/* Coding Saint: Saffron Ink light/dark and Indigo Dusk.
   Keep the bindu red inside the mark; UI emphasis uses ink and indigo. */
@font-face {
  font-family: "Manrope";
  src: url("vendor/fonts/manrope-variable.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root, [data-theme="light"] {
  color-scheme: light;
  --font-sans: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", monospace;
  --bg: #ffffff;
  --bg-elev: #ffffff;
  --bg-sunk: #f4f3ef;
  --surface: #f4f3ef;
  --text: #0b0d12;
  --text-soft: #5a5f6b;
  --border: #e2e0da;
  --accent: #1f1a4d;
  --accent-soft: #f4f3ef;
  --sub: #5a5f6b;
  --sub-soft: #f4f3ef;
  --ok: #1f1a4d;
  --ok-soft: #f4f3ef;
  --info: #1f1a4d;
  --info-soft: #f4f3ef;
  --lld: #1f1a4d;
  --hld: #1f1a4d;
  --ai: #1f1a4d;
  --dsa: #1f1a4d;
  --ink: #0b0d12;
  --paper: #f4f3ef;
  --shadow: none;
  --topbar-height: 76px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d12;
  --bg-elev: #16191f;
  --bg-sunk: #0b0d12;
  --surface: #16191f;
  --text: #ffffff;
  --text-soft: #a0a6b0;
  --border: #262a33;
  --accent: #ffffff;
  --accent-soft: #262a33;
  --sub: #a0a6b0;
  --sub-soft: #16191f;
  --ok: #ffffff;
  --ok-soft: #16191f;
  --info: #ffffff;
  --info-soft: #16191f;
  --lld: #ffffff;
  --hld: #ffffff;
  --ai: #ffffff;
  --dsa: #ffffff;
  --ink: #ffffff;
  --paper: #16191f;
  --shadow: none;
}

body { font-size: 15px; line-height: 1.8; font-feature-settings: normal; }
h1, h2, h3 { font-weight: 700; letter-spacing: -.035em; }
a { text-underline-offset: 4px; }
button, input, select, textarea { font-family: var(--font-sans); }
:where(a, button, summary, input, select, textarea):focus-visible {
  outline: 2px solid var(--text); outline-offset: 4px;
}
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 30; padding: 10px 16px; background: var(--bg); color: var(--text); }
.skip-link:focus { top: 10px; }
.topbar { height: var(--topbar-height); padding: 0 28px; gap: 18px; background: var(--bg); box-shadow: none; }
.brand { display: inline-flex; align-items: center; gap: 16px; color: var(--text); flex-shrink: 0; }
.brand::after { display: none; }
.kb-monogram { font-size: 25px; font-weight: 700; letter-spacing: -.06em; }
.brand-divider { height: 25px; width: 1px; background: var(--border); }
.brand-parent { display: flex; align-items: center; gap: 10px; }
.brand-parent small { font: 9px var(--font-mono); color: var(--text-soft); }
.cs-wordmark { font-family: var(--font-sans); display: inline-flex; align-items: center; color: var(--text); font-size: 19px; font-weight: 400; letter-spacing: -.065em; line-height: 1; }
.cs-wordmark strong { font-weight: 700; }
.cs-mark { width: 10px; height: 22px; margin-left: 3px; }
.icon-btn { width: 38px; height: 38px; border-radius: 5px; }
.layout { height: calc(100vh - var(--topbar-height)); height: calc(100dvh - var(--topbar-height)); }
.sidebar { background: var(--bg); padding: 22px 16px 40px; }
.sidebar-home { display: block; padding: 22px 8px 0; margin-top: 20px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-soft); text-decoration: none; }
.filter { background: var(--surface); border-radius: 5px; padding: 11px 12px; font-size: 12px; margin-bottom: 22px; }
.track { margin-bottom: 16px; }
.track > summary { font: 500 10px/1.6 var(--font-mono); letter-spacing: .06em; color: var(--text-soft); }
.track-dot { width: 5px; height: 5px; }
.subtrack > summary { font-size: 12px; color: var(--text); }
.items a { padding: 7px 8px; font-size: 12px; line-height: 1.5; border-radius: 4px; }
.items a.active { color: var(--text); }
.items .num, .count { font-size: 10px; }
.content { padding: 40px 44px 80px; }
h1.title { color: var(--text); font-size: clamp(28px, 3vw, 40px); font-weight: 700; letter-spacing: -.045em; }
.card, .stat { border-radius: 6px; box-shadow: none; padding: 24px; }
.card > h2 { color: var(--text); font-size: 16px; font-weight: 700; }
.btn { border-radius: 5px; padding: 9px 15px; font-size: 12px; font-weight: 700; line-height: 1.5; }
.btn.primary { font-weight: 700; }
.btn.primary:hover { filter: none; opacity: .9; }
.ai-chip { border-radius: 5px; height: 34px; font-size: 11px; }
.pill { background: var(--surface); color: var(--text-soft); font-size: 11px; }
.badge { border-radius: 4px; font-family: var(--font-mono); font-size: 10px; }
.seg-btn, .chip, .vbtn { border-radius: 5px; }
.ai-dialog { border-radius: 8px; padding: 28px; }
.ai-dialog::backdrop { background: #0b0d1280; }
.toastui-editor-defaultUI { border-radius: 6px !important; }
.toastui-editor-contents { font-family: var(--font-sans) !important; }
.toastui-editor-contents h1, .toastui-editor-contents h2 { color: var(--text) !important; font-weight: 700 !important; }
.toastui-editor-contents h3, .toastui-editor-contents h4 { color: var(--text) !important; }
.toastui-editor-contents pre { border-radius: 5px; }
.toastui-editor-contents pre code { font-family: var(--font-mono) !important; }
.diagram text, .lp-diagram text { font-family: var(--font-sans); }
.cs-eyebrow { font: 10px/1.8 var(--font-mono); letter-spacing: .1em; color: var(--text-soft); margin: 0 0 20px; }
.home { max-width: 1280px; margin: 0 auto; }
.workspace-intro { padding: 4px 0 30px; }
.workspace-intro h1 { color: var(--text); font-size: clamp(28px, 3.5vw, 44px); font-weight: 700; letter-spacing: -.05em; line-height: 1.2; margin: 0 0 18px; }
.workspace-intro p:last-child { margin: 0; }
.workspace-paths { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--border); margin: 0 0 40px; }
.workspace-paths a { display: flex; align-items: center; gap: 16px; padding: 22px 16px; border-bottom: 1px solid var(--border); color: var(--text); text-decoration: none; }
.workspace-paths a:hover { background: var(--surface); }
.workspace-paths a > span:first-child { font: 10px var(--font-mono); color: var(--text-soft); min-width: 28px; }
.workspace-paths a > span:last-child { margin-left: auto; }
.workspace-paths b { font-size: 13px; font-weight: 700; }
.progress-heading { font-size: 18px; font-weight: 700; }
.stat .k { font: 9px var(--font-mono); color: var(--text-soft); letter-spacing: .05em; }
.stat .v { color: var(--text); font-size: 32px; font-weight: 700; margin: 10px 0; }
.stat .small { font-size: 11px; }
.bar { height: 5px; }
.bar.thin { height: 3px; }

/* Public product page: the same calm editorial rhythm as codingsaint.com. */
.lp { max-width: 1240px; padding: 0 44px 50px; }
.lp-hero { gap: 64px; min-height: 0; padding: 78px 0 72px; grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
.lp-title { font-size: clamp(36px,4vw,57px); line-height: 1.1; font-weight: 700; letter-spacing: -.055em; color: var(--text); }
.lp-title span:nth-child(2), .lp-title span:nth-child(3) { padding: 0; }
.lp-title span:last-child { color: var(--text-soft); }
.lp-sub { color: var(--text-soft); font-size: 15px; line-height: 1.9; margin-top: 24px; }
.lp-cta { gap: 18px; margin-top: 28px; }
.lp-go { font-size: 12px; padding: 15px 20px; border-radius: 5px; }
.lp-browse { font-size: 12px; font-weight: 700; }
.lp-trust { font-size: 11px; line-height: 1.9; margin-top: 20px; }
.lp-board { margin: 0; padding: 0 22px 24px; border-radius: 7px; background: var(--bg-elev); border-color: var(--border); box-shadow: 10px 12px 0 var(--surface); }
.cs-example-label { display: flex; justify-content: space-between; gap: 10px; background: #1f1a4d; color: #b9b4e0; padding: 17px 22px; margin: 0 -22px 22px; border-radius: 6px 6px 0 0; font: 8px/1.6 var(--font-mono); letter-spacing: .05em; }
.cs-example-label span { font: 9px var(--font-sans); letter-spacing: 0; }
.lp-board-head { display: block; }
.lp-board-head b { display: block; font-size: 18px; font-weight: 700; color: var(--text); }
.lp-board-head span { display: block; font: 9px/1.8 var(--font-mono); color: var(--text-soft); margin-top: 8px; }
.lp-diagram { min-height: 150px; margin-top: 16px; }
.lp-hand { font: 11px/1.8 var(--font-sans); transform: none; max-width: none; color: var(--text-soft); border-top: 1px solid var(--border); padding-top: 15px; margin: 14px 0 0; }
.lp-verdict { position: static; width: auto; padding: 16px; margin-top: 18px; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 4px; box-shadow: none; background: var(--surface); font-size: 11px; line-height: 1.7; animation: none; }
.lp-verdict p { animation: none; }
.lp-v-head { font-size: 10px; }
.lp-v-head b { color: var(--text); font-size: 13px; font-weight: 700; }
.lp h2 { color: var(--text); font-size: clamp(26px,3vw,36px); font-weight: 700; letter-spacing: -.045em; line-height: 1.25; }
.lp-steps, .lp-inside, .lp-price, .lp-faq { padding-top: 60px; margin-top: 20px; border-top: 1px solid var(--border); }
.lp-steps ol { gap: 24px; margin-top: 40px; }
.lp-steps li { border-top: 1px solid var(--border); padding-top: 10px; }
.lp-steps li::before { position: static; display: block; background: none; width: auto; height: auto; border-radius: 0; color: var(--text-soft); font: 11px var(--font-mono); content: "0" counter(lp); padding-top: 8px; }
.lp-steps li b { font-size: 14px; font-weight: 700; margin-top: 14px; }
.lp-steps li span { font-size: 12px; line-height: 1.8; margin-top: 12px; }
.lp-inside dl { gap: 0 44px; }
.lp-inside dl > div { border-top: 1px solid var(--border); padding: 26px 0; }
.lp-inside dt { color: var(--text); font-size: 15px; font-weight: 700; gap: 20px; }
.lp-n { color: var(--text); font-size: 36px; font-weight: 700; min-width: 74px; }
.lp-inside dd { color: var(--text-soft); font-size: 13px; }
.lp-plan { background: var(--surface); border-radius: 5px; }
.lp-plan h3 { color: var(--text); font-weight: 700; }
.lp-faq { max-width: none; }
.lp-faq summary { font-size: 14px; font-weight: 700; }
.lp-faq p { font-size: 13px; color: var(--text-soft); max-width: 75ch; }
.lp-end { background: #1f1a4d; color: #fff; padding: 32px; border-radius: 6px; margin-top: 60px; justify-content: space-between; }
.lp-end p { color: #fff; font-size: 25px; font-weight: 700; letter-spacing: -.04em; line-height: 1.3; }
.lp-end .btn.primary { background: #fff; color: #1f1a4d; border-color: #fff; }
.cs-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 26px; margin-top: 60px; padding-top: 30px; border-top: 1px solid var(--border); }
.cs-footer p { font-size: 11px; color: var(--text-soft); margin: 0 auto 0 0; }
.cs-footer > a { text-decoration: none; font-size: 11px; color: var(--text-soft); }
.cs-footer > a:hover { text-decoration: underline; }

@media (max-width: 1100px) {
  .progress-bars { width: 100px; }
  .progress-text { font-size: 11px; }
  .lp-hero { gap: 35px; }
  .lp-title { font-size: 43px; }
  .topbar { padding-inline: 18px; gap: 12px; }
  .brand { gap: 12px; }
  .content { padding-inline: 28px; }
}
@media (max-width: 920px) {
  .lp { padding: 0 28px 40px; }
  .lp-hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 0 38px; }
  .lp-pitch { max-width: 620px; }
  .lp-title { font-size: clamp(38px,7vw,60px); }
  .lp-board { max-width: 620px; width: 100%; }
  .lp-verdict { margin: 18px 0 0; }
  .lp-steps ol { padding-left: 0; gap: 22px; }
  .lp-steps li { border-left: 0; border-top: 1px solid var(--border); padding: 16px 0 0; }
  .lp-steps li::before { padding-top: 0; }
  .lp-steps li b { margin-top: 12px; }
  .lp-inside dl { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 28px; }
}
@media (max-width: 780px) {
  :root { --topbar-height: 68px; }
  .topbar { padding-inline: 14px; gap: 10px; }
  .brand-parent { gap: 6px; }
  .brand-parent small { display: none; }
  .cs-wordmark { font-size: 16px; }
  .cs-mark { width: 8px; height: 19px; }
  .kb-monogram { font-size: 22px; }
  .brand { gap: 10px; }
  .brand-divider { height: 20px; }
  .progress { margin-left: auto; }
  .progress-bars { width: 50px; }
  .sidebar { top: var(--topbar-height); }
  .content { padding: 28px 18px 60px; }
  .workspace-paths { grid-template-columns: 1fr; }
  .workspace-paths a { padding: 19px 10px; }
  .card, .stat { padding: 20px; }
  .demo-banner { gap: 6px; }
  .demo-banner .small-btn { padding: 7px 10px; font-size: 11px; }
  .brand-parent { display: none; }
  .brand-divider { display: none; }
  body.landing .brand-parent, body.landing .brand-divider { display: flex; }
  body.landing .topbar { gap: 8px; }
  .lp { padding-inline: 20px; }
  .lp-hero { padding-top: 38px; }
  .lp-title { font-size: clamp(36px,8.5vw,55px); }
  .lp-sub { font-size: 14px; }
  .lp-board { box-shadow: 5px 7px 0 var(--surface); }
  .lp-inside dl { grid-template-columns: 1fr; }
  .lp-inside dt { font-size: 14px; }
  .lp-end { padding: 28px 22px; gap: 24px; }
  .lp-end p { font-size: 23px; }
  .cs-footer { gap: 18px; }
  .cs-footer p { flex-basis: calc(100% - 160px); margin: 0; font-size: 10px; }
}
@media (max-width: 380px) {
  body.landing .brand-parent, body.landing .brand-divider { display: none; }
  .topbar { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}