*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#0b1020;color:#e7ecff}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #1b2240;background:linear-gradient(180deg,#0f1530 0%,#0b1020 100%);position:sticky;top:0;z-index:10}
.brand{display:flex;gap:8px;align-items:center;font-weight:600;color:#cbd5ff}
.header-actions{display:flex;gap:8px}
.btn{border:1px solid #2a356a;background:#121735;color:#cbd5ff;padding:8px 12px;border-radius:8px;cursor:pointer;transition:all .15s ease}
.btn:hover{background:#1a2147;border-color:#3847a8}
.btn.primary{background:#2a46ff;border-color:#3856ff;color:white}
.btn.primary:hover{filter:brightness(1.05)}
.btn.success{background:#12b981;border-color:#059669;color:#001b14}
.btn.success:hover{filter:brightness(1.05)}
.btn.danger{background:#ef4444;border-color:#dc2626;color:white}
.btn.danger:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;border-color:#2a356a}
.btn.link{background:transparent;border-color:#2a356a;text-decoration:none;display:inline-flex;align-items:center}
.layout{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:12px;min-height:calc(100vh - 110px)}
.pane{display:flex;flex-direction:column;gap:8px;border:1px solid #1b2240;border-radius:12px;padding:12px;background:linear-gradient(180deg,#0f1530 0%,#0b1020 100%)}
.pane h2{margin:0 0 4px 0;font-size:14px;color:#9aa6ff;text-transform:uppercase;letter-spacing:.08em}
#json-input{flex:1;resize:vertical;min-height:300px;background:#0a0f22;border:1px solid #1b2240;border-radius:8px;color:#e7ecff;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.hint{font-size:12px;color:#8a94c4}
.controls{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}
.control-group{display:flex;flex-direction:column;gap:4px}
.control-group label{font-size:12px;color:#9aa6ff}
.control-group input{background:#0a0f22;border:1px solid #1b2240;border-radius:8px;color:#e7ecff;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.buttons{display:flex;gap:8px}
.results{display:grid;grid-template-columns:1fr 160px 1fr;gap:12px;margin-top:12px}
.result-card{border:1px solid #1b2240;border-radius:8px;padding:8px;background:#0a0f22}
.result-header{font-size:12px;color:#9aa6ff;margin-bottom:6px}
.code-block{white-space:pre-wrap;background:#060a18;color:#e7ecff;border:1px solid #1b2240;border-radius:8px;padding:8px;min-height:56px}
.code-block.error{color:#ffb4b4}
.type-pill{display:inline-block;padding:6px 10px;border-radius:999px;background:#121735;border:1px solid #2a356a;color:#cbd5ff;min-width:60px;text-align:center}
.app-footer{padding:12px;border-top:1px solid #1b2240;color:#8a94c4;text-align:center}
.examples{margin-top:12px;border:1px solid #1b2240;border-radius:12px;padding:12px;background:#0a0f22}
.examples-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.examples-header h3{margin:0;font-size:14px;color:#9aa6ff;text-transform:uppercase;letter-spacing:.08em}
.docset-buttons{display:flex;gap:8px;flex-wrap:wrap}
.example-list{display:grid;gap:8px}
.example-item{display:flex;align-items:center;justify-content:space-between;border:1px dashed #2a356a;border-radius:8px;padding:8px}
.example-item code{color:#cbd5ff}
.example-item .actions{display:flex;gap:8px}
.syntax-help{margin-top:8px}
.syntax-list{margin:8px 0 0 16px}
@media (max-width: 980px){.layout{grid-template-columns:1fr}.controls{grid-template-columns:1fr}.results{grid-template-columns:1fr}.buttons{flex-wrap:wrap}}