@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:wght@400;600;700&display=swap");

:root {
  --paper: #ffffff;
  --ink: #37352f;
  --muted: rgba(55, 53, 47, 0.65);
  --link: #0b6e99;
  --rule: rgba(55, 53, 47, 0.12);
  --soft: #f7f6f3;
  --hover: #f1f1ef;
  --maxw: 900px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Serif 4", ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
}

.button:hover {
  background: var(--hover);
}

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

.page-shell {
  min-height: 100vh;
}

.page-topbar {
  height: 45px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
}

.workspace-link {
  width: min(var(--maxw), calc(100vw - 32px));
  margin: 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.workspace-link img {
  width: 20px;
  height: 20px;
  border-radius: 4px;
}

.page-content {
  width: min(var(--maxw), calc(100vw - 32px));
  margin: 0 auto;
  padding: 72px 0 80px;
}

.page-icon-wrap {
  margin-bottom: 22px;
}

.page-icon {
  width: 78px;
  height: 78px;
  border-radius: 16px;
}

.page-icon-emoji {
  width: 78px;
  height: 78px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--soft);
  font-size: 40px;
}

.page-title {
  margin: 0 0 18px;
  color: rgb(50, 48, 44);
  font-size: clamp(2.4rem, 5.8vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.page-lead {
  max-width: 40em;
  margin: 0 0 16px;
  font-size: 1.06rem;
}

.page-subtle {
  color: var(--muted);
}

h1,
h2,
h3 {
  color: rgb(50, 48, 44);
  font-weight: 700;
}

h2 {
  margin: 42px 0 12px;
  font-size: 1.5rem;
  line-height: 1.3;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  line-height: 1.4;
}

p,
ul,
ol {
  margin: 0 0 14px;
  font-size: 1rem;
}

ul,
ol {
  padding-left: 1.35rem;
}

li + li {
  margin-top: 0.35rem;
}

hr {
  margin: 32px 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.callout {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  margin: 18px 0 8px;
  padding: 16px;
  border-radius: 4px;
  background: var(--soft);
}

.callout-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(55, 53, 47, 0.08);
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
}

.callout-body strong {
  display: block;
  margin-bottom: 4px;
}

.callout-body p {
  margin: 0;
}

.columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin: 12px 0 6px;
}

.column {
  min-width: 0;
}

.page-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  margin-bottom: 8px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease;
}

.page-card-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.page-card-icon-emoji {
  display: inline-grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
}

.page-card-icon-image {
  border-radius: 4px;
  object-fit: cover;
}

.page-card-icon-fallback {
  border-radius: 4px;
  background: rgba(55, 53, 47, 0.08);
}

.page-card-title {
  min-width: 0;
}

.page-card:hover {
  background: var(--hover);
  border-color: rgba(55, 53, 47, 0.18);
}

.bookmark-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
}

.bookmark-cover {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  height: 110px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--soft);
}

.bookmark-body {
  grid-column: 1;
  min-width: 0;
}

.bookmark-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 12px;
  line-height: 1.2;
}

.bookmark-icon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  flex: 0 0 auto;
}

.bookmark-source {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bookmark-card strong {
  display: block;
  margin-bottom: 4px;
}

.bookmark-card span {
  display: block;
  color: var(--muted);
}

.page-footer {
  color: var(--muted);
}

.redirect-page {
  min-height: 100vh;
}

.redirect-card {
  width: min(var(--maxw), calc(100vw - 32px));
  margin: 0 auto;
  padding: 88px 0 80px;
}

.redirect-card h1 {
  margin: 0 0 12px;
  color: rgb(50, 48, 44);
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.redirect-card p {
  max-width: 40em;
  color: var(--muted);
}

@media (max-width: 720px) {
  .page-content {
    padding-top: 40px;
  }

  .page-icon {
    width: 62px;
    height: 62px;
    border-radius: 14px;
  }

  .columns {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .bookmark-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .bookmark-body,
  .bookmark-cover {
    grid-column: 1;
  }

  .bookmark-cover {
    grid-row: 1;
    height: 180px;
  }

  .bookmark-body {
    grid-row: 2;
  }
}