:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --border: #e5e7ed;
  --border-soft: #eef0f5;
  --text: #111827;
  --text-soft: #374151;
  --muted: #6b7280;
  --muted-soft: #9ca3af;
  --accent: #6b5dd3;
  --accent-soft: #f1eefe;
  --orange: #f5a623;
  --pink:   #e9446a;
  --purple: #8a4fff;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --up: #16a34a;
  --down: #dc2626;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .04), 0 1px 3px rgba(17, 24, 39, .04);
  --shadow:    0 1px 2px rgba(17, 24, 39, .04), 0 4px 12px rgba(17, 24, 39, .06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, p { margin: 0; }

#dashboard {
  padding: 28px 28px 48px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 120px;
  grid-auto-flow: dense;
  max-width: 1600px;
  margin: 0 auto;
}

#dashboard .card { height: 100%; }

/* === ダッシュボードヘッダー === */
.dashboard-header {
  grid-column: 1 / -1;
  margin-bottom: 4px;
}
.dashboard-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.dashboard-header .dashboard-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* === セクション見出し (h2) === */
.section-title {
  grid-column: 1 / -1;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px 0 8px;
  margin-top: 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 14px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title.first { margin-top: 0; }

/* === カード === */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s;
}
.card:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-soft);
}

/* カードタイトル (h3) */
.card-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin: 0 0 4px 0;
  line-height: 1.4;
}

.card .chart-body {
  flex: 1;
  min-height: 0;
}
.card--chart .chart-body { min-height: 160px; }

/* === 数値カード === */
.card--number {
  align-items: stretch;
}
.card--number .chart-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex: 1;
  min-height: 0;
}
.card .number {
  font-size: 40px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-feature-settings: "tnum" 1, "lnum" 1;
}
.card .number-sub {
  color: var(--muted);
  font-size: 11px;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
}
.card .number-delta {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
}
.card .number-delta.up   { color: var(--up);   background: rgba(22, 163, 74, .1); }
.card .number-delta.down { color: var(--down); background: rgba(220, 38, 38, .1); }

/* 空 placeholder */
.card.empty {
  background: repeating-linear-gradient(45deg, #f9fafb, #f9fafb 8px, #ffffff 8px, #ffffff 16px);
}
.card.empty .number-sub { color: var(--muted-soft); }

/* === テーブル === */
.card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.card table th, .card table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
}
.card table th {
  background: #f9fafb;
  font-weight: 600;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.loading, .error {
  grid-column: 1 / -1;
  padding: 24px;
  color: var(--muted);
}
.error { color: var(--danger); }

/* === レイアウトユーティリティ === */
.w-2  { grid-column: span 2; }
.w-3  { grid-column: span 3; }
.w-4  { grid-column: span 4; }
.w-6  { grid-column: span 6; }
.w-8  { grid-column: span 8; }
.w-12 { grid-column: span 12; }

.h-2  { grid-row: span 2; }
.h-3  { grid-row: span 3; }
.h-4  { grid-row: span 4; }
.h-5  { grid-row: span 5; }
.h-6  { grid-row: span 6; }

@media (max-width: 720px) {
  .w-2, .w-3, .w-4, .w-6, .w-8, .w-12 { grid-column: 1 / -1; }
  #dashboard { padding: 16px; }
}

/* === フィルタバー === */
.filter-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 28px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, border-color 0.2s;
}
.filter-bar.has-filter {
  background: var(--danger-bg);
  border-bottom: 2px solid var(--danger-border);
}
.filter-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-group > label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.filter-btn {
  appearance: none;
  background: white;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text);
  min-width: 100px;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.filter-btn:hover { border-color: var(--accent); }
.filter-btn.active {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
  font-weight: 700;
}

.filter-spacer { flex: 1; }
.filter-summary {
  color: var(--muted);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.filter-summary.active {
  color: var(--danger);
  font-weight: 700;
  font-size: 12px;
}
.filter-summary.active::before {
  content: "●";
  font-size: 10px;
  color: var(--danger);
}

.filter-pop {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 12px;
  z-index: 100;
  min-width: 300px;
}
.filter-pop[hidden] { display: none; }
.filter-pop-title { font-size: 11px; color: var(--muted); font-weight: 600; margin-bottom: 4px; }

.filter-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}
.filter-tab {
  appearance: none;
  background: transparent;
  border: none;
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: inherit;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

.filter-tab-panes { min-width: 240px; min-height: 130px; }
.filter-tab-pane { display: none; }
.filter-tab-pane.active { display: block; }

.filter-tab-pane button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text);
  margin-bottom: 2px;
  font-family: inherit;
  transition: background 0.1s;
}
.filter-tab-pane button:hover { background: var(--accent-soft); }
.filter-tab-pane button.selected { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 700; }

.filter-pop-foot {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.filter-pop-foot button {
  appearance: none;
  border: 1px solid var(--border);
  background: white;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.1s, background 0.1s;
}
.filter-pop-foot button.primary { background: var(--accent); color: white; border-color: var(--accent); }
.filter-pop-foot button.primary:hover { background: #5d4cc1; }
.filter-pop-foot button:hover { border-color: var(--accent); }

.filter-custom { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.filter-custom input[type="date"] { border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 11px; font-family: inherit; }

.filter-pop-search { margin-bottom: 8px; }
.filter-pop-search input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-family: inherit;
}
.filter-pop-list {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px;
  min-width: 240px;
}
.filter-pop-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 5px;
}
.filter-pop-list label:hover { background: var(--accent-soft); }
.filter-pop-list input[type="checkbox"] { margin: 0; accent-color: var(--accent); }
.filter-empty { padding: 8px; color: var(--muted); font-size: 12px; }