:root{
  /* Neutral, reference-like dark theme */
  --bg:#000000;
  --panel:#0f1115;
  --text:#f3f4f6;
  --muted:#c9cdd6;
  --accent:#2961eb; /* keep brand blue for primary CTA only */
  --accent-2:#56d6a2;
  --border:rgba(255,255,255,0.12);
  --danger:#ff6b6b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Noto Sans, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
}
/* Space for fixed top nav (when used) */
body.has-fixed-nav main{ padding-top: 6.5rem; }
/* Offset hero under fixed navbar for breathing room */
body.has-fixed-nav .hero-section{ padding-top: 7.5rem; }
/* Color in the middle, fading to top & bottom */
*.gradient-overlay {
  background: linear-gradient(
    to bottom,
    transparent 0%,
    /*rgba(245,245,245,0.15) 50%,*/
    rgba(41,168,145,0.6) 50%,
    transparent 100%
  );
}*/
/* Hero gradient like reference */
.gradient{ background-image: linear-gradient(to top, rgba(41,97,235,.8), rgba(255,255,255,.02)); position:absolute; inset:0; z-index:0; }
.hero-section .container-base{ position:relative; z-index:1; }

/* Bottom page gradient accent */
.page-gradient-bottom{ height: 240px; background-image: linear-gradient(to top, rgba(41,97,235,.7), rgba(255,255,255,0)); }
/* --- Containers & layout helpers (reference-like) --- */
.container-base{max-width:80rem;margin:0 auto;padding:0 1rem}

/* --- Glass effect & buttons (reference-like) --- */
.glass{background:rgba(255,255,255,.05);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:0,5px solid rgba(255,255,255,.2);border-radius:1rem;box-shadow:0 10px 30px -10px rgba(0,0,0,.4)}
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;border:none;cursor:pointer;
  background:linear-gradient(180deg, #2961eb, #1f47b6);color:#fff;border-radius:.75rem;padding:.5rem .9rem;font-weight:600}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  background:transparent;color:#fff;border-radius:.75rem;padding:.5rem .9rem;border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* --- Top navigation (reference-like header) --- */
header.topnav{position:sticky;top:0;z-index:50;background:transparent;border:0;padding:.75rem 0 .5rem}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:.25rem .75rem;min-height:3.5rem}
.brand{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-weight:700}
.brand .dot{width:.6rem;height:.6rem;border-radius:50%;background:#2961eb;display:inline-block}
.nav-links{display:none;gap:1.25rem;color:#cfd6ea}
@media (min-width: 768px){ .nav-links{display:flex} }
.nav-links .link{color:rgba(255,255,255,.7);text-decoration:none;font-weight:500}
.nav-links .link:hover{color:#fff}
.nav-links .link.active{color:#fff}
.nav-actions{display:none;align-items:center;gap:.5rem}
@media (min-width: 768px){ .nav-actions{display:flex} }
.status-pill{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.18);border-radius:.6rem;padding:.25rem .5rem;color:rgba(255,255,255,.8);font-size:.8rem}

/* --- Restore app layout below header --- */

h1{font-size:1.1rem;margin:0}
.loaders{display:flex;gap:.5rem;flex-wrap:wrap}
.loader .btn{cursor:pointer}
.status{color:var(--muted);font-size:.9rem}

.filters{display:flex;flex-direction:column;gap:.5rem}
.filter{display:flex;flex-direction:column;gap:.25rem}
.filter-row{display:flex;gap:.5rem;align-items:center}
label{font-size:.8rem;color:var(--muted)}
select,input[type="search"]{
  background:#0f1630;color:var(--text);border:1px solid var(--border);
  padding:.4rem .6rem;border-radius:.35rem;min-width:8rem;width:100%
}

.exports{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem}
.btn{background:var(--accent);color:#031024;border:none;padding:.5rem .75rem;border-radius:.35rem;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.1)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-secondary{background:#2a3458;color:var(--text)}

main{display:grid;grid-template-columns:300px 1fr;gap:1rem;padding:1rem;min-height:calc(100vh - 170px);position:relative;z-index:1}
.filters-panel{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:1rem;
  padding:1rem;
  overflow:auto;
  box-shadow:0 10px 30px -10px rgba(0,0,0,.4)
}
.filters-panel h2{font-size:1rem;margin:.25rem 0 .5rem}
.tabs{display:flex;gap:.25rem;padding:.25rem;border-bottom:1px solid var(--border);background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.tab{appearance:none;background:transparent;border:1px solid rgba(255,255,255,.12);color:#cfd6ea;padding:.4rem .75rem;border-radius:.5rem;cursor:pointer}
.tab:hover{background:rgba(255,255,255,.07);color:#fff}
.tab.active{color:#fff;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18)}
.tab-panels{flex:1;display:flex;flex-direction:column;min-height:0}
.tab-panel{display:none;padding:.5rem;overflow:auto}
.tab-panel.active{display:block}
.exports-inline{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.5rem}
.view-controls{display:flex;gap:.5rem;align-items:center;justify-content:flex-end;margin-bottom:.5rem}
.muted{color:var(--muted)}
.toolbar-group{display:inline-flex;align-items:center;gap:.5rem;border-right:1px solid rgba(255,255,255,.14);padding-right:.75rem;margin-right:.75rem}
.toolbar-group:last-child{border-right:none;padding-right:0;margin-right:0}
.toolbar-label{font-size:.7rem;color:#cfd6ea;text-transform:uppercase;letter-spacing:.04em}

/* Results toolbar modules */
.results-toolbar{gap:.5rem}
.toolbar-module{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:.75rem;
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12)}
.toolbar-module .module-title{font-size:.7rem;color:#cfd6ea;text-transform:uppercase;letter-spacing:.05em}
.toolbar-module .module-body{display:inline-flex;align-items:center;gap:.4rem}
.toolbar-module.metric .metric-value{font-weight:700;color:#fff}
.btn-compact{padding:.4rem .6rem;font-size:.85rem;border-radius:.6rem}
.pill{display:inline-flex;align-items:center;gap:.25rem;height:28px;padding:0 .5rem;border-radius:.5rem;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); color:#e6e9ef; font-size:.8rem}
.pagination{display:flex;gap:.5rem;align-items:center;justify-content:center;margin-top:.5rem}
.pagination #pageInfo{color:var(--muted)}
.table-wrap{
  overflow:auto;
  border-radius:1rem;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.12);
}
table{border-collapse:separate;border-spacing:0;min-width:100%;font-size:.9rem}
thead{position:sticky;top:0;background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));z-index:1}
th,td{padding:.5rem .6rem;border-bottom:1px solid rgba(255,255,255,.10);border-right:1px solid rgba(255,255,255,.06)}
th{position:sticky;top:0;text-align:left;color:#d6dae3;font-weight:600}
tr:hover td{background:rgba(255,255,255,.06)}
tbody tr{cursor:default}
tbody tr.spacer td{padding:0;border:none;height:0}

.favorites h2{font-size:1rem;margin:.25rem .5rem .5rem}
#favList{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.25rem}
#favList li{display:flex;align-items:center;justify-content:space-between;gap:.5rem;border:1px solid var(--border);background:#0f1630;border-radius:.35rem;padding:.25rem .5rem}
#favList .meta{color:var(--muted);font-size:.8rem}
#favList button{background:transparent;border:none;color:var(--danger);cursor:pointer}

.context-menu{position:fixed;background:#0f1115;border:1px solid var(--border);border-radius:.4rem;box-shadow:0 10px 24px rgba(0,0,0,.4);padding:.25rem;z-index:9999}
.context-menu .ctx-item{display:block;width:100%;text-align:left;background:transparent;border:none;color:var(--text);padding:.4rem .6rem;border-radius:.3rem;cursor:pointer}
.context-menu .ctx-item:hover{background:#192246}
.context-menu .ctx-heading{display:block;padding:.35rem .6rem .25rem .6rem;font-size:.72rem;color:#c9cdd6;opacity:.9;text-transform:uppercase;letter-spacing:.04em;border-top:1px solid rgba(255,255,255,.12);margin-top:.2rem}
.context-menu .ctx-sep{height:0;margin:.25rem 0;border-top:1px solid rgba(255,255,255,.12)}

footer{padding:1rem;color:var(--muted)}

/* Preview image in Filters */
.class-preview{margin-top:.5rem}
.class-preview img{max-width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:.5rem;background:rgba(255,255,255,.03);padding:.25rem}

/* --- Footer (reference-like) --- */
.site-footer{padding:2rem 0;border-top:1px solid var(--border);}
.site-footer .footer-note{padding:1rem;border-radius:1rem}
.site-footer .footer-bottom{display:flex;gap:1rem;align-items:center;justify-content:space-between;margin-top:1rem;color:#94a3c7}
.site-footer .footer-bottom .footer-links{display:flex;gap:.75rem}
.site-footer .footer-bottom a{color:#cfd6ea;text-decoration:none}
.site-footer .footer-bottom a:hover{color:#fff}
.filters-scroll,
.table-wrap{
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.25) transparent;
}
.filters-scroll::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar{
  width:10px;height:10px
}
.filters-scroll::-webkit-scrollbar-track,
.table-wrap::-webkit-scrollbar-track{background:transparent}
.filters-scroll::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb{background:linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,.16));border-radius:9999px;border:2px solid rgba(0,0,0,.6)}
.filters-scroll::-webkit-scrollbar-thumb:hover,
.table-wrap::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg, rgba(255,255,255,.38), rgba(255,255,255,.22))}

/* Buttons refinement to match reference */
.btn{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16);padding:.55rem .85rem;border-radius:.75rem;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn-secondary{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16)}

/* Inputs refinement */
select,input[type="search"]{
  background:#0d0f14;color:var(--text);border:1px solid rgba(255,255,255,.16);
  padding:.5rem .65rem;border-radius:.6rem;min-width:8rem;width:100%
}
label{font-size:.75rem;color:#e2e6ee;text-transform:uppercase;letter-spacing:.04em}