:root {
  --page-background: #e8e8e8;
  --page-gradient-top: #f0f0f0;
  --panel-background: #ffffff;
  --toolbar-background: #f2f2f2;
  --status-background: #d4d4d4;
  --border-color: #c0c0c0;
  --primary-text: #1a1a2e;
  --secondary-text: #555568;
  --muted-text: #808090;
  --address-blue: #0000cc;
  --accent-blue: #0055d4;
  --hover-blue: #eef2ff;
  --category-green: #008000;
  --category-background: #edf8ed;
  --inline-code-red: #a31515;
  --code-background: #f7f7f9;
  --number-teal: #008b8b;
  --selection-blue: #c8d8f8;
  --shadow-color: rgba(26, 26, 46, 0.06);
  --toolbar-shadow: rgba(255, 255, 255, 0.75);
  --panel-tab-background: linear-gradient(180deg, #e1e1e1 0%, #d6d6d6 100%);
  --panel-tools-background: linear-gradient(180deg, #fbfbfc 0%, #f5f5f7 100%);
  --table-head-background: #f5f5f7;
  --list-background: #fcfcfd;
  --row-divider: #e4e4e9;
  --input-background: #ffffff;
  --control-background: #f7f8fc;
  --control-alt-background: #f8f8fb;
  --notice-border: #d7d7a4;
  --notice-background: #fafadf;
  --notice-text: #6e6411;
  --quote-background: #f2fbf2;
  --quote-text: #236523;
  --inline-code-background: #fff4f4;
  --status-border: #a9a9a9;
  --status-text: #3f3f4d;
  --avatar-background: #f4f5f9;
}

:root[data-theme="dark"] {
  --page-background: #11151b;
  --page-gradient-top: #171c23;
  --panel-background: #151a22;
  --toolbar-background: #11161d;
  --status-background: #0d1218;
  --border-color: #313948;
  --primary-text: #ebeff7;
  --secondary-text: #b5bfce;
  --muted-text: #808a98;
  --address-blue: #8ab3ff;
  --accent-blue: #8db6ff;
  --hover-blue: #1a2230;
  --category-green: #88d39a;
  --category-background: rgba(34, 93, 58, 0.34);
  --inline-code-red: #ff9c9c;
  --code-background: #0f141b;
  --number-teal: #64d3ca;
  --selection-blue: #2e4d7f;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --toolbar-shadow: rgba(255, 255, 255, 0.03);
  --panel-tab-background: linear-gradient(180deg, #232b37 0%, #1a212c 100%);
  --panel-tools-background: linear-gradient(180deg, #1b222d 0%, #141a23 100%);
  --table-head-background: #1b232e;
  --list-background: #141b24;
  --row-divider: #252d39;
  --input-background: #0f141b;
  --control-background: #1a212c;
  --control-alt-background: #1b222d;
  --notice-border: #5f5624;
  --notice-background: #2c2710;
  --notice-text: #e8d77a;
  --quote-background: #142118;
  --quote-text: #a5d4b0;
  --inline-code-background: #2a1a1a;
  --status-border: #242c39;
  --status-text: #95a0af;
  --avatar-background: #0f141b;
}

* {
  box-sizing: border-box;
}

::selection {
  background: var(--selection-blue);
}

html {
  background: var(--page-background);
  color: var(--primary-text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--page-gradient-top) 0%, var(--page-background) 120px);
  color: var(--primary-text);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

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

a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  border: 1px solid var(--border-color);
  display: block;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: 14px;
}

th,
td {
  border: 1px solid var(--border-color);
  padding: 0.7rem 0.8rem;
  text-align: left;
}

th {
  background: var(--table-head-background);
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

.site-shell {
  min-height: 100vh;
  padding-bottom: 42px;
}

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 38px;
  background: var(--toolbar-background);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 0 var(--toolbar-shadow);
}

.toolbar-inner {
  width: min(100%, 1480px);
  min-height: 38px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-name {
  color: var(--primary-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toolbar-nav,
.toolbar-categories {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.toolbar-link {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid transparent;
  color: var(--secondary-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.toolbar-link:hover {
  background: var(--hover-blue);
  color: var(--accent-blue);
}

.toolbar-link.is-active {
  background: var(--panel-background);
  border-color: var(--border-color);
  color: var(--accent-blue);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--secondary-text);
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.theme-toggle:hover {
  background: var(--hover-blue);
  color: var(--accent-blue);
}

.page-frame {
  padding: 28px 16px 64px;
}

.panel {
  width: min(100%, 1360px);
  margin: 0 auto;
  background: var(--panel-background);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 24px var(--shadow-color);
}

.panel-tab {
  min-height: 28px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--panel-tab-background);
  color: var(--secondary-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.panel-tools {
  min-height: 0;
  padding: 0 36px;
  border-bottom: 1px solid transparent;
  background: var(--panel-tools-background);
}

.panel-tools.has-search {
  min-height: 68px;
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom-color: var(--border-color);
}

.panel-content {
  min-height: 560px;
  padding: 32px 36px 44px;
}

.view-intro {
  margin-bottom: 1.8rem;
}

.view-kicker {
  margin-bottom: 0.55rem;
  color: var(--muted-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.view-title,
.post-title {
  margin: 0;
  color: var(--primary-text);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1.15;
  font-weight: 600;
}

.view-summary,
.post-description,
.profile-bio {
  margin: 0.75rem 0 0;
  color: var(--secondary-text);
  max-width: 64ch;
}

.notice-card {
  margin: -0.25rem 0 1.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--notice-border);
  background: var(--notice-background);
  color: var(--notice-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
}

.search-shell {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: center;
  gap: 8px 14px;
}

.search-label,
.search-helper {
  color: var(--secondary-text);
  font-family: "JetBrains Mono", monospace;
}

.search-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-input {
  width: 100%;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  background: var(--input-background);
  color: var(--primary-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.search-input:focus {
  outline: 1px solid #8aa8f0;
  border-color: #8aa8f0;
}

.search-helper {
  grid-column: 2;
  margin: 0;
  font-size: 10.5px;
  color: var(--muted-text);
}

.year-group + .year-group {
  margin-top: 2rem;
}

.year-heading {
  margin: 0 0 0.7rem;
  color: var(--secondary-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.post-list {
  border: 1px solid var(--border-color);
  background: var(--list-background);
}

.post-row {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 14px;
  border-top: 1px solid var(--row-divider);
  color: inherit;
}

.post-row:first-child {
  border-top: 0;
}

.post-row.post-row-simple {
  grid-template-columns: 118px minmax(0, 1fr);
}

.post-row:hover {
  background: var(--hover-blue);
}

.post-row:hover .post-row-title {
  color: var(--accent-blue);
}

.post-row-date {
  color: var(--address-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  white-space: nowrap;
}

.post-row-title {
  min-width: 0;
  color: var(--primary-text);
  font-size: 14px;
  font-weight: 500;
}

.category-tag,
.tag-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 8px;
  border: 1px solid rgba(0, 128, 0, 0.36);
  background: var(--category-background);
  color: var(--category-green);
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1rem;
}

.back-link,
.action-link {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 1.1rem;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  background: var(--control-background);
  color: var(--accent-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.back-link:hover,
.action-link:hover,
.social-link:hover {
  background: var(--hover-blue);
}

.post-header {
  margin-bottom: 2rem;
}

.post-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1rem;
}

.post-meta-date {
  color: var(--address-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.markdown-body {
  color: var(--primary-text);
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 2rem 0 0.9rem;
  line-height: 1.25;
}

.markdown-body h2 {
  font-size: 1.45rem;
}

.markdown-body h3 {
  font-size: 1.18rem;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body blockquote {
  margin: 0 0 1.15rem;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.4rem;
}

.markdown-body li + li {
  margin-top: 0.35rem;
}

.markdown-body blockquote {
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--category-green);
  background: var(--quote-background);
  color: var(--quote-text);
}

.markdown-body code {
  font-family: "JetBrains Mono", monospace;
}

.markdown-body p code,
.markdown-body li code,
.markdown-body td code,
.markdown-body blockquote code {
  padding: 0.1rem 0.35rem;
  background: var(--inline-code-background);
  color: var(--inline-code-red);
  font-size: 0.9em;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 0;
  border: 1px solid var(--border-color);
  background: var(--code-background);
}

.markdown-body pre code {
  display: block;
  padding: 1rem 1.1rem;
  font-size: 12.5px;
  line-height: 1.6;
}

.markdown-body a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.14em;
}

.markdown-body strong {
  font-weight: 700;
}

.markdown-body em {
  font-style: italic;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1.6rem;
}

.about-profile {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.profile-avatar {
  width: 112px;
  aspect-ratio: 1;
  border: 1px solid var(--border-color);
  background: var(--avatar-background);
  object-fit: cover;
}

.about-profile-body {
  min-width: 0;
}

.social-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--border-color);
  background: var(--control-alt-background);
  color: var(--accent-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.loading-state,
.error-state,
.empty-state {
  color: var(--secondary-text);
}

.empty-state {
  padding: 1rem 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.status-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  min-height: 26px;
  background: var(--status-background);
  border-top: 1px solid var(--status-border);
}

.status-bar-inner {
  width: min(100%, 1480px);
  min-height: 26px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.status-label,
.status-context {
  color: var(--status-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}

.status-context {
  overflow: hidden;
  text-overflow: ellipsis;
}

.hljs {
  color: var(--primary-text);
  background: transparent;
}

.hljs-comment,
.hljs-quote {
  color: var(--category-green);
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-subst,
.hljs-title.function_,
.hljs-type {
  color: var(--accent-blue);
}

.hljs-string,
.hljs-attr,
.hljs-doctag,
.hljs-meta .hljs-string {
  color: var(--inline-code-red);
}

.hljs-number,
.hljs-literal,
.hljs-symbol,
.hljs-variable.constant_,
.hljs-bullet {
  color: var(--number-teal);
}

.hljs-built_in,
.hljs-title.class_,
.hljs-section {
  color: #6f42c1;
}

.hljs-operator,
.hljs-punctuation {
  color: var(--secondary-text);
}

@media (max-width: 820px) {
  .toolbar-inner,
  .status-bar-inner {
    width: 100%;
  }

  .panel-content {
    padding: 22px 18px 34px;
  }

  .panel-tools {
    padding-right: 18px;
    padding-left: 18px;
  }
}

@media (max-width: 640px) {
  .toolbar-inner {
    align-items: flex-start;
    padding-top: 6px;
    padding-bottom: 6px;
    flex-direction: column;
  }

  .page-frame {
    padding-top: 18px;
  }

  .about-profile {
    grid-template-columns: 1fr;
  }

  .profile-avatar {
    width: 96px;
  }

  .search-shell {
    grid-template-columns: 1fr;
  }

  .search-helper {
    grid-column: auto;
  }

  .post-row {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 11px 14px;
    gap: 5px;
  }

  .status-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-top: 4px;
    padding-bottom: 4px;
  }
}