:root{--bg:#f5f6f8;--card:#fff;--ink:#1d2433;--muted:#6b7385;--line:#e3e6ec;--brand:#2453d6;--brand-ink:#fff;--ok:#1a8a4a;--warn:#b26a00;--bad:#c62d2d;--info:#2453d6;--r:10px}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand)}
main{max-width:1100px;margin:0 auto;padding:24px 16px 48px}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px}
.brand{font-weight:800;font-size:20px;text-decoration:none;color:var(--ink)}.brand span{color:var(--brand)}
.top nav{display:flex;gap:16px;align-items:center}.top nav a{text-decoration:none;color:var(--ink)}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:24px}
h1{font-size:24px;margin:0 0 8px}h2{font-size:20px;margin:0}h3{font-size:16px;margin:20px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px}
.card.narrow{max-width:640px;margin:0 auto 16px}.center{text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(380px,1fr))}
.head-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.prop{text-decoration:none;color:inherit;transition:box-shadow .15s}.prop:hover{box-shadow:0 4px 18px rgba(0,0,0,.08)}
.prop-head{display:flex;justify-content:space-between;align-items:center}.prop h3{margin:0}
dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:8px 0}dt{color:var(--muted)}dd{margin:0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}.stat span{display:block;color:var(--muted);font-size:13px}.stat b{font-size:22px}.stat.bad b{color:var(--bad)}
.muted{color:var(--muted)}.small{font-size:13px}.right{text-align:right}.ok-text{color:var(--ok);font-weight:600}
.btn{display:inline-block;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;cursor:pointer;font:inherit}
.btn:hover{border-color:#c5cad4}.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn.danger{color:var(--bad)}.btn.small{padding:4px 10px;font-size:13px}
button.link{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;padding:0}
form.inline{display:inline}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:12px;align-items:flex-end}.row>label{flex:1}.row.wrap{flex-wrap:wrap}.row.tight{gap:6px}
label{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:500}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%}
.row.tight input{width:auto}
table{width:100%;border-collapse:collapse;margin:8px 0}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}th{font-size:13px;color:var(--muted);font-weight:600}
tr.total td{font-weight:700;border-top:2px solid var(--ink)}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:99px;font-weight:600;white-space:nowrap}
.badge.ok{background:#e3f5ea;color:var(--ok)}.badge.warn{background:#fff2dc;color:var(--warn)}.badge.bad{background:#fde6e6;color:var(--bad)}.badge.info{background:#e5ecff;color:var(--info)}
.flash{padding:12px 16px;border-radius:var(--r);margin-bottom:16px}.flash.ok{background:#e3f5ea;color:#11592f}.flash.error{background:#fde6e6;color:#8a1d1d}
.demo{background:#fff8e1;border:1px dashed #e0b84a;padding:8px 12px;border-radius:8px;margin-bottom:16px;font-size:13px}
.callout{background:#eef3ff;border-radius:8px;padding:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}.tabs a.on{color:var(--ink);border-color:var(--brand);font-weight:600}
.chat{display:flex;flex-direction:column;gap:10px}
.msg{max-width:75%;background:#f0f2f6;border-radius:12px;padding:8px 12px}.msg.mine{align-self:flex-end;background:#e5ecff}
.msg .meta{font-size:12px;color:var(--muted)}.msg .body{white-space:pre-wrap}
.send{display:flex;gap:8px;align-items:flex-end;margin-top:8px}.send textarea{flex:1}
.blik{border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:16px 0;display:flex;flex-direction:column;gap:12px}
.blik-logo{font-weight:900;letter-spacing:1px;background:#000;color:#fff;display:inline-block;padding:2px 10px;border-radius:6px;align-self:flex-start}
.blik-logo.big{font-size:26px;padding:4px 16px;margin-bottom:12px}
.blik-code{font-size:28px;letter-spacing:8px;text-align:center;font-variant-numeric:tabular-nums}
.amount{font-size:28px;font-weight:700;margin:4px 0}
.preview{background:#f8f9fb;border-radius:8px;padding:8px 12px}
.empty{text-align:center;padding:40px}
.spinner{width:36px;height:36px;border:4px solid var(--line);border-top-color:var(--brand);border-radius:50%;margin:12px auto;animation:s 1s linear infinite}@keyframes s{to{transform:rotate(360deg)}}
@media(max-width:600px){.row{flex-direction:column;align-items:stretch}.grid.two{grid-template-columns:1fr}.msg{max-width:90%}}