.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: linear-gradient(180deg, #fff 0%, #f5f4f2 100%);
  border-bottom: 3px solid var(--color-orange);
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.app-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
}

.app-header__brand span:first-child {
  font-size: 1.25rem;
}

.link-start {
  font-size: 0.9rem;
  color: var(--color-orange-dark);
  text-decoration: none;
  font-weight: 600;
}

.link-start:hover {
  text-decoration: underline;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.main-nav a {
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: #fff;
  border: 1px solid #ddd;
  color: var(--color-ink);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.main-nav a:hover {
  border-color: var(--color-orange);
  color: var(--color-orange-dark);
}

.main-nav a.is-active {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: #fff;
}

.page-content {
  flex: 1;
  padding: 24px 16px 40px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.page-content h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.page-content .lead {
  margin: 0 0 24px;
  color: var(--color-muted);
}

.placeholder-box {
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed #ccc;
  text-align: center;
  color: var(--color-muted);
}

/* ---------- Handy ----------
   Tippziele auf die empfohlenen 44px bringen. */

@media (max-width: 768px) {
  .main-nav {
    gap: 6px;
  }

  .main-nav a {
    padding: 13px 16px;
  }

  .link-start {
    padding: 8px 0;
  }

  .page-content {
    padding: 18px 14px 32px;
  }
}