*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); width: 100%; }
main.container { flex: 1; padding-top: var(--space-xl); padding-bottom: var(--space-2xl); }

.site-header { border-bottom: 1px solid var(--color-border); padding: var(--space-md) 0; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.25rem; color: var(--color-text); text-decoration: none; }
.site-footer { border-top: 1px solid var(--color-border); padding: var(--space-lg) 0; color: var(--color-muted); font-size: 0.875rem; }
.site-footer p { margin-bottom: var(--space-xs); }
.footer-nav { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.footer-nav a { color: var(--color-muted); }
.footer-nav a:hover { color: var(--color-text); }

.legal { max-width: 680px; margin: 0 auto; padding: var(--space-xl) 0; }
.legal h2 { font-size: 1.125rem; margin-top: var(--space-xl); }
.legal ul { margin: 0 0 var(--space-md) var(--space-lg); }
.legal li { margin-bottom: var(--space-xs); }

h1 { font-size: 2rem; margin-bottom: var(--space-md); }
h2 { font-size: 1.5rem; margin-bottom: var(--space-sm); }
p { margin-bottom: var(--space-md); }
.muted { color: var(--color-muted); font-size: 0.875rem; }

.btn {
  display: inline-block; padding: 0.625rem 1.25rem; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; border: none; cursor: pointer;
  font-size: 0.9375rem; transition: background 0.15s;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: #f9fafb; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1.0625rem; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-link { background: none; border: none; color: var(--color-primary); cursor: pointer; text-decoration: underline; }

.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-weight: 500; margin-bottom: var(--space-xs); font-size: 0.875rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.625rem 0.75rem; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: 2px solid var(--color-primary); outline-offset: 1px;
}
.form-group.checkbox label { display: flex; align-items: center; gap: var(--space-xs); font-weight: 400; }
.form-group.checkbox input { width: auto; }
fieldset { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-lg); margin-bottom: var(--space-lg); }
legend { font-weight: 600; padding: 0 var(--space-xs); }

.alert { padding: var(--space-md); border-radius: var(--radius-sm); margin-bottom: var(--space-md); }
.alert-success { background: #ecfdf3; color: #027a48; border: 1px solid #a6f4c5; }
.alert-error { background: #fef3f2; color: #b42318; border: 1px solid #fecdca; }
.alert-warning { background: #fffaeb; color: #b54708; border: 1px solid #fedf89; }
.alert-info { background: #eff8ff; color: #175cd3; border: 1px solid #b2ddff; }
.error { color: var(--color-error); font-size: 0.8125rem; }
.hidden { display: none; }

.field-hint { font-size: 0.8125rem; color: var(--color-muted); margin: 0.25rem 0 0; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-danger { background: #fff; color: var(--color-error); border: 1px solid #fecdca; }
.btn-danger:hover { background: #fef3f2; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }