/* Цвета берутся из темы Telegram; запасные значения — для просмотра в браузере. */
:root {
  color-scheme: light;
  --page: var(--tg-theme-secondary-bg-color, #f2f2f7);
  --card: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #ffffff));
  --text: var(--tg-theme-text-color, #0b0b0b);
  --muted: var(--tg-theme-hint-color, #6d6d72);
  --line: var(--tg-theme-section-separator-color, #e1e0d9);
  --accent: var(--tg-theme-button-color, #2a78d6);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --control: rgba(118, 118, 128, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: var(--tg-theme-secondary-bg-color, #000000);
    --card: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #1c1c1d));
    --text: var(--tg-theme-text-color, #ffffff);
    --muted: var(--tg-theme-hint-color, #98989f);
    --line: var(--tg-theme-section-separator-color, #2c2c2a);
    --accent: var(--tg-theme-button-color, #3987e5);
    --control: rgba(118, 118, 128, 0.24);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px max(16px, env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
}

.muted {
  color: var(--muted);
}

.top h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
}

.top p {
  margin: 2px 0 0;
  min-height: 1.4em;
}

/* Period controls stay at hand while scrolling the charts. */
.controls {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 8px -16px 0;
  padding: 8px 16px 10px;
  background: var(--page);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  padding: 2px;
  border-radius: 10px;
  background: var(--control);
}

.segmented button {
  border: 0;
  border-radius: 8px;
  padding: 7px 0;
  background: transparent;
  font-weight: 500;
}

.segmented button[aria-checked="true"] {
  background: var(--card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  font-weight: 650;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.pager span {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: opacity 0.15s;
}

.pager.loading span {
  opacity: 0.4;
}

.arrow {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--control);
  font-size: 26px;
  line-height: 1;
}

.arrow:disabled {
  opacity: 0.3;
  cursor: default;
}

/* Inside the sticky controls, so it is visible wherever the page is scrolled. */
.message {
  margin: 10px 0 0;
  text-align: center;
  color: var(--muted);
}

.content {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--card);
}

.tile .label {
  color: var(--muted);
  font-size: 13px;
}

.tile .value {
  font-size: 24px;
  font-weight: 650;
}

.tile .delta {
  font-size: 13px;
}

.card {
  min-width: 0;
  padding: 14px 14px 12px;
  border-radius: 16px;
  background: var(--card);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 650;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.card-head h2 {
  margin: 0;
}

.average {
  flex: none;
  font-size: 13px;
  white-space: nowrap;
}

.average b {
  color: var(--text);
  font-weight: 650;
}

/* A short dashed key, the same as the average line on the chart. */
.average i {
  display: inline-block;
  width: 16px;
  margin-right: 6px;
  vertical-align: middle;
  border-top: 1.5px dashed var(--text);
}

.average[hidden] {
  display: none;
}

.chart {
  position: relative;
  height: 160px;
}

.chart.tall {
  height: 230px;
}

.chart.schedule {
  height: 320px;
}

.note {
  margin: 8px 0 0;
  font-size: 13px;
}

#day-card h2 {
  margin-bottom: 2px;
}

#day-summary {
  margin: 0 0 8px;
}

.feedings {
  margin: 0;
  padding: 0;
  list-style: none;
  font-variant-numeric: tabular-nums;
}

.feedings li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.days {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.days th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-align: right;
  padding: 0 0 6px;
}

.days th:first-child,
.days td:first-child {
  text-align: left;
}

.days td {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  text-align: right;
}

.days tr[data-day] {
  cursor: pointer;
}

.days tr.selected td {
  font-weight: 650;
}

@media (min-width: 720px) {
  .tiles {
    grid-template-columns: repeat(4, 1fr);
  }

  .content {
    grid-template-columns: 1fr 1fr;
  }

  .tiles,
  .wide {
    grid-column: 1 / -1;
  }
}