body.layout-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--topbar-height) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar content";
  transition: grid-template-columns var(--transition);
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  grid-area: sidebar;
  background: var(--color-surface);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.75rem 1.35rem;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  width: var(--sidebar-width);
  transition: width var(--transition), padding var(--transition);
  z-index: 1500;
}

.sidebar__section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.16em;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar__link {
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}

.sidebar__link:hover,
.sidebar__link.is-active {
  background: rgba(255, 122, 61, 0.18);
  color: var(--color-text);
}

.topbar {
  grid-area: topbar;
  background: rgba(18, 22, 32, 0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
}

.topbar__collapse {
  background: rgba(255, 255, 255, 0.06);
  border: none;
  border-radius: 12px;
  color: var(--color-text);
  padding: 0.55rem 0.9rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.topbar__collapse:hover {
  background: rgba(37, 117, 252, 0.2);
  transform: translateY(-1px);
}

.topbar__nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.topbar__nav-link {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.topbar__nav-link:hover,
.topbar__nav-link.is-active {
  background: rgba(37, 117, 252, 0.16);
  color: var(--color-text);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.action-button {
  background: var(--color-surface);
  border: none;
  border-radius: 12px;
  padding: 0.6rem 1rem;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background var(--transition), transform var(--transition);
}

.action-button:hover {
  background: rgba(37, 117, 252, 0.16);
  transform: translateY(-1px);
}

/* Search Bar Styling */
.topbar__search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar__search input[type="search"] {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 0.65rem 1rem;
  color: var(--color-text);
  font-size: 0.95rem;
  min-width: 200px;
  transition: all 0.2s ease;
}

.topbar__search input[type="search"]::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.topbar__search input[type="search"]:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 122, 61, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 122, 61, 0.1);
}

.topbar__search input[type="search"]:hover:not(:focus) {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Search button specific styling */
.topbar__search .action-button {
  background: rgba(255, 122, 61, 0.15);
  border: 1px solid rgba(255, 122, 61, 0.3);
  color: var(--color-accent);
  font-weight: 500;
}

.topbar__search .action-button:hover {
  background: rgba(255, 122, 61, 0.25);
  border-color: rgba(255, 122, 61, 0.5);
  transform: translateY(-1px);
}

.content-shell {
  grid-area: content;
  padding: 1.5rem;
  background: radial-gradient(circle at top, rgba(37, 117, 252, 0.08), transparent 60%);
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  height: 100%;
  box-sizing: border-box;
}

.content-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Dashboard keeps full width for widgets */
.dashboard-page .content-inner {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

body.sidebar-collapsed {
  --sidebar-width: 72px;
}

body.sidebar-collapsed .sidebar {
  padding: 1rem 0.6rem;
  align-items: center;
}

body.sidebar-collapsed .sidebar__section-title,
body.sidebar-collapsed .sidebar__nav {
  display: none;
}

@media (max-width: 1024px) {
  body.layout-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-height) auto;
    grid-template-areas:
      "topbar"
      "content";
  }

  .topbar {
    gap: 0.75rem;
    padding: 0 1rem;
  }

  .sidebar {
    position: fixed;
    inset: 0 30% 0 0;
    transform: translateX(-100%);
    transition: transform var(--transition);
    width: 260px;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  body.sidebar-collapsed {
    --sidebar-width: 260px;
  }
}