/* ======================= */
/* 小说阅读网 - 全局样式     */
/* 布局参考fanqienovel        */
/* 配色：低饱和深海蓝 #165DFF */
/* ======================= */
:root {
  --bg: #F5F7FA;
  --card-bg: #fff;
  --text: #1D2129;
  --text-secondary: #86909C;
  --text-tertiary: #B0B8C4;
  --border: #E5E6EB;
  --primary: #165DFF;
  --primary-light: #4080FF;
  --primary-bg: #F0F5FF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.1);
  --danger: #F53F3F;
  --success: #00B42A;
  --warning: #FF7D00;
}
body {
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { text-decoration:none; color:inherit; }

/* 按钮系统 */
.btn { display:inline-flex; align-items:center; justify-content:center; padding:8px 20px; border-radius:var(--radius-sm); font-size:14px; font-weight:500; border:none; cursor:pointer; transition:all .2s; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-light); transform:translateY(-1px); box-shadow:0 4px 12px rgba(22,93,255,.3); }
.btn-text { background:transparent; color:var(--text); }
.btn-text:hover { background:var(--primary-bg); }
.btn-sm { padding:4px 12px; font-size:12px; }
.btn-lg { padding:12px 32px; font-size:16px; border-radius:var(--radius); }
.btn-block { width:100%; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-success { background:var(--success); color:#fff; }
.btn:disabled { opacity:.5; cursor:not-allowed; transform:none; }

/* 顶部导航 - 固定白色导航栏 */
.top-nav {
  position:fixed; top:0; left:0; right:0; height:60px;
  background:#fff; border-bottom:1px solid var(--border);
  z-index:100; display:flex; align-items:center; justify-content:center;
}
.top-nav-inner {
  width:100%; max-width:1200px; height:100%;
  display:flex; align-items:center; padding:0 24px;
}
.nav-logo { font-size:20px; font-weight:700; color:var(--primary); margin-right:40px; }
.nav-links { display:flex; align-items:center; gap:0; height:100%; }
.nav-link {
  display:flex; align-items:center; height:100%;
  padding:0 20px; font-size:15px; color:var(--text-secondary);
  border-bottom:2px solid transparent; transition:all .2s;
  text-decoration:none;
}
.nav-link:hover { color:var(--text); }
.nav-link.active { color:var(--text); border-bottom-color:var(--primary); font-weight:600; }
.nav-search {
  margin-left:auto; display:flex; align-items:center;
  background:var(--bg); border-radius:20px; padding:0 16px; height:36px;
}
.nav-search input {
  border:none; background:transparent; outline:none;
  font-size:14px; width:180px; color:var(--text);
}
.nav-search input::placeholder { color:var(--text-tertiary); }
.nav-search .search-icon { font-size:16px; color:var(--text-tertiary); }

/* 主容器 */
.app-container { max-width:1200px; margin:0 auto; min-height:100vh; padding-top:80px; padding-bottom:40px; padding-left:24px; padding-right:24px; }

/* 分类Tab栏 */
.category-tabs {
  display:flex; gap:0; margin-bottom:24px;
  border-bottom:1px solid var(--border); overflow-x:auto;
  -webkit-overflow-scrolling:touch; scrollbar-width:none;
}
.category-tabs::-webkit-scrollbar { display:none; }
.category-tab {
  flex-shrink:0; padding:12px 20px; font-size:14px; color:var(--text-secondary);
  cursor:pointer; border-bottom:2px solid transparent; transition:all .2s;
  white-space:nowrap; background:none; border-top:none; border-left:none; border-right:none;
}
.category-tab:hover { color:var(--text); }
.category-tab.active { color:var(--text); font-weight:600; border-bottom-color:var(--primary); }

/* 小说网格 - 5列大留白布局 */
.novel-grid {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px; margin-bottom:32px;
}
.novel-card {
  background:#fff; border-radius:var(--radius); overflow:hidden;
  transition:transform .2s, box-shadow .2s; cursor:pointer;
}
.novel-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.novel-cover {
  position:relative; width:100%; padding-bottom:133%;
  background:var(--bg); overflow:hidden;
}
.novel-cover img { position:absolute; top:0; left:0; width:100%; height:100%; object-fit:cover; }
.novel-cover .cover-fallback {
  position:absolute; top:0; left:0; width:100%; height:100%;
  display:flex; align-items:center; justify-content:center;
  font-size:42px; font-weight:700; color:#fff;
}
.cover-badge {
  position:absolute; top:8px; left:8px;
  padding:2px 8px; border-radius:4px;
  font-size:11px; font-weight:600; color:#fff;
  z-index:2;
}
.cover-badge.hot { background:var(--primary); }
.cover-badge.recommend { background:#722ED1; }
.cover-badge.new { background:var(--success); }
.novel-info { padding:12px 12px 14px; }
.novel-info h4 { font-size:14px; font-weight:600; margin-bottom:4px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.novel-info p { font-size:12px; color:var(--text-secondary); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* 文字块卡片模式 */
.novel-cover-text-block {
  position:relative; width:100%; padding-bottom:133%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  transition:transform .2s;
}
.novel-cover-text-block .block-initial { font-size:48px; font-weight:800; color:rgba(255,255,255,.95); text-shadow:0 2px 12px rgba(0,0,0,.15); line-height:1; margin-bottom:8px; }
.novel-cover-text-block .block-title { font-size:14px; font-weight:600; color:rgba(255,255,255,.9); text-align:center; padding:0 12px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:100%; }
.novel-cover-text-block .block-author { font-size:11px; color:rgba(255,255,255,.65); margin-top:4px; }
.novel-cover-text-block .block-badge { position:absolute; top:8px; right:8px; padding:2px 8px; border-radius:10px; font-size:10px; font-weight:600; background:rgba(255,255,255,.2); color:#fff; backdrop-filter:blur(4px); }
.block-bg-blue { background:linear-gradient(135deg,#165DFF,#4080FF); }
.block-bg-teal { background:linear-gradient(135deg,#04868B,#12B8C0); }
.block-bg-purple { background:linear-gradient(135deg,#722ED1,#B37FEB); }
.block-bg-orange { background:linear-gradient(135deg,#D46B08,#FA8C16); }
.block-bg-red { background:linear-gradient(135deg,#CB2E2E,#F37370); }
.block-bg-green { background:linear-gradient(135deg,#389E0D,#73D13D); }
.block-bg-pink { background:linear-gradient(135deg,#C41D7F,#FF85C0); }
.block-bg-indigo { background:linear-gradient(135deg,#1D39C4,#597EF7); }

/* 底部导航（移动端） */
.bottom-nav { display:none; }
@media (max-width:768px) {
  .bottom-nav { display:flex; position:fixed; bottom:0; left:0; right:0; background:#fff; border-top:1px solid var(--border); justify-content:space-around; padding:8px 0 12px; z-index:100; }
  .bottom-nav .nav-item { display:flex; flex-direction:column; align-items:center; gap:2px; color:var(--text-secondary); font-size:11px; transition:color .2s; text-decoration:none; }
  .bottom-nav .nav-item.active { color:var(--primary); }
  .bottom-nav .nav-icon { font-size:22px; line-height:1; }
}

/* Hero区 */
.hero { text-align:center; padding:60px 20px 40px; background:linear-gradient(135deg,var(--primary-bg),#E8F4FF); margin-bottom:24px; border-radius:var(--radius); }
.hero h2 { font-size:28px; font-weight:700; margin-bottom:8px; }
.hero p { color:var(--text-secondary); margin-bottom:24px; font-size:16px; }

/* 分区标题 */
.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.section-header h3 { font-size:18px; font-weight:600; }

/* 弹窗 */
.modal-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.5); display:flex; align-items:center; justify-content:center; z-index:1000; animation:fadeIn .2s; }
.modal-box { background:#fff; border-radius:var(--radius); padding:32px 24px 24px; width:90%; max-width:400px; box-shadow:0 8px 32px rgba(0,0,0,.12); }
.modal-title { font-size:18px; font-weight:600; margin-bottom:12px; text-align:center; }
.modal-body { font-size:14px; color:var(--text-secondary); margin-bottom:24px; text-align:center; }
.modal-actions { display:flex; gap:12px; justify-content:center; }
@keyframes fadeIn { from { opacity:0; transform:scale(.95); } to { opacity:1; transform:scale(1); } }

/* 空状态 */
.empty-state { text-align:center; padding:60px 20px; color:var(--text-secondary); }
.empty-state .empty-icon { font-size:48px; margin-bottom:16px; }
.empty-state p { font-size:14px; }

/* 标签 */
.tag { display:inline-block; padding:2px 8px; border-radius:4px; font-size:11px; font-weight:500; }
.tag-blue { background:var(--primary-bg); color:var(--primary); }
.tag-gray { background:#F2F3F5; color:var(--text-secondary); }
.tag-red { background:#FFF0F0; color:var(--danger); }
.tag-green { background:#E8FFE8; color:var(--success); }

/* 用户卡片 */
.user-card { background:linear-gradient(135deg,var(--primary),#6B9FFF); color:#fff; border-radius:var(--radius); padding:24px; margin-bottom:20px; box-shadow:0 4px 16px rgba(22,93,255,.2); }
.user-card .user-name { font-size:20px; font-weight:700; margin-bottom:4px; }
.user-card .user-status { font-size:13px; opacity:.9; margin-bottom:16px; }
.user-card .user-stats { display:flex; gap:20px; }
.user-card .stat-item { text-align:center; }
.user-card .stat-value { font-size:20px; font-weight:700; }
.user-card .stat-label { font-size:12px; opacity:.8; }

/* 功能区 */
.menu-section { margin-bottom:20px; }
.menu-section h3 { font-size:16px; font-weight:600; margin-bottom:12px; color:var(--text-secondary); }
.menu-list { background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; }
.menu-item { display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--border); transition:background .2s; cursor:pointer; }
.menu-item:last-child { border-bottom:none; }
.menu-item:hover { background:var(--primary-bg); }
.menu-item-left { display:flex; align-items:center; gap:12px; }
.menu-item-icon { font-size:20px; }
.menu-item-title { font-size:14px; font-weight:500; }
.menu-item-arrow { color:var(--text-secondary); font-size:16px; }

/* 阅读页 */
.read-container { background:#fff; min-height:100vh; }
.read-header { position:sticky; top:0; z-index:10; background:#fff; border-bottom:1px solid var(--border); padding:12px 24px; display:flex; align-items:center; gap:16px; max-width:840px; margin:0 auto; }
.read-header .back-btn { font-size:20px; cursor:pointer; }
.read-header .read-title { font-size:16px; font-weight:600; flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.read-content { padding:32px 24px; max-width:800px; margin:0 auto; font-size:17px; line-height:1.9; color:#333; }

/* 详情页 */
.detail-page { background:#fff; }
.detail-hero { display:flex; gap:32px; padding:32px 24px; max-width:800px; margin:0 auto; }
.detail-cover { width:160px; height:213px; border-radius:var(--radius-sm); flex-shrink:0; position:relative; overflow:hidden; }
.detail-cover img { width:100%; height:100%; object-fit:cover; }
.detail-cover .cover-fallback { width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-size:56px; font-weight:700; color:#fff; }
.detail-info { flex:1; }
.detail-info h1 { font-size:24px; font-weight:700; margin-bottom:4px; }
.detail-info .author { font-size:14px; color:var(--text-secondary); margin-bottom:12px; }
.detail-info .desc { font-size:14px; color:var(--text-secondary); line-height:1.7; margin-bottom:20px; }
.detail-tags { display:flex; gap:8px; margin-bottom:20px; }
.detail-actions { display:flex; gap:12px; }
.detail-actions .btn { padding:10px 32px; border-radius:var(--radius-sm); font-size:15px; }

/* 分页 */
.pagination { display:flex; justify-content:center; align-items:center; gap:8px; padding:20px; }
.page-btn { padding:6px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:#fff; font-size:14px; cursor:pointer; transition:all .2s; }
.page-btn:hover { border-color:var(--primary); color:var(--primary); }
.page-btn.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.page-btn:disabled { opacity:.4; cursor:not-allowed; }

/* 表单 */
.card-form { background:#fff; border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); margin-bottom:20px; }
.card-form h3 { font-size:18px; font-weight:600; margin-bottom:20px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:14px; font-weight:500; margin-bottom:6px; color:var(--text); }
.form-input { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); font-size:14px; outline:none; transition:border-color .2s; }
.form-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(22,93,255,.1); }
.form-hint { font-size:12px; color:var(--text-secondary); margin-top:4px; }

/* 后台样式 - 保持不变 */
.admin-layout { display:flex; min-height:100vh; }
.admin-sidebar { width:220px; background:#1d2129; color:#fff; padding:20px 0; flex-shrink:0; }
.admin-sidebar .sidebar-logo { padding:0 20px 20px; font-size:18px; font-weight:700; border-bottom:1px solid rgba(255,255,255,.1); margin-bottom:12px; }
.admin-sidebar .sidebar-link { display:block; padding:12px 20px; color:rgba(255,255,255,.7); font-size:14px; transition:all .2s; }
.admin-sidebar .sidebar-link:hover,.admin-sidebar .sidebar-link.active { background:rgba(255,255,255,.08); color:#fff; }
.admin-main { flex:1; padding:24px; background:var(--bg); overflow:auto; }
.admin-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.admin-header h2 { font-size:20px; font-weight:600; }
.admin-table { width:100%; background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; }
.admin-table table { width:100%; border-collapse:collapse; }
.admin-table th,.admin-table td { padding:12px 16px; text-align:left; font-size:13px; border-bottom:1px solid var(--border); }
.admin-table th { background:var(--primary-bg); font-weight:600; color:var(--text); }
.admin-table tr:hover td { background:#fafbfc; }
.stat-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:#fff; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); }
.stat-card .stat-title { font-size:13px; color:var(--text-secondary); margin-bottom:8px; }
.stat-card .stat-number { font-size:28px; font-weight:700; color:var(--text); }
.admin-form { background:#fff; border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); max-width:600px; }
.admin-form .form-group { margin-bottom:20px; }
.admin-form label { display:block; font-size:14px; font-weight:500; margin-bottom:6px; }
.admin-form .form-input,.admin-form select,.admin-form textarea { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); font-size:14px; outline:none; }
.admin-form .form-input:focus,.admin-form select:focus,.admin-form textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(22,93,255,.1); }
.admin-form textarea { min-height:100px; resize:vertical; }

/* 响应式 */
@media (max-width:1024px) {
  .novel-grid { grid-template-columns:repeat(4,1fr); gap:16px; }
}
@media (max-width:768px) {
  .app-container { padding-top:16px; padding-left:16px; padding-right:16px; }
  .top-nav { display:none; }
  .novel-grid { grid-template-columns:repeat(3,1fr); gap:12px; }
  .hero { padding:32px 16px 24px; }
  .hero h2 { font-size:22px; }
  .detail-hero { flex-direction:column; align-items:center; text-align:center; padding:20px 16px; }
  .detail-cover { width:130px; height:173px; }
  .detail-actions { justify-content:center; }
  .admin-sidebar { width:60px; overflow:hidden; }
  .admin-sidebar .sidebar-link span { display:none; }
  .admin-sidebar .sidebar-logo { font-size:14px; padding:0 12px 16px; }
}
@media (max-width:480px) {
  .novel-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
}