/* Same visual style */
.tc-wrap{
  max-width:1000px;
  margin:24px auto;
  background:#fff;
  border-radius:8px;
  box-shadow:0 6px 18px rgba(0,0,0,0.08);
  padding:20px;
  font-family:Arial, sans-serif;
}
.tc-wrap h2{margin-top:0;color:#1a237e;}
.tc-form{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;}
.tc-form input, .tc-form select{padding:10px;border:1px solid #ddd;border-radius:4px;flex:1 1 180px;}
.tc-form button{background:#1a237e;color:#fff;padding:10px 16px;border:none;border-radius:4px;cursor:pointer;}
.tc-result{margin-top:12px;padding:12px;border-top:1px solid #eee;background:#fafafa;border-radius:4px;min-height:40px;}
.tc-item{padding:8px;border-bottom:1px solid #eee;}
.tc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
@media(max-width:700px){ .tc-grid{grid-template-columns:repeat(2,1fr);} }