/* public/assets/css/layout.css */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--corp-dark);
  color: var(--corp-ice);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#app-root {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  position: relative;
  background: radial-gradient(circle at 80% 10%, rgba(16, 68, 102, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 20% 90%, rgba(0, 191, 255, 0.08) 0%, transparent 40%),
              var(--corp-dark);
}

/* Sidebar Backdrop for Mobile/Offcanvas */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 30, 43, 0.65);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  z-index: calc(var(--z-sidebar) - 1);
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop.active {
  display: block;
  opacity: 1;
}

/* Sidebar Skeleton */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: var(--glass-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal), transform var(--transition-normal);
  z-index: var(--z-sidebar);
  position: relative;
  flex-shrink: 0;
}

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

/* Main Content Area */
.app-main-wrapper {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-x: hidden;
  overflow-y: hidden;
  position: relative;
}

/* Topbar Header */
.app-topbar {
  min-height: var(--topbar-height);
  background: rgba(12, 30, 43, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
  gap: 0.75rem;
  z-index: var(--z-topbar);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* Scrollable Body Content */
.app-content {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
  width: 100%;
  padding: 1.25rem 1.25rem 4.5rem 1.25rem;
  scrollbar-gutter: stable;
}

.app-content::-webkit-scrollbar {
  width: 6px;
}
.app-content::-webkit-scrollbar-track {
  background: transparent;
}
.app-content::-webkit-scrollbar-thumb {
  background: rgba(208, 236, 251, 0.2);
  border-radius: 3px;
}
.app-content::-webkit-scrollbar-thumb:hover {
  background: var(--corp-cyan);
}

/* Footer Pin */
.app-footer {
  min-height: var(--footer-height);
  background: rgba(12, 30, 43, 0.92);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-top: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
  font-size: 12px;
  color: var(--corp-text-muted);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: relative;
  z-index: 10;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .app-content {
    padding: 1rem;
  }
  .app-topbar {
    padding: 0.5rem 1rem;
  }
  .app-footer {
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    box-shadow: none;
  }

  .app-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.75);
  }

  .app-content {
    padding: 0.75rem;
  }

  .topbar-hide-mobile {
    display: none !important;
  }
}