:root {
  color-scheme: light dark;

  --page-bg:
    var(--tg-bg-color, #f5f6f8);
  --surface:
    var(--tg-secondary-bg-color, #ffffff);
  --text:
    var(--tg-text-color, #17181a);
  --muted:
    var(--tg-hint-color, #74777d);
  --accent:
    var(--tg-button-color, #2f80ed);
  --accent-text:
    var(--tg-button-text-color, #ffffff);
  --divider: rgba(127, 127, 127, 0.20);

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--text);
}

body {
  padding:
    env(safe-area-inset-top)
    0
    env(safe-area-inset-bottom);
}

button,
select {
  font: inherit;
}

.app {
  width: min(100%, 760px);
  margin: 0 auto;
  min-height: 100vh;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 14px 14px 10px;
  background: var(--page-bg);
}

.title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.product-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
}

.service-title {
  color: var(--muted);
  font-size: 14px;
}

.period-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.period-tab {
  border: 0;
  border-radius: 12px;
  padding: 9px 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.period-tab.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
}

.filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 4px 14px 12px;
}

.filter {
  width: 100%;
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
}

.content {
  padding: 0 14px 90px;
}

.section-heading {
  margin: 12px 0 10px;
  font-size: 20px;
  line-height: 1.2;
}

.empty-card {
  border-radius: 16px;
  background: var(--surface);
  padding: 20px;
}

.empty-card strong {
  display: block;
  margin-bottom: 6px;
}

.empty-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}