:root{
  --navy:#002060;
  --navy-deep:#00143f;
  --ink:#1b2233;
  --paper:#f6f7fa;
  --card:#ffffff;
  --line:#dde1ea;
  --muted:#6b7280;
  --accent:#c8102e;
  --good:#1e7b34;
  --radius:10px;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
}
.shell{max-width:1080px;margin:0 auto;padding:0 24px 64px;}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 0;border-bottom:1px solid var(--line);margin-bottom:36px;
  flex-wrap:wrap;gap:16px;
}
.brand{display:flex;align-items:baseline;gap:8px;}
.brand-mark{
  font-family:'IBM Plex Mono',monospace;font-weight:600;
  background:var(--navy);color:#fff;padding:3px 8px;border-radius:6px;font-size:13px;letter-spacing:.04em;
}
.brand-name{font-weight:600;font-size:17px;}

.landing{padding-top:28px;}
.landing h1{font-size:30px;}
.workflow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px;}
.workflow-grid.three{grid-template-columns:repeat(3,minmax(0,1fr));}
@media (max-width:1000px){.workflow-grid.three{grid-template-columns:1fr;}}
.workflow-card{display:flex;flex-direction:column;align-items:flex-start;padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--ink);text-decoration:none;}
.workflow-symbol{display:inline-block;padding:10px 14px;background:#eef2fb;color:var(--navy);border-radius:8px;font-family:'IBM Plex Mono',monospace;font-weight:600;}
.workflow-card h2{font-size:22px;margin:24px 0 10px;}
.workflow-card p{color:var(--muted);line-height:1.6;margin:0 0 32px;}
.workflow-status,.workflow-action{margin-top:auto;font-size:14px;font-weight:600;}
.workflow-status{color:var(--muted);padding:8px 12px;background:var(--paper);border-radius:6px;}
.workflow-action{color:var(--navy);padding:8px 0;}
.workflow-link{transition:border-color .15s,box-shadow .15s;}
.workflow-link:hover{border-color:var(--navy);box-shadow:0 8px 24px rgba(0,32,96,.08);}
.workflow-link:focus-visible,.home-link:focus-visible{outline:3px solid var(--navy);outline-offset:4px;}
.home-link{display:inline-block;margin-bottom:18px;color:var(--navy);text-decoration:none;font-size:14px;font-weight:500;}
.home-link:hover{text-decoration:underline;}

.steps{display:flex;gap:22px;}
.step{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  font-weight:500;
}
.step span{
  width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  font-family:'IBM Plex Mono',monospace;
}
.step.active{color:var(--ink);}
.step.active span{background:var(--navy);border-color:var(--navy);color:#fff;}
.step.done span{background:var(--good);border-color:var(--good);color:#fff;}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;}
.panel.hidden{display:none;}
h1{font-size:22px;margin:0 0 6px;font-weight:600;}
.sub{color:var(--muted);margin:0 0 26px;max-width:70ch;font-size:14.5px;line-height:1.55;}

.dropgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.budget-settings{margin-top:24px;}
.dropcard{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fbfcfe;transition:border-color .15s,background .15s;}
.dropcard.dropzone.dragover{border-color:var(--navy);background:#eef4ff;}
.dropcard h3{margin:0 0 6px;font-size:15px;}
.dropcard p{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.5;min-height:52px;}
.req{font-size:10px;font-weight:600;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:2px;}
.opt{font-size:10px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:2px;}

.filetree-toggle{margin:0 0 14px;margin-top:-8px;}
.filetree-toggle summary{
  font-size:12.5px;font-weight:500;color:var(--navy);cursor:pointer;
  list-style:none;display:inline-flex;align-items:center;gap:5px;
}
.filetree-toggle summary::-webkit-details-marker{display:none;}
.filetree-toggle summary::before{content:"▸";font-size:10px;color:var(--muted);transition:transform .1s;}
.filetree-toggle[open] summary::before{transform:rotate(90deg);}
.filetree{
  margin:8px 0 0;padding:12px 14px;background:#f6f7fb;border:1px solid var(--line);border-radius:7px;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;line-height:1.6;color:#333;
  overflow-x:auto;white-space:pre;
}

.filepick{
  display:block;position:relative;overflow:hidden;
  border:1.5px dashed #b7c0d6;border-radius:8px;text-align:center;padding:14px;
  cursor:pointer;background:#fff;transition:border-color .15s;
}
.filepick:hover{border-color:var(--navy);}
.filepick input{position:absolute;inset:0;opacity:0;cursor:pointer;}
.filepick span{font-size:13px;font-weight:500;color:var(--navy);}
.filecount{margin-top:10px;font-size:12px;color:var(--muted);font-family:'IBM Plex Mono',monospace;}

.actionbar{display:flex;justify-content:space-between;align-items:center;margin-top:30px;gap:16px;}
.btn{
  border:none;border-radius:8px;padding:11px 22px;font-size:14px;font-weight:600;
  cursor:pointer;font-family:inherit;
}
.btn.primary{background:var(--navy);color:#fff;}
.btn.primary:hover{background:var(--navy-deep);}
.btn.primary:disabled{background:#b7c0d6;cursor:not-allowed;}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);}
.btn.ghost:hover{border-color:var(--navy);color:var(--navy);}
.error{color:var(--accent);font-size:13px;font-weight:500;}

.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;max-width:680px;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.field input,.field select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;
  font-size:14px;font-family:inherit;background:#fff;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--navy);}

.maptoolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:16px;}
.maptoolbar input{flex:1;max-width:320px;padding:9px 12px;border:1px solid var(--line);border-radius:7px;font-size:13px;}
.maplegend{display:flex;gap:14px;font-size:12px;color:var(--muted);font-family:'IBM Plex Mono',monospace;}

.maptable-wrap{max-height:480px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;}
.maptable{width:100%;border-collapse:collapse;font-size:13.5px;}
.maptable thead th{
  position:sticky;top:0;background:var(--navy);color:#fff;text-align:left;
  padding:10px 12px;font-weight:600;font-size:12.5px;
}
.maptable tbody tr{border-bottom:1px solid var(--line);}
.maptable tbody tr:hover{background:#f3f5fa;}
.maptable td{padding:8px 12px;}
.maptable td:first-child{font-family:'IBM Plex Mono',monospace;font-size:12.5px;}
.maptable select,.maptable input{
  width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:6px;font-size:13px;font-family:inherit;
}
.maptable select.excluded{color:var(--muted);font-style:italic;}
.maptable td.checkcol{width:28px;text-align:center;padding:8px 4px;}
.maptable td.checkcol input[type="checkbox"]{width:auto;margin:0;}
.maptable tr.merged{background:#f6f4ff;}
.merge-tag{
  display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--navy);
  background:#eae6ff;border:1px solid #d6cdfb;border-radius:12px;padding:2px 9px;white-space:nowrap;
}

.mergepanel{margin-top:22px;padding:16px 18px;border:1px dashed var(--line);border-radius:10px;background:#fafafe;}
.mergepanel.hidden{display:none;}
.mergepanel h3{margin:0 0 4px;font-size:14px;}
.mergepanel .sub{margin:0 0 12px;font-size:12.5px;}
.mergebar{display:flex;gap:10px;align-items:center;}
.mergebar input{flex:1;max-width:320px;padding:9px 12px;border:1px solid var(--line);border-radius:7px;font-size:13px;font-family:inherit;}
.mergelist{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.mergegroup{
  display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid #d6cdfb;
  border-radius:8px;background:#f6f4ff;font-size:13px;
}
.mergegroup .mergegroup-name{font-weight:600;color:var(--navy);white-space:nowrap;}
.mergegroup .mergegroup-members{color:var(--muted);flex:1;font-family:'IBM Plex Mono',monospace;font-size:12px;}
.mergegroup .mergegroup-remove{
  border:none;background:none;color:#a33;cursor:pointer;font-size:16px;line-height:1;padding:0 4px;
}
.mergegroup .mergegroup-remove:hover{color:#c00;}

.channellist{display:flex;flex-wrap:wrap;gap:8px;}
.channel-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 12px;
  border:1px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;user-select:none;
}
.channel-chip input[type="checkbox"]{width:auto;margin:0;}
.channel-chip.checked{background:#eae6ff;border-color:#d6cdfb;color:var(--navy);font-weight:600;}

.genstatus{margin-top:24px;padding:14px 16px;border-radius:8px;background:#eef4ff;border:1px solid #cddcf7;font-size:13.5px;}
.genstatus.error{background:#fdecec;border-color:#f3bcbc;color:#8a1f1f;}
.genstatus.ok{background:#eaf6ee;border-color:#c3e6cd;color:var(--good);}
.warnings{margin-top:14px;padding:16px 18px;border-radius:10px;background:#fff8e6;border:1px solid #f0dfa8;font-size:13px;color:#6b5200;}
.warnings.hidden,.genstatus.hidden{display:none;}
.warnings-header{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px;margin-bottom:10px;color:#5c4600;}
.warnings-icon{font-size:14px;line-height:1;}
.warnings ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;}
.warnings li{
  padding:8px 10px;border-left:3px solid #e2b93b;background:#fffdf6;border-radius:0 6px 6px 0;
  line-height:1.5;word-break:break-word;
}
.warnings-extra{margin-top:6px;max-height:260px;overflow-y:auto;}
.warnings-extra.hidden{display:none;}
.warnings-toggle{
  margin-top:10px;background:none;border:none;padding:0;font:inherit;font-weight:600;font-size:12.5px;
  color:#8a6d00;text-decoration:underline;cursor:pointer;
}
.warnings-toggle:hover{color:#5c4600;}

.downloads{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}
.downloads.hidden{display:none;}

.settings-btn{font-size:13px;padding:8px 14px;}

.modal-backdrop{
  position:fixed;inset:0;background:rgba(10,15,30,.45);
  display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;
}
.modal-backdrop.hidden{display:none;}
.modal{
  background:#fff;border-radius:var(--radius);padding:28px;max-width:440px;width:100%;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.modal h2{margin:0 0 8px;font-size:18px;font-weight:600;}
.modal .filecount{margin:10px 0;}

@media (max-width:820px){
  .workflow-grid{grid-template-columns:1fr;}
  .landing{padding-top:0;}
  .dropgrid{grid-template-columns:1fr;}
  .formgrid{grid-template-columns:1fr;}
  .steps{gap:12px;}
  .step span{width:18px;height:18px;}
}