:root {
  --bg0: #05070d;
  --bg1: #070b14;
  --txt: #eaf2ff;
  --muted: rgba(234, 242, 255, .68);
  --glass: rgba(16, 22, 34, .46);
  --stroke: rgba(255, 255, 255, .12);
  --stroke2: rgba(255, 255, 255, .18);
  --cyan: #86f3ff;
  --blue: #46c8ff;
  --green: #4cff8a;
  --pink: #ff3da5;
  --shadow: 0 18px 60px rgba(0, 0, 0, .55);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--txt);
  background:
    radial-gradient(1200px 800px at 20% 10%, rgba(90, 167, 255, .10), transparent 55%),
    radial-gradient(900px 600px at 80% 0%, rgba(255, 61, 165, .08), transparent 50%),
    radial-gradient(900px 700px at 80% 90%, rgba(76, 255, 138, .08), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.bg { position: fixed; inset: 0; pointer-events: none; z-index: -1; }
.grid {
  position: absolute;
  inset: -2px;
  opacity: .22;
  background:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(900px) rotateX(58deg) translateY(-240px);
}

.shell { max-width: 1180px; margin: 0 auto; padding: 0 18px 48px; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(6, 9, 16, .84), rgba(6, 9, 16, .56));
  border-bottom: 1px solid rgba(255, 255, 255, .10);
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.mark { font-weight: 950; letter-spacing: .08em; text-transform: uppercase; }
.mark span {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(134, 243, 255, .55);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(76, 255, 138, .28);
  color: rgba(234, 242, 255, .88);
  background: rgba(76, 255, 138, .08);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px rgba(76, 255, 138, .72);
}

.hero { padding: 34px 0 22px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(280px, 520px) 1fr;
  gap: 28px;
  align-items: center;
}
.logo-card {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.logo-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  filter: drop-shadow(0 24px 42px rgba(0, 0, 0, .56)) drop-shadow(0 0 22px rgba(124, 255, 34, .25));
}
h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: .96;
  letter-spacing: 0;
}
.lead {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}
.panel {
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--stroke);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .42);
  padding: 18px;
}
.panel h2 {
  margin: 0 0 12px;
  font-size: 17px;
  letter-spacing: .02em;
}
.panel-copy {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.55;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.upload-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}
.upload-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: rgba(234, 242, 255, .72);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.form-grid.compact { margin-top: 12px; }
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: rgba(234, 242, 255, .72);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.form-grid .wide { grid-column: 1 / -1; }
input, select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(0, 0, 0, .22);
  color: var(--txt);
  padding: 11px 12px;
  outline: none;
}
input:focus, select:focus {
  border-color: rgba(134, 243, 255, .58);
  box-shadow: 0 0 0 3px rgba(134, 243, 255, .10);
}
button {
  border: 0;
  cursor: pointer;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.primary, .secondary {
  border-radius: 12px;
  padding: 12px 14px;
}
.primary {
  color: #07100a;
  background: linear-gradient(135deg, #b7ff34, #4cff8a);
  box-shadow: 0 12px 36px rgba(76, 255, 138, .18);
}
.payment-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.secondary {
  color: var(--txt);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}
.crypto-box {
  display: grid;
  gap: 9px;
  border-radius: 14px;
  padding: 14px;
  background: rgba(76, 255, 138, .08);
  border: 1px solid rgba(76, 255, 138, .18);
}
.wallet-address {
  display: block;
  overflow-wrap: anywhere;
  padding: 10px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .26);
}
.divider {
  height: 1px;
  margin: 18px 0;
  background: rgba(255, 255, 255, .10);
}
.result { margin-top: 14px; }
.result-card {
  display: grid;
  gap: 7px;
  border-radius: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .06);
  color: rgba(234, 242, 255, .78);
}
.result-card.ok { border-color: rgba(76, 255, 138, .28); }
.result-card.warn { border-color: rgba(255, 61, 165, .35); }
.result-card strong { color: var(--txt); }
.admin-panel { margin-top: 16px; }
.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.admin-metrics div {
  border-radius: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .10);
}
.admin-metrics strong {
  display: block;
  font-size: 24px;
  color: var(--cyan);
}
.admin-metrics span {
  color: var(--muted);
  font-size: 12px;
}
.payment-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.payment-list .payment-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .10);
}
.payment-list code,
.payment-list small {
  grid-column: 1 / -1;
  overflow-wrap: anywhere;
  color: var(--muted);
}
.metric-row, .endpoint {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(234, 242, 255, .82);
}
.metric-row:first-of-type, .endpoint:first-of-type { border-top: 0; }
.method {
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: rgba(234, 242, 255, .9);
}

.console {
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--stroke2);
  box-shadow: var(--shadow);
}
.console-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .07);
  border-bottom: 1px solid rgba(255, 255, 255, .10);
}
.console-body {
  margin: 0;
  padding: 18px;
  overflow: auto;
  background: rgba(0, 0, 0, .28);
  color: rgba(234, 242, 255, .86);
  font-size: 13px;
  line-height: 1.55;
}

.footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .10);
  color: rgba(234, 242, 255, .62);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero-grid, .panel-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .topbar-inner { align-items: flex-start; flex-direction: column; }
  .logo-card { padding: 12px; border-radius: 18px; }
  .panel { padding: 15px; }
  .metric-row, .endpoint { flex-direction: column; gap: 4px; }
  .form-grid, .admin-metrics { grid-template-columns: 1fr; }
  .upload-form { grid-template-columns: 1fr; }
  .payment-actions { grid-template-columns: 1fr; }
}