:root{
  --bg:#f9fbfd; --card:#fff; --text:#1a2b49; --muted:#6b7683;
  --ring:#007bff; --accent1:#007bff; --accent2:#00bfff;
  --bd:rgba(0,0,0,.06); --shadow:0 6px 18px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);font-family:'Segoe UI',sans-serif;color:var(--text)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#fff;border-bottom:1px solid var(--bd)}
.topbar .brand{font-weight:800}
.nav a{margin:0 8px;color:var(--text);text-decoration:none;font-weight:600}
.nav a:hover{color:var(--accent1)}
.container{padding:24px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px)}
.btn{background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#fff;border:0;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer}
.label{color:var(--muted);font-size:13px}
.value{font-weight:800;font-size:26px}
.input,select,textarea{width:100%;padding:10px 12px;border:1px solid #dfe5ef;border-radius:10px;outline:0}
.input:focus,select:focus,textarea:focus{border-color:var(--ring);box-shadow:0 0 0 3px rgba(0,123,255,.08)}
.row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media(max-width:900px){.row{grid-template-columns:1fr}}
.title{font-size:22px;font-weight:800;margin-bottom:12px}
.section-title{text-transform:uppercase;font-weight:700;font-size:14px;color:var(--text);margin:6px 0 12px}
.feed{list-style:none;margin:0;padding:0}
.feed li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--bd)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent1)}