@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;600&display=swap");

@import "tokens.css";

@import "chrome.css";
@import "cmdk.css";
@import "colophon.css";

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background-image:
    repeating-linear-gradient(
      135deg,
      var(--stripe) 0 8px,
      transparent 8px 16px
    ),
    radial-gradient(
      ellipse at 30% 20%,
      color-mix(in oklch, var(--accent) 22%, transparent) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse at 80% 90%,
      color-mix(in oklch, var(--ink) 15%, transparent) 0%,
      transparent 60%
    );
  background-size:
    16px 16px,
    100% 100%,
    100% 100%;
}

:root[data-theme="dark"] body::before {
  mix-blend-mode: screen;
  opacity: 0.35;
}

/* All major surfaces sit above the body texture so cards stay legible. */
.chrome,
.page,
.home,
.colophon,
.footer-bar {
  position: relative;
}

a {
  color: inherit;
}

/* Skip-to-content link — hidden until keyboard-focused. */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  padding: 0.5rem 0.875rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-code);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transform: translateY(-110%);
  transition: transform 0.15s ease-out;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Visible focus outlines on all interactive elements. */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
  outline-offset: 2px;
}

#main-content:focus {
  outline: none;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px clamp(20px, 4vw, 40px) 80px;
}

.page {
  flex: 1 0 auto;
  min-height: 0;
}

/* Inner pages sit on a slightly darker surface so paper-coloured cards lift. */
.page.about,
.page.contact,
.page.projects,
.page.project,
.page.insights,
.page.insight,
.page.error {
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

/* "Crop marks" utility — two diagonal corner ticks at TL and BR. */
.cropped {
  position: relative;
}

.cropped::before,
.cropped::after {
  content: "";
  position: absolute;
  width: 0.625rem;
  height: 0.625rem;
  pointer-events: none;
}

.cropped::before {
  top: 0.375rem;
  left: 0.375rem;
  border-top: var(--border-hairline) solid var(--ink);
  border-left: var(--border-hairline) solid var(--ink);
}

.cropped::after {
  bottom: 0.375rem;
  right: 0.375rem;
  border-bottom: var(--border-hairline) solid var(--ink);
  border-right: var(--border-hairline) solid var(--ink);
}

.page-head {
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.page-head .label {
  margin: 0 0 6px;
}

.page-head h1 {
  margin: 0;
}

.page-head .lede {
  margin-top: 8px;
  max-width: 60ch;
  color: var(--ink-soft);
}

.page-body.text {
  max-width: 70ch;
}

/* — .markdown-body —
   shared "README-style" prose. used by project descriptions and
   insight bodies. h2 / h3 / h4 get a mono `##` / `###` / `####`
   glyph in the gutter, like a rendered markdown file. */
.markdown-body,
.markdown-heading {
  font-family: var(--font-body);
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.markdown-body > * + *,
.markdown-body .markdown-heading + * {
  margin-top: 0.85em;
}

.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-heading {
  font-family: var(--font-serif);
  color: var(--ink);
  line-height: 1.2;
  margin: 2rem 0 0.5rem;
  position: relative;
  padding-left: 1.6em;
}

.markdown-body h2,
.markdown-heading {
  font-size: 1.625rem;
}

.markdown-body h3 {
  font-size: 1.25rem;
  padding-left: 2em;
}
.markdown-body h4 {
  font-size: 1.0625rem;
  padding-left: 2.4em;
}

.markdown-body h2::before,
.markdown-heading::before {
  content: "##";
  position: absolute;
  left: 0;
  top: 0.05em;
  font-family: var(--font-code);
  font-size: 0.7em;
  color: var(--accent);
  letter-spacing: -0.02em;
  font-weight: 400;
}

.markdown-body h3::before {
  content: "###";
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--font-code);
  font-size: 0.7em;
  color: var(--accent);
}

.markdown-body h4::before {
  content: "####";
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--font-code);
  font-size: 0.7em;
  color: var(--accent);
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol {
  max-width: 44rem;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0.85em 0 0.85em 1.2em;
}

.markdown-body li + li {
  margin-top: 0.25em;
}

.markdown-body strong {
  color: var(--ink);
  font-weight: 600;
}

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

.markdown-body a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.markdown-body a:hover {
  color: var(--accent);
}

.markdown-body code {
  font-family: var(--font-code);
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  background: var(--paper);
  border: var(--border-hairline) solid var(--border-soft);
}

.markdown-body pre {
  margin: 1rem 0;
  padding: 0.875rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-code);
  font-size: 0.8125rem;
  line-height: 1.5;
  overflow-x: auto;
}

.markdown-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}

.markdown-body blockquote {
  margin: 1rem 0 1rem;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--paper-soft);
  color: var(--ink);
  font-style: italic;
}

.markdown-body img,
.markdown-body figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: var(--border-hairline) solid var(--border-soft);
}

.markdown-body figcaption {
  margin-top: 0.4rem;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* — shared small components —
   moved here so every template inherits the same look. per-template
   files only override these when something is genuinely page-
   specific (e.g. contact's .btn-primary fills with accent green,
   project's fills with ink black). */

/* — card chrome —
   paper bg, hairline border, generous padding. used wherever we
   want content to lift off the page texture. `--soft` swaps to the
   lighter border colour for nested or secondary blocks. */
.card {
  background: var(--paper);
  border: var(--border-hairline) solid var(--border-strong);
  padding: clamp(1.125rem, 2.5vw, 1.75rem);
  position: relative;
}

.card--soft {
  border-color: var(--border-soft);
}

.card--compact {
  padding: 0.875rem 1rem;
}

/* filter chips — projects index + insights index */
.filter-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.625rem;
  background: var(--paper);
  border: var(--border-hairline) solid var(--border-strong);
  color: var(--ink);
  font-family: var(--font-code);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition:
    background 0.15s ease-out,
    color 0.15s ease-out,
    border-color 0.15s ease-out;
}

.filter-chip:hover {
  background: var(--paper-soft);
}

.filter-chip.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.filter-chip-count {
  font-size: 0.625rem;
  color: var(--ink-muted);
  background: var(--paper-soft);
  padding: 0.05em 0.4em;
  border: var(--border-hairline) solid var(--border-soft);
}

.filter-chip.is-active .filter-chip-count {
  color: var(--paper);
  background: rgba(245, 245, 240, 0.12);
  border-color: rgba(245, 245, 240, 0.18);
}

/* prev / next pager — used by single project + single insight */
.pager-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.125rem;
  background: var(--paper);
  border: var(--border-hairline) solid var(--border-soft);
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.15s ease-out,
    box-shadow 0.15s ease-out,
    border-color 0.15s ease-out;
}

.pager-card.pager-next { text-align: right; }

.pager-empty {
  background: transparent;
  border-color: transparent;
  pointer-events: none;
}

.pager-card:not(.pager-empty):hover {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--border-strong);
  border-color: var(--border-strong);
}

.pager-direction {
  font-family: var(--font-code);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.pager-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--ink);
}

/* base button — `.btn-primary` is page-scoped because the
   accent vs. ink filling differs between contact and project */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.55rem 1rem;
  font-family: var(--font-code);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  background: var(--paper);
  color: var(--ink);
  border: var(--border-hairline) solid var(--border-strong);
  cursor: pointer;
  transition:
    transform 0.15s ease-out,
    box-shadow 0.15s ease-out,
    background 0.15s ease-out,
    color 0.15s ease-out;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--border-strong);
}