:root{
  --bg:#fafafa;
  --card:#ffffff;
  --muted:#666666;
  --text:#333333;
  --accent:#2563eb;
  --accent2:#059669;
  --border:#e5e7eb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji",sans-serif}
a{color:var(--accent)}
code,kbd{background:#f1f3f4;border:1px solid var(--border);padding:.1rem .35rem;border-radius:.35rem}

.site-header{padding:2.2rem 1rem 1.2rem;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#ffffff,#fafafa);text-align:center}
.site-header h1{margin:0 0 .2rem;font-size:1.9rem}
.subtitle{margin:0;color:var(--muted)}

.container{max-width:1100px;margin:0 auto;padding:1.2rem}

.tab-nav{display:flex;gap:.5rem;flex-wrap:wrap;margin:.5rem 0 1rem}
.tab-btn{background:#f8fafc;border:1px solid var(--border);color:var(--text);padding:.5rem .9rem;border-radius:.7rem;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,0.05)}
.tab-btn.active{background:linear-gradient(180deg,#ffffff,#f8fafc);border-color:#2563eb;color:var(--accent);box-shadow:0 2px 4px rgba(37,99,235,0.15)}

.tab-content{display:none}
.tab-content.active{display:block}

.card{background:var(--card);border:1px solid var(--border);border-radius:1rem;padding:1rem 1rem;margin:1rem 0;box-shadow:0 2px 8px rgba(0,0,0,0.08)}
.card h2{margin-top:.2rem}

.row{display:flex;gap:1rem;flex-wrap:wrap}
.col{flex:1 1 280px}
.tips{align-self:flex-end}

label{display:block;margin:.3rem 0 .15rem}
input[type="text"], input[type="number"]{
  width:100%;padding:.55rem .6rem;border-radius:.6rem;border:1px solid var(--border);
  background:#ffffff;color:var(--text);border:1px solid var(--border);
}
select{
  width:auto;min-width:120px;padding:.55rem .6rem;border-radius:.6rem;border:1px solid var(--border);
  background:#ffffff;color:var(--text);border:1px solid var(--border);
}
.inline{display:inline-flex;gap:.4rem;align-items:center;margin-left:.6rem}

.key-length-section{margin-bottom:.8rem}
.input-help{margin-bottom:.8rem}
.input-help p{margin:.4rem 0;font-size:.9rem;line-height:1.4}

.help-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--muted);
  color:#ffffff;
  font-size:11px;
  font-weight:bold;
  margin-left:.3rem;
  cursor:help;
  line-height:1;
}

.columns{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.8rem}
.col-box{background:#ffffff;border:1px dashed var(--border);border-radius:.8rem;padding:.6rem}
.col-box h4{margin:.1rem 0 .3rem;color:var(--muted);font-weight:600}
.col-box input{font-family:ui-monospace,Consolas,monospace}

.params-row{display:flex;align-items:center;gap:1.5rem;margin-top:.8rem;flex-wrap:wrap}
.params-row label{margin:0}
.params-row input{width:120px;margin-left:.4rem}

.run-actions{display:flex;align-items:center;gap:.6rem;margin-top:.8rem}

.btn{border:1px solid var(--border);background:#f8fafc;color:var(--text);padding:.5rem .9rem;border-radius:.7rem;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,0.05)}
.btn:hover{border-color:#9ca3af;background:#f1f5f9;box-shadow:0 2px 4px rgba(0,0,0,0.1)}
.btn-primary{background:linear-gradient(180deg,#3b82f6,#2563eb);border-color:#2563eb;color:#ffffff;box-shadow:0 2px 4px rgba(59,130,246,0.3)}
.btn-primary:hover{background:linear-gradient(180deg,#2563eb,#1d4ed8);border-color:#1d4ed8;color:#ffffff;box-shadow:0 3px 6px rgba(59,130,246,0.4)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-secondary{background:linear-gradient(180deg,#10b981,#059669);border-color:#059669;color:#ffffff;box-shadow:0 2px 4px rgba(16,185,129,0.3)}
.btn-secondary:hover{background:linear-gradient(180deg,#059669,#047857);border-color:#047857;color:#ffffff;box-shadow:0 3px 6px rgba(16,185,129,0.4)}

.result-groups details{background:#ffffff;border:1px solid var(--border);border-radius:.8rem;margin:.6rem 0}
.result-groups summary{cursor:pointer;padding:.55rem .7rem;color:var(--accent)}
.result-list{padding:.6rem .7rem .9rem}
.result-item{display:flex;justify-content:space-between;gap:.8rem;padding:.45rem .6rem;border-bottom:1px dashed var(--border)}
.result-item:last-child{border-bottom:none}
.badge{font-size:.8rem;color:#ffffff;background:var(--accent);border-radius:.5rem;padding:.1rem .4rem}
.kv{font-family:ui-monospace,Consolas,monospace}
.kv mark{background:#fff3cd;color:#856404;padding:.1rem .2rem;border-radius:.2rem}

.results-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:.8rem;flex-wrap:wrap;gap:.5rem}
.filter-controls{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}

.dictionary-info{margin-top:.8rem}
.dict-list-container{display:grid;gap:.4rem;margin-top:.4rem}
.dict-card{background:#ffffff;border:1px solid var(--border);border-radius:.6rem;padding:.5rem}

.footer{margin:2rem auto 2.6rem;border-top:1px solid var(--border);padding-top:1rem;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}

#exportInfo{white-space:pre-line;line-height:1.4}

@media (max-width:560px){
  .params-row{flex-direction:column;align-items:stretch;gap:.8rem}
  .params-row label{display:flex;align-items:center;justify-content:space-between}
  .params-row input{width:auto;margin-left:0;flex:1;margin-left:.5rem}
  .run-actions{flex-direction:column;align-items:stretch}
}