:root{--brand:#0f766e;--bg:#f3f5f7;--card:#ffffff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--ok:#15803d;--warn:#b45309;--bad:#b91c1c;--radius:14px}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--brand)}
.testbar{background:#fef3c7;color:#92400e;font-size:12px;font-weight:600;text-align:center;padding:6px 10px;letter-spacing:.3px}
.wrap{max-width:560px;margin:0 auto;padding:16px;min-height:100vh;display:flex;flex-direction:column}
.hdr{display:flex;justify-content:space-between;align-items:center;padding:6px 2px 14px}
.brand{font-weight:700;font-size:18px;color:var(--text);text-decoration:none}
.secure{font-size:12px;color:var(--muted)}
.main{flex:1}
.ftr{font-size:12px;color:var(--muted);text-align:center;padding:24px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 1px 2px rgba(0,0,0,.03);margin-bottom:16px}
.card h1{font-size:20px;margin:0 0 6px}
.card h2{font-size:17px;margin:0 0 10px}
.muted{color:var(--muted);font-size:14px}
.amount{font-size:40px;font-weight:700;letter-spacing:-.5px;margin:8px 0 2px}
.amount small{font-size:16px;font-weight:500;color:var(--muted)}
.kv{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-size:14px;margin:14px 0}
.kv dt{color:var(--muted);margin:0}
.kv dd{margin:0;text-align:right;font-weight:600;word-break:break-word}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;border-radius:10px;padding:14px 18px;font-size:16px;font-weight:600;cursor:pointer;background:var(--brand);color:#fff;text-decoration:none;transition:filter .15s}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn.small{width:auto;padding:9px 14px;font-size:14px}
.btn.danger{background:var(--bad)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1}
label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px}
input,select,textarea{width:100%;font:inherit;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:transparent}
.prefix{position:relative}
.prefix span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600}
.prefix input{padding-left:30px}
.tabs{display:flex;background:#eef0f3;border-radius:10px;padding:4px;margin-bottom:6px}
.tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:8px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer}
.tabs button.active{background:#fff;color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.status{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.status.succeeded,.status.active,.status.completed{background:#dcfce7;color:#166534}
.status.pending,.status.processing,.status.paused{background:#fef3c7;color:#92400e}
.status.failed,.status.cancelled,.status.expired,.status.refunded,.status.partially_refunded{background:#fee2e2;color:#991b1b}
.alert{padding:12px 14px;border-radius:10px;font-size:14px;margin:12px 0}
.alert.ok{background:#dcfce7;color:#166534}
.alert.warn{background:#fef3c7;color:#92400e}
.alert.bad{background:#fee2e2;color:#991b1b}
.spinner{width:22px;height:22px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.spinner.dark{border-color:#e5e7eb;border-top-color:var(--brand)}
@keyframes spin{to{transform:rotate(360deg)}}
.center{text-align:center}
.big-icon{font-size:56px;line-height:1;margin:6px 0 10px}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.list li:last-child{border-bottom:0}
.receipt{border:1px dashed var(--line);border-radius:12px;padding:16px;margin-top:12px}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.hidden{display:none!important}
.install-banner{position:fixed;left:16px;right:16px;bottom:16px;background:#111827;color:#fff;border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.25);z-index:50}
.install-banner button{font:inherit;border:0;border-radius:8px;padding:8px 12px;cursor:pointer}
@media print{.testbar,.hdr .secure,.ftr,.btn,.install-banner{display:none!important}body{background:#fff}.card{border:0;box-shadow:none}}
.embedded .ftr,.embedded .hdr .brand{display:none}.embedded .wrap{min-height:auto;padding:10px 14px}