.layout-container {
  --blue: #2563eb;
  --button-hover-bg: #eff6ff;
  --border-color: #e2e8f0;
  --ease-fast: 0.15s ease-out;
  --ease-normal: 0.25s ease-out;
  --muted-text-color: #64748b;
  --bg-success: #f0fdf4;
  --border-success: #bbf7d0;
  --success-border: #bbf7d0;
  --success-bg: #f0fdf4;
  --text-success: #166534;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --card-bg: #ffffff;
  --body-bg: #f8fafc;
  --input-bg: #f8fafc;
  --text-danger: #b91c1c;
  --red: #ef4444;
  --accent-color: #0284c7;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --blue-transparent-focus: rgba(37, 99, 235, 0.1);
  --green: #16a34a;
  --card-accent-1: #3b82f6;
  --bg-surface-2: #f1f5f9;
  --primary-hover-color-color: #1d4ed8;
}

.layout-container {
    --card-accent-1: #3b82f6;
    --card-accent-2: #10b981;
    --card-accent-3: #f59e0b;
    --card-accent-4: #ef4444;
    --card-accent-5: #8b5cf6;
    --card-accent-6: #ec4899;
    
    --gk-hero-bg: #0d91ff;
    --gk-hero-dark-bg: #1e293b;
    --gk-hero-dark-bg-end: #0f172a;
    --gk-hero-light-bg: #eff6ff;
    --gk-hero-light-bg-end: #dbeafe;
    
    --success-bg: #e6f4ea;
    --success-border: #ceead6;

    --red: #b30000;
    --blue: #2f2eff;
    --purple: #4700b3;
    --green: #076600;
    --text-primary: #000;
    --text-secondary: #4f4f4f;
    --link-color: #2f2eff;
    --body-bg: #fff;
    --header-bg: #fff;
    --card-bg: #fff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0,0,0,0.08);
    --overlay-bg: rgba(0,0,0,0.4);
    --header-height: 60px;
    --accent-color: #005f61;
    --accent-color-transparent: rgba(0,95,97,0.08);
    --blue-transparent-focus: rgba(47,46,255,0.2);
    --white: #fff;
    --card-shadow: 0 2px 8px var(--shadow-color);
    --footer-bg: #f8f9fa;
    --footer-text: #4f4f4f;
    --footer-border: #e0e0e0;
    --category-badge-bg: #005f61;
    --border-radius: 25px;
    --btn: #b30000;
    --spinner-border: rgba(0,0,0,0.1);
    --primary-hover-color-color: #0000e6;
    --danger-color: #e53935;
    --danger-bg: #f8d7da;
    --muted-text-color: #495057;
    --widget-background-color: #fff;
    --shadow: 0 2px 4px rgba(0,0,0,0.05);
    --input-bg: #f8f9fa;
    --button-hover-bg: #f1f3f5;
    --comment-body-text: #212529;
    --tbl-border: #e5e7eb;
    --tbl-head-bg: #f3f4f6;
    --tbl-hover: #f9fafb;
    --skeleton-bg: #e0e0e0;
    
    /* Nav & Glass Shadows from style.css */
    --nav-bg: rgba(255, 255, 255, 0.85);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.1);
    
    /* Discover / Shield specific mappings */
    --bg-surface: var(--card-bg);
    --bg-surface-alt: #f8f9fa;
    --text-heading: var(--text-primary);
    --text-main: var(--text-secondary);
    --text-muted: var(--muted-text-color);
    --clr-accent: var(--accent-color);
    --radius-btn: 8px;
    --radius-card: 25px;

    /* Tools specific mappings - Fully Dynamic for Light/Dark Mode */
    --nav-height: var(--header-height, 70px);
    --clr-bg: var(--body-bg);
    --clr-bg-2: var(--card-bg);
    --clr-surface: var(--card-bg);
    --clr-surface-2: var(--bg-surface-alt);
    --clr-border: var(--border-color);
    --clr-border-2: var(--border-color);
    --clr-heading: var(--text-primary);
    --clr-text: var(--text-secondary);
    --clr-text-2: var(--muted-text-color);
    --clr-text-3: var(--muted-text-color);
    --clr-accent-2: var(--accent-color);
    --clr-accent-glow: var(--accent-color-transparent);
    --clr-stock: var(--success-bg);
    --clr-shield: var(--danger-color);
    
    --font-body: 'Inter', sans-serif;
    --font-display: 'Inter', sans-serif;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semi: 600;
    --fw-bold: 700;
    --fw-black: 800;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --ease-fast: 150ms ease;
    --ease-normal: 250ms ease;
    --ease-spring: cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --container-pad: 1.5rem;
    --lh-loose: 1.6;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }


body.dark-mode, html[data-theme="dark"] {
    --red: #ffd6d6;
    --blue: #9f94ff;
    --purple: #ff99db;
    --green: #116600;
    --text-primary: #fff;
    --text-secondary: #dbfff3;
    --link-color: #ffd6d6;
    --body-bg: #0e0e20;
    --header-bg: #242a57;
    --card-bg: #242a57;
    --border-color: #434b9e;
    --shadow-color: rgba(0,0,0,0.3);
    --overlay-bg: rgba(0,0,0,0.6);
    --accent-color: #e500ff;
    --accent-color-transparent: rgba(255,153,219,0.1);
    --blue-transparent-focus: rgba(159,148,255,0.25);
    --white: #ffffff;
    --card-shadow: 0 4px 12px var(--shadow-color);
    --footer-bg: #000;
    --footer-text: #dbfff3;
    --footer-border: #434b9e;
    --category-badge-bg: #000;
    --btn: #f5ffdb;
    --spinner-border: rgba(255,255,255,0.2);
    --blue: #9f94ff;
    --primary-hover-color-color: #bfb8ff;
    --danger-color: #ef9a9a;
    --danger-bg: #4a1919;
    --muted-text-color: #ced4da;
    --widget-background-color: #242a57;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --input-bg: #0e0e20;
    --button-hover-bg: #434b9e;
    --comment-body-text: #e9ecef;
    --skeleton-bg: #434b9e;
    
    /* Nav & Glass Shadows from style.css */
    --nav-bg: rgba(30, 41, 59, 0.85);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.5);

    /* Discover / Shield specific mappings */
    --bg-surface: var(--card-bg);
    --bg-surface-alt: #1a1e40;
    --text-heading: var(--text-primary);
    --text-main: var(--text-secondary);
    --text-muted: var(--muted-text-color);
    --clr-accent: var(--accent-color);
}


.main-content {
  flex: 1;
  min-width: 0;
  width: 100%;
  padding: 0;
  margin-top: 1rem;
}

@media (max-width: 1023px) {
  .main-content {
    
    width: 100%;
    flex: 0 0 100%;
  }
}

 

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: var(--button-hover-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  transition: all var(--ease-fast);
}

.breadcrumb a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.breadcrumb .sep {
  color: var(--muted-text-color);
  font-weight: 700;
}

.breadcrumb .current {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: var(--bg-success);
  border: 1px solid var(--border-success);
  border-radius: 25px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-success);
}

.quiz-page-header {
  margin-bottom: 24px;
}

.quiz-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--button-hover-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 12px;
}

.quiz-page-header h1 {
  font-size: 32px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 10px;
}

@media (max-width: 768px) {
  .quiz-page-header h1 {
    font-size: 24px;
  }
}

.quiz-description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.quiz-actions {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

@media (max-width: 768px) {
  .quiz-actions {
    margin: 16px 0;
  }
}

.reset-quiz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  color: var(--text-danger);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--ease-fast);
}

.reset-quiz-btn:hover {
  background: var(--accent-color);
  border-color: var(--border-color);
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .reset-quiz-btn {
    width: 100%;
    max-width: 280px;
  }
}

.quiz-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

@media (max-width: 768px) {
  .quiz-meta {
    justify-content: center;
  }
}

.meta-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--body-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--ease-fast);
}

.meta-item:hover {
  background: var(--card-bg);
  border-color: var(--border-color);
}

.quiz-meta a.meta-item {
  margin-left: auto;
  background: var(--button-hover-bg);
  border-color: var(--border-color);
  color: var(--blue);
  font-weight: 700;
}

.quiz-meta a.meta-item:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

@media (max-width: 768px) {
  .quiz-meta a.meta-item {
    width: 100%;
    margin-left: 0;
  }
}

.questions-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.question-card {
  
  border: 1px solid var(--border-color);
  border-radius: 25px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.question-card .question-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.question-card .question-header .q-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.question-card .question-header .q-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  flex: 1;
  padding-top: 6px;
}

.question-card .options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 639px) {
  .question-card .options-grid {
    grid-template-columns: 1fr;
  }
}

.question-card .option-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 2px solid var(--border-color);
  border-radius: 25px;
  background: var(--card-bg);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.question-card .option-btn .opt-label {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted-text-color);
}

.question-card .option-btn .opt-text {
  flex: 1;
  line-height: 1.4;
}

.question-card .option-btn:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-transparent-focus);
  color: var(--text-primary);
}

.question-card .option-btn:hover:not(:disabled) .opt-label {
  background: var(--blue);
  color: #fff;
}

.question-card .option-btn.correct {
  border-color: var(--success-border);
  background: var(--success-bg);
  color: var(--green);
  cursor: default;
}

.question-card .option-btn.correct .opt-label {
  background: var(--success-border);
  color: var(--green);
}

.question-card .option-btn.correct::after {
  content: '\2713';
  position: absolute;
  right: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
}

.question-card .option-btn.wrong {
  border-color: var(--red);
  background: #ffe6e6;
  color: var(--red);
  cursor: default;
}

.question-card .option-btn.wrong .opt-label {
  background: var(--red);
  color: #fff;
}

.question-card .option-btn.wrong::after {
  content: '\2717';
  position: absolute;
  right: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--red);
}

.question-card .option-btn:disabled:not(.correct):not(.wrong) {
  opacity: .6;
}

.question-card .explanation-box {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 5px solid var(--card-accent-1);
  background: var(--bg-surface-2);
  border-radius: 25px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.question-card .explanation-box.show {
  display: flex;
  gap: 10px;
}

.question-card .explanation-box .exp-icon {
  flex-shrink: 0;
  font-size: 18px;
  margin-top: 1px;
}

.question-card .explanation-box .exp-label {
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.pagination-wrapper {
  margin: 32px 0 24px;
}

.pagination-wrapper .pagination-info {
  text-align: center;
  font-size: 13px;
  color: var(--muted-text-color);
  margin-bottom: 14px;
}

.pagination-wrapper .pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pagination-wrapper .pagination a, 
.pagination-wrapper .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 8px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ease-normal);
}

.pagination-wrapper .pagination a {
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  background: var(--card-bg);
}

.pagination-wrapper .pagination a:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--input-bg);
  text-decoration: none;
}

.pagination-wrapper .pagination a.prev-next {
  gap: 4px;
  padding: 0 12px;
  font-size: 13px;
}

.pagination-wrapper .pagination span.current-page {
  background: var(--blue);
  color: #fff;
  border: 1.5px solid var(--blue);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.pagination-wrapper .pagination span.disabled {
  border: 1.5px solid var(--button-hover-bg);
  color: var(--muted-text-color);
  cursor: not-allowed;
}

.pagination-wrapper .pagination span.ellipsis {
  border: none;
  color: var(--muted-text-color);
  min-width: 20px;
}

.score-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  padding: 12px 18px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.score-strip .score-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}

.score-strip .score-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-hover-color-color);
  margin-left: auto;
}

.related-categories {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.related-categories h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.related-categories a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--body-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--ease-fast);
}

.related-categories a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .related-categories a {
    width: 100%;
    justify-content: center;
  }
}

.menu-toggle {
  display: none;
  width: 95px;
  height: 30px;
  border: none;
  background: var(--card-bg);
  border-radius: 25px;
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 1023px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 12px;
    top: 65px;
    z-index: 90;
    width: 111px;
    gap: 10px;
    border: 1px solid var(--border-color);
  }

  .th-left-sidebar,
  .gk-sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100vh;
    background: var(--card-bg);
    z-index: 999;
    padding: 20px;
    overflow-y: auto;
    transition: left 0.3s ease-in-out;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
  }

  .th-left-sidebar.open,
  .gk-sidebar.open,
  .th-left-sidebar.active,
  .gk-sidebar.active {
    left: 0;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .sidebar-overlay.active {
    display: block;
  }
}



/* ============================================================
   LEFT SIDEBAR (GK QUIZ CATEGORIES) 
   ============================================================ */

.layout-sidebar-left {
  width: 280px;
  flex-shrink: 0;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  height: calc(100vh - 64px); /* Assuming 64px header */
  position: sticky;
  top: 64px;
  overflow-y: auto;
  z-index: 10;
  border-radius: 0;
}

.sidebar-sticky-inner {
  padding: 24px 16px;
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-left: 8px;
  border-left: 4px solid var(--accent-color);
}

.sidebar-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-nav-link {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.sidebar-nav-link:hover {
  background: var(--blue-transparent-focus);
  color: var(--blue);
}

.sidebar-nav-link.active {
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow);
}

/* Mobile Sidebar Toggle */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  bottom: 80px; right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-color);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 1000;
  font-size: 24px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.sidebar-overlay-shield {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* Responsive */
@media (max-width: 1023px) {
  .layout-sidebar-left {
    position: fixed;
    top: 0;
    left: -320px;
    width: 280px;
    height: 100vh;
    border-radius: 0;
    box-shadow: 2px 0 12px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
    z-index: 100;
  }
  
  .layout-sidebar-left.mobile-open {
    left: 0;
  }
  
  .sidebar-overlay-shield.active {
    display: block;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
}


/* ============================================================
   GRID LAYOUT CONTAINER (FOR SIDEBARS AND MAIN CONTENT)
   ============================================================ */

.layout-container {
  display: grid;
  gap: 24px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 16px 40px;
  align-items: start;
}

.layout-left-sidebar {
  grid-template-columns: 280px 1fr;
}

.layout-both-sidebars {
  grid-template-columns: 280px 1fr 280px;
}

.layout-right-sidebar {
  grid-template-columns: 1fr 280px;
}

.layout-full {
  grid-template-columns: 1fr;
}

@media (max-width: 1023px) {
  .layout-container,
  .layout-left-sidebar,
  .layout-both-sidebars,
  .layout-right-sidebar {
    grid-template-columns: 1fr;
    gap: 0;
  }
}



@media (max-width: 768px) {
  .question-card {
    padding: 16px !important;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }
  .layout-container {
    padding-left: 12px;
    padding-right: 12px;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  body {
    overflow-x: hidden;
  }
}


/* Ultimate Mobile Width Override */
@media (max-width: 1023px) {
  .layout-container,
  .layout-left-sidebar,
  .layout-both-sidebars,
  .layout-right-sidebar {
    display: block !important; /* Force block layout to kill Grid expansion bugs */
    width: 100% !important;
    max-width: 100vw !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  
  .main-content {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .question-card, 
  .quiz-meta, 
  .quiz-page-header, 
  .options-grid, 
  .option-btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .quiz-description {
    word-wrap: break-word !important;
    white-space: normal !important;
  }
  
  .quiz-meta {
    flex-wrap: wrap !important;
  }
}