:root{--bg:#0f1724;--card:#0b1220;--muted:#94a3b8;--accent:#60a5fa;--accent-2:#7c3aed;--glass:rgba(255,255,255,0.04)}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial;color:#e6eef8;background:linear-gradient(180deg,#031027 0%, #071127 100%);min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:28px}
.app{width:100%;max-width:1100px}
header{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.brand{background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:8px 14px;border-radius:10px;color:white;font-weight:600;box-shadow:0 6px 20px rgba(96,165,250,0.12)}
.title{color:#dbeafe;font-size:18px;font-weight:600}
.subtitle{color:var(--muted);font-size:13px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border-radius:12px;padding:16px;border:1px solid rgba(255,255,255,0.03);box-shadow:0 6px 24px rgba(2,6,23,0.6)}
.controls{display:grid;grid-template-columns:320px 1fr;gap:16px;margin-top:8px}
.left{display:flex;flex-direction:column;gap:12px}
.tabs{display:flex;background:var(--glass);padding:6px;border-radius:10px;gap:6px}
.tab{padding:8px 12px;border-radius:8px;color:var(--muted);cursor:pointer;font-weight:600;font-size:14px}
.tab.active{background:transparent;border:1px solid rgba(255,255,255,0.04);color:white}
.row{display:flex;gap:8px;align-items:stretch}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:4px}
select,input[type=text],input[type=number]{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:10px;border-radius:8px;color:#e6eef8;width:100%}
.subcats{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:6px 12px;border-radius:999px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.02);color:var(--muted);cursor:pointer;font-size:13px}
.chip.active{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:white;border:0}
.desc-box{background:var(--glass);padding:12px;border-radius:8px;margin-top:8px;font-size:13px;color:var(--muted);min-height:50px;border:1px solid rgba(255,255,255,0.02)}
.main-layout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: stretch; }
.template-col { display: flex; flex-direction: column; }
.results-col { display: flex; flex-direction: column; gap: 12px; }
.results-col > div:first-child { display: flex; flex-direction: column; flex-grow: 1; }
.template-list{ height: 340px; overflow-y:auto; padding:8px; border:1px solid rgba(255,255,255,0.03); }
.template-item{padding:8px;border-radius:6px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.template-item:hover{background:rgba(255,255,255,0.01)}
.preview { flex-grow: 1; }
#variableArea { flex-shrink: 0; height: 170px; display: flex; flex-direction: column; }
#variableArea .small { margin-bottom: auto; }
.template-name{font-weight:600}
.small{font-size:12px;color:var(--muted)}
.actions{display:flex;flex-direction:column;gap:12px}
.btn{padding:12px 14px;border-radius:10px;border:0;cursor:pointer;font-weight:700;transition:opacity 0.2s}
.btn:hover{opacity:0.9}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:white}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted)}
.preview, #variableArea {padding:12px;border-radius:8px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.03);font-family:monospace;color:#e6eef8;white-space:pre-wrap;word-break:break-all}
footer{margin-top:14px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;align-items:center}
footer a{color:var(--accent)}
.history{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.hist-chip{padding:6px 10px;border-radius:8px;background:rgba(255,255,255,0.02);cursor:pointer;border:1px solid rgba(255,255,255,0.02);font-family:monospace;font-size:13px}
.toggle-switch{display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none}
.toggle-switch input{opacity:0;width:0;height:0}
.slider{width:34px;height:20px;background-color:rgba(255,255,255,0.1);border-radius:34px;position:relative;transition:background-color .2s}
.slider:before{position:absolute;content:"";height:14px;width:14px;left:3px;bottom:3px;background-color:white;border-radius:50%;transition:.2s}
input:checked + .slider{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
input:checked + .slider:before{transform:translateX(14px)}
.relocated-toggles { display: flex; gap: 24px; margin-top: 16px; }
@media (max-width:900px){.controls{grid-template-columns:1fr;}.actions{flex-direction:row}.main-layout-grid{grid-template-columns:1fr}}