*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--tg-theme-bg-color, #17212b);
  color: var(--tg-theme-text-color, #e1e1e1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  min-height: 100vh;
}

.app {
  padding: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.hdr {
  margin-bottom: 16px;
}

.hdr h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--tg-theme-text-color, #e1e1e1);
  margin-bottom: 2px;
}

.period {
  font-size: 13px;
  color: var(--tg-theme-hint-color, #7a8e9b);
  opacity: 0.75;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

@media (min-width: 560px) {
  .cards {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

.card {
  background: var(--tg-theme-secondary-bg-color, #1f2c3a);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card .lbl {
  font-size: 11px;
  opacity: 0.65;
  color: var(--tg-theme-text-color, #e1e1e1);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.card .val {
  font-size: 22px;
  font-weight: 700;
  color: var(--tg-theme-button-color, #2ea6ff);
  line-height: 1.1;
}

.card .sub {
  font-size: 11px;
  opacity: 0.55;
  color: var(--tg-theme-text-color, #e1e1e1);
}

.chart-block {
  background: var(--tg-theme-secondary-bg-color, #1f2c3a);
  border-radius: 12px;
  padding: 12px;
  margin-top: 14px;
}

.chart-block h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--tg-theme-text-color, #e1e1e1);
  margin-bottom: 10px;
  opacity: 0.9;
}

canvas {
  max-width: 100%;
}

.gate {
  background: var(--tg-theme-secondary-bg-color, #1f2c3a);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  margin-top: 24px;
}

.gate h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--tg-theme-text-color, #e1e1e1);
}

.gate-msg {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--tg-theme-text-color, #e1e1e1);
}

.gate-hint {
  font-size: 13px;
  opacity: 0.7;
  color: var(--tg-theme-text-color, #e1e1e1);
}