/* ==========================================================================
   UIverse Premium Tabs Component Engine Sheet
   Design Framework: Frosted Matrix Neo-SaaS Layout Specifications
   ========================================================================== */

/* --- SYSTEM GLOBAL VAR MATRIX --- */
:root {
  --bg-color: #05070f;
  --sidebar-bg: #090c16;
  --card-bg: #0f1424;
  --card-border: rgba(255, 255, 255, 0.06);
  --card-border-hover: rgba(255, 255, 255, 0.15);
  
  /* Text Luminosity Scales */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #475569;
  
  /* High-End Accent Gradients */
  --accent-orange: #ff6b4a;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-cyan: #06b6d4;
  --accent-red: #ef4444;
  
  /* Interface Action Backgrounds */
  --btn-bg: #1a2035;
  --btn-hover: #242c49;
  --preview-well-bg: #060912;
  
  /* Structural Tokens */
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-fluid: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-deep: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

/* --- LIGHT MODE CONTEXT MATRIX --- */
body.light-theme {
  --bg-color: #f8fafc;
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --card-border: rgba(15, 23, 42, 0.08);
  --card-border-hover: rgba(15, 23, 42, 0.16);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dark: #94a3b8;
  --btn-bg: #f1f5f9;
  --btn-hover: #e2e8f0;
  --preview-well-bg: #f8fafc;
  --shadow-deep: 0 20px 40px -20px rgba(15, 23, 42, 0.1);
}

/* --- RESET & SYSTEM COMPILATION RULES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Outfit', 'Inter', system-ui, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
  transition: var(--transition-fluid);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-blue);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 20px; }

/* --- ARCHITECTURAL RUNTIME SIDEBAR --- */
.sidebar {
  width: 280px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 500;
  transition: var(--transition-fluid);
}

.sidebar-logo {
  padding: 28px;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.logo-icon {
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  position: relative;
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: var(--sidebar-bg);
  border-radius: 3px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.engine-badge {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--accent-purple);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.sidebar-nav {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  overflow-y: auto;
  flex-grow: 1;
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-group-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dark);
  margin-bottom: 10px;
  padding-left: 12px;
  font-weight: 700;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-fluid);
}

.nav-link i {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
  transform: translateX(2px);
}

.nav-link.active {
  background-color: rgba(59, 130, 246, 0.06);
  border-left: 3px solid var(--accent-blue);
  color: var(--accent-blue);
  padding-left: 11px;
}

.sidebar-status-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.node-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: staticGlow 2s infinite ease-in-out;
}

@keyframes staticGlow {
  0%, 100% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

.status-text {
  font-size: 11px;
  color: var(--text-dark);
  font-weight: 500;
}

/* --- TOP CONTROLS INTEGRATION BAR --- */
.app-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--navbar-h, 80px);
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 40px;
}

.breadcrumb-container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}

.bc-item { color: var(--text-dark); }
.bc-item.target { color: var(--text-main); font-weight: 600; }
.bc-divider { font-size: 10px; color: var(--text-dark); }

.top-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-glyph {
  position: absolute;
  left: 14px;
  font-size: 14px;
  color: var(--text-dark);
}

.search-input-wrapper input {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 99px;
  padding: 10px 16px 10px 38px;
  width: 260px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  transition: var(--transition-fluid);
}
.search-input-wrapper input:focus {
  width: 320px;
  border-color: var(--accent-blue);
  background: rgba(255,255,255,0.04);
}

.action-trigger-btn {
  background: var(--btn-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fluid);
}
.action-trigger-btn:hover { background: var(--btn-hover); }

/* --- APPLICATION VIEWPORT CANVAS --- */
.main-content {
  margin-left: 280px;
  flex: 1;
  padding: 0 40px 60px 40px;
  width: calc(100% - 280px);
  transition: var(--transition-fluid);
}

/* --- INTRODUCTORY JUMBOTRON HERO --- */
.hero {
  text-align: center;
  margin-bottom: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 24px;
  box-shadow: var(--shadow-deep);
}

.text-gradient-purple {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text-main);
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.7;
}

/* --- THE RUNTIME DISPLAY STRUCTURE GRID --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 60px;
}

@media (max-width: 768px) {
  .cards-grid { grid-template-columns: 1fr; }
}

.component-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-deep);
  transition: var(--transition-fluid);
  position: relative;
}

.component-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-dark);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
}

.card-icon.blue   { background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan)); }
.card-icon.purple { background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink)); }
.card-icon.pink   { background: linear-gradient(135deg, var(--accent-pink), var(--accent-orange)); }
.card-icon.orange { background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow)); }
.card-icon.green  { background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan)); }
.card-icon.cyan   { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); }
.card-icon.red    { background: linear-gradient(135deg, var(--accent-red), var(--accent-pink)); }
.card-icon.yellow { background: linear-gradient(135deg, var(--accent-yellow), var(--accent-orange)); }

.card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
  flex-grow: 1;
}

/* THE PREVIEW WELL WRAPPER CONTAINER */
.preview-box {
  background-color: var(--preview-well-bg);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.01);
  min-height: 220px;
  position: relative;
  overflow: hidden;
}

.card-actions {
  display: flex;
  gap: 14px;
}

.btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-fluid);
  font-family: inherit;
}

.btn-secondary {
  background-color: var(--btn-bg);
  color: var(--text-main);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover { background-color: var(--btn-hover); border-color: var(--card-border-hover); }

.btn-primary {
  background-color: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}
.btn-primary:hover { background-color: rgba(59, 130, 246, 0.14); border-color: var(--accent-blue); }

/* ==========================================================================
   TABS VISUAL ENGINEERING MODULES (11 DESIGNS)
   ========================================================================== */

/* --- MODEL 1: LINEAR UNDERLINE ARCHITECTURE --- */
.tab-horizontal {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: 32px;
  width: 100%;
}

.tab-h-item {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 16px 4px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab-h-item i { font-size: 15px; }
.tab-h-item:hover { color: var(--text-main); }
.tab-h-item.active { color: var(--accent-blue); }

.tab-h-item.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-blue);
  border-radius: 2px 2px 0 0;
  animation: glideUnderline 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes glideUnderline {
  from { transform: scaleX(0); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}

/* --- MODEL 2: PILL MATRIX RIG --- */
.tab-pills {
  display: flex;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  gap: 6px;
}

.tab-pill-item {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fluid);
  font-family: inherit;
}
.tab-pill-item:hover { color: var(--text-main); }
.tab-pill-item.active {
  background-color: var(--btn-bg);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* --- MODEL 3: STRATIFIED VERTICAL GRID MATRIX --- */
.tab-vertical-container {
  display: flex;
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.15);
  overflow: hidden;
}

.tab-vertical {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--card-border);
  min-width: 160px;
  background: rgba(0,0,0,0.1);
}

.tab-v-item {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fluid);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 10px;
}
.tab-v-item i { font-size: 14px; }
.tab-v-item:hover { background-color: rgba(255,255,255,0.01); color: var(--text-main); }
.tab-v-item.active {
  color: var(--accent-purple);
  background-color: rgba(139, 92, 246, 0.04);
}
.tab-v-item.active::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: -1px;
  width: 2px;
  background-color: var(--accent-purple);
}

.tab-v-content {
  flex: 1;
  padding: 24px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
  background: transparent;
}

.content-panel-js {
  animation: revealContent 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.active-content-hidden {
  display: none !important;
}

@keyframes revealContent {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- MODEL 4: TRANSLATING SEGMENTED MODULES --- */
.tab-segmented {
  display: flex;
  background-color: #0b0e17;
  border-radius: 99px;
  padding: 4px;
  position: relative;
  width: 100%;
  max-width: 360px;
  border: 1px solid var(--card-border);
}

.tab-seg-item {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  padding: 12px 0;
  cursor: pointer;
  position: relative;
  z-index: 5;
  transition: color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: inherit;
}
.tab-seg-item.active { color: #ffffff; }

.tab-seg-indicator {
  position: absolute;
  top: 4px; bottom: 4px; left: 4px;
  width: calc(33.333% - 5.3px);
  background: linear-gradient(135deg, var(--accent-orange), #f97316);
  border-radius: 99px;
  z-index: 2;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(255, 107, 74, 0.3);
}

/* --- MODEL 5: ISOLATED BRACKET GLYPHS --- */
.tab-icon {
  display: flex;
  gap: 24px;
}

.tab-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  color: var(--text-dark);
  cursor: pointer;
  transition: var(--transition-fluid);
  font-family: inherit;
  padding: 6px;
}

.tab-icon-item svg {
  width: 22px; height: 22px;
  padding: 14px;
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  transition: var(--transition-fluid);
  box-shadow: var(--shadow-deep);
}

.tab-icon-item span {
  font-size: 11px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(-4px);
  transition: var(--transition-fluid);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tab-icon-item:hover svg {
  border-color: var(--card-border-hover);
  color: var(--text-main);
  transform: translateY(-2px);
}

.tab-icon-item.active svg {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(236, 72, 153, 0.35);
}
.tab-icon-item.active span {
  opacity: 1;
  transform: translateY(0);
  color: var(--accent-pink);
}

/* --- MODEL 6: TRANSLUCENT GLASS OVERLAYS --- */
.glass-environment-bg {
  background: linear-gradient(135deg, #060913 0%, #1a1528 100%) !important;
}

.tab-glassmorphic {
  display: flex;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 8px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tab-glass-item {
  background: transparent;
  border: 1px solid transparent;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fluid);
}
.tab-glass-item:hover { color: #fff; background: rgba(255,255,255,0.03); }
.tab-glass-item.active {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255,255,255,0.05);
}

/* --- MODEL 7: PIPELINE PROCESS CHANNELS --- */
.tab-stepped-process {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 520px;
  position: relative;
}
.tab-stepped-process::before {
  content: '';
  position: absolute;
  left: 24px; right: 24px; top: 18px;
  height: 2px;
  background: rgba(255,255,255,0.04);
  z-index: 1;
}

.step-tab-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 5;
  cursor: pointer;
}

.step-numeric-node {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #0d111d;
  border: 2px solid var(--card-border);
  color: var(--text-dark);
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  transition: var(--transition-fluid);
}

.step-label-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-fluid);
}

.step-tab-wrapper:hover .step-numeric-node {
  border-color: var(--text-muted);
  color: var(--text-main);
}

.step-tab-wrapper.active .step-numeric-node {
  background: #fff;
  border-color: #fff;
  color: #000;
  box-shadow: 0 0 15px rgba(255,255,255,0.3);
}
.step-tab-wrapper.active .step-label-text {
  color: #fff;
}

/* --- MODEL 8: SHADOW CAVITY CONTROLS --- */
.tab-neumorphic-bracket {
  display: flex;
  gap: 14px;
  background: #0a0d16;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.4);
}

.neu-bracket-btn {
  background: #0f1322;
  border: 1px solid rgba(255,255,255,0.02);
  color: var(--text-muted);
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 3px 3px 8px rgba(0,0,0,0.3), -2px -2px 6px rgba(255,255,255,0.01);
  transition: var(--transition-fluid);
}
.neu-bracket-btn i { font-size: 14px; }
.neu-bracket-btn.active {
  background: #080a11;
  box-shadow: inset 2px 2px 5px rgba(0,0,0,0.5), inset -2px -2px 5px rgba(255,255,255,0.02);
  color: #fff;
  border-color: rgba(0,0,0,0.2);
}

/* --- MODEL 9: CHROMA GRADIENT RINGS --- */
.tab-chroma-boundary {
  display: flex;
  gap: 10px;
}

.chroma-tab-node {
  background: #0e1222;
  border: 1px solid var(--card-border);
  padding: 12px 22px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  border-radius: 99px;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fluid);
}

.chroma-tab-node::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 99px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-fluid);
}

.chroma-tab-node.active {
  color: #fff;
  background: #13182e;
}
.chroma-tab-node.active::after { opacity: 1; }

/* --- MODEL 10: REAL-TIME EVENT STADIA --- */
.tab-badged-stadia {
  display: flex;
  gap: 12px;
  background: rgba(0,0,0,0.2);
  padding: 6px;
  border-radius: 99px;
  border: 1px solid var(--card-border);
}

.stadia-tab-item {
  background: transparent;
  border: none;
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition-fluid);
}
.stadia-tab-item.active {
  background: var(--btn-bg);
  color: #fff;
  box-shadow: var(--shadow-deep);
}

.stadia-counter-pill {
  font-size: 10px;
  font-weight: 800;
  background: rgba(255,255,255,0.06);
  padding: 2px 8px;
  border-radius: 20px;
  color: var(--text-muted);
}
.stadia-tab-item.active .stadia-counter-pill { background: rgba(255,255,255,0.1); color: #fff; }

.stadia-counter-pill.pulse-blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
.stadia-counter-pill.pulse-red  { background: rgba(239,68,68,0.15); color: #f87171; }

/* --- MODEL 11: QUANTUM CORE FILE NODE TABS --- */
.quantum-console-wrapper {
  width: 100%;
  background: #070911;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding-top: 10px;
}

.quantum-console-tabs {
  display: flex;
  padding: 0 10px;
  gap: 4px;
}

.console-tab-node {
  background: #0d101b;
  border: 1px solid var(--card-border);
  border-bottom: none;
  padding: 10px 14px;
  border-radius: 6px 6px 0 0;
  color: var(--text-dark);
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  transition: var(--transition-fluid);
}
.console-tab-node i { font-size: 13px; }
.console-tab-node:hover { color: var(--text-muted); background: #111524; }

.console-tab-node.active {
  background: #14192b;
  color: #fff;
  border-color: var(--card-border-hover);
  border-bottom: 1px solid #14192b;
  z-index: 5;
}

.close-node {
  font-size: 10px !important;
  opacity: 0.3;
  transition: opacity 0.2s;
}
.close-node:hover { opacity: 1; color: var(--accent-red); }

/* ==========================================================================
   GLOBAL ENTERPRISE PLATFORM FOOTER SECTION
   ========================================================================== */
.site-footer {
  margin-top: auto;
  padding: 80px 40px 30px 40px;
  background-color: #03050a;
  border-top: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.3fr 2fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
  max-width: 1600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1200px) {
  .footer-container { grid-template-columns: 1fr; gap: 40px; }
}

.footer-col { display: flex; flex-direction: column; }
.footer-col h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-main);
  margin-bottom: 24px;
  font-weight: 800;
}

.brand-col { max-width: 360px; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 18px;
  font-family: 'Outfit', sans-serif;
}

.logo-icon.small { width: 22px; height: 22px; }

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 12px; }
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  transition: var(--transition-fluid);
}
.social-links a:hover {
  background-color: var(--accent-blue);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 600px) { .footer-links { grid-template-columns: 1fr; } }

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-fluid);
}
.footer-links a:hover { color: var(--accent-blue); padding-left: 4px; }

.subscribe-col { max-width: 360px; }
.subscribe-col p { font-size: 14px; color: var(--text-muted); margin-bottom: 18px; line-height: 1.5; }

.subscribe-form {
  display: flex;
  gap: 10px;
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.subscribe-form input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  font-family: inherit;
}
.subscribe-form input::placeholder { color: var(--text-dark); }

.btn-subscribe {
  background: linear-gradient(135deg, var(--accent-orange), #f97316);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fluid);
  box-shadow: 0 4px 12px rgba(255, 107, 74, 0.2);
}
.btn-subscribe:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(255, 107, 74, 0.35); }

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--card-border);
  font-size: 13px;
  color: var(--text-dark);
  width: 100%;
}
.footer-bottom .heart { color: var(--accent-pink); margin: 0 4px; }

/* ==========================================================================
   VIEWPORT SCALING SYSTEMS OVERRIDES
   ========================================================================== */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; padding: 0 24px 60px 24px; width: 100%; }
  .footer { padding-left: 24px; padding-right: 24px; }
}
/* =========================================================
   TC-12 // 3D FLIP TABS
========================================================= */
.tab-3d-flip {
  display: flex;
  gap: 16px;
  perspective: 1000px;
}
.tab-3d-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  transform-style: preserve-3d;
}
.tab-3d-item:hover {
  transform: translateY(-4px) rotateX(10deg);
  background: rgba(255, 255, 255, 0.1);
}
.tab-3d-item.active {
  background: linear-gradient(135deg, #f43f5e, #7b61ff);
  color: #fff;
  border-color: #f43f5e;
  transform: translateZ(20px);
  box-shadow: 0 10px 20px rgba(244, 63, 94, 0.3);
}

/* =========================================================
   TC-13 // RIPPLE TABS
========================================================= */
.tab-ripple-container {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px;
  border-radius: 99px;
  overflow: hidden;
}
.tab-ripple-item {
  position: relative;
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: 99px;
  cursor: pointer;
  overflow: hidden;
  transition: color 0.3s;
}
.tab-ripple-item::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(235, 104, 53, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease-out, height 0.5s ease-out, opacity 0.5s;
  opacity: 0;
}
.tab-ripple-item.active {
  color: #eb6835;
}
.tab-ripple-item.active::after {
  width: 150px;
  height: 150px;
  opacity: 1;
}

/* =========================================================
   TC-14 // DIAL SELECTOR
========================================================= */
.dial-selector-container {
  position: relative;
  width: 200px;
  height: 200px;
  border: 2px dashed rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dial-node {
  position: absolute;
  width: 32px;
  height: 32px;
  background: #1e1e2d;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}
.dial-node:nth-child(1) { top: -16px; left: calc(50% - 16px); }
.dial-node:nth-child(2) { right: -16px; top: calc(50% - 16px); }
.dial-node:nth-child(3) { bottom: -16px; left: calc(50% - 16px); }
.dial-node:nth-child(4) { left: -16px; top: calc(50% - 16px); }
.dial-node.active {
  background: linear-gradient(135deg, #f43f5e, #7b61ff);
  border-color: #f43f5e;
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(123, 97, 255, 0.5);
}

/* =========================================================
   TC-15 // ANALYTICS DASHBOARD TABS
========================================================= */
.tab-analytics {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tab-analytics-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: transparent;
  border: 1px solid transparent;
  border-left: 2px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  cursor: pointer;
  text-align: left;
  transition: 0.3s;
}
.tab-analytics-item i {
  margin-top: 4px;
}
.tab-analytics-item h4 {
  font-family: var(--font-heading);
  color: #fff;
  font-size: 16px;
  margin-bottom: 6px;
  transition: 0.3s;
}
.tab-analytics-item p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
}
.tab-analytics-item.active {
  border-left-color: #eb6835;
  background: rgba(235, 104, 53, 0.05);
}
.tab-analytics-item.active h4 {
  color: #eb6835;
}

/* =========================================================
   TC-16 // MAGNETIC LIQUID TABS
========================================================= */
.tab-liquid-container {
  display: flex;
  gap: 20px;
  position: relative;
}
.tab-liquid-item {
  background: none;
  border: none;
  color: #94a3b8;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 0;
  cursor: pointer;
  transition: color 0.3s;
  position: relative;
  z-index: 2;
}
.tab-liquid-item.active {
  color: #10b981;
}
.tab-liquid-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  width: 40px;
  background: #10b981;
  border-radius: 4px;
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), width 0.3s;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}