/* Portica — Nigredo accent
   Research library: scholarly, restrained, document-focused
   Local styles: all shared components come from core.css */
:root {
  --platform-accent: var(--hh-accent);
  --platform-accent-shadow: var(--hh-accent-dark);
}

/* Hero watermark — Portica logo, massively inflated, ultra-faint */
.hh-hero-section.hh-section--accent-bg {
  position: relative;
}

.hh-hero-section.hh-section--accent-bg::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -20%;
  transform: translateY(-50%);
  width: 90%;
  height: 160%;
  background: url('/assets/logo-portica.svg') no-repeat center / contain;
  filter: brightness(10);
  opacity: 0.04;
  pointer-events: none;
}

/* ===========================
   DOCUMENT LIBRARY STYLES
   Portica-specific components
   =========================== */

/* Document grid */
.portica-docs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.portica-doc-card {
  border: 1px solid var(--hh-border-light);
  padding: 1.75rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.portica-doc-card:hover {
  border-color: var(--platform-accent);
  box-shadow: 0 2px 12px rgba(28, 38, 49, 0.08);
}

.portica-doc-card__type {
  font-family: var(--hh-font-sans);
  font-size: var(--hh-fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--platform-accent);
  margin-bottom: 0.75rem;
}

.portica-doc-card__title {
  font-family: var(--hh-font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--hh-text-dark);
  line-height: 1.35;
  margin: 0 0 0.75rem;
}

.portica-doc-card__desc {
  font-family: var(--hh-font-sans);
  font-size: var(--hh-fs-sm);
  color: var(--hh-text-muted-dark);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.portica-doc-card__meta {
  font-family: var(--hh-font-sans);
  font-size: var(--hh-fs-xs);
  color: var(--hh-text-muted-dark);
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hh-border-light);
  display: flex;
  justify-content: space-between;
}

/* Portica scholarly note — left-bordered aside */
.portica-note {
  border-left: 3px solid var(--hh-accent);
  padding: 1.25rem 1.5rem;
  margin-top: 2rem;
  background: color-mix(in srgb, var(--hh-nigredo) 3%, var(--hh-surface-light));
}

.portica-note p {
  color: var(--hh-text-muted-dark);
  font-size: var(--hh-fs-sm);
  margin: 0;
  line-height: 1.7;
}

/* ===========================
   VIEWER PAGE STYLES
   =========================== */

.portica-viewer {
  max-width: 780px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

.portica-viewer__back {
  font-family: var(--hh-font-sans);
  font-size: var(--hh-fs-sm);
  color: var(--platform-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.portica-viewer__back:hover {
  text-decoration: underline;
}

.portica-viewer__content {
  font-family: var(--hh-font-sans);
  font-size: 0.95rem;
  color: var(--hh-text-dark);
  line-height: 1.8;
}

.portica-viewer__content h1 {
  font-family: var(--hh-font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--hh-text-dark);
  margin: 0 0 1rem;
  line-height: 1.25;
}

.portica-viewer__content h2 {
  font-family: var(--hh-font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--hh-text-dark);
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
}

.portica-viewer__content h3 {
  font-family: var(--hh-font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--hh-text-dark);
  margin: 2rem 0 0.75rem;
}

.portica-viewer__content h4 {
  font-family: var(--hh-font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--hh-text-muted-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 1.5rem 0 0.5rem;
}

.portica-viewer__content p {
  margin: 0 0 1.25rem;
}

.portica-viewer__content ul,
.portica-viewer__content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.portica-viewer__content li {
  margin-bottom: 0.4rem;
}

.portica-viewer__content blockquote {
  border-left: 3px solid var(--platform-accent);
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  color: var(--hh-text-muted-dark);
  background: rgba(28, 38, 49, 0.03);
}

.portica-viewer__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: var(--hh-fs-sm);
}

.portica-viewer__content th,
.portica-viewer__content td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--hh-border-light);
}

.portica-viewer__content th {
  font-weight: 600;
  color: var(--hh-text-dark);
  border-bottom-width: 2px;
}

.portica-viewer__content code {
  font-family: var(--hh-font-mono);
  font-size: 0.85em;
  background: rgba(0, 0, 0, 0.04);
  padding: 0.15em 0.35em;
  border-radius: 3px;
}

.portica-viewer__content pre {
  background: var(--hh-bg-dark);
  color: var(--hh-text-light);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

.portica-viewer__content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.portica-viewer__content hr {
  border: none;
  border-top: 1px solid var(--hh-border-light);
  margin: 2.5rem 0;
}

.portica-viewer__content strong {
  font-weight: 600;
  color: var(--hh-text-dark);
}

.portica-viewer__loading {
  text-align: center;
  padding: 4rem 0;
  font-family: var(--hh-font-sans);
  color: var(--hh-text-muted-dark);
}

.portica-viewer__error {
  text-align: center;
  padding: 4rem 0;
  font-family: var(--hh-font-sans);
  color: var(--hh-accent);
}

@media (max-width: 768px) {
  .portica-docs {
    grid-template-columns: 1fr;
  }
  .portica-viewer {
    padding: 4rem 1.5rem 3rem;
  }
  .hh-hero-section.hh-section--accent-bg::after {
    right: -40%;
    width: 120%;
    opacity: 0.03;
  }
}

@media (max-width: 480px) {
  .hh-hero-section.hh-section--accent-bg::after {
    right: -10%;
    width: 80%;
    opacity: 0.035;
  }
}