/* Base */
.nis-card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;padding:14px}
.nis-row{margin:10px 0}
.nis-row label{display:block;font-weight:700;margin-bottom:6px}
.nis-row input,.nis-row textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:10px}
.nis-actions{display:flex;gap:10px;align-items:center;margin-top:10px;flex-wrap:wrap}
.nis-result{margin-top:12px;padding:10px;background:#fafafa;border:1px dashed #ddd;border-radius:10px}
.nis-list{margin-top:12px}
.nis-item{padding:12px;border:1px solid #eee;border-radius:12px;background:#fcfcfc;margin-bottom:10px}
.nis-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.nis-muted{color:#666}

/* Shell */
.nis-shell{max-width:1200px;margin:20px auto;padding:0 12px}
.nis-shell-layout{display:grid;grid-template-columns:280px 1fr;gap:12px;min-height:70vh}
.nis-sidebar{background:#0f172a;color:#fff;border-radius:16px;padding:14px;display:flex;flex-direction:column}
.nis-brand-title{font-weight:900;font-size:18px}
.nis-brand-sub{opacity:.7;font-size:12px;margin-top:2px}
.nis-userbox{margin-top:14px;padding:10px;border:1px solid rgba(255,255,255,.15);border-radius:12px}
.nis-user-name{font-weight:800}
.nis-user-role{opacity:.7;font-size:12px;margin-top:4px}

.nis-menu{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.nis-menu-item{display:block;padding:10px;border-radius:12px;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.12)}
.nis-menu-item:hover{background:rgba(255,255,255,.08)}
.nis-menu-item.active{background:rgba(255,255,255,.14)}

.nis-sidebar-footer{margin-top:auto;padding-top:12px}
.nis-logout{color:#fff;opacity:.85;text-decoration:none}

.nis-main{background:transparent}
.nis-topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}
.nis-view{display:flex;flex-direction:column;gap:12px}

@media(max-width:980px){
  .nis-shell-layout{grid-template-columns:1fr}
  .nis-sidebar{order:1}
  .nis-main{order:2}
  .nis-grid2{grid-template-columns:1fr}
}

.nis-shell-messages{display:grid;grid-template-columns:360px 1fr;gap:12px}
.nis-messages-box{height:360px;overflow:auto;border:1px solid #eee;border-radius:12px;padding:10px;background:#fff}
.nis-msg{margin:8px 0;padding:10px;border-radius:12px;border:1px solid #eee;background:#fcfcfc}
.nis-msg.me{border-color:#dbeafe;background:#eff6ff}
.nis-msg-meta{font-size:12px;color:#666;margin-bottom:6px}
.nis-msg-body{white-space:pre-wrap}
@media(max-width:980px){.nis-shell-messages{grid-template-columns:1fr}}

.nis-badge{
  display:inline-block;
  min-width:22px;
  padding:2px 8px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.25);
  font-size:12px;
  margin-inline-start:8px;
  text-align:center;
}