:root {
  color-scheme: dark;
  --bg: #0c0c11;
  --bg-soft: #16161c;
  --panel: #30302e;
  --panel-hi: #3a3a37;
  --line: #4a4a46;
  --text: #eae8e2;
  --muted: #a9a69d;
  --accent: #e8c34e;
  --accent-deep: #c9a22e;
  --ok: #57b85a;
  --err: #bd5a4b;
  --ink: #141414;
  --font: "Segoe UI", system-ui, sans-serif;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(232, 195, 78, 0.14) 0%, transparent 45%),
    radial-gradient(120% 100% at 0% 0%, #16161c 0%, var(--bg) 55%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(232, 195, 78, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 195, 78, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 16px;
}

.card {
  width: min(100%, 420px);
  padding: 28px 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  animation: card-in 420ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.card.wide { width: min(100%, 520px); }

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.brand {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 16px;
}

.tab {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border-radius: 4px;
  padding: 10px 12px;
  font: 700 12px var(--font);
  cursor: pointer;
}

.tab.is-on {
  color: var(--ink);
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  border-color: transparent;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.field label {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 11px 12px;
  font: 600 14px var(--font);
  outline: none;
}

.field input:focus {
  border-color: rgba(232, 195, 78, 0.55);
}

.btn {
  width: 100%;
  appearance: none;
  border: 0;
  border-radius: 4px;
  padding: 12px 14px;
  font: 700 14px var(--font);
  cursor: pointer;
  color: var(--ink);
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-ghost {
  width: 100%;
  appearance: none;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 11px 14px;
  font: 700 13px var(--font);
  cursor: pointer;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.feedback {
  min-height: 18px;
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--err);
}

.feedback.is-ok { color: var(--ok); }

.panel {
  display: none;
}

.panel.is-on { display: block; }

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.18);
}

.vip-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font: 700 11px var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vip-pill.is-vip {
  color: var(--ink);
  background: var(--accent);
}

.vip-pill.is-free {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.meta strong { color: var(--text); }

.section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.section-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.plans {
  display: grid;
  gap: 10px;
}

.plan-card {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.18);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
}

.plan-card.is-hot {
  border-color: rgba(232, 195, 78, 0.55);
  box-shadow: inset 0 0 0 1px rgba(232, 195, 78, 0.12);
}

.plan-name {
  font-size: 14px;
  font-weight: 700;
}

.plan-price {
  grid-column: 1;
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
}

.plan-days {
  grid-column: 1;
  color: var(--muted);
  font-size: 12px;
}

.plan-buy {
  grid-column: 2;
  grid-row: 1 / span 3;
  width: auto;
  min-width: 96px;
  padding: 10px 14px;
  align-self: center;
}

.voucher-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.voucher-row input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 11px 12px;
  font: 600 14px var(--font);
  outline: none;
  text-transform: uppercase;
}

.voucher-row input:focus {
  border-color: rgba(232, 195, 78, 0.55);
}

.voucher-row .btn {
  width: auto;
  min-width: 96px;
}

.footer-note {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  line-height: 1.4;
}