.nav-item__badge { margin-left: auto; }
.app.is-collapsed .nav-item__label,
.app.is-collapsed .nav-item__badge { opacity: 0; width: 0; }
.app.is-collapsed .nav-item { justify-content: center; padding: 10px 0; }
/* ============================================================
   Layout — application shell
   Sidebar + topbar + scrollable main region.
   ============================================================ */

.app {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100vh;
  height: 100dvh;
}

.app__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-sidebar);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  border-right: 1px solid var(--border-subtle);
  z-index: var(--z-sidebar);
  transition: width var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    background-color var(--dur-slow) var(--ease-out);
}

.app.is-collapsed .sidebar {
  width: var(--sidebar-width-collapsed);
}

/* --- Brand --- */
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: var(--topbar-height);
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  overflow: hidden;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  box-shadow: var(--shadow-brand);
  color: #fff;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.brand-name strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
}

.brand-name span {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.app.is-collapsed .brand-name {
  opacity: 0;
  pointer-events: none;
}

/* --- Navigation --- */
.sidebar__nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-group+.nav-group {
  margin-top: var(--space-5);
}

.nav-group__label {
  padding: 0 var(--space-3) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.app.is-collapsed .nav-group__label {
  opacity: 0;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 10px var(--space-3);
  margin-bottom: 2px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.nav-item:active {
  transform: scale(0.985);
}

.nav-item.is-active {
  background: var(--bg-active);
  color: var(--text-brand);
}

.nav-item.is-active::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  translate: 0 -50%;
  width: 3px;
  height: 22px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
}

.nav-item__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.nav-item__label {
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.nav-item__badge {
  margin-left: auto;
}

.app.is-collapsed .nav-item__label,
.app.is-collapsed .nav-item__badge {
  opacity: 0;
  width: 0;
}

.app.is-collapsed .nav-item {
  justify-content: center;
  padding: 10px 0;
}

/* --- Dynamic store submenu (Mağaza Analizi) --- */
.nav-submenu {
  display: flex;
  flex-direction: column;
  margin: 0 0 4px;
  padding-left: var(--space-5);
  border-left: 1px solid var(--border-subtle);
  margin-left: var(--space-4);
}
.nav-submenu__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 7px var(--space-3);
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.nav-submenu__item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}
.nav-submenu__item.is-active {
  background: var(--bg-active);
  color: var(--text-brand);
  font-weight: var(--weight-medium);
}
.nav-submenu__icon {
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.nav-submenu__label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.app.is-collapsed .nav-submenu {
  display: none;
}

/* --- Sidebar footer --- */
.sidebar__footer {
  padding: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.sidebar-collapse-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-collapse-btn svg {
  transition: transform var(--dur-base) var(--ease-out);
}

.app.is-collapsed .sidebar-collapse-btn svg {
  transform: rotate(180deg);
}

.sidebar-scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-sidebar) - 1);
  background: var(--bg-scrim);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.sidebar-scrim.is-visible {
  opacity: 1;
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: var(--topbar-height);
  padding: 0 var(--space-5);
  flex-shrink: 0;
  background: var(--bg-topbar);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-topbar);
  transition: background-color var(--dur-slow) var(--ease-out);
}

.topbar__section {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar__section--end {
  margin-left: auto;
}

.topbar__divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
  margin: 0 var(--space-2);
}

/* ============================================================
   Main content region
   ============================================================ */
.main {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-6) var(--space-6) var(--space-8);
  scroll-behavior: smooth;
}

.page {
  max-width: var(--content-max);
  margin: 0 auto;
  animation: page-enter var(--dur-slow) var(--ease-out) both;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.page__heading .eyebrow {
  margin-bottom: var(--space-1);
  display: block;
}

.page__subtitle {
  margin-top: var(--space-1);
  font-size: var(--text-md);
}

.page__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ============================================================
   Responsive behavior
   ============================================================ */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .app.is-nav-open .sidebar {
    transform: translateX(0);
    width: var(--sidebar-width);
  }

  .app.is-collapsed .sidebar {
    width: var(--sidebar-width);
  }

  /* collapse only applies on desktop */
  .app.is-collapsed .brand-name,
  .app.is-collapsed .nav-item__label,
  .app.is-collapsed .nav-group__label,
  .app.is-collapsed .nav-item__badge {
    opacity: 1;
    width: auto;
  }

  .app.is-collapsed .nav-item {
    justify-content: flex-start;
    padding: 10px var(--space-3);
  }
}

@media (max-width: 640px) {
  .main {
    padding: var(--space-4) var(--space-4) var(--space-7);
  }

  .topbar {
    padding: 0 var(--space-4);
  }

  .hide-sm {
    display: none !important;
  }
}