:root {
  --bg-start: #071623;
  --bg-end: #0f2b3d;
  --panel: #10293d;
  --panel-edge: #2d4f68;
  --text-main: #f4f7fb;
  --text-muted: #b8c6d3;
  --accent: #9dc9ff;
  --accent-strong: #6ca9ff;
  --ok: #9ce5b1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 10% 20%, rgba(157, 201, 255, 0.14), transparent 40%),
    radial-gradient(circle at 85% 8%, rgba(130, 255, 200, 0.12), transparent 38%),
    linear-gradient(160deg, var(--bg-start), var(--bg-end));
  min-height: 100vh;
  line-height: 1.5;
}

.shell {
  width: min(920px, 92vw);
  margin: 48px auto;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid var(--panel-edge);
  background: linear-gradient(170deg, rgba(16, 41, 61, 0.92), rgba(9, 24, 37, 0.95));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.34);
  text-align: center;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  letter-spacing: 0.02em;
  text-align: center;
}

.intro {
  margin: 0 0 20px;
  color: var(--text-muted);
  text-align: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #02172a;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 30px rgba(108, 169, 255, 0.32);
}

.btn-secondary {
  color: var(--text-main);
  border: 1px solid #557795;
  background: rgba(13, 31, 45, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
  justify-items: stretch;
}

.cell {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(157, 201, 255, 0.25);
  background: rgba(6, 19, 30, 0.48);
  text-align: center;
  width: 100%;
}

.label {
  color: var(--text-muted);
  font-size: 0.86rem;
  display: block;
  margin-bottom: 5px;
}

.value {
  color: var(--text-main);
  font-size: 0.95rem;
  word-break: break-word;
  font-family: "Menlo", "Consolas", monospace;
  text-align: center;
  display: block;
}

.health {
  margin-top: 14px;
  color: var(--ok);
  font-size: 0.93rem;
  text-align: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  padding: 12px 30px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  text-decoration: none;
  color: #fff;
  background: #0094db;
  box-shadow: 0 4px 15px rgba(0, 153, 204, 0.4);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.back-link:hover {
  transform: translateY(-2px);
  background: #008ac5;
  box-shadow: 0 6px 20px rgba(0, 153, 204, 0.55);
}

@media (max-width: 700px) {
  .shell {
    padding: 20px;
    margin: 24px auto;
  }

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

  .actions {
    flex-direction: column;
  }
}