* {
  box-sizing: border-box;
}

body.activation-page {
  min-height: 100vh;
  margin: 0;
  color: #f7fbff;
  background:
    radial-gradient(circle at 84% 18%, rgba(31, 114, 255, 0.18), transparent 30%),
    linear-gradient(135deg, #071527 0%, #08182a 42%, #05101f 100%);
  font: 16px/1.45 Arial, Helvetica, sans-serif;
}

.activation-shell {
  width: min(860px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0 40px;
}

.activation-hero {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 34px;
}

.activation-check {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 4px solid #35d487;
  border-radius: 50%;
  color: #35d487;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
}

.activation-hero h1 {
  margin: 0 0 2px;
  color: #ffffff;
  font-size: clamp(24px, 4vw, 31px);
  line-height: 1.15;
}

.activation-hero p,
.activation-note p,
.activation-empty p {
  margin: 0;
  color: #c3ccdc;
}

.activation-card {
  display: grid;
  gap: 22px;
  padding: 28px;
  border: 1px solid rgba(92, 120, 154, 0.35);
  border-radius: 8px;
  background: rgba(9, 24, 41, 0.78);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
}

.activation-card h2 {
  margin: 0;
  color: #ffffff;
  font-size: 18px;
}

.activation-key-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 14px 16px 14px 30px;
  border: 1px dashed #157aff;
  border-radius: 9px;
  background: rgba(9, 20, 35, 0.82);
}

.activation-key {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #ffffff;
  font: 700 clamp(18px, 3vw, 24px)/1.25 "Courier New", Consolas, monospace;
  letter-spacing: 1px;
}

.activation-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 112px;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: linear-gradient(135deg, #2385ff, #1e64f0);
  cursor: pointer;
  font: 700 15px Arial, Helvetica, sans-serif;
  box-shadow: 0 10px 22px rgba(24, 115, 255, 0.26);
}

.activation-copy:hover {
  filter: brightness(1.08);
}

.activation-copy svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.activation-note {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 16px;
  border: 1px solid rgba(87, 112, 145, 0.24);
  border-radius: 8px;
  background: rgba(23, 42, 67, 0.52);
}

.activation-info {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #ffffff;
  background: #2385ff;
  font-weight: 700;
}

.activation-note strong {
  display: block;
  margin-bottom: 3px;
  color: #ffffff;
}

.activation-empty {
  display: grid;
  gap: 10px;
  max-width: 680px;
  padding: 28px;
  border: 1px solid rgba(92, 120, 154, 0.35);
  border-radius: 8px;
  background: rgba(9, 24, 41, 0.78);
}

@media (max-width: 640px) {
  .activation-shell {
    padding-top: 34px;
  }

  .activation-hero {
    grid-template-columns: 1fr;
  }

  .activation-key-box {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .activation-copy {
    width: 100%;
  }
}