:root{ --bg:#101317; --panel:#151b21; --text:#e8eef6; --muted:#a7b6c7; --border:#26313d; --accent:#b31619; }
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text); font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial; }
a{ color:#8ab4ff; text-decoration:none; }
.topbar{ background:#7b1416; color:#fff; padding:10px 16px; display:flex; justify-content:space-between; align-items:center; }
.layout{ display:flex; }
.sidenav{ width:220px; padding:12px; background:linear-gradient(180deg,#1a0f10,#120c0c); min-height:calc(100vh - 48px); border-right:1px solid var(--border); }
.sidenav a{ display:block; padding:10px 12px; color:#e9edf5; border-radius:8px; margin-bottom:6px; }
.sidenav a:hover{ background:#2a1717; }
.content{ flex:1; padding:20px; }
.cards{ display:grid; grid-template-columns:repeat(3,260px); gap:16px; }
.card{ background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:14px; }
.card-title{ font-weight:700; color:#dce8f7; margin-bottom:8px; }
.panel{ background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:14px; }
.btn{ background:#313942; border:1px solid var(--border); color:#fff; padding:6px 10px; border-radius:8px; cursor:pointer; }
.btn.primary{ background:var(--accent); }
.row{ display:flex; gap:8px; align-items:center; }
.grid{ display:grid; gap:12px; }
.grid.cols-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.input{ background:#0f1318; color:#fff; border:1px solid var(--border); border-radius:8px; padding:8px; }
.login-body{ display:grid; place-items:center; height:100vh; }
.login-card{ width:360px; background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:18px; display:flex; flex-direction:column; gap:8px; }
.msg{ color:#ffb6b6; min-height:20px; }
.table{ width:100%; border-collapse:collapse; }
.table th,.table td{ border-bottom:1px solid var(--border); padding:8px; text-align:left; }
.badge{ background:#233040; padding:2px 8px; border-radius:999px; font-size:12px; }