/* ============================================================
   Observatório IA + Direito — registro de conjuntura
   Estética: "diário oficial black neon" — livro-razão numerado,
   proveniência em mono, régua fina, um único bloco de destaque
   (a Apreciação). Usa os tokens do design system (style.css).
   ============================================================ */

/* ---------- Atmosfera da seção ---------- */
.obs { overflow: hidden; }
.obs__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.obs__glow {
  position: absolute;
  top: -220px;
  right: -160px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle,
              rgba(139, 92, 246, 0.16), transparent 62%);
  filter: blur(10px);
}
.obs__scan {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(180deg,
      rgba(255, 255, 255, 0.022) 0 1px, transparent 1px 96px);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 70%);
}
.obs .shell { position: relative; z-index: 1; }

.obs-mono {
  font-family: var(--font-mono);
  font-size: 0.86em;
  letter-spacing: 0.01em;
}

/* ---------- Cabeçalho do índice ---------- */
.obs-head { max-width: 780px; margin-bottom: clamp(30px, 5vw, 54px); }
.obs-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.024em;
}
.obs-head__intro {
  margin-top: 1.15rem;
  color: var(--text-dim);
  font-size: 1.06rem;
  max-width: 62ch;
}
.obs-head__props {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.6rem;
  margin-top: 1.5rem;
  padding-top: 1.05rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}
.obs-head__props strong { color: var(--cyan); font-weight: 600; }
.obs-head__props a { color: var(--cyan); text-decoration: none; }
.obs-head__props a:hover { text-decoration: underline; }

/* ---------- Filtros (form GET, sem JS obrigatório) ---------- */
.obs-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.9rem 1.1rem;
  padding: 1rem 1.2rem;
  margin-bottom: clamp(26px, 4vw, 42px);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.obs-filter__field {
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.obs-filter__field select {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 0.5rem 0.75rem;
  min-width: 190px;
}
.obs-filter__field select:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}
.obs-filter__go { padding-block: 0.55rem; }
.obs-filter__clear {
  font-size: 0.86rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 1px;
  margin-bottom: 0.7rem;
}
.obs-filter__clear:hover { color: var(--cyan); }

/* ---------- O livro-razão ---------- */
.obs-ledger {
  list-style: none;
  counter-reset: none;
  border-top: 1px solid var(--line-strong);
}
.obs-entry {
  position: relative;
  display: grid;
  grid-template-columns: 132px 1fr auto;
  gap: 0.6rem 2rem;
  align-items: start;
  padding: clamp(20px, 3vw, 30px) 6px;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease;
}
.obs-entry:hover { background: rgba(255, 255, 255, 0.022); }
.obs-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 2px;
  border-radius: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.obs-entry:hover::before { opacity: 1; }

.obs-entry__id {
  display: grid;
  gap: 0.3rem;
  font-family: var(--font-mono);
  padding-top: 0.2rem;
}
.obs-entry__num {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}
.obs-entry__date {
  font-size: 0.74rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}
.obs-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.55rem;
}
.obs-entry__title {
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.014em;
}
.obs-entry__title a { text-decoration: none; }
.obs-entry__title a:hover { color: var(--cyan); }
.obs-entry__sub {
  margin-top: 0.4rem;
  color: var(--text-dim);
  max-width: 62ch;
}
.obs-entry__ato {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--text-faint);
}
.obs-entry__go {
  align-self: center;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}
.obs-entry__go:hover { text-decoration: underline; }

/* ---------- Pills / etiquetas ---------- */
.obs-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.24rem 0.7rem;
  text-decoration: none;
}
.obs-pill--vec {
  color: var(--cyan);
  border-color: rgba(70, 230, 224, 0.35);
  background: rgba(70, 230, 224, 0.08);
}
.obs-pill--pdf {
  color: var(--magenta);
  border-color: rgba(226, 91, 208, 0.4);
  background: rgba(226, 91, 208, 0.08);
  transition: background 0.2s ease;
}
.obs-pill--pdf:hover { background: rgba(226, 91, 208, 0.18); }

.obs-tag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--text-faint);
  border: 1px dashed var(--line-strong);
  border-radius: 7px;
  padding: 0.22rem 0.6rem;
}

/* ---------- Vazio + rodapé do índice ---------- */
.obs-empty {
  padding: clamp(40px, 7vw, 80px) 0;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line);
}
.obs-empty a { color: var(--cyan); }
.obs-foot {
  margin-top: clamp(28px, 4vw, 44px);
  color: var(--text-faint);
  font-size: 0.92rem;
  max-width: 72ch;
}
.obs-foot a { color: var(--cyan); text-decoration: none; }
.obs-foot a:hover { text-decoration: underline; }

/* ============================================================
   Página da nota
   ============================================================ */
.obs-nota__shell { max-width: 880px; }

.obs-banner {
  border: 1px dashed rgba(70, 230, 224, 0.5);
  border-radius: 12px;
  background: rgba(70, 230, 224, 0.06);
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 0.8rem 1.1rem;
  margin-bottom: 1.6rem;
}
.obs-banner strong { color: var(--cyan); }
.obs-banner--sandbox {
  border-color: rgba(226, 91, 208, 0.55);
  background: rgba(226, 91, 208, 0.07);
}
.obs-banner--sandbox strong { color: var(--magenta); }

.obs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: clamp(22px, 4vw, 38px);
}
.obs-back:hover { color: var(--cyan); }

.obs-nota__head { margin-bottom: clamp(26px, 4vw, 40px); }
.obs-nota__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.2vw, 2.7rem);
  line-height: 1.14;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
.obs-nota__sub {
  margin-top: 0.85rem;
  font-size: 1.13rem;
  color: var(--text-dim);
  max-width: 64ch;
}
.obs-nota__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

/* ---------- Bloco "O fato" ---------- */
.obs-fato {
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(18px, 3vw, 26px);
  margin-bottom: clamp(28px, 4vw, 44px);
}
.obs-fato__label,
.obs-corpo__label,
.obs-rel__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.obs-fato__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem 1.6rem;
}
.obs-fato__grid dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.25rem;
}
.obs-fato__grid dd { font-size: 0.96rem; overflow-wrap: anywhere; }
.obs-fato__grid dd a { color: var(--cyan); text-decoration: none; }
.obs-fato__grid dd a:hover { text-decoration: underline; }
.obs-fato__wide { grid-column: 1 / -1; }

/* ---------- Prosa ---------- */
.obs-corpo { margin-bottom: clamp(28px, 4vw, 44px); }
.obs-prose {
  font-size: 1.06rem;
  line-height: 1.78;
  color: var(--text);
  max-width: 68ch;
}
.obs-prose p { margin-bottom: 1.1em; }
.obs-prose p:last-child { margin-bottom: 0; }
.obs-prose ul, .obs-prose ol { margin: 0 0 1.1em 1.3em; }
.obs-prose li { margin-bottom: 0.4em; }
.obs-prose h2, .obs-prose h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 1.4em 0 0.6em;
}
.obs-prose a { color: var(--cyan); }
.obs-prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 5px;
  padding: 0.1em 0.4em;
}
.obs-prose blockquote {
  border-left: 2px solid var(--line-strong);
  padding-left: 1.1em;
  color: var(--text-dim);
  margin-bottom: 1.1em;
}
.obs-prose table { border-collapse: collapse; margin-bottom: 1.1em; }
.obs-prose th, .obs-prose td {
  border: 1px solid var(--line);
  padding: 0.45em 0.8em;
  font-size: 0.92rem;
}

/* ---------- Apreciação — o único bloco de destaque ---------- */
.obs-aprec {
  position: relative;
  background:
    linear-gradient(135deg,
      rgba(70, 230, 224, 0.06), rgba(139, 92, 246, 0.07) 55%,
      rgba(226, 91, 208, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.28);
  border-radius: 16px;
  padding: clamp(22px, 3.4vw, 34px);
  margin-bottom: clamp(30px, 4vw, 48px);
  overflow: hidden;
}
.obs-aprec::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--grad);
}
.obs-aprec__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}
.obs-aprec__firma {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: baseline;
}
.obs-aprec__firma a {
  font-weight: 400;
  color: var(--text-faint);
  text-decoration: none;
}
.obs-aprec__firma a:hover { color: var(--cyan); }

/* ---------- Rodapé da nota ---------- */
.obs-nota__foot {
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(22px, 3vw, 32px);
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}
.obs-foot-blk h2 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.7rem;
}
.obs-foot-blk p, .obs-foot-blk li {
  color: var(--text-dim);
  font-size: 0.97rem;
  max-width: 70ch;
}
.obs-foot-blk ul { margin-left: 1.2em; }
.obs-foot-blk li { margin-bottom: 0.35em; }
.obs-foot-blk__fine {
  margin-top: 0.8rem;
  font-size: 0.84rem !important;
  color: var(--text-faint) !important;
}
.obs-foot-blk__fine a { color: var(--text-dim); }
.obs-foot-blk--temas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.obs-doc { margin-bottom: 1.1rem; }
.obs-doc:last-child { margin-bottom: 0; }
.obs-doc__title { color: var(--text) !important; font-weight: 600; }
.obs-doc__date {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-left: 0.5rem;
}
.obs-doc__hash {
  font-size: 0.72rem !important;
  color: var(--text-faint) !important;
  overflow-wrap: anywhere;
  margin-top: 0.25rem;
}
.obs-doc__link {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}
.obs-doc__link:hover { text-decoration: underline; }
.obs-doc__priv {
  margin-top: 0.3rem;
  font-size: 0.86rem !important;
  font-style: italic;
}

.obs-cite {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.95rem 1.1rem;
}
.obs-cite code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-dim);
  overflow-wrap: anywhere;
  flex: 1;
}
.obs-cite__copy {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: rgba(70, 230, 224, 0.08);
  border: 1px solid rgba(70, 230, 224, 0.35);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: background 0.2s ease;
}
.obs-cite__copy:hover { background: rgba(70, 230, 224, 0.16); }

/* ---------- Relacionadas ---------- */
.obs-rel { margin-top: clamp(30px, 4vw, 48px); }
.obs-rel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.9rem;
}
.obs-rel__card {
  display: grid;
  gap: 0.4rem;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 1rem 1.15rem;
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease;
}
.obs-rel__card:hover {
  border-color: rgba(70, 230, 224, 0.4);
  transform: translateY(-2px);
}
.obs-rel__num { font-size: 0.7rem; color: var(--cyan); }
.obs-rel__title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.3;
}

/* ---------- Responsivo ---------- */
@media (max-width: 760px) {
  .obs-entry {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding-inline: 2px;
  }
  .obs-entry__id {
    grid-template-columns: auto auto;
    align-items: baseline;
    gap: 0.9rem;
  }
  .obs-entry__go { justify-self: start; margin-top: 0.3rem; }
  .obs-filter__field { flex: 1 1 100%; }
  .obs-filter__field select { width: 100%; }
  .obs-filter__go { width: 100%; }
  .obs-cite { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .obs-entry, .obs-rel__card, .obs-pill--pdf, .obs-cite__copy {
    transition: none;
  }
  .obs-rel__card:hover { transform: none; }
}