:root{
  --bg:#0f1419; --panel:#161c24; --panel2:#1d2530; --line:#2a3340;
  --text:#e6edf3; --muted:#8b97a6; --accent:#00a19c; --accent2:#36c6c0;
  --green:#3fb950; --amber:#d29922; --red:#f85149; --blue:#58a6ff;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
h2{font-size:16px;margin:0}
code{background:var(--panel2);padding:1px 6px;border-radius:5px;font-size:12px;color:var(--accent2)}
.muted{color:var(--muted);font-size:12.5px}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:14px 24px;background:linear-gradient(90deg,#0c1118,#13202a);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:26px;color:var(--accent2)}
.brand-title{font-weight:700;font-size:16px;letter-spacing:.2px}
.brand-sub{font-size:11.5px;color:var(--muted)}
.env{font-size:11.5px;padding:5px 11px;border-radius:20px;background:var(--panel2);
  border:1px solid var(--line);color:var(--muted)}
.env.on{color:var(--green);border-color:#214b2b}
.env.off{color:var(--amber);border-color:#4b3c14}

/* tabs */
.tabs{display:flex;gap:4px;padding:0 24px;background:var(--panel);border-bottom:1px solid var(--line)}
.tab{background:none;border:none;color:var(--muted);padding:13px 16px;cursor:pointer;
  font-size:13.5px;border-bottom:2px solid transparent;font-weight:500}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);border-bottom-color:var(--accent)}
.count{background:var(--amber);color:#1a1a1a;border-radius:10px;padding:0 7px;font-size:11px;
  font-weight:700;margin-left:4px}
.count:empty{display:none}

main{padding:24px;max-width:1280px;margin:0 auto}
.panel{display:none}
.panel.active{display:block;animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1}}

.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px;flex-wrap:wrap}
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chk{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px}
select,input[type=text]{background:var(--panel2);border:1px solid var(--line);color:var(--text);
  padding:7px 10px;border-radius:7px;font-size:13px}

.btn{background:var(--accent);color:#04201f;border:none;padding:8px 15px;border-radius:7px;
  cursor:pointer;font-weight:600;font-size:13px}
.btn:hover{background:var(--accent2)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent)}
.btn.sm{padding:5px 11px;font-size:12px}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* dropzone */
.dropzone{border:2px dashed var(--line);border-radius:14px;padding:48px;text-align:center;
  cursor:pointer;transition:.15s;background:var(--panel)}
.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--panel2)}
.dz-icon{font-size:42px;color:var(--accent2)}
.dz-inner p{margin:6px 0}

/* upload result cards */
#upload-results{margin-top:18px;display:grid;gap:12px}
.ucard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;
  display:grid;grid-template-columns:1fr auto;gap:8px}
.ucard h4{margin:0 0 4px}
.fieldgrid{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12.5px;color:var(--muted)}
.fieldgrid b{color:var(--text)}

/* table */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--panel2);color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px}
tbody tr{cursor:pointer}
tbody tr:hover{background:var(--panel2)}

/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}
.s-under_review{background:#4b3c14;color:#f0c674}
.s-registered{background:#173a23;color:#5ad17e}
.s-superseded{background:#3a1d1d;color:#f08a82;text-decoration:line-through}
.flag{background:#3a1d1d;color:#f08a82;margin-right:4px}
.conf-bar{display:inline-block;width:66px;height:7px;border-radius:4px;background:var(--panel2);
  overflow:hidden;vertical-align:middle;margin-right:6px}
.conf-fill{height:100%}
.c-hi{background:var(--green)} .c-mid{background:var(--amber)} .c-lo{background:var(--red)}

/* tree */
.tree{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;line-height:1.8}
.tree .dir{color:var(--accent2)} .tree .file{color:var(--text)}
.tree .sup{color:var(--red)}

/* transmittals */
.trn{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px}
.trn-head{display:flex;justify-content:space-between;align-items:center}
.trn-no{font-weight:700;font-size:15px}

/* audit */
.audit{display:grid;gap:6px}
.aud{display:grid;grid-template-columns:170px 130px 1fr;gap:12px;padding:9px 12px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:12.5px;align-items:center}
.aud .when{color:var(--muted)} .aud .act{font-weight:600;color:var(--accent2)}
.aud .det{color:var(--muted);overflow:hidden;text-overflow:ellipsis}

/* drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;pointer-events:none;transition:.2s;z-index:40}
.drawer-backdrop.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100vh;width:min(720px,94vw);background:var(--panel);
  border-left:1px solid var(--line);transform:translateX(100%);transition:.25s;z-index:50;
  display:flex;flex-direction:column}
.drawer.show{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head h3{margin:0;font-size:15px}
.x{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer}
.drawer-body{padding:20px;overflow:auto}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.preview img{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff}
.field{margin-bottom:11px}
.field label{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:4px}
.field-row{display:flex;align-items:center;gap:8px}
.field input,.field select{width:100%}
.field.low input{border-color:var(--red);box-shadow:0 0 0 1px rgba(248,81,73,.3)}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.ocr{margin-top:14px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;
  font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--muted);max-height:200px;overflow:auto;white-space:pre-wrap}
.dupwarn{background:#3a1d1d;border:1px solid #5a2a2a;color:#f0a8a2;padding:10px 12px;border-radius:8px;margin-bottom:14px;font-size:12.5px}

/* detected tables */
.tbl-section{margin-top:18px}
.tbl-section h4{margin:0 0 10px;font-size:13px;display:flex;align-items:center;gap:10px}
.dtable{border:1px solid var(--line);border-radius:8px;margin-bottom:12px;overflow:hidden}
.dtable-head{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--panel2);font-size:12.5px}
.dtable-head button{margin-left:auto}
.dtable-scroll{overflow:auto;max-height:280px}
table.grid{border-collapse:collapse;width:100%;font-size:12px}
table.grid th,table.grid td{border:1px solid var(--line);padding:6px 9px;text-align:left;white-space:nowrap}
table.grid th{background:var(--bg);color:var(--accent2);position:sticky;top:0}
.ocr-wrap{margin-top:14px}
.ocr-wrap summary{cursor:pointer;color:var(--muted);font-size:12.5px;padding:4px 0}

/* structured content */
.content-box{border:1px solid var(--line);border-radius:8px;max-height:340px;overflow:auto;background:var(--bg)}
.csection{border-bottom:1px solid var(--line);padding:10px 12px}
.csection:last-child{border-bottom:none}
.csection-head{font-weight:600;font-size:12.5px;color:var(--accent2);margin-bottom:7px;
  display:flex;justify-content:space-between;align-items:center;gap:8px}
.bk{display:flex;align-items:baseline;gap:8px;font-size:12px;padding:2px 0;line-height:1.5}
.bk-tag{flex:none;font-size:10px;padding:1px 6px;border-radius:5px;background:var(--panel2);
  color:var(--muted);border:1px solid var(--line)}
.bk-field .bk-label,.bk-label{flex:none;color:var(--text);font-weight:600;min-width:90px}
.bk-val{color:var(--muted);word-break:break-word}
.bk-tag.bk-field{color:var(--accent2)} .bk-tag.bk-heading{color:var(--blue)}
.bk-tag.bk-table{color:var(--green)} .bk-tag.bk-list{color:var(--amber)}
.drawer-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--panel2);border:1px solid var(--line);padding:11px 18px;border-radius:10px;
  transition:.25s;z-index:60;font-size:13px;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.toast.show{transform:translateX(-50%)}
.toast.err{border-color:var(--red);color:#f8b0aa}
.toast.ok{border-color:#214b2b;color:#7ee29a}
.empty{color:var(--muted);padding:30px;text-align:center}
.empty.loading{display:flex;align-items:center;justify-content:center;gap:10px}
.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid var(--line);
  border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}