:root {
  --indigo: #7c8cff;
  --indigo-soft: rgba(124, 140, 255, 0.16);
  --teal: #39e0c8;
  --amber: #f0b54a;
  --radius: 14px;
  --gap: 16px;
  --maxw: 1080px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html[data-theme="dark"] {
  --bg: #0b0d12;
  --panel: #141823;
  --panel-2: #1b2030;
  --border: #232a3a;
  --text: #e7e9ee;
  --muted: #8b93a7;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 8px 24px rgba(0, 0, 0, 0.35);
}
html[data-theme="light"] {
  --bg: #f5f6f9;
  --panel: #ffffff;
  --panel-2: #f0f2f7;
  --border: #e3e6ee;
  --text: #1a1d24;
  --muted: #69707f;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.06);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
.num { font-variant-numeric: tabular-nums; }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 18px 20px 8px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--indigo), var(--teal));
  box-shadow: 0 0 0 1px var(--border);
}
.brand-name { font-weight: 700; letter-spacing: -0.01em; font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.updated { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 3px rgba(57,224,200,0.15); }
.status-dot.is-stale { background: var(--amber); box-shadow: 0 0 0 3px rgba(240,181,74,0.15); }
.icon-btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; width: 32px; height: 32px; cursor: pointer; font-size: 15px;
}
.icon-btn:hover { background: var(--panel-2); }

/* ---- tabs ---- */
.tabs {
  display: flex; gap: 6px; max-width: var(--maxw); margin: 6px auto 0; padding: 0 20px;
}
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 10px 16px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--indigo-soft); color: var(--indigo); }

/* ---- content ---- */
.content { max-width: var(--maxw); margin: 14px auto 60px; padding: 0 20px; }
.panel { display: none; flex-direction: column; gap: var(--gap); }
.panel.is-active { display: flex; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 12px; flex-wrap: wrap; }
.card-label { text-transform: uppercase; letter-spacing: 0.07em; font-size: 11px; font-weight: 600; color: var(--muted); }

/* ---- summary cards ---- */
.card-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--gap); }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow); min-height: 92px; display: flex; flex-direction: column; gap: 4px;
}
.stat-label { text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; font-weight: 600; color: var(--muted); }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-value .unit { font-size: 14px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.stat-sub { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.stat.clickable { cursor: pointer; }
.stat.clickable:hover { border-color: var(--indigo); }

.delta { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 600; color: var(--indigo); font-variant-numeric: tabular-nums; }
.delta .arrow { font-size: 12px; }

/* ---- comparison panel ---- */
.comparison { display: flex; flex-direction: column; gap: 2px; }
.cmp-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 14px; padding: 11px 4px; border-bottom: 1px solid var(--border); }
.cmp-row:last-child { border-bottom: none; }
.cmp-row.muted { opacity: 0.72; }
.cmp-pair { display: flex; flex-direction: column; }
.cmp-pair .cmp-name { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.cmp-pair .cmp-vals { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.cmp-pair .cmp-vals .sep { color: var(--muted); margin: 0 7px; font-weight: 400; }
.cmp-delta { text-align: right; font-weight: 600; color: var(--indigo); font-variant-numeric: tabular-nums; }
.cmp-mini { width: 64px; height: 26px; }

/* ---- charts ---- */
.chart-box { position: relative; height: 280px; }
.chart-box--tall { height: 340px; }
.chart-box--strip { height: 150px; }

/* ---- controls ---- */
.head-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.seg { display: inline-flex; background: var(--panel-2); border: 1px solid var(--border); border-radius: 9px; padding: 2px; }
.seg-btn { background: transparent; border: none; color: var(--muted); padding: 5px 11px; border-radius: 7px; cursor: pointer; font-size: 12px; font-weight: 600; }
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active { background: var(--indigo-soft); color: var(--indigo); }
.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; user-select: none; }
.switch input { accent-color: var(--teal); width: 14px; height: 14px; }

/* ---- tables ---- */
.day-table-wrap { overflow-x: auto; }

/* month navigator */
.month-nav { display: inline-flex; align-items: center; gap: 6px; }
.month-nav button { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); width: 28px; height: 28px; border-radius: 8px; cursor: pointer; font-size: 14px; line-height: 1; }
.month-nav button:disabled { opacity: 0.35; cursor: default; }
.month-nav button:not(:disabled):hover { border-color: var(--indigo); }
.month-nav .ml { min-width: 104px; text-align: center; font-weight: 600; font-size: 13px; font-variant-numeric: tabular-nums; }

td.date-cell { white-space: nowrap; }
th.flags-col, td.flags-col { width: 1%; white-space: nowrap; }
th.exp-col, td.exp-col { width: 30px; padding-left: 4px; padding-right: 4px; text-align: center; }
.exp-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 12px; padding: 2px 4px; transition: transform 0.15s ease; }
.exp-btn.open { transform: rotate(90deg); color: var(--indigo); }
.month-empty { color: var(--muted); padding: 22px 6px; text-align: center; font-size: 13px; }
table.dt { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.dt th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.dt td { padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
table.dt tr.row-click { cursor: pointer; }
table.dt tr.row-click:hover { background: var(--panel-2); }
table.dt tr.is-selected { background: var(--indigo-soft); }
table.dt tr.sep-after td { border-bottom: 2px solid var(--border); }
td.right, th.right { text-align: right; }
.detail-row td { background: var(--panel-2); }
.intake-list { display: flex; flex-direction: column; gap: 6px; padding: 4px 0; }
.intake { display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 10px; }
.intake .t { color: var(--muted); font-size: 12px; }
.intake .bar { height: 8px; background: var(--indigo); border-radius: 4px; }
.intake .mg { font-weight: 600; }
.detail-note { margin-top: 8px; color: var(--muted); font-size: 13px; }

/* ---- flag chips ---- */
.chips { display: inline-flex; gap: 5px; flex-wrap: wrap; }
.chip { font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.chip.flag { color: var(--amber); border-color: rgba(240,181,74,0.4); background: rgba(240,181,74,0.08); }

.empty { color: var(--muted); padding: 40px 10px; text-align: center; }
.em { color: var(--muted); }

.other-group { margin-bottom: var(--gap); }
.other-group .group-title { font-weight: 700; font-size: 15px; margin: 6px 2px 12px; }

@media (max-width: 560px) {
  .stat-value { font-size: 22px; }
  .chart-box { height: 240px; }
}