/* Book Studio panel, shared by the Obsidian view and the web app. Colors come
   from Obsidian's theme variables when present; the web app sets the fallbacks. */

.bs-studio {
  --bs-bg: var(--background-primary, #ffffff);
  --bs-bg-alt: var(--background-secondary, #f4f3ef);
  --bs-fg: var(--text-normal, #1d1d1f);
  --bs-muted: var(--text-muted, #5c5c63);
  --bs-line: var(--background-modifier-border, #d9d8d3);
  --bs-accent: var(--interactive-accent, #6a4c93);
  --bs-on-accent: var(--text-on-accent, #ffffff);
  --bs-error: var(--text-error, #b3261e);
  --bs-warn: var(--color-orange, #8a5300);
  --bs-good: var(--color-green, #1e6b34);
  --bs-desk: var(--background-secondary-alt, #e7e5df);
  --bs-radius: var(--radius-s, 6px);

  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  color: var(--bs-fg);
  background: var(--bs-bg);
  font-size: var(--font-ui-small, 14px);
}

.bs-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 8px 12px;
}

.bs-top {
  border-bottom: 1px solid var(--bs-line);
}

.bs-spacer {
  flex: 1;
}

.bs-field {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.bs-field > span {
  color: var(--bs-muted);
}

.bs-field.bs-wide input {
  min-width: 16em;
}

.bs-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.bs-book {
  max-width: 28em;
}

.bs-plan {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.bs-badge {
  padding: 2px 8px;
  border: 1px solid var(--bs-line);
  border-radius: 999px;
  color: var(--bs-muted);
  font-size: 0.9em;
}

.bs-badge.is-pro {
  border-color: var(--bs-accent);
  color: var(--bs-accent);
  font-weight: 600;
}

.bs-actions {
  padding-top: 4px;
}

.bs-studio button.bs-link {
  padding: 0;
  height: auto;
  border: 0;
  background: none;
  box-shadow: none;
  color: var(--text-accent, var(--bs-accent));
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
}

.bs-pro-note {
  flex-basis: 100%;
  margin: 0;
  color: var(--bs-muted);
}

.bs-status {
  margin: 0;
  padding: 0 12px 8px;
  color: var(--bs-muted);
}

.bs-status.is-busy::before {
  content: "";
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  margin-right: 0.5em;
  border: 2px solid var(--bs-line);
  border-top-color: var(--bs-accent);
  border-radius: 50%;
  vertical-align: -0.1em;
  animation: bs-spin 0.8s linear infinite;
}

.bs-status.is-error {
  color: var(--bs-error);
}

@keyframes bs-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bs-status.is-busy::before {
    animation: none;
  }
}

.bs-tabs {
  display: flex;
  gap: 2px;
  padding: 0 12px;
  border-bottom: 1px solid var(--bs-line);
}

/* Obsidian styles buttons as inline-flex, which would override [hidden]. */
.bs-studio button[hidden] {
  display: none;
}

.bs-studio button.bs-tab {
  margin-bottom: -1px;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: var(--bs-radius) var(--bs-radius) 0 0;
  background: none;
  box-shadow: none;
  color: var(--bs-muted);
  cursor: pointer;
}

.bs-studio button.bs-tab[aria-selected="true"] {
  border-bottom-color: var(--bs-accent);
  color: var(--bs-fg);
  font-weight: 600;
}

.bs-panel {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px;
}

.bs-panel[hidden] {
  display: none;
}

.bs-panel-preview {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.bs-preview-tools {
  border-bottom: 1px solid var(--bs-line);
}

.bs-pages {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 16px 12px 48px;
  background: var(--bs-desk);
}

.bs-pages:focus-visible {
  outline: 2px solid var(--bs-accent);
  outline-offset: -2px;
}

.bs-spread {
  display: flex;
  justify-content: center;
  margin: 0 auto 20px;
}

.bs-pages.is-facing .bs-spread.is-recto-only {
  padding-left: var(--bs-page-w);
}

.bs-page {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bs-page canvas {
  display: block;
  width: var(--bs-page-w);
  height: var(--bs-page-h);
  background: #fffdf8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18), 0 6px 18px rgba(0, 0, 0, 0.08);
}

.bs-pages.is-facing .bs-page.is-verso canvas {
  box-shadow: -1px 1px 3px rgba(0, 0, 0, 0.18), -6px 6px 18px rgba(0, 0, 0, 0.08);
}

.bs-pages.is-facing .bs-page.is-recto canvas {
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.18), 6px 6px 18px rgba(0, 0, 0, 0.08);
}

.bs-page figcaption {
  margin-top: 4px;
  color: var(--bs-muted);
  font-size: 0.85em;
  font-variant-numeric: tabular-nums;
}

.bs-empty {
  max-width: 40em;
  margin: 24px auto;
  padding: 20px 24px;
  border-radius: var(--bs-radius);
  background: var(--bs-bg);
}

.bs-empty pre {
  overflow: auto;
  padding: 10px 12px;
  border-radius: var(--bs-radius);
  background: var(--bs-bg-alt);
  font-size: 0.9em;
}

.bs-problems {
  margin: 0;
  padding-left: 1.2em;
}

.bs-problems li {
  margin-bottom: 0.7em;
  line-height: 1.45;
}

.bs-problems li.is-error > strong,
.bs-bad {
  color: var(--bs-error);
}

.bs-problems li.is-warning > strong {
  color: var(--bs-warn);
}

.bs-problems li.is-info > strong,
.bs-where,
.bs-fix {
  color: var(--bs-muted);
}

.bs-good {
  color: var(--bs-good);
}

.bs-verdict {
  padding: 8px 12px;
  border-left: 4px solid var(--bs-line);
  background: var(--bs-bg-alt);
}

.bs-verdict.is-pass {
  border-left-color: var(--bs-good);
}

.bs-verdict.is-fail {
  border-left-color: var(--bs-error);
}

.bs-panel-accessibility > label {
  margin: 0 16px 10px 0;
}

.bs-table {
  width: 100%;
  border-collapse: collapse;
}

.bs-table th,
.bs-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--bs-line);
  text-align: left;
  vertical-align: top;
}

/* License panel (web dialog; the plugin uses its settings tab). */
.bs-license {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bs-license-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bs-license-row input {
  flex: 1;
  min-width: 14em;
}

.bs-license .bs-error {
  margin: 0;
  color: var(--bs-error);
}

.bs-license ul {
  margin: 0;
  padding-left: 1.2em;
}

/* Obsidian host: dialog paragraphs and license errors in the settings tab. */
.bs-dialog-text {
  white-space: pre-line;
}

.bs-setting-error {
  color: var(--bs-error);
}

.bs-setting-error:empty {
  display: none;
}

.bs-panel-accessibility .bs-pro-note {
  margin-bottom: 12px;
  max-width: 48em;
}