/* prashantr.net — aligned with site-redesign prototype */
/* Fonts loaded via overrides/main.html (preload, non-blocking) */

/* Reduce CLS from font swap by sizing fallbacks close to web fonts */
html {
  font-size-adjust: from-font;
}

:root {
  --pr-bg: #0a0a0b;
  --pr-bg-elevated: #111113;
  --pr-bg-card: #161619;
  --pr-bg-card-hover: #1c1c20;
  --pr-border: rgba(255, 255, 255, 0.06);
  --pr-border-hover: rgba(255, 255, 255, 0.12);
  --pr-text: #f0efe9;
  --pr-text-secondary: rgba(240, 239, 233, 0.65);
  --pr-text-tertiary: rgba(240, 239, 233, 0.42);
  --pr-accent: #c8ff00;
  --pr-accent-dim: rgba(200, 255, 0, 0.12);
  --pr-blue: #5b9aff;
  --pr-blue-dim: rgba(91, 154, 255, 0.1);
  --pr-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pr-font-display: "Instrument Serif", Georgia, serif;
  --pr-font-body: "DM Sans", -apple-system, sans-serif;
  --pr-font-mono: "JetBrains Mono", monospace;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: var(--pr-bg);
  --md-default-fg-color: var(--pr-text);
  --md-default-fg-color--light: var(--pr-text-secondary);
  --md-default-fg-color--lighter: var(--pr-text-tertiary);
  --md-default-fg-color--lightest: rgba(240, 239, 233, 0.15);
  --md-primary-fg-color: var(--pr-accent);
  --md-accent-fg-color: var(--pr-accent);
  --md-typeset-a-color: var(--pr-accent);
  --md-code-bg-color: rgba(255, 255, 255, 0.06);
  --md-code-fg-color: var(--pr-text);
}

html {
  font-family: var(--pr-font-body);
}

body {
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
}

/* Header */
.md-header {
  background: rgba(10, 10, 11, 0.72) !important;
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--pr-border);
  box-shadow: none !important;
}

.md-header__topic .md-ellipsis {
  font-family: var(--pr-font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.pr-header-brand {
  color: inherit !important;
  text-decoration: none !important;
  cursor: pointer;
}

.pr-header-brand:hover {
  opacity: 0.92;
}

.pr-header-brand::after {
  content: ".";
  color: var(--pr-accent);
}

.md-header__topic .md-ellipsis:not(:has(.pr-header-brand))::after {
  content: ".";
  color: var(--pr-accent);
}

.md-search__form {
  border-radius: 8px;
  border: 1px solid var(--pr-border);
  background: transparent !important;
}

.md-search__input {
  font-size: 0.8rem !important;
}

@media (min-width: 960px) {
  .md-header__option[data-md-component="palette"] {
    display: none;
  }
}

/* Tabs = main nav */
.md-tabs {
  background: rgba(10, 10, 11, 0.85) !important;
  border-bottom: 1px solid var(--pr-border);
}

.md-tabs__link {
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.02em;
  color: var(--pr-text-secondary) !important;
  border-radius: 6px;
  margin: 0.15rem 0.1rem;
  padding: 0.4rem 0.85rem !important;
  opacity: 1 !important;
}

.md-tabs__link:hover {
  color: var(--pr-text) !important;
  background: rgba(255, 255, 255, 0.04);
}

.md-tabs__item--active .md-tabs__link {
  color: var(--pr-accent) !important;
  background: var(--pr-accent-dim) !important;
}

.md-tabs__list {
  contain: none;
}

/* Sidebar */
.md-nav__link--active {
  color: var(--pr-accent) !important;
  background: var(--pr-accent-dim);
  border-radius: 6px;
}

.md-nav__link:hover {
  color: var(--pr-text) !important;
}

.md-sidebar {
  background: var(--pr-bg) !important;
}

.md-nav__title {
  font-family: var(--pr-font-mono);
  font-size: 0.65rem !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pr-text-tertiary) !important;
}

/* Content */
.md-typeset h1 {
  font-family: var(--pr-font-display);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--pr-text);
}

.md-typeset h2 {
  font-family: var(--pr-font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.md-typeset {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--pr-text-secondary);
}

.md-typeset strong {
  color: var(--pr-text);
}

.md-typeset a {
  color: var(--pr-accent);
}

.md-typeset a:hover {
  opacity: 0.9;
}

/* Wiki + blog: smaller, calmer reading (not home hero) */
article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) {
  font-size: 0.875rem;
  line-height: 1.78;
  letter-spacing: 0.012em;
  font-weight: 400;
  color: rgba(240, 239, 233, 0.78);
  max-width: 42rem;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) h1 {
  font-size: clamp(1.45rem, 2.8vw, 1.75rem);
  line-height: 1.24;
  margin-top: 0;
  margin-bottom: 0.55em;
  letter-spacing: -0.028em;
  color: rgba(248, 247, 242, 0.98);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) h2 {
  font-size: 1.08rem;
  line-height: 1.32;
  margin-top: 1.55em;
  margin-bottom: 0.42em;
  letter-spacing: -0.018em;
  color: rgba(248, 247, 242, 0.95);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) h3 {
  font-size: 0.96rem;
  margin-top: 1.25em;
  margin-bottom: 0.35em;
  line-height: 1.35;
  color: rgba(240, 239, 233, 0.92);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) h4 {
  font-size: 0.9rem;
  margin-top: 1.1em;
  color: rgba(240, 239, 233, 0.88);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) p {
  margin-bottom: 0.9em;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) ul,
article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) ol {
  margin-top: 0.45em;
  margin-bottom: 0.9em;
  padding-left: 1.2rem;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) li {
  margin-bottom: 0.32em;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) li::marker {
  color: rgba(200, 255, 0, 0.45);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) strong {
  color: rgba(248, 247, 242, 0.96);
  font-weight: 600;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) code {
  font-size: 0.86em;
  font-weight: 450;
  padding: 0.1em 0.32em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) pre,
article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .highlight pre {
  font-size: 0.8rem;
  line-height: 1.62;
  border-radius: 8px;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) blockquote {
  border-left: 3px solid rgba(200, 255, 0, 0.22);
  color: rgba(240, 239, 233, 0.7);
  font-size: 0.96em;
  line-height: 1.72;
  padding-left: 1rem;
  margin: 1em 0;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) hr {
  margin: 1.5em 0;
  border-color: rgba(255, 255, 255, 0.06);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) table:not([class]) {
  font-size: 0.9em;
  line-height: 1.55;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .admonition {
  font-size: 0.9em;
  line-height: 1.65;
  border-radius: 8px;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .tabbed-labels > label {
  font-size: 0.82rem;
}

/* Blog index layout (filters + rows) inherits readable scale */
article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .blog-header p {
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(240, 239, 233, 0.68);
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .blog-post-row h3 {
  font-size: 1.05rem;
}

article.md-content__inner.md-typeset:not(:has(.pr-home-hero)) .blog-post-row p {
  font-size: 0.82rem;
  line-height: 1.58;
}

/* Footer */
.md-footer-meta {
  background: var(--pr-bg) !important;
  border-top: 1px solid var(--pr-border);
  padding: 2rem 1.5rem !important;
}

.md-footer-copyright {
  font-size: 0.78rem !important;
  color: var(--pr-text-tertiary) !important;
}

.md-social__link {
  color: var(--pr-text-tertiary) !important;
}

.md-social__link:hover {
  color: var(--pr-text-secondary) !important;
}

/* ========== Home (pr-home) — compact vertical rhythm ========== */
body:has(.pr-home-hero) .md-main__inner {
  padding-top: 0.1rem !important;
  padding-bottom: 0.85rem !important;
}

body:has(.pr-home-hero) .md-content {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

body:has(.pr-home-hero) article.md-content__inner {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

body:has(.pr-home-hero) article.md-content__inner > :first-child {
  margin-top: 0 !important;
}

.pr-home-hero {
  padding: 0.35rem 0 1.1rem;
  max-width: 1120px;
  margin: 0 auto;
  position: relative;
}

.pr-home-hero::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 220px;
  background: radial-gradient(ellipse, rgba(200, 255, 0, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.pr-eyebrow {
  font-family: var(--pr-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--pr-accent);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pr-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--pr-accent);
}

.pr-hero-title {
  font-family: var(--pr-font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  color: var(--pr-text);
  font-weight: 400;
}

.pr-hero-title em {
  font-style: italic;
  color: var(--pr-accent);
}

.pr-hero-intro {
  font-size: 1.05rem;
  color: var(--pr-text-secondary);
  max-width: 560px;
  line-height: 1.62;
  margin-bottom: 0.85rem;
}

.pr-hero-ctas {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.pr-btn-primary {
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--pr-accent);
  color: #0a0a0b !important;
  border-radius: 8px;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pr-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(200, 255, 0, 0.18);
}

.pr-btn-ghost {
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 500;
  background: transparent;
  color: var(--pr-text) !important;
  border: 1px solid var(--pr-border-hover);
  border-radius: 8px;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s, border-color 0.2s;
}

.pr-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--pr-text-secondary);
}

.pr-home-section {
  padding: 1rem 0 1.2rem;
  max-width: 1120px;
  margin: 0 auto;
}

.pr-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pr-section-title {
  font-family: var(--pr-font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  color: var(--pr-text);
  font-weight: 400;
  margin: 0;
}

.pr-section-link {
  font-size: 0.82rem;
  color: var(--pr-text-secondary);
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pr-section-link:hover {
  color: var(--pr-accent) !important;
}

.pr-project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--pr-border);
  border-radius: 16px;
  overflow: hidden;
}

.pr-project-card {
  background: var(--pr-bg-card);
  padding: 1.25rem 1.35rem;
  transition: background 0.25s var(--pr-ease);
  position: relative;
  text-decoration: none !important;
  color: inherit !important;
  display: block;
}

.pr-project-card:hover {
  background: var(--pr-bg-card-hover);
}

.pr-project-card .pr-badge {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  font-size: 0.65rem;
  font-weight: 600;
  border-radius: 4px;
  margin-bottom: 0.55rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pr-badge-astra {
  background: var(--pr-accent-dim);
  color: var(--pr-accent);
}

.pr-badge-blog {
  background: var(--pr-blue-dim);
  color: var(--pr-blue);
}

.pr-project-card h3 {
  font-family: var(--pr-font-display);
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
  color: var(--pr-text);
  font-weight: 400;
}

.pr-project-card p {
  font-size: 0.86rem;
  color: var(--pr-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.pr-project-arrow {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-size: 1rem;
  color: var(--pr-text-tertiary);
  transition: color 0.2s, transform 0.2s;
}

.pr-project-card:hover .pr-project-arrow {
  color: var(--pr-accent);
  transform: translate(3px, -3px);
}

.pr-latest-card {
  background: var(--pr-bg-card);
  border: 1px solid var(--pr-border);
  border-radius: 14px;
  padding: 1rem 1.2rem;
  transition: border-color 0.25s, background 0.25s;
  text-decoration: none !important;
  color: inherit !important;
  display: block;
  position: relative;
  overflow: hidden;
}

.pr-latest-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--pr-accent);
  border-radius: 0 2px 2px 0;
}

.pr-latest-card:hover {
  border-color: var(--pr-border-hover);
  background: var(--pr-bg-card-hover);
}

/* ========== Blog page ========== */
.blog-layout {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.blog-header h1 {
  font-family: var(--pr-font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  font-weight: 400;
  color: var(--pr-text);
}

.blog-header p {
  font-size: 1.02rem;
  color: var(--pr-text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0;
}

.blog-filter-bar {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0 1.75rem;
  flex-wrap: wrap;
}

.pr-filter-chip {
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: var(--pr-font-body);
  border: 1px solid var(--pr-border);
  border-radius: 100px;
  color: var(--pr-text-secondary);
  cursor: pointer;
  transition: all 0.2s var(--pr-ease);
  background: transparent;
}

.pr-filter-chip:hover {
  border-color: var(--pr-border-hover);
  color: var(--pr-text);
}

.pr-filter-chip.active {
  border-color: var(--pr-accent);
  color: var(--pr-accent);
  background: var(--pr-accent-dim);
}

.blog-posts-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--pr-border);
  border-radius: 16px;
  overflow: hidden;
}

.blog-post-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 1.5rem 2rem;
  align-items: start;
  padding: 1.5rem 1.75rem;
  background: var(--pr-bg-card);
  text-decoration: none !important;
  color: inherit !important;
  transition: background 0.25s var(--pr-ease);
}

.blog-post-row:hover:not(.pr-blog-soon) {
  background: var(--pr-bg-card-hover);
}

.blog-post-row.pr-blog-soon {
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}

.blog-post-row .post-date {
  font-family: var(--pr-font-mono);
  font-size: 0.72rem;
  color: var(--pr-text-tertiary);
  letter-spacing: 0.04em;
  padding-top: 0.25rem;
}

.blog-post-row h3 {
  font-family: var(--pr-font-display);
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
  color: var(--pr-text);
  font-weight: 400;
}

.blog-post-row p {
  font-size: 0.84rem;
  color: var(--pr-text-secondary);
  line-height: 1.55;
  margin: 0;
}

.post-tag {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  align-self: center;
}

.tag-astra {
  background: var(--pr-accent-dim);
  color: var(--pr-accent);
}

.tag-architecture {
  background: var(--pr-blue-dim);
  color: var(--pr-blue);
}

.tag-rails {
  background: rgba(200, 80, 90, 0.12);
  color: #c45c68;
}

.blog-queue-section {
  margin-top: 2.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pr-border);
}

.blog-queue-heading {
  font-family: var(--pr-font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
  color: var(--pr-text);
}

.blog-queue-intro {
  font-size: 0.9rem;
  color: var(--pr-text-secondary);
  margin: 0 0 1.25rem;
  max-width: 42rem;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .blog-post-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .post-tag {
    justify-self: start;
  }
}

/* Admonitions */
.md-typeset .admonition {
  border-radius: 10px;
  border: 1px solid var(--pr-border);
  background: var(--pr-bg-card);
}

/* ========== Accessibility & interaction (UI UX Pro Max checklist) ========== */

/* Cursor on all clickable elements */
a,
button,
[role="button"],
.pr-filter-chip,
.pr-btn-primary,
.pr-btn-ghost,
.pr-project-card,
.pr-latest-card,
.blog-post-row:not(.pr-blog-soon) {
  cursor: pointer;
}

/* Focus-visible ring for keyboard navigation */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
.pr-filter-chip:focus-visible {
  outline: 2px solid var(--pr-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}