:root{
  --bg:#eef2f6; --panel:#ffffff; --ink:#1d2633; --muted:#697586; --line:#d7dee8;
  --accent:#2563eb; --accent-dark:#1d4ed8; --soft:#f8fafc; --danger:#b42318; --success:#067647;
  --charcoal:#263241; --shadow:0 10px 30px rgba(15,23,42,.10);
}
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.topbar{background:linear-gradient(135deg,var(--charcoal),#35465c);color:white;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:18px;box-shadow:var(--shadow)}
.brand{font-size:24px;font-weight:800;letter-spacing:.2px}.subtitle{font-size:13px;opacity:.85;margin-top:3px}.top-actions{display:flex;gap:10px;align-items:center}
.layout{display:grid;grid-template-columns:390px minmax(0,1fr);gap:18px;padding:18px;max-width:1700px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.list-panel{padding:14px;height:calc(100vh - 116px);overflow:auto;position:sticky;top:12px}.detail-panel{padding:18px;min-height:calc(100vh - 116px)}
.filters{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}.filters input[type=search]{grid-column:1/-1}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:10px 11px;font-size:14px;outline:none}textarea{resize:vertical;line-height:1.45}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
label{font-size:13px;font-weight:700;color:#344054;display:block;margin:10px 0 4px}.btn{border:1px solid var(--line);background:#fff;color:#263241;text-decoration:none;border-radius:10px;padding:10px 13px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn:hover{background:#f1f5f9}.btn.primary{background:var(--accent);border-color:var(--accent);color:white}.btn.primary:hover{background:var(--accent-dark)}.btn.ghost{background:#f8fafc}.btn.danger{background:#fff;border-color:#fecdca;color:var(--danger)}
.alert{max-width:1700px;margin:12px auto 0;padding:10px 14px;border-radius:12px;font-weight:700}.alert.success{background:#ecfdf3;color:var(--success);border:1px solid #abefc6}.alert.error{background:#fef3f2;color:var(--danger);border:1px solid #fecdca}
.stats-row{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:700;margin:10px 2px}.idea-list{display:flex;flex-direction:column;gap:10px}.idea-card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff;transition:.15s}.idea-card:hover{border-color:#a8b3c7;transform:translateY(-1px)}.idea-card.active{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.idea-title{font-size:16px;font-weight:800;margin-bottom:7px}.idea-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:7px}.badge{font-size:11px;font-weight:800;border-radius:999px;padding:4px 8px;background:#eef2ff;color:#344054}.badge.type{background:#e0f2fe;color:#075985}.badge.status{background:#ecfdf3;color:#067647}.badge.priority{background:#fff7ed;color:#c2410c}.idea-pitch{font-size:13px;color:#475467;line-height:1.35;min-height:18px}.idea-foot{display:flex;justify-content:space-between;border-top:1px solid #edf1f5;margin-top:10px;padding-top:8px;color:var(--muted);font-size:12px;font-weight:700}
.detail-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:12px}.detail-head h1{margin:0;font-size:24px}.detail-head p{margin:5px 0 0;color:var(--muted)}.save-actions{display:flex;gap:8px;white-space:nowrap}.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.notes-box{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:12px;margin-top:14px}.notes-box h2,.saved-notes h2{font-size:17px;margin:0 0 10px}.saved-notes{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.note-card{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden}.note-head{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;background:#f8fafc;border-bottom:1px solid var(--line)}.note-head span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.note-card pre{white-space:pre-wrap;margin:0;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.45;color:#344054}.link-danger{border:0;background:none;color:var(--danger);font-weight:800;cursor:pointer}.empty{padding:22px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px;background:#f8fafc}.empty.small{padding:14px;text-align:left}footer{text-align:center;color:var(--muted);font-size:12px;padding:18px}
@media(max-width:1000px){.layout{grid-template-columns:1fr}.list-panel{height:auto;position:static}.grid.two,.grid.four{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.detail-head{flex-direction:column}.save-actions{width:100%}.save-actions .btn{flex:1}}