/* ===== App-Shell ===== */
.topbar {
  height: var(--topbar-h);
  background: var(--c-ink);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 var(--s-6);
  gap: var(--s-6);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar__brand {
  font-weight: var(--fw-black);
  font-size: var(--fs-md);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.topbar__brand::before {
  content: '武';
  color: var(--c-red);
  font-size: var(--fs-lg);
}
.topbar__spacer {
  flex: 1;
}
.topbar__user {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-sm);
}

/* ===== Nav (zweite Zeile unter Topbar) ===== */
.nav {
  height: var(--nav-h);
  background: var(--c-bg-elev);
  border-bottom: var(--b-1);
  display: flex;
  align-items: stretch;
  padding: 0 var(--s-6);
  position: sticky;
  top: var(--topbar-h);
  z-index: 49;
  overflow-x: auto;
  /* Scrollbar auf Desktop verstecken — Items scrollen weiterhin auf Mobile */
  scrollbar-width: none;
}
.nav::-webkit-scrollbar {
  display: none;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--s-4);
  color: var(--c-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition:
    color var(--t-fast),
    border-color var(--t-fast);
  white-space: nowrap;
}
.nav__link:hover {
  color: var(--c-ink);
}
.nav__link--active {
  color: var(--c-ink);
  border-bottom-color: var(--c-red);
}

/* ===== Main ===== */
.main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--s-8) var(--s-6);
  /* scroll-margin-top: Topbar (56px) + Nav (48px) + 8px Buffer = 112px
     Verhindert dass Heading-Anker beim SPA-Routing unter die sticky Nav rutscht */
  scroll-margin-top: calc(var(--topbar-h) + var(--nav-h) + 8px);
}

/* ===== Hero (Sektions-Header) ===== */
.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--s-8);
  padding-bottom: var(--s-4);
  border-bottom: var(--b-2);
}
.hero__title,
.main > h1,
.main > .section-header > h1 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1;
}
.hero__sub {
  color: var(--c-muted);
  font-size: var(--fs-sm);
  margin-top: var(--s-2);
}
.hero__actions {
  display: flex;
  gap: var(--s-2);
}

/* ===== Grids ===== */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
  margin-bottom: var(--s-8);
}
@media (max-width: 900px) {
  .grid-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
}
@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ===== Login-Screen ===== */
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-ink);
  color: #fff;
  padding: var(--s-6);
}
.login__card {
  width: 100%;
  max-width: 400px;
  background: var(--c-bg-dark-elev);
  padding: var(--s-8);
  border-top: 3px solid var(--c-red);
  border-radius: var(--r-sm);
}
.login__brand {
  text-align: center;
  margin-bottom: var(--s-8);
}
.login__brand-kanji {
  font-size: var(--fs-3xl);
  color: var(--c-red);
  font-weight: var(--fw-black);
  display: block;
  line-height: 1;
}
.login__brand-text {
  font-weight: var(--fw-black);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: var(--s-2);
}
.login .field__label {
  color: var(--c-subtle);
}
.login .input {
  background: var(--c-ink);
  border-color: var(--c-border-strong);
  color: #fff;
}
.login .input:focus {
  border-color: var(--c-red);
}

/* ===== Utility ===== */
.hidden {
  display: none !important;
}
.row {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

/* View-As Dropdown in der Topbar */
.view-as-wrap {
  position: relative;
  display: inline-block;
  margin-right: 8px;
}
.view-as-btn {
  background: transparent;
  color: #fff;
  border: 1px solid var(--c-border-strong, #555);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.view-as-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}
.view-as-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  background: #fff;
  color: #222;
  border: 1px solid #ddd;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  padding: 4px 0;
}
.view-as-menu[hidden] {
  display: none;
}
.view-as-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.view-as-menu button:hover {
  background: #f5f5f5;
}
.view-as-menu button.is-active {
  font-weight: 600;
  color: #0f766e;
}
.view-as-menu__sep {
  border-top: 1px solid #eee;
  margin: 4px 0;
}

/* View-As-Banner */
.view-as-banner {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f59e0b;
  color: #1f2937;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid #b45309;
}
.view-as-banner__icon {
  background: rgba(0, 0, 0, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.view-as-banner__text {
  flex: 1;
}
.view-as-banner__btn {
  background: #1f2937;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}
.view-as-banner__btn:hover {
  background: #111827;
}

@keyframes view-as-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0);
  }
}
.view-as-banner--pulse {
  animation: view-as-pulse 0.8s ease-out 2;
}