html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #f3efe8;
  color: #1a1a1a;
  font-family: Georgia, "Times New Roman", serif;
}

.viewer-shell {
  padding: 24px;
}

.viewer-header {
  align-items: end;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.viewer-header h1,
.viewer-header p {
  margin: 0;
}

.viewer-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

.viewer-hint,
#status {
  color: #5b534b;
  font-size: 0.95rem;
}

.viewer-stage {
  overflow: auto;
}

.viewer-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 16px;
}

.viewer-controls-group {
  display: flex;
  gap: 8px;
}

.viewer-controls button,
.viewer-page-form input {
  border: 1px solid #bcae9e;
  border-radius: 6px;
  font: inherit;
  padding: 8px 12px;
}

.viewer-controls button {
  background: #fffaf2;
  color: inherit;
}

.viewer-controls button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.viewer-page-status {
  color: #5b534b;
  margin: 0;
}

.viewer-page-form {
  align-items: center;
  display: flex;
  gap: 8px;
}

.viewer-page-form label {
  color: #5b534b;
}

.viewer-page-form input {
  background: #fff;
  width: 96px;
}

.viewer {
  background: #fff;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
  display: inline-block;
  position: relative;
}

#pdf-canvas {
  display: block;
}

.overlay {
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.overlay-link {
  background: rgba(197, 111, 39, 0.08);
  border: 1px solid rgba(197, 111, 39, 0.35);
  cursor: pointer;
  pointer-events: auto;
  position: absolute;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.overlay-link:hover,
.overlay-link:focus-visible {
  background: rgba(197, 111, 39, 0.18);
  border-color: rgba(197, 111, 39, 0.8);
  outline: none;
}

@media (max-width: 720px) {
  .viewer-shell {
    padding: 16px;
  }

  .viewer-header {
    align-items: start;
    flex-direction: column;
  }

  .viewer-controls,
  .viewer-page-form {
    align-items: start;
    flex-direction: column;
  }
}