:root{
  --ink:#0f1526; --muted:#5a6376; --line:rgba(255,255,255,.55); --line-2:rgba(120,130,160,.18);
  --brand:#4f46e5; --brand-ink:#3b32c9; --accent:#0ea86b; --danger:#e5484d; --warn:#f59e0b;
  --radius:22px; --radius-sm:13px;
  --glass:rgba(255,255,255,.55); --glass-2:rgba(255,255,255,.38); --glass-brd:rgba(255,255,255,.65);
  --shadow:0 20px 60px rgba(31,38,90,.16); --shadow-sm:0 8px 30px rgba(31,38,90,.10);
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --disp:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;
  position:relative;overflow-x:hidden;
  background:linear-gradient(135deg,#eef1ff 0%,#f7f0ff 30%,#fdeef6 55%,#eafaf4 100%);
  background-attachment:fixed}
/* floating color blobs for the liquid feel */
body::before,body::after{content:"";position:fixed;border-radius:50%;filter:blur(70px);opacity:.55;z-index:0;pointer-events:none}
body::before{width:520px;height:520px;background:radial-gradient(circle,#8b7cff,transparent 65%);top:-160px;left:-120px;animation:float1 18s ease-in-out infinite}
body::after{width:480px;height:480px;background:radial-gradient(circle,#4fd8b0,transparent 65%);bottom:-160px;right:-120px;animation:float2 20s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,50px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-40px)}}
@media(prefers-reduced-motion:reduce){body::before,body::after{animation:none}}
a{color:var(--brand);text-decoration:none}

/* layout: full-page centered */
.page{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 18px}
.stage{width:100%;max-width:480px;margin:0 auto}
.stage-wide{width:100%;max-width:1100px;margin:0 auto}

/* big center logo */
.hero-logo{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:26px;text-align:center}
.hero-logo .logo-holder{padding:18px 26px;border-radius:26px;background:var(--glass);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid var(--glass-brd);box-shadow:var(--shadow-sm)}
.hero-logo img{height:74px;width:auto;display:block}
.hero-logo .sub{font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--muted)}

/* glass card */
.glass{background:var(--glass);backdrop-filter:blur(26px) saturate(160%);-webkit-backdrop-filter:blur(26px) saturate(160%);
  border:1px solid var(--glass-brd);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.glass-head{padding:24px 26px 18px;border-bottom:1px solid var(--line-2)}
.glass-head .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:7px}
.glass-head h1{font-family:var(--disp);font-size:20px;font-weight:600;letter-spacing:-.3px}
.glass-head p{color:var(--muted);font-size:13px;margin-top:4px}
.glass-body{padding:22px 26px 26px}
.center{text-align:center}

/* amount hero */
.amount-hero{text-align:center;padding:6px 0 18px}
.amount-hero .label{font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--muted)}
.amount-hero .val{font-family:var(--mono);font-weight:700;font-size:46px;letter-spacing:-1px;margin-top:6px;color:var(--ink)}
.amount-hero .val small{font-size:24px;opacity:.5;font-weight:500}

/* form */
.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;font-weight:600;color:#3a4356;margin-bottom:6px}
.field .hint{color:var(--muted);font-weight:400}
input,select,textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);
  background:rgba(255,255,255,.6);border:1.5px solid rgba(120,130,160,.22);border-radius:var(--radius-sm);
  padding:12px 14px;transition:border-color .15s,box-shadow .15s,background .15s;backdrop-filter:blur(6px)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.85);box-shadow:0 0 0 4px rgba(79,70,229,.14)}
input::placeholder{color:#9aa3b8}
.amount-input{position:relative}
.amount-input::before{content:"\20B9";position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-family:var(--mono);font-size:16px;z-index:1}
.amount-input input{padding-left:32px;font-family:var(--mono);font-weight:600;font-size:17px}
.row{display:flex;gap:12px}.row>*{flex:1}

/* source chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;font-weight:500;padding:9px 14px;border:1.5px solid rgba(120,130,160,.25);border-radius:999px;
  background:rgba(255,255,255,.5);cursor:pointer;transition:all .15s;user-select:none}
.chip:hover{border-color:var(--brand)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* buttons */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;font-family:var(--sans);
  font-size:15.5px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--brand),#6d64f5);border:none;border-radius:var(--radius-sm);
  padding:14px;cursor:pointer;transition:transform .06s,filter .15s,box-shadow .15s;box-shadow:0 10px 26px rgba(79,70,229,.34)}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}
.btn-ghost{background:rgba(255,255,255,.55);color:var(--ink);border:1.5px solid var(--glass-brd);box-shadow:none;backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.8);filter:none}
.btn-ok{background:linear-gradient(135deg,#0ea86b,#12b981);box-shadow:0 10px 26px rgba(14,168,107,.32)}
.btn-danger{background:linear-gradient(135deg,#e5484d,#f06565);box-shadow:none}
.btn-sm{padding:9px 14px;font-size:13px;width:auto;box-shadow:none}

.secure{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:16px;color:var(--muted);font-size:12px}
.secure svg{width:13px;height:13px}
.err{background:rgba(229,72,77,.1);color:#c0343a;border:1px solid rgba(229,72,77,.3);border-radius:12px;padding:10px 13px;font-size:13px;margin-bottom:14px;display:none}
.err.show{display:block}
.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:22px}
.test-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;font-weight:600;
  color:#8a5a00;background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.4);padding:5px 11px;border-radius:999px;margin-bottom:14px}

/* result */
.result-icon{width:76px;height:76px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center}
.result-icon.ok{background:rgba(14,168,107,.16)}.result-icon.ok svg{stroke:var(--accent)}
.result-icon.fail{background:rgba(229,72,77,.16)}.result-icon.fail svg{stroke:var(--danger)}
.result-icon.wait{background:rgba(245,158,11,.16)}.result-icon.wait svg{stroke:var(--warn)}
.result-icon svg{width:36px;height:36px;fill:none;stroke-width:2.5}
.detail-box{margin-top:22px;text-align:left;background:rgba(255,255,255,.5);border:1px solid var(--line-2);border-radius:14px;padding:16px}
.detail-box .drow{display:flex;justify-content:space-between;padding:6px 0;font-size:13.5px}
.detail-box .drow span:first-child{color:var(--muted)}
.money{font-family:var(--mono);font-weight:600}
.spinner{width:14px;height:14px;border:2px solid rgba(120,130,160,.3);border-top-color:var(--brand);border-radius:50%;display:inline-block;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.pill{font-family:var(--mono);font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;display:inline-block}
.pill.SUCCESS,.pill.PAID{background:rgba(14,168,107,.16);color:#0a7d50}
.pill.PENDING,.pill.ACTIVE{background:rgba(245,158,11,.18);color:#9a6700}
.pill.FAILED,.pill.EXPIRED{background:rgba(229,72,77,.16);color:#c0343a}

/* ===== ADMIN ===== */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.topbar .tb-brand{display:flex;align-items:center;gap:12px}
.topbar .tb-brand img{height:38px}
.topbar .tb-brand b{font-family:var(--disp);font-size:17px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{padding:18px 20px;border-radius:18px;background:var(--glass);backdrop-filter:blur(20px);border:1px solid var(--glass-brd);box-shadow:var(--shadow-sm)}
.stat .k{font-family:var(--mono);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.stat .v{font-family:var(--mono);font-weight:700;font-size:26px;letter-spacing:-.5px;margin-top:6px}
.stat .v small{font-size:15px;opacity:.5}
.stat.hl{background:linear-gradient(135deg,rgba(79,70,229,.92),rgba(109,100,245,.92));border:none;color:#fff}
.stat.hl .k{color:rgba(255,255,255,.8)}
.panel{border-radius:20px;margin-bottom:20px;overflow:hidden;background:var(--glass);backdrop-filter:blur(20px);border:1px solid var(--glass-brd);box-shadow:var(--shadow-sm)}
.panel-head{padding:16px 22px;border-bottom:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-head h2{font-family:var(--disp);font-size:15px;font-weight:600}
.panel-body{padding:4px 0}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-family:var(--mono);font-size:10px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:600;padding:10px 22px;border-bottom:1px solid var(--line-2)}
td{padding:12px 22px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:none}
.src-tag{font-size:11.5px;color:var(--muted)}
.copy-link{display:flex;gap:8px;align-items:center}
.copy-link code{font-family:var(--mono);font-size:11px;background:rgba(255,255,255,.5);padding:4px 8px;border-radius:6px;color:#4a5361;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{text-align:center;color:var(--muted);font-size:13.5px;padding:30px 20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.bar{height:7px;border-radius:4px;background:rgba(120,130,160,.18);overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#7c73ff);border-radius:4px}
.src-row{padding:12px 22px;border-bottom:1px solid var(--line-2)}
.src-row:last-child{border-bottom:none}
.src-row .top{display:flex;justify-content:space-between;font-size:13.5px}
.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:12px;font-size:13.5px;box-shadow:0 12px 34px rgba(0,0,0,.3);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#qrbox{display:inline-block;padding:16px;background:#fff;border-radius:18px;box-shadow:var(--shadow-sm)}
#qrbox img,#qrbox canvas{display:block}

@media(max-width:760px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .hide-sm{display:none}
  td,th{padding-left:14px;padding-right:14px}
  .hero-logo img{height:60px}
}