:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --border: #e3e6eb;
  --accent: #2f6fd6;
  --up: #d14343;
  --down: #2f6fd6;
  --buy: #1e8e5a;
  --watch: #b7791f;
  --avoid: #9b2c2c;
  --radius: 10px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #1a1e24;
    --text: #e6e9ee;
    --muted: #9aa3b2;
    --border: #2c323b;
    --accent: #6ea0ff;
    --up: #f07070;
    --down: #6ea0ff;
    --buy: #49c28a;
    --watch: #e0b050;
    --avoid: #e07a7a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  line-height: 1.6;
  font-size: 15px;
}

a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.spacer { flex: 1; }
.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

main { max-width: 1120px; margin: 0 auto; padding: 16px; }

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
h3 { font-size: 0.95rem; margin: 12px 0 6px; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.error {
  border-color: var(--avoid);
  color: var(--avoid);
}

.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px 16px; margin-bottom: 16px; }
.page-head .meta { flex: 1 1 320px; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.badge.buy { color: var(--buy); }
.badge.watch { color: var(--watch); }
.badge.avoid { color: var(--avoid); }
.badge.none { color: var(--muted); }

/* 一覧 */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }

/* 指標 */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.metric {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.metric .label { color: var(--muted); font-size: 0.8rem; }
.metric .value { font-size: 1.25rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.metric .note { color: var(--muted); font-size: 0.78rem; }

/* チャート */
.periods { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.periods button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}
.periods button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.chart { width: 100%; height: 420px; }
.chart.short { height: 300px; }
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; }
@media (max-width: 520px) {
  .chart-grid { grid-template-columns: 1fr; }
  .chart { height: 340px; }
  #user { display: none; }
  main { padding: 12px; }
  .card { padding: 12px; }
}

/* 評価 */
.points { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.points ul { margin: 0; padding-left: 1.2em; }
.points li { margin-bottom: 6px; }
.source { color: var(--muted); font-size: 0.8rem; margin-left: 4px; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

/* レポート */
.report { overflow-wrap: anywhere; }
.report table { width: auto; margin: 8px 0; }
.report th, .report td { white-space: normal; }
.report pre { overflow-x: auto; background: var(--bg); padding: 10px; border-radius: 6px; }
.report blockquote { margin: 8px 0; padding-left: 12px; border-left: 3px solid var(--border); color: var(--muted); }

details summary { cursor: pointer; }
.tool-list { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; overflow-wrap: anywhere; }