/* 广东清远谭氏族谱网 - 主样式表 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --primary-color: #8B4513;
  --primary-dark: #654321;
  --primary-light: #D2B48C;
  --gold: #C9A84C;
  --gold-light: #F0D890;
  --red: #B22222;
  --red-dark: #8B0000;
  --bg-color: #FDF5E6;
  --bg-dark: #F5DEB3;
  --text-color: #3E2723;
  --text-light: #6D4C41;
  --border-color: #C9A84C;
  --card-bg: #FFF8F0;
  --shadow: 0 4px 15px rgba(139, 69, 19, 0.15);
  --shadow-lg: 0 8px 30px rgba(139, 69, 19, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  background-image: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 50px,
      rgba(201, 168, 76, 0.03) 50px,
      rgba(201, 168, 76, 0.03) 51px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 50px,
      rgba(201, 168, 76, 0.03) 50px,
      rgba(201, 168, 76, 0.03) 51px
    );
}

/* 顶部导航栏 */
.header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
  color: var(--gold-light);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--gold-light);
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--primary-dark);
  border: 2px solid var(--gold-light);
  box-shadow: 0 0 10px rgba(201, 168, 76, 0.5);
}

.logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-links {
  display: flex;
  gap: 5px;
}

.nav-links a {
  color: var(--gold-light);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(201, 168, 76, 0.2);
  border-color: var(--gold);
}

/* 移动端汉堡菜单 */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 18px;
}

/* 首页样式 */
.hero-section {
  text-align: center;
  padding: 60px 20px 40px;
  background: linear-gradient(180deg, rgba(139, 69, 19, 0.08) 0%, transparent 100%);
}

.hero-section h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 42px;
  color: var(--primary-dark);
  margin-bottom: 10px;
  letter-spacing: 6px;
}

.hero-section .subtitle {
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 30px;
}

.decorative-line {
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 15px auto;
}

.hero-desc {
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* 功能入口卡片 */
.entry-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.entry-card {
  background: var(--card-bg);
  border: 2px solid var(--primary-light);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.entry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--primary-dark), var(--gold));
}

.entry-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}

.entry-card .card-icon {
  font-size: 50px;
  margin-bottom: 20px;
  display: block;
}

.entry-card .card-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.entry-card .card-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 30px 20px;
  margin-top: 60px;
  border-top: 1px solid var(--primary-light);
  color: var(--text-light);
  font-size: 13px;
}

/* PDF 查看器样式 */
.pdf-viewer-container {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
}

.pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px;
  background: var(--card-bg);
  border: 1px solid var(--primary-light);
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.pdf-toolbar button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.pdf-toolbar button:hover {
  background: var(--primary-dark);
}

.pdf-toolbar button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.pdf-toolbar .page-info {
  font-size: 14px;
  color: var(--text-color);
  min-width: 100px;
  text-align: center;
}

.pdf-canvas-container {
  display: flex;
  justify-content: center;
  background: white;
  border: 1px solid var(--primary-light);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  min-height: 600px;
  align-items: flex-start;
  overflow: auto;
}

.pdf-canvas-container canvas {
  max-width: 100%;
  height: auto;
}

.pdf-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  font-size: 16px;
}

/* 世代图谱样式 */
.tree-container {
  position: relative;
  overflow: hidden;
  height: calc(100vh - 70px);
  background: 
    radial-gradient(circle at 50% 0%, rgba(139, 69, 19, 0.06) 0%, transparent 50%),
    var(--bg-color);
}

.tree-controls {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tree-controls button {
  width: 40px;
  height: 40px;
  background: var(--card-bg);
  border: 1px solid var(--primary-light);
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

.tree-controls button:hover {
  background: var(--primary-color);
  color: white;
}

.tree-search-bar {
  position: fixed;
  top: 80px;
  left: 20px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tree-search-bar input {
  padding: 8px 14px;
  border: 1px solid var(--primary-light);
  border-radius: 6px;
  font-size: 14px;
  width: 200px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  outline: none;
  font-family: 'Noto Sans SC', sans-serif;
}

.tree-search-bar input:focus {
  border-color: var(--gold);
}

.tree-search-bar .search-btn {
  padding: 8px 14px;
  background: var(--primary-color);
  color: white;
  border: 1px solid var(--primary-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  box-shadow: var(--shadow);
}

.tree-search-bar .search-btn:hover {
  background: var(--primary-dark);
}

.quick-nav-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.quick-nav-btn {
  padding: 4px 10px;
  background: var(--card-bg);
  color: var(--primary-dark);
  border: 1px solid var(--primary-light);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-family: 'Noto Sans SC', sans-serif;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  white-space: nowrap;
}

.quick-nav-btn:hover {
  background: var(--gold-light);
  border-color: var(--primary-dark);
}

.quick-nav-btn:active {
  background: var(--primary-color);
  color: white;
}

.search-result-info {
  position: fixed;
  top: 155px;
  left: 20px;
  z-index: 100;
  background: var(--card-bg);
  border: 1px solid var(--primary-light);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  box-shadow: var(--shadow);
  display: none;
}

.search-result-info .nav-btns {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.search-result-info .nav-btns button {
  padding: 4px 10px;
  font-size: 12px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* 世代标签 */
.generation-label {
  position: absolute;
  left: 10px;
  font-family: 'Noto Serif SC', serif;
  font-size: 13px;
  color: var(--text-light);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  background: var(--card-bg);
  padding: 6px 4px;
  border-radius: 4px;
  border: 1px solid var(--primary-light);
}

/* SVG 画布 */
.tree-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: grab;
}

.tree-svg:active {
  cursor: grabbing;
}

.tree-svg .link {
  fill: none;
  stroke: var(--primary-light);
  stroke-width: 1.5;
}

.tree-svg .node-group {
  cursor: pointer;
}

.tree-svg .node-rect {
  fill: var(--card-bg);
  stroke: var(--primary-color);
  stroke-width: 1.5;
  rx: 3;
  ry: 3;
  transition: all 0.2s;
}

.tree-svg .node-group:hover .node-rect {
  fill: var(--gold-light);
  stroke: var(--primary-dark);
  stroke-width: 2;
}

.tree-svg .node-group.highlighted .node-rect {
  fill: #FFE082;
  stroke: var(--red);
  stroke-width: 2.5;
}

.tree-svg .node-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px !important;
  font-weight: 700 !important;
  fill: var(--primary-dark);
  text-anchor: middle;
  dominant-baseline: text-before-edge;
}

.tree-svg .node-gen {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 8px;
  fill: var(--text-light);
  text-anchor: middle;
}

/* 管理后台样式 */
.admin-login {
  max-width: 400px;
  margin: 80px auto;
  padding: 40px;
  background: var(--card-bg);
  border: 2px solid var(--primary-light);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.admin-login h2 {
  font-family: 'Noto Serif SC', serif;
  text-align: center;
  color: var(--primary-dark);
  margin-bottom: 30px;
  font-size: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-color);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--primary-light);
  border-radius: 6px;
  font-size: 14px;
  background: white;
  font-family: 'Noto Sans SC', sans-serif;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Noto Sans SC', sans-serif;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--red);
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
}

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

.admin-panel h2 {
  font-family: 'Noto Serif SC', serif;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--primary-light);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-card .stat-number {
  font-family: 'Noto Serif SC', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

.admin-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.member-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.member-table th,
.member-table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--primary-light);
  font-size: 14px;
}

.member-table th {
  background: var(--primary-dark);
  color: var(--gold-light);
  font-weight: 500;
  position: sticky;
  top: 0;
}

.member-table tr:hover td {
  background: rgba(201, 168, 76, 0.1);
}

.member-table .actions {
  display: flex;
  gap: 6px;
}

/* 模态框 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--card-bg);
  border: 2px solid var(--primary-light);
  border-radius: 12px;
  padding: 30px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  font-family: 'Noto Serif SC', serif;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.btn-secondary {
  background: var(--bg-dark);
  color: var(--text-color);
  border: 1px solid var(--primary-light);
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

/* Toast 提示 */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary-dark);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 3000;
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* 富文本编辑器 */
.editor-toolbar {
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  background: #f5f5f5;
  border: 1px solid var(--primary-light);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
}

.editor-toolbar button {
  width: 30px;
  height: 28px;
  border: 1px solid #ddd;
  border-radius: 3px;
  background: white;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.editor-toolbar button:hover {
  background: var(--gold-light);
}

.editor-content {
  min-height: 120px;
  max-height: 300px;
  overflow-y: auto;
  padding: 10px 14px;
  border: 1px solid var(--primary-light);
  border-radius: 0 0 6px 6px;
  font-size: 14px;
  line-height: 1.8;
  outline: none;
  font-family: 'Noto Sans SC', sans-serif;
}

.editor-content:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.2);
}

.editor-content:empty::before {
  content: attr(placeholder);
  color: #999;
  pointer-events: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .logo-text {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 10px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 10px 16px;
    text-align: center;
  }

  .hero-section {
    padding: 40px 15px 30px;
  }

  .hero-section h1 {
    font-size: 26px;
    letter-spacing: 3px;
  }

  .entry-cards {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 15px;
  }

  .entry-card {
    padding: 30px 20px;
  }

  .tree-search-bar input {
    width: 140px;
  }

  .admin-login {
    margin: 40px 15px;
    padding: 25px;
  }

  .member-table {
    font-size: 12px;
  }

  .member-table th,
  .member-table td {
    padding: 8px 10px;
  }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .logo-text {
    font-size: 14px;
  }

  .hero-section h1 {
    font-size: 22px;
  }

  .entry-card .card-title {
    font-size: 18px;
  }

  .tree-controls {
    top: 75px;
    right: 10px;
  }

  .tree-search-bar {
    top: 75px;
    left: 10px;
  }

  .tree-search-bar input {
    width: 110px;
    font-size: 12px;
    padding: 6px 10px;
  }
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}