/* ── Página de visualización de documento — BrandBook Aequorea ── */

/* ─── Layout ─── */
.doc-layout {
  padding-top: 2rem;
  padding-bottom: 3rem;
  max-width: 1100px;
}

/* ─── Top bar: breadcrumb + actions ─── */
.doc-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.doc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.bc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bs-text-2);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--bs-border);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.bc-link:hover {
  color: var(--bs-primary);
  border-color: color-mix(in srgb, var(--bs-primary) 45%, transparent);
  background: color-mix(in srgb, var(--bs-primary) 7%, transparent);
}

.doc-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.doc-btn-download,
.doc-btn-open {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  padding: 0.55rem 1.2rem;
  text-decoration: none;
}

/* ─── Title card ─── */
.doc-title-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bs-surface-0);
  border: 1px solid var(--bs-border);
  border-radius: 18px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 6px 24px -14px rgba(0, 0, 0, 0.6);
}

.doc-title-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bs-primary) 12%, var(--bs-surface-1));
  border: 1px solid color-mix(in srgb, var(--bs-primary) 30%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bs-primary);
}

.doc-title-meta {
  min-width: 0;
  flex: 1;
}

.doc-main-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: clamp(1.1rem, 2.5vw, 1.55rem);
  color: var(--bs-text-0);
  line-height: 1.3;
  margin: 0 0 0.35rem;
  word-break: break-word;
}

/* Suppress global h1 decorators inherited from styles.css */
.doc-main-title::after { display: none !important; }

.doc-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-text-2);
  margin: 0;
}

/* Licencia del documento: mismo chip que en el árbol de recursos, para que se
   reconozca como la misma etiqueta al abrir el archivo. */
.doc-license-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin-top: 0.6rem;
  padding: 0.25em 0.7em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--bs-text-2);
  background: var(--bs-surface-2, rgba(127, 127, 127, 0.12));
  border: 1px solid var(--bs-border);
  border-radius: 999px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.doc-license-chip[hidden] { display: none; }

.doc-license-chip svg { flex-shrink: 0; opacity: 0.8; }

.doc-license-chip:hover {
  color: var(--bs-primary);
  border-color: color-mix(in srgb, var(--bs-primary) 50%, transparent);
  background: color-mix(in srgb, var(--bs-primary) 10%, transparent);
}

/* ─── Viewer wrapper ─── */
.doc-viewer-wrapper {
  position: relative;
  background: var(--bs-surface-0);
  border: 1px solid var(--bs-border);
  border-radius: 18px;
  overflow: hidden;
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px -16px rgba(0, 0, 0, 0.65);
  margin-bottom: 1.25rem;
}

/* Loading state */
.doc-viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--bs-surface-0);
  z-index: 2;
  color: var(--bs-text-1);
  font-family: 'Lexend', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
}

/* Iframe */
.doc-iframe {
  width: 100%;
  flex: 1;
  border: none;
  min-height: 78vh;
  opacity: 0;
  transition: opacity 0.35s ease;
  display: block;
}

.doc-iframe.loaded {
  opacity: 1;
}

/* Fallback (mobile / no PDF support) */
.doc-fallback {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  background: var(--bs-surface-0);
  z-index: 3;
}

.doc-fallback-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
  padding: 2.5rem 2rem;
  color: var(--bs-text-1);
  font-family: 'Lexend', sans-serif;
  font-weight: 300;
}

.doc-fallback-inner svg {
  color: var(--bs-primary);
  opacity: 0.7;
}

.doc-fallback-inner p {
  max-width: 280px;
  line-height: 1.55;
  margin: 0;
}

/* ─── Legal notice ─── */
.doc-legal-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-family: 'Lexend', sans-serif;
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--bs-text-2);
  line-height: 1.5;
  padding: 0.75rem 1rem;
  background: color-mix(in srgb, var(--bs-primary) 4%, var(--bs-surface-0));
  border: 1px solid color-mix(in srgb, var(--bs-primary) 18%, var(--bs-border));
  border-radius: 10px;
}

.doc-legal-notice a {
  color: var(--bs-primary);
  text-decoration: none;
}

.doc-legal-notice a:hover {
  text-decoration: underline;
}

/* ─── Light theme overrides ─── */
html[data-theme='light'] .doc-title-card {
  box-shadow: 0 4px 18px -10px rgba(0, 0, 0, 0.18);
}

html[data-theme='light'] .doc-viewer-wrapper {
  box-shadow: 0 6px 24px -12px rgba(0, 0, 0, 0.2);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .doc-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .doc-actions {
    width: 100%;
  }

  .doc-btn-download,
  .doc-btn-open {
    flex: 1;
    justify-content: center;
  }

  .doc-title-card {
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.25rem 1.1rem;
  }

  .doc-title-icon {
    width: 42px;
    height: 42px;
  }

  .doc-main-title {
    font-size: 1rem;
  }

  .doc-viewer-wrapper,
  .doc-iframe {
    min-height: 55vh;
    border-radius: 12px;
  }
}