@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────────────────────── */

:root {
  --color-background-primary:   #ffffff;
  --color-background-secondary: #f5f5f4;
  --color-background-tertiary:  #f0efed;

  --color-text-primary:   #111110;
  --color-text-secondary: #44403c;
  --color-text-muted:     #78716c;

  --color-border-primary:   #d6d3d1;
  --color-border-secondary: #a8a29e;
  --color-border-tertiary:  #e7e5e4;

  --color-badge-bg:      #e7e5e4;
  --color-badge-text:    #57534e;

  --color-badge-ext-bg:   #fef3c7;
  --color-badge-ext-text: #92400e;
  --color-badge-ext-border: #fde68a;

  --color-tag-bg:   #f5f5f4;
  --color-tag-text: #57534e;
  --color-tag-border: #e7e5e4;

  --color-link: #111110;

  --font-mono: 'DM Mono', monospace;
  --font-sans: 'DM Sans', sans-serif;

  --radius-card: 6px;
  --radius-badge: 4px;
  --radius-tag: 100px;

  --transition-card: 120ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background-primary:   #1c1917;
    --color-background-secondary: #292524;
    --color-background-tertiary:  #111110;

    --color-text-primary:   #fafaf9;
    --color-text-secondary: #d6d3d1;
    --color-text-muted:     #78716c;

    --color-border-primary:   #44403c;
    --color-border-secondary: #78716c;
    --color-border-tertiary:  #292524;

    --color-badge-bg:      #292524;
    --color-badge-text:    #a8a29e;

    --color-badge-ext-bg:   #451a03;
    --color-badge-ext-text: #fcd34d;
    --color-badge-ext-border: #713f12;

    --color-tag-bg:   #1c1917;
    --color-tag-text: #a8a29e;
    --color-tag-border: #292524;

    --color-link: #fafaf9;
  }
}

/* ─── Reset & Base ───────────────────────────────────────────────────────────── */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-background-tertiary);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ─── Page wrapper ───────────────────────────────────────────────────────────── */

.page {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

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

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.breadcrumb a.breadcrumb-link {
  color: var(--color-text-muted);
  transition: color var(--transition-card);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.breadcrumb-sep {
  color: var(--color-border-primary);
}

.breadcrumb-current {
  color: var(--color-text-muted);
}

/* ─── Page header ────────────────────────────────────────────────────────────── */

.page-header {
  margin-bottom: 48px;
}

.page-title {
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.page-title strong {
  font-weight: 500;
}

.page-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ─── Section label ──────────────────────────────────────────────────────────── */

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.section-label-text {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.section-label-rule {
  flex: 1;
  height: 0.5px;
  background-color: var(--color-border-tertiary);
}

/* ─── Card grid ──────────────────────────────────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

@media (max-width: 500px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Card ───────────────────────────────────────────────────────────────────── */

.card {
  background-color: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-card), transform var(--transition-card);
  cursor: pointer;
}

.card:hover {
  border-color: var(--color-border-secondary);
  transform: translateY(-1px);
}

/* Thumbnail */
.card-thumb {
  aspect-ratio: 16 / 9;
  width: 100%;
  display: block;
  flex-shrink: 0;
  object-fit: cover;
}

.card-thumb--mediapipe { background-color: #0a2a2a; }

.site-logo {
  width: 14px;
  height: 14px;
  opacity: 0.6;
  filter: grayscale(1) invert(0);
}

@media (prefers-color-scheme: dark) {
  .site-logo {
    filter: grayscale(1) invert(1);
    opacity: 0.5;
  }
}

/* Inner content */
.card-body {
  padding: 12px 14px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.card-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
}

/* Badge row */
.card-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: var(--radius-badge);
  border: 0.5px solid transparent;
  white-space: nowrap;
}

.badge--type {
  background-color: var(--color-badge-bg);
  color: var(--color-badge-text);
  border-color: var(--color-border-tertiary);
}

.badge--ext {
  background-color: var(--color-badge-ext-bg);
  color: var(--color-badge-ext-text);
  border-color: var(--color-badge-ext-border);
}

/* Title */
.card-title {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.card-title a {
  color: inherit;
}

/* Description */
.card-desc {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 2px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-tag-text);
  background-color: var(--color-tag-bg);
  border: 0.5px solid var(--color-tag-border);
  border-radius: var(--radius-tag);
  padding: 2px 8px;
}

/* Card footer */
.card-footer {
  margin-top: auto;
  padding: 10px 14px 12px;
  display: flex;
  align-items: stretch;
  border-top: 0.5px solid var(--color-border-tertiary);
  margin-top: 12px;
}

.card-footer-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  flex: 1;
  display: flex;
  align-items: center;
  transition: color var(--transition-card);
}

.card-footer-link:hover {
  color: var(--color-text-primary);
}

.card-footer-link--right {
  justify-content: flex-end;
}

.card-footer-divider {
  width: 0.5px;
  background-color: var(--color-border-tertiary);
  margin: 0 12px;
  flex-shrink: 0;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 0.5px solid var(--color-border-tertiary);
  padding: 20px 24px;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer-domain {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

.site-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-footer-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  transition: color var(--transition-card);
}

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