.crt-tool{--crt-accent:#0b5d3b;--crt-accent-2:#e8f4ee;--crt-border:#d6dde3;--crt-text:#1d2733;--crt-muted:#5b6773;--crt-bg:#fff;--crt-err:#b3261e;
  border:1px solid var(--crt-border);border-radius:12px;padding:20px;margin:0 0 28px;background:var(--crt-bg);color:var(--crt-text);font-size:16px;line-height:1.5}
.crt-tool *{box-sizing:border-box}
.crt-tool h4{margin:18px 0 8px;font-size:1.05em}
.crt-field{display:flex;flex-direction:column;gap:4px;margin:0 0 12px}
.crt-field label{font-weight:600;font-size:.92em}
.crt-field small{color:var(--crt-muted);font-size:.82em}
.crt-tool input[type=text],.crt-tool input[type=number],.crt-tool input[type=date],.crt-tool select,.crt-tool textarea{width:100%;padding:9px 10px;border:1px solid var(--crt-border);border-radius:8px;font-size:16px;background:#fff;color:inherit;min-height:42px}
.crt-tool textarea{min-height:110px;font-family:inherit}
.crt-tool input:focus,.crt-tool select:focus,.crt-tool textarea:focus{outline:2px solid var(--crt-accent);outline-offset:1px;border-color:var(--crt-accent)}
.crt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0 14px}
.crt-grid3{grid-template-columns:repeat(3,1fr)}
.crt-check{display:flex;align-items:center;gap:8px;margin:4px 0 12px;font-weight:500}
.crt-check input{width:18px;height:18px}
.crt-actions{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 4px}
.crt-btn{background:var(--crt-accent);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer;min-height:42px}
.crt-btn:hover{filter:brightness(1.1)}
.crt-btn.crt-ghost{background:var(--crt-accent-2);color:var(--crt-accent)}
.crt-btn.crt-x{background:transparent;color:var(--crt-muted);padding:6px 10px;min-height:0}
.crt-scroll{overflow-x:auto;margin:6px 0}
.crt-table{width:100%;border-collapse:collapse;font-size:.95em;margin:8px 0}
.crt-table th,.crt-table td{border-bottom:1px solid var(--crt-border);padding:7px 6px;text-align:left;vertical-align:middle}
.crt-table th{background:#f5f7f9;font-size:.85em}
.crt-table td input[type=text],.crt-table td input[type=number],.crt-table td select{min-width:72px;padding:7px}
.crt-pt td:nth-child(n+3),.crt-pt th:nth-child(n+3){text-align:center}
.crt-result:empty{display:none}
.crt-result{margin-top:16px;padding:16px;border-radius:10px;background:var(--crt-accent-2)}
.crt-stat{display:flex;flex-direction:column;padding:8px 0}
.crt-stat span{font-size:.85em;color:var(--crt-muted)}
.crt-stat strong{font-size:1.25em}
.crt-stat.crt-big strong{font-size:2em;color:var(--crt-accent)}
.crt-answer{font-size:1.05em;margin:8px 0}
.crt-answer.crt-no{color:var(--crt-err)}
.crt-note{color:var(--crt-muted);font-size:.88em;margin:8px 0 0}
.crt-err{color:var(--crt-err);font-weight:600;margin:0}
.crt-work summary{cursor:pointer;font-weight:600;margin-top:8px}
.crt-hub{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:10px 0 28px}
.crt-card{display:block;border:1px solid #d6dde3;border-radius:12px;padding:16px;text-decoration:none!important;color:#1d2733!important;background:#fff;transition:border-color .15s}
.crt-card:hover{border-color:#0b5d3b}
.crt-card strong{display:block;font-size:1.05em;color:#0b5d3b;margin-bottom:4px}
.crt-card span{font-size:.9em;color:#5b6773}
.crt-disclaimer{max-width:1100px;margin:0 auto;padding:10px 16px;font-size:12px;color:#8a949e;text-align:center}
@media (max-width:640px){
  .crt-tool{padding:14px}
  .crt-stack thead{display:none}
  .crt-stack tr{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;border:1px solid var(--crt-border);border-radius:10px;padding:10px;margin-bottom:10px}
  .crt-stack td{border:0;padding:0;display:flex;flex-direction:column;font-size:.9em}
  .crt-stack td[data-label]::before{content:attr(data-label);font-weight:600;font-size:.8em;color:var(--crt-muted)}
  .crt-stack td input[type=checkbox]{width:20px;height:20px}
  .crt-grid3{grid-template-columns:repeat(3,1fr)}
}
@media print{
  body *{visibility:hidden}
  .crt-result,.crt-result *{visibility:visible}
  .crt-result{position:absolute;left:0;top:0;width:100%;background:#fff}
  .crt-result .crt-actions{display:none}
}
/* theme overrides (BlogMagazine forces button colours) */
.crt-tool .crt-btn{color:#fff!important;background:var(--crt-accent)!important;text-transform:none!important}
.crt-tool .crt-btn.crt-ghost{color:var(--crt-accent)!important;background:var(--crt-accent-2)!important}
.crt-tool .crt-btn.crt-x{color:var(--crt-muted)!important;background:transparent!important}