/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-card: #252525;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --accent-purple: #9b59b6;
  --accent-purple-hover: #ae6fd1;
  --border-color: #333333;
  --shadow-color: rgba(155, 89, 182, 0.2);
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition:
    background-color 0.3s,
    color 0.3s;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.2;
}

.purple-text {
  color: var(--accent-purple);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* ===== NAVIGATION ===== */
.navbar {
  background-color: var(--bg-secondary);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent-purple);
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent-purple);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.5rem;
  transition: color 0.3s;
}

.theme-toggle:hover {
  color: var(--accent-purple);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all 0.3s;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: 4rem 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  padding: 0.8rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--accent-purple);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-purple-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px var(--shadow-color);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--accent-purple);
}

.btn-secondary:hover {
  background-color: var(--accent-purple);
  color: white;
}

/* ===== GENRE GRID ===== */
.featured-genres {
  padding: 4rem 0;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 0 20px;
}

.genre-card {
  background-color: var(--bg-card);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.genre-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: 0 10px 20px var(--shadow-color);
}

.genre-icon {
  font-size: 2.5rem;
  color: var(--accent-purple);
  margin-bottom: 1rem;
}

.genre-card h3 {
  margin-bottom: 0.5rem;
}

.genre-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== BOOK GRID ===== */
.popular-books {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 0 20px;
}

.book-card {
  background-color: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.book-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: 0 10px 20px var(--shadow-color);
}

.book-cover {
  height: 200px;
  overflow: hidden;
}

.cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-primary);
}

.cover-placeholder.mystery {
  background: linear-gradient(135deg, #2c3e50, #34495e);
}

.cover-placeholder.scifi {
  background: linear-gradient(135deg, #1a237e, #283593);
}

.cover-placeholder.romance {
  background: linear-gradient(135deg, #880e4f, #ad1457);
}

.book-info {
  padding: 1.5rem;
}

.book-info h3 {
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.book-author {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.book-genre {
  display: inline-block;
  background-color: var(--accent-purple);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-size: 0.7rem;
  margin-right: 0.5rem;
}

.book-price {
  color: var(--accent-purple);
  font-weight: 600;
  font-size: 1.1rem;
}

.btn-preview {
  display: inline-block;
  background-color: transparent;
  color: var(--accent-purple);
  text-decoration: none;
  padding: 0.3rem 1rem;
  border: 1px solid var(--accent-purple);
  border-radius: 20px;
  font-size: 0.9rem;
  transition: all 0.3s;
  margin-top: 0.5rem;
}

.btn-preview:hover {
  background-color: var(--accent-purple);
  color: white;
}

/* ===== AUTHOR GRID ===== */
.featured-authors {
  padding: 4rem 0;
}

.author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 0 20px;
}

.author-card {
  background-color: var(--bg-card);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.author-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: 0 10px 20px var(--shadow-color);
}

.author-img {
  width: 100px;
  height: 100px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent-purple);
}

.img-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-secondary);
}

.author-card h3 {
  margin-bottom: 0.3rem;
}

.author-genre {
  color: var(--accent-purple);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.author-bio {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.btn-view {
  display: inline-block;
  background-color: transparent;
  color: var(--accent-purple);
  text-decoration: none;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--accent-purple);
  border-radius: 20px;
  transition: all 0.3s;
}

.btn-view:hover {
  background-color: var(--accent-purple);
  color: white;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--bg-secondary);
  padding: 4rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
}

.footer-section h4 span {
  color: var(--accent-purple);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section ul li a:hover {
  color: var(--accent-purple);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: color 0.3s;
}

.social-icons a:hover {
  color: var(--accent-purple);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ===== BOOK PAGE STYLES ===== */
.book-page {
  padding: 2rem 0;
}

.book-header {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.book-cover-large {
  width: 100%;
  height: 400px;
  background-color: var(--bg-card);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.book-meta h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.book-meta .author-link {
  color: var(--accent-purple);
  text-decoration: none;
  font-size: 1.2rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.book-meta .author-link:hover {
  text-decoration: underline;
}

.book-preview {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  margin: 2rem 0;
  border: 1px solid var(--border-color);
}

.preview-content {
  color: var(--text-secondary);
}

.preview-content h2 {
  color: var(--text-primary);
  margin: 1.5rem 0 1rem;
}

.summary-box {
  background-color: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 10px;
  margin: 2rem 0;
  border-left: 4px solid var(--accent-purple);
}

.btn-request {
  display: inline-block;
  background-color: var(--accent-purple);
  color: white;
  padding: 1rem 3rem;
  border-radius: 30px;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 600;
  transition: all 0.3s;
  margin: 1rem 0;
  text-align: center;
}

.btn-request:hover {
  background-color: var(--accent-purple-hover);
  transform: scale(1.05);
}

/* ===== AUTHOR PAGE STYLES ===== */
.author-profile {
  padding: 2rem 0;
}

.author-header {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.author-profile-img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--accent-purple);
}

.author-profile-img .img-placeholder {
  font-size: 8rem;
}

.author-info h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  word-wrap: break-word;
}

.author-genre-tag {
  display: inline-block;
  background-color: var(--accent-purple);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.author-bio-full {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.author-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-purple);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.author-books {
  margin-top: 3rem;
}

.author-books h2 {
  margin-bottom: 2rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===== GENRE DETAIL PAGE ===== */
.genre-header {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.genre-authors {
  padding: 3rem 0;
}

.genre-author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.genre-author-card {
  display: flex;
  background-color: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.genre-author-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: 0 10px 20px var(--shadow-color);
}

.genre-author-img {
  width: 100px;
  height: 100px;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-secondary);
}

.genre-author-info {
  flex: 1;
  padding: 1rem;
}

.genre-author-info h3 {
  margin-bottom: 0.3rem;
  color: var(--accent-purple);
}

.genre-author-bio {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.genre-author-books {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.genre-author-books i {
  color: var(--accent-purple);
  margin-right: 0.3rem;
}

/* ===== ABOUT PAGE ===== */
.about-section {
  padding: 3rem 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.about-content h2 {
  color: var(--accent-purple);
  margin: 2rem 0 1rem;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.about-stat {
  padding: 1.5rem;
  background-color: var(--bg-secondary);
  border-radius: 10px;
}

.about-stat .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-purple);
  display: block;
}

.about-stat .stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== CONTACT PAGE ===== */
.contact-section {
  padding: 3rem 0;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.contact-info h2 {
  color: var(--accent-purple);
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.contact-detail i {
  color: var(--accent-purple);
  font-size: 1.2rem;
  width: 24px;
}

.contact-form {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.contact-form h2 {
  color: var(--accent-purple);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-purple);
}

.submit-btn {
  background-color: var(--accent-purple);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
}

.submit-btn:hover {
  background-color: var(--accent-purple-hover);
}

/* ===== REQUEST PAGE STYLES ===== */
.request-page-section {
  padding: 3rem 0;
  min-height: 60vh;
}

.request-form-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.selected-book-info {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.selected-book {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.book-icon {
  width: 50px;
  height: 50px;
  background-color: var(--bg-secondary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-purple);
}

.book-details h3 {
  margin: 0;
  color: var(--text-primary);
}

.book-details p {
  margin: 0.3rem 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.readonly-field {
  background-color: var(--bg-primary) !important;
  opacity: 0.8;
  cursor: not-allowed;
}

.form-hint {
  display: block;
  margin-top: 0.3rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.payment-info-box {
  margin-top: 2rem;
  padding: 1.5rem;
  background-color: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.payment-info-box h3 {
  color: var(--accent-purple);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.payment-steps {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-number {
  width: 25px;
  height: 25px;
  background-color: var(--accent-purple);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.step p {
  color: var(--text-secondary);
  margin: 0;
}

.payment-note {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
  color: var(--text-primary);
}

/* ===== DISCOUNT BADGES ===== */
.discount-badge {
  display: inline-block;
  background-color: #ff4444;
  color: white;
  font-size: 0.7rem;
  font-weight: bold;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.5rem;
  vertical-align: middle;
  animation: pulse 2s infinite;
}

.discount-badge-large {
  display: inline-block;
  background-color: #ff4444;
  color: white;
  font-size: 1rem;
  font-weight: bold;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin-left: 1rem;
  animation: pulse 2s infinite;
}

.original-price {
  color: var(--text-secondary);
  text-decoration: line-through;
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

.sale-price {
  color: var(--accent-purple);
  font-size: 1.5rem;
  font-weight: bold;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* ===== MOBILE RESPONSIVE FIXES ===== */
@media (max-width: 768px) {
  /* Navigation */
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
  }

  .nav-menu.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero h1 {
    font-size: 2rem;
    padding: 0 1rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    padding: 0 1rem;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  /* Grids */
  .book-grid,
  .author-grid,
  .genre-grid {
    grid-template-columns: 1fr !important;
    padding: 0 1rem;
  }

  /* Author Page */
  .author-header {
    grid-template-columns: 1fr !important;
    text-align: center;
    gap: 1rem;
  }

  .author-profile-img {
    width: 150px !important;
    height: 150px !important;
    margin: 0 auto;
  }

  .author-info h1 {
    font-size: 1.8rem !important;
    word-wrap: break-word;
  }

  .author-bio-full {
    font-size: 1rem !important;
    line-height: 1.5 !important;
    padding: 0 1rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    text-align: left;
  }

  .author-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .stat {
    min-width: 80px;
  }

  .author-genre-tag {
    margin: 0.5rem auto;
  }

  .btn-view,
  .btn-preview,
  .btn-request {
    width: 100%;
    text-align: center;
    padding: 0.8rem !important;
  }

  /* Book Page */
  .book-header {
    grid-template-columns: 1fr !important;
    text-align: center;
  }

  .book-cover-large {
    max-width: 300px;
    margin: 0 auto;
    height: 300px;
  }

  .book-meta h1 {
    font-size: 2rem;
  }

  /* Genre Page */
  .genre-author-card {
    flex-direction: column;
    text-align: center;
  }

  .genre-author-img {
    margin: 0 auto;
  }

  .genre-card-large {
    flex-direction: column;
  }

  .genre-icon-large {
    width: 100%;
    height: 100px;
  }

  /* Contact Page */
  .contact-container {
    grid-template-columns: 1fr;
  }

  /* About Page */
  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr !important;
    text-align: center;
  }

  .social-icons {
    justify-content: center;
  }

  .container {
    padding: 0 15px !important;
  }
}