/* ============================================================
   FX EA 運用実績サイト スタイル
   ============================================================ */

:root {
  --color-bg: #0f1419;
  --color-surface: #1a212b;
  --color-surface-2: #232c39;
  --color-border: #2d3744;
  --color-text: #e6edf3;
  --color-text-dim: #8b949e;
  --color-profit: #2ea043;
  --color-profit-bg: rgba(46, 160, 67, 0.15);
  --color-profit-strong: rgba(46, 160, 67, 0.35);
  --color-loss: #f85149;
  --color-loss-bg: rgba(248, 81, 73, 0.15);
  --color-loss-strong: rgba(248, 81, 73, 0.35);
  --color-accent: #58a6ff;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Meiryo", "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ヘッダー */
.site-header {
  padding: 32px 20px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.site-header h1 {
  margin: 0 0 6px;
  font-size: 1.75rem;
  letter-spacing: 0.02em;
}
.site-subtitle {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}

/* EAメタ情報バッジ */
.ea-meta {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.ea-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}
.ea-meta-badge .ea-meta-label {
  color: var(--color-text-dim);
  font-size: 0.72rem;
}
.ea-meta-badge .ea-meta-value {
  color: var(--color-text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* EAタブ (セグメントコントロール風) */
.ea-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 18px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.ea-tabs-label {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.ea-tabs-label::after {
  content: "▶";
  font-size: 0.65rem;
  color: var(--color-accent);
}
.ea-tabs-buttons {
  display: inline-flex;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}
.ea-tab {
  background: transparent;
  color: var(--color-text-dim);
  border: none;
  border-radius: 999px;
  padding: 8px 22px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  white-space: nowrap;
  font-weight: 500;
}
.ea-tab:hover:not(.active) {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}
.ea-tab.active {
  background: var(--color-accent);
  color: #0f1419;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(88, 166, 255, 0.35);
}

/* コンテナ */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

/* サマリーカード */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.card-label {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}
.card-value {
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.card-value.profit { color: var(--color-profit); }
.card-value.loss { color: var(--color-loss); }

/* カレンダーセクション */
.calendar-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.calendar-header h2 {
  margin: 0;
  font-size: 1.2rem;
}
.nav-btn {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}
.nav-btn:hover { background: var(--color-border); }
.nav-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  background: var(--color-surface-2);
}
.nav-btn:disabled:hover { background: var(--color-surface-2); }

/* 曜日ヘッダー */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 4px;
}
.weekday {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  padding: 6px 0;
  font-weight: 600;
}
.weekday.sun { color: #f85149; }
.weekday.sat { color: #58a6ff; }

/* カレンダーグリッド */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.day-cell {
  aspect-ratio: 1 / 1;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
}
.day-cell.empty {
  background: transparent;
  border: 1px solid transparent;
}
.day-cell.today {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.day-cell .date-num {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}
.day-cell.is-sun .date-num { color: #f85149; }
.day-cell.is-sat .date-num { color: #58a6ff; }
.day-cell .pnl {
  font-weight: 700;
  font-size: 0.85rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  letter-spacing: -0.02em;
}
.day-cell.profit { background: var(--color-profit-bg); border-color: var(--color-profit-strong); }
.day-cell.profit .pnl { color: var(--color-profit); }
.day-cell.loss { background: var(--color-loss-bg); border-color: var(--color-loss-strong); }
.day-cell.loss .pnl { color: var(--color-loss); }

/* 凡例 */
.legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-color {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid var(--color-border);
}
.legend-color.profit { background: var(--color-profit-bg); border-color: var(--color-profit-strong); }
.legend-color.loss { background: var(--color-loss-bg); border-color: var(--color-loss-strong); }
.legend-color.none { background: var(--color-surface-2); }

/* 曜日別パフォーマンス */
.weekday-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.weekday-section h2 {
  margin: 0 0 16px;
  font-size: 1.2rem;
}
.section-note {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-weight: 400;
  margin-left: 6px;
}
.weekday-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.weekday-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 12px 8px;
  text-align: center;
}
.weekday-card .wd-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-dim);
}
.weekday-card .wd-winrate {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.weekday-card .wd-winrate.profit { color: var(--color-profit); }
.weekday-card .wd-winrate.loss { color: var(--color-loss); }
.weekday-card .wd-winrate.neutral { color: var(--color-text); }
.weekday-card .wd-detail {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}
.weekday-card .wd-detail .wd-avg.profit { color: var(--color-profit); }
.weekday-card .wd-detail .wd-avg.loss { color: var(--color-loss); }
.weekday-card.no-data .wd-winrate { color: var(--color-text-dim); }

/* 月別損益サマリー (年間ビュー) */
.yearly-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.yearly-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.yearly-header h2 {
  margin: 0;
  font-size: 1.2rem;
}
.yearly-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 10px;
  background: var(--color-surface-2);
  border-radius: 6px;
  font-size: 0.9rem;
}
.yearly-summary-label { color: var(--color-text-dim); }
.yearly-summary-value { font-weight: 700; font-variant-numeric: tabular-nums; }
.yearly-summary-value.profit { color: var(--color-profit); }
.yearly-summary-value.loss { color: var(--color-loss); }
.yearly-summary-sep { color: var(--color-border); }
.yearly-chart-wrapper { height: 280px; }

/* グラフセクション */
.chart-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.chart-section h2 {
  margin: 0 0 16px;
  font-size: 1.2rem;
}
.chart-wrapper {
  position: relative;
  height: 320px;
}

/* ステータス */
.status {
  margin-top: 20px;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
  display: none;
}
.status.show { display: block; }
.status.error {
  background: var(--color-loss-bg);
  color: var(--color-loss);
  border: 1px solid var(--color-loss-strong);
}
.status.info {
  background: rgba(88, 166, 255, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

/* フッター */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  border-top: 1px solid var(--color-border);
}
.site-footer p { margin: 0; }

/* レスポンシブ (スマホ) */
@media (max-width: 640px) {
  .site-header { padding: 24px 16px 18px; }
  .site-header h1 { font-size: 1.4rem; }
  .container { padding: 16px 10px 30px; }
  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .card { padding: 12px 8px; }
  .card-value { font-size: 1.1rem; }
  .calendar-section, .chart-section, .weekday-section, .yearly-section { padding: 14px 10px; }
  .ea-tabs { padding: 12px 10px 14px; gap: 8px; }
  .ea-tabs-label { font-size: 0.78rem; width: 100%; justify-content: center; text-align: center; }
  .ea-tab { padding: 7px 16px; font-size: 0.85rem; }
  .yearly-chart-wrapper { height: 220px; }
  .yearly-summary { font-size: 0.8rem; gap: 6px; padding: 8px; }
  .weekday-grid { gap: 5px; }
  .weekday-card { padding: 8px 4px; }
  .weekday-card .wd-name { font-size: 0.7rem; margin-bottom: 4px; }
  .weekday-card .wd-winrate { font-size: 1rem; }
  .weekday-card .wd-detail { font-size: 0.6rem; }
  .day-cell { padding: 3px 2px; font-size: 0.7rem; }
  .day-cell .date-num { font-size: 0.65rem; }
  .day-cell .pnl {
    font-size: 0.5rem;
    letter-spacing: -0.04em;
    text-align: center;
  }
  .calendar-grid { gap: 2px; }
  .chart-wrapper { height: 240px; }
}