/* Teacher / blogger workbench — uses --lx-* tokens when tokens.css is loaded */

html {
  height: 100%;
  overflow: hidden;
}

body.wb-page {
  margin: 0;
  box-sizing: border-box;
  height: 100%;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 12px 16px 14px;
  gap: 8px;
  background:
    radial-gradient(1200px 480px at 10% -10%, rgba(204, 251, 241, 0.55), transparent 60%),
    radial-gradient(900px 420px at 90% 0%, rgba(224, 242, 254, 0.5), transparent 55%),
    #f8fafc;
  color: #0f172a;
  font-family: Manrope, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.wb-nav {
  flex: none;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 4px 14px;
  min-height: 48px;
  height: auto;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 4px 90px rgba(0, 0, 0, 0.04);
}

.wb-tool-bar {
  flex: none;
  position: static;
  z-index: 20;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-sizing: border-box;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 4px 90px rgba(0, 0, 0, 0.04);
}

.wb-export-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
  justify-content: flex-end;
}

.wb-export-inline[hidden] {
  display: none !important;
}

.wb-export-inline strong {
  flex: none;
  color: #0f766e;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.wb-export-days {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.wb-export-days input {
  width: 64px;
  min-height: 34px;
  padding: 0 8px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
}

.wb-export-inline #wb-link-output {
  min-width: 120px;
  max-width: 280px;
  flex: 1;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
}

.wb-export-inline .wb-btn-outline {
  min-height: 34px;
  padding: 0 12px;
  font-size: 13px;
  white-space: nowrap;
}

.wb-nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.wb-brand {
  color: #0f172a;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.wb-back {
  color: #0f766e;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  font-size: 14px;
}

.wb-back:hover {
  text-decoration: underline;
}

.wb-nav-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.wb-role,
.wb-tool {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: #f0fdfa;
  border: 1px solid #ccfbf1;
}

.wb-tool {
  background: #f8fafc;
  border-color: #e2e8f0;
}

.wb-role button,
.wb-tool button {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
}

.wb-role button.active,
.wb-tool button.active {
  background: linear-gradient(90deg, #0d9488, #2dd4bf);
  color: #fff;
}

.wb-mode {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.wb-mode[hidden] {
  display: none !important;
}

#wb-class-note {
  padding: 0;
  box-sizing: border-box;
  min-height: 0;
}

.wb-cn-wrap {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 0 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
}

.wb-cn-wrap h1 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 28px;
  font-weight: 700;
  flex: none;
}

#wb-cn-composer,
#wb-cn-viewer {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.wb-cn-form {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 22px 28px 18px;
  height: 100%;
  box-sizing: border-box;
}

.wb-cn-form label {
  margin: 0 0 6px;
}

.wb-cn-fields {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  margin-bottom: 16px;
  flex: none;
  align-items: end;
}

.wb-cn-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.wb-cn-field > label {
  margin: 0;
}

.wb-cn-fields input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
}

.wb-cn-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 46px;
  margin: 0 !important;
  padding: 0 14px;
  border: 1px dashed #99f6e4;
  border-radius: 12px;
  background: #f0fdfa;
  color: #0f766e;
  cursor: pointer;
  box-sizing: border-box;
}

.wb-cn-file span {
  font-weight: 700;
  white-space: nowrap;
}

.wb-cn-file em {
  font-style: normal;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wb-cn-lines-head {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
  margin-bottom: 8px;
}

.wb-cn-lines {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 4px 2px 8px 0;
}

#wb-cn-line-fields label.wb-cn-line {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  margin: 0;
}

#wb-cn-line-fields .wb-cn-line span {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #ccfbf1;
  color: #0f766e;
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex: none;
  margin: 0;
}

#wb-cn-line-fields .wb-cn-line input {
  flex: 1;
  width: auto;
  min-width: 0;
  margin: 0;
  box-sizing: border-box;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  background: #fff;
}

.wb-cn-actions {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e2e8f0;
}

.wb-cn-actions .wb-status {
  margin: 0;
}

.wb-cn-actions .wb-btn {
  margin-left: auto;
}

@media (max-width: 640px) {
  .wb-cn-fields {
    grid-template-columns: 1fr;
  }
}

.wb-cn-note-card {
  flex: 1;
  min-height: 0;
  background: #eef1f4;
  border-radius: 18px;
  padding: 18px 18px 28px;
  overflow: auto;
}

.wb-cn-note-card img {
  width: 100%;
  max-height: min(42vh, 360px);
  object-fit: contain;
  border-radius: 8px;
  display: block;
  background: #fff;
}

.wb-cn-note-card .word {
  margin: 18px 0 8px;
  text-align: center;
  font-size: 48px;
  line-height: 1.1;
  font-weight: 800;
}

.wb-cn-note-card .line {
  display: flex;
  gap: 12px;
  align-items: center;
  background: #fff;
  border-radius: 16px;
  padding: 12px 14px;
  margin-top: 10px;
}

.wb-cn-note-card .horn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 0;
  background: #0d9488;
  color: #fff;
  cursor: pointer;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.wb-cn-note-card .horn .lx-icon {
  width: 16px;
  height: 16px;
}

.wb-cn-note-card .horn.playing {
  background: #115e59;
}

.wb-cn-share {
  margin-top: 16px;
  word-break: break-all;
  color: #0f766e;
  font-weight: 600;
}

.wb-btn,
.wb-btn-outline,
.wb-btn-ghost {
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.wb-btn {
  border: 0;
  color: #fff;
  background: linear-gradient(90deg, #0d9488, #2dd4bf);
}

.wb-btn:disabled,
.wb-btn-outline:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.wb-btn-outline {
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #0f172a;
}

.wb-btn-ghost {
  border: 0;
  background: transparent;
  color: #0f766e;
}

.wb-shell {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr) minmax(200px, 240px);
  gap: 12px;
  align-items: stretch;
  overflow: hidden;
}

.wb-panel {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 90px rgba(0, 0, 0, 0.04);
  padding: 14px 16px;
  min-height: 0;
  overflow: auto;
}

.wb-panel h2 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.wb-inline-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 6px;
}

.wb-inline-label h2 {
  margin: 0;
}

.wb-inline-label > label,
.wb-inline-tag {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
  white-space: nowrap;
}

.wb-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 8px;
}

.wb-section-head h2 {
  margin: 0;
}

.wb-save-mini {
  min-height: 32px;
  padding: 0 12px;
  font-size: 13px;
}

.wb-panel label {
  display: block;
  margin: 8px 0 4px;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
}

.wb-panel textarea,
.wb-panel input[type="text"],
.wb-panel input[type="number"],
.wb-panel select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 8px 12px;
  font: inherit;
  background: #fff;
}

.wb-panel textarea {
  min-height: 72px;
  max-height: 160px;
  resize: vertical;
  line-height: 1.5;
}

.wb-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.wb-actions-inline {
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
}

.wb-actions-inline .wb-btn,
.wb-actions-inline .wb-btn-outline {
  padding: 8px 12px;
  flex: none;
}

.wb-actions-inline .wb-btn-ghost {
  padding: 8px 6px;
  flex: none;
  white-space: nowrap;
}

.wb-hint {
  margin: 6px 0 0;
  color: #64748b;
  font-size: 12px;
  line-height: 1.4;
}

.wb-status {
  margin: 6px 0 0;
  color: #64748b;
  font-size: 12px;
  line-height: 1.4;
  min-height: 0;
}

.wb-status.error {
  color: #b91c1c;
}

.wb-status.ok {
  color: #0f766e;
}

.wb-templates {
  display: grid;
  gap: 6px;
  margin-top: 4px;
}

.wb-template {
  text-align: left;
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
  font: inherit;
}

.wb-template.active {
  border-color: #14b8a6;
  background: #f0fdfa;
  box-shadow: inset 0 0 0 1px #99f6e4;
}

.wb-template strong {
  display: block;
  font-size: 14px;
}

.wb-template span {
  color: #64748b;
  font-size: 12px;
}

.wb-saved-list {
  display: grid;
  gap: 6px;
  margin-top: 4px;
  max-height: 120px;
  overflow: auto;
}

.wb-saved-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 8px 10px;
  background: #f8fafc;
}

.wb-saved-item button {
  border: 0;
  background: transparent;
  color: #0f766e;
  font-weight: 700;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.wb-center {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.wb-preview-wrap {
  flex: 1;
  min-height: 0;
  overflow: auto;
  max-height: none;
  border-radius: 20px;
  background: #eef2f6;
  padding: 12px;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.04);
}

.wb-theme-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  max-height: min(42vh, 360px);
  overflow: auto;
  padding-right: 2px;
}

.wb-theme {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  text-align: left;
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 12px;
  padding: 8px 9px;
  font: inherit;
  cursor: pointer;
  min-width: 0;
}

.wb-theme.active {
  border-color: #14b8a6;
  background: #f0fdfa;
  box-shadow: inset 0 0 0 1px #99f6e4;
}

.wb-theme-name {
  font-size: 12px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.2;
}

.wb-theme-desc {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  line-height: 1.2;
}

.wb-theme-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  width: 100%;
  margin-top: 2px;
}

.wb-theme-swatches i {
  display: block;
  height: 14px;
  border-radius: 4px;
}

.wb-orient {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.wb-orient.wb-seg-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.wb-orient button {
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 12px;
  padding: 8px 10px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
}

.wb-orient button.active {
  border-color: #14b8a6;
  background: #f0fdfa;
  color: #0f766e;
  box-shadow: inset 0 0 0 1px #99f6e4;
}

.wb-canvas {
  margin: 0 auto;
  width: min(100%, var(--wb-card-w, 420px));
  min-height: var(--wb-card-min-h, 560px);
  border-radius: 20px;
  padding: 22px 20px 28px;
  box-sizing: border-box;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  outline: none;
}

.wb-canvas[data-orient="portrait"] {
  --wb-card-w: 420px;
  --wb-card-min-h: 560px; /* 3:4 */
}

.wb-canvas[data-orient="portrait"]:has(.wb-sentence-layered) {
  --wb-card-w: 480px;
  --wb-card-min-h: 640px;
}

.wb-canvas[data-orient="story"] {
  --wb-card-w: 405px;
  --wb-card-min-h: 720px; /* 9:16 */
}

.wb-canvas[data-orient="story"]:has(.wb-sentence-layered) {
  --wb-card-w: 420px;
  --wb-card-min-h: 747px;
}

.wb-canvas[data-orient="landscape"] {
  --wb-card-w: 720px;
  --wb-card-min-h: 405px; /* 16:9 */
}

.wb-canvas[data-orient="landscape"]:has(.wb-sentence-layered) {
  --wb-card-w: 760px;
  --wb-card-min-h: 428px;
}

.wb-canvas[contenteditable="true"]:focus {
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.1), 0 0 0 2px rgba(13, 148, 136, 0.35);
}

.wb-canvas .wb-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 8px;
  outline: none;
  border-radius: 6px;
  padding: 2px 4px;
  margin-left: -4px;
  max-width: 100%;
}

.wb-canvas .wb-kicker:focus,
.wb-canvas .wb-title:focus {
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.35);
  opacity: 1;
}

.wb-sheet {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wb-canvas .wb-card-head {
  margin-bottom: 2px;
}

.wb-canvas .wb-card-head-hero {
  padding-bottom: 14px;
  border-bottom: 2px solid var(--wb-block-border, rgba(15, 118, 110, 0.22));
}

.wb-canvas .wb-kicker-badge {
  display: inline-flex;
  align-items: center;
  margin: 0 0 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.1));
  color: var(--wb-accent, #0f766e);
  opacity: 1;
  letter-spacing: 0.1em;
}

.wb-canvas .wb-title {
  margin: 0 0 10px;
  font-size: 1.65em;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  outline: none;
  border-radius: 6px;
}

.wb-canvas .wb-sub {
  margin: 0;
  opacity: 0.72;
  font-size: 0.92em;
}

.wb-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.wb-meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--wb-highlight, #ccfbf1);
  color: var(--wb-accent, #0f766e);
  font-size: 12px;
  font-weight: 800;
}

.wb-canvas .wb-block {
  margin: 0;
  padding: 14px 14px 16px;
  border-radius: 18px;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.08));
  border: 1px solid var(--wb-block-border, rgba(15, 118, 110, 0.2));
  border-bottom-width: 3px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

.wb-block-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.wb-block-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--wb-accent, #0f766e);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.wb-canvas .wb-block-title {
  margin: 0;
  font-size: 0.98em;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--wb-accent, #0f766e);
}

.wb-block-hint {
  margin: 0 0 10px;
  opacity: 0.65;
  font-size: 12px;
  line-height: 1.4;
}

.wb-canvas .wb-block-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wb-canvas .wb-empty,
.wb-canvas .wb-foot-note {
  margin: 0;
  opacity: 0.7;
  font-size: 0.88em;
  line-height: 1.45;
}

.wb-canvas .wb-foot-note {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--wb-rule, rgba(15, 23, 42, 0.15));
}

.wb-callout {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--wb-highlight, #ccfbf1);
  color: var(--wb-accent, #0f766e);
  font-size: 0.9em;
  font-weight: 700;
  line-height: 1.45;
}

.wb-canvas .wb-sentence {
  margin: 0;
  padding: 12px 12px 14px;
  border-radius: 14px;
  background: var(--wb-sentence-bg, rgba(15, 23, 42, 0.04));
  border: 1px solid var(--wb-rule, rgba(15, 23, 42, 0.08));
}

.wb-sentence-plain {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.wb-canvas .wb-sentence-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin: 0;
  border-radius: 10px;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.12));
  color: var(--wb-accent, #0f766e);
  font-size: 12px;
  font-weight: 800;
  opacity: 1;
}

.wb-canvas .wb-sentence-index em {
  font-style: normal;
}

.wb-sentence-copy {
  min-width: 0;
  line-height: 1.55;
  font-weight: 650;
}

.wb-task-card,
.wb-expr-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  border-radius: 14px;
  background: var(--wb-sentence-bg, rgba(15, 23, 42, 0.04));
  border: 1px solid var(--wb-rule, rgba(15, 23, 42, 0.08));
}

.wb-task-mark,
.wb-expr-no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--wb-accent, #0f766e);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.wb-task-label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.55;
}

.wb-task-text,
.wb-expr-text {
  margin: 0;
  font-size: 1em;
  font-weight: 700;
  line-height: 1.45;
}

.wb-expr-board {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wb-dictation-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wb-dictation-item {
  display: grid;
  grid-template-columns: 28px auto minmax(0, 1fr);
  gap: 10px;
  align-items: end;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--wb-sentence-bg, rgba(15, 23, 42, 0.04));
}

.wb-dictation-no {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.12));
  color: var(--wb-accent, #0f766e);
  font-size: 12px;
  font-weight: 800;
}

.wb-dictation-word {
  font-weight: 800;
  white-space: nowrap;
}

.wb-dictation-line {
  display: block;
  height: 0;
  border-bottom: 2px dashed var(--wb-rule, rgba(15, 23, 42, 0.25));
  margin-bottom: 4px;
}

.wb-sheet-intensive-note .wb-block-read {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent 48px),
    var(--wb-block-bg, rgba(15, 118, 110, 0.08));
}

.wb-sheet-homework .wb-block-task {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.5), transparent 40%),
    var(--wb-block-bg, rgba(15, 118, 110, 0.09));
}

.wb-sheet-homework .wb-block-write {
  background: rgba(255, 255, 255, 0.55);
  border-style: dashed;
}

.wb-sheet-lesson-handout .wb-block-key .wb-expr-card {
  background: var(--wb-highlight, #ccfbf1);
  border-color: transparent;
}

.wb-sheet-lesson-handout .wb-block-plain {
  background: rgba(255, 255, 255, 0.48);
}

.wb-sheet-word-cards .wb-block-plain {
  padding: 10px 12px 12px;
}

.wb-sheet-word-cards .wb-block-hint,
.wb-sheet-word-cards .wb-block-head {
  margin-bottom: 6px;
}

.wb-canvas[data-align="center"] .wb-card-head,
.wb-canvas[data-align="center"] .wb-cover {
  text-align: center;
}

.wb-canvas[data-align="center"] .wb-kicker,
.wb-canvas[data-align="center"] .wb-meta-row {
  margin-left: auto;
  margin-right: auto;
  display: inline-flex;
  justify-content: center;
}

.wb-canvas[data-align="center"] .wb-meta-row {
  display: flex;
  width: fit-content;
}

.wb-canvas[data-density="compact"] {
  padding: 16px 16px 20px;
}

.wb-canvas[data-density="compact"] .wb-sheet {
  gap: 8px;
}

.wb-canvas[data-density="compact"] .wb-card-head-hero {
  padding-bottom: 10px;
}

.wb-canvas[data-density="compact"] .wb-block {
  padding: 10px 10px 12px;
  border-radius: 14px;
}

.wb-canvas[data-density="compact"] .wb-block-body {
  gap: 6px;
}

.wb-canvas[data-density="compact"] .wb-title {
  font-size: 1.35em;
}

.wb-canvas[data-density="compact"] .wb-task-card,
.wb-canvas[data-density="compact"] .wb-expr-card {
  padding: 8px;
  gap: 8px;
  grid-template-columns: 36px minmax(0, 1fr);
}

.wb-canvas[data-density="compact"] .wb-task-mark,
.wb-canvas[data-density="compact"] .wb-expr-no {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 12px;
}

.wb-canvas[data-density="relaxed"] {
  padding: 28px 24px 36px;
}

.wb-canvas[data-density="relaxed"] .wb-sheet {
  gap: 16px;
}

.wb-canvas[data-density="relaxed"] .wb-card-head-hero {
  padding-bottom: 18px;
}

.wb-canvas[data-density="relaxed"] .wb-block {
  padding: 16px 16px 18px;
}

.wb-canvas[data-density="relaxed"] .wb-block-body {
  gap: 12px;
}

.wb-word {
  cursor: pointer;
  border-radius: 4px;
  padding: 0 1px;
  transition: background 0.15s ease;
}

.wb-word:hover,
.wb-word.active {
  background: var(--wb-highlight, #ccfbf1);
}

.wb-word .wb-cefr {
  display: inline-block;
  margin-left: 2px;
  font-size: 10px;
  font-weight: 700;
  vertical-align: super;
  opacity: 0.75;
}

.wb-word .wb-phonetic {
  display: block;
  font-size: 11px;
  opacity: 0.65;
  line-height: 1.2;
}

.wb-word .wb-gloss {
  display: block;
  font-size: 12px;
  opacity: 0.8;
}

.wb-sentence-layered {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  overflow: visible;
}

.wb-word-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 6px;
  min-width: 0;
}

.wb-word-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 52px;
  max-width: 120px;
  text-align: center;
}

.wb-word-sep {
  align-self: center;
  padding-top: 28px;
  color: #94a3b8;
  font-weight: 700;
}

.wb-ipa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 20px;
  padding: 2px 7px;
  border-radius: 8px;
  background: #f1f5f9;
  color: #64748b;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.wb-ipa-empty {
  opacity: 0.35;
}

.wb-word-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1.2;
  color: #0f172a;
  background: #e2e8f0;
}

.wb-word-col[data-chunk="0"] .wb-word-pill { background: #fed7aa; }
.wb-word-col[data-chunk="1"] .wb-word-pill { background: #fecaca; color: #7f1d1d; }
.wb-word-col[data-chunk="2"] .wb-word-pill { background: #bfdbfe; color: #1e3a8a; }
.wb-word-col[data-chunk="3"] .wb-word-pill { background: #99f6e4; color: #115e59; }
.wb-word-col[data-chunk="4"] .wb-word-pill { background: #e9d5ff; color: #581c87; }
.wb-word-col[data-chunk="5"] .wb-word-pill { background: #fde68a; color: #78350f; }

.wb-word-pill:hover,
.wb-word-pill.active {
  filter: brightness(0.96);
  background: inherit;
  box-shadow: inset 0 0 0 2px rgba(15, 118, 110, 0.35);
}

.wb-cefr-chip {
  font-size: 10px;
  font-weight: 800;
  color: #64748b;
  letter-spacing: 0.02em;
}

.wb-pos {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 20px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

.wb-pos-bar {
  display: block;
  width: 70%;
  height: 3px;
  border-radius: 999px;
  opacity: 0.85;
}

.wb-gloss-line {
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  line-height: 1.25;
  word-break: break-word;
}

.wb-pos.pos-noun,
.wb-pos-bar.pos-noun { background: #a16207; }
.wb-pos.pos-verb,
.wb-pos-bar.pos-verb { background: #16a34a; }
.wb-pos.pos-adj,
.wb-pos-bar.pos-adj { background: #9333ea; }
.wb-pos.pos-adv,
.wb-pos-bar.pos-adv { background: #0891b2; }
.wb-pos.pos-pron,
.wb-pos-bar.pos-pron { background: #f59e0b; }
.wb-pos.pos-det,
.wb-pos-bar.pos-det { background: #64748b; }
.wb-pos.pos-prep,
.wb-pos-bar.pos-prep { background: #0f766e; }
.wb-pos.pos-conj,
.wb-pos-bar.pos-conj { background: #db2777; }
.wb-pos.pos-part,
.wb-pos-bar.pos-part { background: #d97706; }
.wb-pos.pos-modal,
.wb-pos-bar.pos-modal { background: #dc2626; }
.wb-pos.pos-num,
.wb-pos-bar.pos-num { background: #475569; }
.wb-pos.pos-intj,
.wb-pos-bar.pos-intj,
.wb-pos.pos-other,
.wb-pos-bar.pos-other { background: #94a3b8; }


.wb-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.wb-chip {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(15, 118, 110, 0.08);
  color: inherit;
}

.wb-vocab-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.wb-canvas[data-orient="landscape"] .wb-vocab-deck {
  grid-template-columns: 1fr 1fr;
}

.wb-vocab-card {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  overflow: hidden;
  border-radius: 12px;
  padding: 8px 10px 8px 10px;
  background: var(--wb-sentence-bg, rgba(15, 23, 42, 0.04));
  border: 1px solid var(--wb-block-border, rgba(15, 118, 110, 0.18));
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.04);
  line-height: 1.2;
}

.wb-vocab-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--wb-accent, #0f766e);
}

.wb-vocab-index {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-top: 4px;
  border-radius: 8px;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.12));
  color: var(--wb-accent, #0f766e);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  opacity: 1;
  line-height: 1;
}

.wb-vocab-main {
  min-width: 0;
}

.wb-vocab-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.wb-vocab-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
  flex-shrink: 0;
}

.wb-vocab-cefr,
.wb-vocab-pos {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}

.wb-vocab-cefr {
  background: var(--wb-highlight, #ccfbf1);
  color: var(--wb-accent, #0f766e);
}

.wb-vocab-pos {
  color: #fff;
}

.wb-vocab-word {
  margin: 0;
  font-size: 2.6em;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  cursor: pointer;
}

.wb-vocab-ipa {
  display: inline-flex;
  margin: 2px 0 0;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--wb-block-bg, rgba(15, 118, 110, 0.1));
  color: var(--wb-accent, #0f766e);
  font-size: 0.78em;
  font-weight: 700;
  font-style: italic;
  line-height: 1.15;
}

.wb-vocab-zh {
  margin: 2px 0 0;
  font-size: 0.95em;
  font-weight: 700;
  line-height: 1.2;
}

.wb-vocab-def {
  margin: 2px 0 0;
  opacity: 0.68;
  font-size: 0.78em;
  line-height: 1.25;
  font-style: italic;
}

.wb-canvas[data-density="compact"] .wb-vocab-deck {
  gap: 4px;
}

.wb-canvas[data-density="compact"] .wb-vocab-card {
  padding: 6px 8px;
  border-radius: 10px;
  gap: 6px;
  grid-template-columns: 24px minmax(0, 1fr);
}

.wb-canvas[data-density="compact"] .wb-vocab-index {
  width: 24px;
  height: 24px;
  margin-top: 6px;
  font-size: 10px;
}

.wb-canvas[data-density="compact"] .wb-vocab-word {
  font-size: 2.1em;
}

.wb-canvas[data-density="relaxed"] .wb-vocab-deck {
  gap: 8px;
}

.wb-canvas[data-density="relaxed"] .wb-vocab-card {
  padding: 10px 12px;
}

.wb-canvas[data-density="relaxed"] .wb-vocab-word {
  font-size: 2.55em;
}

.wb-quote {
  margin: 48px 0 24px;
  font-size: 1.45em;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
}

.wb-cover {
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 12px;
}

.wb-qr-box {
  margin: 18px auto 0;
  width: 120px;
  height: 120px;
  border-radius: 16px;
  border: 2px dashed rgba(15, 118, 110, 0.35);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #0f766e;
  background: rgba(240, 253, 250, 0.8);
}

.wb-style-grid {
  display: grid;
  gap: 6px;
}

.wb-style-grid .pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.wb-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 0 !important;
  font-size: 13px;
  font-weight: 600;
}

.wb-toggle input {
  width: 18px;
  height: 18px;
}

.wb-footer-bar {
  flex: none;
  width: calc(100% - 32px);
  max-width: 1440px;
  margin: 0 auto 10px;
  padding: 10px 16px;
  box-sizing: border-box;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 4px 90px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.wb-footer-bar .wb-row {
  margin: 0;
}


.wb-auth-banner {
  flex: none;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 8px 14px;
  box-sizing: border-box;
  border-radius: 14px;
  background: #ecfeff;
  border: 1px solid #a5f3fc;
  color: #155e75;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.wb-word-pop {
  position: fixed;
  z-index: 40;
  min-width: 200px;
  max-width: 280px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.18);
  padding: 14px;
  border: 1px solid #e2e8f0;
}

.wb-word-pop[hidden] {
  display: none !important;
}

.wb-word-pop strong {
  display: block;
  font-size: 18px;
}

.wb-word-pop .meta {
  color: #64748b;
  font-size: 12px;
  margin: 4px 0 8px;
}

.wb-word-pop p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.5;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1100px) {
  body.wb-page {
    height: auto;
    max-height: none;
    overflow: auto;
    padding: 10px 12px 12px;
  }

  .wb-mode {
    flex: none;
    overflow: visible;
  }

  .wb-tool-bar {
    flex-wrap: wrap;
    align-items: stretch;
  }

  .wb-export-inline {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .wb-export-inline #wb-link-output {
    max-width: none;
  }

  .wb-shell {
    grid-template-columns: 1fr;
    flex: none;
    overflow: visible;
    height: auto;
  }

  .wb-panel,
  .wb-center,
  .wb-preview-wrap {
    overflow: visible;
    max-height: none;
  }

  .wb-canvas {
    width: min(100%, 480px);
  }
}