/* ==========================================================================
   STYLE: WEB COMIC READER - HUYỀN THOẠI FIX BUG
   ========================================================================== */

:root {
  --bg-main: #0b0f19;
  --bg-card: #151d2e;
  --bg-card-hover: #1e293b;
  --border-color: #2a374f;
  --comic-border: 3px solid #000000;
  --comic-shadow: 5px 5px 0px #000000;
  --comic-shadow-hover: 7px 7px 0px #000000;
  
  --color-primary: #f59e0b;
  --color-primary-hover: #d97706;
  --color-secondary: #8b5cf6;
  --color-accent-red: #ef4444;
  --color-accent-green: #10b981;
  --color-accent-blue: #38bdf8;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  
  --font-comic: 'Bangers', cursive, 'Impact', sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Halftone Comic Dots Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: radial-gradient(#334155 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.25;
  z-index: 0;
}

/* ----------------- Reading Progress Bar ----------------- */
#reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

#reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #f59e0b, #ec4899, #8b5cf6);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
  transition: width 0.1s ease-out;
}

/* ----------------- Header / Navigation ----------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--border-color);
  padding: 0.75rem 1.5rem;
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  background: var(--color-primary);
  color: #000;
  font-family: var(--font-comic);
  font-size: 1.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 2px solid #000;
  box-shadow: 3px 3px 0 #000;
  transform: rotate(-3deg);
}

.brand-title {
  font-family: var(--font-comic);
  font-size: 1.6rem;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
  font-size: 0.9rem;
}

.btn-icon:hover {
  background: var(--color-primary);
  color: #000;
  border-color: #000;
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 #000;
}

.btn-icon.active {
  background: var(--color-secondary);
  color: #fff;
  border-color: #000;
  box-shadow: 3px 3px 0 #000;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: #0f172a;
  border: 2px solid #000;
  border-radius: var(--radius-sm);
  box-shadow: 3px 3px 0 #000;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 0.65rem;
  font-family: var(--font-comic);
  font-size: 0.95rem;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  font-weight: 700;
}

.lang-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
  background: var(--color-primary);
  color: #000;
}

/* ----------------- Hero / Comic Info ----------------- */
.hero-section {
  position: relative;
  z-index: 10;
  max-width: 1000px;
  margin: 2rem auto 1.5rem;
  padding: 0 1.25rem;
}

.hero-card {
  background: linear-gradient(135deg, #151d2e 0%, #1e1b4b 100%);
  border: var(--comic-border);
  box-shadow: var(--comic-shadow);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-badge {
  background: var(--color-accent-red);
  color: #fff;
  font-family: var(--font-comic);
  font-size: 1.1rem;
  letter-spacing: 1px;
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 2px solid #000;
  border-radius: var(--radius-sm);
  transform: rotate(-2deg);
  margin-bottom: 0.75rem;
}

.comic-title {
  font-family: var(--font-comic);
  font-size: 2.8rem;
  line-height: 1.15;
  color: #fff;
  text-shadow: 3px 3px 0 #000;
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
}

.comic-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-accent-blue);
  font-weight: 500;
}

.comic-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 650px;
}

.hero-stats {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-comic);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ----------------- Comic Reader Main Area ----------------- */
.reader-wrapper {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 1.25rem 4rem;
}

/* Reader View Modes */
.reader-scroll-mode .comic-panel-card {
  margin-bottom: 2.5rem;
}

.reader-slide-mode .comic-panel-card {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.reader-slide-mode .comic-panel-card.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Comic Panel Card */
.comic-panel-card {
  background: var(--bg-card);
  border: var(--comic-border);
  box-shadow: var(--comic-shadow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}

.comic-panel-card:hover {
  box-shadow: var(--comic-shadow-hover);
  border-color: #000;
}

/* Panel Header */
.panel-header {
  background: #0f172a;
  border-bottom: 2px solid #000;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-index {
  font-family: var(--font-comic);
  font-size: 1.25rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-time-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--color-accent-blue);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Comic Image Box */
.panel-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.panel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.panel-image-container:hover .panel-img {
  transform: scale(1.02);
}

/* Sound Effect Sticker (Comic Onomatopoeia) */
.comic-sfx {
  position: absolute;
  top: 15px;
  right: 20px;
  font-family: var(--font-comic);
  font-size: 1.8rem;
  color: #fff;
  background: var(--color-accent-red);
  padding: 0.2rem 0.8rem;
  border: 3px solid #000;
  box-shadow: 4px 4px 0 #000;
  border-radius: var(--radius-sm);
  transform: rotate(6deg);
  pointer-events: none;
  animation: pulseSFX 2s infinite alternate;
}

.comic-sfx.sfx-blue {
  background: var(--color-accent-blue);
  color: #000;
  transform: rotate(-8deg);
  top: auto;
  bottom: 20px;
  right: 20px;
}

.comic-sfx.sfx-gold {
  background: var(--color-primary);
  color: #000;
  transform: rotate(10deg);
}

.comic-sfx.sfx-green {
  background: var(--color-accent-green);
  color: #000;
  transform: rotate(-5deg);
}

@keyframes pulseSFX {
  0% { transform: scale(1) rotate(6deg); }
  100% { transform: scale(1.08) rotate(8deg); }
}

/* Narrative Box (Marvel/DC yellow caption style) */
.narrative-box {
  background: #fef08a;
  color: #1e293b;
  border: 2px solid #000;
  box-shadow: 3px 3px 0 #000;
  padding: 0.75rem 1rem;
  margin: 1rem 1.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
}

.narrative-box .narrative-tag {
  color: #b45309;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 0.2rem;
}

/* Speech Dialogue Area */
.dialogue-container {
  padding: 1rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.speech-bubble {
  background: #ffffff;
  color: var(--text-dark);
  border: 2px solid #000;
  box-shadow: 3px 3px 0 #000;
  border-radius: 16px;
  padding: 0.75rem 1.2rem;
  position: relative;
  max-width: 85%;
  font-size: 0.95rem;
  line-height: 1.4;
}

.speech-bubble.dev {
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.speech-bubble.monster {
  align-self: flex-end;
  background: #4c1d95;
  color: #f5f3ff;
  border-color: #000;
  border-bottom-right-radius: 4px;
}

.speech-speaker {
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.speech-bubble.dev .speech-speaker {
  color: #0284c7;
}

.speech-bubble.monster .speech-speaker {
  color: #f43f5e;
}

/* ----------------- Slide Mode Controller ----------------- */
.slide-controls {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.5rem 0 2rem;
}

.reader-slide-mode .slide-controls {
  display: flex;
}

.slide-btn {
  background: var(--color-primary);
  color: #000;
  border: 2px solid #000;
  box-shadow: 4px 4px 0 #000;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.4rem;
  font-family: var(--font-comic);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.slide-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 #000;
  background: #fbbf24;
}

.slide-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: 2px 2px 0 #000;
}

.slide-counter {
  font-family: var(--font-comic);
  font-size: 1.3rem;
  color: var(--text-main);
  background: var(--bg-card);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-color);
}

/* ----------------- Floating Navigation Bar ----------------- */
.floating-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95);
  border: 2px solid #000;
  box-shadow: 4px 4px 0 #000;
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 800;
  backdrop-filter: blur(10px);
}

.nav-pill-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.nav-pill-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-primary);
}

.nav-pill-btn.primary {
  background: var(--color-primary);
  color: #000;
  border: 1px solid #000;
}

.nav-pill-btn.primary:hover {
  background: #fde047;
}

/* ----------------- Engagement & Reactions ----------------- */
.engagement-section {
  max-width: 900px;
  margin: 0 auto 3rem;
  padding: 0 1.25rem;
}

.engagement-card {
  background: var(--bg-card);
  border: var(--comic-border);
  box-shadow: var(--comic-shadow);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
}

.engagement-title {
  font-family: var(--font-comic);
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.reactions-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.25rem;
}

.reaction-btn {
  background: #0f172a;
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.reaction-btn:hover {
  border-color: #000;
  box-shadow: 3px 3px 0 #000;
  transform: translateY(-2px);
  background: #1e293b;
}

.reaction-btn.reacted {
  border-color: var(--color-primary);
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-primary);
}

.reaction-emoji {
  font-size: 1.4rem;
}

/* Floating Emoji Animation */
.floating-emoji {
  position: fixed;
  pointer-events: none;
  font-size: 2rem;
  z-index: 2000;
  animation: floatUp 1.2s ease-out forwards;
}

@keyframes floatUp {
  0% {
    opacity: 1;
    transform: translateY(0) scale(0.6) rotate(0deg);
  }
  50% {
    transform: translateY(-60px) scale(1.3) rotate(15deg);
  }
  100% {
    opacity: 0;
    transform: translateY(-130px) scale(1) rotate(-15deg);
  }
}

/* ----------------- Comments Section ----------------- */
.comments-section {
  max-width: 900px;
  margin: 0 auto 5rem;
  padding: 0 1.25rem;
}

.comments-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.comments-header h3 {
  font-family: var(--font-comic);
  font-size: 1.6rem;
  color: #fff;
  letter-spacing: 0.5px;
}

.comment-input-box {
  background: var(--bg-card);
  border: var(--comic-border);
  box-shadow: var(--comic-shadow);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.comment-input-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.input-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #000;
  font-family: var(--font-comic);
  font-size: 1.2rem;
  flex-shrink: 0;
  border: 2px solid #000;
}

.comment-form {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.comment-name-input {
  background: #0f172a;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  max-width: 250px;
  outline: none;
}

.comment-name-input:focus {
  border-color: var(--color-primary);
}

.comment-textarea {
  background: #0f172a;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  min-height: 70px;
  outline: none;
}

.comment-textarea:focus {
  border-color: var(--color-primary);
}

.comment-submit-btn {
  align-self: flex-end;
  background: var(--color-primary);
  color: #000;
  border: 2px solid #000;
  box-shadow: 3px 3px 0 #000;
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-comic);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}

.comment-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 #000;
  background: #fbbf24;
}

/* Comment List */
.comment-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-item {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: var(--transition);
}

.comment-item:hover {
  border-color: #38bdf8;
}

.comment-user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  border: 2px solid #000;
  flex-shrink: 0;
}

.comment-content {
  flex-grow: 1;
}

.comment-user-name {
  font-weight: 700;
  color: #f1f5f9;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.comment-user-badge {
  font-size: 0.7rem;
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.4);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
}

.comment-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.comment-body {
  color: #cbd5e1;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ----------------- Footer ----------------- */
.site-footer {
  border-top: 2px solid var(--border-color);
  background: #090d16;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  position: relative;
  z-index: 10;
}

.footer-logo {
  font-family: var(--font-comic);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

/* ----------------- Responsive Breakpoints ----------------- */
@media (max-width: 768px) {
  .hero-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.5rem;
  }
  
  .comic-title {
    font-size: 2.1rem;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .comic-meta-tags {
    justify-content: center;
  }
  
  .speech-bubble {
    max-width: 95%;
  }
  
  .comic-sfx {
    font-size: 1.3rem;
    padding: 0.15rem 0.5rem;
  }
  
  .floating-bar {
    width: 90%;
    justify-content: space-around;
    padding: 0.35rem 0.5rem;
  }
  
  .nav-pill-btn span {
    display: none;
  }
}

/* ----------------- Advertisement Slots (728x90 Leaderboard) ----------------- */
.ad-container {
  max-width: 728px;
  margin: 2rem auto;
  padding: 0 1rem;
  text-align: center;
  position: relative;
  z-index: 10;
}

.ad-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-weight: 600;
  display: block;
}

.ad-slot-728x90 {
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  margin: 0 auto;
  background: rgba(15, 23, 42, 0.7);
  border: 2px dashed #334155;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  overflow: hidden;
  box-sizing: border-box;
}

.ad-slot-728x90:hover {
  border-color: var(--color-primary);
  background: rgba(245, 158, 11, 0.05);
}

.ad-placeholder-text {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--color-accent-blue);
  font-weight: 600;
}

.ad-placeholder-sub {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .ad-slot-728x90 {
    min-height: 65px;
    padding: 0.5rem;
  }
  .ad-placeholder-text {
    font-size: 0.8rem;
  }
}