body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.12), transparent 28%),
    radial-gradient(circle at top right, rgba(14,165,233,.10), transparent 25%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  color: #0f172a;
}
a { color: inherit; text-decoration: none; }
.app-layout { display:flex; min-height:100vh; }
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color:#e2e8f0;
  display:flex;
  flex-direction:column;
  padding: 24px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  box-shadow: 10px 0 30px rgba(15,23,42,.18);
}
.sidebar-brand {
  display:flex;
  gap:12px;
  align-items:center;
  padding: 8px 10px 18px;
  border-bottom:1px solid rgba(148,163,184,.18);
  margin-bottom: 18px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color:#fff;
  font-weight:900;
  letter-spacing:.04em;
}
.sidebar-brand strong { display:block; font-size:18px; color:#fff; }
.sidebar-brand span { display:block; font-size:12px; color:#94a3b8; margin-top:2px; }
.sidebar-nav { display:flex; flex-direction:column; gap:8px; padding-top: 12px; }
.nav-item {
  padding: 12px 14px;
  border-radius: 14px;
  color:#cbd5e1;
  font-weight:700;
  background: transparent;
  border: 1px solid transparent;
  transition: all .2s ease;
}
.nav-item:hover { background: rgba(255,255,255,.05); color:#fff; transform: translateX(2px); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(37,99,235,.22), rgba(6,182,212,.18));
  color:#fff;
  border-color: rgba(96,165,250,.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.sidebar-footer {
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(148,163,184,.18);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.user-chip {
  background: rgba(255,255,255,.05);
  border:1px solid rgba(148,163,184,.18);
  border-radius:16px;
  padding:12px 14px;
  color:#fff;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.user-chip span { color:#94a3b8; font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
.logout-link {
  text-align:center;
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(248,113,113,.12);
  color:#fca5a5;
  border:1px solid rgba(248,113,113,.18);
  font-weight:800;
}
.app-main { flex:1; min-width:0; }
.shell { max-width: 1280px; margin: 0 auto; padding: 24px; }
.login-shell { max-width: none; }
.topbar {
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 24px; background: rgba(255,255,255,.72); color:#0f172a;
  border-bottom:1px solid rgba(148,163,184,.22);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar span { margin-left: 12px; color:#64748b; font-size: 14px; }
.topbar-user { display:flex; gap:10px; align-items:center; color:#475569; font-weight:700; }
.status-dot {
  width:10px;
  height:10px;
  border-radius:999px;
  background:#22c55e;
  box-shadow:0 0 0 6px rgba(34,197,94,.12);
}
.flash { max-width: 1280px; margin: 16px auto 0; padding: 12px 16px; border-radius: 12px; }
.flash.success { background:#ecfdf5; color:#047857; }
.flash.error { background:#fef2f2; color:#b91c1c; }
.card, .panel {
  background: rgba(255,255,255,.86); border:1px solid rgba(226,232,240,.9); border-radius:20px; box-shadow:0 18px 40px rgba(15,23,42,.08);
  padding:24px;
  backdrop-filter: blur(10px);
}
.grid { display:grid; gap:16px; }
.stats { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat { padding:16px; border-radius:16px; background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.85)); border:1px solid rgba(226,232,240,.95); box-shadow:0 14px 24px rgba(15,23,42,.05); }
.stat .label { font-size:11px; text-transform:uppercase; letter-spacing:.12em; color:#64748b; font-weight:800; }
.stat .value { font-size:28px; font-weight:900; margin-top:8px; }
  .btn {
    display:inline-block;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color:#fff; border:none; padding:12px 16px; border-radius:14px; font-weight:800; cursor:pointer;
    box-shadow:0 12px 24px rgba(15,23,42,.18);
  }
  .btn.secondary { background:#fff; color:#0f172a; border:1px solid #cbd5e1; box-shadow:none; }
  .btn.danger { background:#dc2626; color:#fff; box-shadow:0 12px 24px rgba(220,38,38,.18); }
.input, select, textarea {
  width:100%; box-sizing:border-box; padding:12px 14px; border:1px solid #cbd5e1; border-radius:12px; font:inherit; background:#fff;
}
label { display:block; font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.12em; color:#64748b; margin-bottom:6px; }
table { width:100%; border-collapse:collapse; }
th, td { padding:14px 12px; border-bottom:1px solid #e2e8f0; vertical-align:top; }
th { text-align:left; font-size:11px; text-transform:uppercase; letter-spacing:.12em; color:#64748b; }
.badge { display:inline-block; padding:4px 8px; border-radius:999px; font-size:12px; font-weight:800; border:1px solid transparent; }
.login-wrap { min-height:100vh; display:grid; place-items:center; padding:24px; }
.login-box { width:min(480px, 100%); }
.muted { color:#64748b; }
.cols-2 { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:16px; }
.cols-3 { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap:16px; }
.autocomplete { position: relative; }
.autocomplete-list {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(15,23,42,.14);
  overflow: hidden;
  z-index: 30;
  max-height: 280px;
  overflow-y: auto;
}
.autocomplete-option {
  width: 100%;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:4px;
  padding: 12px 14px;
  border: 0;
  background: transparent;
  text-align:left;
  cursor:pointer;
  font: inherit;
}
.autocomplete-option strong { font-size: 14px; color:#0f172a; }
.autocomplete-option span { font-size: 12px; color:#64748b; }
.autocomplete-option:hover, .autocomplete-option.active { background: #eff6ff; }
@media (max-width: 768px) {
  .app-layout { flex-direction:column; }
  .sidebar { width:auto; height:auto; position:relative; }
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .topbar { flex-direction:column; gap:10px; align-items:flex-start; }
}