.expansion-tool { max-width: 1240px; margin: 0 auto; padding: 24px; }
.expansion-columns { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); gap: 24px; align-items: start; }
.expansion-tool .usc-card { margin-bottom: 24px; padding: 24px; }
.expansion-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.expansion-field { display:flex; flex-direction:column; gap:6px; min-width:0; }
.expansion-field[hidden], .expansion-tool [hidden] { display:none !important; }
.expansion-field label { font-weight:600; color:#243449; }
.expansion-field input,.expansion-field select { width:100%; min-width:0; min-height:44px; padding:10px; border:1px solid #728092; border-radius:8px; background:#fff; color:#172638; }
.expansion-field input::placeholder { color:#647082; }
.expansion-field small { color:#48566b; }
.expansion-tool button { min-height:44px; padding:10px 16px; border:1px solid #52637a; border-radius:8px; background:#fff; color:#243449; cursor:pointer; }
.expansion-tool .expansion-primary { background:#075b91; border-color:#075b91; color:#fff; }
.expansion-actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }
.expansion-amount { display:block; font-size:clamp(1.8rem,5vw,2.5rem); color:#075b91; overflow-wrap:anywhere; margin:12px 0; }
#expansionRows > div { display:flex; justify-content:space-between; gap:14px; padding:10px 0; border-bottom:1px solid #dce3ec; }
#expansionRows dt { font-weight:400; } #expansionRows dd { margin:0; font-weight:600; text-align:right; overflow-wrap:anywhere; }
#expansionError,.expansion-notice { padding:14px; background:#fff4d6; color:#60430b; border:1px solid #bd9444; border-radius:8px; margin:12px 0; }
.expansion-tool [aria-invalid=true] { border:2px solid #a42620; }
.expansion-tool a { color:#075b91; } .expansion-tool summary { min-height:44px; padding:12px 0; cursor:pointer; font-weight:600; }
.expansion-table-scroll { overflow:auto; max-height:400px; } .expansion-tool table { width:100%; border-collapse:collapse; } .expansion-tool th,.expansion-tool td { text-align:right; padding:8px; border-bottom:1px solid #dce3ec; }
@media(max-width:850px) { .expansion-columns { grid-template-columns:1fr; } }
@media(max-width:520px) { .expansion-tool { padding:12px; } .expansion-tool .usc-card { padding:16px; } .expansion-fields { grid-template-columns:1fr; } }
.expansion-tool li > a { display: inline-block; padding: 7px 0; min-height: 36px; }