/* ==========================================================================
   RBX Server Manager - Layout & Bento Grid Structure
   ========================================================================== */

.app-container {
  max-width: 1280px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-sizing: border-box;
}

/* Header & Top Navbar */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0.75rem;
  z-index: 40;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  overflow: hidden;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.brand-title-group h1 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0;
  white-space: nowrap;
}

.brand-title-link {
  text-decoration: none;
  color: inherit;
}

.brand-subtitle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
  min-width: 0;
  overflow: hidden;
}

.brand-subtitle span:first-child {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.brand-subtitle b {
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
  display: inline-block;
  vertical-align: bottom;
}

.brand-subtitle .badge-code {
  font-family: var(--font-mono);
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Header Controls & Uniform 36px Heights */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 36px;
  flex-shrink: 0;
}

#sync-status-badge,
#bridge-status-badge {
  display: inline-flex;
  align-items: center;
  height: 36px;
  box-sizing: border-box;
}

#sync-status-badge.badge,
#bridge-status-badge.badge,
#sync-status-badge .badge,
#bridge-status-badge .badge {
  height: 36px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 0.85rem !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  border-radius: var(--radius-md) !important;
  box-sizing: border-box !important;
  gap: 0.45rem !important;
  white-space: nowrap !important;
  line-height: 1 !important;
  background: var(--accent-glow) !important;
  color: var(--accent-primary) !important;
  border: 1px solid var(--border-highlight) !important;
  transition: all var(--transition-fast);
}

#sync-status-badge.badge-secondary,
#bridge-status-badge.badge-secondary,
#sync-status-badge .badge-secondary,
#bridge-status-badge .badge-secondary {
  background: var(--bg-secondary) !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border-color) !important;
}

#sync-status-badge.badge-amber,
#bridge-status-badge.badge-amber,
#sync-status-badge .badge-amber,
#bridge-status-badge .badge-amber {
  background: rgba(245, 158, 11, 0.12) !important;
  color: var(--accent-amber) !important;
  border: 1px solid rgba(245, 158, 11, 0.35) !important;
}

.header-menu-btn {
  width: 36px !important;
  height: 36px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: var(--radius-md) !important;
  box-sizing: border-box !important;
  flex-shrink: 0;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--bg-secondary);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  height: 36px;
  box-sizing: border-box;
}

.btn-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0 0.75rem;
  height: 28px;
  font-size: 0.76rem;
  font-weight: 600;
  border-radius: calc(var(--radius-md) - 2px);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn-tab:hover {
  color: var(--text-main);
  background: var(--bg-hover);
}

.btn-tab.active {
  background: var(--bg-card);
  color: var(--accent-primary);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-sm);
}

.header-menu-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* Presets Carousel Bar (Drag-to-Slide Carousel) */
.presets-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0.1rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.presets-bar.grabbing {
  cursor: grabbing !important;
  cursor: -webkit-grabbing !important;
}

.presets-bar.grabbing * {
  cursor: grabbing !important;
  user-select: none !important;
}

.presets-bar::-webkit-scrollbar {
  display: none;
}

/* Main Workspace */
.main-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1 0 auto;
}

/* Filters Toolbar & Advanced Filters Panel */
.filters-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.85rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.filters-quick-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.advanced-filters-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.75rem;
  margin-top: 0.25rem;
  animation: filter-expand 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes filter-expand {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* Glassmorphic Dropdown & Select Styling */
.filter-select, select.input-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--bg-card);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  background-size: 14px;
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  box-sizing: border-box;
  transition: all var(--transition-fast);
  height: 34px;
}

.filter-select:hover, select.input-control:hover {
  border-color: var(--border-highlight);
  background-color: var(--bg-hover);
}

.filter-select:focus, select.input-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.filter-select option, select.input-control option {
  background-color: var(--bg-card);
  color: var(--text-main);
  padding: 0.5rem;
}

/* Grid Layouts */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.grid-6col {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
}

@media (max-width: 1024px) {
  .grid-3col {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-6col {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2col,
  .grid-3col,
  .grid-6col {
    grid-template-columns: 1fr;
  }
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .header-controls {
    justify-content: space-between;
  }
  .brand-subtitle b {
    max-width: 160px;
  }
}

/* Sidebar Drawer Overlay */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 330px;
  max-width: 88vw;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.sidebar-drawer.active {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

/* App Footer */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.5rem;
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-color);
}

/* Utility Helpers */
.hidden {
  display: none !important;
}