:root{
  --red:#F11423;
  --black:#000000;
  --dark:#2B2A29;
  --gray:#7A7A7A;
  --lightgray:#D9D9D9;
  --bg:#F7F7F7;
  --white:#FFFFFF;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  background:var(--white);
  color:var(--dark);
  line-height:1.5;
  font-size:15px;
}
h1,h2{font-family:Arial, Helvetica, sans-serif;}
.hidden{display:none !important;}

/* ---------- header ---------- */
.topbar{border-bottom:1px solid var(--lightgray);}
.topbar-inner{
  max-width:980px;margin:0 auto;padding:18px 24px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.brand-left{display:flex;align-items:center;gap:14px;}
.brand-kicker{display:block;color:var(--red);font-weight:700;font-size:11px;letter-spacing:0.08em;}
.brand-title{margin:0;font-size:22px;font-weight:800;color:var(--black);}
.brand-right{display:flex;align-items:center;gap:8px;}
.brand-logo{height:34px;width:auto;display:block;}
.btn-small{padding:7px 12px;font-size:11.5px;}

/* ---------- side panels (history / help) ---------- */
.side-panel-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.35);z-index:20;}
.side-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(380px,92vw);
  background:var(--white);border-left:1px solid var(--lightgray);
  z-index:21;overflow-y:auto;box-shadow:-4px 0 16px rgba(0,0,0,0.12);
}
.side-panel-inner{padding:22px;}
.side-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;}
.side-panel-head h3{margin:0;font-size:16px;font-weight:800;color:var(--black);}
.btn-close{background:none;border:none;font-size:22px;line-height:1;color:var(--gray);cursor:pointer;padding:0 4px;}
.btn-close:hover{color:var(--red);}

.help-dl{margin:14px 0;}
.help-dl dt{font-weight:800;font-size:13px;color:var(--black);margin-top:12px;}
.help-dl dt:first-child{margin-top:0;}
.help-dl dd{margin:3px 0 0;font-size:12.5px;color:var(--gray);}

.history-list{display:flex;flex-direction:column;gap:8px;margin:14px 0;}
.history-item{
  text-align:left;background:var(--bg);border:1px solid var(--lightgray);
  padding:10px 12px;cursor:pointer;font-family:Arial,sans-serif;
}
.history-item:hover{border-color:var(--dark);}
.history-item-title{font-weight:700;font-size:12.5px;color:var(--black);}
.history-item-meta{font-size:10.5px;color:var(--gray);margin:2px 0 6px;}
.history-item-preview{
  font-family:'Courier New',monospace;font-size:11px;color:var(--dark);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- layout ---------- */
.wrap{max-width:980px;margin:0 auto;padding:32px 24px 60px;}
.intro{color:var(--gray);font-size:14.5px;max-width:720px;margin:0 0 28px;}

.card{border:1px solid var(--lightgray);padding:22px;margin-bottom:20px;}
.card h2{font-size:15px;font-weight:800;margin:0 0 4px;color:var(--black);}
.hint{color:var(--gray);font-size:12.5px;margin:0 0 16px;}

/* ---------- JD input / dropzone ---------- */
.dropzone{position:relative;}
.dropzone.drag-over textarea{border-color:var(--red);}
.dropzone-overlay{
  display:none;position:absolute;inset:0;background:rgba(241,20,35,0.06);
  border:2px dashed var(--red);align-items:center;justify-content:center;
  font-weight:700;color:var(--red);pointer-events:none;
}
.dropzone.drag-over .dropzone-overlay{display:flex;}
textarea{
  width:100%;min-height:120px;resize:vertical;
  border:1px solid var(--lightgray);padding:12px;
  font-family:Arial, sans-serif;font-size:13.5px;color:var(--dark);
}
textarea:focus{outline:2px solid var(--red);outline-offset:1px;}

.row-actions{display:flex;align-items:center;gap:16px;margin-top:14px;flex-wrap:wrap;}
.file-label{font-size:12.5px;color:var(--gray);cursor:pointer;}
.file-label input{display:block;margin-top:4px;font-size:12px;}

/* ---------- buttons ---------- */
.btn{
  font-family:Arial, sans-serif;font-weight:700;font-size:13px;
  border:none;padding:10px 18px;cursor:pointer;text-decoration:none;
  display:inline-block;transition:opacity .15s ease;
}
.btn:hover{opacity:.85;}
.btn-primary{background:var(--red);color:var(--white);padding:13px 30px;font-size:14px;}
.btn-dark{background:var(--dark);color:var(--white);}
.btn-ghost{background:var(--lightgray);color:var(--dark);}
.btn-copy{background:var(--black);color:var(--white);font-size:11px;padding:7px 14px;margin-top:10px;}
.btn-engine{background:var(--white);color:var(--dark);border:1px solid var(--dark);padding:8px 16px;font-size:12.5px;}
.btn-engine:hover{background:var(--dark);color:var(--white);opacity:1;}
.btn-engine-primary{background:var(--red);color:var(--white);border-color:var(--red);font-weight:700;}
.btn-engine-primary:hover{background:var(--dark);border-color:var(--dark);}

/* ---------- RADAR grid ---------- */
.radar-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
@media (max-width:900px){.radar-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.radar-grid{grid-template-columns:1fr;}}

.field{background:var(--bg);padding:16px 14px;border-top:4px solid var(--dark);min-height:200px;display:flex;flex-direction:column;}
.field-alt{border-top-color:var(--red);}
.field-letter{font-family:Arial,Helvetica,sans-serif;font-weight:800;font-size:24px;color:var(--dark);line-height:1;}
.field-letter-exclude{color:var(--red);}
.field-label{font-weight:700;font-size:13px;margin:8px 0 1px;color:var(--black);}
.field-label-exclude{color:var(--red);}
.field-desc{font-size:10.5px;color:var(--gray);margin-bottom:10px;}

.alcance-country-row select{
  width:100%;border:1px solid var(--lightgray);padding:6px 6px;
  font-size:11.5px;margin-bottom:8px;background:var(--white);color:var(--dark);
}

.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px;flex:1;align-content:flex-start;}
.chip{
  background:var(--white);border:1px solid var(--lightgray);
  font-size:11px;padding:4px 6px 4px 10px;border-radius:12px;
  display:flex;align-items:center;gap:6px;color:var(--dark);max-width:100%;
}
.chip span{overflow-wrap:anywhere;}
.chip button{background:none;border:none;color:var(--gray);font-size:13px;padding:0 2px;cursor:pointer;font-weight:700;}
.chip button:hover{color:var(--red);}

.field-input{width:100%;border:1px solid var(--lightgray);padding:7px 8px;font-size:12px;font-family:Arial,sans-serif;}
.field-input:focus{outline:2px solid var(--red);outline-offset:1px;}

.synonyms-row{margin-top:10px;}
.synonyms-label{font-size:10.5px;color:var(--gray);display:block;margin-bottom:5px;}
.synonyms-list{display:flex;flex-wrap:wrap;gap:5px;}
.synonym-pill{
  background:var(--white);border:1px dashed var(--gray);color:var(--dark);
  font-size:10.5px;padding:3px 8px;border-radius:10px;cursor:pointer;font-family:Arial,sans-serif;
}
.synonym-pill:hover{border-color:var(--red);color:var(--red);}

/* ---------- networks ---------- */
.network-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px;}
.network-tab{
  border:1px solid var(--lightgray);background:var(--white);color:var(--dark);
  padding:9px 16px;font-size:12.5px;font-weight:700;cursor:pointer;
}
.network-tab.active{background:var(--dark);color:var(--white);border-color:var(--dark);}
.network-description{
  font-size:12.5px;color:var(--dark);background:var(--bg);
  border-left:3px solid var(--red);padding:10px 12px;margin:4px 0 0;
}
.custom-site-row, .github-mode-row{margin-top:12px;font-size:12.5px;}
.custom-site-row input{border:1px solid var(--lightgray);padding:6px 8px;margin-left:8px;font-size:12.5px;}
.github-mode-row label{margin-right:20px;}
.stars-input input{width:80px;border:1px solid var(--lightgray);padding:5px 6px;margin-left:6px;}

/* ---------- generate ---------- */
.generate-row{text-align:center;margin:30px 0;}

/* ---------- results ---------- */
.results{display:none;}
.results.show{display:block;}

.result-hero{border:2px solid var(--dark);padding:24px;margin-bottom:18px;}
.result-hero-label{font-weight:800;font-size:12px;color:var(--red);letter-spacing:0.04em;margin-bottom:10px;}
.boolean-box{
  background:var(--dark);color:var(--white);padding:14px 16px;
  font-family:'Courier New',monospace;font-size:13px;line-height:1.5;
  word-break:break-word;margin-bottom:8px;
}
.boolean-box-lg{font-size:14.5px;padding:18px 18px;}
.platform-note{font-size:12px;color:var(--gray);margin:6px 0 0;}
.relaxed-toggle{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--dark);margin-top:14px;cursor:pointer;}
.relaxed-toggle input{cursor:pointer;}
.platform-note-warn{color:var(--red);font-weight:700;}
.platform-note-warn code{background:var(--bg);padding:1px 4px;font-family:'Courier New',monospace;}

.result-secondary{border:1px solid var(--lightgray);padding:20px;margin-bottom:16px;}
.platform-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
.platform-name{font-weight:800;font-size:14px;color:var(--black);font-family:Arial,Helvetica,sans-serif;}
.engine-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;}

.privacy-note{color:var(--gray);font-size:11.5px;margin-top:24px;}

.feedback-row{text-align:center;margin-top:14px;}

.feedback-form{display:flex;flex-direction:column;gap:6px;margin-top:14px;}
.feedback-form select, .feedback-form textarea{
  width:100%;border:1px solid var(--lightgray);padding:8px;
  font-family:Arial,sans-serif;font-size:12.5px;color:var(--dark);background:var(--white);
}
.feedback-form textarea{resize:vertical;min-height:110px;}
.feedback-label{font-size:11px;font-weight:700;color:var(--dark);margin-top:6px;}
.feedback-form .btn-primary{margin-top:6px;}

/* ---------- footer ---------- */
.page-footer{
  border-top:1px solid var(--lightgray);text-align:center;
  padding:28px 20px;font-size:12px;color:var(--gray);
}
.footer-logo{height:26px;width:auto;margin-bottom:10px;}
.footer-credit{margin:0 0 4px;font-size:12.5px;color:var(--dark);}
.footer-credit strong{color:var(--black);}
.footer-rights{margin:0;font-size:11px;color:var(--gray);}