:root {
  --bg: #0e1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff4b4b;
  --accent-2: #1f6feb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  padding: 24px 32px 8px;
}
header h1 { margin: 0; font-size: 1.7rem; }
.subtitle { color: var(--muted); margin: 4px 0 0; }

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
}
.control-group { display: flex; flex-direction: column; gap: 6px; }
.control-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.95rem;
  min-width: 140px;
}

.hint { font-size: 0.75rem; color: var(--muted); max-width: 240px; }

.toggle { display: inline-flex; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.toggle button {
  background: transparent;
  color: var(--text);
  border: none;
  padding: 8px 20px;
  font-size: 0.95rem;
  cursor: pointer;
}
.toggle button.active { background: var(--accent); color: #fff; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 12px 32px 0;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  font-size: 0.98rem;
  cursor: pointer;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

main { padding: 24px 32px 64px; }

.hypothesis-box {
  background: rgba(31, 111, 235, 0.12);
  border-left: 4px solid var(--accent-2);
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 20px;
}

.section-title { margin: 0 0 16px; font-size: 1.25rem; }
.muted { color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.card img { width: 100%; display: block; aspect-ratio: 1; object-fit: cover; background: #000; }
.card .cap { padding: 6px 8px; font-size: 0.8rem; color: var(--muted); }
.card details { padding: 0 8px 8px; font-size: 0.82rem; }
.card details summary { cursor: pointer; color: var(--accent-2); }
.card details p { margin: 6px 0 0; color: var(--text); white-space: pre-wrap; }

.columns3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.columns3 h3 { margin-top: 0; }
.columns3 .grid { grid-template-columns: repeat(3, 1fr); }

.stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  min-width: 110px;
}
.stat .label { font-size: 0.8rem; color: var(--muted); }
.stat .value { font-size: 1.3rem; font-weight: 600; }

footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .columns3 { grid-template-columns: 1fr; }
}