/* ARENA2036 Industrial Metaverse Taxonomy: Minimal Theme for Bootstrap 5 */
:root {
  --bs-primary: #FF5000;
  --bs-primary-rgb: 255, 80, 0;
  --accent-orange: #FF5000;
  --accent-orange-hover: #E04600;

  /* Specification Design Tokens */
  --color-primary: #FF5000;
  --color-secondary: #1E293B;
  --color-bg-main: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-text-primary: #0F172A;
  --color-text-muted: #64748B;
  --bg-subtle: #FAFAFA;
  --border-subtle: #E5E7EB;

  /* 5-Layer Architecture Stack Tokens */
  --color-layer-1: #3B82F6;
  --color-layer-2: #10B981;
  --color-layer-3: #F59E0B;
  --color-layer-4: #8B5CF6;
  --color-layer-5: #EF4444;

  /* Investment Tier Badges */
  --badge-tier-1-bg: #ECFDF5;
  --badge-tier-1-color: #047857;
  --badge-tier-1-border: #A7F3D0;

  --badge-tier-2-bg: #EFF6FF;
  --badge-tier-2-color: #1D4ED8;
  --badge-tier-2-border: #BFDBFE;

  --badge-tier-3-bg: #FFF7ED;
  --badge-tier-3-color: #C2410C;
  --badge-tier-3-border: #FFD8A8;

  /* Typography */
  --font-heading: 'Arial Black', 'Arial Bold', sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-subtle);
  color: #1F2937;
  line-height: 1.6;
  hyphens: none !important;
  -webkit-hyphens: none !important;
  -ms-hyphens: none !important;
}

*, p, h1, h2, h3, h4, h5, h6, span, a, li, div, td, th {
  hyphens: none !important;
  -webkit-hyphens: none !important;
  -ms-hyphens: none !important;
}

/* ==========================================
   UNIFIED PAGE LAYOUT & CONTAINER SYSTEM
   ========================================== */

/* Global Standard Frame Width for all Content Pages */
.app-page-container {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* Global Standard Navbar */
.app-navbar {
  background-color: #ffffff !important;
  border-bottom: 2px solid var(--accent-orange) !important;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.05);
}

/* Global Standard Content Card */
.app-content-card {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 2.5rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

/* Global Standard Thin Orange Accent Card */
.app-accent-card {
  background-color: #ffffff;
  border: 1px solid rgba(255, 80, 0, 0.3) !important;
  border-radius: 0.375rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

/* Global Standard Highlight Callout Box */
.app-highlight-box {
  background-color: #FFFDFB;
  border: 1px solid rgba(255, 80, 0, 0.3) !important;
  border-left: 4px solid var(--accent-orange) !important;
  border-radius: 0.375rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

/* Global Standard Footer */
.app-footer {
  background-color: #ffffff !important;
  border-top: 1px solid var(--border-subtle);
  padding: 1rem 0;
  font-size: 0.875rem;
  color: #6B7280;
  text-align: center;
}

/* Headings Typography */
h1, h2, h3, h4, h5, h6,
.hero-canvas-main-title,
.navbar-brand,
.modal-title,
.card-title,
.fw-black,
.sidebar-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Custom Primary Accent Overrides */
.btn-primary {
  background-color: var(--accent-orange) !important;
  border-color: var(--accent-orange) !important;
  color: #FFFFFF !important;
  font-family: var(--font-body);
  font-weight: 700;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--accent-orange-hover) !important;
  border-color: var(--accent-orange-hover) !important;
}

.btn-outline-primary {
  color: var(--accent-orange) !important;
  border-color: var(--accent-orange) !important;
  font-family: var(--font-body);
  font-weight: 600;
}

.btn-outline-primary:hover {
  background-color: var(--accent-orange) !important;
  color: #FFFFFF !important;
}

.text-primary {
  color: var(--accent-orange) !important;
}

.bg-primary {
  background-color: var(--accent-orange) !important;
}

.bg-primary-subtle {
  background-color: rgba(255, 80, 0, 0.08) !important;
}

.border-primary-subtle {
  border-color: rgba(255, 80, 0, 0.2) !important;
}

/* Brand Logos Navbar Styling */
.logo-img {
  height: 22px;
  width: auto;
  object-fit: contain;
}

.logo-divider {
  height: 14px;
  width: 1px;
  background-color: #E5E7EB;
}

/* Sidebar Category Index Styling */
.sidebar-layer-group {
  margin-bottom: 12px;
}

.sidebar-layer-title {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 800;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  background: #F3F4F6;
  border-radius: 4px;
  margin-bottom: 4px;
}

.category-item {
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
  margin-bottom: 2px;
}

.category-item:hover {
  background: #F3F4F6;
}

.category-item.active {
  background: rgba(255, 80, 0, 0.1);
  border-left: 3px solid var(--accent-orange);
}

.category-header-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.cat-code-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-orange);
  min-width: 24px;
}

.category-title {
  font-weight: 600;
  color: #374151;
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cat-count-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #9CA3AF;
}

/* Fixed Size Grid View Cards for Uniform Alignment */
.grid-view-mode {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  align-content: start;
  align-items: start;
}

.card-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 270px;
  min-height: 270px;
  max-height: 270px;
  box-sizing: border-box;
  align-self: start;
  transition: all 0.2s ease;
}

.card-item:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  height: 22px;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #6B7280;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 900;
  color: #111827;
  margin: 0 0 2px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-subtitle {
  font-size: 11.5px;
  color: #6B7280;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-overview {
  font-size: 11.5px;
  color: #4B5563;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 50px;
  margin-bottom: 8px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  height: 24px;
  overflow: hidden;
  margin-bottom: 8px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 2px 6px;
  background: #F3F4F6;
  color: #4B5563;
  border-radius: 4px;
  border: 1px solid #E5E7EB;
}

.tag-bridge {
  background: #EFF6FF;
  color: #1D4ED8;
  border-color: #BFDBFE;
}

/* Protocol & Standard Semantic Tags */
.tag-usd { background: #FAF5FF; color: #7E22CE; border-color: #E9D5FF; }
.tag-gltf { background: #ECFDF5; color: #047857; border-color: #A7F3D0; }
.tag-step { background: #F0FDF4; color: #15803D; border-color: #BBF7D0; }
.tag-aas { background: #FFFBEB; color: #B45309; border-color: #FDE68A; }
.tag-opcua { background: #EFF6FF; color: #1D4ED8; border-color: #BFDBFE; }
.tag-edc { background: #FEF3C7; color: #92400E; border-color: #FCD34D; }
.tag-ros { background: #F5F3FF; color: #6D28D9; border-color: #DDD6FE; }

/* Keyboard Shortcut Badge */
.search-kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 5px;
  border-radius: 4px;
  background: #F3F4F6;
  color: #6B7280;
  border: 1px solid #D1D5DB;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

/* Quick Layer Chips Bar */
.layer-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.layer-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
}

.layer-chip:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: #FFFDFB;
}

.layer-chip.active {
  background: var(--accent-orange);
  color: #FFFFFF;
  border-color: var(--accent-orange);
}

.layer-chip .chip-kbd {
  font-size: 9px;
  opacity: 0.7;
  padding: 1px 3px;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.08);
}

.layer-chip.active .chip-kbd {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
  background: transparent;
  margin-top: auto;
}

.card-vendor {
  font-size: 11px;
  color: #6B7280;
  font-weight: 500;
}

/* Flow Column Utilities for Use Cases Page */
.flow-columns-wrapper {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 12px;
  overflow-x: auto;
}

.flow-column-header {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 8px;
  border-radius: 4px;
  text-align: center;
  margin-bottom: 8px;
}

.col-s1 { color: #1E3A8A; background: #EFF6FF; border: 1px solid #BFDBFE; }
.col-s2 { color: #14532D; background: #F0FDF4; border: 1px solid #BBF7D0; }
.col-s3 { color: #7C2D12; background: #FFF7ED; border: 1px solid #FFD8A8; }
.col-s4 { color: #4C1D95; background: #F5F3FF; border: 1px solid #DDD6FE; }
.col-s5 { color: #7F1D1D; background: #FEF2F2; border: 1px solid #FECACA; }

.flow-node-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.flow-node-card[onclick]:hover {
  border-color: var(--accent-orange);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 80, 0, 0.12);
  cursor: pointer;
}

.node-code {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #6B7280;
}

.node-name {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  color: #111827;
}

.node-role {
  font-size: 11px;
  color: #4B5563;
  line-height: 1.3;
}

/* Global Standardized Card Geometry & Badge Styling */
.card {
  border-radius: 0.5rem !important; /* 8px unified border radius */
  border: 1px solid var(--border-subtle);
}

.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

/* Tier & Layer Badges - Consuming CSS Variables */
.tier-badge, .badge-tier {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
}

.tier-1, .badge-tier-1 {
  background-color: var(--badge-tier-1-bg);
  color: var(--badge-tier-1-color);
  border: 1px solid var(--badge-tier-1-border);
}

.tier-2, .badge-tier-2 {
  background-color: var(--badge-tier-2-bg);
  color: var(--badge-tier-2-color);
  border: 1px solid var(--badge-tier-2-border);
}

.tier-3, .badge-tier-3 {
  background-color: var(--badge-tier-3-bg);
  color: var(--badge-tier-3-color);
  border: 1px solid var(--badge-tier-3-border);
}

/* 5-Layer Badge Classes */
.badge-layer-1 { background-color: rgba(59, 130, 246, 0.1); color: var(--color-layer-1); border: 1px solid var(--color-layer-1); }
.badge-layer-2 { background-color: rgba(16, 185, 129, 0.1); color: var(--color-layer-2); border: 1px solid var(--color-layer-2); }
.badge-layer-3 { background-color: rgba(245, 158, 11, 0.1); color: var(--color-layer-3); border: 1px solid var(--color-layer-3); }
.badge-layer-4 { background-color: rgba(139, 92, 246, 0.1); color: var(--color-layer-4); border: 1px solid var(--color-layer-4); }
.badge-layer-5 { background-color: rgba(239, 68, 68, 0.1); color: var(--color-layer-5); border: 1px solid var(--color-layer-5); }

/* Fix Hamburger Dropdown Alignment: Open inside the viewport canvas */
.dropdown {
  position: relative !important;
}

.dropdown-menu,
.dropdown-menu-end {
  right: 0 !important;
  left: auto !important;
  min-width: 250px !important;
  margin-top: 6px !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 8px !important;
  z-index: 1050 !important;
}

/* Glassmorphism Backdrop Blur & Full Canvas Modal Styling */
.modal-backdrop {
  opacity: 1 !important;
  background-color: rgba(17, 24, 39, 0.55) !important;
  backdrop-filter: blur(16px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
}

.modal-backdrop.show {
  opacity: 1 !important;
  background-color: rgba(17, 24, 39, 0.55) !important;
  backdrop-filter: blur(16px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
}

#profileModal .modal-dialog,
#compareModal .modal-dialog {
  max-width: 94vw !important;
  margin: 1.5rem auto !important;
}

#profileModal .modal-content,
#compareModal .modal-content {
  border-radius: 16px !important;
  border: 1px solid rgba(229, 231, 235, 0.9) !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35) !important;
  min-height: 85vh;
}

#profileModal .modal-header,
#compareModal .modal-header {
  padding: 1.25rem 2rem !important;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

#profileModal .modal-body,
#compareModal .modal-body {
  padding: 2rem !important;
  background-color: #FAFAFA;
}

/* 5-Column Grid Layout Utility */
@media (min-width: 992px) {
  .col-lg-2-4 {
    flex: 0 0 auto;
    width: 20%;
  }
}

/* ==========================================
   MODULAR USE CASE COMPONENTS & GRAPH SYSTEM
   ========================================== */

/* Use Case KPI Card */
.usecase-kpi-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--accent-orange) !important;
  border-radius: 0.375rem;
  padding: 1rem;
  text-align: center;
  height: 100%;
}

.usecase-kpi-val {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.5rem;
  color: #1F2937;
  margin-bottom: 0.25rem;
}

.usecase-kpi-lbl {
  font-weight: 700;
  font-size: 0.6875rem;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================
   HORIZONTAL 5-LAYER ARCHITECTURE CAROUSEL
   ========================================== */

.usecase-carousel-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.usecase-carousel-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.usecase-layer-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  color: #4B5563;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.usecase-layer-pill:hover {
  background: #F3F4F6;
  color: #111827;
  border-color: #D1D5DB;
}

.usecase-layer-pill.active {
  color: #FFFFFF;
  font-weight: 800;
  border-color: transparent;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.usecase-layer-pill[data-layer="1"].active { background-color: var(--color-layer-1); }
.usecase-layer-pill[data-layer="2"].active { background-color: var(--color-layer-2); }
.usecase-layer-pill[data-layer="3"].active { background-color: var(--color-layer-3); }
.usecase-layer-pill[data-layer="4"].active { background-color: var(--color-layer-4); }
.usecase-layer-pill[data-layer="5"].active { background-color: var(--color-layer-5); }

.btn-carousel-control {
  font-size: 11.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-carousel-control.is-playing {
  background-color: #FFF5F0;
  border-color: rgba(255, 80, 0, 0.3);
  color: var(--accent-orange);
}

.usecase-horizontal-flow {
  display: flex;
  align-items: stretch;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 16px 8px 24px 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.graph-col-stage {
  flex: 0 0 350px;
  min-width: 350px;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease, opacity 0.35s ease;
  scroll-margin: 0 20px;
}

.graph-col-stage:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  border-color: rgba(255, 80, 0, 0.4);
}

.graph-col-stage.is-active-layer {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1), 0 0 0 2px rgba(255, 80, 0, 0.35);
  border-color: rgba(255, 80, 0, 0.6);
  z-index: 2;
}

.usecase-horizontal-flow.has-active-focus .graph-col-stage:not(.is-active-layer) {
  opacity: 0.88;
}

.usecase-horizontal-flow.has-active-focus .graph-col-stage:not(.is-active-layer):hover {
  opacity: 1;
}

.graph-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.graph-col-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  color: #FFFFFF;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.graph-col-title {
  font-family: var(--font-heading);
  font-size: 12.5px;
  font-weight: 800;
  color: #1F2937;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.graph-col-role {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px;
  font-size: 12.5px;
  color: #1F2937;
  line-height: 1.45;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.graph-col-role-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.graph-col-component {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.graph-col-component .card-item {
  width: 100%;
  height: 100%;
  box-shadow: none;
  border: 1px solid #E5E7EB;
  min-height: 280px;
  padding: 14px 16px;
}

.graph-col-component .card-item:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.graph-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-orange);
  font-size: 18px;
  flex-shrink: 0;
  padding: 0 4px;
  opacity: 0.85;
}

@media (max-width: 992px) {
  .usecase-horizontal-flow {
    padding-bottom: 16px;
  }
}

/* ==========================================
   USE CASE / BAUKASTEN BROWSER LAYOUT RULES
   ========================================== */

.usecase-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  transition: all 0.2s ease;
  height: 100%;
}

.usecase-card-item:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.usecase-mini-sequence {
  display: flex;
  gap: 4px;
  margin: 10px 0;
  overflow-x: auto;
}

.usecase-mini-chip {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
  color: #374151;
}

/* Hover transition helper */
.hover-shadow {
  transition: box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.hover-shadow:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08) !important;
}

/* ==========================================
   MOBILE-FIRST RESPONSIVE OPTIMIZATION RULES
   ========================================== */

@media (max-width: 768px) {
  .app-page-container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .logo-img {
    max-height: 28px !important;
  }

  .logo-divider {
    height: 18px !important;
    margin: 0 0.25rem !important;
  }

  .navbar-brand {
    gap: 0.25rem !important;
  }

  #profileModal .modal-dialog,
  #compareModal .modal-dialog {
    max-width: 98vw !important;
    margin: 0.5rem auto !important;
  }

  #profileModal .modal-body,
  #compareModal .modal-body {
    padding: 1rem !important;
  }

  #profileModal .modal-header,
  #compareModal .modal-header {
    padding: 1rem !important;
  }

/* ==========================================
   KEYBOARD SHORTCUTS HUD & ENTERPRISE EXPORT
   ========================================== */

.kbd-keycap {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 5px;
  background-color: #FFFFFF;
  color: var(--color-text-primary);
  border: 1px solid #D1D5DB;
  border-bottom: 2px solid #9CA3AF;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  display: inline-block;
  min-width: 24px;
  text-align: center;
}

.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 4px;
  transition: background-color 0.15s ease;
}

.shortcut-row:last-child {
  border-bottom: none;
}

.shortcut-row:hover {
  background-color: #F8FAFC;
}

.btn-export {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-export.copied {
  background-color: #10B981 !important;
  border-color: #10B981 !important;
  color: #FFFFFF !important;
}