:root{--nav:#0f172a;--blue:#2563eb;--bg:#f1f5f9;--card:#fff;--text:#0f172a;--muted:#64748b}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}.topbar{background:var(--nav);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:16px 5%;position:sticky;top:0}.brand{font-size:21px;font-weight:800}.brand span{color:#60a5fa}.topbar nav{display:flex;gap:18px;flex-wrap:wrap}.topbar a{color:#e2e8f0;text-decoration:none;font-size:14px}.container{max-width:1180px;margin:28px auto;padding:0 18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:var(--card);border-radius:16px;padding:20px;box-shadow:0 8px 30px rgba(15,23,42,.07)}.stat{font-size:30px;font-weight:800}.muted{color:var(--muted)}h1{font-size:27px}h2{font-size:20px}.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;cursor:pointer}.btn.secondary{background:#334155}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}input,select,textarea{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}textarea{min-height:110px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.success{background:#dcfce7}.error{background:#fee2e2}.tree{display:flex;gap:18px;overflow:auto;padding:20px}.person{min-width:210px;border:1px solid #dbeafe;border-radius:14px;padding:14px;background:#eff6ff}.person img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#cbd5e1}.memory-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.memory img,.memory video{width:100%;height:180px;object-fit:cover;border-radius:12px;background:#0f172a}footer{text-align:center;padding:30px;color:#64748b}@media(max-width:700px){.topbar{align-items:flex-start;gap:12px;flex-direction:column}.form-grid{grid-template-columns:1fr}}