:root {
  --bg: #0f1115;
  --card: #171a21;
  --accent: #4fd1c5;
  --text: #e6e6e6;
  --muted: #8a8f98;
  --border: #2a2e37;
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0 1rem 3rem;
}
header {
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
h1 { margin: 0 0 0.3rem; font-size: 1.6rem; }
.uid { color: var(--muted); font-size: 1rem; font-weight: normal; }
.sub { color: var(--muted); margin: 0; }
.back { color: var(--accent); text-decoration: none; }
main { max-width: 960px; margin: 0 auto; }
section { margin-bottom: 2rem; }
.add-form form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
input[type=text] {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  flex: 1;
  min-width: 180px;
}
button {
  background: var(--accent);
  color: #0f1115;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}
button.danger { background: #fc8181; }
.hint { color: var(--muted); font-size: 0.85rem; margin-top: 0.5rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.6rem; }
.stat-row { display: flex; justify-content: space-between; font-size: 0.9rem; padding: 0.15rem 0; color: var(--muted); }
.stat-row span:last-child { color: var(--text); font-weight: 600; }
.empty { color: var(--muted); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.8rem; }
.stat-box { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; text-align: center; }
.stat-box .v { font-size: 1.6rem; font-weight: 700; color: var(--accent); }
.stat-box .l { color: var(--muted); font-size: 0.8rem; margin-top: 0.2rem; }
.op-grid, .medal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 0.8rem; }
.op-card, .medal-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 0.6rem; text-align: center; }
.op-card img, .medal-card img { width: 56px; height: 56px; object-fit: contain; }
.op-name, .medal-name { font-size: 0.8rem; font-weight: 600; margin-top: 0.3rem; }
.op-meta { font-size: 0.7rem; color: var(--muted); }
.history-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.history-table th, .history-table td { border-bottom: 1px solid var(--border); padding: 0.4rem 0.6rem; text-align: left; }
.actions { display: flex; gap: 0.5rem; }
footer { text-align: center; color: var(--muted); font-size: 0.75rem; margin-top: 3rem; }