.calculator-share-button { display:block; margin:8px auto 18px; padding:9px 14px; border:1px solid #cbd5e1; border-radius:8px; background:#fff; color:#334155; font-size:14px; cursor:pointer; }
.calculator-share-dialog { width:min(620px, calc(100% - 32px)); max-height:90vh; overflow:auto; border:0; border-radius:16px; padding:24px; box-shadow:0 16px 64px #0003; color:#1f2937; }
.calculator-share-dialog::backdrop { background:#0008; }
.calculator-share-dialog h2 { font-size:21px; margin:0 0 12px; }
.calculator-share-dialog p { font-size:14px; line-height:1.6; }
.calculator-share-dialog textarea { display:block; width:100%; min-height:145px; margin:12px 0; padding:12px; font-family:monospace; font-size:13px; border:1px solid #cbd5e1; border-radius:8px; box-sizing:border-box; }
.calculator-share-preview { margin:16px 0; }
.calculator-share-actions { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.calculator-share-actions button, .calculator-share-actions a { padding:9px 14px; border:1px solid #cbd5e1; border-radius:8px; background:#fff; color:#334155; text-decoration:none; cursor:pointer; font-size:14px; }
.calculator-share-actions .calculator-share-copy { background:#2563eb; color:#fff; border-color:#2563eb; }
.calculator-share-status { min-height:22px; margin-top:10px; font-size:13px; }