:root{--navy:#0d1526;--ink:#172033;--muted:#6b778c;--line:#e5eaf2;--bg:#f4f6fa;--accent:#00a884;--danger:#d92d4a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:14px}
h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}h3{font-size:14px;margin:18px 0 6px}
.muted{color:var(--muted)}.loading{padding:40px;text-align:center;color:var(--muted)}small.hint{display:block;color:var(--muted);font-size:11.5px;margin-top:4px}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0;border-radius:9px;padding:9px 14px;background:#e9eef5;color:var(--ink);font-weight:600}
button.primary{background:var(--accent);color:#fff}button.danger{background:#fde8ec;color:var(--danger)}button.ghost{background:transparent;border:1px solid var(--line)}button:disabled{opacity:.5;cursor:default}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid #d9e0ea;border-radius:9px;background:#fff;color:var(--ink)}
label{display:block;font-size:12px;font-weight:600;margin:12px 0 5px}
.shell{display:grid;grid-template-columns:210px 1fr;min-height:100dvh}
.side{background:var(--navy);color:#b6c2d6;padding:22px 12px;display:flex;flex-direction:column;gap:4px}
.brand{color:#fff;font-size:19px;font-weight:800;padding:0 10px 18px}.brand b{color:var(--accent)}
.side button{background:none;color:#b6c2d6;text-align:left;font-weight:500;padding:9px 10px}.side button.on{background:#ffffff14;color:#fff;box-shadow:inset 3px 0 var(--accent)}
.side footer{margin-top:auto;padding:14px 10px 0;font-size:12px}.side footer button{padding:6px 0;color:#8fa0bb}
.main{padding:24px 28px;min-width:0}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:16px}
.kpi small{color:var(--muted);font-size:12px}.kpi strong{display:block;font-size:24px;letter-spacing:-.5px;margin:4px 0}.kpi span{color:var(--muted);font-size:11.5px}
.kpi.alert{border-color:#f3b4c4;background:#fff5f7}
.cards{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}.cards>.card{flex:1 1 380px;max-width:640px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:10px 9px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500;white-space:nowrap}
td small{color:var(--muted)}td.num,th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.pill{display:inline-block;font-size:11px;font-weight:700;border-radius:10px;padding:2px 8px;background:#eef1f6;color:#51607a;white-space:nowrap}
.pill.paid,.pill.delivered,.pill.active{background:#dff5ec;color:#087e66}.pill.pending,.pill.processing,.pill.creating{background:#fff1cc;color:#936515}.pill.failed,.pill.unknown,.pill.disabled{background:#fde8ec;color:#be123c}.pill.expired{background:#eef1f6;color:#6b778c}
.neg{color:var(--danger)}.pos{color:#087e66}
.login{max-width:380px;margin:12vh auto;padding:28px}.login .brand{color:var(--ink);padding:0 0 6px}
.overlay{position:fixed;inset:0;background:#0d152699;display:grid;place-items:center;padding:20px;z-index:50}.overlay .card{width:min(520px,100%);max-height:92dvh;overflow:auto}
.secret{font-family:ui-monospace,Menlo,monospace;font-size:12px;background:#f4f6fa;border:1px solid var(--line);border-radius:8px;padding:8px 10px;overflow-wrap:anywhere;margin-top:4px}
pre{background:#0d1526;color:#d7e0ee;border-radius:10px;padding:12px 14px;overflow:auto;font-size:12px;line-height:1.5}code{font-family:ui-monospace,Menlo,monospace;font-size:12px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:99;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}
body.pay{display:grid;place-items:center;min-height:100dvh;padding:16px;background:#eef2f7}
.pay-card{background:#fff;border-radius:18px;padding:26px 22px;width:min(400px,100%);text-align:center;box-shadow:0 10px 40px #10204018}
.pay-merchant{color:var(--muted);margin:0}.pay-amount{font-size:34px;font-weight:800;margin:6px 0 10px;letter-spacing:-1px}
.pay-qr{width:220px;max-width:100%;margin:8px auto;display:block}.pay-card textarea{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;resize:none;margin:10px 0}
.pay-card button{width:100%;padding:13px}.pay-state{border-radius:12px;padding:16px;font-weight:700;font-size:17px;margin:14px 0}.pay-state.ok{background:#dff5ec;color:#087e66}.pay-state.bad{background:#fde8ec;color:#be123c}
.pay-wait{color:var(--muted);font-size:13px;margin:14px 0 0}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#f5a524;margin-right:7px;animation:blink 1.2s infinite}@keyframes blink{50%{opacity:.25}}
@media(max-width:800px){.shell{grid-template-columns:1fr}.side{flex-direction:row;flex-wrap:wrap;padding:10px}.brand{padding:4px 10px;width:100%}.side footer{margin:0;width:100%}.main{padding:16px}.pair{grid-template-columns:1fr}}
.pay-langs{font-size:12px;color:#7a879b;margin:14px 0 0}.pay-langs a{color:#7a879b}