:root{--bg:#f4f7fb;--panel:#fff;--ink:#172033;--muted:#64748b;--line:#dbe3ef;--brand:#123a63;--accent:#d5a63f}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 30px;background:var(--brand);color:#fff}
.topbar h1{margin:4px 0 0}
.eyebrow{font-size:12px;letter-spacing:1.8px;color:#d9e7f5}
.layout{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 96px)}
.sidebar{padding:24px;background:#eaf0f7;border-right:1px solid var(--line)}
.sidebar h2{font-size:16px}
.workspace-list{display:grid;gap:8px}
.workspace-item{display:block;width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:left;font-weight:600;cursor:pointer}
.workspace-item:hover{border-color:var(--brand);background:#f7fafd;color:var(--brand)}
.workspace-item.active{border-color:var(--brand);background:#fff;color:var(--brand);box-shadow:0 0 0 2px rgba(18,58,99,.12)}
.workspace-empty{padding:10px 4px;color:var(--muted);font-size:13px}
.content{padding:26px;display:grid;gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 7px 24px rgba(25,45,75,.06)}
.hero{border-top:5px solid var(--accent)}
.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:grid;gap:7px;font-weight:700;font-size:14px;margin-bottom:14px}
input,textarea,select{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}
textarea{resize:vertical}
button{border:0;border-radius:8px;padding:11px 16px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}
button:disabled{opacity:.65;cursor:not-allowed}
.secondary{background:#fff;color:var(--brand);border:1px solid #b8c5d5}
.actions,.section-head{display:flex;gap:10px;align-items:center;justify-content:space-between}
.actions{justify-content:flex-start}
.status{margin-top:12px;color:var(--muted)}
.posts{display:grid;gap:14px}
.empty-state{padding:18px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);background:#f8fafc}
.post-card{border:1px solid var(--line);border-radius:10px;padding:16px;background:#fff}
.post-meta{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.post-card textarea{margin-top:8px}
.post-card h4{margin:8px 0}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.grid.two{grid-template-columns:1fr}.content{padding:14px}.topbar{padding:18px}}