:root{
  --st-bg: rgba(25, 24, 24, 1);        
  --st-panel: rgba(10, 10, 12, 0.92);
  --st-panel2: rgba(16, 16, 20, 0.92);
  --st-cyan: #38f5ff;
  --st-cyan-dim: rgba(56, 245, 255, 0.35);
  --st-text: rgba(240, 240, 240, 0.95);
  --st-muted: rgba(240, 240, 240, 0.65);
  --st-border: rgba(240, 240, 240, 0.22);
  --st-shadow: 0 0 0 2px rgba(0,0,0,0.35), 0 10px 30px rgba(0,0,0,0.55);
}

.st-page{
  background: var(--st-bg);
  min-height: calc(100vh - 70px);
  padding: 28px 18px 60px;
}

.st-window{
  max-width: 1500px;   
  width: 96vw;         
  margin: 0 auto;
  border: 2px solid var(--st-border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(18,18,22,0.92), rgba(10,10,12,0.92));
  box-shadow: var(--st-shadow);
  overflow: hidden;
}

/* Titlebar */
.st-titlebar{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding: 12px 14px;
  border-bottom: 2px solid var(--st-border);
  background: rgba(255,255,255,0.05);
  font-family: "Press Start 2P", monospace;
  font-size: 12px;
  color: var(--st-text);
}
.st-title{display:flex; gap:10px; align-items:center;}
.st-dot{
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--st-cyan);
  box-shadow: 0 0 10px var(--st-cyan-dim);
}
.st-controls{display:flex; gap:14px; opacity:0.75;}

/* Toolbar */
.st-toolbar{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-bottom: 2px solid var(--st-border);
  background: rgba(0,0,0,0.22);
  font-family: "VT323", monospace;
  font-size: 22px;
  color: var(--st-text);
}
.st-label{display:flex; flex-direction: column; gap: 4px;}
.st-input, .st-select{
  background: rgba(0,0,0,0.55);
  border: 2px solid var(--st-border);
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 220px;
  color: var(--st-text);
  outline: none;
}
.st-input:focus, .st-select:focus{
  border-color: var(--st-cyan);
  box-shadow: 0 0 0 3px var(--st-cyan-dim);
}
.st-btn{
  align-self: end;
  padding: 10px 14px;
  border-radius: 10px;
  border: 2px solid var(--st-border);
  background: rgba(0,0,0,0.55);
  color: var(--st-text);
  font-family: "VT323", monospace;
  font-size: 22px;
  cursor: pointer;
}
.st-btn:hover{
  border-color: var(--st-cyan);
  box-shadow: 0 0 0 3px var(--st-cyan-dim);
}

/* Body layout */
.st-body{
  display:grid;
  grid-template-columns: 260px 1fr 340px;
  gap: 0;
  min-height: 640px;
}
.st-sidebar, .st-details{
  background: rgba(0,0,0,0.18);
  border-right: 2px solid var(--st-border);
}
.st-details{
  border-right: none;
  border-left: 2px solid var(--st-border);
}

/* Sidebar */
.st-sidebar-title{
  padding: 12px 14px;
  border-bottom: 2px solid var(--st-border);
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  color: var(--st-text);
}
.st-catlist{
  padding: 10px;
  display:flex;
  flex-direction: column;
  gap: 8px;
}
.st-cat{
  width: 100%;
  text-align: left;
  padding: 10px 10px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.35);
  color: var(--st-text);
  font-family: "VT323", monospace;
  font-size: 22px;
  cursor: pointer;
}
.st-cat:hover{ border-color: var(--st-cyan); }
.st-cat.is-active{
  border-color: var(--st-cyan);
  box-shadow: 0 0 0 3px var(--st-cyan-dim);
}

/* Grid */
.st-gridwrap{ background: rgba(0,0,0,0.10); }
.st-gridhead{
  padding: 12px 14px;
  border-bottom: 2px solid var(--st-border);
  font-family: "VT323", monospace;
  font-size: 22px;
  color: var(--st-muted);
}
.st-grid{
  padding: 14px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

/* Tiles */
.st-tile{
  border: 2px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(0,0,0,0.55), rgba(0,0,0,0.35));
  padding: 12px;
  cursor: pointer;
  color: var(--st-text);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.25) inset;
}
.st-tile:hover{ border-color: var(--st-cyan); }
.st-tile.is-active{
  border-color: var(--st-cyan);
  box-shadow: 0 0 0 3px var(--st-cyan-dim);
}
.st-tile-top{
  display:flex;
  justify-content: space-between;
  gap: 10px;
  align-items:center;
  margin-bottom: 8px;
}

.st-badge{
  font-family: "Press Start 2P", monospace;
  font-size: 10px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.18);
  color: var(--st-text);
}

.st-badge{
  border-color: rgba(56,245,255,0.55);
  color: var(--st-text);
}

.st-badge.skill,
.st-badge.tool{
  border-color: rgba(56,245,255,0.55);
  box-shadow: 0 0 0 2px rgba(56,245,255,0.12) inset;
}

.st-name{
  font-family: "VT323", monospace;
  font-size: 26px;
  line-height: 1.1;
}
.st-meta{
  margin-top: 6px;
  font-family: "VT323", monospace;
  font-size: 20px;
  color: var(--st-muted);
}
.st-level{
  color: rgb(173,147,76);
}

/* Details pane */
.st-details-head{
  padding: 12px 14px;
  border-bottom: 2px solid var(--st-border);
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  color: var(--st-text);
}
.st-details-body{
  padding: 12px 14px;
  font-family: "VT323", monospace;
  font-size: 22px;
  color: var(--st-text);
}
.st-muted{ color: var(--st-muted); }
.st-links a{
  color: var(--st-cyan);
  text-decoration: none;
}
.st-links a:hover{ text-decoration: underline; }

.st-subcat{
  width: 100%;
  text-align: left;
  padding: 8px 10px 8px 26px; /* indent */
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.28);
  color: var(--st-text);
  font-family: "VT323", monospace;
  font-size: 20px;
  cursor: pointer;
  opacity: 0.95;
}

.st-subcat:hover{ border-color: var(--st-cyan); }
.st-subcat.is-active{
  border-color: var(--st-cyan);
  box-shadow: 0 0 0 3px var(--st-cyan-dim);
}

/* Responsive */
@media (max-width: 980px){
  .st-body{ grid-template-columns: 1fr; }
  .st-sidebar{ border-right: none; border-bottom: 2px solid var(--st-border); }
  .st-details{ border-left: none; border-top: 2px solid var(--st-border); }
  .st-input, .st-select{ min-width: 180px; }
}