:root{
  --bg:#f7f7f8;
  --card:#ffffff;
  --muted:#6b6b73;
  --primary:#0a84ff;
  --accent:#0070f3;
  --danger:#ff3b30;
  --radius:12px;
  --shadow: 0 6px 18px rgba(15,15,20,0.06);
  --shadow-sm: 0 2px 8px rgba(15,15,20,0.04);
  --max-width:1200px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:#111;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:var(--max-width);margin:32px auto;padding:0 20px}

.header{background:transparent;padding:18px 0;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:600;font-size:18px;color:#0b1226}
.user-info{display:flex;gap:16px;align-items:center}
.role{background:rgba(11,18,38,0.06);padding:6px 12px;border-radius:999px;font-size:12px;color:var(--muted)}
.logout-btn{background:transparent;border:1px solid rgba(11,18,38,0.06);padding:8px 12px;border-radius:8px;color:#111;text-decoration:none}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card-flat{box-shadow:var(--shadow-sm)}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}

.menu-section-header{font-weight:600;padding:14px 18px;background:linear-gradient(180deg,rgba(11,18,38,0.03),transparent);border-bottom:1px solid rgba(11,18,38,0.03)}
.menu-item{display:block;padding:14px 18px;color:#0b1226;text-decoration:none;border-bottom:1px solid rgba(11,18,38,0.03)}
.menu-item:hover{background:rgba(11,18,38,0.02)}
.menu-item.disabled{color:var(--muted);cursor:not-allowed;background:transparent}

/* Forms */
label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
input,select,textarea{width:100%;padding:10px;border:1px solid rgba(11,18,38,0.06);border-radius:10px;background:transparent;font-size:14px}
textarea{min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-full{grid-column:1/-1}

.btn{display:inline-block;padding:10px 16px;border-radius:10px;border:none;background:var(--primary);color:white;text-decoration:none;cursor:pointer}
.btn-secondary{background:transparent;border:1px solid rgba(11,18,38,0.06);color:#111}
.btn-danger{background:var(--danger)}

.table{width:100%;border-collapse:collapse}
.table th{background:#fbfbfc;color:var(--muted);text-align:left;padding:12px;border-bottom:1px solid rgba(11,18,38,0.04)}
.table td{padding:12px;border-bottom:1px solid rgba(11,18,38,0.04)}

.count{padding:10px;background:transparent;color:var(--muted);text-align:right}

.search-row{display:flex;gap:10px}
.search-row input{flex:1}

.message{background:#eaf7ef;border:1px solid rgba(39,174,96,0.12);padding:12px;color:#165c33;border-radius:10px}
.error{background:#fff0f0;border:1px solid rgba(255,59,48,0.08);padding:12px;color:#8a1f1f;border-radius:10px}

/* responsive */
@media (max-width:720px){.form-row{grid-template-columns:1fr}.header{flex-direction:column;align-items:flex-start}.user-info{margin-top:12px}}

/* small helpers */
.muted{color:var(--muted)}
.role-badge{display:inline-block;padding:6px 12px;border-radius:999px;font-size:12px}
.role-system{background:#fdecea;color:var(--danger)}
.role-user{background:#e9f5ff;color:var(--accent)}