:root {
  --tg-theme-bg-color: #fff;
  --tg-theme-text-color: #000;
  --tg-theme-hint-color: #999;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #2481cc;
  --tg-theme-button-text-color: #fff;
  --primary: #2c3e50;
  --accent: #3498db;
  --border: #e0e0e0;
  --header-bg: #34495e;
  --row-alt: #f8f9fa;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #f5f5f5);
  color: var(--tg-theme-text-color, #333);
  padding: 12px;
  padding-bottom: 24px;
  min-height: 100vh;
  box-sizing: border-box;
}

body * { box-sizing: border-box; }

.container { max-width: 480px; margin: 0 auto; }

h1 {
  font-size: 1.35rem;
  margin: 0 0 16px;
  color: var(--primary);
}

h2 {
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--primary);
}

.card {
  background: var(--tg-theme-bg-color, #fff);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.params label {
  display: block;
  font-size: 0.85rem;
  color: var(--tg-theme-hint-color, #666);
  margin-top: 10px;
  margin-bottom: 4px;
}

.params label:first-of-type { margin-top: 0; }

.params input[type="number"],
.params input[type="date"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #000);
}

.type-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.radio {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  cursor: pointer;
}

.btn {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 16px;
}

.btn.primary {
  background: var(--tg-theme-button-color, var(--accent));
  color: var(--tg-theme-button-text-color, #fff);
}

.tab-head {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 16px;
  border: none;
  background: none;
  color: var(--tg-theme-hint-color, #666);
  font-size: 0.95rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -16px;
  padding: 0 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

th, td {
  padding: 8px 6px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--header-bg);
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
}

tbody tr:nth-child(even) { background: var(--row-alt); }

td:nth-child(3), td:nth-child(4), td:nth-child(5), td:nth-child(6) { text-align: right; }
th:nth-child(3), th:nth-child(4), th:nth-child(5), th:nth-child(6) { text-align: right; }

#comparePlaceholder {
  color: var(--tg-theme-hint-color, #666);
  margin: 0;
}

.compare-content {
  font-size: 0.9rem;
  line-height: 1.6;
}

.compare-content h3 { font-size: 0.95rem; margin: 12px 0 6px; color: var(--primary); }
.compare-content p { margin: 4px 0; }
.compare-content .conclusion { margin-top: 12px; font-weight: 600; color: var(--primary); }

@media (max-width: 380px) {
  table { font-size: 0.72rem; }
  th, td { padding: 6px 4px; }
}