/* ============================================================
   Globale Sidebar-Navigation
   ============================================================ */
:root {
  --kachel-side-nav-width: 304px;
  --kachel-side-nav-offset: 36px;
}

body.kachel-side-nav-active .site-header {
  display: none;
}

.kachel-side-nav {
  position: absolute;
  top: var(--kachel-side-nav-offset);
  left: var(--kachel-side-nav-offset);
  z-index: 220;
  width: var(--kachel-side-nav-width);
  padding: 0;
  background: transparent;
  border-right: 0;
}

.kachel-side-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-height: 100%;
}

.kachel-side-nav-logo {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  min-height: 124px;
  padding: 24px 22px;
  border-radius: var(--radius);
  background: var(--kachel-orange);
  color: var(--kachel-weiss);
  font-family: var(--schrift-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(26, 26, 26, 0.12);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.kachel-side-nav-logo-text {
  flex: 1 1 auto;
  min-width: 0;
}

.kachel-side-nav-logo:hover,
.kachel-side-nav-logo:focus-visible {
  color: var(--kachel-weiss);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(26, 26, 26, 0.18);
}

.kachel-side-nav-logo:focus-visible,
.kachel-side-nav-menu a:focus-visible {
  outline: 3px solid rgba(26, 26, 26, 0.28);
  outline-offset: 3px;
}

.kachel-side-nav-menu ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kachel-side-nav-menu a {
  display: block;
  min-height: 52px;
  padding: 15px 17px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--kachel-text);
  font-family: var(--schrift-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0;
  text-transform: none;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.kachel-side-nav-menu a:hover,
.kachel-side-nav-menu a:focus-visible {
  color: var(--kachel-weiss);
  border-color: var(--side-nav-accent);
  background: var(--side-nav-accent);
  box-shadow: 0 12px 26px rgba(26, 26, 26, 0.14);
  transform: translateX(5px);
}

.kachel-side-nav-item.is-current a {
  border-color: var(--side-nav-accent);
  background: rgba(255, 255, 255, 0.46);
  background: color-mix(in srgb, var(--side-nav-accent) 12%, transparent);
  box-shadow: inset 5px 0 0 var(--side-nav-accent);
}

@media (min-width: 1025px) {
  body.kachel-side-nav-active {
    padding-left: calc(var(--kachel-side-nav-width) + (var(--kachel-side-nav-offset) * 2));
  }

  body.admin-bar .kachel-side-nav {
    top: calc(32px + var(--kachel-side-nav-offset));
  }
}

@media (max-width: 1024px) {
  .kachel-side-nav {
    position: static;
    width: 100%;
    padding: 12px 14px 14px;
    background: rgba(255, 255, 255, 0.96);
    border-right: 0;
    border-bottom: 0;
    backdrop-filter: blur(10px);
  }

  .kachel-side-nav-inner {
    gap: 12px;
  }

  .kachel-side-nav-logo {
    min-height: 74px;
    padding: 16px 16px;
    font-size: 1.08rem;
  }

  .kachel-side-nav-menu ul {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 2px;
  }

  .kachel-side-nav-menu li {
    flex: 1 1 220px;
  }

  .kachel-side-nav-menu a {
    min-height: 44px;
    padding: 11px 14px;
    font-size: 0.94rem;
    white-space: normal;
  }

  .kachel-side-nav-menu a:hover,
  .kachel-side-nav-menu a:focus-visible {
    transform: translateY(-2px);
  }
}

@media (max-width: 640px) {
  .kachel-side-nav {
    padding: 10px 10px 12px;
  }

  .kachel-side-nav-logo {
    min-height: 64px;
    padding: 14px;
  }

  .kachel-side-nav-menu li {
    flex-basis: 100%;
  }

  .kachel-side-nav-menu a {
    min-height: 42px;
    padding: 10px 12px;
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kachel-side-nav-logo,
  .kachel-side-nav-menu a {
    transition: none;
  }

  .kachel-side-nav-logo:hover,
  .kachel-side-nav-logo:focus-visible,
  .kachel-side-nav-menu a:hover,
  .kachel-side-nav-menu a:focus-visible {
    transform: none;
  }
}