html.dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--el-color-primary:#409eff;--el-color-primary-light-3:#3375b9;--el-color-primary-light-5:#2a598a;--el-color-primary-light-7:#213d5b;--el-color-primary-light-8:#1d3043;--el-color-primary-light-9:#18222b;--el-color-primary-dark-2:#66b1ff;--el-color-success:#67c23a;--el-color-success-light-3:#4e8e2f;--el-color-success-light-5:#3e6b27;--el-color-success-light-7:#2d481f;--el-color-success-light-8:#25371c;--el-color-success-light-9:#1c2518;--el-color-success-dark-2:#85ce61;--el-color-warning:#e6a23c;--el-color-warning-light-3:#a77730;--el-color-warning-light-5:#7d5b28;--el-color-warning-light-7:#533f20;--el-color-warning-light-8:#3e301c;--el-color-warning-light-9:#292218;--el-color-warning-dark-2:#ebb563;--el-color-danger:#f56c6c;--el-color-danger-light-3:#b25252;--el-color-danger-light-5:#854040;--el-color-danger-light-7:#582e2e;--el-color-danger-light-8:#412626;--el-color-danger-light-9:#2a1d1d;--el-color-danger-dark-2:#f78989;--el-color-error:#f56c6c;--el-color-error-light-3:#b25252;--el-color-error-light-5:#854040;--el-color-error-light-7:#582e2e;--el-color-error-light-8:#412626;--el-color-error-light-9:#2a1d1d;--el-color-error-dark-2:#f78989;--el-color-info:#909399;--el-color-info-light-3:#6b6d71;--el-color-info-light-5:#525457;--el-color-info-light-7:#393a3c;--el-color-info-light-8:#2d2d2f;--el-color-info-light-9:#202121;--el-color-info-dark-2:#a6a9ad;--el-box-shadow:0px 12px 32px 4px #0000005c, 0px 8px 20px #000000b8;--el-box-shadow-light:0px 0px 12px #000000b8;--el-box-shadow-lighter:0px 0px 6px #000000b8;--el-box-shadow-dark:0px 16px 48px 16px #000000b8, 0px 12px 32px #000, 0px 8px 16px -8px #000;--el-bg-color-page:#0a0a0a;--el-bg-color:#141414;--el-bg-color-overlay:#1d1e1f;--el-text-color-primary:#e5eaf3;--el-text-color-regular:#cfd3dc;--el-text-color-secondary:#a3a6ad;--el-text-color-placeholder:#8d9095;--el-text-color-disabled:#6c6e72;--el-border-color-darker:#636466;--el-border-color-dark:#58585b;--el-border-color:#4c4d4f;--el-border-color-light:#414243;--el-border-color-lighter:#363637;--el-border-color-extra-light:#2b2b2c;--el-fill-color-darker:#424243;--el-fill-color-dark:#39393a;--el-fill-color:#303030;--el-fill-color-light:#262727;--el-fill-color-lighter:#1d1d1d;--el-fill-color-extra-light:#191919;--el-fill-color-blank:#141414;--el-mask-color:#000c;--el-mask-color-extra-light:#0000004d}html.dark .el-button{--el-button-disabled-text-color:#ffffff80}html.dark .el-card{--el-card-bg-color:var(--el-bg-color-overlay);--el-fill-color-blank:var(--el-card-bg-color)}html.dark .el-empty{--el-empty-fill-color-0:var(--el-color-black);--el-empty-fill-color-1:#4b4b52;--el-empty-fill-color-2:#36383d;--el-empty-fill-color-3:#1e1e20;--el-empty-fill-color-4:#262629;--el-empty-fill-color-5:#202124;--el-empty-fill-color-6:#212224;--el-empty-fill-color-7:#1b1c1f;--el-empty-fill-color-8:#1c1d1f;--el-empty-fill-color-9:#18181a}/* ========== 主题变量 ========== */
:root {
  /* 浅色主题（默认） */
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-sidebar: #ffffff;
  --bg-input: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.85);
  --bg-footer: #ffffff;
  --bg-code: #f3f4f6;
  --bg-pre: #1f2937;
  --bg-blockquote: #f1f5f9;
  --bg-badge: #f1f5f9;
  --bg-interactions: #f8fafc;
  --bg-comment: #f8fafc;
  --bg-page: #f5f5f5;

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-code: #be185d;
  --text-pre: #f9fafb;
  --text-link: #3b82f6;
  --text-link-hover: #2563eb;

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-accent: rgba(99, 102, 241, 0.3);

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.1);
  --accent-bg: rgba(37, 99, 235, 0.08);

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(37, 99, 235, 0.1);

  --scrollbar-track: #f1f1f1;
  --scrollbar-thumb: #c1c1c1;
  --scrollbar-thumb-hover: #a1a1a1;

  --gradient-hero: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);

  /* ========== admin 后台变量（light）========== */
  --admin-bg: #ffffff;            /* 主内容/卡片背景 */
  --admin-bg-soft: #f8fafc;       /* 次级背景/表头/hover */
  --admin-bg-sidebar: #1e293b;    /* 侧边栏（light 也深色）*/
  --admin-sidebar-hover: #334155; /* 侧边栏 hover */
  --admin-sidebar-text: #cbd5e1;  /* 侧边栏文字 */
  --admin-sidebar-muted: #64748b; /* 侧边栏分组标题 */
  --admin-accent: #2563eb;        /* 选中/主色 */
  --admin-text: #1e293b;          /* 主文字 */
  --admin-text-secondary: #64748b;/* 次级文字 */
  --admin-text-muted: #94a3b8;    /* 弱化文字 */
  --admin-border: #e2e8f0;        /* 主边框 */
  --admin-border-soft: #f1f5f9;   /* 轻边框 */
}

/* 深色主题 */
[data-theme="dark"] {
  --bg-body: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #0d0d1f 100%);
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-sidebar: rgba(255, 255, 255, 0.03);
  --bg-input: rgba(255, 255, 255, 0.05);
  --bg-header: rgba(15, 15, 35, 0.8);
  --bg-footer: rgba(15, 15, 35, 0.6);
  --bg-code: rgba(99, 102, 241, 0.15);
  --bg-pre: rgba(0, 0, 0, 0.4);
  --bg-blockquote: rgba(99, 102, 241, 0.05);
  --bg-badge: rgba(99, 102, 241, 0.15);
  --bg-interactions: rgba(255, 255, 255, 0.03);
  --bg-comment: rgba(255, 255, 255, 0.03);
  --bg-page: #0f0f23;

  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-code: #c4b5fd;
  --text-pre: #e2e8f0;
  --text-link: #818cf8;
  --text-link-hover: #a5b4fc;

  --border-color: rgba(99, 102, 241, 0.2);
  --border-light: rgba(99, 102, 241, 0.1);
  --border-accent: rgba(99, 102, 241, 0.4);

  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-light: rgba(99, 102, 241, 0.15);
  --accent-bg: rgba(99, 102, 241, 0.08);

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(99, 102, 241, 0.1);

  --scrollbar-track: rgba(255, 255, 255, 0.02);
  --scrollbar-thumb: rgba(99, 102, 241, 0.3);
  --scrollbar-thumb-hover: rgba(99, 102, 241, 0.5);

  /* ========== admin 后台变量（dark）========== */
  --admin-bg: #0f172a;            /* 主内容/卡片背景（深石板）*/
  --admin-bg-soft: #1e293b;       /* 次级背景 */
  --admin-bg-sidebar: #0b1220;    /* 侧边栏（更深）*/
  --admin-sidebar-hover: #1e293b;
  --admin-sidebar-text: #cbd5e1;
  --admin-sidebar-muted: #475569;
  --admin-accent: #3b82f6;
  --admin-text: #e2e8f0;
  --admin-text-secondary: #94a3b8;
  --admin-text-muted: #64748b;
  --admin-border: #1e293b;
  --admin-border-soft: #1e293b;

  --gradient-hero: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
}

/* ========== 基础样式 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-body);
  background-attachment: fixed;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

a {
  text-decoration: none;
  color: inherit;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 6px;
}

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

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

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

/* ========== Element Plus 覆盖 ========== */
.el-dialog {
  --el-dialog-bg-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  backdrop-filter: blur(20px);
}

[data-theme="dark"] .el-dialog {
  --el-dialog-bg-color: rgba(15, 15, 35, 0.95);
}

.el-dialog__header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.el-dialog__title {
  color: var(--text-primary) !important;
}

.el-dialog__body {
  color: var(--text-secondary);
}

.el-dialog__headerbtn .el-dialog__close {
  color: var(--text-muted);
}

.el-dialog__headerbtn:hover .el-dialog__close {
  color: var(--text-primary);
}

.el-form-item__label {
  color: var(--text-secondary) !important;
}

.el-input__wrapper {
  background: var(--bg-input) !important;
  box-shadow: none !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px;
}

.el-input__wrapper.is-focus {
  border-color: var(--border-accent) !important;
  box-shadow: 0 0 0 2px var(--accent-light) !important;
}

.el-input__inner {
  color: var(--text-primary) !important;
}

.el-input__inner::placeholder {
  color: var(--text-muted) !important;
}

.el-input-group__append {
  background: var(--accent-light) !important;
  border-color: var(--border-color) !important;
  color: var(--accent) !important;
}

.el-button--primary {
  --el-button-bg-color: var(--accent);
  --el-button-border-color: var(--accent);
  --el-button-hover-bg-color: var(--accent-hover);
  --el-button-hover-border-color: var(--accent-hover);
}

.el-button--default {
  --el-button-bg-color: var(--bg-card);
  --el-button-border-color: var(--border-color);
  --el-button-text-color: var(--text-secondary);
  --el-button-hover-bg-color: var(--bg-card-hover);
  --el-button-hover-border-color: var(--border-accent);
  --el-button-hover-text-color: var(--text-primary);
}

.el-skeleton__item {
  background: var(--bg-card-hover) !important;
}

.el-overlay {
  background-color: rgba(0, 0, 0, 0.5) !important;
}

/* ========== Markdown 内容 ========== */
.markdown-content {
  line-height: 1.8;
  color: var(--text-secondary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin-top: 2em;
  margin-bottom: 1em;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.markdown-content h1 {
  font-size: 2.25em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5em;
}

.markdown-content h2 {
  font-size: 1.75em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5em;
}

.markdown-content h3 {
  font-size: 1.5em;
}

.markdown-content p {
  margin-bottom: 1.5em;
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.markdown-content li {
  margin-bottom: 0.5em;
}

.markdown-content code {
  background: var(--bg-code);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Courier New', monospace;
  color: var(--text-code);
}

.markdown-content pre {
  background: var(--bg-pre);
  color: var(--text-pre);
  padding: 1.5em;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.markdown-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.markdown-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
  margin-left: 0;
  margin-bottom: 1.5em;
  color: var(--text-muted);
  background: var(--bg-blockquote);
  border-radius: 0 8px 8px 0;
}

.markdown-content a {
  color: var(--text-link);
  text-decoration: underline;
}

.markdown-content a:hover {
  color: var(--text-link-hover);
}

.markdown-content img {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 1.5em;
  border: 1px solid var(--border-color);
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
}

.markdown-content th,
.markdown-content td {
  padding: 0.75em;
  border: 1px solid var(--border-color);
  text-align: left;
}

.markdown-content th {
  background: var(--accent-light);
  font-weight: 600;
  color: var(--text-primary);
}

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

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2em 0;
}