/* Public try page. Same palette as the control panel; self-contained because it is served without the login (CSP: no inline styles). */
@font-face{font-family:'nb';src:url('/try/nb.woff2') format('woff2');font-weight:700;font-display:swap}
:root{--bg:#f6f7fb;--surface:#fff;--ink:#101828;--ink2:#475467;--dim:#667085;--line:#e4e7ec;--line2:#f0f2f6;--accent:#4951B7;--accent-d:#3c43a0;--accent-bg:#eef0fc;--ok:#0e9f6e;--bad:#d92d20;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.bar{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.bar-in{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none!important;font:700 17px/1 'nb',var(--sans);letter-spacing:2.5px}
.links{display:flex;align-items:center;gap:18px;font-size:14px}.links a:not(.btn){color:var(--ink2)}.links a:not(.btn):hover{color:var(--ink);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:7px;padding:9px 16px;cursor:pointer;font:500 14px var(--sans);transition:background .15s var(--ease),transform .1s,border-color .15s;text-decoration:none!important}
.btn:hover{background:#263045}.btn:active{transform:scale(.98)}.btn[disabled]{opacity:.55;pointer-events:none}
.btn.primary{background:var(--accent);border-color:var(--accent)}.btn.primary:hover{background:var(--accent-d);border-color:var(--accent-d)}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn.ghost:hover{background:#f4f5fa}
.btn.sm{padding:6px 12px;font-size:13px}
main{flex:1;padding-bottom:40px}
.intro{padding:40px 0 22px}
.pill{display:inline-flex;align-items:center;gap:8px;font:500 13px var(--sans);padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink2)}
.dot{width:8px;height:8px;border-radius:50%;background:#d0d5dd;display:inline-block}.pill.on .dot{background:var(--ok)}.pill.off .dot{background:var(--bad)}
h1{font:600 clamp(28px,4vw,40px)/1.15 var(--sans);letter-spacing:-.02em;margin:14px 0 10px}
.lede{max-width:640px;color:var(--ink2);font-size:17px}
.cols{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:20px;align-items:start}
.side{display:flex;flex-direction:column;gap:20px;min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:0 1px 2px rgba(16,24,40,.05);min-width:0}
.card-h{display:flex;align-items:center;gap:10px;margin-bottom:14px}.card-h b{font-weight:600;font-size:15px}.card-h .left{margin-left:auto;font-size:13px;color:var(--dim)}
.card-h .left+.btn{margin-left:0}
.msgs{display:flex;flex-direction:column;gap:14px;min-height:300px;max-height:min(56vh,520px);overflow-y:auto;padding:2px 4px 2px 0;scroll-behavior:smooth}
.empty{margin:auto;text-align:center;color:var(--dim);padding:20px 0}
.chips{display:flex;flex-direction:column;gap:8px;margin-top:14px;align-items:center}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px;font:14px var(--sans);color:var(--ink2);cursor:pointer;transition:.15s var(--ease);max-width:100%;text-align:left}
.chip:hover{border-color:var(--accent);color:var(--accent-d);background:var(--accent-bg)}
.m{max-width:86%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;overflow-wrap:anywhere;animation:rise .2s var(--ease) both;line-height:1.6}
.m.u{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.m.a{align-self:flex-start;background:var(--bg);border:1px solid var(--line);border-bottom-left-radius:4px}
.m.err{background:#fef3f2;border-color:#fecdca;color:#912018}
.m .cur{display:inline-block;width:7px;height:1em;background:var(--accent);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(2) infinite}
.meta{align-self:flex-start;margin:-6px 0 0 4px;font-size:12px;color:var(--dim)}
.composer{display:flex;gap:10px;align-items:flex-end;margin-top:14px}
textarea{flex:1;resize:none;border:1px solid #d0d5dd;border-radius:9px;padding:10px 12px;font:15px/1.5 var(--sans);color:var(--ink);outline:none;max-height:140px;transition:border-color .15s,box-shadow .15s}
textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(73,81,183,.16)}textarea::placeholder{color:#98a2b3}
.fine{font-size:12px;color:var(--dim);margin-top:12px}
.kv .r{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line2);font-size:14px}.kv .r:last-child{border:0}
.kv .k{color:var(--dim)}.kv .v{text-align:right;overflow-wrap:anywhere}.kv .good{color:var(--ok);font-weight:600}
.muted{color:var(--dim)}.small{font-size:13px}.card p.small{margin:10px 0 0}
.code{position:relative;background:#0f172a;border-radius:8px;margin-top:12px}.code pre{padding:14px 16px;overflow-x:auto;color:#c7d2fe;font:12.5px/1.7 var(--mono)}
.copy{position:absolute;top:8px;right:8px;background:transparent;border:1px solid #2c3d73;border-radius:5px;color:#a9b6e6;font:12px var(--sans);padding:2px 9px;cursor:pointer}.copy:hover{background:#1c2b5c;color:#fff}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:18px;padding-bottom:26px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}.foot a{color:var(--dim)}.foot a:hover{color:var(--ink)}
@keyframes rise{from{opacity:0;transform:translateY(6px)}}@keyframes blink{50%{opacity:0}}
@media(max-width:900px){.cols{grid-template-columns:minmax(0,1fr)}.links a:not(.btn){display:none}.wrap{padding:0 16px}.intro{padding-top:28px}.m{max-width:94%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.msgs{scroll-behavior:auto}}
[hidden]{display:none!important}