/* NovelX Reader - 主要樣式表 */

/* CSS 變數定義 */
:root {
  /* 顏色配置 - Light Mode */
  --primary-color: #5E72E4;
  --primary-hover: #4C63D2;
  --secondary-color: #6C757D;
  --success-color: #28A745;
  --danger-color: #DC3545;
  --warning-color: #FFC107;
  --info-color: #17A2B8;
  
  --bg-color: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #E9ECEF;
  
  --text-color: #212529;
  --text-secondary: #6C757D;
  --text-muted: #ADB5BD;
  
  --border-color: #DEE2E6;
  --border-light: #E9ECEF;
  
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  
  /* 字體設定 */
  --font-family-sans: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-serif: 'Noto Serif TC', Georgia, 'Times New Roman', serif;
  
  /* 間距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 3rem;
  
  /* 邊框圓角 */
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  
  /* 過渡效果 */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

/* Dark Mode 變數 */
[data-theme="dark"] {
  --bg-color: #121212;
  --bg-secondary: #1E1E1E;
  --bg-tertiary: #2D2D2D;
  
  --text-color: #E0E0E0;
  --text-secondary: #B0B0B0;
  --text-muted: #757575;
  
  --border-color: #404040;
  --border-light: #2D2D2D;
  
  --primary-color: #7C8AE8;
  --primary-hover: #6B7CE0;
}

/* Sepia Mode 變數 */
[data-theme="sepia"] {
  --bg-color: #F4F1EA;
  --bg-secondary: #EAE4D3;
  --bg-tertiary: #E0D6C1;
  
  --text-color: #5C4B37;
  --text-secondary: #8B7355;
  --text-muted: #A68B5B;
  
  --border-color: #D4C4A8;
  --border-light: #E0D6C1;
}

/* 基礎重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: var(--transition);
}

/* 連結樣式 */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* 按鈕樣式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: white;
  text-decoration: none;
}

.btn-outline {
  color: var(--primary-color);
  background-color: transparent;
  border-color: var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
  color: white;
  background-color: var(--primary-color);
  text-decoration: none;
}

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* 表單樣式 */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(94, 114, 228, 0.25);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group small {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* 容器樣式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* 導覽列樣式 */
.header {
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar {
  padding: var(--spacing-md) 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
}

.logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.nav-search {
  flex: 1;
  max-width: 400px;
  margin: 0 var(--spacing-lg);
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.5rem 2.5rem 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-secondary);
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(94, 114, 228, 0.25);
}

.search-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.search-btn:hover {
  color: var(--primary-color);
  background-color: var(--bg-tertiary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.nav-link.active {
  color: var(--primary-color);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.username {
  font-weight: 500;
  color: var(--text-color);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.language-selector select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-fast);
  min-width: 120px;
}

.language-selector select:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-secondary);
}

.language-selector select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.1);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-color);
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--text-color);
  margin: 2px 0;
  transition: var(--transition-fast);
}

/* 主要內容區域 */
.main {
  min-height: calc(100vh - 200px);
  padding: 3px 0 0 0;
}

/* Hero 區域 */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  text-align: center;
  height: 10vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}

.hero-content {
  max-width: 800px;
  padding: 0 var(--spacing-lg);
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
  font-size: 1rem;
  line-height: 1.4;
  opacity: 0.9;
}

/* Slider 區域 */
.slider {
  margin-top: 3px;
  margin-bottom: var(--spacing-xl);
}

.slider-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.slider-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.slider-item {
  position: relative;
  display: none;
  cursor: pointer;
  transition: var(--transition);
}

.slider-item.active {
  display: block;
}

.slider-item img {
  width: 100%;
  height: 55vh;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

.slider-item:hover {
  transform: scale(1.02);
}

.slider-controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  pointer-events: none;
}

.slider-btn {
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  pointer-events: all;
}

.slider-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider-dot.active {
  background: var(--primary-color);
}

/* Home Banner 區域 */
.home-banner {
  margin: 5px 0;
}

.banner-container {
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.banner-item {
  position: relative;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 5px 0;
  width: 100%;
}

.banner-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
}

.banner-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 手機版 Banner 樣式 */
@media (max-width: 768px) {
  .banner-container {
    max-width: 100%;
    margin: 0;
    padding: 0 10px;
  }
  
  .banner-item {
    margin: 5px 0;
    border-radius: var(--border-radius);
  }
}

/* Footer Banner 區域 */
.footer-banner {
  margin: 5px 0 0 0;
}

.footer-banner .banner-container {
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.footer-banner .banner-item {
  position: relative;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 5px 0;
  width: 100%;
}

.footer-banner .banner-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
}

.footer-banner .banner-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 手機版 Footer Banner 樣式 */
@media (max-width: 768px) {
  .footer-banner .banner-container {
    max-width: 100%;
    margin: 0;
    padding: 0 10px;
  }
  
  .footer-banner .banner-item {
    margin: 5px 0;
    border-radius: var(--border-radius);
  }
}

/* Reader Banner 區域 */
.reader-banner {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--bg-color);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  margin: 5px 0;
}

.reader-banner-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 5px;
}

.reader-banner .banner-item {
  position: relative;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 5px 0;
  width: 100%;
  max-width: 680px;
}

.reader-banner .banner-item img {
  width: 100%;
  height: 100px;
  object-fit: contain;
  display: block;
  max-width: 100%;
  max-height: 100px;
}

.reader-banner .banner-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 手機版面調整 */
@media (max-width: 768px) {
  .reader-banner {
    width: 100%;
    left: 0;
    transform: none;
  }
  
  .reader-banner-container {
    width: 100%;
    max-width: 100%;
    padding: 8px;
  }
  
  .reader-banner .banner-item {
    width: 100%;
    max-width: 100%;
  }
  
  .reader-banner .banner-item img {
    height: 60px;
    width: 100%;
    object-fit: contain;
    max-width: 100%;
    max-height: 60px;
  }
}

/* 內容區域 */
.content {
  padding: var(--spacing-lg) 0;
}

.section-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--primary-color);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.genre-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.genre-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-lg);
  font-size: 0.875rem;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.genre-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--primary-color);
}

.genre-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* 載入動畫 */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 小說網格 */
.novel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.novel-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.novel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.novel-cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.novel-cover .novel-status {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.novel-cover .novel-status.ongoing {
  background: var(--success-color);
}

.novel-cover .novel-status.completed {
  background: var(--info-color);
}

.novel-cover .novel-status.paused {
  background: var(--warning-color);
}

.novel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.novel-card:hover .novel-cover img {
  transform: scale(1.05);
}

.novel-card .novel-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.novel-card .novel-author-wrap {
  order: 2;
}

.novel-card .novel-title-wrap {
  order: 1;
}


.novel-title-wrap {
  text-align: center;
}

.novel-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-color);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  display: inline-block;
}

.novel-author-wrap {
  text-align: center;
}

.novel-author {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  text-align: center;
  order: 1;
  display: inline-block;
}

.novel-author-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

.novel-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  order: 2;
}

.genre-tag {
  background-color: var(--primary-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  height: 1.5rem;
}

.novel-views,
.novel-chapters {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.novel-views:hover,
.novel-chapters:hover {
  background-color: var(--primary-color);
  color: white;
}

.novel-views i,
.novel-chapters i {
  font-size: 0.7rem;
  opacity: 0.8;
}

.novel-stats {
  display: inline-flex;
  gap: var(--spacing-xs);
  align-items: center;
  flex-wrap: nowrap;
}

.genre-tag {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-tag {
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-tag.ongoing {
  background-color: var(--success-color);
  color: white;
}

.status-tag.completed {
  background-color: var(--info-color);
  color: white;
}

.novel-synopsis {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.novel-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 分頁 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.pagination button {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

.pagination button:hover:not(:disabled) {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.pagination button.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 頁腳 */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: 0;
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* 響應式設計 */
@media (max-width: 768px) {
  .nav-container {
    flex-wrap: wrap;
  }
  
  .nav-search {
    order: 3;
    flex: 1 1 100%;
    margin: var(--spacing-md) 0 0;
    max-width: none;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.4;
  }
  
  .novel-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }
  
  .section-tabs {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .section-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .genre-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .genre-filter::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .novel-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .novel-card {
    min-height: auto;
  }
  
  .novel-card .novel-info {
    padding: var(--spacing-sm);
  }
  
  .novel-title {
    font-size: 0.875rem !important;
    line-height: 1.3;
    margin-bottom: calc(var(--spacing-xs) * 0.5);
    -webkit-line-clamp: 2;
  }
  
  .novel-author {
    font-size: 0.75rem !important;
    margin-bottom: calc(var(--spacing-xs) * 0.5);
  }
  
  .novel-meta {
    gap: calc(var(--spacing-xs) * 0.5);
    margin-bottom: calc(var(--spacing-xs) * 0.5);
  }
  
  .genre-tag {
    font-size: 0.625rem;
    padding: 0.125rem 0.25rem;
    height: 1.25rem;
  }
  
  .novel-views,
  .novel-chapters {
    font-size: 0.625rem;
    padding: 0.125rem 0.25rem;
  }
  
  .novel-views i,
  .novel-chapters i {
    font-size: 0.6rem;
  }
  
  .hero {
    padding: var(--spacing-lg) 0;
  }
  
  .hero-title {
    font-size: 1.5rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
    line-height: 1.4;
  }
}

/* 小說詳情頁樣式 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.novel-detail {
  display: grid;
  gap: var(--spacing-xl);
}

.novel-detail .novel-info {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.cover-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.novel-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.novel-meta .novel-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
  order: 1;
}

.novel-meta .novel-author {
  order: 2;
  margin-bottom: var(--spacing-sm);
}

.novel-meta .novel-genre {
  order: 3;
}

.novel-meta .novel-status {
  order: 4;
}

.novel-meta .novel-views {
  order: 5;
}

.novel-meta .novel-chapters-count {
  order: 6;
}

.novel-author,
.novel-genre,
.novel-status,
.novel-views,
.novel-chapters-count {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.novel-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.novel-content {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.content-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.tab-content {
  padding: var(--spacing-lg);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.synopsis {
  font-family: var(--font-family-serif);
  line-height: 1.8;
  color: var(--text-color);
  font-size: 1rem;
}

.chapter-list {
  max-height: 500px;
  overflow-y: auto;
}

.chapter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.chapter-sort {
  display: flex;
  gap: var(--spacing-xs);
}

.sort-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sort-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.chapters {
  list-style: none;
}

.chapters li {
  border-bottom: 1px solid var(--border-light);
}

.chapters li:last-child {
  border-bottom: none;
}

.chapters a {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-color);
  transition: var(--transition-fast);
}

.chapters a:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
  text-decoration: none;
}

.chapter-number {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-right: var(--spacing-sm);
}

/* 評論區塊樣式優化 */
.comments-section {
  background: var(--bg-color);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.comments-section h3 {
  color: var(--text-color);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-color);
  display: inline-block;
}

.comment-form {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-light);
}

.comment-form h4 {
  color: var(--text-color);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.comment-form h4::before {
  content: "💬";
  font-size: 1.2rem;
}

.comment-form textarea {
  width: 100%;
  min-height: 100px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
  resize: vertical;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: var(--spacing-md);
}

.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.comment-form textarea::placeholder {
  color: var(--text-muted);
}

.comments-list {
  max-height: 600px;
  overflow-y: auto;
  padding-right: var(--spacing-xs);
}

.comments-list::-webkit-scrollbar {
  width: 6px;
}

.comments-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
}

.comments-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.comments-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.comment {
  background: var(--bg-color);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.comment:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.comment:last-child {
  margin-bottom: 0;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

.comment-author {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.comment-author::before {
  content: "👤";
  font-size: 0.9rem;
}

.comment-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.comment-content {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  word-wrap: break-word;
}

.no-comments {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  font-style: italic;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border: 1px dashed var(--border-color);
}

.login-prompt {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-color));
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.login-prompt p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

/* 響應式設計 */
@media (max-width: 768px) {
  .comments-section {
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
  }
  
  .comment-form {
    padding: var(--spacing-md);
  }
  
  .comment {
    padding: var(--spacing-md);
  }
  
  .comment-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .comments-list {
    max-height: 400px;
  }
}

/* 閱讀器樣式 */
.reader-body {
  font-family: var(--font-family-serif);
  background-color: var(--bg-color);
}

.reader-header {
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.reader-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.reader-nav-left,
.reader-nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.reader-nav-center {
  flex: 1;
  text-align: center;
}

/* 桌面版隱藏手機版章節按鈕 */
#prev-chapter-btn-mobile,
#next-chapter-btn-mobile {
  display: none;
}

.reader-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
}

.reader-main {
  min-height: calc(100vh - 80px);
  padding: var(--spacing-xl) 0;
}

.reader-container {
  max-width: 90%;
  width: 90%;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .reader-container {
    max-width: 100%;
    width: 100%;
  }
}

.chapter-content {
  background-color: var(--bg-color);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-color);
}

.chapter-content h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--text-color);
}

.chapter-content p {
  margin-bottom: 1.5em;
  text-indent: 2em;
}

.chapter-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

/* 設定面板 */
.settings-panel,
.chapter-list-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background-color: var(--bg-color);
  border-left: 1px solid var(--border-color);
  z-index: 2000;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.settings-panel.active,
.chapter-list-panel.active {
  right: 0;
}

.settings-content,
.chapter-list-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.settings-header,
.chapter-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.settings-body,
.chapter-list-body {
  flex: 1;
  padding: var(--spacing-lg);
}

.setting-group {
  margin-bottom: var(--spacing-lg);
}

.setting-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-color);
}

.font-size-controls,
.theme-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-btn {
  flex: 1;
  text-align: center;
}

.theme-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.line-height-controls,
.paragraph-spacing-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.line-height-controls input,
.paragraph-spacing-controls input {
  flex: 1;
}

.reader-chapters {
  list-style: none;
}

.reader-chapters li {
  border-bottom: 1px solid var(--border-light);
}

.reader-chapters li:last-child {
  border-bottom: none;
}

.reader-chapters a {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-color);
  transition: var(--transition-fast);
}

.reader-chapters a:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
  text-decoration: none;
}

.reader-chapters a.current {
  background-color: var(--primary-color);
  color: white;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.close-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--text-color);
}

/* 覆蓋層 */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 認證頁面樣式 */
.auth-body {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.auth-container {
  width: 100%;
  max-width: 400px;
}

.auth-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
}

.auth-brand .logo {
  width: 48px;
  height: 48px;
}

.auth-card {
  background-color: var(--bg-color);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-card-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.auth-card-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.auth-form {
  margin-bottom: var(--spacing-lg);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.forgot-password {
  color: var(--primary-color);
  font-size: 0.875rem;
}

.auth-divider {
  text-align: center;
  margin: var(--spacing-lg) 0;
  position: relative;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
  z-index: 1;
}

.auth-divider span {
  background-color: var(--bg-color);
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

.auth-links {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-links a {
  color: var(--primary-color);
  font-weight: 500;
}

.auth-footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.auth-footer a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* 訊息提示 */
.message {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  max-width: 400px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

.message.success {
  border-color: var(--success-color);
}

.message.error {
  border-color: var(--danger-color);
}

.message.warning {
  border-color: var(--warning-color);
}

.message-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
}

.message-text {
  color: var(--text-color);
  font-size: 0.875rem;
}

.message-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  margin-left: var(--spacing-md);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 作者後台樣式 */
.dashboard-main {
  background-color: var(--bg-secondary);
}

.dashboard-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.stat-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
}

.stat-content p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.dashboard-section {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

.novels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.dashboard-novel-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  overflow: hidden;
  box-sizing: border-box;
}

.dashboard-novel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.novel-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.novel-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
}

.novel-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.novel-card-meta span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.novel-card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

@media (max-width: 1024px) {
  .novel-card-actions {
    flex-direction: column;
  }
  
  .novel-card-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 1025px) {
  .novel-card-actions {
    justify-content: flex-start;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: nowrap;
    width: 100%;
    box-sizing: border-box;
  }
  
  .novel-card-actions .btn {
    flex: 1;
    min-width: 0;
    max-width: 100px;
    white-space: nowrap;
    text-align: center;
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
  }
  
  .dashboard-novel-card {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
  }
  
  .novel-card-actions {
    margin-top: auto;
    width: 100%;
  }
}

/* 模態框樣式 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-large {
  max-width: 800px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-form {
  padding: var(--spacing-lg);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* 頭像上傳模態框樣式 */
#avatar-upload-modal .modal-content {
  max-width: 450px;
  padding: var(--spacing-lg);
}

#avatar-upload-modal .modal-body {
  padding: var(--spacing-md) 0;
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background-color: var(--bg-secondary);
  margin: var(--spacing-md) 0;
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--primary-color);
  background-color: rgba(94, 114, 228, 0.05);
}

.upload-area i {
  font-size: 2.5rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.upload-area p {
  margin: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.upload-area .upload-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preview-area {
  text-align: center;
  display: none;
  padding: var(--spacing-md);
}

.preview-area img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.avatar-upload-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.profile-avatar-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.avatar-upload-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.avatar-upload-btn:hover {
  background-color: var(--primary-hover);
  transform: scale(1.1);
}

.profile-avatar {
  position: relative;
  display: inline-block;
}

.profile-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-color);
}

.profile-avatar i {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.profile-avatar-initial {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  text-transform: uppercase;
  border: 3px solid var(--border-color);
  color: var(--text-muted);
  border: 3px solid var(--border-color);
}

/* Dark mode 支援 */
[data-theme="dark"] .upload-area {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .upload-area:hover,
[data-theme="dark"] .upload-area.drag-over {
  border-color: var(--primary-color);
  background-color: rgba(94, 114, 228, 0.1);
}

[data-theme="dark"] .preview-image,
[data-theme="dark"] .profile-avatar img,
[data-theme="dark"] .profile-avatar i {
  border-color: var(--border-color);
}

/* 作者介紹版面樣式 */
.author-intro {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-sm);
}

.author-intro-header {
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
}

.author-intro-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
}

.author-intro-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.author-avatar-section {
  flex-shrink: 0;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--text-muted);
  border: 3px solid var(--border-color);
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.author-avatar.author-avatar-initial {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 2rem;
  font-weight: bold;
  text-transform: uppercase;
}

.author-info-section {
  flex: 1;
}

.author-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.author-bio {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.author-bio p {
  margin: 0;
}

.author-stats {
  display: flex;
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* 響應式設計 */
@media (max-width: 768px) {
  .author-intro-content {
    flex-direction: column;
    text-align: center;
  }
  
  .author-stats {
    justify-content: center;
  }
}

/* Dark mode 支援 */
[data-theme="dark"] .author-intro {
  background-color: var(--bg-color);
  border-color: var(--border-color);
}

[data-theme="dark"] .author-avatar {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
}

/* 作者介紹Tab內容樣式 */
.author-intro-content {
  padding: var(--spacing-xl);
}

.author-profile {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.author-avatar-large {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  flex-shrink: 0;
  border: 4px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.author-avatar-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.author-avatar-large.author-avatar-initial {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 3rem;
  font-weight: bold;
  text-transform: uppercase;
}

.author-details {
  flex: 1;
  min-width: 0;
}

.author-name-large {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-color);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.2;
}

.author-bio-large {
  margin-bottom: var(--spacing-lg);
}

.author-bio-large p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.author-stats-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.stat-item-large {
  background: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-item-large:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.stat-label-large {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.stat-value-large {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

/* 響應式設計 - 作者介紹Tab */
@media (max-width: 768px) {
  .author-profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .author-avatar-large {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .author-name-large {
    font-size: 1.5rem;
  }
  
  .author-stats-large {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .author-intro-content {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .author-avatar-large {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }
  
  .author-name-large {
    font-size: 1.25rem;
  }
  
  .stat-value-large {
    font-size: 1.25rem;
  }
}
}

.chapters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.chapters-list {
  max-height: 400px;
  overflow-y: auto;
}

.chapter-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}

.chapter-item:last-child {
  border-bottom: none;
}

.chapter-info {
  flex: 1;
}

.chapter-item-title {
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
}

.chapter-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chapter-actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* 響應式設計補充 */
@media (max-width: 768px) {
  .novel-detail .novel-info {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-align: center;
  }
  
  .novel-cover {
    order: -1;
    margin-bottom: var(--spacing-md);
  }
  
  .cover-image {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
  }
  
  .novel-meta {
    gap: var(--spacing-sm);
    order: 1;
  }
  
  .novel-meta .novel-title {
    font-size: 1.5rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    order: 1;
  }
  
  .novel-author {
    order: 2;
  }
  
  .novel-genre {
    order: 3;
  }
  
  .novel-status {
    order: 4;
  }
  
  .novel-views {
    order: 5;
  }
  
  .novel-author,
  .novel-genre,
  .novel-status,
  .novel-views {
    white-space: nowrap;
    text-align: center;
    gap: 0;
  }
  
  .novel-author span,
  .novel-genre span,
  .novel-status span,
  .novel-views span {
    display: inline;
  }
  
  .author-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .author-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
  }
  
  .novel-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    order: 6;
  }
  
  .novel-actions .btn {
    width: 100%;
    max-width: 200px;
  }
  
  .chapter-navigation {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .reader-nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .reader-nav-left,
  .reader-nav-right {
    justify-content: center;
  }
  
  /* 手機版顯示導航欄中的章節按鈕 */
  #prev-chapter-btn-mobile,
  #next-chapter-btn-mobile {
    display: inline-block;
  }
  
  /* 手機版隱藏底部的章節導航 */
  .chapter-navigation {
    display: none !important;
  }
  
  .settings-panel,
  .chapter-list-panel {
    width: 100%;
    right: -100%;
  }
  
  .auth-container {
    max-width: 100%;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
  
  .novels-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-md);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .chapter-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .chapter-actions {
    align-self: stretch;
    justify-content: center;
  }
}

/* 閱讀器主題樣式 */
.theme-light {
    --reader-bg: #ffffff;
    --reader-text: #333333;
    --reader-secondary: #666666;
    --reader-border: #e0e0e0;
    --reader-panel-bg: #f8f9fa;
}

.theme-dark {
    --reader-bg: #1a1a1a;
    --reader-text: #e0e0e0;
    --reader-secondary: #b0b0b0;
    --reader-border: #333333;
    --reader-panel-bg: #2d2d2d;
}

.theme-sepia {
    --reader-bg: #f4f1e8;
    --reader-text: #5c4b37;
    --reader-secondary: #8b7355;
    --reader-border: #d4c4a8;
    --reader-panel-bg: #ede6d3;
}

/* 閱讀器主體樣式 */
.reader-body {
    background-color: var(--reader-bg, #ffffff);
    color: var(--reader-text, #333333);
    transition: all 0.3s ease;
}

.reader-header {
    background-color: var(--reader-panel-bg, #f8f9fa);
    border-bottom: 1px solid var(--reader-border, #e0e0e0);
}

.chapter-content {
    background-color: var(--reader-bg, #ffffff);
    color: var(--reader-text, #333333);
    margin: 0 auto;
    padding: 2rem;
    max-width: 80%;
    width: 80%;
}

@media (max-width: 768px) {
    .chapter-content {
        max-width: 90%;
        width: 90%;
        padding: 1rem;
    }
}

.chapter-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* 設定面板樣式 */
.settings-panel,
.chapter-list-panel {
    background-color: var(--reader-panel-bg, #f8f9fa);
    border-left: 1px solid var(--reader-border, #e0e0e0);
    color: var(--reader-text, #333333);
}

.theme-btn {
    background-color: var(--reader-panel-bg, #f8f9fa);
    color: var(--reader-text, #333333);
    border: 1px solid var(--reader-border, #e0e0e0);
}

.theme-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 章節列表樣式 */
.chapter-list-item {
    border-bottom: 1px solid var(--reader-border, #e0e0e0);
}

.chapter-list-item.current {
    background-color: var(--primary-color);
}

.chapter-list-item.current .chapter-link {
    color: white;
}

.chapter-link {
    color: var(--reader-text, #333333);
    text-decoration: none;
    display: block;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s ease;
}

.chapter-link:hover {
    background-color: var(--reader-border, #e0e0e0);
}

.no-chapters {
    text-align: center;
    color: var(--reader-secondary, #666666);
    padding: 2rem;
    font-style: italic;
}

/* Modal 樣式 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--bg-color);
  margin: auto;
  padding: 0;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header h2 {
  margin: 0;
  color: var(--text-color);
  font-size: 1.5rem;
  font-weight: 600;
}

.close-btn {
  color: var(--text-secondary);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.close-btn:hover,
.close-btn:focus {
  color: var(--danger-color);
  background-color: var(--bg-tertiary);
}

.modal-body {
  padding: var(--spacing-lg);
  line-height: 1.6;
}

.modal-body p {
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

.modal-body h4 {
  color: var(--primary-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.modal-body ul,
.modal-body ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.modal-body li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-color);
}

/* Modal 動畫 */
@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Dark Mode Modal 樣式 */
[data-theme="dark"] .modal-content {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-header {
  background-color: var(--bg-secondary);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .close-btn:hover,
[data-theme="dark"] .close-btn:focus {
  background-color: var(--bg-tertiary);
}

/* 響應式設計 */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    max-height: 90vh;
    margin: var(--spacing-md);
  }
  
  .modal-header,
  .modal-body {
    padding: var(--spacing-md);
  }
  
  .modal-header h2 {
    font-size: 1.25rem;
  }
}

/* ==================== 用戶管理頁面樣式 ==================== */
.user-main {
  min-height: calc(100vh - 80px);
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.user-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.user-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  /* 移除漸層覆蓋文字，直接使用主文字色，避免白底看不到 */
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  background-clip: initial;
  color: var(--text-color);
}

.user-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.user-content {
  max-width: 800px;
  margin: 0 auto;
}

.user-profile-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.profile-header {
  /* 改為淺底深字以提高日間模式可讀性 */
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  color: var(--text-color);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-color);
}

.profile-info h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.profile-role {
  font-size: 1rem;
  opacity: 0.9;
  background: var(--bg-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  color: var(--text-color);
}

.profile-ip {
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.1rem;
  font-weight: 500;
}

.profile-ip .ip-label {
  color: var(--text-secondary);
  font-weight: 400;
}

.profile-ip .ip-amount {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.3rem;
}

.profile-ip .ip-unit {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.9rem;
}

.user-form {
  padding: var(--spacing-xl);
}

.form-section {
  margin-bottom: var(--spacing-xl);
}

.form-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-color);
  position: relative;
}

.form-section h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--accent-color);
}

.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-group input.editing {
  border-color: var(--accent-color);
  background: var(--bg-secondary);
}

.form-group input[readonly] {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: not-allowed;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.user-form .btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.85rem;
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  margin-top: 1.2rem;
}

.ip-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  /* IP 顯示區塊：淺底深字，邊框加強對比 */
  background: var(--bg-secondary);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-weight: 600;
}

.ip-display #ip-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
}

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

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.form-actions .btn {
  min-width: 120px;
}

/* 訊息提示樣式 */
.message {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  max-width: 400px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
}

.message.success {
  background: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
}

.message.error {
  background: #f8d7da;
  border: 1px solid #f5c6cb;
  color: #721c24;
}

.message.info {
  background: #d1ecf1;
  border: 1px solid #bee5eb;
  color: #0c5460;
}

.message-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
}

.message-text {
  flex: 1;
  font-weight: 500;
}

.message-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  margin-left: var(--spacing-sm);
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.message-close:hover {
  opacity: 1;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 響應式設計 */
@media (max-width: 768px) {
  .user-header h1 {
    font-size: 2rem;
  }
  
  .profile-header {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .profile-avatar {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }
  
  .user-form {
    padding: var(--spacing-lg);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  .btn-sm {
    position: static;
    transform: none;
    margin-top: var(--spacing-sm);
    align-self: flex-start;
  }
  
  .message {
    left: 20px;
    right: 20px;
    max-width: none;
  }
}

/* 深色主題適配 */
[data-theme="dark"] .user-main {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* 夜間模式維持原本高對比深底淺字 */
[data-theme="dark"] .profile-header {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #fff;
}

[data-theme="dark"] .profile-avatar {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

[data-theme="dark"] .profile-role {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

[data-theme="dark"] .ip-display {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #fff;
  border: none;
}

[data-theme="dark"] .message.success {
  background: #1e4d2b;
  border-color: #2d5a3d;
  color: #a3d9a5;
}

[data-theme="dark"] .message.error {
  background: #4d1e1e;
  border-color: #5a2d2d;
  color: #d9a3a3;
}

[data-theme="dark"] .message.info {
  background: #1e3a4d;
  border-color: #2d4a5a;
  color: #a3c9d9;
}

/* 書櫃頁面樣式 */
.library-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.library-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.library-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.library-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 書櫃小說網格 - 參考首頁設計 */
.library-novels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.library-novels .novel-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.library-novels .novel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.library-novels .novel-cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.library-novels .novel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.library-novels .novel-card:hover .novel-cover img {
  transform: scale(1.05);
}

.library-novels .novel-status {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  backdrop-filter: blur(4px);
}

.library-novels .novel-status.ongoing {
  background: var(--success-color);
}

.library-novels .novel-status.completed {
  background: var(--info-color);
}

.library-novels .novel-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.library-novels .novel-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: center;
}

.library-novels .novel-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.library-novels .novel-title a:hover {
  color: var(--primary-color);
}

.library-novels .novel-author {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.library-novels .novel-genre {
  display: inline-block;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  align-self: center;
}

.library-novels .novel-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.library-novels .novel-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.library-novels .novel-chapters,
.library-novels .novel-views {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.library-novels .novel-chapters:hover,
.library-novels .novel-views:hover {
  background-color: var(--primary-color);
  color: white;
}

.library-novels .novel-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: auto;
}

.library-novels .novel-actions .btn {
  flex: 1;
  text-align: center;
  font-size: 0.875rem;
  padding: var(--spacing-sm) var(--spacing-xs);
}

/* 空書櫃樣式 */
.empty-library {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.empty-state {
  max-width: 400px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.6;
}

.empty-library h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-md);
}

.empty-library p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* 響應式設計 */
@media (max-width: 768px) {
  .library-novels {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }
  
  .library-stats {
    padding: var(--spacing-md);
  }
  
  .library-header h1 {
    font-size: 2rem;
  }
  
  .library-novels .novel-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .library-novels .novel-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .library-novels {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .library-novels .novel-card {
    min-height: auto;
  }
  
  .library-novels .novel-info {
    padding: var(--spacing-sm);
  }
  
  .library-novels .novel-title {
    font-size: 0.875rem;
    line-height: 1.3;
    margin-bottom: calc(var(--spacing-xs) * 0.5);
    -webkit-line-clamp: 2;
  }
  
  .library-novels .novel-author {
    font-size: 0.75rem;
    margin-bottom: calc(var(--spacing-xs) * 0.5);
  }
  
  .library-novels .novel-genre {
    font-size: 0.625rem;
    padding: 0.125rem 0.25rem;
  }
  
  .library-novels .novel-actions {
    gap: calc(var(--spacing-xs) * 0.5);
  }
  
  .library-novels .novel-actions .btn {
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
  }
}

/* 新鮮評論區域樣式 */
.fresh-comments-section {
  padding: var(--spacing-xl) 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.fresh-comments-section .section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.fresh-comments-section .section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.fresh-comments-section .section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin: 0;
}

.fresh-comments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.comment-card {
  background: var(--bg-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.comment-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.comment-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.comment-avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
  border: 2px solid var(--border-color);
}

.comment-user-info {
  flex: 1;
}

.comment-username {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
}

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

.comment-content {
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.comment-novel {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.comment-novel-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.comment-novel-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.comment-novel-link::before {
  content: '📖';
  margin-right: var(--spacing-xs);
}

/* 響應式設計 */
@media (max-width: 768px) {
  .fresh-comments-section {
    padding: var(--spacing-lg) 0;
  }
  
  .fresh-comments-section .section-header h2 {
    font-size: 2rem;
  }
  
  .fresh-comments-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .comment-card {
    padding: var(--spacing-sm);
  }
  
  .comment-avatar {
    width: 28px;
    height: 28px;
    margin-right: var(--spacing-xs);
  }
  
  .comment-username {
    font-size: 0.75rem;
  }
  
  .comment-time {
    font-size: 0.625rem;
  }
  
  .comment-content {
    font-size: 0.75rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .comment-novel-link {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .fresh-comments-section .section-header h2 {
    font-size: 1.75rem;
  }
  
  .fresh-comments-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }
  
  .comment-card {
    padding: var(--spacing-xs);
  }
  
  .comment-header {
    margin-bottom: var(--spacing-xs);
  }
  
  .comment-avatar {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-xs);
  }
  
  .comment-username {
    font-size: 0.7rem;
  }
  
  .comment-time {
    font-size: 0.6rem;
  }
  
  .comment-content {
    font-size: 0.7rem;
    margin-bottom: var(--spacing-xs);
  }
  
  .comment-novel-link {
    font-size: 0.7rem;
  }
}