/* zakr.css — Закрепление подвижного состава */

#zakr-root {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 20px 60px;
  font-family: inherit;
}

.zakr-header { margin-bottom: 20px; }
.zakr-header h2 { margin: 0 0 4px; font-size: 18px; font-weight: 600; color: var(--text-primary, #1C2128); }
.zakr-subtitle { font-size: 13px; color: #888; }

/* ─── Калькулятор ──────────────────────────────────────── */
.zakr-calc-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.zakr-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 12px;
}
@media (max-width: 520px) {
  .zakr-inputs { grid-template-columns: 1fr; }
}

.zakr-field { display: flex; flex-direction: column; gap: 6px; }
.zakr-field label { font-size: 13px; font-weight: 500; color: #555; }
.zakr-field input, .zakr-field select {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  background: #fff;
  transition: border-color 0.15s;
}
.zakr-field input:focus, .zakr-field select:focus {
  border-color: var(--accent, #D32F2F);
}
.zakr-cond-field { margin-bottom: 14px; }
.zakr-cond-field select { width: 100%; }

/* ─── Результат ────────────────────────────────────────── */
.zakr-result-card {
  background: #f0f7ff;
  border: 1px solid #b3d4f5;
  border-radius: 10px;
  padding: 16px;
  margin-top: 4px;
}
.zakr-result-main {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}
.zakr-result-num {
  font-size: 52px;
  font-weight: 800;
  color: var(--accent, #D32F2F);
  line-height: 1;
}
.zakr-result-unit { font-size: 18px; font-weight: 600; color: #1C2128; }

.zakr-result-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  margin-bottom: 10px;
}
.zakr-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #555;
  padding: 3px 0;
  border-bottom: 1px solid #d0e8ff;
}
.zakr-detail-row:last-child { border-bottom: none; }
.zakr-formula { color: #333; font-size: 12px; }
.zakr-result-note { font-size: 12px; color: #888; margin-top: 4px; }

/* ─── Блок формул ──────────────────────────────────────── */
.zakr-formulas-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.zakr-section-title {
  font-size: 14px;
  font-weight: 700;
  color: #444;
  margin-bottom: 12px;
}
.zakr-ftable {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.zakr-ftable td {
  padding: 7px 10px;
  border-bottom: 1px solid #eee;
  color: #333;
  vertical-align: middle;
}
.zakr-ftable tr:last-child td { border-bottom: none; }
.zakr-fml {
  font-family: monospace;
  font-size: 13px;
  color: #1a5276;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}
.zakr-table-note { font-size: 12px; color: #888; margin-top: 8px; line-height: 1.5; }

/* ─── Примечание ───────────────────────────────────────── */
.zakr-info {
  font-size: 13px;
  color: #777;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 12px 16px;
  line-height: 1.5;
}