/* ==========================================================================
   ASISH SONTI — MODULE LEARNING JOURNAL
   Clean, Interactive Swipeable Horizontal Journal & Modal Article Reader
   Tokens: #0B0F19 (bg), #111827 (card), #1F2937 (hover), #00F0FF (cyan), #1E293B (border)
   ========================================================================== */

/* Journal Hero Section */
.journal-hero {
  padding-top: calc(var(--nav-height) + 3.5rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 2;
}

.journal-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-accent);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.journal-title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  text-transform: uppercase;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.journal-intro-text {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  max-width: 760px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* Journal Main Section */
.journal-swipe-section {
  padding: 3.5rem 0 6rem 0;
  position: relative;
  z-index: 2;
}

/* 5 Category Navigation Tabs */
.journal-category-tabs {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 2.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.journal-category-tabs::-webkit-scrollbar {
  display: none;
}

.journal-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.journal-tab-btn .tab-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.journal-tab-btn .tab-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.journal-tab-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.journal-tab-btn.active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-glow);
}

.journal-tab-btn.active .tab-num {
  color: var(--accent-cyan);
}

.journal-tab-btn.active .tab-title {
  color: #FFFFFF;
}

/* Carousel Outer Wrapper & Controls */
.journal-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 2.5rem;
}

.carousel-arrow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.carousel-arrow-btn.prev {
  left: -23px;
}

.carousel-arrow-btn.next {
  right: -23px;
}

.carousel-arrow-btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-50%) scale(1.08);
}

.carousel-arrow-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

/* Carousel Viewport & Track */
.journal-carousel-viewport {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.journal-carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Category Slide */
.journal-category-slide {
  min-width: 100%;
  width: 100%;
  box-sizing: border-box;
  padding: 0 0.5rem;
}

.category-slide-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.category-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  display: block;
}

.category-slide-title {
  font-size: clamp(1.6rem, 2.5vw, 2.25rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.category-progress-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

/* Slide Exercises Grid: 2 Cards per Category */
.slide-exercises-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

/* Exercise Card */
.journal-exercise-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.journal-exercise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-cyan);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.journal-exercise-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px var(--accent-glow);
}

.journal-exercise-card:hover::before {
  opacity: 1;
}

.journal-exercise-card:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

.card-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.ex-number-badge {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid var(--border-accent);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.ex-date-tag {
  color: var(--text-secondary);
}

.card-exercise-title {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.journal-exercise-card:hover .card-exercise-title {
  color: var(--accent-cyan);
}

.card-exercise-snippet {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-points-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
}

.points-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.card-read-action {
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.06em;
  transition: transform var(--transition-fast);
}

.journal-exercise-card:hover .card-read-action {
  transform: translateX(4px);
}

/* Bottom Progress Dots */
.journal-dots-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.journal-dot-btn {
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background: var(--border-subtle);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.journal-dot-btn:hover {
  background: var(--text-secondary);
}

.journal-dot-btn.active {
  width: 32px;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ==========================================================================
   CLEAN EXERCISE ARTICLE MODAL
   Contains ONLY:
   1. Exercise number & title
   2. Date
   3. Short paragraph (4-5 lines)
   4. Five key points
   ========================================================================== */

.exercise-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.exercise-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.exercise-modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 740px;
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px var(--accent-glow);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.exercise-modal-backdrop.open .exercise-modal-dialog {
  transform: translateY(0);
}

.modal-header-bar {
  padding: 1.25rem 2rem;
  background: rgba(17, 24, 39, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-category-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-close-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  border-color: var(--accent-cyan);
  color: #FFFFFF;
  background: var(--bg-card-hover);
}

.modal-scroll-body {
  overflow-y: auto;
  padding: 2.25rem 2.5rem 3rem 2.5rem;
}

.modal-meta-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.modal-num-badge {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid var(--border-accent);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.modal-date-tag {
  color: var(--text-secondary);
}

.modal-exercise-title {
  font-size: clamp(1.6rem, 2.8vw, 2.15rem);
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  line-height: 1.25;
}

/* Paragraph Card */
.modal-paragraph-box {
  background: rgba(31, 41, 55, 0.4);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
}

.modal-paragraph-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin: 0;
}

/* Five Key Points Card */
.modal-points-box {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.75rem;
}

.modal-points-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-points-heading::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.modal-points-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.modal-point-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
}

.modal-point-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
  margin-top: 0.55rem;
  flex-shrink: 0;
}

.modal-point-text {
  color: var(--text-primary);
}

/* ==========================================================================
   STANDALONE READER VIEW (blog-post.html)
   ========================================================================== */

.reader-section {
  padding-top: calc(var(--nav-height) + 2.5rem);
  padding-bottom: 6rem;
  position: relative;
  z-index: 2;
}

.reader-container {
  max-width: 820px;
  margin: 0 auto;
}

.reader-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-journal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.back-to-journal-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateX(-3px);
}

.reader-article-surface {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.reader-meta-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.reader-cat-tag {
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-accent);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.reader-date-tag, .reader-num-tag {
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.reader-article-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.reader-subheading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.reader-subheading::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.reader-paragraph-card {
  background: rgba(31, 41, 55, 0.4);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.75rem 2rem;
  margin-bottom: 2.5rem;
}

.reader-paragraph-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-primary);
  margin: 0;
}

.reader-points-card {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  margin-bottom: 2rem;
}

.reader-points-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.reader-point-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
}

.reader-point-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
  margin-top: 0.55rem;
  flex-shrink: 0;
}

.reader-pagination-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.reader-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.reader-nav-btn.next {
  text-align: right;
  align-items: flex-end;
}

.reader-nav-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.reader-nav-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reader-nav-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}