* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #f2f3f5;
  color: #1f2937;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.header {
  text-align: center;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 6px;
  font-size: 30px;
  letter-spacing: 0.2px;
}

.sub {
  margin: 0;
  color: #6b7280;
}

.block {
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 14px 14px 16px;
  margin: 12px 0;
}

.label {
  font-weight: 700;
  margin-bottom: 8px;
  color: #374151;
}

.text {
  line-height: 1.55;
  font-size: 16px;
}

button {
  margin-top: 14px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #d1d5db;
  background: #f3f4f6;
  color: #111827;
  font-size: 16px;
  cursor: pointer;
}

button:hover { filter: brightness(0.98); }

.counter {
  margin-top: 12px;
  text-align: center;
  font-size: 12px;
  color: #6b7280;
}

.counter strong {
  color: #374151;
  font-weight: 700;
}

.tiny {
  margin: 12px 0 0;
  font-size: 12px;
  color: #6b7280;
  text-align: center;
}