*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--header-height);
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
input, textarea, select, button { font-family: inherit; font-size: 16px; }
input, textarea, select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px 16px;
  width: 100%;
  transition: border-color 0.2s ease;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
.container { max-width: 1200px; margin: 0 auto; padding: 20px 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-5 { grid-template-columns: repeat(5, 1fr); } }
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.flex { display: flex; } .flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; }
.wrap { flex-wrap: wrap; }