:root{--bg: #0f1220;--panel: #191d2e;--panel-2: #222840;--text: #e8eaf2;--muted: #9aa1b8;--accent: #5b8cff;--accent-2: #3a6bf0;--ok: #2fbf71;--err: #ff5f6d;--border: #2b3150;--radius: 12px;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel);position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:1.1rem;color:var(--text)}.topbar nav{display:flex;gap:18px;align-items:center}.content{max-width:860px;margin:0 auto;padding:28px 20px 80px}h1{font-size:1.6rem;margin:.2em 0 .6em}h2{font-size:1.15rem;margin:0 0 .5em}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:18px}.card.narrow{max-width:420px;margin:40px auto}.card.row{display:flex;gap:10px;align-items:center}.card.highlight,.highlight{border-color:var(--accent);background:var(--panel-2)}section.card h2{margin-top:0}input,button,textarea{font:inherit;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:10px 12px}input:focus{outline:2px solid var(--accent)}label{display:block;margin-bottom:12px;font-size:.92rem;color:var(--muted)}label input{display:block;width:100%;margin-top:4px;color:var(--text)}button{cursor:pointer;background:var(--accent-2);border-color:transparent;color:#fff;font-weight:600;padding:10px 16px}button:hover{background:var(--accent)}button:disabled{opacity:.6;cursor:default}button.link{background:none;border:none;color:var(--accent);padding:4px 0;font-weight:500}button.link:hover{text-decoration:underline}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center;padding:60px}.error{color:var(--err);margin:8px 0;font-size:.9rem}.ok{color:var(--ok);margin:8px 0;font-size:.9rem}.shop-list{list-style:none;padding:0}.shop-list li{display:flex;justify-content:space-between;align-items:center}.shop-name{font-weight:600;font-size:1.05rem}.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border)}.kv span{color:var(--muted)}.secret{background:#0c0f1a;border:1px solid var(--border);border-radius:8px;padding:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-all;color:#a8ffcf}.code{background:#0c0f1a;border:1px solid var(--border);border-radius:8px;padding:14px;overflow-x:auto;font-family:ui-monospace,monospace;font-size:.85rem}.events{display:flex;flex-wrap:wrap;gap:14px;margin:10px 0}.checkbox{display:flex;align-items:center;gap:6px;color:var(--text);margin:0}.checkbox input{width:auto;margin:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:.9rem}th{color:var(--muted);font-weight:500}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.78rem;font-weight:600}.badge.succeeded{background:#2fbf712e;color:var(--ok)}.badge.pending,.badge.waiting_for_capture{background:#5b8cff2e;color:var(--accent)}.badge.canceled{background:#ff5f6d2e;color:var(--err)}.badge.test{background:#ffc1542e;color:#ffc154;letter-spacing:.04em}.checkout-page{color-scheme:light;--co-bg-1: #eef2fb;--co-bg-2: #f7f5ff;--co-card: #ffffff;--co-ink: #1a2233;--co-ink-soft: #66708a;--co-line: #e7eaf3;--co-line-focus: #6b8afd;--co-accent: #5b7cfa;--co-accent-2: #7a5cf0;--co-ok: #16a36a;--co-fail: #e5484d;position:fixed;top:0;right:0;bottom:0;left:0;overflow-y:auto;display:flex;align-items:center;justify-content:center;padding:32px 18px;background:radial-gradient(1100px 600px at 15% -10%,#dfe7ff 0%,transparent 55%),radial-gradient(900px 600px at 110% 10%,#f3e9ff 0%,transparent 50%),linear-gradient(160deg,var(--co-bg-1),var(--co-bg-2));color:var(--co-ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.checkout-page .co-card{width:100%;max-width:420px;background:var(--co-card);border-radius:24px;padding:30px 28px 22px;box-shadow:0 1px 2px #141e3c0a,0 20px 48px -12px #28376e38;animation:co-rise .45s cubic-bezier(.2,.8,.2,1) both}@keyframes co-rise{0%{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}.checkout-page .co-head{text-align:center;margin-bottom:24px}.checkout-page .co-pill{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--co-accent-2);background:#7a5cf01a;padding:5px 12px;border-radius:999px}.checkout-page .co-amount{font-size:2.6rem;font-weight:750;letter-spacing:-.02em;margin-top:14px;line-height:1.1}.checkout-page .co-cur{font-size:1.3rem;font-weight:600;color:var(--co-ink-soft)}.checkout-page .co-desc{color:var(--co-ink-soft);margin-top:6px;font-size:.95rem}.checkout-page .co-form{display:flex;flex-direction:column;gap:16px}.checkout-page .co-field{display:flex;flex-direction:column;gap:7px;flex:1}.checkout-page .co-label{font-size:.8rem;font-weight:600;color:var(--co-ink-soft);padding-left:2px}.checkout-page .co-row{display:flex;gap:14px}.checkout-page .co-input-wrap{position:relative;display:flex;align-items:center}.checkout-page input{width:100%;font-size:1.02rem;color:var(--co-ink);background:#fbfcff;border:1.5px solid var(--co-line);border-radius:13px;padding:14px 15px;transition:border-color .15s,box-shadow .15s,background .15s;font-variant-numeric:tabular-nums;letter-spacing:.02em}.checkout-page input::placeholder{color:#aab2c6;letter-spacing:normal}.checkout-page input:focus{outline:none;background:#fff;border-color:var(--co-line-focus);box-shadow:0 0 0 4px #6b8afd29}.checkout-page .co-brand{position:absolute;right:13px;font-size:.72rem;font-weight:700;letter-spacing:.03em;color:var(--co-accent);background:#5b7cfa1a;padding:4px 9px;border-radius:7px;pointer-events:none}.checkout-page .co-pay{margin-top:6px;width:100%;border:none;border-radius:14px;padding:15px;font-size:1.02rem;font-weight:650;color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--co-accent),var(--co-accent-2));box-shadow:0 8px 20px -6px #5b5cf080;transition:transform .12s ease,box-shadow .12s ease,filter .12s ease;min-height:52px;display:flex;align-items:center;justify-content:center}.checkout-page .co-pay:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 12px 26px -8px #5b5cf08c}.checkout-page .co-pay:active{transform:translateY(0)}.checkout-page .co-pay:disabled{opacity:.75;cursor:default;transform:none}.checkout-page .co-error{color:var(--co-fail);font-size:.9rem;background:#e5484d14;border-radius:10px;padding:10px 12px}.checkout-page .co-result,.checkout-page .co-message{text-align:center;padding:18px 6px 8px}.checkout-page .co-message{padding:40px 10px}.checkout-page .co-emoji{font-size:3rem;line-height:1;margin-bottom:12px}.checkout-page .co-result-text{font-size:1.12rem;font-weight:600;margin:4px 0 14px}.checkout-page .co-result.fail .co-result-text{color:var(--co-fail)}.checkout-page .co-result.ok .co-result-text{color:var(--co-ok)}.checkout-page .co-return{display:inline-block;color:var(--co-accent);font-weight:600;text-decoration:none}.checkout-page .co-return:hover{text-decoration:underline}.checkout-page .co-muted{color:var(--co-ink-soft)}.checkout-page .co-testcards{margin-top:22px;border-top:1px solid var(--co-line);padding-top:14px}.checkout-page .co-testcards summary{cursor:pointer;color:var(--co-ink-soft);font-size:.9rem;font-weight:600;list-style:none;-webkit-user-select:none;user-select:none}.checkout-page .co-testcards summary::-webkit-details-marker{display:none}.checkout-page .co-testcards summary:before{content:"▸ ";color:var(--co-accent)}.checkout-page .co-testcards[open] summary:before{content:"▾ "}.checkout-page .co-tc-group{margin-top:12px}.checkout-page .co-tc-title{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--co-ink-soft);margin-bottom:6px}.checkout-page .co-tc-item{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;cursor:pointer;background:#f7f8fc;border:1px solid var(--co-line);border-radius:11px;padding:9px 12px;margin-bottom:7px;transition:background .12s,border-color .12s}.checkout-page .co-tc-item:hover{background:#eef1fb;border-color:#d3d9ec}.checkout-page .co-tc-item code{font-size:.9rem;color:var(--co-ink);background:none}.checkout-page .co-tc-tag{font-size:.72rem;font-weight:600;padding:3px 8px;border-radius:999px;white-space:nowrap}.checkout-page .co-tc-tag.ok{color:var(--co-ok);background:#16a36a1f}.checkout-page .co-tc-tag.fail{color:var(--co-fail);background:#e5484d1a}.checkout-page .co-footer{text-align:center;margin-top:18px;font-size:.78rem;color:#9aa3ba}.checkout-page .co-spinner,.checkout-page .co-btn-spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid rgba(91,124,250,.25);border-top-color:var(--co-accent);animation:co-spin .7s linear infinite}.checkout-page .co-btn-spinner{border-color:#ffffff73;border-top-color:#fff}.checkout-page .co-spinner{margin:0 auto 14px}@keyframes co-spin{to{transform:rotate(360deg)}}@media(max-width:460px){.checkout-page .co-card{padding:24px 18px 18px;border-radius:20px}.checkout-page .co-amount{font-size:2.2rem}}.docs h2{margin-top:1.4em}.docs code{background:var(--panel-2);padding:1px 5px;border-radius:4px}.callout{background:#ffc1541a;border:1px solid rgba(255,193,84,.4);border-left:3px solid #ffc154;border-radius:8px;padding:10px 14px;margin:12px 0;font-size:.92rem}.callout code{background:#00000059;padding:1px 5px;border-radius:4px}