:root{--bg:#f4f7fb;--ink:#18273d;--muted:#8290a4;--line:#e7edf4;--blue:#3868ee;--light:#edf2ff}*{box-sizing:border-box}body{margin:0;font:14px/1.6 system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);padding:9px 14px}button:hover{background:var(--light);border-color:#bccbf9}button.primary{background:var(--blue);color:#fff;border:0}button:disabled{opacity:.5;cursor:wait}input,select,textarea{width:100%;border:1px solid #dce3ed;border-radius:9px;padding:10px 12px;outline:none;background:white;color:var(--ink)}input:focus,textarea:focus{border-color:var(--blue)}textarea{resize:vertical}h1,h2,h3,p{margin:0}h1{font-size:25px}h2{font-size:19px}h3{font-size:15px}small,.muted{color:var(--muted)}.hidden{display:none!important}.row{display:flex;align-items:center;gap:10px}.spread{justify-content:space-between}.stack{display:grid;gap:14px}.brand{font-weight:750;font-size:21px;letter-spacing:-.5px}.brand i{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--blue);color:#fff;margin-right:8px;font-style:normal}.pill{font-size:11px;padding:3px 9px;border-radius:20px;background:var(--light);color:#436ce0;white-space:nowrap}.green{background:#e8f8f0;color:#218d67}.login{max-width:410px;margin:12vh auto;padding:35px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 20px 80px #2032510a}.login h2{margin:25px 0 4px}.login form{margin-top:24px}.app{display:grid;grid-template-columns:210px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:28px 18px;display:flex;flex-direction:column;gap:8px;position:fixed;top:0;bottom:0;width:210px}.sidebar .brand{margin:0 0 32px 6px}.nav{text-align:left;border:none;padding:13px 15px;background:none;color:#66758c}.nav.active{background:var(--light);color:var(--blue);font-weight:650}.sidebar .foot{margin-top:auto;border-top:1px solid var(--line);padding-top:20px}.main{grid-column:2;min-width:0}.topbar{height:83px;padding:20px 30px;background:#fff;border-bottom:1px solid var(--line)}.view{padding:26px 30px}.heading{margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:25px}.card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:13px}.number{font-size:31px;font-weight:700;margin-top:6px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th,td{padding:15px 19px;border-bottom:1px solid var(--line)}th{background:#fafbfd;font-size:12px;color:var(--muted);font-weight:500}td small{display:block}.workspace{display:grid;grid-template-columns:290px minmax(280px,1fr) 245px;height:calc(100vh - 135px);background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.inbox{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.filters{padding:16px;display:grid;gap:8px;border-bottom:1px solid var(--line)}.conversation-list{overflow:auto}.conversation{padding:16px;display:block;width:100%;text-align:left;border:0;border-radius:0;border-bottom:1px solid var(--line)}.conversation.selected{background:#f0f4ff;border-left:3px solid var(--blue)}.conversation .preview{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#8a96a7;font-size:12px;margin:8px 0}.badge{background:#ef6473;color:#fff;min-width:18px;text-align:center;font-size:10px;border-radius:20px;padding:0 5px}.chat-panel{display:flex;flex-direction:column;min-height:0;min-width:0}.chat-head{padding:17px 20px;border-bottom:1px solid var(--line);min-height:75px}.messages{overflow:auto;flex:1;padding:24px;background:#fafbfd;display:flex;flex-direction:column;gap:18px}.bubble-wrap{align-self:flex-start;max-width:85%;min-width:80px}.bubble-wrap.mine{align-self:flex-end}.bubble{padding:11px 15px;border:1px solid var(--line);border-radius:0 12px 12px;background:#fff;white-space:pre-wrap;overflow-wrap:anywhere}.mine .bubble{background:var(--blue);color:white;border-color:var(--blue);border-radius:12px 0 12px 12px}.bubble-wrap small{font-size:10px;display:block;margin-bottom:4px}.composer{padding:15px;border-top:1px solid var(--line);display:grid;gap:10px}.composer textarea{border:0;padding:4px;min-height:70px;resize:none}.details{padding:20px;border-left:1px solid var(--line);overflow:auto}.details label{display:block;font-size:12px;color:var(--muted);margin-top:18px;margin-bottom:6px}.details .value{word-break:break-all;font-size:13px}.empty{padding:50px 20px;text-align:center;color:var(--muted);margin:auto}.notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:20;background:#263650;color:white;border-radius:10px;padding:12px 22px;box-shadow:0 8px 25px #0002}.panel-form{max-width:650px;background:white;padding:25px;border:1px solid var(--line);border-radius:12px;margin-top:20px}.panel-form label{display:block;margin-bottom:5px}.inline{display:grid;grid-template-columns:1fr 1fr;gap:14px}.visitor-body{background:linear-gradient(135deg,#edf2ff,#f8fafc);min-height:100dvh;display:grid;place-items:center;padding:20px}.visitor-shell{width:100%;max-width:470px;height:min(790px,94dvh);border-radius:20px;overflow:hidden;background:#fff;border:1px solid #e0e6f2;box-shadow:0 20px 90px #38517b15;display:flex;flex-direction:column}.visitor-header{padding:25px;color:white;background:linear-gradient(120deg,#3868ee,#638aff)}.visitor-header small{color:#e0e8ff}.visitor-start{padding:30px;display:grid;gap:15px}.visitor-shell .messages{min-height:150px}.visitor-shell .composer{padding:17px}.visitor-footer{text-align:center;font-size:11px;color:#a2abba;padding:8px}.error{color:#c84e61;font-size:13px}.hint{font-size:12px;color:#8a96a7}.tools{display:flex;gap:8px;flex-wrap:wrap}.tools select{width:auto;max-width:100%}@media(max-width:1200px){.workspace{grid-template-columns:250px minmax(260px,1fr)}.details{display:none}.workspace.show-details{grid-template-columns:1fr}.workspace.show-details .details{display:block}.workspace.show-details .inbox,.workspace.show-details .chat-panel{display:none}.sidebar{width:175px}.app{grid-template-columns:175px 1fr}.view{padding:18px}.topbar{padding:18px}}@media(min-width:1201px){#detail-toggle{display:none}}@media(max-width:760px){.app{display:block}.sidebar{position:static;width:100%;padding:12px;flex-direction:row;overflow:auto;align-items:center;border-bottom:1px solid var(--line)}.sidebar .brand{margin:0;font-size:0}.sidebar .brand i{font-size:20px}.nav{white-space:nowrap;padding:8px}.sidebar .foot{margin:0;border:0;padding:0;white-space:nowrap}.sidebar .foot small,.sidebar .foot strong{display:none}.topbar{height:65px}.view{padding:10px}.workspace{height:calc(100dvh - 160px);grid-template-columns:1fr}.workspace.has-chat .inbox{display:none}.workspace:not(.has-chat) .chat-panel{display:none}.cards{grid-template-columns:1fr 1fr;gap:8px}.card{padding:15px}.inline{grid-template-columns:1fr}.visitor-body{padding:0}.visitor-shell{height:100dvh;max-width:none;border:0;border-radius:0}.heading{margin:10px 0 20px}.chat-head{padding:12px}.row{gap:6px}.bubble-wrap{max-width:92%}}
.presence-label{display:block;font-size:12px;color:var(--muted);margin-top:10px}.sidebar #presence{margin:5px 0 10px}.multi-filter{border:1px solid var(--line);border-radius:8px;background:white}.multi-filter summary{cursor:pointer;padding:9px 11px;display:flex;justify-content:space-between;gap:10px}.multi-filter summary span{font-size:12px;color:var(--blue)}.multi-options{max-height:180px;overflow:auto;padding:9px;border-top:1px solid var(--line)}.multi-options label{display:flex;gap:8px;align-items:center;padding:6px;cursor:pointer;overflow-wrap:anywhere}.multi-options input,.check-row input{width:16px;height:16px;flex-shrink:0}.multi-options button{padding:4px 10px}.filters{max-height:58%;overflow-y:auto;flex-shrink:0}.conversation-list{flex:1;min-height:0}.list-pages{border-top:1px solid var(--line);padding:8px;font-size:11px}.list-pages button{font-size:11px;padding:5px 8px}.check-row{display:flex!important;align-items:center;gap:8px}.visitor-shell details{padding:8px 16px;background:#fff;border-bottom:1px solid var(--line)}.visitor-shell details summary{cursor:pointer;font-size:12px;color:var(--muted)}.visitor-shell details form{padding:10px 0;gap:8px}.visitor-shell .visitor-start{padding:12px}.visitor-shell #retry{margin:12px}.visitor-header .availability{display:block;margin-top:5px}@media(max-width:760px){.sidebar .foot{display:flex;align-items:center;gap:5px}.sidebar .presence-label{display:none}.sidebar #presence{width:85px;margin:0}.sidebar .foot br{display:none}.filters{max-height:65%}}

.media-tools{margin-top:10px;border-top:1px solid #e5e9ef;padding-top:10px}.media-tools .row{flex-wrap:wrap}.media-pending{padding:10px;background:#f4f7fa;border-radius:10px;margin-top:8px}.media-status{overflow-wrap:anywhere;font-size:13px}.media-tools progress{width:100%;height:10px}.chat-media{display:block;max-width:100%;width:auto;max-height:280px;border-radius:8px;object-fit:contain}.media-preview .chat-media{max-height:130px}.bubble:has(.chat-media){min-width:140px;max-width:min(360px,100%)}.bubble a{display:block;overflow-wrap:anywhere;font-size:12px;margin-top:8px;color:inherit}.composer{flex-shrink:0}.media-tools small{font-size:11px}

/* v2.1.4 — admin-only, conversation-first layout. Visitor styles stay separate. */
.admin-body .app{grid-template-columns:160px minmax(0,1fr);height:100dvh;min-height:0;overflow:hidden}
.admin-body .sidebar{position:static;width:auto;min-height:0;padding:20px 10px;overflow:auto}
.admin-body .sidebar .brand{font-size:17px;margin:0 0 24px 2px;white-space:nowrap}
.admin-body .sidebar .brand i{width:29px;height:29px;margin-right:5px}
.admin-body .nav{padding:11px 10px;font-size:13px}
.admin-body .sidebar .foot{padding-top:12px}
.admin-body .main{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.admin-body .topbar{height:62px;flex-shrink:0;padding:10px 20px}
.admin-body .topbar h2{font-size:17px}
.admin-body .topbar small{font-size:10px}
.admin-body .view{padding:12px;flex:1;min-height:0;overflow:auto}
.admin-body .workspace{position:relative;grid-template-columns:300px minmax(0,1fr);height:100%;min-height:0;border-radius:12px}
.admin-body .inbox{min-width:0;overflow:hidden}
.admin-body .filters{padding:12px;gap:10px;max-height:45%;min-height:0}
.admin-body .advanced-filters>summary{display:flex;justify-content:space-between;gap:8px;cursor:pointer;padding:7px 2px;color:var(--blue);font-size:12px}
.admin-body .advanced-filters>summary::before{content:'＋'}
.admin-body .advanced-filters[open]>summary::before{content:'－'}
.admin-body .advanced-filters>summary span{margin-left:auto;color:var(--muted);font-size:11px}
.admin-body .advanced-filter-body{display:grid;gap:8px;padding-top:8px}
.admin-body .conversation{padding:13px 14px}
.admin-body .conversation .row>*{min-width:0}
.admin-body .conversation strong,.admin-body .conversation .pill{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.admin-body .conversation .row>small{flex-shrink:0;font-size:10px}
.admin-body .conversation .preview{margin:6px 0}
.admin-body .chat-head{min-height:64px;padding:10px 18px;gap:8px;flex-wrap:wrap;flex-shrink:0}
.admin-body .chat-head> .row{min-width:0;flex-wrap:wrap}
.admin-body .chat-head h3,.admin-body .chat-head small{overflow-wrap:anywhere}
.admin-body .chat-head button{padding:6px 10px;font-size:12px}
.admin-body .messages{min-height:0;padding:22px 28px;gap:16px;overscroll-behavior:contain}
.admin-body .bubble-wrap{max-width:min(78%,900px)}
.admin-body .bubble-wrap small{font-size:11px}
.admin-body .bubble{line-height:1.75}
.admin-body .composer{display:flex;flex-direction:column;padding:12px 20px;gap:8px;max-height:35%;min-height:0;overflow:auto}
.admin-body .composer>.tools{order:0;flex-shrink:0}
.admin-body .composer>textarea{order:1;min-height:48px;height:48px;flex-shrink:0;background:#f8fafd;border:1px solid var(--line);padding:10px 12px}
.admin-body .composer>.media-tools{order:2;margin-top:0;padding-top:0;border:0}
.admin-body .composer>.row{order:3;flex-wrap:wrap;flex-shrink:0}
.admin-body .composer .media-tools>.row{gap:8px}
.admin-body .composer .media-tools button{padding:6px 10px;font-size:12px}
.admin-body .details{display:none;position:absolute;right:0;top:0;bottom:0;width:min(340px,100%);padding:20px;background:#fff;z-index:5;box-shadow:-12px 0 36px #18273d18;overscroll-behavior:contain}
.admin-body .workspace.show-details{grid-template-columns:300px minmax(0,1fr)}
.admin-body .workspace.show-details .inbox,.admin-body .workspace.show-details .chat-panel{display:flex}
.admin-body .workspace.show-details .details{display:block}
.admin-body #detail-toggle{display:inline-block}
.admin-body #detail-back{display:block;width:100%;margin-bottom:18px;text-align:right}
.admin-body #back{display:none}
.admin-body .workspace.list-collapsed{grid-template-columns:minmax(0,1fr)}
.admin-body .workspace.list-collapsed .inbox{display:none}
.admin-body :focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media(min-width:1700px){.admin-body .workspace,.admin-body .workspace.show-details{grid-template-columns:340px minmax(0,1fr)}.admin-body .workspace.list-collapsed{grid-template-columns:minmax(0,1fr)}}
@media(min-width:761px) and (max-width:1100px){.admin-body .app{grid-template-columns:140px minmax(0,1fr)}.admin-body .sidebar .brand{font-size:14px}.admin-body .nav{font-size:12px;padding:10px 6px}.admin-body .workspace,.admin-body .workspace.show-details{grid-template-columns:260px minmax(0,1fr)}.admin-body .workspace.list-collapsed{grid-template-columns:minmax(0,1fr)}.admin-body .messages{padding:18px}}
@media(max-width:760px){
 .admin-body .app{display:flex;flex-direction:column}
 .admin-body .sidebar{flex-direction:row;align-items:center;flex-shrink:0;overflow:auto;padding:8px;gap:4px;border-right:0;max-height:62px}
 .admin-body .sidebar .brand{font-size:0;margin:0}.admin-body .sidebar .brand i{font-size:18px;margin:0}
 .admin-body .nav{font-size:12px;padding:8px;white-space:nowrap}
 .admin-body .sidebar .foot{margin:0;padding:0;border:0;flex-shrink:0}
 .admin-body .main{flex:1}.admin-body .topbar{height:48px;padding:8px 12px}.admin-body .topbar small{display:none}
 .admin-body .view{padding:6px}.admin-body .workspace,.admin-body .workspace.show-details{grid-template-columns:minmax(0,1fr);border-radius:8px}
 .admin-body .workspace.has-chat .inbox{display:none}.admin-body .workspace:not(.has-chat) .chat-panel{display:none}
 .admin-body .chat-head{padding:8px 10px;min-height:54px}.admin-body .chat-head button{padding:5px 8px}
 .admin-body #back{display:inline-block}.admin-body #list-toggle{display:none}
 .admin-body .messages{padding:14px 12px}.admin-body .bubble-wrap{max-width:90%}
 .admin-body .composer{padding:10px;gap:6px;max-height:40%}.admin-body .composer>textarea{height:44px;min-height:44px}
 .admin-body .composer>.row>small{font-size:10px}.admin-body .details{width:min(340px,100%)}
}
@media(max-height:650px){.admin-body .composer>textarea{height:52px;min-height:52px}.admin-body .composer{gap:5px;padding-top:8px;padding-bottom:8px}.admin-body .messages{gap:10px}.admin-body .sidebar .brand{margin-bottom:10px}}
.admin-body .composer>.tools{align-items:center;gap:8px}
.admin-body .composer>.tools select{padding:6px 10px;max-width:180px;font-size:12px}
.admin-body .composer>.tools .row{flex-wrap:wrap;gap:6px}
.admin-body .composer>.tools button{padding:5px 9px;font-size:12px}
.admin-body .composer>.tools small{font-size:10px}
.admin-body .composer>.media-tools:not(:has(.media-pending:not(.hidden))){display:none}