:root {
  --sif-bg: #fff;
  --sif-text: #0f172a;
  --sif-border: #c7e1a9;
  --sif-green: #b7e08a;
  --sif-blue-strong: #1f4d9b;
  --sif-muted: #64748b;
  --sif-head: #0b2b52;
  --sif-font: 15px;
}

.sif-wrap {
  max-width: 900px;
  margin: 24px auto;
  padding: 0 12px;
}

.sif-card {
  border: 1px solid #e7eaf0;
  border-radius: 16px;
  box-shadow: 0 8px 26px rgba(18,38,63,.08);
  padding: 20px;
  background: var(--sif-bg);
  color: var(--sif-text);
}

.sif-card.sif-dark {
  background: #0f172a;
  color: #f8fafc;
  border-color: #1e293b;
}

.sif-title {
  margin: 0 0 8px 0;
  color: var(--sif-head);
}

.sif-grid-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sif-grid-form--two {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 820px) {
  .sif-grid-form,
  .sif-grid-form--two {
    grid-template-columns: 1fr;
  }
}

.sif-lab {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--sif-font);
}

.sif-help {
  color: var(--sif-muted);
  font-size: 12px;
}

.sif-input {
  height: 48px;
  border: 2px solid #c7e1a9;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 16px;
  background: #f3fce9;
}

.sif-input-group {
  display: flex;
  align-items: center;
}

.sif-input-group input {
  flex: 1;
  height: 48px;
  border: 2px solid #c7e1a9;
  border-left: 0;
  border-radius: 0 10px 10px 0;
  padding: 8px 12px;
  font-size: 16px;
  background: #f3fce9;
}

.sif-pre {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 48px;
  background: #e8f6d1;
  border: 2px solid #c7e1a9;
  border-right: 0;
  border-radius: 10px 0 0 10px;
  font-weight: 600;
  color: #335c1a;
}

.sif-pre.sif-pre-blue {
  background: #e1f2ff;
  border-color: #a3d3fb;
  color: #0b4a8d;
}

.sif-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sif-btn {
  background: var(--sif-blue-strong);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
}

.sif-result {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.sif-box {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.sif-box h4 {
  margin: 0 0 8px 0;
  color: #0b2b52;
}

.sif-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

@media (max-width: 900px) {
  .sif-kpis {
    grid-template-columns: 1fr;
  }
}

.sif-kpi {
  background: #f5fff0;
  border: 1px solid #d7f1c2;
  border-radius: 10px;
  padding: 10px;
}

.sif-kpi span {
  display: block;
  font-size: 12px;
  color: #64748b;
}

.sif-kpi strong {
  font-size: 18px;
}

.sif-table-res {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
}

.sif-table-res th,
.sif-table-res td {
  background: #f5fff0;
  border: 1px solid #d7f1c2;
  padding: 10px;
  border-radius: 8px;
  text-align: left;
  font-size: 15px;
}

.sif-note {
  display: block;
  margin-top: 8px;
  color: #64748b;
  font-size: 12px;
}

.sif-msg {
  font-size: 12px;
  color: #b45309;
}