:root {
  --bg: #f4f6f1;
  --surface: #ffffff;
  --surface-soft: #edf3ee;
  --ink: #22231f;
  --muted: #676d62;
  --line: #d8ddd5;
  --brand-purple: #651144;
  --brand-purple-soft: #f5e8f0;
  --brand-coral: #e8644c;
  --brand-yellow: #ffd51f;
  --green: #23745a;
  --green-soft: #dff0e8;
  --blue: #315f9e;
  --blue-soft: #e3ecf8;
  --red: #b53d3d;
  --red-soft: #f7e5e1;
  --yellow: #8a6a16;
  --yellow-soft: #fff4cc;
  --shadow: 0 18px 50px rgba(31, 38, 30, 0.18);
  --ui-zoom: 1;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  zoom: var(--ui-zoom);
  background:
    linear-gradient(90deg, rgba(101, 17, 68, 0.08), rgba(255, 213, 31, 0.07) 30%, transparent 56%),
    var(--bg);
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.app-shell {
  width: min(100%, 920px);
  min-height: 100vh;
  padding: 10px 10px 74px;
}

.sticky-workbench {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.topbar {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.topbar-row {
  display: grid;
  gap: 8px;
  align-items: center;
}

.topbar-main {
  grid-template-columns: minmax(92px, auto) minmax(210px, 1fr) auto;
}

.topbar-tools {
  grid-template-columns: minmax(270px, auto) minmax(0, 1fr);
  align-items: end;
}

.brand {
  display: grid;
  min-width: 0;
  width: 92px;
  gap: 4px;
  justify-items: center;
  align-items: start;
  text-align: center;
}

.brand-logo {
  display: block;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--brand-purple);
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(101, 17, 68, 0.16);
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.05;
}

.brand strong {
  font-size: 12px;
  line-height: 1.05;
  color: var(--brand-purple);
}

.current-lesson {
  min-width: 0;
}

.current-lesson strong {
  display: block;
  min-width: 0;
  font-size: 14px;
  line-height: 1.15;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.current-lesson .lesson-stats {
  margin-top: 5px;
}

.select-wrap {
  display: grid;
  gap: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.select-wrap select {
  min-width: 0;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.scale-control {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}

.scale-control-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.scale-control output {
  min-width: 48px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(101, 17, 68, 0.08);
  color: var(--brand-purple);
  text-align: center;
  font-weight: 900;
}

.scale-control input[type="range"] {
  width: 100%;
  min-height: 30px;
  accent-color: var(--brand-purple);
}

.lesson-picker select {
  width: 100%;
}

.topbar-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
}

.transport-status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.transport-status[data-state="ready"] {
  border-color: rgba(35, 116, 90, 0.26);
  background: var(--green-soft);
  color: var(--green);
}

.transport-status[data-state="error"] {
  border-color: rgba(181, 61, 61, 0.26);
  background: var(--red-soft);
  color: var(--red);
}

.lesson-tools,
.vocabulary-tools {
  min-width: 0;
}

.lesson-tools {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.vocabulary-tools {
  display: grid;
  grid-template-columns: max-content minmax(300px, 1fr);
  gap: 6px;
  align-items: end;
  justify-content: flex-end;
}

.topbar-link {
  text-decoration: none;
}

.toolbar-icon-group {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.words-toggle-stack {
  display: grid;
  gap: 3px;
  align-items: end;
}

.toolbar-icon-button {
  width: 38px;
  padding: 0;
}

.button-icon {
  font-size: 17px;
  line-height: 1;
}

.button-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.quick-word-form {
  display: grid;
  min-width: 0;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: end;
  justify-self: end;
}

.quick-word-label {
  display: grid;
  min-width: 0;
  gap: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.quick-word-label input {
  min-width: 0;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.quick-word-label input:focus {
  outline: 2px solid rgba(101, 17, 68, 0.2);
  outline-offset: 1px;
  border-color: rgba(101, 17, 68, 0.42);
}

.quick-word-submit {
  min-width: 42px;
}

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(74px, 1fr));
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.segmented-control button {
  min-width: 0;
  min-height: 34px;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.segmented-control button:last-child {
  border-right: 0;
}

.segmented-control button.is-active {
  background: var(--brand-purple);
  color: #fff;
}

.toggle-button[aria-pressed="true"] {
  border-color: rgba(101, 17, 68, 0.28);
  background: var(--brand-purple-soft);
  color: var(--brand-purple);
}

.toggle-button {
  white-space: nowrap;
}

.icon-action {
  width: 38px;
  padding: 0;
  font-size: 17px;
}

.help-action-link {
  text-decoration: none;
}

.settings-panel,
.words-panel {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.settings-panel {
  grid-template-columns: 1fr;
  align-items: start;
  border-color: rgba(101, 17, 68, 0.26);
  background:
    linear-gradient(135deg, rgba(101, 17, 68, 0.11), rgba(255, 213, 31, 0.08)),
    rgba(255, 255, 255, 0.97);
  box-shadow: 0 16px 34px rgba(101, 17, 68, 0.12);
}

.settings-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid rgba(101, 17, 68, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.settings-tab-button {
  min-height: 36px;
  border: 0;
  border-right: 1px solid rgba(101, 17, 68, 0.14);
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-tab-button:last-child {
  border-right: 0;
}

.settings-tab-button.is-active {
  background: var(--brand-purple);
  color: #fff;
}

.settings-tab-panels {
  min-width: 0;
}

.settings-tab-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  align-items: start;
}

.settings-group {
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
}

.settings-group h3 {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.settings-action-button {
  width: 100%;
}

.reset-lesson-button {
  border-color: rgba(181, 61, 61, 0.28);
  color: var(--red);
  background: rgba(255, 255, 255, 0.88);
}

.words-panel {
  max-height: min(80vh, 684px);
  overflow: auto;
  border-color: rgba(35, 116, 90, 0.2);
  background:
    linear-gradient(135deg, rgba(35, 116, 90, 0.07), rgba(255, 255, 255, 0.8)),
    rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 30px rgba(31, 38, 30, 0.11);
}

.panel-mini-controls {
  display: flex;
  gap: 4px;
  justify-content: flex-start;
}

.words-panel-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.words-panel-title-group {
  display: flex;
  min-width: 0;
  gap: 8px;
  align-items: center;
}

.words-panel-title-group h2 {
  white-space: nowrap;
}

.panel-mini-button {
  width: 30px;
  min-height: 28px;
  padding: 0;
  font-size: 14px;
}

.panel-mini-button.is-active {
  border-color: rgba(35, 116, 90, 0.24);
  background: var(--green-soft);
  color: var(--green);
}

.switch-row {
  display: flex;
  min-height: 38px;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
}

.switch-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-purple);
}

.lesson-main {
  display: grid;
  gap: 10px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 22px;
  line-height: 1.16;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 14px;
}

.summary-stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.summary-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.summary-stats span,
.status-pill,
.kind-pill {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border-radius: 999px;
  padding: 0 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.summary-stats strong {
  margin-right: 4px;
  color: var(--ink);
}

.lesson-stats,
.word-stats {
  align-items: center;
}

.word-stats {
  justify-content: center;
}

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

.run-row {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: 8px;
  padding: 10px;
  background: var(--surface);
}

.run-row:not(.is-open) {
  gap: 0;
}

.run-row.is-used {
  border-color: #94c9b1;
  border-left-color: var(--green);
  background: linear-gradient(90deg, rgba(35, 116, 90, 0.08), #fff 28%);
}

.run-row[data-kind="grammar"] {
  border-left-color: var(--red);
}

.run-row[data-kind="exercise"] {
  border-left-color: var(--blue);
}

.run-row[data-kind="discussion"],
.run-row[data-kind="game"] {
  border-left-color: var(--green);
}

.run-row[data-kind="homework"] {
  border-left-color: var(--yellow);
}

.run-row[data-kind="scheduled_message"] {
  border-left-color: var(--muted);
  opacity: 0.72;
}

.row-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.row-toggle {
  display: grid;
  grid-template-columns: auto auto auto auto minmax(0, 1fr) auto;
  min-width: 0;
  gap: 6px;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.row-number {
  font-weight: 900;
}

.row-preview {
  min-width: 0;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-chevron {
  display: inline-grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--green);
  font-size: 18px;
  font-weight: 900;
}

.row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.row-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 8px;
  margin-top: 8px;
}

body[data-layout-mode="stacked"] .row-columns,
.row-columns.is-student-focus {
  grid-template-columns: 1fr;
}

.teacher-details {
  min-width: 0;
}

.teacher-details summary {
  width: fit-content;
  max-width: 100%;
  border-radius: 8px;
  padding: 5px 8px;
  background: var(--yellow-soft);
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.teacher-details .method-cell {
  margin-top: 6px;
}

.method-cell {
  display: grid;
  align-content: start;
  gap: 6px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
}

.teacher-cell {
  background: var(--yellow-soft);
}

.student-cell {
  background: #fff;
}

.cell-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.method-text {
  margin: 0;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.34;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.rich-text {
  display: block;
  white-space: normal;
}

.rich-paragraph {
  min-height: 1.18em;
  margin: 0;
  line-height: 1.22;
  white-space: pre-wrap;
}

.rich-run {
  white-space: pre-wrap;
}

.resource-inline-link {
  color: #1d5fa3;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.cell-resources {
  display: grid;
  gap: 8px;
}

.resource-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.resource-chip {
  display: inline-flex;
  max-width: 100%;
  min-height: 30px;
  gap: 6px;
  align-items: center;
  border: 1px solid #c8d8d0;
  border-radius: 8px;
  padding: 5px 8px;
  background: #f7fbf8;
  color: var(--green);
  text-decoration: none;
  font-size: 12px;
  font-weight: 850;
}

.resource-chip small {
  min-width: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.resource-chip[data-resource-type="presentation"] {
  border-color: #d8d0ee;
  background: #f7f3ff;
  color: #5a428f;
}

.resource-chip[data-resource-type="video"],
.resource-chip[data-resource-type="audio"] {
  border-color: #f1c4ba;
  background: #fff5f2;
  color: #a23b2f;
}

.resource-chip[data-resource-type="form"] {
  border-color: #c6d6f3;
  background: #f3f7ff;
  color: #2d5b97;
}

.media-preview-grid {
  display: grid;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 126px), 1fr));
  gap: 8px;
  overflow: hidden;
}

.media-preview {
  display: grid;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.media-preview img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
  background: #f8f8f5;
}

.old-words-editor {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 4px 5px;
  background: #fff;
  color: var(--ink);
  caret-color: var(--green);
  font-size: 14px;
  line-height: 1.34;
}

.old-words-editor:focus {
  outline: 2px solid rgba(35, 116, 90, 0.34);
  outline-offset: 2px;
  border-color: #7eb89f;
  background: #fff;
}

.shortcut-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.empty-cell {
  color: var(--muted);
  font-style: italic;
}

.inline-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 10px;
  font-weight: 850;
}

.primary-button {
  border: 1px solid var(--brand-purple);
  background: var(--brand-purple);
  color: #fff;
}

.secondary-button,
.icon-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.danger-button {
  border: 1px solid #efc5bd;
  background: var(--red-soft);
  color: var(--red);
}

.primary-button:disabled,
.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.icon-button {
  display: inline-grid;
  width: 36px;
  padding: 0;
  place-items: center;
}

.bottom-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: flex;
  width: min(100%, 920px);
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.bottom-bar div {
  display: flex;
  gap: 5px;
  align-items: baseline;
  color: var(--muted);
  font-size: 12px;
}

.bottom-bar strong {
  color: var(--ink);
  font-size: 16px;
}

.drawer-backdrop,
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(21, 25, 21, 0.34);
}

.drawer-backdrop {
  z-index: 40;
}

.modal-backdrop {
  z-index: 70;
}

.basket-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  width: min(92vw, 440px);
  transform: translateX(104%);
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  overflow: auto;
  border-left: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(101, 17, 68, 0.08), rgba(255, 255, 255, 0.72) 26%),
    var(--surface);
  box-shadow: var(--shadow);
  transition: transform 160ms ease-out;
}

.basket-drawer.is-open {
  transform: translateX(0);
}

.drawer-header,
.section-heading {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.drawer-section {
  display: grid;
  gap: 8px;
}

.basket-list {
  display: grid;
  gap: 6px;
}

.basket-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
}

.basket-item strong,
.basket-item span {
  display: block;
  overflow-wrap: anywhere;
}

.basket-item span {
  color: var(--muted);
  font-size: 12px;
}

.words-editor {
  width: 100%;
  min-height: 170px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.35;
}

.words-editor.words-editor-compact {
  min-height: 108px;
  max-height: min(75vh, 568px);
}

.words-panel.is-minimized .words-editor.words-editor-compact {
  height: 108px;
  max-height: 108px;
}

.words-panel.is-fit {
  max-height: min(90vh, 760px);
}

.telegram-heading {
  display: grid;
  gap: 6px;
}

.preview-toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 900;
  text-align: left;
}

.telegram-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 6px;
}

.telegram-messages {
  display: grid;
  gap: 10px;
}

.telegram-message {
  display: grid;
  gap: 6px;
}

.telegram-message textarea {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--ink);
  background: #fff;
  font-size: 14px;
  line-height: 1.35;
}

.telegram-rich-preview {
  min-height: 150px;
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
  color: var(--ink);
}

.telegram-rich-preview:focus {
  outline: 2px solid rgba(35, 116, 90, 0.28);
  outline-offset: 2px;
}

.telegram-rich-block {
  display: grid;
  gap: 0;
}

.telegram-rich-gap {
  min-height: 1.2em;
}

.word-dialog {
  position: fixed;
  top: 50%;
  left: min(50%, 280px);
  z-index: 80;
  display: grid;
  width: min(calc(100vw - 24px), 430px);
  max-height: calc(100vh - 24px);
  transform: translate(-50%, -50%);
  gap: 12px;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.assistant-rules-dialog {
  left: 50%;
  width: min(calc(100vw - 24px), 760px);
}

.assistant-rules-body {
  display: grid;
  gap: 10px;
}

.field .assistant-rules-textarea {
  min-height: min(42vh, 360px);
  resize: vertical;
  overflow: auto !important;
  font-family: inherit;
  line-height: 1.38;
}

.assistant-rules-test {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}

#assistantRulesTestResult span {
  white-space: pre-wrap;
}

.word-form,
.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
}

.field input {
  padding-top: 0;
  padding-bottom: 0;
}

.field textarea {
  resize: vertical;
  overflow: hidden;
  line-height: 1.35;
}

.field select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.assistant-status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 0 9px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.assistant-status[data-mode="llm"] {
  background: var(--blue-soft);
  color: var(--blue);
}

.assistant-status[data-mode="checking"] {
  background: var(--yellow-soft);
  color: var(--yellow);
}

.assistant-status[data-mode="fallback"] {
  background: var(--red-soft);
  color: var(--red);
}

.word-suggestion {
  display: grid;
  gap: 4px;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.word-suggestion strong {
  color: var(--ink);
}

.word-suggestion strong.is-warning {
  color: var(--yellow);
}

.dialog-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.toast {
  position: fixed;
  bottom: 76px;
  left: 10px;
  z-index: 90;
  transform: translateY(16px);
  padding: 10px 12px;
  border-radius: 8px;
  background: #23251f;
  color: #fff;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease-out, transform 120ms ease-out;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.help-shell {
  display: grid;
  width: min(100%, 980px);
  gap: 12px;
  padding: 12px;
}

.help-header,
.help-hero,
.help-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.95);
}

.help-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  backdrop-filter: blur(12px);
}

.help-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 16px;
}

.help-hero p:not(.eyebrow) {
  max-width: 680px;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.help-grid {
  display: grid;
  gap: 10px;
}

.help-card {
  padding: 12px;
}

.scenario-card {
  display: grid;
  grid-template-columns: minmax(170px, 0.42fr) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.scenario-copy {
  display: grid;
  gap: 8px;
}

.scenario-copy ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
  color: var(--ink);
  line-height: 1.42;
}

.help-shortcuts,
.shortcut-grid {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

kbd {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border: 1px solid #c9d0c6;
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 0 7px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.shortcuts-card {
  display: grid;
  gap: 10px;
}

.legal-links-card {
  display: grid;
  gap: 10px;
}

.legal-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.legal-link-grid a {
  display: flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--surface-soft);
  color: var(--accent-plum);
  font-weight: 900;
  text-decoration: none;
}

.legal-link-grid a:hover {
  border-color: var(--accent-plum);
  background: #fff;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 8px;
}

.shortcut-row {
  display: grid;
  grid-template-columns: minmax(120px, auto) minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.3;
}

.mini-shot {
  display: grid;
  gap: 7px;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px;
  background:
    linear-gradient(90deg, rgba(35, 116, 90, 0.08), transparent 45%),
    #fbfcf8;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.mini-top,
.mini-actions,
.mini-row,
.mini-columns,
.mini-drawer {
  display: flex;
  gap: 6px;
  align-items: center;
}

.mini-top {
  justify-content: space-between;
}

.mini-top span,
.mini-row span,
.mini-drawer span,
.mini-textarea span {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: #cfdacf;
}

.mini-top span {
  width: 30px;
  height: 26px;
  border-radius: 8px;
  background: var(--green);
}

.mini-top strong {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.mini-top button,
.mini-actions button,
.mini-row button {
  width: 46px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--green);
  font-size: 10px;
  font-weight: 900;
}

.mini-actions {
  justify-content: flex-end;
}

.mini-actions button {
  width: 54px;
}

.mini-row {
  min-height: 30px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  padding: 5px;
  background: #fff;
}

.mini-row.used {
  background: var(--green-soft);
}

.mini-row.open {
  align-items: stretch;
}

.mini-row b {
  font-size: 12px;
}

.mini-row span {
  flex: 1;
}

.mini-row i {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--green);
  font-style: normal;
  font-weight: 900;
}

.mini-columns {
  align-items: stretch;
}

.mini-columns div {
  min-height: 72px;
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.mini-columns div:first-child {
  background: var(--yellow-soft);
}

.mini-textarea,
.mini-field,
.mini-message {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.mini-textarea {
  display: grid;
  gap: 8px;
  min-height: 92px;
  align-content: start;
  padding: 10px;
}

.mini-textarea span:nth-child(1) {
  width: 88%;
}

.mini-textarea span:nth-child(2) {
  width: 72%;
}

.mini-textarea span:nth-child(3) {
  width: 54%;
}

.mini-textarea .cursor {
  width: 2px;
  height: 18px;
  background: var(--green);
}

.mini-textarea.done span::before {
  content: "";
  display: inline-block;
  width: 15px;
  height: 15px;
  margin-right: 6px;
  transform: translateY(3px);
  border-radius: 50%;
  background: var(--green-soft);
}

.dialog-mini {
  align-content: center;
}

.mini-field {
  min-height: 28px;
}

.mini-field.active {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(35, 116, 90, 0.14);
}

.mini-arrow {
  color: var(--green);
  font-size: 20px;
  font-weight: 900;
  text-align: center;
}

.mini-drawer {
  display: grid;
  min-height: 100px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px;
  background: #fff;
}

.mini-drawer span {
  width: 100%;
}

.mini-drawer span:nth-child(2) {
  width: 82%;
}

.mini-drawer span:nth-child(3) {
  width: 62%;
}

.mini-message {
  min-height: 32px;
  background: var(--green-soft);
}

@media (max-width: 780px) {
  .topbar {
    gap: 6px;
    padding: 8px;
  }

  .topbar-main {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .topbar-tools {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: end;
  }

  .brand {
    width: auto;
    grid-template-columns: auto;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand strong,
  .brand span {
    display: none;
  }

  .current-lesson strong {
    font-size: 13px;
  }

  .current-lesson .lesson-stats {
    margin-top: 3px;
  }

  .topbar-actions {
    align-self: center;
  }

  .transport-status {
    min-height: 22px;
    padding: 0 6px;
    font-size: 10px;
  }

  .topbar-actions .secondary-button,
  .topbar-actions .primary-button {
    min-height: 36px;
  }

  .lesson-tools {
    display: flex;
    gap: 4px;
    align-items: end;
    flex-wrap: nowrap;
  }

  .toolbar-icon-button,
  .icon-action {
    width: 36px;
    min-height: 36px;
  }

  .segmented-control {
    width: auto;
    grid-template-columns: repeat(3, 34px);
  }

  .segmented-control button {
    min-width: 0;
    padding: 0;
    font-size: 0;
  }

  .segmented-control button::before {
    font-size: 15px;
    line-height: 1;
  }

  .segmented-control button[data-layout-mode="two_columns"]::before {
    content: "▦";
  }

  .segmented-control button[data-layout-mode="stacked"]::before {
    content: "▤";
  }

  .segmented-control button[data-layout-mode="student_focus"]::before {
    content: "▣";
  }

  .vocabulary-tools {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px;
    align-items: end;
    justify-content: stretch;
  }

  .words-toggle-stack {
    position: relative;
    display: block;
  }

  .word-stats {
    position: absolute;
    top: -9px;
    right: -5px;
    z-index: 1;
  }

  .word-count-pill {
    min-height: 18px !important;
    padding: 0 6px !important;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.96);
    font-size: 10px !important;
  }

  .word-count-pill span {
    display: none;
  }

  .toggle-button {
    min-height: 36px;
    padding: 0 12px;
  }

  .quick-word-label > span {
    display: none;
  }

  .quick-word-label input,
  .quick-word-submit {
    min-height: 36px;
  }

  .quick-word-form {
    width: 100%;
  }

  .words-panel {
    gap: 6px;
    padding: 8px;
  }

  .words-panel-toolbar {
    align-items: center;
  }

  .words-panel-title-group {
    gap: 6px;
  }

  .words-panel-title-group .eyebrow,
  .words-panel .shortcut-hint {
    display: none;
  }

  .words-panel .inline-actions {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .words-panel .inline-actions button {
    width: 34px;
    min-height: 32px;
    padding: 0;
    font-size: 0;
  }

  .words-panel .inline-actions button::before {
    font-size: 15px;
    line-height: 1;
  }

  #copyMainCurrentWordButton::before {
    content: "↵";
  }

  #copyMainWordsButton::before {
    content: "▦";
  }

  #formatMainWordsButton::before {
    content: "✦";
  }

  #newWordButton::before {
    content: "+";
    font-size: 18px;
  }

  .words-panel-title-group h2 {
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .topbar-main {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .settings-panel {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    justify-content: flex-end;
  }

  .vocabulary-tools {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .quick-word-form {
    grid-column: auto;
  }

  .lesson-tools {
    justify-content: stretch;
  }

  .assistant-rules-test {
    grid-template-columns: 1fr;
  }

  .topbar-actions button,
  .topbar-actions a {
    flex: 0 0 auto;
  }

  .transport-status {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .icon-action {
    flex: 0 0 42px !important;
  }

  .segmented-control {
    grid-column: auto;
    width: auto;
  }

  .lesson-stats {
    justify-content: flex-end;
  }

  .segmented-control button {
    padding: 0;
  }

  .row-head {
    grid-template-columns: 1fr;
  }

  .row-columns {
    gap: 6px;
  }

  .method-cell {
    padding: 6px;
  }

  .row-toggle {
    grid-template-columns: auto auto minmax(0, 1fr) auto;
  }

  .row-toggle .status-pill {
    display: none;
  }

  .row-actions {
    justify-content: stretch;
  }

  .row-actions button {
    flex: 1 1 0;
  }

  .help-header,
  .help-hero,
  .scenario-card {
    grid-template-columns: 1fr;
  }

  .help-header {
    align-items: stretch;
    flex-direction: column;
  }

  .help-hero {
    align-items: stretch;
  }

  .shortcut-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .row-columns {
    grid-template-columns: 1fr;
  }
}