/* TakamiyaMioo's Blog - visual system */
:root {
  --blog-purple: #7657c8;
  --blog-purple-dark: #4d347f;
  --blog-blue: #4389c5;
  --blog-pink: #d487ae;
  --blog-text: #292437;
  --blog-muted: #756f85;
  --blog-surface: rgba(255, 255, 255, 0.94);
  --blog-surface-soft: rgba(249, 247, 253, 0.92);
  --blog-border: rgba(118, 87, 200, 0.18);
  --blog-shadow: 0 12px 32px rgba(54, 35, 91, 0.12);
  --blog-radius: 16px;
  --blog-content-width: 1200px;
}

[data-theme="dark"] {
  --blog-text: #f2edf9;
  --blog-muted: #bcb2cd;
  --blog-surface: rgba(37, 30, 51, 0.94);
  --blog-surface-soft: rgba(47, 38, 63, 0.92);
  --blog-border: rgba(190, 161, 239, 0.2);
  --blog-shadow: 0 14px 36px rgba(12, 7, 24, 0.3);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--blog-text);
  background-color: #efeaf7 !important;
  background-image: linear-gradient(rgba(29, 15, 53, 0.2), rgba(29, 15, 53, 0.24)), url('/img/banner.jpg') !important;
  background-attachment: fixed !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
  background-size: cover !important;
}

[data-theme="dark"] body {
  background-color: #211b2b !important;
  background-image: linear-gradient(rgba(17, 10, 29, 0.52), rgba(17, 10, 29, 0.58)), url('/img/banner.jpg') !important;
}

/* 内容布局：首页恢复默认宽度，文章页保留适度阅读宽度。 */
.layout {
  width: 100% !important;
  max-width: var(--blog-content-width) !important;
}

.layout > div:first-child {
  width: 74% !important;
}

.layout > .aside-content {
  width: 26% !important;
}

.layout:has(> #post) {
  max-width: 1650px !important;
}

.layout:has(> #post) > div:first-child {
  width: 78% !important;
}

.layout:has(> #post) > .aside-content {
  width: 22% !important;
}

/* 首页封面占满首屏，标题组在封面正中央。 */
#page-header.full_page {
  height: 100vh !important;
  min-height: 100vh !important;
  background-image: linear-gradient(135deg, rgba(8, 6, 14, 0.78), rgba(28, 18, 43, 0.58)), url('/img/banner.jpg') !important;
}

[data-theme="dark"] #page-header.full_page {
  background-image: linear-gradient(135deg, rgba(4, 3, 8, 0.86), rgba(21, 13, 32, 0.7)), url('/img/banner.jpg') !important;
}

#page-header.full_page #site-info {
  top: 50% !important;
  left: 50% !important;
  width: min(1000px, calc(100% - 32px));
  transform: translate(-50%, -50%);
  text-align: center;
}

#page-header.full_page #site-title {
  margin-bottom: 0.65rem;
  letter-spacing: 0.02em;
  font-family: Georgia, "Times New Roman", SimSun, "宋体", serif !important;
  font-size: clamp(2.35rem, 5vw, 4.7rem);
  text-shadow: 0 4px 24px rgba(18, 8, 31, 0.48);
}

#page-header.full_page #site-subtitle {
  min-height: 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.35rem);
  letter-spacing: 0.04em;
}

#page-header.full_page #scroll-down {
  bottom: 28px;
  opacity: 0.7;
}

#page-header:not(.full_page) {
  background-image: linear-gradient(135deg, rgba(62, 38, 103, 0.86), rgba(118, 87, 200, 0.64)), url('/img/banner.jpg') !important;
  background-position: center;
  background-size: cover;
}

[data-theme="dark"] #page-header:not(.full_page) {
  background-image: linear-gradient(135deg, rgba(25, 16, 42, 0.9), rgba(67, 43, 93, 0.76)), url('/img/banner.jpg') !important;
}

/* 导航栏 */
#nav {
  background: transparent !important;
  box-shadow: none !important;
  transition: background-color 220ms ease, box-shadow 220ms ease, color 220ms ease !important;
}

#nav.fixed,
#page-header.nav-fixed #nav,
.not-top-img #nav {
  background: rgba(250, 248, 253, 0.92) !important;
  box-shadow: 0 8px 24px rgba(49, 30, 80, 0.1) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

[data-theme="dark"] #nav.fixed,
[data-theme="dark"] #page-header.nav-fixed #nav,
[data-theme="dark"] .not-top-img #nav {
  background: rgba(30, 24, 43, 0.94) !important;
  box-shadow: 0 8px 24px rgba(8, 4, 16, 0.32) !important;
}

#nav .site-page,
#nav .site-name {
  color: #fff !important;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.42) !important;
}

#nav.fixed .site-page,
#nav.fixed .site-name,
.not-top-img #nav .site-page,
.not-top-img #nav .site-name {
  color: var(--blog-text) !important;
  text-shadow: none !important;
}

[data-theme="dark"] #nav.fixed .site-page,
[data-theme="dark"] #nav.fixed .site-name,
[data-theme="dark"] .not-top-img #nav .site-page,
[data-theme="dark"] .not-top-img #nav .site-name {
  color: var(--blog-text) !important;
}

@media screen and (min-width: 901px) {
  #menus .menus_items {
    white-space: nowrap;
  }

  #menus .menus_item {
    margin: 0 0.1rem;
  }

  #nav #menus .menus_item > .site-page,
  #nav #search-button .site-page,
  #nav #menus .menus_item_child .site-page {
    font-size: 0.86rem !important;
    line-height: 1.4;
  }
}

/* 导航菜单使用统一字号，避免下拉菜单和普通菜单视觉大小不一致。 */
#nav #menus .menus_item > .site-page,
#nav #search-button .site-page,
#nav #menus .menus_item_child .site-page,
#nav #menus .menus_item > .site-page > span {
  font-size: 0.86rem !important;
}

/* 通用内容卡片：提高不透明度，降低背景图干扰。 */
#aside-content .card-widget,
.layout > .recent-posts .recent-post-item,
.layout > #post,
.layout > #page,
.layout > #archive {
  background: var(--blog-surface) !important;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius) !important;
  box-shadow: var(--blog-shadow);
  color: var(--blog-text);
}

.layout > .recent-posts .recent-post-item {
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.layout > .recent-posts .recent-post-item:hover,
.home-link-card:hover,
.project-card:hover,
.research-card:hover {
  border-color: rgba(118, 87, 200, 0.42);
  box-shadow: 0 16px 34px rgba(54, 35, 91, 0.16);
  transform: translateY(-2px);
}

[data-theme="dark"] #aside-content .card-widget,
[data-theme="dark"] .layout > .recent-posts .recent-post-item,
[data-theme="dark"] .layout > #post,
[data-theme="dark"] .layout > #page,
[data-theme="dark"] .layout > #archive {
  border-color: var(--blog-border);
}

/* 首页数据模块 */
.home-upgrade {
  margin-bottom: 1.35rem;
}

.home-section {
  margin-bottom: 1rem;
  padding: clamp(1rem, 2vw, 1.45rem);
  background: var(--blog-surface-soft);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  box-shadow: 0 8px 24px rgba(54, 35, 91, 0.08);
}

.home-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.home-section h2,
.home-section h3 {
  margin: 0;
  color: var(--blog-text);
}

.home-section h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.home-kicker {
  margin: 0 0 0.45rem;
  color: var(--blog-purple);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.home-intro p {
  margin: 0;
  line-height: 1.9;
}

.home-structure-note {
  margin: 0 0 0.75rem !important;
  color: var(--blog-purple-dark);
  font-weight: 600;
}

[data-theme="dark"] .home-structure-note {
  color: #d6c5ff;
}

.home-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.home-inline-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.48rem 0.78rem;
  border: 1px solid var(--blog-border);
  border-radius: 999px;
  background: var(--blog-surface);
  color: var(--blog-purple-dark) !important;
  font-size: 0.9rem;
}

.home-inline-action:hover {
  border-color: var(--blog-purple);
  color: var(--blog-purple-dark) !important;
}

.home-posts-guide {
  margin-top: 1.45rem;
  margin-bottom: 0.9rem;
  border-color: rgba(118, 87, 200, 0.3);
}

.home-posts-guide p {
  margin: 0;
  color: var(--blog-muted);
  line-height: 1.8;
}

.research-grid,
.featured-grid,
.project-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.home-link-card,
.project-card {
  display: block;
  min-width: 0;
  padding: 1rem;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: 13px;
  color: inherit;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.home-link-card:hover,
.project-card:hover {
  color: inherit;
}

.home-card-icon {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  margin-bottom: 0.7rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(118, 87, 200, 0.18), rgba(67, 137, 197, 0.18));
  color: var(--blog-purple-dark);
}

[data-theme="dark"] .home-card-icon {
  color: #d7c5ff;
}

.home-link-card h3,
.project-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.home-link-card p,
.project-card p {
  margin: 0;
  color: var(--blog-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.project-meta,
.project-links {
  margin-top: 0.7rem !important;
  color: var(--blog-muted);
  font-size: 0.78rem !important;
}

.project-links a {
  color: var(--blog-purple-dark);
}

.author-real-name {
  font-size: 0.82em;
  opacity: 0.78;
  font-weight: 400;
}

.featured-list {
  display: grid;
  gap: 0.55rem;
}

.featured-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 0.85rem;
  border-radius: 10px;
  background: var(--blog-surface);
  border: 1px solid transparent;
}

.featured-item:hover {
  border-color: var(--blog-border);
}

.featured-item a {
  color: var(--blog-purple-dark);
  font-weight: 650;
}

[data-theme="dark"] .featured-item a {
  color: #d6c5ff;
}

.featured-note,
.project-status {
  color: var(--blog-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.home-hero-action {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: rgba(28, 18, 47, 0.34);
  color: #fff !important;
  font-size: 0.9rem;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.home-hero-action:hover {
  background: rgba(118, 87, 200, 0.65);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

/* 文章阅读体验 */
.post-content {
  color: var(--blog-text);
  font-family: "Times New Roman", SimSun, "宋体", serif;
  font-size: 1.04rem;
  line-height: 1.9;
}

.post-content p,
.post-content li,
.post-content blockquote,
.post-content table,
.post-content a {
  font-family: "Times New Roman", SimSun, "宋体", serif !important;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.post-content pre,
.post-content code,
.post-content kbd,
.post-content samp {
  font-family: Consolas, "Courier New", monospace !important;
}

.post-content pre {
  max-width: 100%;
  overflow-x: auto;
}

.post-content a {
  overflow-wrap: anywhere;
}

/* 学习路线、项目、实验、工具箱等独立页面 */
.data-page {
  color: var(--blog-text);
}

/* 关于页面：使用正常的 Markdown 页面结构，避免原始标记和内容挤在一起 */
.layout > #page #article-container {
  color: var(--blog-text);
  font-family: "Times New Roman", SimSun, "宋体", serif;
  font-size: 1.04rem;
  line-height: 1.9;
}

.layout > #page #article-container h2 {
  margin-top: 2rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--blog-border);
  color: var(--blog-purple-dark);
}

.layout > #page #article-container h2:first-of-type {
  margin-top: 0;
}

.layout > #page #article-container blockquote {
  margin: 0 0 1.5rem;
  padding: 0.9rem 1.2rem;
  background: var(--blog-surface-soft);
  border-left: 4px solid var(--blog-purple);
  border-radius: 10px;
}

.layout > #page #article-container ul {
  padding-left: 1.35rem;
}

.layout > #page #article-container li {
  margin: 0.45rem 0;
}

.layout > #page #article-container p,
.layout > #page #article-container li,
.layout > #page #article-container blockquote,
.layout > #page #article-container a {
  font-family: "Times New Roman", SimSun, "宋体", serif !important;
}

[data-theme="dark"] .layout > #page #article-container h2 {
  color: #d6c5ff;
}

.data-page > h1:first-child {
  margin-top: 0;
}

.page-lead {
  color: var(--blog-muted);
  line-height: 1.85;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.roadmap-track {
  padding: 1.1rem;
  background: var(--blog-surface-soft);
  border: 1px solid var(--blog-border);
  border-radius: 14px;
}

.roadmap-track h2 {
  margin-top: 0;
  color: var(--blog-purple-dark);
}

[data-theme="dark"] .roadmap-track h2 {
  color: #d6c5ff;
}

.roadmap-list {
  display: grid;
  gap: 0.6rem;
  padding: 0;
  list-style: none;
}

.roadmap-list li {
  position: relative;
  padding: 0.7rem 0.8rem 0.7rem 2.35rem;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: 10px;
}

.roadmap-list li::before {
  position: absolute;
  top: 0.88rem;
  left: 0.9rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--blog-purple);
  content: "";
}

.roadmap-list li:not(:last-child)::after {
  position: absolute;
  top: 1.55rem;
  bottom: -0.65rem;
  left: 1.18rem;
  width: 1px;
  background: var(--blog-border);
  content: "";
}

.roadmap-list a {
  color: var(--blog-purple-dark);
}

.roadmap-pending {
  color: var(--blog-muted);
  font-size: 0.82rem;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.data-card {
  padding: 1.1rem;
  background: var(--blog-surface-soft);
  border: 1px solid var(--blog-border);
  border-radius: 14px;
}

.data-card h2,
.data-card h3 {
  margin-top: 0;
}

.data-card ul {
  padding-left: 1.2rem;
}

.data-card li {
  margin: 0.35rem 0;
}

.experiment-template {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.2rem;
  margin-top: 1.2rem;
}

.experiment-template dt {
  color: var(--blog-purple-dark);
  font-weight: 700;
}

.experiment-template dd {
  margin: 0;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--blog-border);
  color: var(--blog-muted);
}

/* 侧边栏与页脚 */
#aside-content .item-headline span,
#aside-content .author-info-name,
#aside-content .author-info-description {
  color: var(--blog-text);
}

#aside-content .card-info #card-info-btn {
  background: rgba(118, 87, 200, 0.12);
  color: var(--blog-purple-dark);
  border: 1px solid var(--blog-border);
}

[data-theme="dark"] #aside-content .card-info #card-info-btn {
  color: #e1d5f4;
}

#footer {
  background: rgba(26, 17, 43, 0.74) !important;
}

#footer-wrap,
#footer-wrap a {
  color: rgba(255, 255, 255, 0.88) !important;
  text-shadow: none !important;
}

.footer-signature {
  letter-spacing: 0.03em;
}

@media screen and (max-width: 900px) {
  .layout > div:first-child,
  .layout > .aside-content,
  .layout:has(> #post) > div:first-child,
  .layout:has(> #post) > .aside-content {
    width: 100% !important;
  }

  .layout:has(> #post) {
    max-width: 100% !important;
  }

  .research-grid,
  .featured-grid,
  .project-preview-grid,
  .roadmap-grid,
  .data-grid,
  .experiment-template {
    grid-template-columns: 1fr;
  }

  .featured-item {
    display: block;
  }

  .featured-note,
  .project-status {
    display: block;
    margin-top: 0.25rem;
    white-space: normal;
  }

  #page-header.full_page {
    height: 100vh !important;
    min-height: 100vh !important;
  }

  #page-header.full_page #site-info {
    top: 50% !important;
  }

  .home-hero-actions {
    gap: 0.5rem;
  }
}

@media screen and (max-width: 480px) {
  #page-header.full_page {
    height: 100vh !important;
    min-height: 100vh !important;
  }

  .post-content {
    font-size: 1rem;
  }

  .home-hero-action {
    padding: 0.55rem 0.8rem;
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}