/* =========================================================
   POWERHOUSE QUIZ ENGINE - Enhanced Styles
   Commercial Grade EdTech Quiz Experience
   ========================================================= */

/* ==================== QUIZ MODAL BASE ==================== */
.quiz-modal {
  position: relative;
  width: 900px;
  max-width: 95%;
  /* Hard-cap by viewport with generous nav-bar clearance so the inner grid
     ALWAYS has room to scroll instead of bleeding off-screen. */
  height: calc(100vh - 160px);
  max-height: 760px;
  min-height: 420px;
  /* Trim outer padding too — was eating ~80px of usable height. */
  padding: 24px 28px !important;
}

.quiz-menu-grid {
  flex: 1 1 auto;
  min-height: 0;
}

/* Full-screen mode when reviewing answers */
.quiz-modal.review-mode {
  width: 100%;
  max-width: 100%;
  height: 100vh;
  max-height: 100vh;
  border-radius: 0;
  padding: 0;
  overflow-y: auto;
}

.quiz-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-mute);
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.quiz-close-btn:hover {
  background: rgba(255, 107, 107, 0.2);
  border-color: #ff6b6b;
  color: #ff6b6b;
  transform: rotate(90deg);
}

.quiz-close-btn.small {
  width: 32px;
  height: 32px;
  position: static;
}

/* ==================== QUIZ VIEW HEADER ==================== */
.quiz-view {
  height: 100%;
  display: flex;
  flex-direction: column;
  /* Allow inner panes to scroll if content overflows on short laptops/tablets */
  overflow: hidden;
  min-height: 0;
}

/* Make the analysis view scroll when stats + chart + actions don't all fit */
#quiz-analysis-view {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-right: 4px;
}

.quiz-view-header {
  text-align: center;
  margin-bottom: 18px;     /* was 30px — tightened so the grid gets more room */
  flex-shrink: 0;
}

.quiz-step-indicator {
  font-family: var(--font-code);
  color: var(--text-mute);
  font-size: 0.8rem;
  letter-spacing: 2px;
}

.quiz-breadcrumb {
  font-family: var(--font-code);
  color: var(--text-mute);
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.back-btn {
  padding: 5px 15px;
  font-size: 0.8rem;
}

/* ==================== QUIZ MODE CARDS ==================== */
.mode-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  transition: transform 0.3s;
}

.quiz-mode-card:hover .mode-icon {
  transform: scale(1.1);
}

.mcq-icon { color: var(--why-cyan); }
.tf-icon { color: var(--atlas-gold); }
.fib-icon { color: #bd93f9; }

.mode-count {
  color: var(--text-mute);
  font-size: 0.8rem;
  margin-top: 10px;
  font-weight: 600;
  font-family: var(--font-code);
}

.mode-desc {
  color: var(--text-mute);
  font-size: 0.75rem;
  margin-top: 8px;
  font-style: italic;
  opacity: 0.8;
}

/* ==================== ACTIVE QUIZ HEADER ==================== */
.quiz-active-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.quiz-info-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-counter {
  font-family: var(--font-code);
  color: var(--atlas-gold);
  font-size: 1rem;
  font-weight: bold;
}

.quiz-tags {
  display: flex;
  gap: 8px;
}

.quiz-tag {
  font-family: var(--font-code);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.quiz-tag.region {
  background: rgba(255, 215, 0, 0.15);
  color: var(--atlas-gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.quiz-tag.system {
  background: rgba(0, 242, 255, 0.15);
  color: var(--why-cyan);
  border: 1px solid rgba(0, 242, 255, 0.3);
}

.quiz-info-center {
  display: flex;
  align-items: center;
}

.quiz-timer {
  font-family: var(--font-code);
  font-size: 1.2rem;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.quiz-timer i {
  color: var(--atlas-gold);
  margin-right: 8px;
}

.quiz-info-right {
  display: flex;
  gap: 10px;
  align-items: center;
}

.quiz-icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-mute);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-icon-btn:hover {
  background: rgba(0, 242, 255, 0.1);
  border-color: var(--why-cyan);
  color: var(--why-cyan);
}

.quiz-submit-btn {
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.2), rgba(0, 242, 255, 0.1));
  border: 1px solid var(--why-cyan);
  color: var(--why-cyan);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-code);
  font-weight: bold;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-submit-btn:hover {
  background: var(--why-cyan);
  color: var(--void);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

/* ==================== QUIZ CONTENT AREA ==================== */
.quiz-content-area {
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 10px;
  margin-bottom: 15px;
}

/* ==================== QUIZ ACTION BAR ==================== */
.quiz-action-bar {
  display: flex;
  gap: 15px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  margin-bottom: 15px;
  flex-shrink: 0;
}

.quiz-action-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-mute);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.85rem;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-mute);
  color: var(--text-main);
}

.quiz-action-btn.active {
  background: rgba(255, 215, 0, 0.15);
  border-color: var(--atlas-gold);
  color: var(--atlas-gold);
}

.quiz-action-btn.active i {
  font-weight: 900;
}

/* ==================== QUIZ NAVIGATION ==================== */
.quiz-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-prev, .nav-next {
  min-width: 120px;
  justify-content: center;
}

.nav-prev {
  border-color: var(--text-mute);
  color: var(--text-mute);
}

.nav-prev:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

.nav-next {
  border-color: var(--atlas-gold);
  color: var(--atlas-gold);
}

.nav-next:hover {
  background: rgba(255, 215, 0, 0.1);
}

/* Skip-mode styling — when user hasn't answered, button looks neutral
   instead of confident gold, so user knows they're skipping */
.nav-next.is-skip {
  border-color: rgba(255, 255, 255, 0.25) !important;
  color: var(--text-mute) !important;
  background: rgba(255, 255, 255, 0.04);
}
.nav-next.is-skip:hover {
  border-color: rgba(255, 200, 80, 0.55) !important;
  color: #ffd466 !important;
  background: rgba(255, 200, 80, 0.10);
}

.nav-submit {
  border-color: #00ff9d;
  color: #00ff9d;
  display: none;
}

.nav-submit:hover {
  background: rgba(0, 255, 157, 0.1);
}

.quiz-nav-hint {
  display: flex;
  gap: 20px;
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--text-mute);
  opacity: 0.6;
}

.quiz-nav-hint span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ==================== QUESTION GRID PANEL ==================== */
.question-grid-panel {
  position: absolute;
  top: 0;
  right: -350px;
  width: 320px;
  height: 100%;
  background: rgba(2, 12, 27, 0.98);
  border-left: 1px solid var(--border);
  padding: 20px;
  transition: right 0.3s ease;
  z-index: 20;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
}

.question-grid-panel.open {
  right: 0;
}

.question-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.question-grid-header h3 {
  color: var(--atlas-gold);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.question-grid-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 0.7rem;
  font-family: var(--font-code);
}

.question-grid-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-mute);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-dot.current { background: var(--atlas-gold); }
.legend-dot.correct { background: #00ff9d; }
.legend-dot.incorrect { background: #ff6b6b; }
.legend-dot.unanswered { background: var(--text-mute); opacity: 0.5; }
.legend-dot.bookmarked { background: #bd93f9; }

.question-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  overflow-y: auto;
  flex-grow: 1;
}

.question-grid-btn {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-mute);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.9rem;
  font-weight: bold;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.question-grid-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-mute);
  transform: scale(1.05);
}

.question-grid-btn.current {
  background: var(--atlas-gold);
  border-color: var(--atlas-gold);
  color: var(--void);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.question-grid-btn.correct {
  background: rgba(0, 255, 157, 0.15);
  border-color: #00ff9d;
  color: #00ff9d;
}

.question-grid-btn.incorrect {
  background: rgba(255, 107, 107, 0.15);
  border-color: #ff6b6b;
  color: #ff6b6b;
}

.question-grid-btn.unanswered {
  opacity: 0.6;
}

.question-grid-btn.bookmarked::after {
  content: '';
  position: absolute;
  top: 3px;
  right: 3px;
  width: 6px;
  height: 6px;
  background: #bd93f9;
  border-radius: 50%;
}

.question-grid-btn.flagged::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 6px;
  height: 6px;
  background: #ff7043;
  border-radius: 50%;
}

/* ==================== ANALYSIS VIEW ==================== */
.analysis-header {
  text-align: center;
  margin-bottom: 30px;
}

.analysis-header h2 {
  color: var(--why-cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.analysis-stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.accuracy-box .stat-val {
  font-size: 2.5rem;
  color: var(--atlas-gold);
}

.correct-box .stat-val {
  color: #00ff9d;
}

.wrong-box .stat-val {
  color: #ff6b6b;
}

.unanswered-box .stat-val {
  color: var(--text-mute);
}

.time-box .stat-val {
  color: var(--why-cyan);
  font-size: 1.8rem;
}

.analysis-recommendation {
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid var(--atlas-gold);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
  text-align: left;
}

.analysis-recommendation strong {
  color: var(--atlas-gold);
  display: block;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.analysis-recommendation p {
  color: var(--text-main);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Category Breakdown */
.category-breakdown-section {
  margin-bottom: 30px;
}

.category-breakdown-section h3 {
  color: var(--text-main);
  font-size: 1rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.breakdown-item {
  display: grid;
  grid-template-columns: 200px 1fr 100px;
  align-items: center;
  gap: 15px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 15px;
  border-radius: 8px;
}

.breakdown-label {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-mute);
}

.breakdown-bar-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.breakdown-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.breakdown-stats {
  font-family: var(--font-code);
  font-size: 0.85rem;
  font-weight: bold;
  text-align: right;
}

/* Analysis Actions */
.analysis-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-review {
  border-color: var(--why-cyan);
  color: var(--why-cyan);
}

.btn-review:hover {
  background: rgba(0, 242, 255, 0.1);
}

.btn-retry {
  border-color: var(--atlas-gold);
  color: var(--atlas-gold);
}

.btn-retry:hover {
  background: rgba(255, 215, 0, 0.1);
}

.btn-menu {
  border-color: var(--text-mute);
  color: var(--text-mute);
}

.btn-menu:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

/* ==================== PROFESSIONAL REVIEW VIEW ==================== */
#quiz-review-view {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: visible;
  padding: 30px 40px 60px;
  box-sizing: border-box;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.02);
  padding: 20px;
  border-radius: 12px;
  margin: -10px -10px 20px -10px;
}

.review-header h2 {
  color: var(--why-cyan);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  margin: 0;
}

.review-controls {
  display: flex;
  gap: 15px;
  align-items: center;
}

.review-filter {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 15px;
  border-radius: 8px;
  font-family: var(--font-code);
  font-size: 0.9rem;
  cursor: pointer;
  min-width: 180px;
  transition: all 0.3s;
}

.review-filter:focus {
  outline: none;
  border-color: var(--atlas-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.review-filter option {
  background: var(--void);
  color: var(--text-main);
  padding: 10px;
}

.review-list {
  overflow: visible;
  flex-grow: 1;
  padding-right: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 40px;
}

.review-list::-webkit-scrollbar {
  width: 8px;
}

.review-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.review-list::-webkit-scrollbar-thumb {
  background: var(--atlas-gold);
  border-radius: 4px;
}

.review-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-mute);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px dashed var(--border);
}

/* Professional Review Card */
.review-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 25px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.review-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(5px);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Status Indicators */
.review-card.correct {
  border-left: 5px solid #00ff9d;
  background: linear-gradient(90deg, rgba(0, 255, 157, 0.05), transparent);
}

.review-card.incorrect {
  border-left: 5px solid #ff6b6b;
  background: linear-gradient(90deg, rgba(255, 107, 107, 0.05), transparent);
}

.review-card.unanswered {
  border-left: 5px solid #8892b0;
  background: linear-gradient(90deg, rgba(136, 146, 176, 0.05), transparent);
  opacity: 0.9;
}

.review-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.review-q-num {
  background: var(--atlas-gold);
  color: var(--void);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-code);
  font-weight: bold;
  font-size: 1rem;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.review-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.review-tag {
  font-family: var(--font-code);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.review-tag.region {
  background: rgba(255, 215, 0, 0.15);
  color: var(--atlas-gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.review-tag.system {
  background: rgba(0, 242, 255, 0.15);
  color: var(--why-cyan);
  border: 1px solid rgba(0, 242, 255, 0.3);
}

.review-tag.bookmarked {
  background: rgba(189, 147, 249, 0.2);
  color: #bd93f9;
  border: 1px solid rgba(189, 147, 249, 0.4);
}

.review-tag.flagged {
  background: rgba(255, 112, 67, 0.2);
  color: #ff7043;
  border: 1px solid rgba(255, 112, 67, 0.4);
}

.review-status {
  font-size: 1.5rem;
  margin-left: auto;
}

.review-question {
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.6;
  font-weight: 500;
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border-left: 3px solid var(--why-cyan);
}

/* Answer Section */
.review-answers-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

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

.answer-box {
  padding: 15px;
  border-radius: 10px;
  border: 2px solid;
  position: relative;
}

.answer-box.your-answer {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-mute);
}

.answer-box.your-answer.correct {
  background: rgba(0, 255, 157, 0.1);
  border-color: #00ff9d;
}

.answer-box.your-answer.wrong {
  background: rgba(255, 107, 107, 0.1);
  border-color: #ff6b6b;
}

.answer-box.correct-answer {
  background: rgba(0, 255, 157, 0.05);
  border-color: #00ff9d;
  border-style: dashed;
}

.answer-label {
  font-family: var(--font-code);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.answer-box.your-answer .answer-label {
  color: var(--text-mute);
}

.answer-box.your-answer.correct .answer-label {
  color: #00ff9d;
}

.answer-box.your-answer.wrong .answer-label {
  color: #ff6b6b;
}

.answer-box.correct-answer .answer-label {
  color: #00ff9d;
}

.answer-text {
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--text-main);
}

.answer-box.unanswered {
  background: rgba(136, 146, 176, 0.1);
  border-color: #8892b0;
  border-style: dotted;
}

.answer-box.unanswered .answer-label {
  color: #8892b0;
}

.answer-box.unanswered .answer-text {
  color: #8892b0;
  font-style: italic;
}

/* Explanation Section */
.review-explanation {
  background: rgba(0, 242, 255, 0.05);
  border: 1px dashed rgba(0, 242, 255, 0.3);
  border-radius: 10px;
  padding: 20px;
  margin-top: 15px;
}

.review-explanation strong {
  color: var(--why-cyan);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.review-explanation p {
  color: var(--text-mute);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* Quick Stats Bar */
.review-stats-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  border: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.review-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-code);
  font-size: 0.9rem;
}

.review-stat-item.correct { color: #00ff9d; }
.review-stat-item.incorrect { color: #ff6b6b; }
.review-stat-item.unanswered { color: #8892b0; }

/* Animations */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.review-card {
  animation: slideIn 0.4s ease;
}

/* ==================== REVIEW NAVIGATION ==================== */
/* Floating Back-to-Top Button */
.review-back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--atlas-gold), #e6a800);
  color: var(--void);
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
  z-index: 1000;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.review-back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.review-back-to-top:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 6px 30px rgba(255, 215, 0, 0.6);
}

/* Question Jump Navigator */
.review-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
  align-items: center;
}

.review-jump-nav-label {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-right: 10px;
  white-space: nowrap;
}

.review-jump-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-mute);
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.8rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.review-jump-btn:hover {
  background: rgba(255, 215, 0, 0.15);
  border-color: var(--atlas-gold);
  color: var(--atlas-gold);
  transform: scale(1.1);
}

.review-jump-btn.correct-dot {
  border-color: rgba(0, 255, 157, 0.4);
  color: #00ff9d;
}

.review-jump-btn.incorrect-dot {
  border-color: rgba(255, 107, 107, 0.4);
  color: #ff6b6b;
}

.review-jump-btn.unanswered-dot {
  opacity: 0.5;
}

/* Professional mode overrides for review nav */
body.professional-mode .review-jump-nav {
  background: white;
  border-color: var(--border);
}

body.professional-mode .review-jump-btn {
  background: white;
  border-color: var(--border);
  color: var(--text-main);
}

body.professional-mode .review-back-to-top {
  background: var(--atlas-gold);
  color: white;
}

/* ==================== ANIMATIONS ==================== */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 242, 255, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(0, 242, 255, 0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
  #quiz-overlay {
    width: 100vw;
    height: 100dvh;
    align-items: stretch;
  }

  .quiz-modal {
    width: 100%;
    max-width: 100%;
    height: 100dvh;
    min-height: 0;
    max-height: none;
    border-radius: 0;
    /* Reserve safe space at bottom so the Next/Submit/Review buttons
       never sit under the floating Pro/Student toggle on short phones.
       The toggle auto-hides while the modal is open via body.body-modal-open,
       but this padding is a defence-in-depth fallback for older browsers. */
    padding: max(16px, env(safe-area-inset-top, 0px)) 16px max(12px, env(safe-area-inset-bottom, 0px)) !important;
  }

  .quiz-menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    /* Keep every choice as a real card. Without an explicit implicit-row
       minimum, CSS Grid squeezes the whole list into this flex pane and the
       icon/title/count layers collapse into one another on phones. */
    grid-auto-rows: minmax(185px, max-content);
    align-content: start;
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    gap: 14px;
    padding: 4px 8px 24px 4px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .quiz-mode-card {
    min-height: 185px;
    height: auto;
    margin-bottom: 0;
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .quiz-mode-card .mode-icon {
    flex: 0 0 auto;
    font-size: 2.5rem;
    line-height: 1;
    margin: 0 0 12px;
  }

  .quiz-mode-card h3 {
    width: 100%;
    margin: 0;
    line-height: 1.25;
    text-align: center;
  }

  .quiz-mode-card .mode-count {
    width: 100%;
    margin: 8px 0 0;
    line-height: 1.35;
    text-align: center;
  }

  .quiz-mode-card .mode-desc {
    width: 100%;
    margin: 7px 0 0;
    line-height: 1.35;
    text-align: center;
  }

  .quiz-view-header {
    padding-inline: 42px;
    margin-bottom: 14px;
  }

  .quiz-view-header h2 {
    margin-inline: auto;
    font-size: clamp(1.35rem, 6vw, 1.8rem);
    line-height: 1.15;
    text-align: center;
  }

  .quiz-close-btn {
    top: 10px;
    right: 10px;
  }
  /* Make sure inner navigation never gets clipped */
  .quiz-navigation {
    padding-bottom: 8px;
  }
  /* Analysis-action buttons (Try Again / Review Answers) wrap onto their own row */
  .analysis-actions {
    padding-bottom: 16px;
  }
  
  .analysis-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .breakdown-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .breakdown-stats {
    text-align: left;
  }
  
  .question-grid-panel {
    width: 100%;
    right: -100%;
  }
  
  .quiz-navigation {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .quiz-nav-hint {
    display: none;
  }
  
  .review-header {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
  
  .review-controls {
    width: 100%;
  }
  
  .review-filter {
    flex-grow: 1;
  }
  
  .review-answers-section {
    grid-template-columns: 1fr;
  }
  
  .review-stats-bar {
    justify-content: space-between;
  }
}

@media (max-width: 480px) {
  .analysis-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .quiz-active-header {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .quiz-info-center {
    order: -1;
    width: 100%;
    justify-content: center;
  }
  
  .analysis-actions {
    flex-direction: column;
  }
  
  .analysis-actions .nav-btn {
    width: 100%;
    justify-content: center;
  }
  
  .review-card {
    padding: 15px;
  }
  
  .review-question {
    font-size: 1rem;
  }
}

/* ==================== PROFESSIONAL MODE OVERRIDES ==================== */
body.professional-mode .question-grid-panel {
  background: rgba(240, 244, 248, 0.98);
  border-left-color: var(--border);
}

body.professional-mode .question-grid-btn {
  background: white;
  border-color: var(--border);
  color: var(--text-main);
}

body.professional-mode .question-grid-btn:hover {
  background: rgba(21, 101, 192, 0.05);
  border-color: var(--atlas-gold);
}

body.professional-mode .question-grid-btn.current {
  background: var(--atlas-gold);
  color: white;
}

body.professional-mode .question-grid-btn.correct {
  background: rgba(102, 187, 106, 0.15);
  border-color: #66bb6a;
  color: #2e7d32;
}

body.professional-mode .question-grid-btn.incorrect {
  background: rgba(239, 83, 80, 0.15);
  border-color: #ef5350;
  color: #c62828;
}

body.professional-mode .review-card {
  background: white;
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body.professional-mode .review-card:hover {
  box-shadow: 0 8px 24px rgba(21, 101, 192, 0.15);
  border-color: var(--atlas-gold);
}

body.professional-mode .review-card.correct {
  border-left-color: #66bb6a;
  background: linear-gradient(90deg, rgba(102, 187, 106, 0.05), white);
}

body.professional-mode .review-card.incorrect {
  border-left-color: #ef5350;
  background: linear-gradient(90deg, rgba(239, 83, 80, 0.05), white);
}

body.professional-mode .review-card.unanswered {
  border-left-color: #78909c;
  background: linear-gradient(90deg, rgba(120, 144, 156, 0.05), white);
}

body.professional-mode .review-question {
  background: #f8f9fa;
  border-left-color: var(--atlas-gold);
  color: #263238;
}

body.professional-mode .answer-box.your-answer.correct {
  background: rgba(102, 187, 106, 0.1);
  border-color: #66bb6a;
}

body.professional-mode .answer-box.your-answer.wrong {
  background: rgba(239, 83, 80, 0.1);
  border-color: #ef5350;
}

body.professional-mode .answer-box.correct-answer {
  background: rgba(102, 187, 106, 0.05);
  border-color: #66bb6a;
}

body.professional-mode .answer-box.unanswered {
  background: rgba(120, 144, 156, 0.05);
  border-color: #78909c;
}

body.professional-mode .review-explanation {
  background: rgba(21, 101, 192, 0.03);
  border-color: rgba(21, 101, 192, 0.2);
}

body.professional-mode .review-explanation strong {
  color: var(--atlas-gold);
}

body.professional-mode .review-list {
  scrollbar-color: var(--atlas-gold) rgba(21, 101, 192, 0.1);
}

body.professional-mode .review-list::-webkit-scrollbar-thumb {
  background: var(--atlas-gold);
}

body.professional-mode .review-filter {
  background: white;
  border-color: var(--border);
  color: var(--text-main);
}

body.professional-mode .review-filter option {
  background: white;
}

body.professional-mode .breakdown-item {
  background: white;
}

body.professional-mode .analysis-recommendation {
  background: rgba(255, 243, 224, 0.5);
}

body.professional-mode .quiz-timer {
  background: white;
  border-color: var(--border);
}

body.professional-mode .review-stats-bar {
  background: white;
  border-color: var(--border);
}

body.professional-mode .review-tag.region {
  background: rgba(21, 101, 192, 0.1);
  color: var(--atlas-gold);
  border-color: rgba(21, 101, 192, 0.3);
}

body.professional-mode .review-tag.system {
  background: rgba(0, 137, 123, 0.1);
  color: var(--why-cyan);
  border-color: rgba(0, 137, 123, 0.3);
}

/* ==================== EXAM CONFIG OVERLAY ==================== */
.exam-config-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 12, 27, 0.95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
}

body.professional-mode .exam-config-overlay {
  background: rgba(240, 244, 248, 0.98);
}

.exam-config-card {
  background: var(--void, #020c1b);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  padding: 35px;
  width: 550px;
  max-width: 90%;
  border-radius: 20px;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  position: relative;
}

body.professional-mode .exam-config-card {
  background: var(--bg-card, #ffffff);
  border: 2px solid var(--border, #e2e8f0);
  box-shadow: 0 20px 40px rgba(21, 101, 192, 0.15);
  border-top: 4px solid var(--atlas-gold, #ffd700);
}

.exam-cfg-title {
  color: var(--atlas-gold, #ffd700);
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 12px;
}

body.professional-mode .exam-cfg-title {
  color: #1e293b;
}

.exam-cfg-sub {
  color: var(--text-mute, #8892b0);
  font-family: var(--font-code, monospace);
  font-size: 0.8rem;
  margin-bottom: 25px;
}

.exam-cfg-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.exam-cfg-label {
  color: var(--text-main, #e6f1ff);
  font-family: var(--font-code, monospace);
  font-size: 0.85rem;
  font-weight: bold;
  letter-spacing: 1px;
}

body.professional-mode .exam-cfg-label {
  color: #334155;
}

.exam-cfg-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exam-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  color: var(--text-mute, #8892b0);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-code, monospace);
  font-size: 0.85rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body.professional-mode .exam-chip {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #475569;
}

.exam-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-mute, #8892b0);
  color: var(--text-main, #e6f1ff);
}

body.professional-mode .exam-chip:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.exam-chip.active {
  background: rgba(0, 242, 255, 0.12) !important;
  border-color: var(--why-cyan, #00f2ff) !important;
  color: var(--why-cyan, #00f2ff) !important;
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.15);
  font-weight: bold;
}

body.professional-mode .exam-chip.active {
  background: rgba(126, 87, 194, 0.15) !important;
  border-color: var(--medical-purple, #7e57c2) !important;
  color: var(--medical-purple, #7e57c2) !important;
  box-shadow: 0 0 10px rgba(126, 87, 194, 0.15);
}

.exam-cfg-summary {
  background: rgba(0, 242, 255, 0.04);
  border: 1px solid rgba(0, 242, 255, 0.15);
  padding: 12px 18px;
  border-radius: 10px;
  font-family: var(--font-code, monospace);
  font-size: 0.85rem;
  color: var(--why-cyan, #00f2ff);
  margin-top: 10px;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

body.professional-mode .exam-cfg-summary {
  background: rgba(126, 87, 194, 0.04);
  border: 1px solid rgba(126, 87, 194, 0.15);
  color: var(--medical-purple, #7e57c2);
}

.exam-cfg-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.srs-btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-code, monospace);
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
}

.srs-btn-ghost {
  background: transparent;
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  color: var(--text-mute, #8892b0);
}

body.professional-mode .srs-btn-ghost {
  border: 1px solid #cbd5e1;
  color: #475569;
}

.srs-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main, #e6f1ff);
}

body.professional-mode .srs-btn-ghost:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.srs-btn-primary {
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.2), rgba(0, 242, 255, 0.1));
  border: 1px solid var(--why-cyan, #00f2ff);
  color: var(--why-cyan, #00f2ff);
}

body.professional-mode .srs-btn-primary {
  background: linear-gradient(135deg, rgba(126, 87, 194, 0.2), rgba(126, 87, 194, 0.1));
  border: 1px solid var(--medical-purple, #7e57c2);
  color: var(--medical-purple, #7e57c2);
}

.srs-btn-primary:hover {
  background: var(--why-cyan, #00f2ff);
  color: #020c1b;
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

body.professional-mode .srs-btn-primary:hover {
  background: var(--medical-purple, #7e57c2);
  color: white;
  box-shadow: 0 0 20px rgba(126, 87, 194, 0.3);
}

/* ==================== GRID ANSWERED STATES ==================== */
.question-grid-btn.answered {
  background: rgba(0, 242, 255, 0.15);
  border-color: var(--why-cyan, #00f2ff);
  color: var(--why-cyan, #00f2ff);
}

body.professional-mode .question-grid-btn.answered {
  background: rgba(126, 87, 194, 0.15);
  border-color: var(--medical-purple, #7e57c2);
  color: var(--medical-purple, #7e57c2);
}

.legend-dot.answered {
  background: var(--why-cyan, #00f2ff);
}

body.professional-mode .legend-dot.answered {
  background: var(--medical-purple, #7e57c2);
}

/* ==================== EXAM CONFIG MODAL CLOSE BUTTON ==================== */
.exam-config-card .modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.03) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--text-mute, #8892b0);
  width: 38px;
  height: 38px;
  border-radius: 50% !important;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 1.5rem;
  padding: 0;
  line-height: 1;
}

.exam-config-card .modal-close:hover {
  background: rgba(255, 107, 107, 0.15) !important;
  border-color: #ff6b6b !important;
  color: #ff6b6b !important;
  transform: rotate(90deg) scale(1.08);
}

body.professional-mode .exam-config-card .modal-close {
  background: rgba(126, 87, 194, 0.05) !important;
  border: 1px solid rgba(126, 87, 194, 0.1) !important;
  color: #64748b;
}

body.professional-mode .exam-config-card .modal-close:hover {
  background: rgba(255, 112, 67, 0.15) !important;
  border-color: var(--medical-coral, #ff7043) !important;
  color: var(--medical-coral, #ff7043) !important;
  transform: rotate(90deg) scale(1.08);
}