/* Snowflake design tokens (alpha) — temporary page template */
:root {
  --primary: #29b5e8;
  --primary-hover: #1e9bcb;
  --primary-deep: #11567f;
  --primary-subtle: #e5f6fc;
  --ink: #1a2b3c;
  --ink-muted: #5b6b7b;
  --ink-subdued: #8a98a6;
  --canvas: #ffffff;
  --surface-1: #f5f8fa;
  --surface-2: #e8eef2;
  --border: #d5dee5;
  --border-subtle: #e8eef2;
  --mono-ink: #11567f;
  --success: #1e8e5a;
  --warning: #c77700;
  --error: #d6402c;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --space: 8px;
  --font-ui: Inter, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono: "Roboto Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

body {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink);
  background-color: var(--canvas);
  margin: 0;
  padding: calc(var(--space) * 2);
}

a {
  color: var(--primary-deep);
  text-decoration: none;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.site-header {
  margin-bottom: calc(var(--space) * 3);
}

nav.site-nav {
  padding-bottom: calc(var(--space) * 1.5);
  border-bottom: 1px solid var(--border);
}

nav.site-nav a {
  margin-right: calc(var(--space) * 1.5);
  font-weight: 600;
  color: var(--primary-deep);
}

nav.site-nav a:hover {
  color: var(--primary);
}

nav.breadcrumb {
  margin-bottom: calc(var(--space) * 2);
  padding-bottom: 0;
  border-bottom: none;
  font-size: 13px;
  color: var(--ink-muted);
}

nav.breadcrumb a {
  margin-right: 0;
  font-weight: 400;
  color: var(--ink-muted);
}

nav.breadcrumb a:hover {
  color: var(--primary-deep);
}

nav.breadcrumb .sep {
  color: var(--ink-subdued);
}

nav.breadcrumb [aria-current="page"] {
  color: var(--ink);
}

article header h1 {
  margin: 0 0 calc(var(--space) * 0.5);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--primary-deep);
}

article header time {
  display: block;
  margin-bottom: var(--space);
  font-size: 13px;
  color: var(--ink-muted);
}

article .category {
  margin: 0 0 calc(var(--space) * 2);
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
}

article img,
article .thumbnail {
  max-width: 60%;
  height: auto;
  display: block;
  margin: auto auto;
}

article .body {
  margin-bottom: calc(var(--space) * 3);
}

article .body h1,
article .body h2,
article .body h3,
article .body h4,
article .body h5,
article .body h6 {
  color: var(--primary-deep);
  letter-spacing: -0.02em;
  margin: calc(var(--space) * 2) 0 var(--space);
}

article .body p {
  margin: 0 0 calc(var(--space) * 1.5);
}

article .body ul,
article .body ol {
  margin: 0 0 calc(var(--space) * 1.5);
  padding-left: calc(var(--space) * 3);
}

article .body blockquote {
  margin: 0 0 calc(var(--space) * 1.5);
  padding-left: calc(var(--space) * 2);
  border-left: 3px solid var(--border);
  color: var(--ink-muted);
}

article .body code,
article .body pre {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mono-ink);
}

article .body pre {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: calc(var(--space) * 2);
  overflow-x: auto;
}

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

article .tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
}

article .tags li {
  list-style: none;
  background: var(--primary-subtle);
  color: var(--primary-deep);
  padding: calc(var(--space) * 0.5) var(--space);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 13px;
}

article .tags a {
  color: var(--primary-deep);
  font-weight: 600;
  text-decoration: none;
}

article .tags a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Two-column layout + popular ranking sidebar */
.site-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: calc(var(--space) * 3);
  align-items: start;
  max-width: 1120px;
  margin: 0 auto;
}

.site-layout__main {
  min-width: 0;
  max-width: 720px;
}

.site-layout__aside {
  position: sticky;
  top: calc(var(--space) * 2);
}

.site-footer {
  grid-column: 1 / -1;
  margin-top: calc(var(--space) * 4);
  padding-top: calc(var(--space) * 2);
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 13px;
}

.site-footer__name {
  margin: 0 0 var(--space);
  font-weight: 700;
  font-size: 14px;
  color: var(--primary-deep);
}

.site-footer__copy {
  margin: 0 0 calc(var(--space) * 1.5);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) * 1.5);
}

.site-footer__nav a {
  font-weight: 600;
  color: var(--ink-muted);
}

.site-footer__nav a:hover {
  color: var(--primary);
}

.legal-stub p {
  margin: 0 0 calc(var(--space) * 1.5);
  max-width: 40rem;
  color: var(--ink);
  line-height: 1.6;
}

.popular-ranking {
  padding: calc(var(--space) * 2);
  margin: 0 0 calc(var(--space) * 2);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.popular-ranking__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space);
  margin-bottom: calc(var(--space) * 1.5);
}

.popular-ranking__heading {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary-deep);
}

.popular-ranking__more {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-muted);
  white-space: nowrap;
}

.popular-ranking__more:hover {
  color: var(--primary);
}

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

.popular-ranking__item {
  margin: 0;
  border-top: 1px solid var(--border-subtle);
}

.popular-ranking__item:first-child {
  border-top: none;
}

.popular-ranking__link {
  display: grid;
  grid-template-columns: 1.75rem 72px minmax(0, 1fr);
  gap: calc(var(--space) * 1.25);
  align-items: center;
  padding: calc(var(--space) * 1.25) 0;
  text-decoration: none;
  color: inherit;
}

.popular-ranking__link:hover {
  text-decoration: none;
}

.popular-ranking__link:hover .popular-ranking__title {
  color: var(--primary);
}

.popular-ranking__rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-muted);
  background: var(--canvas);
  border: 1px solid var(--border);
}

.popular-ranking__rank--1 {
  color: #7a5a00;
  background: linear-gradient(145deg, #ffe9a8, #f0c14b);
  border-color: #e0b03a;
}

.popular-ranking__rank--2 {
  color: #4a5560;
  background: linear-gradient(145deg, #f0f3f6, #c5ced6);
  border-color: #aeb8c2;
}

.popular-ranking__rank--3 {
  color: #6b3f1f;
  background: linear-gradient(145deg, #f3d2b3, #c8844a);
  border-color: #b87333;
}

.popular-ranking__thumb {
  display: block;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
}

.popular-ranking__thumb--empty {
  background: linear-gradient(135deg, var(--surface-2), var(--border-subtle));
}

.popular-ranking__title {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

@media (max-width: 960px) {
  .site-layout {
    grid-template-columns: 1fr;
  }

  .site-layout__main {
    max-width: none;
  }

  .site-layout__aside {
    position: static;
  }
}