.aipdf-host {
  display: flex;
  width: 100%;
}

.aipdf-widget {
  --aipdf-viewer-bg: #f6f7fb;
  --aipdf-toolbar-bg: #ffffff;
  --aipdf-toolbar-text: #1f2937;
  --aipdf-button-bg: #111827;
  --aipdf-button-text: #ffffff;
  --aipdf-accent: #2563eb;
  --aipdf-page-bg: #ffffff;
  --aipdf-page-border: #dbe1ea;
  --aipdf-panel-bg: #ffffff;
  --aipdf-panel-border: #d6dde8;
  --aipdf-input-bg: #ffffff;
  --aipdf-button-radius: 12px;
  --aipdf-toolbar-gap: 10px;
  --aipdf-page-gap: 14px;
  --aipdf-thumbs-width: 140px;
  --aipdf-search-width: 300px;
  width: 100%;
  min-width: 0;
}

.aipdf-widget * {
  box-sizing: border-box;
}

.aipdf-shell {
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  background: var(--aipdf-viewer-bg);
  overflow: hidden;
}

.aipdf-toolbar {
  position: relative;
  z-index: 10;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--aipdf-toolbar-gap);
  flex-wrap: wrap;
  padding: 14px;
  background: var(--aipdf-toolbar-bg);
  color: var(--aipdf-toolbar-text);
  border-bottom: 1px solid rgba(0, 0, 0, .08);
}

.aipdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--aipdf-toolbar-gap);
  flex-wrap: wrap;
  min-width: 0;
}

.aipdf-title,
.aipdf-status,
.aipdf-panel-title,
.aipdf-search-meta {
  color: var(--aipdf-toolbar-text);
}

.aipdf-title {
  font-weight: 600;
}

.aipdf-status {
  white-space: nowrap;
}

.aipdf-btn,
.aipdf-download-link {
  appearance: none;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--aipdf-button-radius);
  background: var(--aipdf-button-bg);
  color: var(--aipdf-button-text);
  padding: 10px 14px;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, opacity .18s ease, box-shadow .18s ease, outline-color .18s ease;
  box-shadow: 0 6px 16px rgba(17,24,39,.14);
}

.aipdf-btn:hover,
.aipdf-download-link:hover {
  transform: translateY(-1px);
}

.aipdf-btn[disabled] {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

.aipdf-btn.is-active,
.aipdf-mode-btn.is-active,
.aipdf-btn-thumbs.is-active {
  outline: 2px solid var(--aipdf-accent);
  outline-offset: 2px;
}

.aipdf-btn-ghost {
  background: transparent;
  color: var(--aipdf-toolbar-text);
  box-shadow: none;
  border: 1px solid rgba(0,0,0,.12);
}

.aipdf-zoom-controls,
.aipdf-mode-switch,
.aipdf-search-form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.aipdf-search-form {
  max-width: 100%;
}

.aipdf-search-input {
  width: min(240px, 42vw);
  min-width: 140px;
  border: 1px solid rgba(17, 24, 39, .12);
  background: var(--aipdf-input-bg);
  color: var(--aipdf-toolbar-text);
  border-radius: var(--aipdf-button-radius);
  padding: 10px 12px;
  box-shadow: inset 0 1px 2px rgba(17,24,39,.04);
}

.aipdf-body {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: stretch;
  gap: 14px;
}

.aipdf-main {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  display: flex;
}

.aipdf-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at top, rgba(255,255,255,.45), transparent 28%), var(--aipdf-viewer-bg);
}

.aipdf-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  text-align: center;
  z-index: 6;
}

.aipdf-message > span,
.aipdf-message > div {
  max-width: 760px;
  background: rgba(255,255,255,.92);
  color: #111827;
  border: 1px solid rgba(17,24,39,.08);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 12px 30px rgba(17,24,39,.08);
}

.aipdf-flip-view,
.aipdf-scroll-view {
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
}

.aipdf-flip-view {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.aipdf-flip-view[hidden],
.aipdf-scroll-view[hidden],
.aipdf-thumbs[hidden],
.aipdf-search-panel[hidden] {
  display: none !important;
}

.aipdf-flipbook {
  width: 100%;
  height: 100%;
}

.aipdf-scroll-view {
  overflow: auto;
  padding: 18px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.aipdf-scroll-page {
  width: fit-content;
  min-width: min(100%, 260px);
  margin: 0 auto var(--aipdf-page-gap);
  background: var(--aipdf-page-bg);
  border: 1px solid var(--aipdf-page-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(17,24,39,.08);
  transition: box-shadow .2s ease, transform .2s ease, outline-color .2s ease;
}

.aipdf-scroll-page:last-child {
  margin-bottom: 0;
}

.aipdf-scroll-page.is-highlighted {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--aipdf-accent) 35%, transparent), 0 16px 34px rgba(17,24,39,.12);
}

.aipdf-scroll-page-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--aipdf-page-bg);
}

.aipdf-scroll-image,
.aipdf-page img,
.aipdf-thumb img {
  display: block;
  height: auto;
}

.aipdf-page {
  background: var(--aipdf-page-bg);
  border: 1px solid var(--aipdf-page-border);
}

.aipdf-page-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: linear-gradient(90deg, rgba(0,0,0,.02) 0%, transparent 7%, transparent 93%, rgba(0,0,0,.02) 100%), var(--aipdf-page-bg);
}

.aipdf-page-footer,
.aipdf-scroll-footer {
  padding: 10px 12px;
  text-align: center;
  color: #6b7280;
  font-size: 12px;
}

.aipdf-thumbs,
.aipdf-search-panel {
  position: relative;
  flex: 0 0 auto;
  min-height: 0;
  background: var(--aipdf-panel-bg);
  border: 1px solid var(--aipdf-panel-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 26px rgba(17,24,39,.08);
}

.aipdf-thumbs {
  width: var(--aipdf-thumbs-width);
}

.aipdf-search-panel {
  width: var(--aipdf-search-width);
}

.aipdf-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(17,24,39,.08);
  background: rgba(255,255,255,.5);
}

.aipdf-panel-title {
  font-weight: 600;
}

.aipdf-thumbs-list,
.aipdf-search-results {
  min-height: 0;
  max-height: 100%;
  overflow: auto;
  padding: 10px;
}

.aipdf-thumbs-list {
  display: grid;
  gap: 10px;
}

.aipdf-thumb {
  appearance: none;
  width: 100%;
  border: 1px solid var(--aipdf-panel-border);
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  cursor: pointer;
  text-align: center;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.aipdf-thumb:hover {
  transform: translateY(-1px);
}

.aipdf-thumb.is-active {
  border-color: var(--aipdf-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--aipdf-accent) 24%, transparent);
}

.aipdf-thumb-preview {
  display: block;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(17,24,39,.08);
  background: #f8fafc;
}

.aipdf-thumb-preview img {
  width: 100%;
}

.aipdf-thumb-label {
  display: block;
  margin-top: 8px;
  color: var(--aipdf-toolbar-text);
  font-size: 12px;
}

.aipdf-search-results {
  display: grid;
  gap: 10px;
}

.aipdf-search-result {
  appearance: none;
  width: 100%;
  border: 1px solid var(--aipdf-panel-border);
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  text-align: left;
  cursor: pointer;
  color: var(--aipdf-toolbar-text);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.aipdf-search-result:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--aipdf-accent) 55%, var(--aipdf-panel-border));
}

.aipdf-search-result-page {
  display: block;
  font-weight: 600;
  margin-bottom: 5px;
}

.aipdf-search-result-snippet {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: #4b5563;
}

.aipdf-widget--thumbs-right .aipdf-main {
  order: 1;
}

.aipdf-widget--thumbs-right .aipdf-search-panel {
  order: 2;
}

.aipdf-widget--thumbs-right .aipdf-thumbs {
  order: 3;
}

.aipdf-shell:fullscreen,
.aipdf-shell:-webkit-full-screen,
.aipdf-shell:-moz-full-screen,
.aipdf-shell:-ms-fullscreen,
.aipdf-shell--fullscreen-fallback {
  border-radius: 0 !important;
  height: 100vh !important;
  max-width: none !important;
  width: 100vw !important;
}

.aipdf-shell--fullscreen-fallback {
  position: fixed !important;
  inset: 0 !important;
  z-index: 999999 !important;
}

.aipdf-lock-scroll,
.aipdf-lock-scroll body {
  overflow: hidden !important;
}

.aipdf-is-fullscreen .aipdf-toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
}

@supports not (color: color-mix(in srgb, red 50%, transparent)) {
  .aipdf-scroll-page.is-highlighted {
    box-shadow: 0 0 0 3px rgba(37,99,235,.24), 0 16px 34px rgba(17,24,39,.12);
  }

  .aipdf-thumb.is-active {
    box-shadow: 0 0 0 2px rgba(37,99,235,.24);
  }

  .aipdf-search-result:hover {
    border-color: var(--aipdf-accent);
  }
}

@media (max-width: 1024px) {
  .aipdf-body {
    gap: 10px;
  }

  .aipdf-search-panel {
    width: min(var(--aipdf-search-width), 280px);
  }
}

@media (max-width: 767px) {
  .aipdf-toolbar {
    padding: 12px;
  }

  .aipdf-flip-view,
  .aipdf-scroll-view {
    padding: 12px;
  }

  .aipdf-btn,
  .aipdf-download-link {
    padding: 9px 12px;
  }

  .aipdf-search-input {
    width: min(180px, 60vw);
  }

  .aipdf-body {
    flex-direction: column;
  }

  .aipdf-thumbs,
  .aipdf-search-panel {
    width: 100%;
    max-height: 34vh;
  }

  .aipdf-thumbs-list {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }
}


.aipdf-message[hidden] {
  display: none !important;
}

.aipdf-stage {
  overflow: hidden;
}

.aipdf-hint[hidden] {
  display: none !important;
}

.aipdf-hint {
  position: absolute;
  top: 16px;
  left: 50%;
  z-index: 15;
  width: min(560px, calc(100% - 32px));
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -8px);
  transition: opacity .18s ease, transform .18s ease;
}

.aipdf-hint > span {
  display: block;
  width: 100%;
  margin: 0 auto;
  background: rgba(255,255,255,.96);
  color: #111827;
  border: 1px solid rgba(17,24,39,.08);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 12px 30px rgba(17,24,39,.08);
}

.aipdf-hint.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.aipdf-is-fullscreen .aipdf-hint,
.aipdf-shell--fullscreen-fallback .aipdf-hint {
  top: 20px;
  width: min(640px, calc(100% - 40px));
}