/**
 * Questionbank CSS - Shared styles for AI SL Math questionbank pages
 * This file contains styles for questionbank pages including question cards, filters, modals, etc.
 */

/* Layout and Container Styles */
.layout-menu {
  background-color: #ffffff !important;
}

/* Force container width restrictions */
.container-xxl {
  max-width: 85%;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.content-wrapper {
  width: 70%;
  margin: 0 auto;
}

.qb-container {
  max-width: 85%;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.qb-content-wrapper {
  width: 70%;
  margin: 0 auto;
}

/* Filter Section Styles */
.qb-filter-title {
  font-weight: 600;
  color: #495057;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.qb-filter-card {
  box-shadow: none !important;
  border: 1px solid #e9ecef;
  border-radius: 1rem;
  display: inline-block;
  width: auto;
}

.qb-filter-card:hover {
  transform: none !important;
  box-shadow: none !important;
}

/* Question Card Styles */
.qb-question-card {
  transition: all 0.2s ease;
  border: 1px solid #e9ecef;
  margin-bottom: 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.qb-question-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Question Image Size Classes */
.qb-question-card .qb-big-question {
  max-width: 85%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.qb-question-card .qb-medium-question {
  max-width: 70%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.qb-question-card .qb-small-question {
  max-width: 50%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

/* Question Header Styles */
.qb-question-number {
  font-weight: 700;
  font-size: 1.2rem;
  color: #495057;
  margin-left: 2rem;
}

.qb-difficulty-badge {
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  margin-left: 0.5rem;
  line-height: 1.2;
  border-radius: 0.5rem;
  display: inline-block;
  min-height: 1.8rem;
  display: inline-flex;
  align-items: center;
}

.qb-difficulty-easy { 
  background-color: #d4edda; 
  color: #155724; 
}

.qb-difficulty-medium { 
  background-color: #fff3cd; 
  color: #856404; 
}

.qb-difficulty-hard { 
  background-color: #f8d7da; 
  color: #721c24; 
}

.qb-paper-badge {
  background-color: #e9ecef;
  color: #495057;
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border-radius: 0.5rem;
  margin-left: 0.5rem;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
}

/* Question Content Styles */
.qb-question-text {
  line-height: 1.6;
  margin-top: 0.5rem;
  color: #333;
  margin-left: 2rem;
}

.qb-question-text p {
  font-size: 1rem;
}

.qb-question-text .question {
  margin-left: 3rem;
}

.question-text .answer-choices {
  margin-left: 3rem;
}

.question-card .sub-question {
  margin-left: 5rem;
}

.qb-question-marks {
  line-height: 1.6;
  margin-top: 2rem;
  color: #333;
  margin-left: 2rem;
  margin-bottom: 1rem;
}

.qb-question-marks p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Button Styles */
.qb-answer-btn {
  min-width: 120px;
  width: 100%;
}

.qb-video-btn {
  min-width: 120px;
  width: 100%;
}

.qb-answer-btn:focus {
  box-shadow: none !important;
  border-color: #6f42c1 !important;
}

.qb-answer-btn:active {
  background-color: transparent !important;
  border-color: #6f42c1 !important;
  color: #6f42c1 !important;
}

/* Container and Loading Styles */
.qb-questions-container {
  min-height: 200px;
}

.qb-loading-spinner {
  display: none;
}

/* Modal Styles */
.qb-answer-modal .modal-body {
  max-height: 70vh;
  overflow-y: auto;
  padding: 2rem;
}

.qb-answer-modal .modal-body p {
  font-size: 0.95rem;
}

.qb-answer-modal .modal-header {
  padding: 1.5rem 2rem;
  padding-bottom: 0;
}

.qb-answer-modal .modal-dialog {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 1rem);
}

.qb-answer-modal .modal-content {
  margin: auto;
}

/* Modal Question Image Classes */
.qb-answer-modal .qb-small-question {
  max-width: 50%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.qb-answer-modal .qb-medium-question {
  max-width: 70%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.qb-answer-modal .qb-big-question {
  max-width: 85%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

/* Video Modal Styles */
.qb-video-modal .modal-dialog {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 1rem);
  max-width: 900px;
}

.qb-video-modal .modal-content {
  margin: auto;
  border: none;
  border-radius: 12px;
  overflow: hidden;
}

.qb-video-modal .modal-body {
  padding: 0;
  background: #000;
}

.qb-video-modal .modal-header {
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #e9ecef;
}

.qb-video-modal iframe {
  width: 100%;
  height: 480px;
  border: none;
}

/* Separator Styles */
.qb-mobile-separator {
  display: none;
  width: 100%;
  height: 2px;
  background-color: #e9ecef;
  margin: 1rem 0;
}

.qb-desktop-separator {
  display: flex;
}

/* Table Styles */
table,
.qb-table {
  width: auto;
  max-width: 70%;
  border-collapse: collapse;
  margin: 1rem auto;
  font-size: 0.9rem;
  font-family: sans-serif;
  min-width: 400px;
  border: 1px solid #c5c5c5;
  border-radius: 1rem;
}

table thead tr,
.qb-table thead tr {
  background-color: #e8e8e8;
  color: #333333;
  text-align: center;
}

table th,
table td,
.qb-table th,
.qb-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #c5c5c5;
  border-right: 1px solid #c5c5c5;
  text-align: center;
}

table th:last-child,
table td:last-child,
.qb-table th:last-child,
.qb-table td:last-child {
  border-right: none;
}

table th,
.qb-table th {
  font-weight: 600;
}

table tbody tr,
.qb-table tbody tr {
  border-bottom: 1px solid #c5c5c5;
  background-color: #ffffff;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .container-xxl {
    max-width: 95%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  
  .qb-container {
    max-width: 95%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  
  /* Responsive table styles */
  table,
  .qb-table {
    font-size: 0.8rem;
    min-width: 300px;
  }
  
  table th,
  table td,
  .qb-table th,
  .qb-table td {
    padding: 8px 10px;
  }
}

@media (max-width: 767px) {
  .qb-question-number {
    margin-left: 1rem;
    font-size: 1.1rem;
  }
  
  .qb-question-text {
    margin-left: 1rem;
    margin-top: 1rem;
  }
  
  .qb-question-text .question {
    margin-left: 1rem;
  }
  
  .qb-question-marks {
    margin-left: 1rem;
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
  }
  
  .qb-question-card {
    margin-bottom: 1rem;
  }
  
  /* Make vertical line horizontal on mobile */
  .qb-mobile-separator {
    display: block !important;
  }
  
  .qb-desktop-separator {
    display: none !important;
  }
  
  .qb-answer-btn, 
  .qb-video-btn {
    margin-bottom: 0.5rem;
  }
}

@media (min-width: 768px) {
  .qb-mobile-separator {
    display: none !important;
  }
  
  .qb-desktop-separator {
    display: flex !important;
  }
}

/* Legacy Support - keeping old class names for backward compatibility */
.filter-title,
.qb-filter-title {
  font-weight: 600;
  color: #495057;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-card,
.qb-filter-card {
  box-shadow: none !important;
  border: 1px solid #e9ecef;
  border-radius: 1rem;
  display: inline-block;
  width: auto;
}

.filter-card:hover,
.qb-filter-card:hover {
  transform: none !important;
  box-shadow: none !important;
}

.question-card,
.qb-question-card {
  transition: all 0.2s ease;
  border: 1px solid #e9ecef;
  margin-bottom: 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.question-card:hover,
.qb-question-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.question-card, .question-card * {
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -moz-user-select: none;
}

/* Allow selection and pointer events for overlays and buttons */
.question-card .unlock-overlay,
.question-card button,
.question-card a {
  user-select: auto;
  pointer-events: auto;
}

.question-number,
.qb-question-number {
  font-weight: 700;
  font-size: 1.2rem;
  color: #495057;
  margin-left: 2rem;
}

.difficulty-badge,
.qb-difficulty-badge {
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  margin-left: 0.5rem;
  line-height: 1.2;
  border-radius: 0.5rem;
  display: inline-block;
  min-height: 1.8rem;
  display: inline-flex;
  align-items: center;
}

.difficulty-easy,
.qb-difficulty-easy { 
  background-color: #d4edda; 
  color: #155724; 
}

.difficulty-medium,
.qb-difficulty-medium { 
  background-color: #fff3cd; 
  color: #856404; 
}

.difficulty-hard,
.qb-difficulty-hard { 
  background-color: #f8d7da; 
  color: #721c24; 
}

.paper-badge,
.qb-paper-badge {
  background-color: #e9ecef;
  color: #495057;
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border-radius: 0.5rem;
  margin-left: 0.5rem;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
}

.question-text,
.qb-question-text {
  line-height: 1.6;
  margin-top: 0.5rem;
  color: #333;
  margin-left: 2rem;
  margin-top: 1rem;
}

.question-text p,
.qb-question-text p {
  font-size: 1rem;
}

.question-text .question,
.qb-question-text .question {
  margin-left: 3rem;
}

.question-marks,
.qb-question-marks {
  line-height: 1.6;
  margin-top: 1rem;
  color: #333;
  margin-left: 2rem;
  margin-bottom: 0.5rem;
}

.question-marks p,
.qb-question-marks p {
  font-size: 1rem;
  margin-bottom: 0;
}

.answer-btn,
.qb-answer-btn {
  min-width: 120px;
  width: 100%;
}

.video-btn,
.qb-video-btn {
  min-width: 120px;
  width: 100%;
}

.answer-btn:focus,
.qb-answer-btn:focus {
  box-shadow: none !important;
  border-color: #6f42c1 !important;
}

.answer-btn:active,
.qb-answer-btn:active {
  background-color: transparent !important;
  border-color: #6f42c1 !important;
  color: #6f42c1 !important;
}

.loading-spinner,
.qb-loading-spinner {
  display: none;
}

.mobile-separator,
.qb-mobile-separator {
  display: none;
  width: 100%;
  height: 2px;
  background-color: #e9ecef;
  margin: 1rem 0;
}

.desktop-separator,
.qb-desktop-separator {
  display: flex;
}

.algorithm-code {
  background-color: #fafafa;
  border: 1px solid #ccc;
  padding: 1rem;
  border-radius: 10px;
  font-family: 'Courier New', Courier, monospace;
  white-space: pre-wrap;
  margin-top: 10px;
  font-size: 1rem;
}

.answers {
  margin-left: 20px;
  background-color: #e8e8e8;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 10px;
}

/* Java Code Formatting */
.language-java {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  overflow-x: auto;
  color: #333;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Java Code in Pre blocks */
pre .language-java {
  background-color: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

/* Pre blocks containing Java code */
/* pre:has(.language-java) {
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  overflow-x: auto;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.95rem;
  line-height: 1.6;
} */

/* Alternative selector for older browsers */
pre code.language-java {
  display: block;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  overflow-x: auto;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #333;
  white-space: pre-wrap;
  word-wrap: break-word;
}



/* Responsive adjustments */
@media (max-width: 768px) {
  .language-java,
  pre code.language-java {
    font-size: 0.85rem;
    padding: 1rem;
    border-radius: 6px;
  }
}

/* Question Image Size Classes - Legacy Support */
.question-card .big_question,
.qb-question-card .qb-big-question {
  max-width: 85%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.question-card .medium_question,
.qb-question-card .qb-medium-question {
  max-width: 70%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.question-card .small_question,
.qb-question-card .qb-small-question {
  max-width: 50%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

/* Modal Legacy Support */
.answer-modal .modal-body,
.qb-answer-modal .modal-body {
  max-height: 70vh;
  overflow-y: auto;
  padding: 2rem;
}

.answer-modal .modal-body p,
.qb-answer-modal .modal-body p {
  font-size: 0.95rem;
}

.answer-modal .modal-header,
.qb-answer-modal .modal-header {
  padding: 1.5rem 2rem;
}

.answer-modal .modal-dialog,
.qb-answer-modal .modal-dialog {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 1rem);
}

.answer-modal .modal-content,
.qb-answer-modal .modal-content {
  margin: auto;
}

.answer-modal .small_question,
.qb-answer-modal .qb-small-question {
  max-width: 50%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.answer-modal .medium_question,
.qb-answer-modal .qb-medium-question {
  max-width: 70%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.answer-modal .big_question,
.qb-answer-modal .qb-big-question {
  max-width: 85%;
  text-align: center;
  margin: auto;
  display: flex;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.video-modal .modal-dialog,
.qb-video-modal .modal-dialog {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 1rem);
  max-width: 900px;
}

.video-modal .modal-content,
.qb-video-modal .modal-content {
  margin: auto;
  border: none;
  border-radius: 12px;
  overflow: hidden;
}

.video-modal .modal-body,
.qb-video-modal .modal-body {
  padding: 0;
  background: #000;
}

.video-modal .modal-header,
.qb-video-modal .modal-header {
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #e9ecef;
}

.video-modal iframe,
.qb-video-modal iframe {
  width: 100%;
  height: 480px;
  border: none;
}

.blurred-question-content {
  filter: blur(4px);
  pointer-events: none;
  user-select: none;
  opacity: 0.7;
}
.blurred-question {
  position: relative;
}
.blurred-question .unlock-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  background: rgba(0,0,0,0.7);
  padding: 0.5em 1em;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.1em;
  pointer-events: auto;
  z-index: 2;
  filter: none;
  opacity: 1;
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.blurred-question .unlock-overlay:hover, .blurred-question .unlock-overlay:focus {
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 4px 20px rgba(0,0,0,0.22);
  filter: brightness(0.95);
}
/* .blurred-question .unlock-overlay:active {
  transform: translate(-50%, -50%) scale(0.98);
  box-shadow: 0 1px 6px rgba(0,0,0,0.12);
} */
.unlock-overlay.lite {
  background: #26c6f9; /* blue */
  color: #fff;
  font-weight: 500;
  font-size: 1.3rem;
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
}
.unlock-overlay.premium {
  background: #72e128; /* green */
  color: #fff;
  font-weight: 500;
  font-size: 1.3rem;
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
}



/* Equal Height Cards */
.row {
  display: flex;
  flex-wrap: wrap;
}

.row > [class*="col-"] {
  display: flex;
  flex-direction: column;
}

.row > [class*="col-"] > a {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
}

.row > [class*="col-"] .card {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.row > [class*="col-"] .card .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.row > [class*="col-"] .card .card-body .card-text {
  flex-grow: 1;
}