/* AI card report — Direction C / Signal over noise */

.ai-report {
  font-family: var(--font-sans);
  max-width: none;
  font-size: 1rem; /* ≥16px on mobile */
  line-height: 1.55;
}

.ai-report__header {
  margin-bottom: 1.25rem;
}

.ai-report__title {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  font-weight: 600;
  margin: 0.35rem 0 0;
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 80ch;
}

/* —— Sticky chip row (mobile only) —— */

.ai-report__chips {
  display: block;
  position: sticky;
  top: var(--header-offset, 3.25rem);
  z-index: 14;
  margin: 0 calc(-1 * var(--page-pad, 1rem)) 1rem;
  padding: 0.4rem 0;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.ai-chips {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 0 var(--page-pad, 1rem);
  scrollbar-width: none;
}

.ai-chips::-webkit-scrollbar {
  display: none;
}

.ai-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font: 600 0.8rem var(--font-mono, var(--font-sans));
  letter-spacing: 0.02em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ai-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ai-chip.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.ai-chip__count {
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
  font-weight: 500;
}

.ai-report__layout {
  display: block;
}

.ai-report__side {
  display: none;
}

.ai-report__side-label {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono, var(--font-sans));
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.ai-report__side-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 2px;
  min-height: 44px;
}

.ai-report__side-link:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.ai-report__side-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ai-report__side-link.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.ai-report__side-count {
  color: var(--text-muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.ai-report__main {
  min-width: 0;
  max-width: 72ch;
}

/* —— Today's AI Signal hero —— */

.ai-signal {
  margin: 0 0 1.75rem;
  padding: 0;
  background: transparent;
  border: 0;
}

.ai-signal__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.ai-signal__grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  counter-reset: none;
}

.ai-signal__card {
  position: relative;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 100%;
}

.ai-signal__num {
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.ai-signal__cat {
  margin: 0;
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ai-signal__headline {
  margin: 0.15rem 0 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.015em;
}

.ai-signal__why {
  margin: 0.25rem 0 0.55rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
  /* Full why line on hero cards — no mid-sentence ellipsis on mobile */
  overflow: visible;
}

.ai-signal__cta {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.2rem 0;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.ai-signal__cta:hover {
  color: var(--link-hover);
}

.ai-signal__cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ai-signal__cta::after {
  content: " →";
}

/* —— Verdict legend —— */

.ai-verdict-legend {
  margin: 0 0 1.35rem;
  padding: 0.65rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.ai-verdict-legend__label {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ai-verdict-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ai-verdict-legend__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
  font-size: 0.78rem;
  line-height: 1.35;
}

.ai-verdict-legend__meaning {
  color: var(--text-muted);
  font-weight: 400;
}

.ai-verdict-legend .ai-verdict {
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

/* —— Sections —— */

.ai-sec-heading {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 2rem 0 0.85rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
  scroll-margin-top: calc(var(--header-offset, 3.25rem) + 4.25rem);
  letter-spacing: -0.015em;
}

.ai-sec-heading__count {
  font: 500 0.78rem var(--font-mono, var(--font-sans));
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.ai-sec-block[hidden] {
  display: none !important;
}

/* —— Cards —— */

.ai-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 1.1rem;
  overflow: hidden;
  scroll-margin-top: calc(var(--header-offset, 3.25rem) + 4.5rem);
}

.ai-card.is-flash {
  box-shadow: 0 0 0 2px var(--accent);
}

.ai-card__summary {
  padding: 1rem 1.05rem 0.85rem;
}

.ai-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.ai-card__cat {
  margin: 0;
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ai-card__headline {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.012em;
}

.ai-card__takeaway {
  margin: 0 0 0.55rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.ai-card__takeaway--clamp {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-card__meta-line {
  margin: 0 0 0.55rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.ai-card__meta-k {
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 0.35rem;
}

.ai-card__takeaway code,
.ai-card__det code {
  font-family: var(--font-mono, ui-monospace, Menlo, monospace);
  font-size: 0.88em;
}

.ai-card__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.25rem 0;
  margin: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: 600 0.88rem var(--font-sans);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ai-card__toggle:hover {
  color: var(--link-hover);
}

.ai-card__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ai-card.is-open .ai-card__toggle [data-ai-toggle-label]::before {
  content: none;
}

.ai-card.is-open [data-ai-toggle-label] {
  /* JS swaps label text */
}

.ai-verdict {
  flex: 0 0 auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  color: #fff;
  line-height: 1.3;
  white-space: nowrap;
}

.ai-verdict--try {
  background: #1b6b3a;
}

.ai-verdict--read {
  background: #3d5a80;
}

.ai-verdict--monitor {
  background: #5c5c5c;
}

@media (prefers-color-scheme: dark) {
  .ai-verdict--try {
    background: #2f9e5b;
    color: #04140a;
  }

  .ai-verdict--read {
    background: #6b8fb8;
    color: #0b1520;
  }

  .ai-verdict--monitor {
    background: #9a9a9a;
    color: #141414;
  }
}

.ai-card__det {
  display: none;
  padding: 0 1.05rem 1.1rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 1.55;
}

.ai-card.is-open .ai-card__det {
  display: block;
}

.ai-card__dl {
  margin: 0;
}

.ai-card__det dt {
  font-family: var(--font-mono, var(--font-sans));
  font-weight: 600;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 0.95rem;
}

.ai-card__det dd {
  margin: 0.3rem 0 0;
  color: var(--text);
  max-width: 72ch;
}

.ai-card__det dd.ai-card__how {
  background: var(--accent-soft);
  padding: 0.55rem 0.7rem;
  border-radius: 4px;
}

.ai-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ai-src-link {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.45rem;
  min-height: 44px;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.82rem;
  background: var(--bg);
}

.ai-src-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ai-src-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ai-src-link__type {
  font-family: var(--font-mono, var(--font-sans));
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.ai-src-link__host {
  font-weight: 600;
}

.ai-src-link__label {
  color: var(--text-muted);
  font-weight: 400;
}

/* Papers / repos collapsed emphasis */
.ai-card--papers .ai-card__headline,
.ai-card--repos .ai-card__headline {
  font-size: 1.05rem;
}

/* Hide generic section chips/sidebar when AI card report is present */
body:has(.ai-report) .section-nav {
  display: none !important;
}

body:has(.ai-report) .site-shell--with-nav {
  grid-template-columns: 1fr;
}

body:has(.ai-report) .site-shell--with-nav .site-main {
  max-width: none;
}

@media (min-width: 900px) {
  .ai-report__chips {
    display: none;
  }

  .ai-report__layout {
    display: grid;
    grid-template-columns: 14.5rem minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .ai-report__side {
    display: block;
    position: sticky;
    top: calc(var(--header-offset, 3.25rem) + 1rem);
    align-self: start;
  }

  .ai-report__main {
    max-width: 72ch;
  }

  .ai-signal__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    align-items: stretch;
  }

  .ai-signal__headline {
    font-size: 1.05rem;
  }

  /* Prefer full why text in the 3-up grid; soft visual budget ~5 lines for
     typical copy. Outliers wrap fully — cards stretch, CTA stays pinned. */
  .ai-signal__why {
    overflow: visible;
    overflow-wrap: break-word;
    word-break: normal;
    /* Soft hint only: max ~5 lines of height before the card grows */
    max-height: none;
  }

  .ai-verdict-legend__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.55rem 1.25rem;
  }

  .ai-verdict-legend__item {
    flex: 1 1 14rem;
    max-width: 22rem;
  }

  .ai-card {
    scroll-margin-top: calc(var(--header-offset, 3.25rem) + 1.5rem);
  }

  .ai-sec-heading {
    scroll-margin-top: calc(var(--header-offset, 3.25rem) + 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-card.is-flash {
    box-shadow: 0 0 0 2px var(--accent);
  }

  html {
    scroll-behavior: auto;
  }
}