:root {
  --bg: #0a1526;
  --card: #12203a;
  --card2: #182a49;
  --text: #eaf0ff;
  --muted: #8ea0bd;
  --accent: #4f7cff;
  --accent2: #7b93ff;
  --ok: #35d07f;
  --warn: #f5a623;
  --danger: #ff5c5c;
  --line: rgba(255, 255, 255, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -200px, #16305c 0%, var(--bg) 60%);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 22px 16px 40px;
}

/* шапка */
.hdr { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.logo { width: 38px; height: 38px; filter: drop-shadow(0 6px 16px rgba(79, 124, 255, .35)); }
.logo svg { width: 100%; height: 100%; display: block; }
.brand b { display: block; font-size: 13.5px; letter-spacing: .06em; }
.brand span { color: var(--muted); font-size: 12px; }

/* карточки */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 14px;
}
.card.hero {
  background: linear-gradient(150deg, #16305c 0%, #12203a 60%, #0f1b30 100%);
  border-color: rgba(79, 124, 255, .25);
}
.card-title {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(79, 124, 255, .16);
  color: var(--accent2);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

h1 { font-size: 26px; line-height: 1.15; margin: 0 0 10px; letter-spacing: -.02em; }
h2 { font-size: 17px; margin: 18px 0 8px; }

.subtitle { color: var(--muted); margin: 0 0 14px; font-size: 14px; }

/* условия */
.conditions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.conditions div {
  background: rgba(255, 255, 255, .04);
  border-radius: 12px;
  padding: 10px;
}
.conditions span {
  display: block;
  color: var(--muted);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 3px;
}
.conditions b { font-size: 13.5px; }

/* кнопки */
button, .btn {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 13px 16px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: filter .15s ease, transform .12s ease;
}
button:hover, .btn:hover { filter: brightness(1.06); }
button:active, .btn:active { transform: scale(.99); }
button:disabled { opacity: .55; cursor: default; }

.btn.ghost, .secondary {
  background: rgba(255, 255, 255, .07);
  color: var(--text);
}

.main-link {
  display: block;
  margin-top: 10px;
  padding: 13px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
}

/* состояние */
.hidden { display: none !important; }

#loading {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.error {
  margin-top: 14px;
  background: rgba(255, 92, 92, .12);
  border: 1px solid rgba(255, 92, 92, .35);
  color: #ffb3b3;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13.5px;
}

.result {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.success-text { color: var(--ok); font-size: 14px; }

.result-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.result-info p {
  margin: 0;
  background: rgba(255, 255, 255, .04);
  border-radius: 12px;
  padding: 10px;
  font-size: 13px;
  color: var(--muted);
}
.result-info b { color: var(--text); }

.qr-block { text-align: center; margin-top: 16px; }
.qr-block p { color: var(--muted); font-size: 13px; }
.qr {
  width: 200px;
  height: 200px;
  background: #fff;
  border-radius: 14px;
  padding: 8px;
}

.manual-link { margin-top: 14px; }
.manual-link summary {
  cursor: pointer;
  color: var(--accent2);
  font-size: 13.5px;
  margin-bottom: 8px;
}
textarea#subLink {
  width: 100%;
  min-height: 74px;
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  font: 12.5px/1.4 ui-monospace, Consolas, monospace;
  padding: 10px 12px;
  resize: vertical;
}

.hint { color: var(--muted); font-size: 12.5px; margin-top: 12px; }

.foot {
  color: var(--muted);
  font-size: 11.5px;
  text-align: center;
  margin-top: 18px;
}