* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--tg-theme-bg-color, #F7F4EF);
  color: var(--tg-theme-text-color, #2E2A24);
}

h1 {
  font-size: 22px;
  margin: 0 0 12px;
}

.filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.filter-chip {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: transparent;
  color: inherit;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}

.filter-chip.active {
  background: var(--tg-theme-button-color, #2E2A24);
  color: var(--tg-theme-button-text-color, #fff);
  border-color: transparent;
}

.group-label {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.6;
  margin: 20px 0 8px;
}

.group-label:first-child {
  margin-top: 0;
}

.task-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  margin-bottom: 8px;
  background: var(--tg-theme-secondary-bg-color, #fff);
  border-radius: 10px;
}

.task-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.2);
  background: transparent;
  flex-shrink: 0;
  cursor: pointer;
}

.task-body {
  flex: 1;
  min-width: 0;
}

.task-text {
  font-size: 15px;
  margin-bottom: 2px;
}

.task-meta {
  font-size: 12px;
  opacity: 0.6;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.task-time {
  font-size: 13px;
  opacity: 0.7;
  white-space: nowrap;
}

.empty-state, .error-state {
  text-align: center;
  opacity: 0.6;
  padding: 40px 0;
}