:root{
  --bg:#f4f5f6; --card:#fff; --ink:#1f2d3d; --muted:#687482; --faint:#8b98a6;
  --line:#dce2e6; --brand:#b52b3a; --brand-2:#d05260; --brand-soft:#f5e6e8;
  --ok:#2c7664; --ok-soft:#e8f1ee; --warn:#a17d52; --warn-soft:#f1ece5;
  --bad:#b52b3a; --bad-soft:#f5e6e8; --sidebar:#142438; --sidebar-2:#20364c;
  --radius:8px; --shadow:0 1px 2px rgba(20,36,56,.04),0 6px 18px rgba(20,36,56,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Segoe UI','MiSans','Microsoft YaHei UI','Microsoft YaHei','PingFang SC',system-ui,sans-serif;
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}
.boot{display:grid;place-items:center;min-height:100vh;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:36px;padding:0 14px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:13px;font-weight:500;cursor:pointer;
  transition:all .15s;white-space:nowrap;
}
.btn:hover{border-color:#cfd3dd;background:#fafbfc}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:#982330}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{background:#f0f1f5;color:var(--ink)}
.btn.danger{color:var(--bad);border-color:#f3c9c9;background:#fff}
.btn.danger:hover{background:var(--bad-soft)}
.btn.sm{height:29px;padding:0 10px;font-size:12px;border-radius:7px}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{width:34px;height:34px;padding:0;border-radius:9px;border:1px solid transparent;background:transparent;cursor:pointer;color:var(--muted);font-size:16px}
.icon-btn:hover{background:#f0f1f5;color:var(--ink)}

/* ---------- auth ---------- */
.auth{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh}
.auth-left{
  position:relative;overflow:hidden;background:
    radial-gradient(900px 500px at 15% 10%,rgba(181,43,58,.30),transparent 60%),
    radial-gradient(700px 500px at 90% 90%,rgba(44,118,100,.12),transparent 60%),
    #0d1a29;
  color:#fff;padding:56px 60px;display:flex;flex-direction:column;justify-content:space-between;
}
.auth-left::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px;letter-spacing:.2px;position:relative;z-index:1}
.brand small{display:block;font-size:9px;letter-spacing:.8px;color:#7c8497;font-weight:500;margin-top:1px}
.brand-mark{width:38px;height:38px;border-radius:8px;background:transparent;display:grid;place-items:center;overflow:hidden;flex:none}
.brand-mark img{width:100%;height:100%;object-fit:contain}
.brand-mark svg{width:21px;height:21px}
.brand small{color:#8fa3b6}
.auth-logo{width:216px;height:auto;display:block;position:relative;z-index:1;margin-left:-10px}
.auth-hero .eyebrow{color:#e08a92;font-size:10px;font-weight:800;letter-spacing:.16em;margin-bottom:14px}
.auth-hero{position:relative;z-index:1;max-width:520px}
.auth-hero h1{font-size:38px;line-height:1.22;margin:0 0 16px;letter-spacing:-.5px}
.auth-hero h1 em{font-style:normal;color:#e08a92}
.auth-hero p{color:#a9b0bf;font-size:15px;margin:0 0 30px;line-height:1.7}
.model-pills{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:36px}
.model-pills span{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);padding:7px 13px;border-radius:999px;font-size:12px;color:#c9ced9;backdrop-filter:blur(6px)}
.auth-stats{display:flex;gap:38px;position:relative;z-index:1}
.auth-stats b{display:block;font-size:23px;letter-spacing:-.3px}
.auth-stats span{color:#8a91a1;font-size:12px}
.auth-left footer{color:#5f6673;font-size:12px;position:relative;z-index:1}
.auth-right{display:grid;place-items:center;padding:40px 24px;background:#fff}
.auth-card{width:100%;max-width:392px}
.auth-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.auth-home-logo img{width:118px;height:auto;display:block}
.auth-nav-links{display:flex;gap:12px;font-size:11px;white-space:nowrap}
.auth-nav-links a{color:var(--muted)}
.auth-nav-links a:hover{color:var(--brand)}
.auth-mode{display:grid;grid-template-columns:1fr 1fr;background:#f2f3f6;border-radius:9px;padding:3px;margin-bottom:14px}
.auth-mode button{height:31px;border:0;background:transparent;border-radius:7px;font-size:12px;color:var(--muted);cursor:pointer}
.auth-mode button.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(16,24,40,.1)}
.auth-switch{text-align:center;font-size:11.5px;color:var(--muted);margin-top:12px}
.auth-switch a{margin-left:4px;font-weight:600}
.auth-links{display:flex;justify-content:space-between;gap:10px;margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:11px}
.auth-links a{color:var(--muted)}
.auth-links a:hover{color:var(--brand)}
.auth-card h2{font-size:25px;margin:0 0 6px;letter-spacing:-.4px}
.auth-card .sub{color:var(--muted);margin:0 0 28px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f2f3f6;border-radius:11px;padding:4px;margin-bottom:24px}
.auth-tabs.three{grid-template-columns:repeat(3,1fr)}
.auth-tabs button{height:36px;border:0;background:transparent;border-radius:8px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer}
.auth-tabs button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(16,24,40,.1)}
.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;font-weight:500;color:#3d4250;margin-bottom:7px}
.input,select.input,textarea.input{
  width:100%;height:42px;border:1px solid #dfe2ea;border-radius:9px;padding:0 12px;
  font-size:14px;background:#fff;color:var(--ink);outline:none;transition:border .15s,box-shadow .15s;
}
textarea.input{height:auto;padding:10px 12px;resize:vertical;min-height:84px;line-height:1.6}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(181,43,58,.10)}
.input::placeholder{color:#aab0bc}
.input-wrap{position:relative}
.input-wrap .suffix{position:absolute;right:6px;top:6px}
.code-row{display:grid;grid-template-columns:1fr 108px;gap:9px}
.hint{font-size:12px;color:var(--faint);margin-top:6px;line-height:1.6}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);margin:16px 0 18px}
.agree input{margin-top:2px}
.auth-alt{text-align:center;font-size:12.5px;color:var(--muted);margin-top:22px}
.auth-alt a{font-weight:500}
.qr-box{display:grid;place-items:center;padding:16px 0 6px}
.qr{width:196px;height:196px;border-radius:14px;border:1px solid var(--line);padding:12px;background:#fff;display:grid;grid-template-columns:repeat(21,1fr);grid-template-rows:repeat(21,1fr);gap:1px}
.qr i{background:transparent;border-radius:1px}
.qr i.on{background:#14161c}
.qr-tip{font-size:12px;color:var(--muted);text-align:center;margin:10px 0 14px}
.dev-note{background:var(--brand-soft);border:1px solid #f0cdd1;color:#982330;border-radius:8px;padding:9px 12px;font-size:12px;line-height:1.6}
.auth-admin{display:flex;justify-content:center;margin-top:18px}
.auth-admin a{font-size:12px;color:var(--faint)}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:236px;background:var(--sidebar);color:#aab1bf;position:fixed;inset:0 auto 0 0;
  display:flex;flex-direction:column;padding:18px 12px;z-index:40;
}
.sidebar .brand{padding:4px 8px 22px;color:#fff}
.sidebar .brand small{display:block;font-size:10px;color:#6d7484;font-weight:500;letter-spacing:.6px;margin-top:2px}
.nav{flex:1;overflow:auto;scrollbar-width:none}
.nav-section{font-size:10px;text-transform:uppercase;letter-spacing:.9px;color:#565d6c;margin:18px 10px 7px;font-weight:600}
.nav a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:#aab1bf;
  font-size:13px;margin-bottom:2px;transition:background .12s,color .12s;position:relative;
}
.nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav a.active{background:#f0f3f5;color:var(--sidebar);font-weight:600}
.nav a.active .ico{color:var(--brand)}
.nav a.active::before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.nav .ico{width:18px;text-align:center;font-size:14px;opacity:.9}
.nav .badge{margin-left:auto;background:#2a2f3b;color:#c9ced9;font-size:10px;border-radius:999px;padding:1px 7px}
.sidebar-foot{border-top:1px solid #1d222c;padding:14px 8px 2px;font-size:11px;color:#5c6371;line-height:1.7}
.sidebar-foot b{color:#9aa1af;font-weight:500}
.sidebar-foot a{display:block;margin-top:9px;color:#9d9dff;font-size:11px;text-decoration:none}
.sidebar-foot a:hover{color:#c7c9ff}
.main{margin-left:236px;flex:1;min-width:0}
.topbar{
  height:60px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;
  padding:0 26px;position:sticky;top:0;z-index:30;
}
.topbar h1{font-size:15px;margin:0;font-weight:600;letter-spacing:-.2px}
.topbar .crumb{color:var(--faint);font-size:12px}
.topbar .spacer{flex:1}
.env-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#8a6d1f;background:#fdf6e3;border:1px solid #f3e4b8;border-radius:999px;padding:3px 9px}
.env-badge i{width:6px;height:6px;border-radius:50%;background:#e0a800;display:inline-block}
.balance-pill{display:inline-flex;align-items:center;gap:7px;background:#f5f6f9;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:12px}
.balance-pill b{color:var(--ink);font-weight:600}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--sidebar);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600;cursor:pointer}
.user-menu{position:relative}
.menu{position:absolute;right:0;top:42px;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 12px 34px rgba(16,24,40,.13);min-width:176px;padding:6px;display:none;z-index:50}
.menu.open{display:block}
.menu .who{padding:9px 11px 10px;border-bottom:1px solid var(--line);margin-bottom:5px}
.menu .who b{display:block;font-size:13px}
.menu .who span{font-size:11px;color:var(--muted)}
.menu button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:8px 11px;border-radius:7px;font-size:12.5px;color:var(--ink);cursor:pointer}
.menu button:hover{background:#f4f5f8}
.menu button.danger{color:var(--bad)}

.page{padding:26px 28px 48px;max-width:1440px;margin:0 auto}
.page-head{display:flex;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head h2{font-size:21px;margin:0;letter-spacing:-.4px}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.page-head .spacer{flex:1}
.range-tabs{display:inline-flex;background:#eef0f4;border-radius:9px;padding:3px}
.range-tabs button{border:0;background:transparent;padding:6px 12px;font-size:12px;border-radius:7px;color:var(--muted);cursor:pointer}
.range-tabs button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(16,24,40,.1)}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:16px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .l{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .v{font-size:26px;font-weight:650;letter-spacing:-.8px;margin:7px 0 2px;font-variant-numeric:tabular-nums}
.kpi .d{font-size:11.5px;color:var(--faint)}
.kpi .d.up{color:var(--ok)}
.kpi .d.down{color:var(--bad)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-h{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line)}
.card-h h3{margin:0;font-size:13.5px;font-weight:600}
.card-h .sub{color:var(--faint);font-size:11.5px}
.card-h .spacer{flex:1}
.card-b{padding:16px 18px}
.two-col{grid-template-columns:1.6fr 1fr}
.one-col{grid-template-columns:1fr}
.chart-wrap{padding:10px 8px 4px;overflow:hidden}
.chart-wrap svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:16px;flex-wrap:wrap;padding:0 18px 10px;font-size:11.5px;color:var(--muted)}
.legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px}

/* donut */
.donut-row{display:flex;align-items:center;gap:20px}
.donut{width:132px;height:132px;border-radius:50%;position:relative;flex:none}
.donut::after{content:"";position:absolute;inset:19px;background:#fff;border-radius:50%}
.donut .hole{position:absolute;inset:19px;display:grid;place-content:center;text-align:center;z-index:1}
.donut .hole b{font-size:15px;letter-spacing:-.3px}
.donut .hole span{font-size:10px;color:var(--faint)}
.bd-list{flex:1;min-width:0}
.bd-item{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:12px}
.bd-dot{width:8px;height:8px;border-radius:2px;flex:none}
.bd-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#3d4250}
.bd-val{font-variant-numeric:tabular-nums;color:var(--muted)}
.bd-bar{height:4px;background:#f0f1f5;border-radius:2px;margin-top:3px;overflow:hidden}
.bd-bar i{display:block;height:100%;border-radius:2px}

/* table */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{text-align:left;font-weight:500;color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.4px;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbfc}
.tbl td{padding:11px 14px;border-bottom:1px solid #f1f2f6;white-space:nowrap;color:#2c303a}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fafbfd}
.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:500;background:#f1f2f6;color:#5a6070}
.tag.ok{background:var(--ok-soft);color:#15803d}
.tag.warn{background:var(--warn-soft);color:#a16207}
.tag.bad{background:var(--bad-soft);color:#b91c1c}
.tag.brand{background:var(--brand-soft);color:#982330}
.tag.gray{background:#f1f2f6;color:#6b7280}

/* model catalog */
.model-list{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.model-row{display:flex;align-items:center;gap:13px;padding:13px 18px;border-bottom:1px solid #f1f2f6;cursor:pointer;transition:background .12s}
.model-row:last-child{border-bottom:0}
.model-row:hover{background:#fafbff}
.m-icon{width:38px;height:38px;border-radius:10px;color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.m-main{flex:1;min-width:0}
.m-title{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.m-title b{font-size:13.5px;letter-spacing:-.2px}
.m-sub{color:var(--muted);font-size:11px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.m-mult{text-align:right;width:58px;flex:none}
.m-mult b{display:block;font-size:16px;letter-spacing:-.3px;font-variant-numeric:tabular-nums}
.m-mult span{font-size:10px;color:var(--faint)}
.m-go{color:var(--brand);font-size:12px;opacity:0;transition:opacity .12s;flex:none;width:52px;text-align:right}
.model-row:hover .m-go{opacity:1}
.tag.hot{background:#fee2e2;color:#b91c1c}
.tag.sale{background:#dcfce7;color:#15803d}
.picker-row{padding:10px 12px}
@media (max-width:600px){
  .m-go{display:none}
  .m-sub{display:none}
  .model-row{padding:11px 12px}
  .m-mult{width:46px}
}

/* dashboards gallery */
.dash-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.dash-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,border-color .15s}
.dash-card:hover{transform:translateY(-2px);border-color:#cfd2ee}
.dash-card .ic{width:38px;height:38px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;font-size:17px;margin-bottom:12px}
.dash-card h3{margin:0 0 3px;font-size:14px}
.dash-card p{margin:0;color:var(--muted);font-size:11.5px}

/* config */
.config-layout{display:grid;grid-template-columns:230px 1fr;gap:18px;align-items:start}
.config-nav{background:#fff;border:1px solid var(--line);border-radius:13px;padding:8px;position:sticky;top:80px}
.config-nav button{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:0;background:transparent;padding:9px 10px;border-radius:8px;font-size:12.5px;color:#4a5060;cursor:pointer}
.config-nav button:hover{background:#f5f6f9}
.config-nav button.active{background:var(--brand-soft);color:#4343b8;font-weight:500}
.config-nav .ico{font-size:14px}
.config-main .card-b{padding:20px 22px}
.cfg-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}
.cfg-head h3{margin:0 0 3px;font-size:16px}
.cfg-head p{margin:0;color:var(--muted);font-size:12px}
.cfg-head .spacer{flex:1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.form-grid .full{grid-column:1/-1}
.field-help{font-size:11px;color:var(--faint);margin-top:5px}
.switch{position:relative;display:inline-flex;align-items:center;gap:9px;cursor:pointer;user-select:none;font-size:12.5px;color:#3d4250}
.field label.switch{display:inline-flex;margin-bottom:0;font-weight:400}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch .track{display:block;width:38px;height:22px;background:#d7dae2;border-radius:999px;position:relative;transition:.15s;flex:none}
.switch .track::after{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:2px;left:2px;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked + .track{background:var(--brand)}
.switch input:checked + .track::after{left:18px}
.cfg-actions{display:flex;gap:9px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.cfg-actions .spacer{flex:1}
.version-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #f1f2f6;font-size:12px}
.version-row:last-child{border-bottom:0}
.version-row .v{font-weight:600;width:44px}
.version-row .meta{color:var(--faint);font-size:11px}
.version-row .spacer{flex:1}

/* misc */
.toolbar{display:flex;gap:9px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar .spacer{flex:1}
.search{height:36px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font-size:13px;width:240px;outline:none;background:#fff}
.search:focus{border-color:var(--brand)}
.empty{padding:44px 20px;text-align:center;color:var(--faint);font-size:13px}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:12px}
.copy{display:inline-flex;align-items:center;gap:10px;background:#0f1218;color:#d8dce6;border-radius:9px;padding:11px 13px;font-family:Consolas,monospace;font-size:12px;word-break:break-all}
.notice{background:var(--brand-soft);border:1px solid #f0cdd1;border-radius:8px;padding:11px 14px;font-size:12px;color:#7d2833;line-height:1.7;margin-bottom:16px}

/* playground */
.chat-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:14px}
.conv-rail{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;height:calc(100vh - 190px);min-height:460px;display:flex;flex-direction:column;gap:2px}
.new-chat{height:34px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:12px;color:var(--ink);margin-bottom:10px;cursor:pointer}
.new-chat:hover{border-color:var(--brand);color:var(--brand)}
.conv-group{font-size:9px;letter-spacing:.1em;color:var(--faint);padding:9px 8px 4px;text-transform:uppercase}
.conv-item{border:0;background:transparent;text-align:left;font-size:11.5px;color:#4a5968;padding:7px 8px;border-radius:6px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-item:hover{background:#f5f6f8}
.conv-item.active{background:var(--brand-soft);color:#7d2833;font-weight:600}
.conv-foot{margin-top:auto;border-top:1px solid var(--line);padding:10px 8px 2px;font-size:9px;color:var(--faint);line-height:1.6}
.chat{display:flex;flex-direction:column;height:calc(100vh - 190px);min-height:460px;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.chat-top{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.chat-top select{height:34px;border:1px solid var(--line);border-radius:8px;padding:0 10px;font-size:12.5px;background:#fff;outline:none}
.chat-body{flex:1;overflow:auto;padding:20px 22px;background:#fbfbfd}
.msg{display:flex;gap:11px;margin-bottom:18px;max-width:86%}
.msg .who{width:28px;height:28px;border-radius:8px;flex:none;display:grid;place-items:center;font-size:11px;font-weight:600}
.msg.user{margin-left:auto;flex-direction:row-reverse}
.msg.user .who{background:#14161c;color:#fff}
.msg.assistant .who{background:var(--brand-soft);color:#982330}
.bubble{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:13px;white-space:pre-wrap;word-break:break-word;line-height:1.65}
.msg.user .bubble{background:var(--brand);color:#fff;border-color:var(--brand)}
.chat-input{border-top:1px solid var(--line);padding:12px 14px;display:flex;gap:10px;align-items:flex-end;background:#fff}
.chat-input textarea{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;resize:none;height:46px;outline:none;font-family:inherit;line-height:1.5}
.chat-input textarea:focus{border-color:var(--brand)}
.chat-meta{font-size:11px;color:var(--faint);padding:0 16px 10px;display:flex;gap:14px}
.chat-suggest{display:flex;gap:6px;flex-wrap:wrap;padding-left:40px;margin-top:2px}
.chat-suggest button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 10px;font-size:10.5px;color:#5d6a78;cursor:pointer}
.chat-suggest button:hover{border-color:var(--brand);color:var(--brand)}

/* plugins & skills */
.plugin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.plugin-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:17px 18px;box-shadow:var(--shadow)}
.plugin-head{display:flex;align-items:center;gap:10px}
.plugin-head>div{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.plugin-head b{font-size:13px}
.plugin-icon{width:34px;height:34px;border-radius:8px;color:#fff;display:grid;place-items:center;font-size:15px;flex:none}
.plugin-card p{margin:12px 0 0;font-size:11.5px;color:var(--muted);line-height:1.65}
.skill-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.skill-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.skill-icon{width:34px;height:34px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:15px;margin-bottom:12px}
.skill-card b{font-size:13.5px}
.skill-card p{font-size:11.5px;color:var(--muted);line-height:1.65;margin:6px 0 14px}
.skill-card .btn{align-self:flex-start;margin-top:auto}
.skill-chip{display:flex;align-items:center;gap:8px;padding:7px 14px;background:#fff;border-bottom:1px solid var(--line);font-size:11px;color:#7d2833}
.skill-chip span{background:var(--brand-soft);border-radius:999px;padding:3px 9px}
.skill-chip button{border:0;background:transparent;color:var(--faint);font-size:15px;cursor:pointer}
@media (max-width:1100px){.plugin-grid,.skill-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.plugin-grid,.skill-grid{grid-template-columns:1fr}}

.kpi-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-bottom:16px}
.kpi-grid .kpi{display:flex;flex-direction:column;gap:4px;padding:15px 16px}
.kpi-grid .kpi span{font-size:11px;color:var(--muted)}
.kpi-grid .kpi b{font-size:21px;letter-spacing:-.5px}
.kpi-grid .kpi small{font-size:9.5px;color:var(--faint)}
.quick-card{display:flex;flex-direction:column;gap:4px;padding:18px;text-decoration:none;color:var(--ink)}
.quick-card b{font-size:13px}
.quick-card span{font-size:10.5px;color:var(--muted)}
.grid.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.three-col{grid-template-columns:1fr}}
@media(max-width:600px){.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* publish */
.publish-steps{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--line);border-radius:9px;padding:16px 22px;margin-bottom:16px}
.ps-item{display:grid;grid-template-columns:26px 1fr;grid-template-rows:auto auto;column-gap:9px;align-items:center;opacity:.55}
.ps-item.active{opacity:1}
.ps-item b{grid-row:1/3;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:11px}
.ps-item span{font-size:12px;font-weight:600;color:var(--ink)}
.ps-item small{font-size:9.5px;color:var(--faint)}
.ps-line{flex:1;height:1px;background:var(--line);margin:0 16px}
.publish-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:16px}
.publish-result{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.publish-result div{background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:12px;text-align:center}
.publish-result b{display:block;font-size:18px;letter-spacing:-.4px}
.publish-result span{font-size:9.5px;color:var(--faint)}
@media(max-width:1000px){.publish-layout{grid-template-columns:1fr}.publish-steps{overflow:auto}}
@media(max-width:640px){.publish-steps{display:none}.publish-result{grid-template-columns:1fr 1fr}}

.conv-item{display:flex;align-items:center;gap:6px;width:100%}
.conv-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}
.conv-del{opacity:0;color:var(--faint);font-size:14px;padding:0 4px}
.conv-item:hover .conv-del{opacity:1}
.conv-del:hover{color:var(--bad)}

/* platform control */
.control-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}
.control-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:16px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:3px}
.cc-label{font-size:11px;color:var(--muted)}
.cc-value{font-size:22px;letter-spacing:-.5px;font-weight:650}
.cc-value.ok{color:var(--ok)}
.cc-sub{font-size:10.5px;color:var(--faint)}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:5px;box-shadow:0 0 7px var(--ok)}
.control-help{font-size:12px;color:var(--muted);line-height:1.75;margin:0 0 14px}
.control-actions{display:flex;gap:8px;flex-wrap:wrap}
.control-actions .btn{text-decoration:none}
.kbd-hint{margin-top:13px;font-size:10.5px;color:var(--faint);line-height:1.7;border-top:1px solid var(--line);padding-top:11px}
.kv{display:flex;justify-content:space-between;font-size:12px;padding:8px 0;border-bottom:1px solid #f2f3f6}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted)}
.danger-zone{border-color:#f0cdd1}
.danger-head{display:flex;align-items:center;gap:20px}
.danger-head b{font-size:14px;color:#982330}
.danger-head p{font-size:11.5px;color:var(--muted);margin:4px 0 0;line-height:1.65}
.danger-head .btn{margin-left:auto;flex:none}
.shutdown-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:90px 20px;background:#fff;border:1px solid var(--line);border-radius:10px}
.shutdown-icon{width:54px;height:54px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:24px;margin-bottom:16px}
.shutdown-screen h2{margin:0 0 8px;font-size:22px}
.shutdown-screen p{margin:0;color:var(--muted);font-size:12px;max-width:460px;line-height:1.8}
@media (max-width:1100px){.control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.control-grid{grid-template-columns:1fr}.danger-head{flex-direction:column;align-items:flex-start}.danger-head .btn{margin-left:0}}

/* permission dialog */
.perm-head{display:flex;gap:13px;align-items:flex-start;margin-bottom:16px}
.perm-icon{width:40px;height:40px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;font-size:18px;flex:none}
.perm-head b{font-size:15px}
.perm-head p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.65}
.perm-options{display:flex;flex-direction:column;gap:8px}
.perm-options button{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:9px;padding:11px 13px;cursor:pointer}
.perm-options button:hover{border-color:var(--brand);background:#fffafa}
.perm-options button b{font-size:12.5px;color:var(--ink)}
.perm-options button span{font-size:11px;color:var(--muted)}
.perm-options button:disabled{opacity:.5;cursor:not-allowed}

/* modal & toast */
.overlay{position:fixed;inset:0;background:rgba(12,15,22,.46);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:15px;width:min(520px,100%);max-height:86vh;overflow:auto;box-shadow:0 24px 80px rgba(0,0,0,.3)}
.modal.wide{width:min(720px,100%)}
.modal-h{display:flex;align-items:center;gap:10px;padding:17px 20px;border-bottom:1px solid var(--line)}
.modal-h h3{margin:0;font-size:15px}
.modal-h .spacer{flex:1}
.modal-b{padding:20px}
.modal-f{display:flex;justify-content:flex-end;gap:9px;padding:14px 20px;border-top:1px solid var(--line);background:#fafbfc;border-radius:0 0 15px 15px}
.toasts{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:9px;z-index:200}
.toast{background:#14161c;color:#fff;padding:11px 15px;border-radius:10px;font-size:12.5px;box-shadow:0 10px 30px rgba(0,0,0,.25);animation:slideIn .18s ease;max-width:360px}
.toast.ok{background:#15803d}
.toast.err{background:#b91c1c}
@keyframes slideIn{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}

/* responsive */
.mobile-toggle{display:none}
@media (max-width:1180px){
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col{grid-template-columns:1fr}
  .dash-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .auth-mobile-logo{display:block}
  .chat-layout{grid-template-columns:1fr}
  .conv-rail{display:none}
  .auth{grid-template-columns:1fr}
  .auth-left{display:none}
  .sidebar{transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .mobile-toggle{display:inline-flex}
  .page{padding:18px 16px 40px}
  .form-grid{grid-template-columns:1fr}
  .config-layout{grid-template-columns:1fr}
  .config-nav{position:static;display:flex;overflow:auto}
  .config-nav button{white-space:nowrap}
  .dash-grid{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .topbar{padding:0 14px}
  .page-head h2{font-size:19px}
  .balance-pill{display:none}
}
@media (max-width:520px){
  .kpis{grid-template-columns:1fr}
  .api-key-row{flex-direction:column;align-items:flex-start}
}