:root{--bg:#0b0c10;--panel:#12141b;--card:#171a22;--text:#e7eaf0;--muted:#a2a8b6;--accent:#4ade80;--danger:#f87171;--border:#24283a;}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;}
header{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#0f1118,transparent);} 
.title h1{margin:0;font-size:18px;letter-spacing:1px} .sub{color:var(--muted);font-size:12px;margin-top:4px}
.controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button{background:var(--accent);border:0;color:#08110b;font-weight:700;padding:9px 12px;border-radius:8px;cursor:pointer}
button:hover{filter:brightness(.95)}
button.danger{background:var(--danger);color:#200707}
main{display:grid;grid-template-columns:1.15fr .9fr 1fr;gap:14px;padding:14px;min-height:calc(100vh - 70px)}
.col{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px;min-width:0}
.col h2{margin:0;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px}
label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted)}
input,textarea{background:#0e1016;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px;font-size:13px;outline:none}
input:focus,textarea:focus{border-color:#2f9e5a}
.row{display:flex;gap:10px;align-items:center}
.stack{display:flex;flex-direction:column;gap:10px;overflow:auto;padding-right:4px}
.idea{padding:10px;border-radius:12px;border:1px solid var(--border);background:#10131a;cursor:pointer}
.idea:hover{border-color:#2f9e5a}
.idea .top{display:flex;gap:10px;align-items:center;justify-content:space-between}
.idea .title{font-weight:700;color:var(--text);font-size:13px}
.badge{font-size:11px;color:#07130b;background:var(--accent);padding:2px 7px;border-radius:999px;font-weight:800}
.meta{font-size:11px;color:var(--muted);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.hint{color:var(--muted);font-size:12px}
.hidden{display:none}
.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);backdrop-filter:blur(6px)}
.gate-card{width:min(520px,90vw);background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
code{background:#0e1016;border:1px solid var(--border);padding:2px 6px;border-radius:8px}
@media (max-width: 1000px){main{grid-template-columns:1fr;}}