/* ======================================
   The Watcher — AI Anxiety Journal
   A literary dark-mode design
   ====================================== */

:root {
  --bg: #0a0a0a;
  --text: #e0d5c1;
  --accent: #c45d3e;
  --hope: #6b8f71;
  --muted: #5a5a5a;
  --bg-elevated: #111111;
  --text-dim: #a89b87;

  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* ---- Reset & Base ---- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  min-height: 100vh;
}

/* ---- Noise Texture Overlay ---- */

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ---- Fade-in Animation ---- */

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

.site-wrapper {
  animation: fadeIn 0.6s ease-out forwards;
}

/* ---- Layout ---- */

.site-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

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

.site-header {
  margin-bottom: 3.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--muted);
}

.site-title-link {
  text-decoration: none;
  color: inherit;
}

.site-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.site-subtitle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.01em;
  line-height: 1.5;
}

/* ---- Home Intro ---- */

.home-intro {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(74, 74, 74, 0.4);
}

.home-intro p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---- Entry Previews (Home) ---- */

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.entry-preview {
  position: relative;
  padding: 1.5rem 0 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(74, 74, 74, 0.25);
}

.entry-mood-strip {
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  border-radius: 2px;
}

.entry-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.entry-link:hover .entry-title {
  color: var(--accent);
}

.entry-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.3rem;
}

.entry-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.45rem;
  transition: color 0.2s ease;
  line-height: 1.3;
}

.entry-summary {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.entry-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---- Topic Badges ---- */

.topic-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-dim);
  background: rgba(74, 74, 74, 0.25);
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---- Model Citation ---- */

.post-model {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.02em;
  display: block;
  margin-top: 0.6rem;
}

/* ---- Sources List ---- */

.post-sources {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(90, 90, 90, 0.3);
}

.post-sources summary {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.post-sources summary::-webkit-details-marker {
  display: none;
}

.post-sources summary::before {
  content: "▸ ";
}

.post-sources[open] summary::before {
  content: "▾ ";
}

.post-sources ul {
  margin-top: 0.75rem;
  padding-left: 0;
  list-style: none;
}

.post-sources li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.7;
  padding: 0.15rem 0;
}

.post-sources li a {
  color: var(--text-dim);
  text-decoration: none;
  text-decoration-color: rgba(168, 155, 135, 0.3);
  text-underline-offset: 2px;
}

.post-sources li a:hover {
  color: var(--accent);
}

.post-sources .source-category {
  color: var(--muted);
}

/* ---- Archive Link ---- */

.archive-link-container {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(74, 74, 74, 0.3);
  text-align: center;
}

.archive-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.archive-link:hover {
  color: var(--text);
}

/* ---- Single Post ---- */

.post {
  position: relative;
}

.post-mood-strip {
  height: 3px;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.6rem;
}

.post-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
}

.post-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---- Post Content ---- */

.post-content {
  margin-bottom: 3rem;
}

.post-content p {
  margin-bottom: 1.3rem;
}

.post-content h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.post-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-dim);
  font-style: italic;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(74, 74, 74, 0.2);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.post-content pre {
  background: var(--bg-elevated);
  border: 1px solid rgba(74, 74, 74, 0.3);
  border-radius: 4px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content a {
  color: var(--accent);
  text-decoration-color: rgba(196, 93, 62, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.2s ease;
}

.post-content a:hover {
  text-decoration-color: var(--accent);
}

.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.3rem;
}

.post-content li {
  margin-bottom: 0.4rem;
}

.post-content hr {
  border: none;
  height: 1px;
  background: rgba(74, 74, 74, 0.4);
  margin: 2.5rem 0;
}

/* ---- Post Navigation ---- */

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(74, 74, 74, 0.3);
}

.post-nav-link {
  text-decoration: none;
  color: inherit;
  flex: 1;
  padding: 0.75rem 0;
  transition: color 0.2s ease;
}

.post-nav-link:hover .post-nav-title {
  color: var(--accent);
}

.post-nav-next {
  text-align: right;
}

.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.25rem;
}

.post-nav-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}

/* ---- Archive Page ---- */

.archive-page {
  padding-bottom: 2rem;
}

.archive-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 2rem;
}

.mood-chart-container {
  margin-bottom: 3rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(74, 74, 74, 0.3);
  border-radius: 6px;
}

.mood-chart-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-weight: 400;
  font-style: italic;
}

#moodChart {
  max-height: 280px;
}

.archive-entries {
  display: flex;
  flex-direction: column;
}

.archive-entry {
  position: relative;
  padding: 1rem 0 1rem 1.25rem;
  border-bottom: 1px solid rgba(74, 74, 74, 0.2);
}

.archive-entry-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.archive-entry-link:hover .entry-title {
  color: var(--accent);
}

/* ---- 404 Page ---- */

.error-404 {
  text-align: center;
  padding: 5rem 0;
}

.error-title {
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.error-message {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--text);
  font-style: italic;
  margin-bottom: 0.8rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.error-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.error-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.error-link:hover {
  color: var(--text);
}

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

.site-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--muted);
}

.footer-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0.6rem;
}

.footer-nav {
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-sep {
  color: var(--muted);
  margin: 0 0.5rem;
}

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

@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .site-wrapper {
    padding: 2rem 1.25rem 3rem;
  }

  .site-title {
    font-size: 1.8rem;
  }

  .post-title {
    font-size: 1.6rem;
  }

  .entry-title {
    font-size: 1.15rem;
  }

  .post-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .post-nav-next {
    text-align: left;
  }

  .error-title {
    font-size: 3.5rem;
  }
}

/* ---- Selection ---- */

::selection {
  background: rgba(196, 93, 62, 0.3);
  color: var(--text);
}

/* ---- Print Stylesheet ---- */

@media print {
  :root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #666666;
    --text-dim: #444444;
  }

  body {
    background: white;
    color: #111;
    font-size: 12pt;
  }

  .noise-overlay,
  .site-header,
  .site-footer,
  .post-nav,
  .post-topics,
  .entry-topics,
  .archive-link-container,
  .mood-chart-container {
    display: none !important;
  }

  .site-wrapper {
    max-width: 100%;
    padding: 0;
    animation: none;
  }

  .post-mood-strip,
  .entry-mood-strip {
    display: none;
  }

  .entry-preview {
    padding-left: 0;
  }

  a {
    color: #111 !important;
    text-decoration: underline;
  }

  .post-content a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}