/* ============================================================
   PDF Viewer — Full-height Embed with Header
   ============================================================ */

.pdf-viewer-page {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pdf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--misa-space-10) var(--misa-space-20);
  border-bottom: 1px solid #e5e7eb;
  background: var(--misa-bg-white);
  min-height: 48px;
  flex-shrink: 0;
}

.pdf-header-title {
  display: flex;
  align-items: center;
  gap: var(--misa-space-8);
  min-width: 0;
}

.pdf-header-title .pdf-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.pdf-header-title h2 {
  font-size: var(--misa-text-body-lg);
  font-weight: var(--misa-fw-semibold);
  color: var(--misa-text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdf-header-actions {
  display: flex;
  align-items: center;
  gap: var(--misa-space-8);
  flex-shrink: 0;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: var(--misa-space-6);
  padding: var(--misa-space-6) var(--misa-space-12);
  background: var(--misa-bg-blue-tint);
  color: var(--misa-brand-accent);
  border-radius: var(--misa-radius-sm);
  font-size: var(--misa-text-sm);
  font-weight: var(--misa-fw-medium);
  transition: background var(--transition-fast);
  text-decoration: none;
}

.btn-download:hover {
  background: rgba(38, 98, 255, 0.15);
  color: var(--misa-brand-hover);
}

/* === PDF reader === */
.pdf-reader {
  flex: 1;
  position: relative;
  background: #525659;
  overflow: auto;
  padding: var(--misa-space-20);
}
.pdf-pages { min-height: 100%; display: grid; place-items: start center; }
.pdf-page { position: relative; margin: 0 auto; background: white; box-shadow: 0 4px 20px rgba(0,0,0,.35); overflow: hidden; }
.pdf-canvas { display: block; position: absolute; inset: 0; }
.pdf-text-layer { position: absolute; inset: 0; overflow: hidden; opacity: 1; line-height: 1; text-size-adjust: none; forced-color-adjust: none; }
.pdf-text-layer :is(span, br) { color: transparent; position: absolute; white-space: pre; cursor: text; transform-origin: 0% 0%; }
.pdf-text-layer ::selection { background: rgba(38, 98, 255, .34); color: transparent; }
.pdf-note-highlight { position: absolute; background: rgba(250, 204, 21, .38); border-bottom: 2px solid rgba(202, 138, 4, .75); pointer-events: none; z-index: 2; }
.pdf-reader-status { position: sticky; top: 0; z-index: 4; width: max-content; max-width: 100%; margin: 0 auto 12px; padding: 8px 12px; border-radius: var(--misa-radius-sm); color: #fff; background: rgba(15,23,42,.82); }
.pdf-reader-status.error { background: var(--misa-danger); }
.pdf-selection-action { position: fixed; z-index: var(--z-toast); padding: 8px 12px; border-radius: var(--misa-radius-sm); color: #fff; background: var(--misa-brand-accent); box-shadow: var(--misa-shadow-md); }
.pdf-control, .pdf-page-control { display: inline-flex; align-items: center; justify-content: center; min-height: 30px; border: 1px solid #d1d5db; border-radius: var(--misa-radius-sm); color: var(--misa-text-secondary); background: #fff; font-size: var(--misa-text-sm); }
.pdf-control { min-width: 30px; padding: 4px 8px; }
.pdf-control:disabled { opacity: .45; cursor: not-allowed; }
.pdf-page-control { gap: 4px; padding: 4px 8px; white-space: nowrap; }
.pdf-page-control input { width: 38px; border: 0; text-align: center; outline: 0; }
.pdf-fit { padding-inline: 10px; }
}

/* === Documents List === */
.documents-list {
  padding: var(--misa-space-20);
}

.documents-grid {
  display: grid;
  gap: var(--misa-space-8);
  max-width: 900px;
}

.doc-card {
  display: flex;
  align-items: center;
  gap: var(--misa-space-12);
  width: 100%;
  text-align: left;
  padding: var(--misa-space-12);
  border: 1px solid #e5e7eb;
  border-radius: var(--misa-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--misa-bg-white);
}

.doc-card:hover {
  border-color: var(--misa-brand-accent);
  box-shadow: var(--misa-shadow-sm);
  transform: translateY(-1px);
}

.doc-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--misa-bg-blue-tint);
  border-radius: var(--misa-radius-md);
  font-size: 22px;
  flex-shrink: 0;
}

.doc-card-info {
  flex: 1;
  min-width: 0;
}
.doc-card-open { margin-left: auto; color: var(--misa-brand-accent); font-size: var(--misa-text-sm); font-weight: var(--misa-fw-medium); white-space: nowrap; }

.doc-card-title {
  display: block;
  font-size: var(--misa-text-body-lg);
  font-weight: var(--misa-fw-semibold);
  color: var(--misa-text-dark);
  margin-bottom: var(--misa-space-4);
  line-height: var(--misa-lh-tight);
}

.doc-card-subtitle {
  display: block;
  font-size: var(--misa-text-sm);
  color: var(--misa-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .documents-list {
    padding: var(--misa-space-12);
  }
  .pdf-reader { padding: var(--misa-space-12); }
  .pdf-header { align-items: flex-start; gap: 8px; }
  .pdf-header-actions { flex-wrap: wrap; justify-content: flex-end; }
  .pdf-page { max-width: 100%; }
}