*{box-sizing:border-box}body{margin:0;background:#f3f5f9;color:#19243a;font:14px Segoe UI,Arial,sans-serif}.hidden{display:none!important}.auth{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card,.panel{background:white;border:1px solid #e6ebf2;border-radius:16px;padding:28px;box-shadow:0 10px 40px #2030500a}.auth-card{width:min(410px,100%)}.logo{width:44px;height:44px;border-radius:13px;background:#2868e8;color:white;display:grid;place-items:center;font-size:25px;font-weight:800}.logo.small{width:32px;height:32px;font-size:18px}h1{margin:10px 0 5px;font-size:25px}p{color:#8390a4;margin:0 0 22px}.auth label{display:block;margin:15px 0;font-weight:600}.auth input,.inline-form input,.inline-form select,.toolbar input{display:block;width:100%;padding:12px;border:1px solid #dfe5ed;border-radius:8px;margin-top:7px;font:inherit}.primary{background:#2868e8;color:white;border:0;border-radius:8px;padding:11px 16px;font-weight:700;cursor:pointer}.auth .primary{width:100%}.msg{color:#c34e4e;margin-top:12px}.layout{display:flex;min-height:100vh}.side{width:235px;background:#111a2d;color:#dce5f4;padding:20px 14px;display:flex;flex-direction:column;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;padding:4px 7px 30px}.nav{background:none;border:0;color:#aab6c9;text-align:left;padding:13px;border-radius:8px;cursor:pointer;margin:3px 0}.nav.active,.nav:hover{background:#263653;color:white}.side-foot{margin-top:auto;border-top:1px solid #344057;padding:15px 5px;display:grid;gap:10px;font-size:12px}.side-foot button{background:#293852;color:white;border:0;padding:9px;border-radius:7px}.main{padding:28px;min-width:0;flex:1}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.eyebrow{font-size:10px;letter-spacing:1.5px;color:#8290a5;font-weight:700}header h1{font-size:26px}.toolbar{display:flex;gap:9px;margin-bottom:14px}.toolbar input{max-width:400px;margin:0}.toolbar button,.viewer-actions button{border:1px solid #dfe5ed;background:white;border-radius:8px;padding:10px 13px;cursor:pointer}.workspace{display:grid;grid-template-columns:270px minmax(0,1fr);gap:14px;min-height:70vh}.accounts,.viewer{background:white;border:1px solid #e5eaf1;border-radius:12px;overflow:hidden}.accounts{padding:8px}.account{padding:13px;border-radius:8px;cursor:pointer;border-bottom:1px solid #f0f2f6}.account.active{background:#edf4ff}.account b{display:block}.account small{display:block;color:#8895a8;margin-top:5px}.pill{font-size:10px;border-radius:20px;padding:4px 7px;background:#edf0f4;color:#68768b;float:right}.pill.open{background:#e7f8ef;color:#18845a}.viewer{display:flex;flex-direction:column;min-height:70vh}.viewer-head{display:flex;align-items:center;gap:12px;padding:12px 15px;border-bottom:1px solid #edf0f4;flex-wrap:wrap}.viewer-head>span{font-size:11px;color:#8491a4}.viewer-actions{margin-left:auto;display:flex;gap:6px}.viewer-actions button{font-size:11px}.viewer-actions button:disabled{opacity:.4}#screenWrap{background:#111827;flex:1;min-height:420px;display:grid;place-items:center;overflow:auto}.placeholder{color:#c2ccdb;text-align:center;padding:30px}.viewer img{width:100%;height:auto;display:block;cursor:crosshair}.inputbar{padding:10px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.inputbar input{flex:1;min-width:180px;padding:10px;border:1px solid #dfe5ed;border-radius:8px}.inputbar button{padding:10px;border:0;background:#eaf1ff;color:#225ecb;border-radius:8px}.inputbar small{width:100%;color:#929eae;font-size:10px}.panel h2{margin-top:0}.inline-form{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.inline-form input{width:auto;flex:1;min-width:150px;margin:0}.inline-form select{width:auto;margin:0}.user-row,.audit-row{padding:12px;border-bottom:1px solid #edf0f4;display:flex;justify-content:space-between;gap:10px}.user-row small,.audit-row small{color:#8491a4}#toast{position:fixed;bottom:20px;right:20px;background:#17243a;color:white;padding:12px 16px;border-radius:8px;display:none;max-width:360px}@media(max-width:850px){.side{width:65px;padding:14px 7px}.brand b,.nav:not(.active),.side-foot span{display:none}.brand{padding:0 8px 25px}.nav{text-align:center;font-size:0}.nav:after{content:'▦';font-size:18px}.side-foot button{font-size:10px}.main{padding:18px 12px}.workspace{grid-template-columns:1fr}.accounts{display:flex;overflow:auto}.account{min-width:160px}.viewer{min-height:65vh}header{align-items:flex-start;gap:10px}header h1{font-size:20px}}

.reactionbar{display:flex;align-items:center;gap:12px;padding:10px 12px 0;flex-wrap:wrap}.heart-btn{border:0;border-radius:9px;background:#fff0f1;color:#c92f45;padding:11px 16px;font-weight:800;cursor:pointer}.heart-btn:disabled{opacity:.45;cursor:not-allowed}.reactionbar span{font-size:11px;color:#8491a4}

#screen:focus{outline:2px solid #4d8cff;outline-offset:-2px}
#screen{user-select:none;-webkit-user-drag:none}

#enrollCreated{overflow-wrap:anywhere;margin:12px 0}.user-row{gap:12px}

/* v1.4 responsive mobile workspace */
.mobile-section-title{display:none}
button,input,select{touch-action:manipulation}
button{min-height:40px}
@media(max-width:680px){
  html,body{min-height:100%;overscroll-behavior-y:contain}
  .layout{display:block;min-height:100vh;padding-bottom:68px}
  .side{
    position:fixed;z-index:50;left:0;right:0;bottom:0;top:auto;
    width:auto;height:64px;padding:5px 7px calc(5px + env(safe-area-inset-bottom));
    flex-direction:row;align-items:center;justify-content:space-around;
    box-shadow:0 -5px 24px rgba(17,26,45,.14);gap:3px
  }
  .brand{display:none}
  .nav,.nav.active,.nav:hover{
    display:flex;flex:1;min-width:0;min-height:48px;margin:0;padding:5px 2px;
    align-items:center;justify-content:center;text-align:center;
    font-size:10px;line-height:1.15;border-radius:9px;white-space:normal
  }
  .nav:after{content:none}
  .side-foot{margin:0;border:0;padding:0;display:block}
  .side-foot span{display:none}
  .side-foot button{min-height:44px;padding:7px 9px;font-size:11px}
  .main{padding:14px 10px 18px;min-width:0}
  header{align-items:center;gap:8px;margin-bottom:14px}
  header>div{min-width:0}
  header h1{font-size:19px;line-height:1.2;margin:5px 0}
  header p{font-size:11px;margin:0;line-height:1.35}
  .eyebrow{font-size:9px}
  header>.primary{padding:9px 10px;min-height:40px;font-size:12px;white-space:nowrap}
  .toolbar{display:flex;gap:7px;margin-bottom:9px}
  .toolbar input{max-width:none;min-width:0;flex:1;font-size:16px;padding:11px}
  .toolbar button{padding:8px 11px;white-space:nowrap}
  .desktop-label{display:none}
  .workspace{display:flex;flex-direction:column;gap:9px;min-height:0}
  .account-picker{min-width:0}
  .mobile-section-title{display:block;font-size:12px;font-weight:750;color:#526176;margin:0 0 6px 2px}
  .accounts{
    display:flex;flex-direction:row;gap:7px;overflow-x:auto;overflow-y:hidden;
    max-height:104px;padding:6px;scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;white-space:nowrap
  }
  .account{
    flex:0 0 174px;min-width:174px;max-width:174px;
    padding:9px 10px;border:1px solid #edf0f4;border-radius:10px;
    white-space:normal;scroll-snap-align:start
  }
  .account b{font-size:12px;padding-right:3px;overflow-wrap:anywhere}
  .account small{font-size:10px;line-height:1.3}
  .pill{font-size:9px;padding:3px 6px}
  .viewer{min-height:0;border-radius:12px}
  .viewer-head{padding:9px 10px;gap:7px}
  .viewer-head>b{font-size:13px;max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .viewer-head>span{font-size:10px;flex:1;min-width:0}
  .viewer-actions{margin-left:0;gap:5px}
  .viewer-actions button{font-size:10px;padding:7px 8px;min-height:36px}
  #screenWrap{
    flex:none;height: min(58vh,560px);min-height:230px;
    display:flex;align-items:flex-start;justify-content:center;
    overflow:auto;overscroll-behavior:contain;background:#111827;
    -webkit-overflow-scrolling:touch
  }
  .viewer img{width:100%;height:auto;object-fit:contain;align-self:flex-start}
  .placeholder{padding:22px 14px;font-size:12px}
  .reactionbar{padding:8px 9px 3px;gap:6px}
  .heart-btn{width:100%;min-height:46px;font-size:14px;padding:11px}
  .reactionbar span{font-size:10px;line-height:1.35}
  .inputbar{padding:8px;gap:6px}
  .inputbar input{font-size:16px;min-width:0;width:100%;flex:1 1 100%;padding:12px}
  .inputbar button{width:100%;min-height:44px;font-size:14px}
  .inputbar small{font-size:10px;line-height:1.4}
  .panel{padding:15px 12px;border-radius:13px}
  .panel h2{font-size:18px}
  .inline-form{display:grid;grid-template-columns:1fr;gap:8px}
  .inline-form input,.inline-form select{width:100%;min-width:0;min-height:44px;font-size:16px}
  .inline-form button{width:100%;min-height:44px}
  .user-row,.audit-row{align-items:flex-start;flex-wrap:wrap;padding:12px 4px;font-size:12px}
  .user-row button{min-height:38px}
  #toast{left:10px;right:10px;bottom:76px;max-width:none;text-align:center;z-index:100}
  .auth{padding:16px}
  .auth-card{padding:22px 18px;width:100%;max-width:410px}
  .auth input{font-size:16px;min-height:44px}
  .auth .primary{min-height:46px}
}
@media(min-width:681px) and (max-width:850px){
  .workspace{grid-template-columns:210px minmax(0,1fr)}
  .main{padding:18px}
  .viewer-actions{margin-left:0}
}

.proxy-help{font-size:12px;color:#718096;margin:-10px 0 16px;line-height:1.45}
.enroll-form input{min-width:220px}
@media(max-width:680px){.enroll-form{display:grid;grid-template-columns:1fr}.enroll-form input{width:100%;min-width:0}.proxy-help{margin:-4px 0 14px}}

#chooseImage{background:#eef4ff;color:#2458b8;border:1px solid #d8e5ff}
#sendImage{background:#1769d2;color:#fff}
#sendImage:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:680px){
 .inputbar{display:grid;grid-template-columns:1fr 1fr}
 .inputbar #remoteText{grid-column:1/-1}
 .inputbar #sendText{grid-column:1/-1}
 .inputbar #chooseImage,.inputbar #sendImage{width:100%;min-height:46px}
 .inputbar small{grid-column:1/-1}
}

/* v1.7 direct workspace and mobile touch controls */
.viewer:fullscreen{width:100vw;height:100vh;background:#fff;display:flex;flex-direction:column;padding:8px;overflow:auto}
.viewer:fullscreen #screenWrap{flex:1;min-height:0;height:auto}
.viewer:fullscreen #screen{max-height:100%;object-fit:contain}
#screen{touch-action:pan-x pan-y;cursor:crosshair}
#fullscreenView{white-space:nowrap}
@media(max-width:680px){
 .viewer-actions{display:flex;flex-wrap:wrap;justify-content:flex-end}
 #fullscreenView{min-height:38px;padding:7px 9px;font-size:11px}
 .viewer:fullscreen{padding:4px}
 .viewer:fullscreen #screenWrap{height:auto;min-height:0;flex:1}
 .viewer:fullscreen .inputbar{position:sticky;bottom:0;background:#fff;z-index:5;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
 #screenWrap{touch-action:pan-y}
 #screen{touch-action:pan-y}
}

#chooseImage{min-height:44px}
@media(min-width:681px){.inputbar{flex-wrap:wrap}.inputbar small{flex-basis:100%}}

/* v2.0 Proxy manager */
.proxy-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0 18px;flex-wrap:wrap}
.proxy-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.proxy-card{border:1px solid #e2e8f0;border-radius:14px;padding:14px;background:#fff;min-width:0}
.proxy-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.proxy-card-head>div{display:grid;gap:4px;min-width:0}
.proxy-card-head small,.proxy-current span,.proxy-ip small{display:block;color:#718096;font-size:12px;line-height:1.4}
.proxy-state{border-radius:999px;padding:5px 8px;font-size:11px;white-space:nowrap}
.proxy-state.on{background:#e8f7ee;color:#16723b}
.proxy-state.off{background:#f1f5f9;color:#64748b}
.proxy-current{margin:12px 0;padding:10px;border-radius:9px;background:#f8fafc;overflow-wrap:anywhere}
.proxy-current b{display:block;font-size:13px;margin-top:4px}
.proxy-card label{display:grid;gap:6px;font-size:12px;font-weight:650}
.proxy-card input{width:100%;min-width:0;padding:11px;border:1px solid #d9e2ef;border-radius:9px;font-size:14px}
.proxy-ip{margin:10px 0;padding:10px;border-radius:9px;background:#eff6ff;color:#1e40af;font-size:13px;overflow-wrap:anywhere}
.proxy-ip small{margin-top:4px;color:#64748b}
.proxy-actions{display:flex;gap:7px;flex-wrap:wrap}
.proxy-actions button{flex:1;min-width:85px;padding:9px 8px;font-size:12px}
.proxy-actions .danger{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.proxy-actions button:disabled{opacity:.45;cursor:not-allowed}
#toast{max-width:min(560px,calc(100vw - 24px));padding:12px 16px;border-radius:12px;background:#17243a;color:#fff;box-shadow:0 8px 30px rgba(15,23,42,.22);line-height:1.45;z-index:200}
@media(max-width:680px){
 .proxy-list{grid-template-columns:1fr}
 .proxy-card{padding:12px}
 .proxy-actions{display:grid;grid-template-columns:1fr 1fr}
 .proxy-actions button{min-height:44px;font-size:13px}
 .proxy-card input{font-size:16px;min-height:44px}
 .proxy-toolbar button{min-height:44px}
}

/* v2.1 unique enrollment rows and per-link proxy diagnostics */
.enrollment-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:14px 4px;border-bottom:1px solid #e7edf4;flex-wrap:wrap}
.enrollment-main{display:grid;gap:5px;min-width:220px;flex:1}
.enrollment-main small{font-size:12px;color:#64748b;overflow-wrap:anywhere}
.enrollment-code{display:inline-block;padding:3px 7px;border-radius:7px;background:#eef2ff;color:#3730a3;font-size:11px;letter-spacing:.04em}
.proxy-present{color:#16723b!important}
.proxy-missing{color:#64748b!important}
.enrollment-actions{display:flex;gap:7px;flex-wrap:wrap}
.enrollment-actions button{font-size:12px;padding:8px 10px}
.enrollment-actions .danger{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.enrollment-result{flex-basis:100%;font-size:12px;color:#1e40af;overflow-wrap:anywhere}
.enroll-created{display:grid;gap:7px;padding:12px;background:#eff6ff;border-radius:10px;overflow-wrap:anywhere}
.enroll-created small{color:#475569}
.enroll-created button{justify-self:start}
@media(max-width:680px){
 .enrollment-row{display:grid;gap:10px}
 .enrollment-actions{display:grid;grid-template-columns:1fr}
 .enrollment-actions button{min-height:42px}
}

/* v2.2 Zalo account lifecycle management */
.manage-account-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:12px}
.manage-account-card{border:1px solid #e2e8f0;border-radius:14px;padding:14px;background:#fff;min-width:0}
.manage-account-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.manage-account-top>div{display:grid;gap:5px;min-width:0}
.manage-account-top small{color:#64748b;font-size:12px;overflow-wrap:anywhere}
.manage-account-meta{display:flex;flex-direction:column;gap:5px;margin:12px 0;padding:10px;border-radius:9px;background:#f8fafc;color:#475569;font-size:12px;overflow-wrap:anywhere}
.manage-account-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.manage-account-actions button{min-height:40px;padding:8px;font-size:12px}
.manage-account-actions .danger{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
#manageSearch{flex:1;min-width:180px;padding:10px 12px;border:1px solid #d9e2ef;border-radius:9px}
@media(max-width:680px){
 .manage-account-list{grid-template-columns:1fr}
 .manage-account-card{padding:12px}
 .manage-account-actions{grid-template-columns:1fr 1fr}
 .manage-account-actions button{min-height:44px;font-size:12px}
 #manageSearch{width:100%;font-size:16px;min-height:44px}
 .side{overflow-x:auto;justify-content:flex-start}
 .nav{flex:0 0 82px}
}

/* v3.0 four-phase administration */
.overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0}
.metric-card{padding:14px;border:1px solid #e2e8f0;border-radius:12px;background:#fff;min-width:0}
.metric-card small{display:block;color:#64748b;font-size:12px}
.metric-card b{display:block;margin-top:7px;font-size:21px;overflow-wrap:anywhere}
.metric-card.wide{grid-column:span 2}
.meter{height:7px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin-top:9px}
.meter span{display:block;height:100%;background:#2563eb}
.staff-stat,.pool-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px;border-bottom:1px solid #e8edf3;flex-wrap:wrap}
.staff-stat{display:grid;gap:4px}
.staff-stat span,.staff-stat small,.pool-row small{font-size:12px;color:#64748b}
#proxyImportText{width:100%;padding:12px;border:1px solid #d9e2ef;border-radius:10px;font:13px/1.5 monospace;margin:10px 0}
.pool-row>div:first-child{display:grid;gap:4px;min-width:180px;overflow-wrap:anywhere}
.pool-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.pool-actions select{padding:9px;border:1px solid #d9e2ef;border-radius:8px;max-width:220px}
.pool-actions button{font-size:12px;padding:8px 10px}
.pool-actions .danger{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.warning-note{margin-top:14px;padding:12px;border-radius:10px;background:#fff7ed;color:#9a3412;font-size:13px;line-height:1.5}
.user-actions{display:flex;gap:6px;flex-wrap:wrap}
.modal{position:fixed;inset:0;z-index:1000;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:16px}
.modal.hidden{display:none}
.modal-card{width:min(560px,100%);max-height:85vh;overflow:auto;background:#fff;border-radius:16px;padding:18px;box-shadow:0 20px 70px rgba(0,0,0,.25)}
.permission-choice{display:flex;align-items:center;gap:10px;padding:9px;border-bottom:1px solid #edf1f5;font-size:14px}
.permission-choice input{width:18px;height:18px}
.permission-choice span{display:grid;gap:3px}
.permission-choice small{color:#64748b}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
#claimControl{background:#eef2ff;color:#3730a3;border:1px solid #c7d2fe}
@media(max-width:680px){
 .overview-grid{grid-template-columns:1fr 1fr}
 .metric-card.wide{grid-column:span 2}
 .pool-row{display:grid;gap:10px}
 .pool-actions{display:grid;grid-template-columns:1fr 1fr}
 .pool-actions select{max-width:none;width:100%;grid-column:1/-1;min-height:42px}
 .pool-actions button{min-height:42px}
 .user-actions{display:grid;grid-template-columns:1fr 1fr}
 .modal-card{padding:14px}
}

/* v3.1 exclusive Zalo tab ownership */
.tab-owner-line{display:block;margin-top:5px;padding:5px 7px;border-radius:7px;background:#ecfdf5;color:#047857!important;font-size:11px!important;overflow-wrap:anywhere}
.tab-owner-line.busy{background:#fff7ed;color:#9a3412!important}
#forceTakeover{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.viewer-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
@media(max-width:680px){
 .viewer-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}
 .viewer-actions button{min-height:40px}
 .tab-owner-line{font-size:11px!important}
}