:root{
  --g9:#1a3a2a; --g7:#1e6a3a; --g6:#2a7a4a; --g100:#d4eada; --g50:#eef6f0;
  --bg:#f3f4f5; --surf:#fff; --surf2:#fafbfb; --bd:#e2e4e8; --bd2:#eceef1;
  --ink:#16181a; --ink2:#54595f; --ink3:#9aa0a6; --badge:#f0f1f3;
  --info:#2b6cb0; --danger:#c0392b; --amber:#b7791f;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --sans:'IBM Plex Sans',system-ui,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:13.5px;
  line-height:1.45;height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}
#app{display:flex;flex-direction:column;height:100vh}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
::selection{background:var(--g100)}
*::-webkit-scrollbar{width:9px;height:9px}
*::-webkit-scrollbar-thumb{background:#d6dadf;border-radius:6px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:#c2c8cf;background-clip:content-box}

/* Masthead */
.mast{display:flex;align-items:center;gap:13px;height:50px;flex-shrink:0;
  background:var(--g9);padding:0 16px;position:relative;z-index:30}
.mast::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--g6),var(--g100) 55%,transparent)}
.mark{font-family:var(--mono);font-weight:600;font-size:.66rem;letter-spacing:.16em;
  color:var(--g100);border:1px solid rgba(212,234,218,.35);padding:2px 6px;border-radius:4px}
.mtitle{font-size:.92rem;font-weight:600;color:#fff;letter-spacing:-.01em}
.mspace{flex:1}
.search{position:relative;width:280px}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;color:rgba(255,255,255,.5);pointer-events:none}
.search input{width:100%;padding:7px 11px 7px 31px;border:1px solid rgba(255,255,255,.18);
  border-radius:7px;background:rgba(255,255,255,.08);color:#fff;font-size:.82rem;transition:.15s}
.search input::placeholder{color:rgba(255,255,255,.5)}
.search input:focus{outline:none;border-color:var(--g100);background:rgba(255,255,255,.14)}
.mlink{color:rgba(255,255,255,.82);font-size:.78rem;padding:6px 11px;border-radius:7px;
  border:1px solid rgba(255,255,255,.22);transition:.15s}
.mlink:hover{background:rgba(255,255,255,.12);color:#fff}

.btn{font-size:.78rem;font-weight:500;padding:7px 13px;border:1px solid var(--bd);
  border-radius:7px;background:var(--surf);color:var(--ink);transition:.15s;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{background:var(--g50);border-color:var(--g6);color:var(--g7)}
.btn.primary{background:#fff;border-color:transparent;color:var(--g9);font-weight:600}
.btn.primary:hover{background:var(--g50)}
.btn.danger{color:var(--danger);border-color:#f0d4d1}
.btn.danger:hover{background:#fdf0ef;border-color:var(--danger)}
.btn.sm{padding:5px 10px;font-size:.72rem}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Breadcrumb */
.crumbs{display:flex;align-items:center;gap:7px;height:38px;flex-shrink:0;
  background:var(--surf);border-bottom:1px solid var(--bd);padding:0 16px;font-size:.8rem}
.crumbs .seg{color:var(--ink2);cursor:pointer;padding:3px 7px;border-radius:5px;transition:.12s;
  display:inline-flex;align-items:center;gap:6px}
.crumbs .seg:hover{background:var(--g50);color:var(--g7)}
.crumbs .seg.home{color:var(--g7);font-weight:500}
.crumbs .seg.cur{color:var(--ink);font-weight:600;cursor:default}
.crumbs .seg.cur:hover{background:none}
.crumbs .sep{color:var(--ink3)}

/* Miller columns */
.cols{display:flex;flex:1;overflow-x:auto;overflow-y:hidden;background:var(--surf)}
.col{flex-shrink:0;border-right:1px solid var(--bd2);overflow-y:auto;display:flex;flex-direction:column;position:relative}
.col-cat{width:200px}
.col-ds{width:268px}
.col-files{width:320px}
.col .chead{position:sticky;top:0;z-index:2;background:var(--surf2);border-bottom:1px solid var(--bd);
  display:flex;align-items:center;height:25px;padding:0 11px;font-family:var(--mono);
  font-size:.6rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3)}
.col .chead .s{flex:1}
.col .chead .meta{color:var(--ink3)}

.it{display:flex;align-items:center;gap:8px;height:24px;padding:0 11px;cursor:default;
  border-bottom:1px solid #f6f7f8;transition:background .1s;
  animation:rise .26s cubic-bezier(.2,.7,.3,1) backwards}
@keyframes rise{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
.it:hover{background:var(--g50)}
.it.sel{background:var(--g100)}
.it.sel .chev{color:var(--g7)}
.it .ic{width:15px;flex-shrink:0;color:var(--g6);display:flex;align-items:center}
.it .ic svg{width:14px;height:14px}
.it .ic.file{color:var(--ink3)}
.it .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px}
.it.file-row .nm{font-family:var(--mono);font-size:11px;letter-spacing:-.1px}
.it .chev{color:var(--ink3);margin-left:auto;flex-shrink:0;display:flex}
.it .chev svg{width:13px;height:13px}
.it .sz{font-family:var(--mono);font-size:10px;color:var(--ink3);flex-shrink:0}
.it .cnt{font-family:var(--mono);font-size:10px;color:var(--ink3);flex-shrink:0}
.tk{width:6px;height:6px;border-radius:1.5px;transform:rotate(45deg);flex-shrink:0}
.tk.active{background:var(--g6)}
.tk.planned{background:transparent;border:1.5px solid var(--ink3)}
.tk.discovered{background:var(--amber)}
.tk.acquired{background:var(--info)}
.tk.archived{background:var(--ink3)}

.col-empty{padding:24px 14px;color:var(--ink3);font-size:.78rem;text-align:center;font-style:italic;white-space:pre-line;line-height:1.5}
.col-loading{padding:18px 14px;color:var(--ink3);font-size:.76rem;font-family:var(--mono)}

/* Details pane */
.detail{flex:1;min-width:280px;background:var(--surf2);padding:20px 22px;overflow-y:auto}
.detail .dh{font-size:1.05rem;font-weight:700;color:var(--g9);letter-spacing:-.01em;line-height:1.2;margin-bottom:3px}
.detail .dpath{font-family:var(--mono);font-size:.68rem;color:var(--ink3);margin-bottom:13px}
.detail .avail{display:inline-flex;align-items:center;gap:7px;font-size:.7rem;font-weight:600;
  padding:3px 5px 3px 10px;border-radius:12px;margin-bottom:15px;background:var(--badge);color:var(--ink2)}
.detail .avail.active{background:var(--g100);color:var(--g7)}
.detail .avail .sw{width:22px;height:13px;border-radius:8px;background:var(--ink3);position:relative;transition:.15s;cursor:pointer}
.detail .avail.active .sw{background:var(--g6)}
.detail .avail .sw::after{content:"";position:absolute;top:2px;width:9px;height:9px;border-radius:50%;background:#fff;transition:.15s;left:2px}
.detail .avail.active .sw::after{left:11px}
.meta{border-top:1px solid var(--bd2);padding-top:12px;margin-bottom:16px}
.mr{display:flex;justify-content:space-between;gap:10px;font-size:.78rem;padding:3px 0}
.mr .k{color:var(--ink3)}
.mr .v{color:var(--ink2);text-align:right;max-width:60%}
.mr .v.mono{font-family:var(--mono);font-size:.72rem}
.mr .v.tag{background:#eaf2fb;color:var(--info);font-size:.66rem;font-weight:600;padding:1px 7px;border-radius:9px}
.detail .desc{font-size:.82rem;color:var(--ink2);line-height:1.6;border-left:2.5px solid var(--g100);
  padding:2px 0 2px 13px;margin-bottom:16px}
.tagrow{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:16px}
.tagrow .tg{font-family:var(--mono);font-size:.66rem;background:var(--g50);color:var(--g7);
  border:1px solid var(--g100);padding:2px 7px;border-radius:5px}
.detail-acts{display:flex;gap:8px}

/* File detail */
.fdetail .ficon{font-size:2rem;margin-bottom:8px}
.fdrop{margin-top:14px;border:1.5px dashed var(--bd);border-radius:10px;padding:18px;text-align:center;
  color:var(--ink3);font-size:.78rem;transition:.15s;background:var(--surf)}
.fdrop.over{border-color:var(--g6);background:var(--g50);color:var(--g7)}
.fdrop strong{color:var(--g7)}

/* Overlay form */
.overlay[hidden]{display:none!important}
.overlay{position:fixed;inset:0;background:rgba(16,24,20,.4);z-index:50;display:flex;
  align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto;
  animation:fade .15s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet{background:var(--surf);border-radius:12px;width:100%;max-width:680px;
  box-shadow:0 20px 60px rgba(16,24,20,.3);animation:pop .2s cubic-bezier(.2,.7,.3,1)}
@keyframes pop{from{transform:translateY(8px) scale(.99);opacity:0}to{transform:none;opacity:1}}
.sheet .sh{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--bd)}
.sheet .sh h3{font-size:1rem;font-weight:600;color:var(--g9)}
.sheet .sh .tag{font-family:var(--mono);font-size:.66rem;color:var(--g7);background:var(--g50);
  border:1px solid var(--g100);padding:2px 8px;border-radius:5px;margin-left:10px}
.sheet .sh .x{margin-left:auto;color:var(--ink3);font-size:1.3rem;line-height:1;background:none;border:none;padding:4px}
.sheet .sh .x:hover{color:var(--ink)}
.sheet .sb{padding:18px 20px;max-height:65vh;overflow-y:auto}
.sec{font-family:var(--mono);font-size:.62rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.1em;color:var(--ink3);margin:18px 0 10px;display:flex;align-items:center;gap:9px}
.sec:first-child{margin-top:0}
.sec .ln{flex:1;height:1px;background:var(--bd2)}
.frow{display:flex;gap:11px;margin-bottom:11px}
.fld{flex:1;display:flex;flex-direction:column;gap:5px}
.fld label{font-size:.72rem;font-weight:500;color:var(--ink2)}
.fld input,.fld select,.fld textarea{padding:8px 11px;border:1px solid var(--bd);border-radius:7px;
  font-size:.82rem;background:var(--surf2);transition:.15s;width:100%}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--g6);
  background:#fff;box-shadow:0 0 0 3px var(--g50)}
.fld textarea{resize:vertical;min-height:60px}
.fld input.mono{font-family:var(--mono);font-size:.76rem}
.sheet .sf{display:flex;gap:9px;padding:15px 20px;border-top:1px solid var(--bd);justify-content:flex-end}

/* Toasts */
.toasts{position:fixed;bottom:20px;right:20px;z-index:60;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--g9);color:#fff;padding:11px 16px;border-radius:9px;font-size:.8rem;
  box-shadow:0 8px 30px rgba(16,24,20,.25);animation:slidein .2s ease;max-width:320px}
.toast.err{background:var(--danger)}
.toast.warn{background:var(--amber)}
@keyframes slidein{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* API query view (opens over columns) */
.apiview{flex:1;background:var(--surf);padding:20px 24px;overflow-y:auto}
.apiview h2{font-size:1.1rem;color:var(--g9);margin-bottom:4px}
.qb{border:1px solid var(--bd);border-radius:10px;padding:14px;margin:14px 0;background:var(--surf2)}
.qb .qrow{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.qb .qrow:last-child{margin-bottom:0}
.qb label{font-size:.72rem;font-weight:600;color:var(--ink2);min-width:70px}
.qb input,.qb select{padding:6px 9px;border:1px solid var(--bd);border-radius:6px;font-size:.78rem;background:#fff}
.urlbox{font-family:var(--mono);font-size:.72rem;background:var(--g9);color:#cfe9d8;padding:10px 12px;
  border-radius:7px;overflow-x:auto;white-space:nowrap;margin:10px 0}
.dtable{width:100%;border-collapse:collapse;font-size:.72rem;margin-top:10px}
.dtable th{position:sticky;top:0;background:var(--surf2);text-align:left;padding:6px 10px;white-space:nowrap;
  font-family:var(--mono);font-weight:600;color:var(--g9);border-bottom:1.5px solid var(--bd);font-size:.66rem}
.dtable td{padding:5px 10px;white-space:nowrap;border-bottom:1px solid var(--bd2);color:var(--ink2)}
.dtable tr:hover td{background:var(--g50)}

/* Right-click context menu */
.ctxmenu[hidden]{display:none!important}
.ctxmenu{position:fixed;z-index:70;min-width:170px;background:var(--surf);border:1px solid var(--bd);
  border-radius:9px;box-shadow:0 8px 30px rgba(16,24,20,.18);padding:5px;
  animation:ctxpop .12s cubic-bezier(.2,.7,.3,1)}
@keyframes ctxpop{from{opacity:0;transform:scale(.97) translateY(-3px)}to{opacity:1;transform:none}}
.ctxmenu .ci{display:flex;align-items:center;gap:9px;padding:7px 11px;border-radius:6px;
  font-size:.8rem;color:var(--ink);cursor:default;white-space:nowrap;transition:background .1s}
.ctxmenu .ci:hover{background:var(--g50);color:var(--g7)}
.ctxmenu .ci.danger:hover{background:#fdf0ef;color:var(--danger)}
.ctxmenu .ci .k{margin-left:auto;font-family:var(--mono);font-size:.62rem;color:var(--ink3)}
.ctxmenu .sep{height:1px;background:var(--bd2);margin:5px 7px}
.ctxmenu .ci svg{width:14px;height:14px;opacity:.7}

/* Subheadings within the contents column (API tables / Files) */
.col .subhead{font-family:var(--mono);font-size:.58rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.08em;color:var(--ink3);padding:9px 11px 4px;background:var(--surf)}
/* API table entries — distinct from files (info-blue, not a downloadable file) */
.it.api-row .ic.api{color:var(--info)}
.it.api-row .nm{font-family:var(--mono);font-size:11px;color:var(--ink)}
.it.api-row .sz{color:var(--info);font-weight:500}
.it.api-row:hover{background:#eaf2fb}

/* Dataset-folder marker: a status diamond next to the folder icon */
.it .ic.ds{color:var(--g6)}
.tk.ds-badge{margin-left:-4px}

/* Masthead icon button (refresh) */
.btn.icon{padding:7px 9px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.85)}
.btn.icon:hover{background:rgba(255,255,255,.16);color:#fff;border-color:var(--g100)}
.btn.icon svg{width:15px;height:15px;display:block}
.btn.icon.spin svg{animation:spin .6s linear}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* Catalogue API masthead button */
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.85);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.04em;padding:6px 11px}
.btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:var(--g100)}

/* API info panel */
.apisheet{max-width:560px}
.apisheet .api-tag{display:inline-block;font-family:var(--mono);font-size:.6rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.1em;color:var(--info);background:#eaf2fb;
  border:1px solid #cfe0f5;padding:2px 8px;border-radius:5px;margin-bottom:10px}
.apisheet p{font-size:.85rem;color:var(--ink2);line-height:1.6;margin-bottom:14px}
.apisheet .urlrow{display:flex;gap:8px;align-items:stretch;margin-bottom:14px}
.apisheet .urlrow code{flex:1;font-family:var(--mono);font-size:.78rem;background:var(--g9);color:#cfe9d8;
  padding:10px 12px;border-radius:7px;overflow-x:auto;white-space:nowrap;display:flex;align-items:center}
.apisheet .peek{font-family:var(--mono);font-size:.7rem;background:var(--surf2);border:1px solid var(--bd);
  border-radius:8px;padding:12px;max-height:300px;overflow:auto;white-space:pre;color:var(--ink2);margin-top:4px}
.apisheet .peekhead{display:flex;align-items:center;gap:8px;font-size:.74rem;color:var(--ink3);margin-bottom:6px}
.apisheet .peekhead .ln{flex:1;height:1px;background:var(--bd2)}

/* Resizable column drag handles (sibling strips between columns) */
.col-resize{flex:0 0 5px;width:5px;align-self:stretch;cursor:col-resize;z-index:5;
  background:transparent;transition:background .12s;margin:0 -2px;position:relative}
.col-resize:hover{background:var(--g6)}
.col-resize:active{background:var(--g7)}