:root{
  --primary:#ff0014;--primary-hover:#d90011;--primary-active:#cc0010;--focus:rgba(255,0,20,.25);
  --dark:#343a40;--gray:#6c757d;--light:#f8f9fa;--border:#dee2e6;--white:#fff;
  --success:#28a745;--warning:#ffc107;--danger:#dc3545;--info:#17a2b8;
  --sidebar:#2b3035;--sidebar-hover:#3a4046;
  --radius:8px;--shadow:0 2px 10px rgba(0,0,0,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Inter",-apple-system,"Segoe UI",sans-serif;color:var(--dark);background:var(--light);font-size:14px;line-height:1.5}
h1,h2,h3,h4,.font-head{font-family:"Rubik","Inter",sans-serif}
a{color:var(--primary);text-decoration:none}

.app{display:flex;min-height:100vh}
/* Sidebar */
.sidebar{width:248px;background:var(--sidebar);color:#cfd3d7;flex:0 0 auto;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sb-brand{padding:20px 20px 16px;font-family:"Rubik",sans-serif;font-weight:600;font-size:18px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.sb-brand b{color:var(--primary)}
.sb-brand small{display:block;font-size:11px;font-weight:400;color:#8b9198;margin-top:2px}
.sb-nav{padding:12px 10px;flex:1;overflow-y:auto}
.sb-sec{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:#7b8188;padding:14px 12px 6px}
.sb-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--radius);color:#cfd3d7;cursor:pointer;font-size:14px;font-weight:500;margin-bottom:2px}
.sb-item:hover{background:var(--sidebar-hover);color:#fff}
.sb-item.active{background:var(--primary);color:#fff}
.sb-item .ic{width:18px;height:18px;flex:0 0 auto}
.sb-item .tag{margin-left:auto;background:rgba(255,255,255,.15);border-radius:50px;font-size:10px;padding:2px 7px}
.sb-item.active .tag{background:rgba(255,255,255,.25)}
.sb-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#8b9198}

/* Main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 26px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px;font-weight:600}
.topbar .spacer{flex:1}
.topbar .role{font-size:12px;color:var(--gray)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}
.content{padding:26px;flex:1}

/* Utilities */
.badge{display:inline-block;font-size:11px;font-weight:600;padding:3px 9px;border-radius:50px}
.badge.green{background:#e6f4ea;color:var(--success)}
.badge.red{background:#fdeaec;color:var(--danger)}
.badge.gray{background:#eceef0;color:var(--gray)}
.badge.amber{background:#fff6e0;color:#a97a00}
.badge.blue{background:#e6f3f6;color:var(--info)}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--primary);color:#fff;border:0;border-radius:var(--radius);padding:9px 16px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--primary-hover)}
.btn:focus-visible{outline:0;box-shadow:0 0 0 3px var(--focus)}
.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.ghost:hover{background:#fff5f6}
.btn.sm{padding:6px 11px;font-size:12.5px}
.btn.gray{background:var(--gray)}.btn.gray:hover{background:#5a6268}

.card{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}
.card-pad{padding:20px}
.card h3{font-size:15px;font-weight:600;margin-bottom:14px}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 18px;box-shadow:var(--shadow)}
.kpi .l{font-size:12.5px;color:var(--gray);margin-bottom:8px}
.kpi .v{font-size:28px;font-weight:700;font-family:"Rubik",sans-serif;line-height:1}
.kpi .d{font-size:12px;margin-top:8px}
.kpi .d.up{color:var(--success)}.kpi .d.down{color:var(--danger)}

.two-col{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-bottom:22px}
.row-split{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Bar chart */
.bars{display:flex;align-items:flex-end;gap:12px;height:180px;padding-top:10px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.bar{width:100%;max-width:38px;background:var(--primary);border-radius:6px 6px 0 0;transition:height .3s;position:relative}
.bar:hover{background:var(--primary-hover)}
.bar .n{position:absolute;top:-20px;left:0;right:0;text-align:center;font-size:11px;font-weight:600;color:var(--dark)}
.bar-lbl{font-size:12px;color:var(--gray)}

/* Donut */
.donut-wrap{display:flex;align-items:center;gap:18px}
.donut{width:130px;height:130px;flex:0 0 auto}
.legend{display:flex;flex-direction:column;gap:9px;font-size:13px}
.legend .li{display:flex;align-items:center;gap:8px}
.legend .sw{width:12px;height:12px;border-radius:3px;flex:0 0 auto}

/* Lists / tables */
.list{list-style:none}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;color:var(--gray);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;padding:10px 12px;border-bottom:1px solid var(--border)}
.tbl td{padding:12px;border-bottom:1px solid var(--border)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.clickable{cursor:pointer}
.tbl tr.clickable:hover{background:var(--light)}
.topq{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}
.topq:last-child{border-bottom:0}
.topq .q{flex:1;font-size:13.5px}
.topq .track{width:120px;height:8px;background:var(--light);border-radius:50px;overflow:hidden}
.topq .fill{height:100%;background:var(--primary);border-radius:50px}
.topq .n{width:34px;text-align:right;font-weight:600;font-size:13px}

/* Conversations */
.conv-layout{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}
.conv-list{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.conv-item{padding:13px 15px;border-bottom:1px solid var(--border);cursor:pointer}
.conv-item:hover{background:var(--light)}
.conv-item.active{background:#fff5f6;border-left:3px solid var(--primary);padding-left:12px}
.conv-item .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.conv-item .id{font-weight:600;font-size:13px}
.conv-item .when{font-size:11px;color:var(--gray)}
.conv-item .prev{font-size:12.5px;color:var(--gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;min-height:400px}
.tmsg{max-width:78%;padding:10px 13px;border-radius:12px;font-size:13.5px;margin-bottom:10px;white-space:pre-wrap}
.tmsg.user{background:var(--primary);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.tmsg.bot{background:var(--light);border:1px solid var(--border);border-bottom-left-radius:4px}
.tmsg.system{background:#fffbe6;border:1px dashed var(--warning);font-size:12.5px;color:#7a5c00;text-align:center;max-width:100%}
.tmeta{font-size:11px;color:var(--gray);margin:-6px 0 12px 2px;display:flex;gap:10px}

/* Configurator */
.cfg-layout{display:grid;grid-template-columns:380px 1fr;gap:20px;align-items:start}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px}
.field input[type=text],.field textarea,.field select{width:100%;border:1px solid var(--border);border-radius:var(--radius);padding:9px 11px;font-size:13.5px;font-family:inherit;outline:0}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus)}
.field .hint{font-size:11.5px;color:var(--gray);margin-top:4px}
.color-row{display:flex;gap:10px;align-items:center}
.color-row input[type=color]{width:44px;height:38px;border:1px solid var(--border);border-radius:var(--radius);padding:2px;cursor:pointer}
.swatches{display:flex;gap:6px}
.sw-btn{width:26px;height:26px;border-radius:6px;border:2px solid #fff;box-shadow:0 0 0 1px var(--border);cursor:pointer}
.preview-stage{background:#eef0f2;border:1px solid var(--border);border-radius:12px;padding:22px;display:flex;justify-content:center;min-height:560px}
.preview-frame{width:380px;height:600px}
.chip-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.chip-x{display:inline-flex;align-items:center;gap:6px;background:var(--light);border:1px solid var(--border);border-radius:50px;padding:5px 11px;font-size:12.5px}
.chip-x button{border:0;background:0;color:var(--gray);cursor:pointer;font-size:14px;line-height:1}

/* Article editor modal */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:12px;width:560px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{font-size:16px;font-weight:600}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
.close-x{border:0;background:0;font-size:22px;cursor:pointer;color:var(--gray);line-height:1}

/* Skeleton views */
.skeleton{text-align:center;padding:70px 20px;color:var(--gray)}
.skeleton .ic{font-size:46px;margin-bottom:14px}
.skeleton h2{font-size:20px;color:var(--dark);margin-bottom:8px}
.sk-rows{max-width:640px;margin:26px auto 0;display:flex;flex-direction:column;gap:12px}
.sk-row{height:52px;background:#fff;border:1px solid var(--border);border-radius:10px;position:relative;overflow:hidden}
.sk-row::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(0,0,0,.04),transparent);animation:sk 1.4s infinite}
@keyframes sk{to{transform:translateX(100%)}}
.sk-row::after{transform:translateX(-100%)}

.section-title{font-size:22px;font-weight:600;margin-bottom:4px}
.section-sub{color:var(--gray);margin-bottom:22px}
.mb0{margin-bottom:0}
@media(max-width:1000px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.two-col,.conv-layout,.cfg-layout,.row-split{grid-template-columns:1fr}}