@font-face {
  font-family: "Caveat";
  src: url("./fonts/Caveat-Regular.ttf");
  font-weight: 400;
}

@font-face {
  font-family: "Caveat";
  src: url("./fonts/Caveat-Bold.ttf");
  font-weight: 700;
}

@font-face {
  font-family: "HCSZT";
  src: url("./fonts/寒蝉手拙体.ttf");
}

@font-face {
  font-family: "PingFang SC Local";
  src: url("./fonts/PingFang SC/pingfangsc-regular.otf");
  font-weight: 400;
}

@font-face {
  font-family: "PingFang SC Local";
  src: url("./fonts/PingFang SC/pingfangsc-medium.otf");
  font-weight: 500;
}

@font-face {
  font-family: "PingFang SC Local";
  src: url("./fonts/PingFang SC/pingfangsc-light.otf");
  font-weight: 300;
}

:root {
  --blue: #385adf;
  --green: #00fd61;
  --tool-green: #00d00e;
  --canvas: #ededf3;
  --text: #454e70;
  --muted: #5e678d;
  --glass: rgba(255, 255, 255, 0.7);
  --line: rgba(28, 59, 180, 0.2);
  --hover: rgba(28, 59, 180, 0.05);
  --grid: 16px;
  --dot-size: 3px;
  --cursor-default: url("./assets/cursors-normal/pointer.png") 3 9, default;
  --cursor-pointer: url("./assets/cursors-normal/link.png") 13 7, pointer;
  --cursor-text: url("./assets/cursors-normal/beam.png") 15 15, text;
  --cursor-move: url("./assets/cursors-normal/move.png") 15 15, move;
  --cursor-crosshair: url("./assets/cursors-normal/precision.png") 15 15, crosshair;
  --cursor-ew: url("./assets/cursors-normal/horz.png") 15 15, ew-resize;
  --cursor-ns: url("./assets/cursors-normal/vert.png") 15 15, ns-resize;
  --cursor-nwse: url("./assets/cursors-normal/dgn1.png") 15 15, nwse-resize;
  --cursor-nesw: url("./assets/cursors-normal/dgn2.png") 15 15, nesw-resize;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  font-family: "PingFang SC Local", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  cursor: var(--cursor-default);
}

.app,
.canvas-viewport,
.canvas-world,
.connection-layer,
.bottom-toolbar,
.canvas-scrollbar,
.canvas-scrollbar span {
  cursor: var(--cursor-default);
}

button {
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  cursor: var(--cursor-pointer);
}

img {
  display: block;
}

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--blue);
  perspective: 1200px;
  transition: opacity 520ms ease, visibility 520ms ease;
}

.loading-stack {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 936px;
  height: 264px;
  transform: translate(-50%, -50%) rotateX(var(--loading-tilt-x, 0deg)) rotateY(var(--loading-tilt-y, 0deg));
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  will-change: transform;
}

.loading-screen.done {
  opacity: 0;
  visibility: hidden;
}

.loading-title {
  position: absolute;
  left: 7px;
  top: 0;
  width: 936px;
  height: 204px;
  color: var(--green);
  white-space: nowrap;
}

.loading-title svg {
  display: block;
  width: 100%;
  height: 100%;
}

.write-word {
  display: none;
  overflow: hidden;
  width: 0;
  vertical-align: top;
  filter: drop-shadow(0 0 1px rgba(0, 253, 97, 0.35));
}

.write-word-en {
  margin-top: 18px;
  font-family: "Caveat", cursive;
  font-size: 57px;
  font-weight: 700;
  animation: writeEnglish 1150ms steps(15) 160ms forwards;
}

.write-word-cn {
  margin-left: 16px;
  transform: skewX(-8deg);
  font-family: "HCSZT", "PingFang SC Local", sans-serif;
  font-size: 81px;
  animation: writeChinese 900ms steps(2) 1200ms forwards;
}

.loading-copy {
  position: absolute;
  left: 50%;
  top: 174px;
  transform: translateX(-50%);
  min-height: 22px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 3.2px;
  opacity: 0;
  transition: opacity 500ms ease;
  white-space: nowrap;
}

.loading-copy.visible {
  opacity: 1;
}

.loading-copy.ready {
  overflow: hidden;
  color: transparent;
  background-image: repeating-linear-gradient(
    105deg,
    rgba(255, 255, 255, 0.66) 0,
    rgba(255, 255, 255, 0.66) 84px,
    rgba(255, 255, 255, 0.98) 112px,
    rgba(255, 255, 255, 0.72) 136px,
    rgba(255, 255, 255, 0.66) 240px
  );
  background-size: 240px 100%;
  background-position: 0 0;
  background-repeat: repeat;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 1.333s linear infinite;
}

.cursor {
  display: inline-block;
  color: currentColor;
  -webkit-text-fill-color: currentColor;
  animation: blink 720ms step-end infinite;
}

.typed-char {
  display: inline-block;
  opacity: 1;
  transform: none;
}

.app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: var(--canvas);
  opacity: 1;
  transition: opacity 360ms ease;
}

.app.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.canvas-viewport {
  position: absolute;
  inset: 56px 0 0 0;
  overflow: hidden;
  background-color: var(--canvas);
  background-image: radial-gradient(circle, rgba(28, 59, 180, 0.14) calc(var(--dot-size) / 2), transparent calc(var(--dot-size) / 2));
  background-size: var(--grid) var(--grid);
  background-position: 0 0;
  cursor: var(--cursor-default);
}

.canvas-viewport.panning {
  cursor: var(--cursor-move);
}

.canvas-world,
.connection-layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 2400px;
  height: 1600px;
  transform-origin: 0 0;
}

.connection-layer {
  z-index: 3;
  overflow: visible;
  pointer-events: none;
}

.canvas-world {
  z-index: 2;
  --inverse-scale: 1;
}

.topbar,
.page-panel,
.minimap-panel,
.tool-group {
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.topbar {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 8;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  font-family: "Caveat", cursive;
  font-size: 28px;
  font-weight: 700;
  color: var(--blue);
}

.mode-status-button {
  display: inline-flex;
  height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef0f8;
  color: var(--muted);
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.mode-status-button:hover {
  background: #e4e8f5;
}

.mode-status-button.admin {
  background: rgba(56, 90, 223, 0.12);
  color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(56, 90, 223, 0.18);
}

.top-tabs {
  position: absolute;
  left: 50%;
  top: 17px;
  display: flex;
  gap: 32px;
  transform: translateX(-50%);
}

.top-tab {
  font-size: 16px;
  line-height: 22px;
  white-space: nowrap;
}

.top-tab.active {
  font-weight: 500;
  color: var(--blue);
}

.top-tab:not(.active):hover {
  color: var(--blue);
}

.top-tab.disabled {
  color: var(--muted);
  cursor: var(--cursor-default);
}

.top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.top-actions .admin-only {
  display: none;
}

body.admin-mode .top-actions .like-button,
body.admin-mode .top-actions .like-button + .chip-button {
  display: none;
}

body.admin-mode .top-actions .admin-only {
  display: flex;
}

.chip-button {
  position: relative;
  display: flex;
  height: 28px;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border-radius: 4px;
  background: #eef0f8;
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
  isolation: isolate;
  transform-origin: left center;
}

.chip-button::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: #e4e8f5;
  opacity: 0;
  transform: scaleX(0.72);
  transform-origin: left center;
  pointer-events: none;
}

.like-button.like-stretching::before {
  animation: likeFillStretch 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.chip-button > * {
  position: relative;
  z-index: 1;
}

.chip-button:hover,
.chip-button:active {
  background: #e4e8f5;
}

.chip-button img {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  object-fit: contain;
}

.save-canvas-button.saving {
  color: var(--blue);
}

.save-canvas-button.saved {
  background: rgba(0, 208, 14, 0.14);
  color: #088d18;
}

.save-canvas-button.error {
  background: rgba(204, 7, 63, 0.1);
  color: #cc073f;
}

.like-icon-frame {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  place-items: center;
  transform-origin: center;
}

.like-icon-frame img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.like-button .like-count {
  display: none;
  min-width: 0;
  height: 18px;
  align-items: center;
  overflow: hidden;
  font-variant-numeric: tabular-nums;
  line-height: 18px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.like-button.active {
  background: #eef0f8;
  color: var(--muted);
}

.like-button.active .like-count {
  display: inline-flex;
}

.like-count.rolling {
  gap: 0;
}

.count-digit {
  display: inline-block;
  width: 8px;
  height: 18px;
  overflow: hidden;
  text-align: center;
  flex: 0 0 8px;
  vertical-align: top;
}

.count-digit.new-digit {
  width: 0;
  flex-basis: 0;
  opacity: 0;
  transform: translateY(8px);
  transition:
    width 160ms cubic-bezier(0.16, 1, 0.3, 1),
    flex-basis 160ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 140ms ease,
    transform 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.count-digit.new-digit.visible {
  width: 8px;
  flex-basis: 8px;
  opacity: 1;
  transform: translateY(0);
}

.count-digit-track {
  display: flex;
  flex-direction: column;
  transform: translate3d(0, 0, 0);
  transition: transform 240ms ease-in-out;
  will-change: transform;
}

.count-digit-track span {
  display: block;
  height: 18px;
  line-height: 18px;
  flex: 0 0 18px;
}

@keyframes likeFillStretch {
  0% {
    opacity: 0;
    transform: scaleX(0.62);
  }
  45% {
    opacity: 1;
    transform: scaleX(1.08);
  }
  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

.top-loading-bar {
  position: absolute;
  left: 0;
  bottom: -4px;
  display: none;
  width: 100%;
  height: 4px;
  background: #e0e4f2;
}

.top-loading-bar.visible {
  display: block;
}

.top-loading-bar span {
  display: block;
  width: 100%;
  height: 4px;
  background: #00e271;
  animation: loadingBar 900ms ease forwards;
}

.page-panel {
  position: absolute;
  left: 0;
  top: 56px;
  bottom: 184px;
  z-index: 7;
  display: flex;
  min-height: 0;
  flex-direction: column;
  width: 220px;
  height: auto;
  padding: 16px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: visible;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 25px;
  padding: 0 8px;
  font-family: "Caveat", cursive;
  color: var(--blue);
  font-size: 20px;
  font-weight: 700;
}

.icon-only {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 4px;
}

.icon-only:hover {
  background: #eef0f8;
}

.icon-only img {
  width: 20px;
  height: 20px;
}

.page-list {
  display: flex;
  width: 203px;
  min-height: 0;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  margin-left: -7px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 2px 0 7px;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: rgba(28, 59, 180, 0.35) transparent;
}

.page-list::-webkit-scrollbar {
  width: 4px;
}

.page-list::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background: rgba(28, 59, 180, 0.35);
}

.page-list::-webkit-scrollbar-track {
  background: transparent;
}

.page-item {
  position: relative;
  display: flex;
  width: 196px;
  height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px;
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  cursor: var(--cursor-pointer);
}

.page-item:hover {
  background: rgba(56, 90, 223, 0.05);
}

.page-item.page-selected {
  box-shadow: inset 0 0 0 2px rgba(56, 90, 223, 0.32);
}

.page-item.dragging-page {
  opacity: 0.58;
}

.page-item.drop-target::before,
.page-item.drop-target::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  z-index: 2;
  display: none;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
}

.page-item.drop-before::before {
  top: -5px;
  display: block;
}

.page-item.drop-after::after {
  bottom: -5px;
  display: block;
}

.page-item.group.drop-target {
  background: rgba(56, 90, 223, 0.1);
  box-shadow: inset 0 0 0 1px rgba(56, 90, 223, 0.26);
}

.page-item.active {
  background: var(--blue);
  color: #fff;
}

.page-main {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  align-items: center;
  gap: 6px;
}

.page-main img {
  width: 16px;
  height: 16px;
}

.page-item.active .page-main img {
  filter: brightness(0) invert(1);
}

.page-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-title[contenteditable="true"] {
  outline: 1px dashed rgba(255, 255, 255, 0.8);
  border-radius: 3px;
  padding: 0 2px;
  background: rgba(255, 255, 255, 0.16);
}

.page-item.child {
  padding-left: 30px;
}

.page-delete {
  display: flex;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  margin-left: auto;
  opacity: 0;
  pointer-events: none;
}

.page-delete img {
  width: 13.333px;
  height: 13.333px;
}

.page-item:hover .page-delete {
  opacity: 1;
  pointer-events: auto;
}

.page-item.active .page-delete {
  background: #5373ee;
}

.page-item.active:not(:hover) .page-delete img {
  opacity: 0;
}

.tree-toggle {
  position: absolute;
  left: -7px;
  top: 13px;
  z-index: 12;
  display: none;
  width: 14px;
  height: 14px;
  align-items: center;
  justify-content: center;
  border: 1px solid #ced4ed;
  border-radius: 4px;
  background: #eef0f8;
}

.page-item.group:hover .tree-toggle,
.page-item.group:focus-within .tree-toggle {
  display: flex;
}

.tree-toggle img {
  width: 6px;
  height: 3px;
  transition: transform 180ms ease;
}

.tree-toggle.collapsed img {
  transform: rotate(-90deg);
}

.page-group-action {
  position: fixed;
  z-index: 40;
  display: none;
  height: 32px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--blue);
  box-shadow: 0 8px 20px rgba(56, 90, 223, 0.24);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  pointer-events: auto;
}

.page-group-action.visible {
  display: inline-flex;
}

.minimap-panel {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 7;
  width: 220px;
  height: 184px;
  padding: 16px 12px;
  border-right: 1px solid var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.minimap-title {
  justify-content: space-between;
  padding: 0 4px;
}

.minimap-title span:last-child {
  font-family: "PingFang SC Local", "PingFang SC", sans-serif;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

.minimap {
  position: relative;
  width: 196px;
  height: 111px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(28, 59, 180, 0.1);
}

.minimap-block {
  position: absolute;
  border-radius: 2px;
  background: rgba(0, 208, 14, 0.35);
}

.minimap-viewport {
  position: absolute;
  border: 1px dashed rgba(56, 90, 223, 0.75);
  background: rgba(255, 255, 255, 0.24);
}

.minimap-viewport.fit-perfect {
  border-color: transparent;
  background: transparent;
}

.bottom-toolbar {
  position: absolute;
  left: 220px;
  right: 0;
  bottom: 0;
  z-index: 9;
  height: 64px;
  pointer-events: none;
}

.tool-row {
  display: flex;
  height: 56px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  pointer-events: none;
}

.tool-group {
  position: relative;
  display: flex;
  height: 40px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 6px 12px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(120, 136, 191, 0.25);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  pointer-events: auto;
}

.mode-switch {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  width: 40px;
  height: 24px;
  align-items: center;
  gap: 4px;
}

.tool-button,
.tool-caret {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 4px;
}

.tool-button:hover,
.tool-caret:hover {
  background: #eef0f8;
}

.tool-button.active {
  background: var(--tool-green);
}

.tool-button img,
.tool-caret img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.tool-button.active:not([data-tool="select"]) img {
  filter: brightness(0) invert(1);
}

.tool-caret {
  width: 12px;
}

.tool-caret img {
  width: 12px;
  height: 24px;
}

.toolbar-divider {
  width: 2px;
  height: 18px;
  pointer-events: none;
}

.floating-menu {
  position: absolute;
  bottom: 48px;
  left: 58px;
  display: none;
  min-width: 128px;
  overflow: hidden;
  border: 1px solid rgba(28, 59, 180, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 28px rgba(69, 78, 112, 0.16);
}

.floating-menu.open {
  display: block;
}

.floating-menu.compact {
  left: 12px;
}

.floating-menu button {
  display: block;
  width: 100%;
  padding: 10px 12px;
  color: var(--text);
  text-align: left;
  font-size: 13px;
}

.floating-menu button:hover {
  background: #eef0f8;
}

.canvas-scrollbar {
  position: absolute;
  z-index: 5;
  display: none;
  pointer-events: auto;
  cursor: var(--cursor-default);
  touch-action: none;
}

.canvas-scrollbar.visible {
  display: block;
}

.canvas-scrollbar span {
  display: block;
  border-radius: 47px;
  background: rgba(28, 59, 180, 0.5);
  cursor: var(--cursor-move);
}

.canvas-scrollbar.horizontal {
  left: 0;
  right: 8px;
  bottom: 0;
  height: 8px;
  padding: 2px 8px 2px 2px;
}

.canvas-scrollbar.horizontal span {
  width: 350px;
  height: 4px;
}

.canvas-scrollbar.vertical {
  top: 60px;
  right: 0;
  width: 8px;
  height: calc(100% - 68px);
  padding: 2px 2px 8px;
}

.canvas-scrollbar.vertical span {
  width: 4px;
  height: 156px;
}

.block {
  position: absolute;
  border-radius: 12px;
  user-select: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.block,
.block * {
  -webkit-user-drag: none;
}

.block.selected {
  border: 1px solid var(--blue);
  outline: 0;
}

.image-card {
  border: 4px solid #fff;
  box-shadow: 0 8px 16px rgba(120, 136, 191, 0.25);
}

.card-surface {
  position: absolute;
  inset: 0;
  overflow: visible;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hide-card-background {
  border-color: transparent !important;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.hide-card-background .card-surface {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.hide-card-background.selected {
  border-color: var(--blue) !important;
}

.image-card .card-surface {
  overflow: visible;
  background: transparent;
}

.image-card .block-content {
  position: absolute;
  inset: 0;
  display: block;
  padding: 0;
}

.image-card .block-element {
  position: absolute;
  inset: 0;
  padding: 0;
  border: 0;
}

.media-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  background: transparent;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.placeholder-card {
  border: 4px dashed #cfd8f6;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 16px rgba(120, 136, 191, 0.16);
}

.group-card {
  border: 1px solid rgba(28, 59, 180, 0.14);
  box-shadow: 0 8px 16px rgba(120, 136, 191, 0.1);
}

.group-card .card-surface {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.note-card,
.text-card,
.link-card,
.image-placeholder-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 18px;
  border: 1px solid rgba(28, 59, 180, 0.14);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 18px rgba(120, 136, 191, 0.16);
  color: var(--text);
}

.note-card {
  background: rgba(255, 248, 188, 0.82);
}

.link-card {
  background: var(--blue);
  color: #fff;
}

.link-card .card-surface {
  background: var(--blue);
}

.link-card .block-title,
.link-card .block-copy {
  color: #fff;
}

.image-placeholder-card {
  gap: 8px;
  padding: 0;
}

.block-content {
  position: relative;
  z-index: 2;
  display: flex;
  height: 100%;
  gap: 8px;
  padding: 16px;
  overflow: hidden;
}

.image-placeholder-card .block-content {
  gap: 8px;
  padding: 16px;
  justify-content: flex-start;
}

.block-content.vertical {
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
}

.block-content.horizontal {
  flex-direction: row;
  align-items: center;
}

.image-placeholder-card .block-content {
  justify-content: flex-start;
}

.auto-size .block-content {
  height: auto;
  min-height: 100%;
  gap: 8px;
  padding: 16px;
  justify-content: flex-start;
}

.auto-size .block-element {
  flex-shrink: 0;
  max-height: none;
}

.auto-size .image-element {
  width: 256px;
  height: 176px;
  flex: 0 0 auto;
}

.auto-size .media-frame img {
  object-fit: contain;
}

.custom-size .image-element {
  width: 100%;
  flex: 1 1 auto;
}

.custom-size .block-content {
  justify-content: flex-start;
}

.custom-size .block-element:not(.image-element) {
  flex-shrink: 0;
  max-height: none;
  width: 100% !important;
  height: auto !important;
  align-items: flex-start;
}

.custom-size .block-element:not(.image-element) .editable-text {
  width: 100%;
}

.custom-size .block-content.horizontal .block-element:not(.image-element) {
  width: auto !important;
  max-width: calc(100% - 32px);
}

.custom-size .media-frame img {
  object-fit: cover;
}

.custom-size .media-frame,
.custom-size .image-placeholder {
  height: 100%;
}

.block-element {
  position: relative;
  display: flex;
  min-height: 28px;
  min-width: 0;
  max-width: 100%;
  max-height: 100%;
  flex: 0 1 auto;
  align-items: center;
  border: 1px dashed transparent;
  border-radius: 6px;
  padding: 3px;
  cursor: var(--cursor-move);
  touch-action: none;
  transition: border-color 140ms ease, box-shadow 180ms ease, opacity 160ms ease, transform 180ms ease;
}

.block-element.reorder-dragging {
  z-index: 7;
  cursor: var(--cursor-move);
  opacity: 0.78;
  border-color: rgba(56, 90, 223, 0.7);
  box-shadow: 0 8px 18px rgba(69, 78, 112, 0.12);
}

.block-element:hover,
.block-element:focus-within {
  border-color: rgba(56, 90, 223, 0.45);
}

.editable-text:focus {
  outline: 1px dashed var(--blue);
  background: rgba(255, 255, 255, 0.4);
}

.element-delete,
.image-tools,
.card-actions,
.multi-actions {
  transition: opacity 140ms ease, transform 140ms ease;
}

.element-delete {
  position: absolute;
  right: -8px;
  top: -8px;
  z-index: 6;
  display: none;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: #ff3b30;
  transform: scale(var(--inverse-scale));
  transform-origin: 50% 50%;
}

.element-delete::before,
.element-delete::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 2px;
  border-radius: 1px;
  background: #fff;
}

.element-delete::before {
  transform: rotate(45deg);
}

.element-delete::after {
  transform: rotate(-45deg);
}

.block-element:hover .element-delete,
.block-element:focus-within .element-delete,
.element-delete:hover {
  display: flex;
}

.image-tools {
  position: absolute;
  left: 8px;
  top: 8px;
  z-index: 5;
  display: none;
  gap: 6px;
  transform: scale(var(--inverse-scale));
  transform-origin: left top;
}

.media-frame:hover .image-tools,
.image-element:hover .image-tools {
  display: flex;
}

.image-tools button,
.card-menu button,
.multi-actions button {
  border-radius: 4px;
  background: rgba(238, 240, 248, 0.96);
  color: var(--text);
  font-size: 12px;
  line-height: 20px;
  padding: 0 7px;
}

.card-action-button {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  border-radius: 4px;
}

.card-action-button.delete {
  background: #cc073f;
}

.card-action-button.fit,
.card-action-button.more,
.card-action-button.hide-bg {
  background: var(--blue);
}

.card-action-button img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.card-actions > button[data-card-action="delete-card"],
.card-menu button[data-card-action="delete-card"],
.multi-actions button[data-multi-action="delete"] {
  color: #cc073f;
}

.image-placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  border: 1px dashed rgba(56, 90, 223, 0.32);
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

.block:not(.image-card) .image-element {
  width: 100%;
}

.block:not(.image-card) .media-frame {
  position: relative;
  inset: auto;
  width: 100%;
  border-radius: 8px;
}

.card-actions {
  position: absolute;
  left: calc(100% + 8px);
  top: 0;
  z-index: 10;
  display: none;
  width: 24px;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  pointer-events: auto;
  transform: scale(var(--inverse-scale));
  transform-origin: left top;
}

.block:hover > .card-actions,
.block.selected > .card-actions,
.block.multi-selected > .card-actions,
.card-actions:hover {
  display: flex;
}

.card-menu {
  position: absolute;
  left: 32px;
  top: 64px;
  display: none;
  width: 104px;
  overflow: hidden;
  border: 1px solid rgba(28, 59, 180, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 28px rgba(69, 78, 112, 0.16);
}

.card-actions:not(.has-fit) .card-menu {
  top: 32px;
}

.card-menu.open {
  display: block;
}

.card-menu button {
  width: 100%;
  border-radius: 0;
  text-align: left;
  line-height: 28px;
}

.block-title {
  display: block;
  width: 100%;
  min-width: 0;
  color: var(--blue);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
}

.editable-text {
  min-width: 1em;
  cursor: var(--cursor-text);
}

.embedded-card {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(28, 59, 180, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
}

.embedded-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.block-copy {
  display: block;
  width: 100%;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.link-element {
  align-items: stretch;
  gap: 8px;
  padding-right: 72px;
}

.link-element.has-link .block-copy {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link-tools {
  position: absolute;
  right: 0;
  top: 50%;
  z-index: 5;
  display: none;
  gap: 4px;
  transform: translateY(-50%);
}

.link-element:hover .link-tools,
.link-element:focus-within .link-tools {
  display: flex;
}

.link-tools button {
  height: 24px;
  padding: 0 8px;
  border-radius: 4px;
  background: rgba(238, 240, 248, 0.96);
  color: var(--text);
  font-size: 12px;
  white-space: nowrap;
}

.link-tools button:hover {
  background: #dfe4fb;
}

.link-tools .admin-only {
  display: none;
}

body.admin-mode .link-tools .admin-only {
  display: inline-flex;
  align-items: center;
}

.link-jump-button {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  z-index: 8;
  height: 36px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(120, 136, 191, 0.18);
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
  pointer-events: auto;
}

.link-jump-button:hover {
  background: #eef0f8;
}

.resize-handle {
  position: absolute;
  display: none;
  width: 12px;
  height: 12px;
  border: 0;
  background: transparent;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transform-origin: 50% 50%;
  z-index: 9;
}

.block.selected > .resize-handle {
  display: block;
}

.resize-handle.nw,
.resize-handle.ne,
.resize-handle.se,
.resize-handle.sw {
  background-color: transparent;
}

.resize-handle.nw {
  left: -2px;
  top: -2px;
  cursor: var(--cursor-nwse);
  background-image: url("./assets/figma/resize-corner-nw.svg");
  transform: rotate(270deg);
}

.resize-handle.ne {
  right: -2px;
  top: -2px;
  cursor: var(--cursor-nesw);
  background-image: url("./assets/figma/resize-corner-ne.svg");
}

.resize-handle.se {
  right: -2px;
  bottom: -2px;
  cursor: var(--cursor-nwse);
  background-image: url("./assets/figma/resize-corner-se.svg");
  transform: rotate(90deg);
}

.resize-handle.sw {
  left: -2px;
  bottom: -2px;
  cursor: var(--cursor-nesw);
  background-image: url("./assets/figma/resize-corner-sw.svg");
  transform: rotate(180deg);
}

.resize-handle.n { left: 50%; top: -8px; transform: translateX(-50%) scale(var(--inverse-scale)); cursor: var(--cursor-ns); }
.resize-handle.e { right: -8px; top: 50%; transform: translateY(-50%) scale(var(--inverse-scale)); cursor: var(--cursor-ew); }
.resize-handle.s { left: 50%; bottom: -8px; transform: translateX(-50%) scale(var(--inverse-scale)); cursor: var(--cursor-ns); }
.resize-handle.w { left: -8px; top: 50%; transform: translateY(-50%) scale(var(--inverse-scale)); cursor: var(--cursor-ew); }

.resize-handle.n,
.resize-handle.e,
.resize-handle.s,
.resize-handle.w {
  opacity: 0;
}

.connection-point {
  position: absolute;
  display: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: transparent;
  border: 0;
  cursor: var(--cursor-crosshair);
  z-index: 8;
  transform: scale(var(--inverse-scale));
  transform-origin: 50% 50%;
}

.connection-point::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--tool-green);
  box-shadow: 0 0 0 1px rgba(0, 208, 14, 0.2);
  transform: translate(-50%, -50%);
}

.connection-point.active,
.connection-point.dragging {
  transform: scale(calc(var(--inverse-scale) * 1.18));
}

.connection-point.active::after,
.connection-point.dragging::after {
  box-shadow: 0 0 0 5px rgba(0, 208, 14, 0.22);
}

.block:hover > .connection-point,
.block.selected > .connection-point,
.connect-mode .connection-point {
  display: block;
}

.connection-point.top { left: 50%; top: -12px; transform: translateX(-50%) scale(var(--inverse-scale)); }
.connection-point.right { right: -12px; top: 50%; transform: translateY(-50%) scale(var(--inverse-scale)); }
.connection-point.bottom { left: 50%; bottom: -12px; transform: translateX(-50%) scale(var(--inverse-scale)); }
.connection-point.left { left: -12px; top: 50%; transform: translateY(-50%) scale(var(--inverse-scale)); }

.connection-point.top.active,
.connection-point.top.dragging { transform: translateX(-50%) scale(calc(var(--inverse-scale) * 1.18)); }
.connection-point.right.active,
.connection-point.right.dragging { transform: translateY(-50%) scale(calc(var(--inverse-scale) * 1.18)); }
.connection-point.bottom.active,
.connection-point.bottom.dragging { transform: translateX(-50%) scale(calc(var(--inverse-scale) * 1.18)); }
.connection-point.left.active,
.connection-point.left.dragging { transform: translateY(-50%) scale(calc(var(--inverse-scale) * 1.18)); }

.connection-path {
  fill: none;
  stroke: var(--tool-green);
  stroke-width: var(--connection-stroke, 2px);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 4 4;
}

.connection-preview {
  stroke-dasharray: 4 4;
}

.selection-box {
  position: absolute;
  z-index: 6;
  display: none;
  border: 1px dashed var(--blue);
  background: rgba(56, 90, 223, 0.08);
  pointer-events: none;
}

.block.multi-selected {
  border: 1px solid var(--blue);
  outline: 0;
}

.group-card.child-selected:not(.selected) > .card-actions,
.group-card.child-selected:not(.selected) > .resize-handle,
.group-card.child-selected:not(.selected) > .connection-point {
  display: none !important;
}

.group-card:has(> .block:hover):not(.selected) > .card-actions,
.group-card:has(> .block:hover):not(.selected) > .resize-handle,
.group-card:has(> .block:hover):not(.selected) > .connection-point {
  display: none !important;
}

.multi-actions {
  position: absolute;
  z-index: 12;
  display: none;
  gap: 6px;
}

.multi-actions.visible {
  display: flex;
}

.confirm-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 26, 48, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.confirm-backdrop.open {
  display: flex;
}

.confirm-dialog {
  width: 336px;
  border: 1px solid rgba(28, 59, 180, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 48px rgba(69, 78, 112, 0.2);
  padding: 20px;
  text-align: center;
}

.confirm-dialog p {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.confirm-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.confirm-actions button {
  height: 32px;
  padding: 0 14px;
  border-radius: 6px;
  background: #eef0f8;
  color: var(--text);
  font-size: 14px;
}

.confirm-actions button:last-child {
  background: var(--blue);
  color: #fff;
}

.admin-auth-backdrop {
  position: fixed;
  inset: 0;
  z-index: 31;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 26, 48, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.admin-auth-backdrop.open {
  display: flex;
}

.admin-auth-dialog {
  width: 360px;
  border: 1px solid rgba(28, 59, 180, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 48px rgba(69, 78, 112, 0.22);
  padding: 22px;
}

.admin-auth-dialog h2 {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.admin-password-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.admin-password-box {
  display: flex;
  height: 38px;
  align-items: center;
  border: 1px solid rgba(94, 103, 141, 0.28);
  border-radius: 7px;
  background: #fff;
  overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.admin-password-box:focus-within {
  border-color: rgba(56, 90, 223, 0.64);
  box-shadow: 0 0 0 3px rgba(56, 90, 223, 0.1);
}

.admin-auth-dialog.error .admin-password-box {
  border-color: rgba(204, 7, 63, 0.72);
  box-shadow: 0 0 0 3px rgba(204, 7, 63, 0.08);
}

.admin-password-box input {
  min-width: 0;
  flex: 1;
  height: calc(100% - 2px);
  border: 0;
  border-radius: 6px;
  outline: 0;
  margin: 1px;
  padding: 0 10px;
  color: var(--text);
  font: inherit;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
}

.admin-password-box input::-ms-reveal,
.admin-password-box input::-ms-clear {
  display: none;
}

.admin-password-box input::-webkit-credentials-auto-fill-button,
.admin-password-box input::-webkit-password-toggle-button {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
}

.admin-password-box .password-visibility-button {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  margin-right: 3px;
  border-radius: 6px;
  color: var(--muted);
}

.admin-password-box .password-visibility-button:hover {
  background: #eef0f8;
  color: var(--blue);
}

.password-eye {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.password-visibility-button .eye-closed {
  display: none;
}

.password-visibility-button.visible .eye-open {
  display: none;
}

.password-visibility-button.visible .eye-closed {
  display: block;
}

.admin-auth-message {
  min-height: 20px;
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 20px;
  text-align: center;
}

.admin-auth-dialog.error .admin-auth-message {
  color: #cc073f;
}

.admin-auth-actions button:disabled {
  opacity: 0.58;
  cursor: var(--cursor-default);
}

.contact-backdrop {
  position: fixed;
  inset: 0;
  z-index: 32;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 26, 48, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.contact-backdrop.open {
  display: flex;
}

.contact-dialog {
  width: 640px;
  height: 360px;
  border-radius: 20px;
  background: #385adf;
  color: #fff;
  box-shadow: 0 24px 64px rgba(28, 59, 180, 0.24);
}

.contact-dialog h2 {
  margin: 32px 0 0;
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.contact-dialog-body {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  margin-top: 40px;
}

.contact-list {
  display: flex;
  width: 253px;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 20px;
  line-height: 1.4;
  white-space: nowrap;
}

.contact-item img {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  object-fit: contain;
}

.contact-qr {
  display: grid;
  width: 200px;
  height: 200px;
  place-items: center;
}

.contact-qr img {
  width: 200px;
  height: 200px;
  mix-blend-mode: lighten;
  object-fit: cover;
}

.message-backdrop,
.message-list-backdrop {
  position: fixed;
  inset: 0;
  z-index: 33;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 26, 48, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.message-backdrop.open,
.message-list-backdrop.open {
  display: flex;
}

.message-dialog,
.message-list-dialog {
  width: 420px;
  border: 1px solid rgba(28, 59, 180, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 48px rgba(69, 78, 112, 0.22);
  padding: 22px;
}

.message-dialog h2,
.message-list-dialog h2 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

#messageInput {
  width: 100%;
  height: 128px;
  resize: none;
  border: 1px solid rgba(94, 103, 141, 0.24);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font: inherit;
  line-height: 1.6;
  outline: 0;
}

#messageInput:focus {
  border-color: rgba(56, 90, 223, 0.58);
  box-shadow: 0 0 0 3px rgba(56, 90, 223, 0.1);
}

#messageInput::placeholder {
  color: rgba(94, 103, 141, 0.45);
}

.message-status {
  min-height: 20px;
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 20px;
  text-align: center;
}

.message-status.success {
  color: #088d18;
}

.message-status.error {
  color: #cc073f;
}

.message-list-dialog {
  width: 520px;
  max-height: min(680px, calc(100vh - 80px));
}

.message-list {
  display: flex;
  max-height: min(560px, calc(100vh - 190px));
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding-right: 4px;
}

.message-list-empty {
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.message-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  border: 1px solid rgba(28, 59, 180, 0.1);
  border-radius: 8px;
  background: #f8f9fe;
  padding: 12px;
}

.message-list-content {
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-list-actions {
  display: flex;
  gap: 8px;
}

.message-icon-action {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 6px;
  background: #eef0f8;
}

.message-icon-action:hover {
  background: #e4e8f5;
}

.message-icon-action img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.message-icon-action.liked {
  background: rgba(0, 208, 14, 0.12);
}

.message-toast {
  position: fixed;
  right: 42px;
  top: 54px;
  z-index: 34;
  display: block;
  max-width: 320px;
  min-width: 220px;
  border: 1px solid rgba(3, 181, 15, 0.28);
  border-radius: 10px;
  background: #03b50f;
  box-shadow: 0 18px 44px rgba(3, 181, 15, 0.22);
  padding: 12px 36px 12px 14px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px) scale(0.98);
  transition: opacity 220ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.message-toast.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.message-toast::before {
  content: "";
  position: absolute;
  right: var(--toast-arrow-right, 54px);
  top: -8px;
  width: 14px;
  height: 14px;
  border-left: 1px solid rgba(3, 181, 15, 0.28);
  border-top: 1px solid rgba(3, 181, 15, 0.28);
  background: #03b50f;
  transform: rotate(45deg);
}

.message-toast-text {
  max-height: 96px;
  overflow-y: auto;
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-toast-close {
  position: absolute;
  right: 8px;
  top: 50%;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  color: #fff;
  font-size: 18px;
  line-height: 20px;
  transform: translateY(-50%);
}

.message-toast-close:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.global-toast {
  position: fixed;
  left: 50%;
  top: 76px;
  z-index: 35;
  min-width: 180px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 44px rgba(69, 78, 112, 0.2);
  color: var(--text);
  font-size: 14px;
  line-height: 20px;
  padding: 10px 16px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px);
  transition: opacity 220ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.global-toast.open {
  opacity: 1;
  transform: translate(-50%, 0);
}

.global-toast.success {
  color: #088d18;
}

.pdf-backdrop {
  position: fixed;
  inset: 0;
  z-index: 33;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 26, 48, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.pdf-backdrop.open {
  display: flex;
}

.pdf-dialog {
  width: calc(100vw - 320px);
  max-width: 1976px;
  height: calc(100vh - 80px);
  min-width: 960px;
  min-height: 640px;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(69, 78, 112, 0.22);
}

.pdf-dialog-header {
  display: flex;
  height: 80px;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--blue);
}

.pdf-tabs {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 24px;
  font-weight: 500;
  line-height: 34px;
  white-space: nowrap;
}

.pdf-tab {
  color: rgba(255, 255, 255, 0.4);
  font: inherit;
  transition: color 180ms ease, transform 180ms ease;
}

.pdf-tab:hover {
  color: rgba(255, 255, 255, 0.72);
  transform: translateY(-1px);
}

.pdf-tab.active {
  color: #fff;
}

.pdf-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 20px;
  white-space: nowrap;
}

.pdf-download {
  display: flex;
  height: 36px;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
  text-decoration: none;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.pdf-download:hover {
  border-color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.pdf-preview-body {
  height: calc(100% - 80px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px;
  background: #fff;
  scrollbar-width: thin;
  scrollbar-color: rgba(28, 59, 180, 0.5) transparent;
}

.pdf-preview-body::-webkit-scrollbar {
  width: 8px;
}

.pdf-preview-body::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
  background: transparent;
}

.pdf-preview-body::-webkit-scrollbar-button:vertical:start:decrement,
.pdf-preview-body::-webkit-scrollbar-button:vertical:end:increment,
.pdf-preview-body::-webkit-scrollbar-button:single-button {
  display: none;
  width: 0;
  height: 0;
  background: transparent;
}

.pdf-preview-body::-webkit-scrollbar-track {
  background: transparent;
}

.pdf-preview-body::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 47px;
  background: rgba(28, 59, 180, 0.5);
  background-clip: content-box;
}

.pdf-preview-area {
  display: flex;
  width: 100%;
  min-height: 240px;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.pdf-preview-area.rendering {
  min-height: 360px;
  align-items: center;
  justify-content: center;
}

.pdf-preview-area.rendering::before {
  content: "";
  width: 36px;
  height: 36px;
  border: 3px solid rgba(56, 90, 223, 0.18);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: pdfSpin 800ms linear infinite;
}

.portfolio-preview {
  gap: 28px;
}

.pdf-page {
  width: 100%;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 12px;
  background: #d9d9d9;
}

.pdf-page canvas {
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-width: 720px) {
  .contact-dialog {
    width: calc(100vw - 32px);
    height: auto;
    min-height: 360px;
    padding-bottom: 32px;
  }

  .contact-dialog-body {
    gap: 32px;
  }

  .pdf-dialog {
    width: calc(100vw - 24px);
    height: calc(100vh - 24px);
    min-width: 0;
    min-height: 0;
  }
}

.visually-hidden {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

@keyframes writeEnglish {
  to { width: 299px; }
}

@keyframes writeChinese {
  to { width: 162px; }
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes textShine {
  from { background-position: 0 0; }
  to { background-position: 240px 0; }
}

@keyframes pdfSpin {
  to { transform: rotate(360deg); }
}

@keyframes typedChar {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loadingBar {
  from { width: 0; }
  to { width: 100%; }
}

@media (max-width: 900px) {
  .loading-stack {
    transform: translate(-50%, -50%) scale(0.74);
  }

  .page-panel,
  .minimap-panel {
    width: 188px;
  }

  .bottom-toolbar {
    left: 188px;
  }
}