:root {
  color-scheme: dark;
  --bg: #141414;
  --panel: #242424;
  --text: #e0e0e0;
  --muted: #737373;
  --accent: #4ade80;
  --line: #313131;
  --code-bg: #1b1b1b;
  --max-w: 1080px;
  --header-offset: 86px;
}

* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: #3b3b3b #121212;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: #121212;
}

*::-webkit-scrollbar-thumb {
  background: #3b3b3b;
  border: 2px solid #121212;
  border-radius: 999px;
}

*::-webkit-scrollbar-thumb:hover {
  background: #505050;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, #1a1a1a, var(--bg) 35%);
  color: var(--text);
  line-height: 1.6;
  overscroll-behavior-y: none;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 97%, rgba(255, 255, 255, 0.025) 100%);
  background-size: 100% 3px;
  opacity: 0.22;
}

.mono {
  font-family: "JetBrains Mono", "Roboto Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(20, 20, 20, 0.97);
  backdrop-filter: blur(3px);
}

.brand {
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.03em;
  font-weight: 700;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  border-bottom: 1px solid transparent;
}

.top-nav a:hover,
.top-nav a:focus-visible,
.top-nav a.active {
  color: var(--accent);
  border-color: var(--accent);
}

main {
  width: min(100% - 2.5rem, var(--max-w));
  margin: 0 auto;
  padding-bottom: 5rem;
}

.section {
  margin-top: clamp(2.2rem, 6vw, 5rem);
  scroll-margin-top: var(--header-offset);
}

.hero {
  padding-top: 1.2rem;
}

.kicker {
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: lowercase;
  margin: 0 0 1rem;
  font-size: 0.83rem;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 3.5rem);
  line-height: 1.1;
  max-width: 17ch;
  margin: 0;
}

.kb-page-title {
  max-width: none;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.lede {
  margin-top: 1.2rem;
  max-width: 62ch;
  color: #b8b8b8;
}

.section-head {
  margin-bottom: 1.25rem;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
}

.section-head p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.subsection-title {
  margin: 1rem 0 0.75rem;
  color: #cecece;
  font-size: 1rem;
}

.education-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.education-line {
  margin: 0;
  color: #cfcfcf;
}

.education-badges {
  margin-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.edu-badge {
  border: 1px solid #3a3a3a;
  color: #c7c7c7;
  padding: 0.16rem 0.45rem;
  font-size: 0.76rem;
}

.education-plan {
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  background: rgba(36, 36, 36, 0.4);
}

.education-plan summary {
  cursor: pointer;
  padding: 0.55rem 0.7rem;
  color: var(--accent);
}

.schedule-grid {
  padding: 0.75rem;
  display: grid;
  gap: 0.8rem;
}

.schedule-year {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.7rem;
}

.schedule-year h3 {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
}

.schedule-terms {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.schedule-term {
  border: 1px solid #363636;
  padding: 0.55rem;
}

.schedule-term-head {
  margin: 0 0 0.35rem;
  color: #b7eecf;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.course-lines p {
  margin: 0.24rem 0;
  font-size: 0.83rem;
  color: #c7c7c7;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
}

.timeline-item h3 {
  margin: 0.15rem 0 0.55rem;
  font-size: 1.08rem;
}

.timeline-meta {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
}

.edu-stat {
  margin: 0.45rem 0;
  color: #cecece;
}

.compact-list {
  margin: 0.5rem 0;
  padding-left: 1rem;
  color: #c8c8c8;
}

.tools {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.arena-grid,
.arsenal-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.panel,
.tool-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
}

.panel {
  grid-column: span 6;
}

.metric {
  margin: 0.45rem 0;
  color: #bfbfbf;
}

.tool-card {
  grid-column: span 6;
}

.tool-card h3,
.panel h3 {
  margin-top: 0;
}

.tool-card a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  font-size: 0.9rem;
}

.private-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: #a7f3d0;
  border: 1px solid #3f6b53;
  padding: 0.12rem 0.36rem;
}

.kb-entry {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
}

.kb-launch {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: 0.32rem 0.5rem;
  display: inline-block;
}

.nav-link-disabled {
  pointer-events: none;
  opacity: 0.5;
  filter: grayscale(0.3);
}

.kb-page-main {
  width: min(100% - 2.5rem, 1220px);
}

.vault-shell {
  position: relative;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--panel);
  min-height: 72vh;
}

.vault-sidebar {
  border-right: 1px solid var(--line);
  padding: 1rem;
  position: sticky;
  top: 4.5rem;
  max-height: calc(100vh - 5rem);
  overflow: auto;
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.sidebar-head h2 {
  margin: 0;
  font-size: 0.88rem;
  color: #d0d0d0;
}

.sidebar-close {
  display: none;
}

.topic-group {
  color: var(--accent);
  font-size: 0.82rem;
  margin: 0.8rem 0 0.3rem;
}

.toc-subheader {
  color: #b7b7b7;
  font-size: 0.79rem;
  margin: 0.7rem 0 0.2rem;
  padding-left: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.toc-placeholder {
  display: block;
  color: #7e7e7e;
  margin: 0.25rem 0;
  padding-left: 0.5rem;
  border-left: 1px dashed #424242;
  font-size: 0.95rem;
}

.vault-sidebar a {
  display: block;
  color: #c4c4c4;
  text-decoration: none;
  margin: 0.25rem 0;
  border-left: 1px solid transparent;
  padding-left: 0.5rem;
  font-size: 0.95rem;
}

.vault-sidebar a:hover,
.vault-sidebar a:focus-visible,
.vault-sidebar a.active {
  color: var(--text);
  border-color: var(--accent);
}

.vault-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.vault-toolbar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 1rem;
}

.prompt {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
}

.hamburger,
.sidebar-close {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}

.hamburger:hover,
.sidebar-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.kb-article {
  padding: 1rem;
}

.kb-article h1,
.kb-article h2,
.kb-article h3,
.kb-article h4 {
  margin: 1.2rem 0 0.45rem;
  max-width: none;
  line-height: 1.25;
}

.kb-article h1 {
  font-size: 1.45rem;
}

.kb-article h2 {
  font-size: 1.25rem;
}

.kb-article h3 {
  font-size: 1.1rem;
}

.kb-article p {
  margin: 0 0 0.8rem;
  color: #c8c8c8;
}

.kb-article ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.2rem;
}

.kb-article li {
  margin: 0.3rem 0;
  color: #c8c8c8;
}

.kb-article a {
  color: #a7f3d0;
}

.kb-article code {
  font-family: "JetBrains Mono", "Roboto Mono", monospace;
  font-size: 0.86rem;
}

.kb-article p code,
.kb-article li code {
  color: #a7f3d0;
}

.kb-article pre {
  margin: 0.8rem 0 1.2rem;
  background: var(--code-bg);
  border: 1px solid #2c2c2c;
  overflow-x: auto;
  position: relative;
  padding: 0.95rem 0.9rem;
}

.kb-article pre code {
  color: #d4d4d4;
  white-space: pre;
}

.code-copy {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
}

.sidebar-scrim {
  display: none;
}

.resume-page {
  background: #1a1a1a;
}

.resume-main {
  width: min(100% - 2.5rem, 1180px);
  margin: 1.4rem auto 2rem;
  padding-bottom: 1rem;
}

.resume-full {
  width: 100%;
  height: calc(100vh - 165px);
  border: 1px solid #2e2e2e;
  background: #1a1a1a;
  display: block;
}

.ai-note {
  color: #a7f3d0;
  border-bottom: 1px dotted #6bb78b;
  cursor: help;
}

.site-footer {
  margin: 2.5rem auto 2rem;
  width: min(100% - 2.5rem, var(--max-w));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  padding-top: 1rem;
}

@media (max-width: 900px) {
  .panel,
  .tool-card,
  .schedule-terms {
    grid-column: span 12;
  }

  .schedule-terms {
    grid-template-columns: 1fr;
  }

  .vault-shell {
    grid-template-columns: 1fr;
    min-height: auto;
    overflow: hidden;
  }

  .vault-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(82vw, 320px);
    height: 100dvh;
    max-height: none;
    z-index: 80;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    transform: translateX(-100%);
    transition: transform 180ms ease;
    background: #1b1b1b;
  }

  .sidebar-close,
  .hamburger {
    display: inline-block;
  }

  .vault-shell.menu-open .vault-sidebar {
    transform: translateX(0);
  }

  .sidebar-scrim {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 150ms ease;
    z-index: 70;
  }

  .vault-shell.menu-open .sidebar-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .prompt {
    font-size: 0.74rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .resume-full {
    height: calc(100vh - 150px);
  }
}

/* Home list replacements */
.tag-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.tag-card {
  grid-column: span 6;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.7rem 0.8rem;
  color: #cdcdcd;
}

/* KB TOC depth cues */
.vault-sidebar a.toc-depth-1 {
  padding-left: 1rem;
}

.vault-sidebar a.toc-depth-2 {
  padding-left: 1.5rem;
  color: #b9b9b9;
}

.vault-sidebar a.toc-depth-3 {
  padding-left: 2rem;
  color: #b0b0b0;
}

/* Better glyph fallback for imported notes */
.kb-article,
.kb-article p,
.kb-article li,
.kb-article code {
  font-family: "Inter", "Segoe UI", "Segoe UI Symbol", "Noto Sans Symbols 2", sans-serif;
}

@media (max-width: 900px) {
  .tag-card {
    grid-column: span 12;
  }
}




.education-prior {
  margin: 0.55rem 0 0;
  color: #9f9f9f;
  font-size: 0.78rem;
}



/* KB full-viewport layout and split scrolling */
.kb-layout-page {
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kb-layout-page .site-header,
.kb-layout-page .site-footer {
  flex: 0 0 auto;
}

.kb-layout-page .kb-page-main {
  width: min(100% - 2.5rem, 1220px);
  margin: 0 auto;
  padding-bottom: 0;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}

.kb-layout-page .vault {
  margin-top: 0.75rem;
  margin-bottom: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.kb-layout-page .section-head {
  margin-bottom: 0.8rem;
}

.kb-layout-page .vault-shell {
  min-height: 0;
  height: 100%;
  flex: 1 1 auto;
}

.kb-layout-page .vault-sidebar {
  position: static;
  top: auto;
  max-height: none;
  overflow: auto;
}

.kb-layout-page .vault-main {
  min-height: 0;
}

.kb-layout-page .kb-article {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

.kb-layout-page .site-footer {
  margin: 0 auto;
  padding-top: 0.7rem;
  padding-bottom: 0.65rem;
}

.vault-sidebar,
.kb-article {
  scrollbar-width: thin;
  scrollbar-color: #4b4b4b #1a1a1a;
}

.vault-sidebar::-webkit-scrollbar,
.kb-article::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.vault-sidebar::-webkit-scrollbar-track,
.kb-article::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.vault-sidebar::-webkit-scrollbar-thumb,
.kb-article::-webkit-scrollbar-thumb {
  background: #4b4b4b;
  border-radius: 999px;
  border: 1px solid #1a1a1a;
}

.vault-sidebar::-webkit-scrollbar-thumb:hover,
.kb-article::-webkit-scrollbar-thumb:hover {
  background: #5f5f5f;
}

.schedule-grid .education-prior {
  margin: 0.8rem 0 0;
  padding-top: 0.65rem;
  border-top: 1px solid #323232;
}

@media (max-width: 900px) {
  .kb-layout-page {
    overflow: auto;
    height: auto;
    min-height: 100vh;
  }

  .kb-layout-page .kb-page-main {
    display: block;
    min-height: auto;
  }

  .kb-layout-page .vault {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 0.85rem 0.9rem;
  }

  .top-nav {
    display: none;
  }

  main {
    width: min(100% - 1.4rem, var(--max-w));
  }

  .kb-page-main {
    width: min(100% - 1.4rem, 1220px);
  }

  .kb-entry {
    display: none;
  }
}