:root{--bg:#f6fbff;--card:#fff;--text:#102033;--muted:#6b7a8c;--line:#e7eef5;--primary:#126bff;--green:#13b981;--danger:#ef4444;--warn:#f59e0b;--shadow:0 14px 34px rgba(16,32,51,.08);--radius:22px}
*{box-sizing:border-box}html,body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 0%,#e9fff7,transparent 34%),radial-gradient(circle at 90% 0%,#eaf1ff,transparent 32%),var(--bg)}
a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;gap:9px;align-items:center;font-weight:900}.brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--green));color:#fff;display:grid;place-items:center;font-size:22px}.nav{display:flex;gap:12px;align-items:center;font-size:14px}.nav a:not(.btn){color:var(--muted)}.page{width:min(1120px,100%);margin:auto;padding:22px 16px 40px}.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center;padding:44px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eaf7ff;color:#0b61d8;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:800}.h1{font-size:clamp(34px,7vw,64px);line-height:1.02;margin:16px 0 12px;letter-spacing:-.05em}.lead{font-size:18px;color:var(--muted);line-height:1.6;max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn,button{border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary),#0aa6ff);color:#fff;padding:13px 18px;font-weight:900;cursor:pointer;box-shadow:0 12px 24px rgba(18,107,255,.19);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:none}.btn.success{background:linear-gradient(135deg,#0f9f6e,var(--green))}.btn.danger{background:var(--danger)}.btn.small{padding:9px 12px;border-radius:12px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card h3,.card h2{margin:0 0 8px}.muted{color:var(--muted)}.metric{font-size:28px;font-weight:950;letter-spacing:-.04em}.form-wrap{min-height:calc(100vh - 170px);display:grid;place-items:center}.form-card{width:min(470px,100%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:24px}.form-title{font-size:30px;line-height:1.1;margin:0 0 8px;letter-spacing:-.04em}.field{margin:14px 0}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}.input,select,textarea{width:100%;border:1px solid #dce6f1;background:#fff;border-radius:14px;padding:13px 14px;font-size:15px;outline:none}.input:focus,select:focus,textarea:focus{border-color:#7cb7ff;box-shadow:0 0 0 4px rgba(18,107,255,.09)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px 13px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{background:#f8fbff;color:#5b6b7d;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.badge{display:inline-flex;padding:6px 9px;border-radius:999px;font-size:12px;font-weight:900}.badge.pending{background:#fff7df;color:#9a6400}.badge.success{background:#e6fff4;color:#007a50}.badge.failed,.badge.expired{background:#ffecec;color:#b42318}.badge.manual_review{background:#f0ecff;color:#5b21b6}.alert{padding:12px 14px;border-radius:14px;margin-bottom:14px;border:1px solid var(--line);background:#fff}.alert.success{background:#ecfff5;color:#08794f}.alert.error{background:#fff0f0;color:#b42318}.checkout-shell{min-height:calc(100vh - 130px);display:grid;place-items:center}.checkout-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:20px;text-align:center}.amount{font-size:42px;font-weight:950;letter-spacing:-.05em}.qr{width:250px;height:250px;max-width:100%;border-radius:18px;border:1px solid var(--line);padding:10px;background:#fff}.pay-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:16px 0}.step{font-size:11px;padding:8px;border-radius:12px;background:#f1f6fb;color:#718096}.step.on{background:#e7f9f1;color:#08794f;font-weight:900}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#102033;color:#fff;padding:10px 14px;border-radius:999px;z-index:20}.footer{text-align:center;color:var(--muted);font-size:13px;padding:22px}.code{background:#0f172a;color:#e2e8f0;border-radius:16px;padding:14px;overflow:auto;font-size:13px}.hero-card{min-height:360px;display:grid;gap:12px}.fake-phone{background:#0f172a;border-radius:32px;padding:16px;color:#fff;box-shadow:0 24px 50px rgba(15,23,42,.24)}.phone-screen{background:#fff;color:var(--text);border-radius:24px;padding:16px}.api-secret{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f5f8fb;padding:8px 10px;border-radius:10px;display:inline-block;max-width:100%;overflow:auto}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.success-ring{width:70px;height:70px;border-radius:50%;background:#e6fff4;color:#059669;display:grid;place-items:center;margin:10px auto;font-size:34px;animation:pop .45s ease}@keyframes pop{0%{transform:scale(.6);opacity:.2}100%{transform:scale(1);opacity:1}}
@media(max-width:820px){.hero{grid-template-columns:1fr;padding:28px 0}.grid,.grid.two,.grid.three{grid-template-columns:1fr}.nav{gap:7px;font-size:12px}.nav a:not(.btn){display:none}.topbar{padding:12px}.card{padding:16px}.pay-buttons{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.h1{font-size:42px}}