/* SwiftPayHub Core UI — shared design language */
:root{
  --paper:#f6f3ed;
  --paper-2:#fbfaf7;
  --surface:#ffffff;
  --ink:#111827;
  --ink-2:#26313d;
  --muted:#78818c;
  --faint:#aeb5bc;
  --line:#e7e2d9;
  --red:#6C5CE7; /* changed to violet for pro look */
  --red-dark:#5A4BD1;
  --red-soft:#f0edff;
  --jade:#00B894;
  --jade-soft:#e6f9f3;
  --gold:#a67c28;
  --gold-soft:#fbf4df;
  --danger:#c93632;
  --shadow:0 18px 50px rgba(24,27,31,.08);
  --shadow-soft:0 8px 24px rgba(24,27,31,.06);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.65 Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif}
a{color:var(--red);text-decoration:none}a:hover{color:var(--red-dark)}
button,input,select,textarea{font:inherit}button{cursor:pointer}
.content{width:min(1480px,100%);margin:0 auto;padding:34px}
.main{min-height:100vh}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.topbar h1{margin:0;font-size:28px;line-height:1.2;letter-spacing:-.7px}.subtitle{margin-top:6px;color:var(--muted);font-size:13px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.5px}.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--red);display:grid;place-items:center;color:#fff;font-size:13px;box-shadow:0 8px 18px rgba(108,92,231,.24);position:relative}.brand-mark:after{content:"";position:absolute;inset:5px;border:1px solid rgba(255,255,255,.55);border-radius:6px}.brand-name{font-size:19px;color:var(--ink)}
.card,.stat-card{background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:var(--shadow-soft);border-radius:var(--radius)}
.card{padding:22px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.card-head h3{margin:0;font-size:16px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:15px;margin-bottom:20px}.stat-card{padding:20px;position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;width:100px;height:100px;border:1px solid rgba(108,92,231,.1);border-radius:50%;right:-34px;top:-38px}.stat-card .label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}.stat-card .value{font-size:27px;font-weight:900;letter-spacing:-.7px;margin-top:4px}.accent{color:var(--red)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.table-wrap table{width:100%;border-collapse:collapse;min-width:680px}.table-wrap th{text-align:left;color:#7b8289;font-size:10px;text-transform:uppercase;letter-spacing:.8px;background:#faf8f4}.table-wrap th,.table-wrap td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:middle}.table-wrap tr:last-child td{border-bottom:0}.table-wrap tbody tr:hover{background:#faf8ff}
label{display:block;font-size:12px;font-weight:800;margin:15px 0 7px;color:#4f5964}input,select,textarea{width:100%;border:1px solid #dcd7ce;background:#fff;border-radius:12px;padding:12px 13px;outline:none;color:var(--ink);transition:border-color .18s,box-shadow .18s}input:focus,select:focus,textarea:focus{border-color:var(--red);box-shadow:0 0 0 4px var(--red-soft)}textarea{min-height:115px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:12px;padding:10px 15px;font-weight:800;transition:transform .18s,box-shadow .18s}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(24,27,31,.08);color:var(--ink)}.btn-primary{background:linear-gradient(135deg,var(--red),#7c6ce7);border-color:transparent;color:#fff;box-shadow:0 9px 22px rgba(108,92,231,.2)}.btn-primary:hover{color:#fff}.btn-success{background:var(--jade-soft);border-color:#cbe9e0;color:#08725d}.btn-danger{background:var(--red-soft);border-color:#f3c9c5;color:var(--red-dark)}.btn-sm{padding:7px 10px;font-size:12px}.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:10px;font-weight:900}.badge-success{background:var(--jade-soft);color:#08725d}.badge-danger{background:var(--red-soft);color:var(--red-dark)}.badge-neutral{background:#f1efea;color:#646c75}.badge-warning{background:var(--gold-soft);color:#886515}
.alert{padding:12px 14px;border-radius:13px;margin-bottom:16px;font-weight:700;border:1px solid}.alert-success{background:var(--jade-soft);border-color:#cbe9e0;color:#08725d}.alert-danger{background:var(--red-soft);border-color:#f3c9c5;color:#a82c28}
.key-box{display:flex;align-items:center;gap:10px;background:#171b20;color:#fff;border-radius:13px;padding:8px 8px 8px 14px}.key-text{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;flex:1}.help-text{font-size:12px;color:var(--muted);margin-top:10px}code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.code-block{background:#171b20;color:#f7f4ed;border-radius:14px;padding:16px;overflow:auto;font:12px/1.75 ui-monospace,SFMono-Regular,Menlo,monospace}
.flex{display:flex;align-items:center;justify-content:space-between;gap:12px}.flex-gap{display:flex;flex-wrap:wrap;gap:8px}.text-dim,.muted{color:var(--muted)}.text-right{text-align:right}
.empty{padding:34px 18px;text-align:center;color:var(--muted)}
.mobile-toggle{display:none}
@media(max-width:900px){.content{padding:25px 20px}.grid-2,.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.content{padding:18px 13px}.topbar{align-items:flex-start}.topbar h1{font-size:22px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:15px}.stat-card .value{font-size:21px}.card{padding:16px}.grid-2,.grid-3{grid-template-columns:1fr}.table-wrap table{min-width:620px}}