.button {
  display: inline-flex;
  min-width: 0;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-control);
  max-width: 100%;
  text-align: center;
  overflow-wrap: anywhere;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.button--primary { background: var(--text-primary); color: var(--bg-primary); }
.button--primary:hover:not(:disabled) { background: var(--accent-strong); color: var(--text-inverse); }
.button--secondary { border-color: var(--border); background: var(--bg-secondary); }
.button--secondary:hover:not(:disabled) { border-color: var(--border-strong); background: var(--bg-subtle); }
.button:disabled { border-color: var(--border); background: var(--bg-subtle); color: var(--status-muted); cursor: not-allowed; }

.control {
  min-height: 2.5rem;
  min-width: 0;
  max-width: 7.5rem;
  padding: 0.4rem 1.8rem 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  line-height: var(--line-height-control);
  transition: border-color var(--transition-fast), background-color var(--transition-theme);
}

.control[data-language-select] { width: 9rem; max-width: 9rem; }

.control:hover:not(:disabled) { border-color: var(--border-strong); }
.control:disabled { border-color: var(--border); background: var(--bg-subtle); color: var(--status-muted); cursor: not-allowed; }
.control-label { display: inline-flex; min-width: 0; align-items: center; gap: var(--space-2); color: var(--text-secondary); font-size: var(--font-size-xs); font-weight: var(--font-weight-semibold); line-height: var(--line-height-control); }
.surface { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-secondary); box-shadow: var(--shadow-sm); }
.status { display: inline-flex; max-width: 100%; align-items: center; gap: var(--space-2); color: var(--status-muted); font-size: var(--font-size-xs); font-weight: var(--font-weight-bold); letter-spacing: 0.04em; line-height: var(--line-height-control); text-align: center; text-transform: uppercase; }
.status::before { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: currentColor; content: ""; }
.status--available { color: var(--accent); }
.text-link { font-weight: var(--font-weight-bold); text-decoration-color: var(--border-strong); transition: color var(--transition-fast), text-decoration-color var(--transition-fast); }
.text-link:hover { color: var(--accent); text-decoration-color: currentColor; }
.icon { width: 1.1rem; height: 1.1rem; flex: 0 0 auto; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg-primary) 92%, transparent); }
.header-inner { display: flex; min-height: 4.5rem; align-items: center; gap: var(--space-6); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-weight: var(--font-weight-bold); letter-spacing: -0.025em; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 0.75rem; height: 0.75rem; border: 3px solid var(--accent); border-radius: 50%; box-shadow: 0 0 0 4px var(--accent-soft); }
.site-nav { display: flex; min-width: 0; flex-wrap: wrap; align-items: center; gap: var(--space-5); margin-right: auto; }
.site-nav a, .site-footer nav a { display: inline-flex; min-width: 0; min-height: 2.75rem; align-items: center; color: var(--text-secondary); font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); line-height: var(--line-height-control); overflow-wrap: anywhere; text-decoration: none; }
.site-nav a:hover, .site-footer nav a:hover { color: var(--text-primary); }
.header-inner > *, .header-controls > *, .control-label > span { min-width: 0; }
.header-controls { display: flex; min-width: 0; flex: 0 1 auto; align-items: center; gap: var(--space-3); }

.site-footer { padding-block: var(--space-7); border-top: 1px solid var(--border); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-6); }
.footer-inner p { margin: var(--space-3) 0 0; color: var(--text-secondary); font-size: var(--font-size-sm); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--space-5); }

@media (max-width: 68rem) {
  .header-inner { flex-wrap: wrap; padding-block: var(--space-3); gap: var(--space-3) var(--space-5); }
  .site-nav { order: 3; width: 100%; padding-top: var(--space-3); border-top: 1px solid var(--border); }
  .header-controls { margin-left: auto; }
}

@media (max-width: 38rem) {
  .header-controls { width: 100%; align-items: stretch; flex-direction: column; margin-left: 0; }
  .control-label { width: 100%; justify-content: space-between; }
  .control, .control[data-language-select] { width: min(100%, 12rem); max-width: none; }
  .site-nav { justify-content: flex-start; gap: var(--space-2) var(--space-4); }
  .site-nav a { font-size: 0.8rem; }
  .footer-inner { flex-direction: column; }
}