/* ==========================================================================
   Editorial Design System
   Loaded ONLY by: index.html, writing.html, about.html, post.html
   NOT loaded by: aadya.html, advit.html, veda-portal.html
   ========================================================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --ed-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ed-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Light palette */
  --ed-bg: #fafafa;
  --ed-bg-alt: #f5f5f5;
  --ed-text: #171717;
  --ed-text-secondary: #525252;
  --ed-text-muted: #a3a3a3;
  --ed-border: #e5e5e5;
  --ed-accent: #2563eb;
  --ed-accent-hover: #1d4ed8;
  --ed-hover-bg: rgba(0, 0, 0, 0.03);

  /* Spacing */
  --ed-content-width: 640px;
  --ed-page-padding: 1.5rem;

  /* Transitions */
  --ed-transition: 150ms ease;
}

[data-theme="dark"] {
  --ed-bg: #0a0a0a;
  --ed-bg-alt: #171717;
  --ed-text: #e5e5e5;
  --ed-text-secondary: #a3a3a3;
  --ed-text-muted: #737373;
  --ed-border: #262626;
  --ed-accent: #60a5fa;
  --ed-accent-hover: #93c5fd;
  --ed-hover-bg: rgba(255, 255, 255, 0.04);
}


/* ---------- Base Overrides ---------- */
/* These override style.css defaults ONLY when editorial.css is loaded */

body {
  font-family: var(--ed-font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ed-text);
  background-color: var(--ed-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--ed-text);
  text-decoration: none;
  transition: color var(--ed-transition);
}

a:hover {
  color: var(--ed-accent);
}

::selection {
  background-color: rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] ::selection {
  background-color: rgba(96, 165, 250, 0.2);
}


/* ---------- Header Override ---------- */

.header {
  background: var(--ed-bg);
  border-bottom: 1px solid var(--ed-border);
}

.header__container {
  min-height: 4rem;
  max-width: calc(var(--ed-content-width) + 10rem);
}

.header__logo img {
  height: 28px;
}

.menu__link {
  font-family: var(--ed-font-body);
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--ed-text-secondary);
  letter-spacing: 0;
  transition: color var(--ed-transition);
}

.menu__link:hover {
  color: var(--ed-text);
}

.menu__list {
  gap: 1.75rem;
}

.theme-toggle {
  border-color: var(--ed-border);
  width: 36px;
  height: 36px;
}


/* ---------- Homepage ---------- */

.ed-home {
  max-width: var(--ed-content-width);
  margin: 0 auto;
  padding: 6rem var(--ed-page-padding) 4rem;
  animation: edFadeIn 0.6s ease-out;
}

.ed-home__name {
  font-family: var(--ed-font-body);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.ed-home__role {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
  margin-top: 0.375rem;
  letter-spacing: 0;
}

.ed-home__intro {
  margin-top: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ed-text-secondary);
  max-width: 540px;
}

.ed-home__divider {
  border: none;
  border-top: 1px solid var(--ed-border);
  margin: 2.5rem 0 2rem;
}

.ed-home__section-label {
  font-family: var(--ed-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ed-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.ed-home__posts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ed-home__post-item {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ed-transition);
}

.ed-home__post-item:last-child {
  border-bottom: none;
}

.ed-home__post-date {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
  flex-shrink: 0;
  min-width: 5.5rem;
}

.ed-home__post-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ed-text);
  transition: color var(--ed-transition);
}

.ed-home__post-link:hover {
  color: var(--ed-accent);
}

.ed-home__view-all {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.5rem;
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
  transition: color var(--ed-transition);
}

.ed-home__view-all:hover {
  color: var(--ed-text);
}

.ed-home__view-all::after {
  content: '→';
  transition: transform var(--ed-transition);
}

.ed-home__view-all:hover::after {
  transform: translateX(3px);
}


/* ---------- Writing Page ---------- */

.ed-writing {
  max-width: var(--ed-content-width);
  margin: 0 auto;
  padding: 6rem var(--ed-page-padding) 4rem;
  animation: edFadeIn 0.6s ease-out;
}

.ed-writing__title {
  font-family: var(--ed-font-body);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 2.5rem;
}

.ed-writing__year-group {
  margin-bottom: 2.5rem;
}

.ed-writing__year {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ed-text-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ed-border);
}

.ed-writing__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.ed-writing__item {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0.625rem 0;
  transition: background-color var(--ed-transition);
  border-radius: 4px;
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.ed-writing__item:hover {
  background-color: var(--ed-hover-bg);
}

.ed-writing__date {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
  flex-shrink: 0;
  min-width: 5.5rem;
}

.ed-writing__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ed-text);
  transition: color var(--ed-transition);
  flex: 1;
}

.ed-writing__link:hover {
  color: var(--ed-accent);
}

.ed-writing__tags {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.ed-writing__tag {
  font-family: var(--ed-font-mono);
  font-size: 0.6875rem;
  color: var(--ed-text-muted);
}


/* ---------- About Page ---------- */

.ed-about {
  max-width: var(--ed-content-width);
  margin: 0 auto;
  padding: 6rem var(--ed-page-padding) 4rem;
  animation: edFadeIn 0.6s ease-out;
}

.ed-about__name {
  font-family: var(--ed-font-body);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.ed-about__intro {
  margin-top: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ed-text-secondary);
  max-width: 540px;
}

.ed-about__divider {
  border: none;
  border-top: 1px solid var(--ed-border);
  margin: 2.5rem 0 2rem;
}

.ed-about__section-label {
  font-family: var(--ed-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ed-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.ed-about__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ed-about__entry {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--ed-border);
}

.ed-about__entry:last-child {
  border-bottom: none;
}

.ed-about__company {
  font-family: var(--ed-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ed-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.ed-about__role {
  font-family: var(--ed-font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ed-text);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.ed-about__description {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ed-text-secondary);
}


/* ---------- Post Page ---------- */

.ed-post {
  max-width: var(--ed-content-width);
  margin: 0 auto;
  padding: 6rem var(--ed-page-padding) 4rem;
  animation: edFadeIn 0.6s ease-out;
}

.ed-post__header {
  margin-bottom: 2.5rem;
}

.ed-post__title {
  font-family: var(--ed-font-body);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin: 0 0 0.75rem;
}

.ed-post__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ed-post__date {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
}

.ed-post__tags {
  display: flex;
  gap: 0.5rem;
}

.ed-post__tag {
  font-family: var(--ed-font-mono);
  font-size: 0.6875rem;
  color: var(--ed-text-muted);
  background: var(--ed-hover-bg);
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
}

.ed-post__hero {
  margin: -1rem calc(-1 * var(--ed-page-padding)) 2.5rem;
  border-radius: 8px;
  overflow: hidden;
}

.ed-post__hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* Post content typography */
.ed-post__content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ed-text);
}

.ed-post__content p {
  margin-bottom: 1.5em;
}

.ed-post__content h2 {
  font-family: var(--ed-font-body);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 2.5em 0 0.75em;
  color: var(--ed-text);
}

.ed-post__content h3 {
  font-family: var(--ed-font-body);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2em 0 0.75em;
  color: var(--ed-text);
}

.ed-post__content a {
  color: var(--ed-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.ed-post__content a:hover {
  color: var(--ed-accent-hover);
}

.ed-post__content blockquote {
  border-left: 2px solid var(--ed-border);
  margin: 1.5em 0;
  padding: 0.25em 0 0.25em 1.25em;
  color: var(--ed-text-secondary);
}

.ed-post__content ul,
.ed-post__content ol {
  margin: 1.25em 0;
  padding-left: 1.5em;
}

.ed-post__content li {
  margin-bottom: 0.5em;
}

.ed-post__content code {
  font-family: var(--ed-font-mono);
  font-size: 0.875em;
  background: var(--ed-bg-alt);
  padding: 0.125em 0.375em;
  border-radius: 3px;
}

.ed-post__content pre {
  margin: 1.5em 0;
  border-radius: 8px;
  border: 1px solid var(--ed-border);
}

.ed-post__content pre code {
  background: none;
  padding: 0;
  font-size: 0.8125rem;
}

.ed-post__content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 1.5em 0;
}

.ed-post__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9375rem;
}

.ed-post__content th,
.ed-post__content td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--ed-border);
  text-align: left;
}

.ed-post__content th {
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ed-text-muted);
}

.ed-post__footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ed-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.ed-post__nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  max-width: 45%;
}

.ed-post__nav--next {
  margin-left: auto;
  text-align: right;
}

.ed-post__nav-label {
  font-family: var(--ed-font-mono);
  font-size: 0.75rem;
  color: var(--ed-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ed-post__nav-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ed-text-secondary);
  transition: color var(--ed-transition);
  line-height: 1.4;
}

.ed-post__nav:hover .ed-post__nav-title {
  color: var(--ed-accent);
}

/* Back link */
.ed-post__back {
  display: inline-block;
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color var(--ed-transition);
}

.ed-post__back:hover {
  color: var(--ed-accent);
}

/* Reading time & separator */
.ed-post__separator {
  color: var(--ed-text-muted);
}

.ed-post__reading-time {
  font-family: var(--ed-font-mono);
  font-size: 0.8125rem;
  color: var(--ed-text-muted);
}

/* Divider between meta and content */
.ed-post__divider {
  border: none;
  border-top: 1px solid var(--ed-border);
  margin: 0 0 2.5rem;
}

/* Reading progress bar */
.ed-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ed-accent);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* Code block copy button */
.ed-code-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-family: var(--ed-font-mono);
  font-size: 0.6875rem;
  color: var(--ed-text-muted);
  background: var(--ed-bg-alt);
  border: 1px solid var(--ed-border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.ed-post__content pre:hover .ed-code-copy {
  opacity: 1;
}

.ed-code-copy:hover {
  color: var(--ed-accent);
}

/* Code block language label */
.ed-post__content pre[class*="language-"]::before {
  content: attr(data-language);
  display: block;
  font-family: var(--ed-font-mono);
  font-size: 0.6875rem;
  color: var(--ed-text-muted);
  padding: 0.375rem 0.75rem 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


/* ---------- Animation ---------- */

@keyframes edFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ---------- Responsive ---------- */

@media (max-width: 768px) {
  .ed-home,
  .ed-writing,
  .ed-about,
  .ed-post {
    padding-top: 5rem;
  }

  .ed-home__name,
  .ed-writing__title,
  .ed-about__name {
    font-size: 1.5rem;
  }

  .ed-post__title {
    font-size: 1.625rem;
  }

  .ed-writing__item {
    flex-direction: column;
    gap: 0.125rem;
    padding: 0.75rem 0.5rem;
  }

  .ed-writing__date {
    min-width: unset;
  }

  .ed-writing__tags {
    display: none;
  }

  .ed-home__post-item {
    flex-direction: column;
    gap: 0.125rem;
  }

  .ed-home__post-date {
    min-width: unset;
  }

  .ed-post__footer {
    flex-direction: column;
    gap: 1.5rem;
  }

  .ed-post__nav {
    max-width: 100%;
  }

  .ed-post__nav--next {
    margin-left: 0;
    text-align: left;
  }

  .ed-code-copy {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .ed-home,
  .ed-writing,
  .ed-about,
  .ed-post {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .header__container {
    min-height: 3.5rem;
  }
}


/* ---------- Footer Override ---------- */

footer {
  border-top: 1px solid var(--ed-border);
}