/* ============================================================
   LAYOUT
   ============================================================ */

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background: var(--bg-base);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

#main {
  margin-left: 60px;
  padding: 24px;
  min-height: 100vh;
}

.section { display: none; animation: fadeIn 150ms ease; }
.section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.section-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.section-sub { color: var(--text-secondary); margin-bottom: 20px; font-size: 13px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }