/* Panda's Thumb legacy archive, restyled to match the TalkOrigins preview system. */

:root {
  --bg: #f2eee6;
  --panel: #fffdf9;
  --ink: #1b2330;
  --muted: #5b6471;
  --line: rgba(28, 35, 48, 0.12);
  --blue: #214f94;
  --blue-deep: #163659;
  --gold: #b18d33;
  --shadow: 0 22px 55px rgba(20, 33, 53, 0.1);
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f3ea, var(--bg));
  font-family: Georgia, "Times New Roman", serif;
}

a {
  color: var(--blue);
}

a:hover {
  color: var(--blue-deep);
}

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

body > header,
body > main,
body > footer {
  width: min(var(--max-width), calc(100vw - 28px));
  margin-left: auto;
  margin-right: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

body > header,
body > main,
body > footer {
  padding: 22px 24px;
}

body > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px 20px;
  flex-wrap: wrap;
  margin-top: 20px;
  margin-bottom: 18px;
  border-top: 4px solid var(--gold);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 253, 249, 0.92));
}

.site-header .site-name,
.site-header .site-name a {
  color: var(--ink);
}

.site-header .site-name {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 700;
}

.site-header .site-name a {
  text-decoration: none;
}

.site-header .site-name a:hover {
  color: var(--blue-deep);
}

.site-header .site-tagline {
  color: var(--muted);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

body > main {
  margin-bottom: 18px;
  line-height: 1.78;
  font-size: 1.08rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(251, 247, 240, 0.98));
  border-top: 5px solid var(--blue);
}

body > main > h1:first-child,
.post-title {
  margin: 0 0 14px;
  font: 700 clamp(2rem, 4vw, 2.8rem)/1.08 "Helvetica Neue", Arial, sans-serif;
}

body > main > h2,
body > main > h3,
.comments-heading {
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.2;
  color: var(--blue-deep);
}

body > main > p:first-of-type,
.post-meta,
.comment-meta,
body > footer,
.canonical-link {
  color: var(--muted);
}

.post-meta,
.comment-meta {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
}

.post-author,
.comment-author {
  font-weight: 700;
  color: var(--ink);
}

.post-body,
.comment-body {
  line-height: 1.78;
}

.post-body p,
.post-body li,
.post-body blockquote,
.comment-body p,
.comment-body li,
.comment-body blockquote {
  max-width: 68ch;
}

.post-body blockquote,
.comment-body blockquote {
  margin: 1.2rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--gold);
  background: rgba(177, 141, 51, 0.08);
}

.canonical-link,
.post-canonical {
  margin: 0 0 1.2rem;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 250, 241, 0.98), rgba(251, 246, 238, 0.98));
  border: 1px solid rgba(22, 54, 89, 0.12);
  font-size: 0.92rem;
}

.comments-section {
  border-top: 2px solid rgba(28, 35, 48, 0.12);
  margin-top: 2rem;
  padding-top: 1rem;
}

.comments-heading {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.comment {
  margin-bottom: 1.2rem;
  padding: 0.85rem 1rem 0.9rem;
  border-left: 4px solid var(--blue);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(244, 248, 252, 0.98), white);
}

.archive-list {
  list-style: none;
  padding: 0;
  columns: 3 16rem;
  column-gap: 1rem;
}

.archive-list li {
  break-inside: avoid;
  margin: 0.2rem 0;
}

.archive-list a {
  text-decoration: none;
}

.archive-list a:hover {
  text-decoration: underline;
}

body > footer {
  margin-bottom: 28px;
  text-align: center;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  line-height: 1.6;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 248, 252, 0.92));
}

@media (max-width: 860px) {
  body > header,
  body > main,
  body > footer {
    width: min(var(--max-width), calc(100vw - 18px));
    padding: 18px 16px;
  }

  body > main {
    font-size: 1.02rem;
  }

  .archive-list {
    columns: 2 14rem;
  }
}

@media (max-width: 620px) {
  body > header {
    align-items: flex-start;
  }

  body > header .tagline {
    letter-spacing: 0.08em;
  }

  .archive-list {
    columns: 1;
  }
}

.archive-index h2 {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.2rem;
  margin: 1.5rem 0 0.5rem;
}

.month-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  padding: 0.22rem 0;
  border-bottom: 1px dotted #eee;
}

.post-list a {
  text-decoration: none;
}

.post-list a:hover {
  text-decoration: underline;
}

.post-list .meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-meta);
  margin-left: 0.35rem;
}

/* ── Home page ────────────────────────────────────────── */

.home-intro {
  margin-bottom: 1.5rem;
}

.recent-posts {
  list-style: none;
  padding: 0;
}

.recent-posts li {
  padding: 0.28rem 0;
  border-bottom: 1px dotted #eee;
}

.recent-posts a {
  text-decoration: none;
}

.recent-posts a:hover {
  text-decoration: underline;
}

.recent-posts .meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-meta);
  margin-left: 0.35rem;
}

/* ── Breadcrumb ───────────────────────────────────────── */

.breadcrumb {
  font-family: var(--font-ui);
  font-size: 0.83rem;
  color: var(--color-meta);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--color-meta);
}

.notebook-panel {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0 1.5rem;
  background: #fff;
}

.notebook-panel h2,
.notebook-panel h3 {
  margin-top: 0;
}

.notebook-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.notebook-panel .meta {
  color: var(--color-meta);
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.plain-list {
  padding-left: 1.1rem;
}

.plain-list li + li {
  margin-top: 0.5rem;
}

/* ── Site footer ──────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 2.5rem;
  padding: 1.2rem 0 1rem;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: #aaa;
}

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 600px) {
  .post-title { font-size: 1.25rem; }
  .site-header { gap: 0.1rem; }
  .archive-index h2 { font-size: 1rem; }
  .notebook-grid { grid-template-columns: 1fr; }
}
