* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", Arial, sans-serif;
}

:root {
  --bg-1: #06111f;
  --bg-2: #0b1a33;
  --card: rgba(8, 18, 34, 0.82);
  --card-border: rgba(148, 163, 184, 0.16);
  --text: #e5eefb;
  --muted: #9eb0ca;
  --accent: #7dd3fc;
  --accent-2: #34d399;
  --danger: #fb7185;
}

body {
  min-height: 100vh;
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(52, 211, 153, 0.14), transparent 28%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.shell {
  width: 100%;
  display: flex;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 560px;
  border-radius: 28px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(16px);
}

.header {
  position: relative;
  padding: 32px 28px 28px;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(124, 58, 237, 0.2)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.header::after {
  content: "";
  position: absolute;
  inset: auto -30% -70% 30%;
  height: 180px;
  background: radial-gradient(circle, rgba(125, 211, 252, 0.28), transparent 68%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 16px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c7f2ff;
  background: rgba(125, 211, 252, 0.12);
  border: 1px solid rgba(125, 211, 252, 0.18);
}

.header h1 {
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1.05;
  margin-bottom: 10px;
}

.header p {
  max-width: 38ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.content {
  padding: 28px;
}

.item {
  padding: 18px 18px 16px;
  margin-bottom: 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.value {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  word-break: break-word;
}

.success,
.error,
.empty {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: 16px;
  text-align: center;
  font-weight: 600;
  line-height: 1.5;
}

.success {
  color: #d1fae5;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.28);
}

.error {
  color: #fecdd3;
  background: rgba(251, 113, 133, 0.12);
  border: 1px solid rgba(251, 113, 133, 0.28);
}

.empty {
  color: #dbeafe;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.24);
}

@media (max-width: 640px) {
  body {
    padding: 14px;
  }

  .header,
  .content {
    padding-left: 18px;
    padding-right: 18px;
  }

  .item {
    padding: 16px;
  }
}