:root {
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #3b82f6;
  --good: #16a34a;
  --bad: #dc2626;
  /* dataviz 스킬 categorical 팔레트(light) — 순서 고정, 순환 금지 */
  --series-1: #2a78d6;
  --series-2: #1baf7a;
  --series-3: #eda100;
  --series-4: #008300;
  --series-5: #4a3aa7;
  --series-6: #e34948;
  --series-7: #e87ba4;
  --series-8: #eb6834;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171c;
    --card-bg: #1e2128;
    --text: #eaecef;
    --text-muted: #9aa1ab;
    --border: #30343c;
    --accent: #60a5fa;
    --good: #4ade80;
    --bad: #f87171;
    /* dataviz 스킬 categorical 팔레트(dark) */
    --series-1: #3987e5;
    --series-2: #199e70;
    --series-3: #c98500;
    --series-4: #008300;
    --series-5: #9085e9;
    --series-6: #e66767;
    --series-7: #d55181;
    --series-8: #d95926;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Malgun Gothic", sans-serif;
  font-size: 15px;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 12px 80px;
}
header.top {
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 10px 0;
  z-index: 5;
  border-bottom: 1px solid var(--border);
}
header.top h1 {
  font-size: 17px;
  margin: 0 0 8px;
}
.account-select {
  display: block;
  width: 100%;
  margin-bottom: 8px;
  font-weight: 600;
  padding: 8px 10px;
}
.tabs {
  display: flex;
  gap: 6px;
}
.tab-btn, .range-btn, .pill-btn {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
}
.tab-btn.active, .range-btn.active, .gran-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.pill-btn.accent {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  flex-wrap: wrap;
}
.ranges { display: flex; gap: 6px; flex-wrap: wrap; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.card a.card-link {
  color: inherit;
  text-decoration: none;
  display: block;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.card-title-wrap { min-width: 0; }
.card-parent {
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}
.card-title {
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.status-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
}
.status-badge.ACTIVE { color: var(--good); border-color: var(--good); }
.status-badge.PAUSED { color: var(--text-muted); }
.status-badge.ARCHIVED { color: var(--text-muted); }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 12px;
  margin-top: 8px;
}
@media (min-width: 480px) {
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
}
.metric {
  display: flex;
  flex-direction: column;
}
.metric .label {
  font-size: 11px;
  color: var(--text-muted);
}
.metric .value {
  font-size: 14px;
  font-weight: 600;
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: none;
  z-index: 10;
}
.sheet-backdrop.open { display: block; }
.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-height: 75vh;
  overflow-y: auto;
  background: var(--card-bg);
  border-radius: 16px 16px 0 0;
  padding: 16px;
  z-index: 11;
  transform: translateY(100%);
  transition: transform .2s ease;
}
.sheet.open { transform: translateY(0); }
.sheet h2 { font-size: 15px; margin: 0 0 12px; }
.metric-group { margin-bottom: 14px; }
.metric-group h3 {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.metric-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
}
.empty { color: var(--text-muted); text-align: center; padding: 40px 0; }
.back-link { color: var(--accent); text-decoration: none; font-size: 13px; }
.note { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
select, .gran-btn, input[type="date"] {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
}
input[type="date"] { color-scheme: light dark; min-width: 0; flex: 1; }
#customRangeRow { flex-wrap: wrap; }
.gran-row { display: flex; gap: 6px; flex-wrap: wrap; }
.gran-btn:disabled { opacity: 0.35; cursor: not-allowed; }
#hourlyDateRow { gap: 8px; }
canvas { max-width: 100%; }

.chart-card { padding: 12px 14px 6px; cursor: pointer; }
.chart-card:active { background: color-mix(in srgb, var(--card-bg) 80%, var(--text) 5%); }
.chart-card canvas { pointer-events: none; }
.chart-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
}
.chart-head .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  flex-shrink: 0;
}
.chart-head .value {
  margin-left: auto;
  font-weight: 700;
  font-size: 14px;
}
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-wrap table { border-collapse: separate; border-spacing: 0; font-size: 13px; white-space: nowrap; }
.table-wrap th, .table-wrap td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: right;
}
.table-wrap th:first-child, .table-wrap td:first-child { text-align: left; }

.breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow-x: auto;
}
.breadcrumb a { color: var(--text-muted); text-decoration: underline; }
.breadcrumb .sep { margin: 0 4px; }

.rp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.rp-title { font-size: 13px; font-weight: 600; }
.rp-nav {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  font-size: 14px;
  cursor: pointer;
}
.rp-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.rp-cell { text-align: center; font-size: 12px; }
.rp-wd { color: var(--text-muted); padding: 4px 0; }
.rp-day {
  border: none;
  background: none;
  color: var(--text);
  padding: 8px 0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.rp-day:hover { background: var(--border); }
.rp-day.rp-disabled { color: var(--text-muted); opacity: 0.35; cursor: not-allowed; }
.rp-day.rp-in-range { background: color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 0; }
.rp-day.rp-edge { background: var(--accent); color: #fff; font-weight: 700; }
.rp-summary { font-size: 12px; color: var(--text-muted); margin-top: 8px; text-align: center; }

.chart-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: none;
  z-index: 20;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.chart-modal-backdrop.open { display: flex; }
.chart-modal {
  background: var(--card-bg);
  border-radius: 14px;
  border: 1px solid var(--border);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  padding: 14px;
}
.chart-modal-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.chart-modal-title { font-size: 15px; font-weight: 700; }
.chart-modal-actions { margin-left: auto; display: flex; gap: 6px; }
.chart-modal-body {
  position: relative;
  flex: 1;
  min-height: 55vh;
  touch-action: none;
}
.chart-modal-body canvas { max-height: 100%; touch-action: none; }
.chart-modal-hint { text-align: center; margin: 10px 0 0; }