:root {
  --bg: #0a0e14;
  --bg-card: #121722;
  --border: #212a3a;
  --text: #e6edf3;
  --text-dim: #8b98ac;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.35);
  --accent-dim: #164e56;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% -10%, #101826 0%, var(--bg) 55%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4rem 1.5rem 2.5rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
}

header h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0.06em;
  color: var(--text);
}

header h1 span {
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-glow);
}

header p {
  margin: 0.6rem 0 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.grid {
  width: 100%;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.card .icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  display: block;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.card .status {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}

.stats {
  width: 100%;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}

.bar {
  height: 6px;
  border-radius: 999px;
  background: #1a2130;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.6s ease;
}

.stat-value {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

footer {
  margin-top: 3rem;
  color: var(--text-dim);
  font-size: 0.78rem;
  text-align: center;
}

/* 開發中頁面 */
.soon {
  max-width: 480px;
  text-align: center;
  margin-top: 2rem;
}

.soon .icon {
  font-size: 2.6rem;
  display: block;
  margin-bottom: 1rem;
}

.soon h1 {
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
}

.soon p {
  color: var(--text-dim);
  margin: 0 0 2rem;
}

.back-link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 0.5rem 1.4rem;
  font-size: 0.85rem;
  transition: box-shadow 0.2s ease;
}

.back-link:hover {
  box-shadow: 0 0 18px var(--accent-glow);
}