/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg:          #f7f4ef;
  --bg-subtle:   #f0ece4;
  --border:      #e2dbd0;
  --text:        #1a1814;
  --text-muted:  #7a7166;
  --accent:      #c25c3a;
  --accent-soft: #f0e6e0;
  --link:        #2a5c8a;

  --font-serif: 'Lora', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --content-width: 680px;
  --wide-width:    900px;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-2xl: 5rem;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   LAYOUT
   ============================================ */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-main {
  flex: 1;
  padding: var(--space-xl) 0 var(--space-2xl);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.site-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-name:hover {
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: var(--space-lg);
}

.site-nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

.site-nav a.active {
  font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

/* ============================================
   HOME PAGE
   ============================================ */
.home-intro {
  max-width: var(--content-width);
  padding: var(--space-xl) 0 var(--space-2xl);
}

.home-intro h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.home-intro h1 em {
  color: var(--accent);
  font-style: italic;
}

.home-intro p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.home-intro p a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

.home-intro p a:hover {
  text-decoration-color: var(--accent);
  color: var(--accent);
}

.home-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  .home-sections {
    grid-template-columns: 1fr;
  }
}

.home-section h2 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.home-section ul {
  list-style: none;
}

.home-section ul li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}

.home-section ul li:first-child {
  border-top: 1px solid var(--border);
}

.home-section ul li a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--text);
  font-size: 0.95rem;
  transition: color 0.15s;
}

.home-section ul li a:hover {
  color: var(--accent);
}

.home-section ul li a time {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.home-section .see-all {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
}

.home-section .see-all:hover {
  color: var(--accent);
}

/* ============================================
   PAGE HEADER (shared)
   ============================================ */
.page-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
  max-width: var(--content-width);
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.page-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   ARTICLES LIST
   ============================================ */
.articles-list {
  max-width: var(--content-width);
}

.article-item {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.article-item:first-child {
  border-top: 1px solid var(--border);
}

.article-item a {
  text-decoration: none;
  display: block;
}

.article-item a:hover .article-item-title {
  color: var(--accent);
}

.article-item-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: var(--space-xs);
  transition: color 0.15s;
}

.article-item-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.article-item-description {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.tag {
  font-size: 0.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 1px 8px;
  border-radius: 99px;
}

/* ============================================
   ARTICLE SINGLE
   ============================================ */
.article-single {
  max-width: var(--content-width);
}

.article-header {
  margin-bottom: var(--space-xl);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.article-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-style: italic;
  font-family: var(--font-serif);
}

.article-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.back-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
}

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

/* ============================================
   PROSE (article body)
   ============================================ */
.prose {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.prose p {
  margin-bottom: 1.5em;
}

.prose h2 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2.5em 0 1em;
}

.prose h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  margin: 2em 0 0.75em;
}

.prose a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 30%, transparent);
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-color: var(--link);
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 2em 0;
  padding: 0.5em 0 0.5em 1.5em;
  color: var(--text-muted);
  font-style: italic;
}

.prose ul, .prose ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.prose li {
  margin-bottom: 0.4em;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3em 0;
}

.prose code {
  font-size: 0.88em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-family: 'Menlo', 'Monaco', monospace;
}

.prose pre {
  background: var(--text);
  color: var(--bg);
  padding: 1.5em;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.88em;
}

/* ============================================
   READING PAGE
   ============================================ */
.reading-page {
  max-width: var(--content-width);
}

.reading-filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.reading-shelf {
  margin-bottom: var(--space-2xl);
}

.shelf-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.book-list {
  list-style: none;
}

.book-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.book-item:first-child {
  border-top: 1px solid var(--border);
}

.book-info {}

.book-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 2px;
}

.book-author {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.book-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  font-style: italic;
  font-family: var(--font-serif);
  line-height: 1.5;
}

.book-meta {
  text-align: right;
  flex-shrink: 0;
}

.book-rating {
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.book-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.book-status {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
}

.book-status.reading {
  background: var(--accent-soft);
  color: var(--accent);
}

.book-status.want {
  background: var(--bg-subtle);
  color: var(--text-muted);
}

/* ============================================
   NOW PAGE
   ============================================ */
.now-page {
  max-width: var(--content-width);
}

.now-updated {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-subtle);
  border-left: 3px solid var(--accent);
  display: inline-block;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .site-wrapper {
    padding: 0 var(--space-md);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .site-nav {
    gap: var(--space-md);
  }
}

/* Toast notification */
#toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% + 1rem));
  background: rgba(26, 24, 20, 0.92);
  color: #f7f4ef;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#toast.show {
  opacity: 1;
  transform: translate(-50%, -50%);
}

/* Keyboard key */
kbd {
  display: inline-block;
  padding: 0.1em 0.45em;
  font-family: inherit;
  font-size: 0.85em;
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid currentColor;
  border-radius: 4px;
  opacity: 0.6;
}

/* Email link styling */
#email-link {
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
}

#email-link:hover {
  color: var(--text);
}