:root {
  color-scheme: light;
  --pg-bg: #edf1f4;
  --pg-surface: #ffffff;
  --pg-surface-alt: #f5f7fa;
  --pg-panel: #ffffff;
  --pg-panel-soft: #f7f9fb;
  --pg-ink: #24303b;
  --pg-muted: #6f7d89;
  --pg-border: #dbe3ea;
  --pg-border-strong: #cfd8e2;
  --pg-accent: #1790bf;
  --pg-accent-strong: #0f6f95;
  --pg-success: #19a86b;
  --pg-warm: #ef6b5b;
  --pg-shadow: 0 20px 40px rgba(34, 48, 59, 0.08);
  --pg-shadow-soft: 0 12px 24px rgba(34, 48, 59, 0.06);
  --pg-radius-lg: 24px;
  --pg-radius-md: 16px;
  --pg-radius-sm: 12px;
  --pg-topbar-height: 78px;
}

* {
  box-sizing: border-box;
}

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

#pdfGuidelineStudioApp {
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--pg-ink);
  background:
    radial-gradient(circle at top left, rgba(23, 144, 191, 0.07), transparent 22%),
    linear-gradient(180deg, #f6f8fb 0%, var(--pg-bg) 100%);
}

body.pdf-guideline-studio-body--embed {
  background: transparent;
  height: 100%;
  overflow: hidden;
}

body.pdf-guideline-studio-body--modal-open {
  overflow: hidden;
}

body.pdf-guideline-studio-body--embed #pdfGuidelineStudioApp {
  height: 100%;
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
}

.pdf-guideline-studio {
  /* 整頁剛好一個視窗高：標題區、狀態列吃自然高度，工作區吃剩下的，外層不再出現捲軸 */
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.pdf-guideline-studio.is-embed {
  min-height: 100%;
  height: 100%;
}

.pdf-guideline-studio__masthead {
  /* 不再 sticky：正常情況整頁不會捲；視窗太矮才會捲，這時標題區跟著捲走，才不會蓋住 PDF 工具列 */
  position: relative;
  z-index: 20;
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(36, 48, 59, 0.08);
  background: rgba(250, 252, 253, 0.92);
  backdrop-filter: blur(16px);
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__masthead {
  position: relative;
  padding: 14px 16px;
  border-bottom-color: rgba(36, 48, 59, 0.06);
}

.pdf-guideline-studio__brand {
  min-width: 0;
}

.pdf-guideline-studio__eyebrow {
  margin: 0 0 6px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pg-muted);
}

.pdf-guideline-studio__title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pdf-guideline-studio__title {
  margin: 0;
  font-size: clamp(1.25rem, 1.2vw + 1rem, 1.95rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__title {
  font-size: clamp(1.1rem, 1vw + 0.95rem, 1.45rem);
}

.pdf-guideline-studio__title-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(23, 144, 191, 0.1);
  color: var(--pg-accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.pdf-guideline-studio__title-pill.is-muted {
  background: rgba(36, 48, 59, 0.06);
  color: var(--pg-muted);
}

.pdf-guideline-studio__summary {
  margin: 10px 0 0;
  max-width: 58rem;
  color: var(--pg-muted);
  line-height: 1.68;
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__summary {
  font-size: 0.92rem;
  margin-top: 8px;
}

.pdf-guideline-studio__topbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.pdf-guideline-studio__button,
.pdf-guideline-studio__button--ghost,
.pdf-guideline-studio__button--tonal {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.pdf-guideline-studio__button svg,
.pdf-guideline-studio__button--ghost svg,
.pdf-guideline-studio__button--tonal svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pdf-guideline-studio__button {
  color: #ffffff;
  background: linear-gradient(135deg, var(--pg-accent) 0%, var(--pg-accent-strong) 100%);
  box-shadow: 0 12px 24px rgba(23, 144, 191, 0.24);
}

.pdf-guideline-studio__button--ghost {
  color: var(--pg-ink);
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--pg-border);
}

.pdf-guideline-studio__button--tonal {
  color: var(--pg-accent-strong);
  background: rgba(23, 144, 191, 0.09);
  border-color: rgba(23, 144, 191, 0.14);
}

.pdf-guideline-studio__button:hover,
.pdf-guideline-studio__button--ghost:hover,
.pdf-guideline-studio__button--tonal:hover {
  transform: translateY(-1px);
}

.pdf-guideline-studio__button:disabled,
.pdf-guideline-studio__button--ghost:disabled,
.pdf-guideline-studio__button--tonal:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
}

.pdf-guideline-studio__button:focus-visible,
.pdf-guideline-studio__button--ghost:focus-visible,
.pdf-guideline-studio__button--tonal:focus-visible,
.pdf-guideline-studio__toolbar-button:focus-visible,
.pdf-guideline-studio__page-input:focus-visible,
.pdf-guideline-studio__field input:focus-visible,
.pdf-guideline-studio__field textarea:focus-visible,
.pdf-guideline-studio__highlight-card:focus-visible,
.pdf-guideline-studio__page-highlight:focus-visible,
.pdf-guideline-studio__mini-button:focus-visible,
.pdf-guideline-studio__doc-link:focus-visible {
  outline: 2px solid rgba(23, 144, 191, 0.3);
  outline-offset: 2px;
}

.pdf-guideline-studio__status-strip {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 14px 22px 0;
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__status-strip {
  padding: 12px 16px 0;
}

.pdf-guideline-studio__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--pg-border);
  color: var(--pg-muted);
}

.pdf-guideline-studio__badge.is-online {
  color: var(--pg-success);
  border-color: rgba(25, 168, 107, 0.18);
}

.pdf-guideline-studio__badge.is-local {
  color: #9d6b37;
  border-color: rgba(239, 107, 91, 0.16);
}

.pdf-guideline-studio__message {
  margin: 12px 22px 0;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  border: 1px solid rgba(23, 144, 191, 0.14);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--pg-shadow-soft);
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__message {
  margin: 12px 16px 0;
}

.pdf-guideline-studio__message[hidden] {
  display: none !important;
}

.pdf-guideline-studio__message.is-error {
  color: #8a4136;
  border-color: rgba(239, 107, 91, 0.2);
  background: rgba(255, 245, 243, 0.94);
}

.pdf-guideline-studio__shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.72fr) minmax(320px, 0.9fr);
  gap: 18px;
  align-items: stretch;
  padding: 18px 22px 24px;
  flex: 1 1 auto;
  height: auto;
  min-height: 420px;
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__shell {
  padding: 14px 16px 16px;
  height: min(880px, calc(100vh - 112px));
  min-height: min(880px, calc(100vh - 112px));
}

.pdf-guideline-studio__panel {
  position: relative;
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-radius-lg);
  background: var(--pg-panel);
  box-shadow: var(--pg-shadow);
  overflow: hidden;
}

.pdf-guideline-studio__panel--viewer,
.pdf-guideline-studio__panel--sidebar {
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pdf-guideline-studio.is-embed .pdf-guideline-studio__panel--viewer,
.pdf-guideline-studio.is-embed .pdf-guideline-studio__panel--sidebar {
  min-height: 0;
}

.pdf-guideline-studio__toolbar {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--pg-border);
  background: #ffffff;
  overflow-x: auto;
}

.pdf-guideline-studio__toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.pdf-guideline-studio__toolbar-group--aside {
  margin-left: auto;
}

.pdf-guideline-studio__toolbar-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: #5e6d79;
  min-width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
}

.pdf-guideline-studio__toolbar-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pdf-guideline-studio__toolbar-button:hover {
  background: rgba(36, 48, 59, 0.06);
  color: var(--pg-ink);
}

.pdf-guideline-studio__toolbar-button.is-active {
  background: rgba(23, 144, 191, 0.1);
  color: var(--pg-accent-strong);
}

.pdf-guideline-studio__toolbar-button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  background: transparent;
}

.pdf-guideline-studio__toolbar-button--value {
  min-width: 68px;
  padding: 0 12px;
  color: var(--pg-ink);
  font-weight: 700;
}

.pdf-guideline-studio__toolbar-button--text {
  min-width: auto;
  padding: 0 12px;
  font-weight: 700;
  color: var(--pg-accent-strong);
}

.pdf-guideline-studio__search-shell {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.pdf-guideline-studio__search-panel {
  position: absolute;
  top: 50%;
  right: calc(100% + 10px);
  transform: translateY(-50%);
  z-index: 14;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(117, 136, 150, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 32px rgba(18, 32, 45, 0.12);
  backdrop-filter: blur(10px);
}

.pdf-guideline-studio__search-panel[hidden] {
  display: none !important;
}

.pdf-guideline-studio__search-input-wrap {
  display: inline-flex;
  align-items: center;
}

.pdf-guideline-studio__search-input {
  width: min(28vw, 220px);
  min-width: 120px;
  height: 34px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid rgba(117, 136, 150, 0.22);
  background: #ffffff;
  color: var(--pg-ink);
  font: inherit;
}

.pdf-guideline-studio__search-input:focus {
  outline: none;
  border-color: rgba(23, 144, 191, 0.42);
  box-shadow: 0 0 0 3px rgba(23, 144, 191, 0.12);
}

.pdf-guideline-studio__search-toggle,
.pdf-guideline-studio__search-nav {
  appearance: none;
  height: 34px;
  min-width: 34px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid rgba(117, 136, 150, 0.22);
  background: #ffffff;
  color: var(--pg-ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.pdf-guideline-studio__search-toggle.is-active {
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.3);
  background: rgba(23, 144, 191, 0.08);
}

.pdf-guideline-studio__search-toggle:disabled,
.pdf-guideline-studio__search-nav:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.pdf-guideline-studio__search-count {
  min-width: 48px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pg-muted);
}

.pdf-guideline-studio__toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--pg-border);
  margin: 0 4px;
  flex: 0 0 1px;
}

.pdf-guideline-studio__toolbar-color-dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 1px solid rgba(36, 48, 59, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.pdf-guideline-studio__page-input-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 8px;
  border-radius: 10px;
}

.pdf-guideline-studio__page-input {
  width: 3rem;
  height: 30px;
  border: 1px solid var(--pg-border);
  border-radius: 8px;
  text-align: center;
  color: var(--pg-ink);
  background: #ffffff;
  padding: 0 6px;
}

.pdf-guideline-studio__page-count {
  font-size: 0.95rem;
  color: var(--pg-muted);
  font-weight: 700;
}

.pdf-guideline-studio__toolbar-note {
  font-size: 0.84rem;
  color: var(--pg-muted);
  white-space: nowrap;
}

.pdf-guideline-studio__pdf-pane {
  position: relative;
  flex: 1;
  overflow: auto;
  scrollbar-gutter: stable both-edges;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(237, 241, 244, 0.7), rgba(245, 247, 250, 0.88)),
    var(--pg-panel-soft);
}

.pdf-guideline-studio__pdf-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.pdf-guideline-studio__page-card {
  width: max-content;
  min-width: 100%;
  border: 1px solid var(--pg-border);
  border-radius: 20px;
  padding: 14px;
  background: #ffffff;
  box-shadow: 0 14px 28px rgba(34, 48, 59, 0.06);
}

.pdf-guideline-studio__page-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--pg-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pdf-guideline-studio__page-stage {
  position: relative;
  width: max-content;
  overflow: hidden;
  border-radius: 14px;
  background: #f7f9fb;
  box-shadow: inset 0 0 0 1px rgba(36, 48, 59, 0.03);
}

.pdf-guideline-studio__page-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
}

.pdf-guideline-studio__page-text-layer {
  position: absolute;
  inset: 0;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  overflow: hidden;
  text-align: initial;
  line-height: 1;
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  text-size-adjust: none;
  forced-color-adjust: none;
  transform-origin: 0 0;
  opacity: 0.25;
  color: transparent;
  pointer-events: none;
  user-select: none;
}

.pdf-guideline-studio__page-text-layer span,
.pdf-guideline-studio__page-text-layer br {
  position: absolute;
  transform-origin: 0 0;
  white-space: pre;
  color: transparent;
  cursor: text;
}

.pdf-guideline-studio__page-text-layer span.markedContent {
  top: 0;
  height: 0;
}

.pdf-guideline-studio__page-text-layer span::selection {
  background: rgba(23, 144, 191, 0.28);
}

.pdf-guideline-studio__page-text-layer span.is-search-match {
  background: rgba(23, 144, 191, 0.2);
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(23, 144, 191, 0.1);
}

.pdf-guideline-studio__page-text-layer span.is-search-match-active {
  background: rgba(239, 107, 91, 0.26);
  box-shadow: 0 0 0 1px rgba(239, 107, 91, 0.22);
}

.pdf-guideline-studio__page-text-layer.is-selection-enabled {
  pointer-events: auto;
  user-select: text;
}

.pdf-guideline-studio__page-search-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.pdf-guideline-studio__page-search-match {
  position: absolute;
  border-radius: 3px;
  pointer-events: none;
  background: rgba(23, 144, 191, 0.16);
  box-shadow: 0 0 0 1px rgba(23, 144, 191, 0.1);
}

.pdf-guideline-studio__page-search-match.is-active {
  background: rgba(239, 107, 91, 0.26);
  box-shadow: 0 0 0 1px rgba(239, 107, 91, 0.2);
}

.pdf-guideline-studio__page-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  cursor: default;
  pointer-events: auto;
}

.pdf-guideline-studio__page-overlay.is-draw-enabled {
  cursor: text;
  pointer-events: none;
}

.pdf-guideline-studio__page-overlay.is-draw-enabled::after {
  content: "反白文字即可新增 highlight";
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(23, 144, 191, 0.9);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pdf-guideline-studio__page-overlay.is-capture-enabled {
  cursor: crosshair;
  pointer-events: auto;
}

.pdf-guideline-studio__page-overlay.is-capture-enabled::after {
  content: "拖曳框選要截圖的區域";
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(239, 107, 91, 0.92);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pdf-guideline-studio__page-highlight {
  position: absolute;
  border: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  pointer-events: auto;
  transition: transform 130ms ease;
}

.pdf-guideline-studio__page-highlight:focus,
.pdf-guideline-studio__page-highlight:focus-visible {
  outline: none;
}

.pdf-guideline-studio__page-highlight-segment {
  position: absolute;
  border-radius: 3px;
  border: 0;
  background: color-mix(in srgb, var(--highlight-color, #f6dd54) 34%, transparent);
  box-shadow: none;
  pointer-events: none;
}

.pdf-guideline-studio__page-highlight:hover .pdf-guideline-studio__page-highlight-segment,
.pdf-guideline-studio__page-highlight.is-selected .pdf-guideline-studio__page-highlight-segment {
  background: color-mix(in srgb, var(--highlight-color, #f6dd54) 46%, transparent);
}

.pdf-guideline-studio__draft-highlight {
  position: absolute;
  pointer-events: none;
  border: 2px dashed rgba(23, 144, 191, 0.92);
  background: rgba(23, 144, 191, 0.16);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.pdf-guideline-studio__loading {
  padding: 44px 18px;
  color: var(--pg-muted);
  text-align: center;
  line-height: 1.7;
}

.pdf-guideline-studio__sidebar-head {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--pg-border);
  background: #ffffff;
  position: relative;
  z-index: 2;
}

.pdf-guideline-studio__sidebar-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pdf-guideline-studio__sidebar-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pdf-guideline-studio__sidebar-kicker {
  margin: 0 0 4px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pg-muted);
}

.pdf-guideline-studio__sidebar-title {
  margin: 0;
  font-size: 1rem;
}

.pdf-guideline-studio__sidebar-search-button {
  flex: 0 0 auto;
}

.pdf-guideline-studio__search-shell--sidebar .pdf-guideline-studio__search-panel {
  right: calc(100% + 10px);
  width: max-content;
  max-width: none;
  padding-right: 10px;
}

.pdf-guideline-studio__search-shell--sidebar .pdf-guideline-studio__search-input {
  width: min(28vw, 220px);
}

.pdf-guideline-studio__filter-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 14;
  width: min(320px, 78vw);
  padding: 12px;
  border: 1px solid rgba(117, 136, 150, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 32px rgba(18, 32, 45, 0.12);
  backdrop-filter: blur(10px);
}

.pdf-guideline-studio__filter-panel[hidden] {
  display: none !important;
}

.pdf-guideline-studio__filter-section + .pdf-guideline-studio__filter-section {
  margin-top: 12px;
}

.pdf-guideline-studio__filter-label {
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--pg-muted);
}

.pdf-guideline-studio__filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pdf-guideline-studio__filter-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid rgba(117, 136, 150, 0.22);
  background: #fff;
  color: var(--pg-ink);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.pdf-guideline-studio__filter-chip.is-selected {
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.32);
  background: rgba(23, 144, 191, 0.08);
}

.pdf-guideline-studio__filter-chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(35, 52, 67, 0.12);
}

.pdf-guideline-studio__filter-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.pdf-guideline-studio__filter-empty {
  color: var(--pg-muted);
  font-size: 0.82rem;
}

.pdf-guideline-studio__connector {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  overflow: visible;
}

.pdf-guideline-studio__connector path {
  fill: none;
  stroke: var(--pg-warm);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.pdf-guideline-studio__connector circle {
  fill: var(--pg-warm);
}

.pdf-guideline-studio__sidebar-scroll {
  position: relative;
  flex: 1;
  overflow: auto;
  scrollbar-gutter: stable;
  padding: 16px;
  background: linear-gradient(180deg, #fbfcfd 0%, #f7f9fb 100%);
}

.pdf-guideline-studio__pdf-pane::-webkit-scrollbar,
.pdf-guideline-studio__sidebar-scroll::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}

.pdf-guideline-studio__pdf-pane::-webkit-scrollbar-thumb,
.pdf-guideline-studio__sidebar-scroll::-webkit-scrollbar-thumb {
  background: rgba(103, 124, 140, 0.42);
  border-radius: 999px;
  border: 2px solid rgba(0, 0, 0, 0);
  background-clip: padding-box;
}

.pdf-guideline-studio__pdf-pane::-webkit-scrollbar-track,
.pdf-guideline-studio__sidebar-scroll::-webkit-scrollbar-track {
  background: rgba(218, 228, 236, 0.5);
  border-radius: 999px;
}

.pdf-guideline-studio__doc-meta,
.pdf-guideline-studio__editor-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--pg-border);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--pg-shadow-soft);
}

.pdf-guideline-studio__editor-card {
  margin-top: 14px;
}

.pdf-guideline-studio__section-title {
  margin: 0 0 14px;
  font-size: 0.98rem;
}

.pdf-guideline-studio__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.pdf-guideline-studio__section-head .pdf-guideline-studio__section-title {
  margin: 0;
}

.pdf-guideline-studio__collapse-toggle {
  appearance: none;
  border: 1px solid var(--pg-border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--pg-muted);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.pdf-guideline-studio__collapse-toggle:hover {
  background: rgba(23, 144, 191, 0.08);
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.24);
}

.pdf-guideline-studio__doc-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.pdf-guideline-studio__doc-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(23, 144, 191, 0.08);
  color: var(--pg-accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
}

.pdf-guideline-studio__doc-summary {
  margin: 14px 0 0;
  color: var(--pg-muted);
  font-size: 0.94rem;
  line-height: 1.72;
}

.pdf-guideline-studio__doc-links {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pdf-guideline-studio__doc-link {
  color: var(--pg-accent-strong);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
}

.pdf-guideline-studio__doc-link:hover {
  text-decoration: underline;
}

.pdf-guideline-studio__highlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pdf-guideline-studio__highlight-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(23, 144, 191, 0.08);
  color: var(--pg-accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.pdf-guideline-studio__doc-form {
  display: grid;
  gap: 12px;
}

.pdf-guideline-studio__doc-form[hidden] {
  display: none !important;
}

.pdf-guideline-studio__field {
  display: grid;
  gap: 7px;
}

.pdf-guideline-studio__field-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pg-muted);
}

.pdf-guideline-studio__field input,
.pdf-guideline-studio__field textarea {
  width: 100%;
  border: 1px solid var(--pg-border);
  border-radius: 14px;
  background: #ffffff;
  color: var(--pg-ink);
  padding: 12px 14px;
  line-height: 1.6;
}

.pdf-guideline-studio__field textarea {
  min-height: 110px;
  resize: vertical;
}

.pdf-guideline-studio__highlight-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.pdf-guideline-studio__highlight-card {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 16px 16px 16px 20px;
  border-radius: 18px;
  border: 1px solid var(--pg-border);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--pg-shadow-soft);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.pdf-guideline-studio__highlight-card:hover {
  transform: translateY(-1px);
}

.pdf-guideline-studio__highlight-card.is-selected {
  border-color: rgba(23, 144, 191, 0.28);
  box-shadow:
    0 0 0 1px rgba(23, 144, 191, 0.08),
    0 16px 28px rgba(23, 144, 191, 0.12);
}

.pdf-guideline-studio__highlight-card-accent {
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 0;
  width: 4px;
  border-radius: 0 999px 999px 0;
}

.pdf-guideline-studio__highlight-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.pdf-guideline-studio__highlight-card-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.pdf-guideline-studio__highlight-card-title {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.pdf-guideline-studio__highlight-card-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pg-muted);
}

.pdf-guideline-studio__highlight-card-heading {
  margin: 0;
  font-size: 1rem;
  line-height: 1.45;
}

.pdf-guideline-studio__highlight-quote,
.pdf-guideline-studio__highlight-note {
  margin: 0;
  color: #4e5e6c;
  line-height: 1.68;
}

.pdf-guideline-studio__highlight-image {
  margin: 0;
  border: 1px solid var(--pg-border);
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
}

.pdf-guideline-studio__highlight-image img {
  width: 100%;
  display: block;
  height: auto;
  cursor: zoom-in;
}

.pdf-guideline-studio__image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.pdf-guideline-studio__image-lightbox[hidden] {
  display: none !important;
}

.pdf-guideline-studio__image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgba(20, 28, 35, 0.72);
  backdrop-filter: blur(6px);
  cursor: zoom-out;
}

.pdf-guideline-studio__image-lightbox-dialog {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: min(92vw, 1480px);
  max-height: calc(100vh - 56px);
}

.pdf-guideline-studio__image-lightbox-img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 56px);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
}

.pdf-guideline-studio__image-lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(22, 30, 36, 0.78);
  color: #ffffff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.pdf-guideline-studio__highlight-quote {
  padding-left: 12px;
  border-left: 3px solid rgba(23, 144, 191, 0.16);
  font-style: italic;
}

.pdf-guideline-studio__highlight-quote.is-clamped,
.pdf-guideline-studio__highlight-note.is-clamped {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pdf-guideline-studio__highlight-quote.is-clamped {
  -webkit-line-clamp: 4;
}

.pdf-guideline-studio__highlight-note.is-clamped {
  -webkit-line-clamp: 4;
}

.pdf-guideline-studio__search-hit {
  padding: 0 0.04em;
  border-radius: 0.24em;
  background: rgba(23, 144, 191, 0.16);
  color: inherit;
}

.pdf-guideline-studio__search-hit.is-active {
  background: rgba(239, 107, 91, 0.26);
}

.pdf-guideline-studio__highlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pdf-guideline-studio__mini-button {
  appearance: none;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--pg-border);
  background: #ffffff;
  color: var(--pg-ink);
  cursor: pointer;
}

.pdf-guideline-studio__mini-button.is-danger {
  color: #944439;
  border-color: rgba(239, 107, 91, 0.18);
}

.pdf-guideline-studio__mini-button--cite {
  min-height: 30px;
  padding: 0 11px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.24);
  background: rgba(23, 144, 191, 0.08);
}

.pdf-guideline-studio__mini-button--cite:hover {
  background: rgba(23, 144, 191, 0.16);
}

.pdf-guideline-studio__mini-button--preview {
  min-width: 30px;
  min-height: 30px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.24);
  background: rgba(23, 144, 191, 0.08);
}

.pdf-guideline-studio__mini-button--preview:hover {
  background: rgba(23, 144, 191, 0.16);
}

.pdf-guideline-studio__mini-button--preview svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pdf-guideline-studio__color-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pdf-guideline-studio__color-button {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.62), 0 0 0 1px rgba(36, 48, 59, 0.08);
}

.pdf-guideline-studio__color-button.is-selected {
  border-color: rgba(23, 144, 191, 0.68);
}

.pdf-guideline-studio__empty {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(23, 144, 191, 0.22);
  background: rgba(255, 255, 255, 0.72);
  color: var(--pg-muted);
  line-height: 1.7;
}

.pdf-guideline-studio__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1180px) {
  .pdf-guideline-studio {
    height: auto;
    min-height: 100vh;
  }

  .pdf-guideline-studio__shell {
    grid-template-columns: 1fr;
    flex: 0 0 auto;
    height: auto;
    min-height: 0;
  }

  .pdf-guideline-studio__panel--viewer,
  .pdf-guideline-studio__panel--sidebar {
    min-height: auto;
    height: auto;
  }

  .pdf-guideline-studio__connector {
    display: none;
  }
}

@media (max-width: 820px) {
  .pdf-guideline-studio__masthead {
    flex-direction: column;
    align-items: stretch;
  }

  .pdf-guideline-studio__topbar-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .pdf-guideline-studio__masthead,
  .pdf-guideline-studio__status-strip,
  .pdf-guideline-studio__shell {
    padding-left: 14px;
    padding-right: 14px;
  }

  .pdf-guideline-studio__toolbar {
    padding-left: 10px;
    padding-right: 10px;
  }

  .pdf-guideline-studio__toolbar-note {
    display: none;
  }

  .pdf-guideline-studio__sidebar-scroll,
  .pdf-guideline-studio__pdf-pane {
    padding: 12px;
  }

  .pdf-guideline-studio__page-card {
    padding: 10px;
    border-radius: 16px;
  }

  .pdf-guideline-studio__search-panel {
    right: 0;
    top: calc(100% + 10px);
    transform: none;
    max-width: min(90vw, 360px);
    flex-wrap: wrap;
  }

  .pdf-guideline-studio__search-input,
  .pdf-guideline-studio__search-shell--sidebar .pdf-guideline-studio__search-input {
    width: min(56vw, 240px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pdf-guideline-studio__button,
  .pdf-guideline-studio__button--ghost,
  .pdf-guideline-studio__button--tonal,
  .pdf-guideline-studio__toolbar-button,
  .pdf-guideline-studio__highlight-card,
  .pdf-guideline-studio__page-highlight {
    transition: none;
  }
}

/* 懶載入：尚未畫出的頁面先放淡色占位，避免長文件一次畫完 */
.pdf-guideline-studio__page-card.is-pending .pdf-guideline-studio__page-stage {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.035), rgba(15, 23, 42, 0.015)),
    #fff;
}
.pdf-guideline-studio__page-card.is-pending .pdf-guideline-studio__page-stage::after {
  content: "載入中…";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.85rem;
  color: rgba(15, 23, 42, 0.35);
  letter-spacing: 0.08em;
}

/* ==========================================================================
   完整模式雙欄版面：PDF 面板從最頂端滿高，標題／狀態列搬進右欄頂端
   ========================================================================== */
.pdf-guideline-studio.is-full .pdf-guideline-studio__shell {
  grid-template-columns: minmax(0, 1fr) clamp(320px, 27vw, 420px);
  gap: 14px;
  padding: 12px 14px 14px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head {
  flex: 0 0 auto;
  max-height: 46vh;
  overflow: auto;
  border-bottom: 1px solid var(--pg-border);
  background: #ffffff;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__masthead {
  position: static;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  padding: 14px 16px 10px;
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__eyebrow {
  margin-bottom: 4px;
  font-size: 0.68rem;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__title {
  font-size: 1.05rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__title-row {
  gap: 6px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__summary {
  margin-top: 6px;
  font-size: 0.84rem;
  line-height: 1.55;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions {
  justify-content: flex-start;
  gap: 6px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button--ghost,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button--tonal {
  min-height: 32px;
  padding: 0 10px;
  font-size: 0.8rem;
  border-radius: 9px;
  box-shadow: none;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__status-strip {
  padding: 0 16px 12px;
  gap: 6px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__badge {
  min-height: 26px;
  padding: 0 9px;
  font-size: 0.72rem;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__message {
  margin: 0 16px 12px;
}

@media (max-width: 1180px) {
  /* 單欄時右欄（標題＋highlights）排在 PDF 上面，標題區不再限高 */
  .pdf-guideline-studio.is-full .pdf-guideline-studio__shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }

  .pdf-guideline-studio.is-full .pdf-guideline-studio__panel--sidebar {
    order: -1;
  }

  .pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head {
    max-height: none;
  }

  .pdf-guideline-studio.is-full .pdf-guideline-studio__sidebar-scroll {
    max-height: 40vh;
  }
}

/* ---- 右欄文件資訊：預設收合（只留標題＋按鈕列），可展開；次要按鈕改圖示＋hover 說明 ---- */
.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head {
  position: relative;
  overflow: visible;
  max-height: none;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head:not(.is-collapsed) {
  max-height: 46vh;
  overflow: auto;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head-toggle {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 3;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--pg-border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--pg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head-toggle svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms ease;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head:not(.is-collapsed) .pdf-guideline-studio__doc-head-toggle svg {
  transform: rotate(180deg);
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head-toggle:hover {
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.4);
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__masthead {
  padding: 10px 14px 8px;
  gap: 8px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__brand {
  padding-right: 30px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__title {
  font-size: 0.95rem;
  line-height: 1.3;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head.is-collapsed .pdf-guideline-studio__title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head.is-collapsed .pdf-guideline-studio__eyebrow,
.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head.is-collapsed .pdf-guideline-studio__summary,
.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head.is-collapsed .pdf-guideline-studio__title-pill,
.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-head.is-collapsed .pdf-guideline-studio__status-strip {
  display: none;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__summary {
  font-size: 0.8rem;
  line-height: 1.5;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__status-strip {
  padding: 0 14px 10px;
  gap: 5px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__badge {
  min-height: 24px;
  padding: 0 8px;
  font-size: 0.7rem;
}

/* 按鈕列：管理模式／儲存變更保留文字；其餘改成圖示方塊 */
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions {
  gap: 5px;
  align-items: center;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button--ghost,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions .pdf-guideline-studio__button--tonal {
  min-height: 30px;
  padding: 0 9px;
  font-size: 0.78rem;
  border-radius: 8px;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #backToArticleButton span,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #openPdfButton span,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #cloudConfigButton span,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #checkApiButton span,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #adminLogoutButton span {
  display: none;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #backToArticleButton,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #openPdfButton,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #cloudConfigButton,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #checkApiButton,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #adminLogoutButton {
  width: 30px;
  min-width: 30px;
  padding: 0;
  justify-content: center;
}

.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #cloudConfigButton svg,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #checkApiButton svg,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #adminLogoutButton svg,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #backToArticleButton svg,
.pdf-guideline-studio.is-full .pdf-guideline-studio__topbar-actions #openPdfButton svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* hover 說明（往上冒，不會被面板邊界裁掉） */
.pdf-guideline-studio.is-full [data-tip] {
  position: relative;
}

.pdf-guideline-studio.is-full [data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  padding: 4px 8px;
  border-radius: 6px;
  background: #24303b;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  z-index: 40;
  box-shadow: 0 6px 16px rgba(36, 48, 59, 0.18);
}

/* 完整模式：Highlights 清單頂端那張文件摘要卡（標籤／描述／回文章／Open PDF）
   跟右欄文件資訊重複，拿掉讓 highlight 多顯示一些；embed 模式保留 */
.pdf-guideline-studio.is-full .pdf-guideline-studio__doc-meta {
  display: none;
}

/* ==========================================================================
   Highlight 卡精簡版：預設只露摘句；筆／箭頭才展開。左側 highlight 動效。
   ========================================================================== */
.pdf-guideline-studio__highlight-list {
  gap: 10px;
  margin-top: 10px;
}

.pdf-guideline-studio__highlight-card {
  gap: 8px;
  padding: 10px 12px 11px 14px;
  border-radius: 12px;
  transition: transform 140ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.pdf-guideline-studio__highlight-card-accent {
  top: 10px;
  bottom: 10px;
  width: 3px;
}

.pdf-guideline-studio__highlight-card.is-selected {
  border-color: color-mix(in srgb, var(--hl-color, #f6dd54) 55%, var(--pg-border));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--hl-color, #f6dd54) 30%, transparent),
    0 10px 22px rgba(23, 144, 191, 0.1);
}

.pdf-guideline-studio__highlight-card.is-new {
  animation: pgHighlightCardIn 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes pgHighlightCardIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.pdf-guideline-studio__highlight-card-top {
  align-items: center;
  gap: 8px;
  min-height: 24px;
}

.pdf-guideline-studio__highlight-card-kicker {
  flex: none;
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(36, 48, 59, 0.06);
  color: var(--pg-muted);
  text-transform: none;
}

.pdf-guideline-studio__highlight-card-heading {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.86rem;
  line-height: 1.35;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pdf-guideline-studio__highlight-card-heading[hidden] {
  display: none;
}

.pdf-guideline-studio__highlight-card-tools {
  gap: 4px;
}

.pdf-guideline-studio__highlight-card .pdf-guideline-studio__mini-button {
  min-height: 24px;
  padding: 0 8px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--pg-muted);
  transition: color 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

.pdf-guideline-studio__highlight-card .pdf-guideline-studio__mini-button:hover {
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.3);
}

.pdf-guideline-studio__mini-button--toggle,
.pdf-guideline-studio__mini-button--preview {
  width: 24px;
  padding: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pdf-guideline-studio__mini-button--toggle svg,
.pdf-guideline-studio__mini-button--preview svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms ease;
}

.pdf-guideline-studio__mini-button--toggle.is-open {
  color: var(--pg-accent-strong);
  border-color: rgba(23, 144, 191, 0.3);
  background: rgba(23, 144, 191, 0.08);
}

.pdf-guideline-studio__highlight-card:not(.is-editing) .pdf-guideline-studio__mini-button--toggle.is-open svg {
  transform: rotate(180deg);
}

.pdf-guideline-studio__highlight-quote {
  font-size: 0.86rem;
  line-height: 1.55;
  padding-left: 10px;
  border-left: 2px solid color-mix(in srgb, var(--hl-color, #f6dd54) 70%, transparent);
  color: #3f4d5a;
}

.pdf-guideline-studio__highlight-quote.is-clamped {
  -webkit-line-clamp: 3;
}

.pdf-guideline-studio__highlight-note {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--pg-ink);
}

.pdf-guideline-studio__highlight-note.is-clamped {
  -webkit-line-clamp: 2;
}

.pdf-guideline-studio__highlight-tags {
  gap: 5px;
  margin-bottom: 0;
}

.pdf-guideline-studio__highlight-tag {
  min-height: 20px;
  padding: 0 7px;
  font-size: 0.68rem;
}

.pdf-guideline-studio__highlight-image.is-compact img {
  max-height: 120px;
  object-fit: cover;
  object-position: top;
}

/* 展開後的編輯表單：小一號、textarea 自動長高 */
.pdf-guideline-studio__doc-form--highlight {
  gap: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--pg-border);
}

.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__field {
  gap: 4px;
}

.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__field-label {
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__field input,
.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__field textarea {
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 0.84rem;
  line-height: 1.5;
}

.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__field textarea {
  min-height: 52px;
  resize: none;
  overflow: hidden;
}

.pdf-guideline-studio__doc-form--highlight .pdf-guideline-studio__highlight-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

/* 左側 PDF 上的 highlight：柔一點的過場與新建脈衝 */
.pdf-guideline-studio__page-highlight-segment {
  transition: background-color 160ms ease, box-shadow 220ms ease;
}

.pdf-guideline-studio__page-highlight:hover .pdf-guideline-studio__page-highlight-segment {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--highlight-color, #f6dd54) 55%, transparent);
}

.pdf-guideline-studio__page-highlight.is-selected .pdf-guideline-studio__page-highlight-segment {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--highlight-color, #f6dd54) 80%, transparent);
}

.pdf-guideline-studio__page-highlight.is-new .pdf-guideline-studio__page-highlight-segment {
  animation: pgHighlightPulse 900ms ease-out;
}

@keyframes pgHighlightPulse {
  0% { box-shadow: 0 0 0 0 rgba(23, 144, 191, 0.55); }
  100% { box-shadow: 0 0 0 10px rgba(23, 144, 191, 0); }
}

.pdf-guideline-studio__page-text-layer.is-selection-enabled {
  cursor: text;
}

.pdf-guideline-studio__page-text-layer.is-selection-enabled span::selection {
  background: color-mix(in srgb, #f6dd54 55%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .pdf-guideline-studio__highlight-card.is-new,
  .pdf-guideline-studio__page-highlight.is-new .pdf-guideline-studio__page-highlight-segment {
    animation: none;
  }
}

.pdf-guideline-studio__highlight-card-heading {
  flex: 1 1 0%;
}

.pdf-guideline-studio__highlight-card-tools {
  flex: 0 0 auto;
}

/* 卡片是 grid：欄寬要 minmax(0,1fr)，長標題才會在列內縮而不是撐爆卡片 */
.pdf-guideline-studio__highlight-card {
  grid-template-columns: minmax(0, 1fr);
}

.pdf-guideline-studio__highlight-card > * {
  min-width: 0;
  max-width: 100%;
}

/* 卡片上的刪除鍵、復原訊息、自動儲存提示 */
.pdf-guideline-studio__mini-button--trash {
  width: 24px;
  padding: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pdf-guideline-studio__mini-button--trash svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pdf-guideline-studio__highlight-card .pdf-guideline-studio__mini-button--trash:hover {
  color: #b23b2e;
  border-color: rgba(178, 59, 46, 0.4);
  background: rgba(178, 59, 46, 0.06);
}

.pdf-guideline-studio__message {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pdf-guideline-studio__message[hidden] {
  display: none;
}

.pdf-guideline-studio__message-action {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(23, 144, 191, 0.3);
  background: #ffffff;
  color: var(--pg-accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.pdf-guideline-studio__message-action svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pdf-guideline-studio__button.is-flash {
  background: linear-gradient(135deg, #19a86b 0%, #128a57 100%);
  box-shadow: none;
}