/* Sentrace platform — single stylesheet, no build step. Clean white + navy. */
:root{
  --bg:#f6f7f9;--surface:#fff;--line:#e5e7eb;--line-2:#d1d5db;
  --ink:#0f172a;--ink-2:#475569;--ink-3:#94a3b8;
  --navy:#1e293b;--accent:#2563eb;--accent-2:#1d4ed8;--accent-soft:#eff6ff;
  --ok:#15803d;--ok-soft:#ecfdf5;--warn:#b45309;--warn-soft:#fffbeb;--bad:#b91c1c;--bad-soft:#fef2f2;
  --radius:10px;--shadow:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}html{font-size:15px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5rem;font-weight:600;line-height:1.25}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}h4{font-size:.9rem;color:var(--ink-2)}
p{margin:0 0 .75rem}small,.muted{color:var(--ink-2)}.faint{color:var(--ink-3)}.mono{font-family:var(--mono);font-size:.85em}
code,pre{font-family:var(--mono);font-size:.85em}pre{background:#0f172a;color:#e2e8f0;padding:.75rem 1rem;border-radius:8px;overflow:auto}
code.inline{background:#f1f5f9;padding:.1em .4em;border-radius:4px}
hr{border:0;border-top:1px solid var(--line);margin:1rem 0}

/* shell */
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{background:var(--navy);color:#cbd5e1;padding:1rem .75rem;position:sticky;top:0;height:100vh;overflow:auto}
.side .brand{display:flex;align-items:center;gap:.5rem;color:#fff;font-weight:700;font-size:1.1rem;padding:.25rem .5rem .9rem}
.side .brand .dot{width:10px;height:10px;border-radius:50%;background:#60a5fa;box-shadow:0 0 0 3px rgba(96,165,250,.25)}
.side .ws{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:.5rem .6rem;margin-bottom:.9rem}
.side .ws select{width:100%;background:transparent;color:#fff;border:0;font-weight:600;font-size:.92rem;outline:none}
.side .ws select option{color:#0f172a}
.side .ws small{display:block;color:#94a3b8;font-size:.75rem}
.side nav a{display:flex;align-items:center;gap:.55rem;padding:.48rem .6rem;border-radius:7px;color:#cbd5e1;font-size:.92rem}
.side nav a:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.side nav a.active{background:rgba(96,165,250,.18);color:#fff}
.side nav .sec{font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:#64748b;padding:.9rem .6rem .3rem}
.side nav .badge{margin-left:auto}
.side .foot{margin-top:1rem;padding:.6rem;font-size:.8rem;color:#94a3b8;border-top:1px solid rgba(255,255,255,.08)}
.main{min-width:0}
.topbar{display:flex;align-items:center;gap:1rem;padding:.8rem 1.5rem;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{font-size:1.15rem;margin:0}.topbar .sp{flex:1}
.content{padding:1.5rem;max-width:1400px}
.content.wide{max-width:none}

/* cards + grid */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.1rem 1.25rem;margin-bottom:1rem}
.card.tight{padding:.75rem 1rem}.card h2,.card h3{margin-top:0}
.card .head{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.card .head .sp{flex:1}
.grid{display:grid;gap:1rem}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.shell{grid-template-columns:1fr}.side{position:relative;height:auto}.g2,.g3,.g4{grid-template-columns:1fr}.content{padding:1rem}}
.stat{padding:.9rem 1rem}.stat .k{font-size:.78rem;color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em}.stat .v{font-size:1.6rem;font-weight:700;margin:.15rem 0}.stat .d{font-size:.8rem;color:var(--ink-2)}
.stat.good .v{color:var(--ok)}.stat.warn .v{color:var(--warn)}.stat.bad .v{color:var(--bad)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;font-weight:600;color:var(--ink-2);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;padding:.5rem .6rem;border-bottom:1px solid var(--line)}
td{padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}tr.click{cursor:pointer}tr.click:hover td{background:#f8fafc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:2rem;text-align:center;color:var(--ink-3)}

/* forms */
label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-2);margin-bottom:.25rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=date],input[type=datetime-local],input[type=time],select,textarea{
  width:100%;padding:.5rem .65rem;border:1px solid var(--line-2);border-radius:7px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}
textarea{min-height:110px;resize:vertical}
.field{margin-bottom:.9rem}.field .help{font-size:.8rem;color:var(--ink-3);margin-top:.25rem}
.row{display:flex;gap:.75rem;align-items:flex-end}.row>*{flex:1}
.check{display:flex;gap:.5rem;align-items:center;font-weight:500;color:var(--ink)}
.check input{width:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border-radius:7px;border:1px solid var(--line-2);background:#fff;color:var(--ink);font:inherit;font-weight:600;font-size:.88rem;cursor:pointer;text-decoration:none!important;line-height:1.2}
.btn:hover{background:#f8fafc}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-2)}
.btn.danger{color:var(--bad);border-color:#fecaca}.btn.danger:hover{background:var(--bad-soft)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.sm{padding:.3rem .6rem;font-size:.8rem}.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:#f1f5f9}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}

/* badges + alerts */
.badge{display:inline-block;padding:.12em .55em;border-radius:999px;font-size:.74rem;font-weight:600;background:#e2e8f0;color:#334155;white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.bad{background:var(--bad-soft);color:var(--bad)}.badge.info{background:var(--accent-soft);color:var(--accent-2)}.badge.navy{background:var(--navy);color:#fff}
.alert{padding:.7rem 1rem;border-radius:8px;border:1px solid;margin-bottom:1rem;font-size:.9rem}
.alert.ok{background:var(--ok-soft);border-color:#bbf7d0;color:#166534}.alert.warn{background:var(--warn-soft);border-color:#fde68a;color:#92400e}.alert.bad{background:var(--bad-soft);border-color:#fecaca;color:#991b1b}.alert.info{background:var(--accent-soft);border-color:#bfdbfe;color:#1e40af}

/* tabs */
.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--line);margin-bottom:1rem}
.tabs a{padding:.5rem .8rem;border-bottom:2px solid transparent;color:var(--ink-2);font-weight:600;font-size:.9rem}
.tabs a.active{color:var(--accent);border-color:var(--accent)}.tabs a:hover{text-decoration:none;color:var(--ink)}

/* steps (wizard) */
.steps{display:flex;flex-direction:column;gap:0}
.step{display:grid;grid-template-columns:36px 1fr;gap:.75rem;padding:.9rem 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step .n{width:30px;height:30px;border-radius:50%;background:#e2e8f0;color:#334155;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}
.step.done .n{background:var(--ok);color:#fff}.step.cur .n{background:var(--accent);color:#fff}.step.fail .n{background:var(--bad);color:#fff}
.step .t{font-weight:600}.step .where{font-size:.72rem;font-weight:700;letter-spacing:.05em;padding:.1em .45em;border-radius:4px;margin-left:.4rem;vertical-align:middle}
.where.P{background:#fde68a;color:#78350f}.where.W{background:#bfdbfe;color:#1e3a8a}
.step .body{color:var(--ink-2);font-size:.9rem;margin-top:.25rem}
.step .body ol{padding-left:1.2rem;margin:.4rem 0}
.copyable{display:inline-flex;align-items:center;gap:.4rem;background:#f1f5f9;border:1px solid var(--line);border-radius:6px;padding:.25rem .5rem;font-family:var(--mono);font-size:.82rem;max-width:100%;overflow:hidden}
.copyable button{border:0;background:transparent;cursor:pointer;color:var(--accent);font-weight:600;font-family:var(--font);font-size:.78rem}

/* inbox */
.inbox{display:grid;grid-template-columns:320px 1fr 300px;height:calc(100vh - 56px)}
.inbox .list{border-right:1px solid var(--line);overflow:auto;background:#fff}
.inbox .list a.item{display:block;padding:.7rem .9rem;border-bottom:1px solid var(--line);color:var(--ink)}
.inbox .list a.item:hover{background:#f8fafc;text-decoration:none}.inbox .list a.item.active{background:var(--accent-soft)}
.item .top{display:flex;justify-content:space-between;gap:.5rem}.item .name{font-weight:600}.item .time{font-size:.75rem;color:var(--ink-3)}
.item .prev{font-size:.83rem;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:.15rem}
.item .meta{display:flex;gap:.35rem;margin-top:.3rem}
.thread{display:flex;flex-direction:column;min-width:0;background:#f6f7f9}
.thread .hd{padding:.7rem 1rem;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:.75rem}
.thread .msgs{flex:1;overflow:auto;padding:1rem;display:flex;flex-direction:column;gap:.5rem}
.msg{max-width:72%;padding:.55rem .8rem;border-radius:12px;font-size:.92rem;white-space:pre-wrap;word-wrap:break-word}
.msg.in{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.out{align-self:flex-end;background:#dbeafe;border-bottom-right-radius:4px}
.msg.out.agent{background:#ede9fe}.msg.sys{align-self:center;background:transparent;color:var(--ink-3);font-size:.78rem}
.msg .m{display:block;font-size:.7rem;color:var(--ink-3);margin-top:.25rem}
.thread .compose{background:#fff;border-top:1px solid var(--line);padding:.75rem 1rem}
.thread .compose textarea{min-height:64px}
.suggest{background:#faf5ff;border:1px solid #e9d5ff;border-radius:10px;padding:.7rem .9rem;margin-bottom:.6rem}
.suggest .lbl{font-size:.72rem;font-weight:700;color:#6b21a8;text-transform:uppercase;letter-spacing:.05em}
.ctx{border-left:1px solid var(--line);overflow:auto;background:#fff;padding:1rem;font-size:.88rem}
.ctx h4{margin:1rem 0 .4rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.ctx h4:first-child{margin-top:0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.2rem .6rem;font-size:.85rem}.kv dt{color:var(--ink-3)}.kv dd{margin:0}
@media(max-width:1100px){.inbox{grid-template-columns:280px 1fr}.ctx{display:none}}

/* misc */
.prog{height:8px;background:#e2e8f0;border-radius:99px;overflow:hidden}.prog i{display:block;height:100%;background:var(--accent)}
.prog.ok i{background:var(--ok)}.prog.warn i{background:var(--warn)}
.pill-row{display:flex;gap:.4rem;flex-wrap:wrap}
.tl{list-style:none;padding:0;margin:0}.tl li{padding:.45rem 0;border-bottom:1px solid var(--line);font-size:.88rem;display:flex;gap:.6rem}.tl li:last-child{border-bottom:0}.tl .t{color:var(--ink-3);min-width:70px}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy)}
.login .box{background:#fff;padding:2rem;border-radius:14px;width:380px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.toast{position:fixed;right:1rem;bottom:1rem;background:#0f172a;color:#fff;padding:.6rem 1rem;border-radius:8px;font-size:.88rem;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50}.toast.show{opacity:1}
details summary{cursor:pointer;font-weight:600;color:var(--ink-2)}
.diag{border-left:3px solid var(--line-2);padding:.4rem .8rem;margin:.4rem 0}.diag.ok{border-color:var(--ok)}.diag.bad{border-color:var(--bad)}.diag.warn{border-color:var(--warn)}
.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .6rem;border:1px solid var(--line-2);border-radius:999px;font-size:.8rem;background:#fff}
.chip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-2)}
.bar{display:flex;align-items:center;gap:.6rem;font-size:.85rem}.bar .prog{flex:1}
.flow{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;font-size:.85rem}.flow .node{background:#fff;border:1px solid var(--line-2);border-radius:8px;padding:.35rem .6rem}.flow .arr{color:var(--ink-3)}
.flow .node.ok{border-color:var(--ok);background:var(--ok-soft)}.flow .node.bad{border-color:var(--bad);background:var(--bad-soft)}.flow .node.warn{border-color:var(--warn);background:var(--warn-soft)}