/* ========================================================================
   WebDoor - 暗色科技风主题
   配色参考 GitHub Dark 设计系统
   ======================================================================== */

/* -------------------------------------------------------------------------
   1. CSS 变量
   ------------------------------------------------------------------------- */
:root,
[data-bs-theme="dark"] {
  /* ---- 色彩系统 ---- */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-hover: #1c2128;
  --border-default: #30363d;
  --border-muted: #21262d;

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #484f58;

  --accent-green: #3FB950;
  --accent-blue: #58a6ff;
  --accent-orange: #f78166;
  --accent-purple: #bc8cff;

  /* ---- 圆角 ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* ---- 阴影 ---- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(63, 185, 80, 0.10);

  /* ---- 过渡 ---- */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* ---- Bootstrap 暗色覆盖 ---- */
  --bs-body-bg: var(--bg-primary);
  --bs-body-color: var(--text-primary);
  --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
  --bs-border-color: var(--border-default);
  --bs-link-color: var(--accent-blue);
  --bs-link-hover-color: #79c0ff;
  --bs-primary: var(--accent-green);
  --bs-primary-rgb: 63, 185, 80;
  --bs-secondary: var(--bg-tertiary);
  --bs-secondary-rgb: 33, 38, 45;
  --bs-danger: var(--accent-orange);
  --bs-danger-rgb: 247, 129, 102;
  --bs-success: var(--accent-green);
  --bs-success-rgb: 63, 185, 80;
  --bs-info: var(--accent-blue);
  --bs-info-rgb: 88, 166, 255;
  --bs-light: var(--bg-secondary);
  --bs-light-rgb: 22, 27, 34;
  --bs-dark: var(--bg-primary);
  --bs-dark-rgb: 13, 17, 23;
  --bs-table-bg: transparent;
  --bs-table-color: var(--text-primary);
  --bs-table-hover-bg: var(--bg-hover);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
  --bs-table-border-color: var(--border-default);
  --bs-modal-bg: var(--bg-secondary);
  --bs-modal-border-color: var(--border-default);
  --bs-dropdown-bg: var(--bg-secondary);
  --bs-dropdown-link-color: var(--text-primary);
  --bs-dropdown-link-hover-bg: var(--bg-tertiary);
  --bs-dropdown-border-color: var(--border-default);
  --bs-navbar-color: var(--text-secondary);
  --bs-navbar-hover-color: var(--text-primary);
  --bs-navbar-active-color: var(--accent-green);
}

/* -------------------------------------------------------------------------
   2. 基础重置 & 排版
   ------------------------------------------------------------------------- */
html {
  position: relative;
  min-height: 100%;
  font-size: 16px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin-bottom: 60px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  line-height: 1.4;
}

h1 { font-weight: 700; font-size: 1.75rem; }
h2 { font-weight: 600; font-size: 1.4rem; }
h3 { font-weight: 600; font-size: 1.2rem; }
h4 { font-weight: 600; }

p {
  color: var(--text-primary);
}

small, .small {
  color: var(--text-secondary);
  font-size: 0.875em;
}

hr {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 1.5rem 0;
  opacity: 1;
}

blockquote {
  border-left: 3px solid var(--accent-green);
  padding: 0.5rem 1rem;
  margin: 1rem 0;
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

/* -------------------------------------------------------------------------
   3. 导航栏
   ------------------------------------------------------------------------- */
.navbar {
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-default);
  padding: 0.75rem 1rem;
  transition: background var(--transition-normal);
}

.navbar.sticky-top {
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary) !important;
  letter-spacing: -0.02em;
}

.navbar-brand:hover {
  color: var(--accent-green) !important;
}

.navbar .nav-link {
  color: var(--text-secondary) !important;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.navbar .nav-link:hover {
  color: var(--text-primary) !important;
  background: var(--bg-tertiary);
}

.navbar .nav-link.active {
  color: var(--accent-green) !important;
  font-weight: 600;
}

.navbar .user-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: default;
}

.navbar .navbar-toggler {
  border-color: var(--border-default);
  color: var(--text-primary);
}

.navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23e6edf3' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* -------------------------------------------------------------------------
   4. 按钮
   ------------------------------------------------------------------------- */
.btn {
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.btn-primary {
  background: var(--accent-green);
  border: none;
  color: #ffffff;
}

.btn-primary:hover {
  background: #4cda65;
  box-shadow: 0 0 12px rgba(63, 185, 80, 0.3);
  color: #ffffff;
}

.btn-primary:active,
.btn-primary:focus {
  background: #3aad48;
  box-shadow: 0 0 0 3px rgba(63, 185, 80, 0.3);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #2d333b;
  border-color: var(--border-default);
  color: var(--text-primary);
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--accent-orange);
  color: var(--accent-orange);
}

.btn-danger:hover {
  background: rgba(247, 129, 102, 0.12);
  color: #ffa48a;
  border-color: #ffa48a;
}

.btn-success {
  background: var(--accent-green);
  border: none;
  color: #ffffff;
}

.btn-success:hover {
  background: #4cda65;
  color: #ffffff;
}

.btn-sm {
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-outline-primary {
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}

.btn-outline-primary:hover {
  background: var(--accent-green);
  color: #ffffff;
}

/* -------------------------------------------------------------------------
   5. 卡片
   ------------------------------------------------------------------------- */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--shadow-glow);
}

.card-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-default);
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
}

.card-body {
  padding: 1.25rem;
  color: var(--text-primary);
}

.card-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-default);
  border-radius: 0 0 var(--radius-md) var(--radius-md) !important;
}

/* -------------------------------------------------------------------------
   6. 表单
   ------------------------------------------------------------------------- */
.form-control,
.form-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  background: var(--bg-primary);
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(63, 185, 80, 0.15);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-control:disabled,
.form-select:disabled {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  opacity: 0.7;
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* 文件上传 */
input[type="file"] {
  background: var(--bg-primary);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.6rem;
  color: var(--text-secondary);
  cursor: pointer;
}

input[type="file"]:hover {
  border-color: var(--accent-green);
  background: rgba(63, 185, 80, 0.04);
}

input[type="file"]::file-selector-button {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  margin-right: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

input[type="file"]::file-selector-button:hover {
  background: #2d333b;
}

/* 文本域 */
textarea.form-control {
  min-height: 120px;
  line-height: 1.6;
}

/* 复选框 */
.form-check-input {
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
}

.form-check-input:checked {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

/* form-floating 覆盖 */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.form-floating > label {
  color: var(--text-secondary);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  color: var(--text-primary);
  opacity: 0.85;
}

/* -------------------------------------------------------------------------
   7. 表格
   ------------------------------------------------------------------------- */
.table {
  color: var(--text-primary);
  border-color: var(--border-default);
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  border-bottom: 1px solid var(--border-default);
  padding: 0.7rem 0.85rem;
  vertical-align: middle;
}

.table > thead {
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border-default);
}

.table > thead > tr > th {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: none;
  padding: 0.75rem 0.85rem;
}

.table > tbody > tr {
  transition: background var(--transition-fast);
}

.table > tbody > tr:hover {
  background: var(--bg-hover);
}

.table > tbody > tr:nth-of-type(even) {
  background: rgba(255, 255, 255, 0.015);
}

.table > tbody > tr:nth-of-type(even):hover {
  background: var(--bg-hover);
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background: rgba(255, 255, 255, 0.02);
}

.table-striped > tbody > tr:nth-of-type(odd):hover {
  background: var(--bg-hover);
}

/* -------------------------------------------------------------------------
   8. 代码块
   ------------------------------------------------------------------------- */
pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  word-wrap: normal;
}

code {
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.875em;
}

/* 行内代码 */
:not(pre) > code {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 0.85em;
}

/* 文章内容中的代码块 */
.post-content pre {
  margin: 1rem 0;
}

.post-content code {
  font-size: 0.85em;
}

/* -------------------------------------------------------------------------
   9. 工具类 & 组件
   ------------------------------------------------------------------------- */

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state .empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state .empty-state-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state .empty-state-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 360px;
}

/* 分页 */
.pagination {
  gap: 0.25rem;
}

.pagination .page-item .page-link {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.pagination .page-item .page-link:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-default);
  color: var(--text-primary);
}

.pagination .page-item.active .page-link {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 0 8px rgba(63, 185, 80, 0.25);
}

.pagination .page-item.disabled .page-link {
  background: var(--bg-primary);
  color: var(--text-tertiary);
  border-color: var(--border-muted);
  pointer-events: none;
}

/* 页面信息 */
.page-info {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}

/* 页脚 */
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  white-space: nowrap;
  line-height: 60px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer a {
  color: var(--text-secondary);
}

.footer a:hover {
  color: var(--accent-blue);
}

/* 模态框 */
.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-default);
  padding: 1rem 1.25rem;
}

.modal-footer {
  border-top: 1px solid var(--border-default);
  padding: 1rem 1.25rem;
}

.modal-title {
  color: var(--text-primary);
  font-weight: 600;
}

/* 下拉菜单 */
.dropdown-menu {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 0.4rem;
}

.dropdown-item {
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  transition: background var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-divider {
  border-top: 1px solid var(--border-default);
  margin: 0.3rem 0;
}

/* 徽章 */
.badge {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 0.25em 0.6em;
  font-size: 0.75rem;
}

/* 警告框 */
.alert {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.alert-info {
  background: rgba(88, 166, 255, 0.1);
  border-color: rgba(88, 166, 255, 0.3);
  color: var(--accent-blue);
}

.alert-success {
  background: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.3);
  color: var(--accent-green);
}

.alert-danger {
  background: rgba(247, 129, 102, 0.1);
  border-color: rgba(247, 129, 102, 0.3);
  color: var(--accent-orange);
}

/* 列表组 */
.list-group-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
}

.list-group-item:hover {
  background: var(--bg-hover);
}

.list-group-item.active {
  background: rgba(63, 185, 80, 0.12);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* 进度条 */
.progress {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.progress-bar {
  background: var(--accent-green);
  border-radius: var(--radius-md);
}

/* 输入组 */
.input-group-text {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

/* 关闭按钮 */
.btn-close {
  filter: invert(0.8);
}

/* 提示工具 */
.tooltip .tooltip-inner {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* 弹出框 */
.popover {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-md);
}

.popover-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-default);
  color: var(--text-primary);
}

.popover-body {
  color: var(--text-secondary);
}

/* 导航标签 */
.nav-tabs {
  border-bottom: 1px solid var(--border-default);
}

.nav-tabs .nav-link {
  color: var(--text-secondary);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: all var(--transition-fast);
}

.nav-tabs .nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: none;
  isolation: isolate;
}

.nav-tabs .nav-link.active {
  color: var(--accent-green);
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--accent-green);
  font-weight: 600;
}

/* 滚动条（WebKit） */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: #3d444d;
}

/* 选定文本 */
::selection {
  background: rgba(63, 185, 80, 0.3);
  color: var(--text-primary);
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(63, 185, 80, 0.15); }
  50%      { box-shadow: 0 0 20px rgba(63, 185, 80, 0.3); }
}

.pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

/* =========================================================================
   10. 页面布局组件 (page-level layout)
   ========================================================================= */

/* ---- 博客列表布局 ---- */
.content-wrapper {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
  gap: 30px;
}

.main-container {
  flex: 1;
  min-width: 0;
}

.sidebar {
  width: 300px;
  flex-shrink: 0;
}

/* ---- 文章详情容器 ---- */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ---- 页面头部 ---- */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-default);
}

.page-title {
  color: var(--text-primary);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
}

/* ---- 操作按钮栏 ---- */
.action-buttons {
  text-align: right;
  margin-bottom: 30px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---- 返回链接 ---- */
.back-link {
  margin-bottom: 30px;
}

.back-link a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.back-link a:hover {
  color: var(--text-primary);
}

/* ---- 文章头部 ---- */
.post-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-default);
}

.post-title {
  color: var(--text-primary);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.post-meta {
  color: var(--text-secondary);
  display: flex;
  gap: 25px;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---- 博客卡片网格 ---- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 25px;
  margin-bottom: 50px;
}

.post-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 25px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.post-card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.post-card-title {
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.3;
}

.post-card-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-card-excerpt {
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 18px;
  opacity: 0.85;
}

.post-card-meta {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-default);
  padding-top: 15px;
}

.post-card-draft {
  border-style: dashed;
  border-color: var(--border-default);
  opacity: 0.6;
}
.post-card-draft:hover {
  opacity: 0.85;
  border-color: var(--accent-green);
}

.draft-badge {
  display: inline-block;
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.3);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 8px;
  font-weight: 400;
}

/* ---- 日历组件 ---- */
.calendar-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 20px;
}

.calendar-header {
  margin-bottom: 10px;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
  margin: 20px 0;
}

.calendar-day-header {
  color: var(--text-secondary);
  text-align: center;
  padding: 8px 5px;
  font-weight: 600;
  font-size: 0.85rem;
}

.calendar-day {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  text-align: center;
  padding: 12px 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  position: relative;
}

/* 文章数量热力图 - 暗色底适配 */
.calendar-day.count-1-2 {
  background-color: #0d3320;
  border-color: #1a4d30;
}

.calendar-day.count-3-5 {
  background-color: #196c35;
  border-color: #218a44;
}

.calendar-day.count-6-10 {
  background-color: #28a745;
  border-color: #34c759;
  color: #fff;
}

.calendar-day.count-10plus {
  background-color: var(--accent-green);
  border-color: #46c756;
  color: #fff;
}

.calendar-day:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-blue);
}

.calendar-day.count-1-2:hover { background-color: #134428; }
.calendar-day.count-3-5:hover { background-color: #1f8242; }
.calendar-day.count-6-10:hover { background-color: #2db34a; }
.calendar-day.count-10plus:hover { background-color: #46c756; }

.calendar-day.selected {
  background-color: var(--accent-green) !important;
  border-color: var(--accent-green);
  color: #fff !important;
}

.calendar-day.other-month {
  opacity: 0.2;
  cursor: default;
  background-color: transparent !important;
  border-color: transparent;
}

.calendar-footer {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: stretch;
  margin-top: 15px;
}

.calendar-selected-info {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
}

.calendar-buttons {
  display: flex;
  gap: 10px;
}

.calendar-buttons .btn {
  flex: 1;
}

/* ---- 筛选框可折叠 ---- */
.filter-box {
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  max-height: 1000px;
  opacity: 1;
}

.filter-box.collapsed {
  max-height: 0;
  opacity: 0;
}

/* ---- 登录页居中布局 ---- */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 56px - 60px - 80px);
  padding: 40px 20px;
}

.login-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 440px;
  width: 100%;
}

.login-card h1 {
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.login-card h4 {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 24px;
}

.login-card .btn {
  width: 100%;
  margin-top: 20px;
}

/* ---- 密钥展示 ---- */
.keys-container {
  margin-top: 24px;
}

.keys-container h3 {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 8px;
  margin-top: 16px;
}

.keys-container pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text-primary);
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
}

/* ---- 角色标签 ---- */
.role-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.role-badge.admin {
  background-color: rgba(63, 185, 80, 0.2);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.role-badge.guest {
  background-color: rgba(139, 148, 158, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(139, 148, 158, 0.2);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .content-wrapper {
    flex-direction: column;
    padding: 20px 12px;
  }

  .sidebar {
    width: 100%;
    order: 2;
  }

  .main-container {
    order: 1;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .post-meta {
    flex-direction: column;
    gap: 8px;
  }

  .editor-panes {
    flex-direction: column;
  }

  .editor-pane {
    min-height: 300px;
  }

  .meta-row-triple {
    grid-template-columns: 1fr !important;
  }

  .toolbar-right {
    margin-left: 0 !important;
  }
}

/* =========================================================================
   11. 博客编辑器
   ========================================================================= */

.editor-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

.editor-header {
  margin-bottom: 30px;
}

.editor-header .back-link {
  margin-bottom: 12px;
}

.editor-header .back-link a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.editor-header .back-link a:hover {
  color: var(--text-primary);
}

.editor-title {
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

/* 标题输入框 */
.editor-title-field {
  margin-bottom: 16px;
}

.editor-title-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border-default);
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 12px 0;
  transition: border-color var(--transition-fast);
  outline: none;
  font-family: inherit;
}

.editor-title-input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.editor-title-input:focus {
  border-bottom-color: var(--accent-green);
}

/* 工具栏 */
.editor-toolbar {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 6px 10px;
  gap: 2px;
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-right {
  margin-left: auto;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.toolbar-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-default);
  text-decoration: none;
}

.toolbar-btn.active {
  background: var(--bg-tertiary);
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.toolbar-import {
  position: relative;
  cursor: pointer;
}

.toolbar-import input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* 编辑面板: 分屏 */
.editor-panes {
  display: flex;
  border: 1px solid var(--border-default);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
  min-height: 500px;
  margin-bottom: 24px;
}

.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.editor-pane-write {
  border-right: 1px solid var(--border-default);
}

.pane-label {
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-default);
  user-select: none;
}

.editor-textarea {
  flex: 1;
  width: 100%;
  background: var(--bg-primary);
  border: none;
  color: var(--text-primary);
  padding: 20px;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  resize: none;
  outline: none;
  tab-size: 4;
}

.editor-textarea::placeholder {
  color: var(--text-tertiary);
  line-height: 1.8;
}

.editor-textarea.drag-over {
  background: rgba(63, 185, 80, 0.06);
  box-shadow: inset 0 0 0 2px var(--accent-green);
}

/* 预览面板 */
.editor-preview {
  flex: 1;
  padding: 20px 28px;
  overflow-y: auto;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
}

.editor-preview h1 { font-size: 1.75rem; margin: 0.6em 0 0.4em; }
.editor-preview h2 { font-size: 1.4rem; margin: 0.6em 0 0.4em; }
.editor-preview h3 { font-size: 1.2rem; margin: 0.5em 0 0.3em; }
.editor-preview h4, .editor-preview h5, .editor-preview h6 { margin: 0.4em 0 0.2em; }

.editor-preview p { margin: 0 0 0.8em; }

.editor-preview a { color: var(--accent-blue); }

.editor-preview img { max-width: 100%; border-radius: var(--radius-md); }

.editor-preview pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
}

.editor-preview code {
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.85em;
}

.editor-preview :not(pre) > code {
  background: var(--bg-tertiary);
  border-radius: 3px;
  padding: 2px 5px;
}

.editor-preview blockquote {
  border-left: 3px solid var(--accent-green);
  padding: 0.3rem 1rem;
  margin: 0.8rem 0;
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

.editor-preview ul, .editor-preview ol {
  padding-left: 1.5em;
  margin: 0.5em 0;
}

.editor-preview li { margin: 0.2em 0; }

.editor-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
}

.editor-preview th, .editor-preview td {
  border: 1px solid var(--border-default);
  padding: 8px 12px;
  text-align: left;
}

.editor-preview th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.editor-preview hr {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 1.5rem 0;
}

.preview-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  text-align: center;
  padding: 40px;
}

/* 元数据区 */
.editor-meta {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.meta-row {
  margin-bottom: 12px;
}

.meta-row:last-child {
  margin-bottom: 0;
}

.meta-row-triple {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 20px;
  align-items: end;
}

.meta-field {
  min-width: 0;
}

.meta-field .form-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.meta-excerpt {
  resize: vertical;
  min-height: 50px;
}

.meta-buttons {
  display: flex;
  gap: 10px;
}

.btn-save {
  padding: 0.5rem 1.5rem;
  font-size: 0.95rem;
}

/* 危险区域 */
.editor-danger-zone {
  padding-top: 24px;
  border-top: 1px solid var(--border-default);
  text-align: right;
}

/* 文章详情页操作按钮 */
.article-actions {
  display: flex;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-default);
  flex-wrap: wrap;
}

.article-actions .btn-sm {
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
}

/* ---- PlantUML 图表 ---- */
.plantuml-container {
  margin: 1.5rem 0;
  text-align: center;
  overflow-x: auto;
}

.plantuml-container img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 8px;
  border: 1px solid var(--border-default);
}

/* ===== AI 语义搜索栏 ===== */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  flex: 1;
  max-width: 520px;
}

.search-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 8px 12px;
  width: 100%;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(63, 185, 80, 0.15);
}

.search-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.score-badge {
  display: inline-block;
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-green);
  border-radius: 10px;
  padding: 2px 8px;
  font-size: 0.75rem;
  margin-left: 6px;
  vertical-align: middle;
}

.tag-chip {
  display: inline-block;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-right: 4px;
}