:root{
  --rail:#252936;
  --rail-hover:#343947;
  --rail-active:#be1e3f;
  --accent:#be1e3f;
  --accent-dark:#9f1734;
  --blue:#3b98c7;
  --blue-dark:#287eaa;
  --page:#eceeef;
  --panel:#ffffff;
  --panel-head:#f5f5f5;
  --line:#d8dadd;
  --text:#2b2d31;
  --muted:#73777d;
  --success:#43a67b;
  --warning:#d9a441;
  --danger:#c94b57;
  --shadow:0 1px 3px rgba(0,0,0,.15);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--page);font-size:13px}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{min-height:100vh;background:var(--page)}
.topbar{height:45px;background:#fff;border-bottom:1px solid #cfd1d3;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 12px;position:sticky;top:0;z-index:30}
.top-left,.top-right{display:flex;align-items:center;gap:14px}
.tvs-logo{width:25px;height:22px;position:relative;transform:skew(-16deg)}
.tvs-logo i{position:absolute;width:5px;height:18px;background:var(--accent);top:2px;border-radius:1px}
.tvs-logo i:nth-child(1){left:1px;height:13px;top:7px}.tvs-logo i:nth-child(2){left:7px}.tvs-logo i:nth-child(3){left:13px}.tvs-logo i:nth-child(4){left:19px;height:13px;top:2px}
.user-name{font-size:12px;color:#575b61}
.top-action{color:#5b5f65;font-size:12px;display:flex;align-items:center;gap:5px}
.notification{width:42px;height:45px;background:#42c896;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:bold;margin-right:-14px}
.body-shell{display:grid;grid-template-columns:50px minmax(0,1fr);min-height:calc(100vh - 45px)}
.icon-rail{background:var(--rail);display:flex;flex-direction:column;align-items:stretch;position:sticky;top:45px;height:calc(100vh - 45px);z-index:20}
.rail-btn{height:48px;border:0;background:transparent;color:#8e94a1;display:flex;align-items:center;justify-content:center;position:relative}
.rail-btn:hover{background:var(--rail-hover);color:#fff}.rail-btn.active{background:#202430;color:#fff}.rail-btn.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.rail-btn svg{width:20px;height:20px;fill:currentColor}.rail-spacer{flex:1}
.page{min-width:0;padding:18px 14px 40px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
.page-title{font-size:23px;font-weight:600;margin:0}.page-subtitle{margin:5px 0 0;color:var(--muted);font-size:12px}
.header-actions{display:flex;gap:8px;align-items:center}
.btn{border:1px solid #c5c8cb;background:#fff;color:#42464b;padding:8px 13px;border-radius:2px;box-shadow:0 1px 1px rgba(0,0,0,.04)}
.btn:hover{background:#f7f7f7}.btn.primary{background:var(--blue);border-color:var(--blue-dark);color:#fff}.btn.primary:hover{background:var(--blue-dark)}.btn.danger{background:var(--accent);border-color:var(--accent-dark);color:#fff}.btn.small{padding:5px 9px;font-size:12px}.btn.icon{padding:7px 9px}
.panel{background:var(--panel);border:1px solid #d1d3d5;box-shadow:var(--shadow);margin-bottom:14px}
.panel-header{background:var(--panel-head);border-bottom:1px solid #d7d9db;min-height:39px;padding:10px 13px;display:flex;align-items:center;justify-content:space-between}
.panel-title{font-weight:bold;color:#62666c;text-transform:uppercase;font-size:12px;display:flex;align-items:center;gap:7px}.panel-title svg{width:15px;height:15px;fill:#72767c}
.panel-body{padding:14px}
.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.summary-card{background:#fff;border:1px solid #d1d3d5;box-shadow:var(--shadow);padding:14px 16px;display:flex;align-items:center;gap:13px}
.summary-icon{width:38px;height:38px;border-radius:50%;background:#eef4f7;color:var(--blue);display:flex;align-items:center;justify-content:center}.summary-icon svg{width:20px;height:20px;fill:currentColor}
.summary-value{font-size:22px;font-weight:600;line-height:1}.summary-label{font-size:11px;text-transform:uppercase;color:#7a7e84;margin-top:6px}
.toolbar{display:grid;grid-template-columns:minmax(220px,1fr) 170px 170px auto;gap:8px;padding:12px;background:#fff;border-bottom:1px solid var(--line)}
.field-control{height:34px;border:1px solid #c8cbcf;background:#fff;padding:0 9px;color:#55595f;width:100%}.search-wrap{position:relative}.search-wrap svg{position:absolute;left:9px;top:9px;width:16px;height:16px;fill:#8c9096}.search-wrap input{padding-left:31px}
.workflow-table{width:100%;border-collapse:collapse;background:#fff}.workflow-table th{background:#f2f3f4;color:#65696e;text-align:left;text-transform:uppercase;font-size:10px;letter-spacing:.03em;padding:10px 11px;border-bottom:1px solid #d7d9db}.workflow-table td{padding:12px 11px;border-bottom:1px solid #e3e4e6;vertical-align:middle}.workflow-table tr:hover td{background:#fafafa}.workflow-name{font-weight:bold;color:#33373c}.workflow-desc{font-size:11px;color:#81858b;margin-top:4px}.badge{display:inline-block;padding:4px 7px;border-radius:2px;font-size:10px;font-weight:bold;text-transform:uppercase}.badge.active{background:#e5f4ee;color:#277b5b}.badge.draft{background:#eef0f2;color:#6a6e74}.badge.paused{background:#fff3dd;color:#936717}.badge.review{background:#fde9ec;color:#9d2f42}.link{border:0;background:transparent;color:#3189b8;padding:0}.row-actions{display:flex;gap:9px;justify-content:flex-end}.kebab{border:0;background:transparent;font-size:18px;color:#6c7076}
.empty{padding:50px;text-align:center;color:var(--muted)}
.studio-intro{display:grid;grid-template-columns:1.25fr .75fr;gap:14px;margin-bottom:14px}.intro-main{padding:18px 20px}.intro-main h2{font-size:18px;margin:0 0 7px}.intro-main p{color:#686c72;line-height:1.5;margin:0 0 14px;max-width:760px}.quick-links{display:flex;gap:8px;flex-wrap:wrap}.quick-link{border:1px solid #d3d6d9;background:#fff;padding:9px 11px;color:#4d5156}.quick-link b{display:block;font-size:12px}.quick-link span{display:block;font-size:10px;color:#878b90;margin-top:3px}.intro-side{padding:14px}.activity-item{display:grid;grid-template-columns:10px 1fr;gap:10px;padding:8px 0;border-bottom:1px solid #eceeef}.activity-item:last-child{border:0}.dot{width:8px;height:8px;border-radius:50%;background:var(--success);margin-top:5px}.activity-item b{font-size:11px}.activity-item span{font-size:10px;color:#85898f;display:block;margin-top:3px}
.modal-backdrop{position:fixed;inset:0;background:rgba(20,23,28,.55);z-index:80;display:flex;align-items:center;justify-content:center;padding:20px}.modal{width:min(760px,96vw);background:#fff;border:1px solid #aaa;box-shadow:0 12px 34px rgba(0,0,0,.32)}.modal-head{background:#f4f4f4;border-bottom:1px solid #ccc;padding:13px 16px;display:flex;align-items:center;justify-content:space-between}.modal-head h2{font-size:16px;margin:0}.modal-close{border:0;background:transparent;font-size:21px;color:#666}.modal-body{padding:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-field label{display:block;font-weight:bold;font-size:11px;margin-bottom:6px;color:#55595f}.form-field input,.form-field select,.form-field textarea{width:100%;border:1px solid #c8cbcf;padding:8px;background:#fff}.form-field textarea{min-height:78px;resize:vertical}.form-field.full{grid-column:1/-1}.modal-foot{padding:12px 16px;border-top:1px solid #d7d9db;background:#f7f7f7;display:flex;justify-content:flex-end;gap:8px}
.builder-page{padding:0}.builder-header{height:58px;background:#fff;border-bottom:1px solid #cfd1d3;display:flex;align-items:center;padding:0 15px;gap:12px}.builder-back{border:0;background:transparent;font-size:20px;color:#555}.builder-title h1{font-size:16px;margin:0}.builder-title p{font-size:10px;color:#7e8288;margin:4px 0 0}.builder-actions{margin-left:auto;display:flex;gap:8px}.builder-layout{display:grid;grid-template-columns:225px minmax(600px,1fr) 305px;height:calc(100vh - 103px)}.component-library,.properties{background:#fff;overflow:auto}.component-library{border-right:1px solid #cfd1d3}.properties{border-left:1px solid #cfd1d3}.side-head{background:#f3f4f4;border-bottom:1px solid #d3d5d7;padding:12px 14px;font-weight:bold;text-transform:uppercase;color:#64686e;font-size:11px}.side-body{padding:12px}.component-group{margin-bottom:17px}.component-group-title{font-size:10px;font-weight:bold;color:#80848a;text-transform:uppercase;margin-bottom:7px}.component{width:100%;text-align:left;background:#fff;border:1px solid #d1d4d7;padding:8px 9px;margin-bottom:6px;color:#4d5156}.component:hover{border-color:var(--blue);background:#f5fbfe}.canvas{position:relative;overflow:auto;background-color:#eceeef;background-image:linear-gradient(#dfe1e3 1px,transparent 1px),linear-gradient(90deg,#dfe1e3 1px,transparent 1px);background-size:20px 20px}.flow-node{position:absolute;width:245px;background:#fff;border:1px solid #bfc2c5;box-shadow:0 2px 6px rgba(0,0,0,.16)}.flow-node.selected{border:2px solid var(--blue)}.node-head{height:27px;padding:6px 9px;color:#fff;font-size:10px;font-weight:bold;text-transform:uppercase}.node-head.trigger{background:#56606b}.node-head.logic{background:#8d6ea9}.node-head.intelligence{background:#3e8fb8}.node-head.action{background:#44a176}.node-body{padding:10px}.node-body b{display:block;font-size:12px}.node-body span{display:block;font-size:10px;color:#777b81;margin-top:5px}.connector{position:absolute;background:#7d858d}.connector.v{width:2px}.connector.h{height:2px}.prop-field{margin-bottom:14px}.prop-field label{display:block;text-transform:uppercase;font-size:9px;font-weight:bold;color:#7c8086;margin-bottom:6px}.prop-field input,.prop-field select,.prop-field textarea{width:100%;border:1px solid #c8cbcf;padding:8px;background:#fff}.class-chip{display:inline-block;background:#edf2f5;border:1px solid #d3dade;padding:5px 6px;margin:0 4px 5px 0;font:10px monospace}.toggle-row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid #e0e2e4}.toggle-row b{font-size:11px}.toggle-row span{display:block;font-size:9px;color:#888c91;margin-top:3px}.switch{width:34px;height:18px;border-radius:10px;background:#bbb;padding:2px}.switch.on{background:#48a77d}.switch:after{content:"";display:block;width:14px;height:14px;background:#fff;border-radius:50%}.switch.on:after{margin-left:16px}
.class-tabs{display:flex;border-bottom:1px solid #d7d9db;background:#fff}.class-tab{padding:11px 16px;border:0;background:#fff;color:#6b6f75;border-right:1px solid #e1e2e4}.class-tab.active{color:var(--accent);border-bottom:3px solid var(--accent);font-weight:bold}.class-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.class-card{background:#fff;border:1px solid #d1d3d5;box-shadow:var(--shadow)}.class-card-head{padding:11px;border-bottom:1px solid #e0e2e3;display:flex;align-items:center;justify-content:space-between}.class-code{font:10px monospace;color:#61656a;background:#eef0f2;padding:4px 5px}.class-card-body{padding:12px}.class-card h3{font-size:13px;margin:0 0 6px}.class-card p{font-size:11px;color:#73777d;line-height:1.45;min-height:46px}.example{background:#f6f7f7;border-left:3px solid #bfc3c6;padding:8px;font-size:10px;color:#666a70}
@media(max-width:1050px){.summary-grid{grid-template-columns:repeat(2,1fr)}.studio-intro{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr 140px 140px}.toolbar .btn{grid-column:1/-1}.class-grid{grid-template-columns:repeat(2,1fr)}.builder-layout{grid-template-columns:200px minmax(550px,1fr)}.properties{display:none}}