/* ============================================
   waittime-graph.html 専用スタイル
   待ち時間推移グラフ
   ============================================ */

.wtg-header {
  margin: 16px 0 12px;
}
.wtg-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* コントロールバー */
.wtg-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  padding: 14px 16px;
  margin: 16px 0 20px;
  background: #fafaf8;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.wtg-control {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-sub);
}
.wtg-control label {
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.wtg-control select {
  font: inherit;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 0.8rem;
  min-height: 36px;
}
.wtg-control select:focus {
  outline: none;
  border-color: var(--accent);
}
.wtg-count {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.wtg-count strong {
  color: var(--text);
  font-weight: 600;
}

/* グラフグリッド */
.wtg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.wtg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 16px 16px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.wtg-card:hover {
  border-color: #d5d2cc;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.wtg-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}
.wtg-card-name {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.45;
  word-break: break-word;
}
.wtg-card-current {
  display: flex;
  align-items: baseline;
  gap: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.wtg-card-current-num {
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
}
.wtg-card-current-unit {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}
.wtg-card-current--na .wtg-card-current-num {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
}
.wtg-card-current--na .wtg-card-current-unit {
  display: none;
}

/* 待ち時間の色シグナル */
.wtg-card-current--short .wtg-card-current-num { color: #3e8e6f; }
.wtg-card-current--mid   .wtg-card-current-num { color: #b08840; }
.wtg-card-current--long  .wtg-card-current-num { color: #c26b5a; }
.wtg-card-current--vlong .wtg-card-current-num { color: #a14a3a; }

.wtg-card-stats {
  display: flex;
  gap: 12px;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.wtg-card-stats span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.wtg-card-stats strong {
  color: var(--text-sub);
  font-weight: 500;
}

.wtg-chart-wrap {
  position: relative;
  width: 100%;
  height: 140px;
}
.wtg-chart-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

.wtg-card-no-data {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
  color: var(--text-muted);
  font-size: 0.8rem;
  background: #fafaf8;
  border-radius: 6px;
}

/* 空状態 */
.wtg-empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: #fafaf8;
  border: 1px dashed var(--border);
  border-radius: 10px;
  margin-bottom: 32px;
}
.wtg-empty strong {
  display: block;
  color: var(--text-sub);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.wtg-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.8;
  padding: 16px 0 24px;
}
.wtg-note p { margin-bottom: 4px; }

/* タブレット */
@media (max-width: 768px) {
  .wtg-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
  }
  .wtg-card {
    padding: 14px 14px 10px;
  }
  .wtg-card-name {
    font-size: 0.82rem;
  }
  .wtg-controls {
    padding: 12px;
    gap: 10px 14px;
  }
  .wtg-count { width: 100%; margin-left: 0; text-align: right; }
}

/* スマホ */
@media (max-width: 420px) {
  .wtg-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .wtg-card { padding: 12px 12px 10px; }
  .wtg-card-name { font-size: 0.78rem; }
  .wtg-card-current-num { font-size: 1.2rem; }
  .wtg-chart-wrap { height: 120px; }
}