*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg-soft);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.site-header { display: flex; flex-direction: column; flex-shrink: 0; border-bottom: 1px solid var(--nav-border); background: var(--nav-bg); }
.navigation { background: var(--nav-bg); height: var(--nav-h); }
.navigation__inner {
  height: 100%; display: flex; align-items: center; gap: 2rem;
  padding: 0 1.25rem; max-width: 1400px; margin: 0 auto;
}
.navigation__logo { display: inline-flex; align-items: center; flex-shrink: 0; text-decoration: none; height: 40px; }
.navigation__logo img { height: 40px; width: auto; display: block; }
.navigation__items { display: flex; gap: 0.5rem; }
.navigation__user-area { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.navigation__user { font-weight: 600; color: var(--nav-fg-soft); font-size: 0.85rem; max-width: 18rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.navigation__btn { font: inherit; font-size: 0.85rem; font-weight: 600; padding: 0.4rem 0.9rem; background: transparent; color: var(--nav-fg-soft); border: 1px solid var(--nav-border); border-radius: 4px; cursor: pointer; }
.navigation__btn:hover { background: var(--nav-soft-2); color: var(--nav-fg); border-color: var(--nav-fg-soft); }
.navigation__btn:focus-visible { outline: 2px solid var(--nav-accent); outline-offset: 1px; }
.navigation__item {
  display: inline-flex; align-items: center; height: 100%;
  padding: 0 0.85rem; color: var(--nav-fg-soft); text-decoration: none;
  font-size: 0.92rem; font-weight: 600;
  border-bottom: 3px solid transparent; margin-bottom: -1px;
  transition: color 0.1s, border-color 0.1s;
}
.navigation__item:hover { color: var(--nav-accent); }
.navigation__item.active { color: var(--nav-accent); border-bottom-color: var(--nav-accent); }
.navigation__item:focus-visible { outline: 2px solid var(--nav-accent); outline-offset: -2px; }
@media (max-width: 720px) {
  .navigation__user { max-width: 8rem; font-size: 0.78rem; }
  .navigation__btn { padding: 0.3rem 0.6rem; font-size: 0.78rem; }
  .navigation__inner { gap: 0.75rem; padding: 0 0.75rem; }
  .navigation__item { padding: 0 0.5rem; font-size: 0.85rem; }
}
.primary-btn { font: inherit; font-weight: 600; padding: 0.4rem 0.8rem; border: 0; border-radius: var(--radius); background: var(--accent); color: var(--accent-fg); cursor: pointer; }
.primary-btn:hover { background: var(--accent-hover); }
.primary-btn-danger { background: var(--error); }
.primary-btn-danger:hover { background: #a52424; }
.ghost-btn { font: inherit; padding: 0.3rem 0.6rem; background: transparent; color: var(--fg-soft); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; font-size: 0.85rem; }
.ghost-btn:hover { background: var(--bg-soft); color: var(--fg); }
button[disabled] { opacity: 0.6; cursor: progress; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }