:root { --osh-primary: #0C7C59; --osh-bg:#f8fafc; --osh-card:#ffffff; --osh-text:#0f172a; --osh-muted:#64748b; }
#osh-calculators { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji","Segoe UI Emoji"; color: var(--osh-text); }
.osh-wrap { background: var(--osh-bg); border-radius: 14px; padding: 16px; box-shadow: 0 2px 8px rgba(2,6,23,.06); }
.osh-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.osh-tab { border:1px solid #e2e8f0; background:#fff; border-radius: 10px; padding:8px 12px; cursor:pointer; }
.osh-tab.active { background: var(--osh-primary); color: #fff; border-color: var(--osh-primary); }
.osh-card { background: var(--osh-card); border: 1px solid #e2e8f0; border-radius: 14px; padding:16px; }
.osh-grid { display:grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap:12px; }
@media (max-width: 640px){ .osh-grid{ grid-template-columns: 1fr; } }
.osh-field { display:flex; flex-direction:column; gap:6px; }
.osh-field label { font-size: 12px; color: var(--osh-muted); }
.osh-input, .osh-select { border:1px solid #cbd5e1; border-radius:10px; padding:10px 12px; font-size:14px; }
.osh-btn { display:inline-block; background:var(--osh-primary); color:#fff; padding:10px 14px; border-radius:10px; border:none; cursor:pointer; }
.osh-row { display:flex; align-items:center; justify-content:space-between; padding:8px 0; border-top:1px dashed #e2e8f0; }
.osh-row:first-child{ border-top:none; }
.osh-kv { font-weight:600; }
.osh-note { font-size:12px; color: var(--osh-muted); margin-top:8px; }
.small { font-size:12px; color: var(--osh-muted); }