:11px;display:grid;gap:7px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px}.dot.green{background:var(--green)}.dot.orange{background:var(--orange)}.dot.red{background:var(--red)}.conversation-list-panel{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.list-header{padding:14px;border-bottom:1px solid var(--line)}.list-header>div{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}.list-header h2{font-size:16px;margin:0}.list-header span{font-size:11px;color:var(--muted)}.search{width:100%;background:#f8faf9}.conversation-list{overflow:auto;flex:1}.conv{padding:13px;border-bottom:1px solid #edf0ef;cursor:pointer;display:grid;grid-template-columns:42px 1fr;gap:10px;position:relative}.conv:hover{background:#f8fbfa}.conv.active{background:#eef8f6}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:750;background:#edf2f1;color:#53625e}.avatar.line{background:#eaf9ee;color:#188b50}.avatar.facebook{background:#eef3ff;color:#2e62ba}.conv-top{display:flex;align-items:center;gap:6px}.conv-name{font-weight:700;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.branch-tag{font-size:10px;border:1px solid var(--line);border-radius:999px;padding:2px 6px;color:var(--muted);max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wait{margin-left:auto;font-size:11px;font-weight:750}.wait.ok{color:var(--green)}.wait.warn{color:var(--orange)}.wait.rescue{color:var(--red)}.preview{color:#66716f;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}.conv-bottom{margin-top:5px;display:flex;align-items:center;gap:7px;font-size:10px;color:#8a9491}.unread{background:var(--brand);color:#fff;border-radius:999px;min-width:18px;text-align:center;padding:2px 5px}.hq-tag{background:var(--red-soft);color:var(--red);border-radius:999px;padding:2px 6px}.chat-panel{background:#f7f9f8;position:relative}.empty-chat{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.empty-chat h3{margin:8px 0 3px;color:#4b5956}.empty-chat p{margin:0}.empty-icon{font-size:42px}.chat-view{height:100%;display:flex;flex-direction:column}.chat-header{background:#fff;border-bottom:1px solid var(--line);padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:15px}.chat-header h2{font-size:17px;margin:0}.chat-title-row{display:flex;align-items:center;gap:8px}.channel-badge{font-size:10px;padding:3px 7px;border-radius:999px;background:#edf2f1;color:#4a5956}.channel-badge.line{background:#e8f9ee;color:#178a4f}.channel-badge.facebook{background:#edf3ff;color:#2b61bb}.chat-meta{color:var(--muted);font-size:11px;margin-top:3px}.chat-actions{display:flex;gap:7px;align-items:center}.danger-soft{border:1px solid #f1c1c5;background:var(--red-soft);color:var(--red);padding:8px 10px;border-radius:9px;font-weight:700}.status-select{padding:7px}.rescue-banner{background:var(--red-soft);border-bottom:1px solid #f2c7cb;color:#9f2731;padding:9px 16px;font-weight:650}.messages{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:10px}.msg{max-width:72%;display:flex;flex-direction:column}.msg.customer{align-self:flex-start}.msg.staff{align-self:flex-end;align-items:flex-end}.bubble{padding:10px 12px;border-radius:15px;line-height:1.45;white-space:pre-wrap;word-break:break-word;box-shadow:0 1px 2px rgba(0,0,0,.03)}.msg.customer .bubble{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}.msg.staff .bubble{background:#dff3ef;color:#123c37;border-bottom-right-radius:5px}.msg-meta{font-size:10px;color:#8b9592;margin-top:3px}.composer{background:#fff;border-top:1px solid var(--line);padding:10px 13px}.assignment-row{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);margin-bottom:7px}.link-btn{border:0;background:transparent;color:var(--brand);font-weight:700}.reply-form{display:flex;gap:8px;align-items:flex-end}.reply-form textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:11px;padding:10px 12px;outline:none;min-height:44px;max-height:120px}.primary{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:11px 16px;font-weight:700}.primary:hover{background:var(--brand-2)}.primary:disabled{opacity:.5;cursor:not-allowed}.wide{width:100%}.form-error{color:var(--red);font-size:11px;min-height:16px;margin-top:5px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,#dff3ef 0,#f5f8f7 40%,#eef3f2 100%)}.login-card{width:min(390px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.login-card>.brand-mark{margin-bottom:15px}.login-card h1{margin:0;font-size:23px}.login-card p{margin:3px 0 20px;color:var(--muted)}.login-card form{display:grid;gap:12px}.login-card input{padding:11px}.toast{position:fixed;right:18px;bottom:18px;background:#183531;color:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow);z-index:100}.empty-list{padding:38px 20px;text-align:center;color:var(--muted)}
@media(max-width:1050px){.workspace{grid-template-columns:170px 330px minmax(390px,1fr)}.branch-card{min-width:132px}}@media(max-width:820px){.workspace{grid-template-columns:80px 300px minmax(360px,1fr)}.sidebar .nav-item{font-size:0;justify-content:center}.sidebar .nav-item span{font-size:18px}.sidebar .nav-item b{font-size:10px;margin-left:0}.filter-block,.legend{display:none}.staff-name{display:none}}@media(max-width:680px){.summary-bar{display:none}.workspace{height:calc(100vh - 66px);grid-template-columns:1fr}.sidebar{display:none}.conversation-list-panel{border:0}.chat-panel{position:fixed;inset:66px 0 0 0;z-index:10;transform:translateX(100%);transition:.2s}.chat-panel.mobile-open{transform:translateX(0)}.chat-header:before{content:'‹';font-size:28px;cursor:pointer;margin-right:4px}.topbar{padding:0 12px}.pill{display:none}.msg{max-width:86%}}

/* HQ Assist v0.5 */
.nav-item[data-filter=facebook] span,.nav-item[data-filter=linecheck] span{font-size:10px;font-weight:800;min-width:28px}.assignment-row>span:last-child{display:flex;gap:8px;align-items:center}.rescue-banner{line-height:1.5}