:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-muted: #efeee8;
  --border: #d9d6cc;
  --text: #242424;
  --muted: #67645c;
  --teal: #0f766e;
  --teal-soft: #d8eeea;
  --green: #2f7d32;
  --blue: #1f6feb;
  --blue-dark: #1858c7;
  --amber: #b45309;
  --red: #b42318;
  --shadow: 0 14px 36px rgba(36, 36, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
}

.sidebar {
  min-height: 100vh;
  padding: 24px 18px;
  background: #fbfaf6;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 22px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: white;
  font-weight: 800;
}

.brand-name {
  font-weight: 800;
  line-height: 1.2;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.nav-list {
  display: grid;
  gap: 5px;
}

.nav-link {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.nav-link.active {
  color: var(--text);
  background: var(--teal-soft);
  border-color: #a8d8d0;
}

.nav-index {
  min-width: 30px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.content {
  min-width: 0;
  padding: 28px;
}

.topbar {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--teal-soft);
  color: #0b5d57;
  font-size: 13px;
  font-weight: 700;
}

.language-select {
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0 10px;
}

.page-header {
  display: grid;
  gap: 10px;
  max-width: 960px;
  margin-bottom: 22px;
}

.page-kicker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.page-title {
  margin: 0;
  font-size: 30px;
  line-height: 1.15;
}

.page-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 720px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric {
  min-height: 134px;
  padding: 16px;
  display: grid;
  align-content: space-between;
  gap: 12px;
}

.metric-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric-value {
  font-size: 24px;
  line-height: 1.15;
  font-weight: 800;
}

.metric-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.route-panel {
  padding: 18px;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.route-item {
  min-height: 70px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: #fffdf8;
  display: grid;
  gap: 6px;
}

.route-name {
  font-weight: 800;
}

.route-state {
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
}

.error-text {
  color: var(--red);
}

.success-text {
  color: var(--green);
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--blue);
  font-weight: 700;
  padding: 4px;
}

.text-button.inline {
  padding: 0;
}

.text-button.danger {
  color: var(--red);
}

.primary-button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 800;
  font-size: 17px;
  width: 100%;
  box-shadow: 0 10px 24px rgba(31, 111, 235, 0.22);
}

.primary-button.compact {
  width: auto;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
}

.primary-button:hover {
  background: var(--blue-dark);
}

.auth-page {
  min-height: 100vh;
  background: #fbfaf7;
}

.auth-header {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 28px;
  font-weight: 900;
}

.auth-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: #fff;
  font-size: 21px;
}

.auth-layout {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 560px);
}

.auth-story {
  padding: min(12vh, 112px) clamp(32px, 7vw, 96px);
  border-right: 1px solid var(--border);
}

.auth-story h1 {
  max-width: 560px;
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.18;
}

.auth-story > p {
  max-width: 500px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 18px;
  margin: 22px 0 0;
}

.auth-accent {
  width: 52px;
  height: 4px;
  border-radius: 999px;
  background: var(--teal);
  margin: 26px 0 48px;
}

.auth-steps {
  display: grid;
  gap: 28px;
}

.auth-step {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  gap: 22px;
}

.auth-step-icon {
  width: 68px;
  height: 68px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  border: 1px solid #b9ded8;
  font-weight: 900;
  font-size: 22px;
}

.auth-step strong {
  display: block;
  font-size: 18px;
  margin-bottom: 7px;
}

.auth-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.auth-card {
  align-self: center;
  justify-self: center;
  width: min(100% - 48px, 560px);
  padding: 34px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}

.auth-tab {
  min-height: 48px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  font-size: 18px;
  border-bottom: 3px solid transparent;
}

.auth-tab.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.auth-form {
  display: grid;
  gap: 18px;
}

.auth-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
}

.auth-form input {
  width: 100%;
  height: 46px;
  border: 1px solid #cfd2d7;
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  padding: 0 12px;
  font: inherit;
}

.auth-form input:focus {
  outline: 3px solid rgba(31, 111, 235, 0.18);
  border-color: var(--blue);
}

.auth-links {
  min-height: 36px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.alert {
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 14px;
  font-weight: 700;
}

.alert.error {
  color: var(--red);
  background: #fff1f0;
  border: 1px solid #ffccc7;
}

.alert.warning {
  color: var(--amber);
  background: #fff8e8;
  border: 1px solid #f5d08a;
}

.alert.success {
  color: var(--green);
  background: #f1fbf6;
  border: 1px solid #b8e2c7;
}

.token-box {
  display: grid;
  gap: 9px;
  border: 1px solid #a8d8d0;
  background: #f0fbf9;
  border-radius: 8px;
  padding: 13px;
  margin-bottom: 16px;
}

.token-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.token-box code {
  overflow-wrap: anywhere;
  color: #075e54;
}

.token-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.auth-current {
  display: grid;
  gap: 16px;
}

.auth-current h2 {
  margin: 0;
  font-size: 22px;
}

.dashboard-page {
  display: grid;
  gap: 22px;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.dashboard-header h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.15;
}

.dashboard-header p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.dashboard-metric {
  min-height: 130px;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.dashboard-metric-value {
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
}

.dashboard-metric-unit {
  margin-left: 6px;
  color: var(--muted);
  font-weight: 700;
}

.dashboard-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 330px);
  gap: 18px;
  align-items: start;
}

.dashboard-workspace {
  display: grid;
  gap: 14px;
}

.draft-banner {
  min-height: 88px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #f0fbf9;
  border-color: #a8d8d0;
}

.draft-banner p {
  margin: 7px 0 0;
  color: var(--muted);
}

.section-heading {
  margin-bottom: 12px;
}

.section-heading h2 {
  margin: 0;
  font-size: 24px;
}

.section-heading p {
  margin: 8px 0 0;
  color: var(--muted);
}

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

.course-card {
  min-height: 126px;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) minmax(180px, 0.9fr) minmax(150px, 0.8fr) minmax(190px, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.course-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.course-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.course-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 7px;
  border: 1px solid #cfd2d7;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.course-status.ready {
  color: #047857;
  background: #edfdf5;
  border-color: #a7f3d0;
}

.course-status.generating,
.course-status.draft_generating {
  color: var(--amber);
  background: #fff8e8;
  border-color: #f5d08a;
}

.course-status.failed {
  color: var(--red);
  background: #fff1f0;
  border-color: #ffccc7;
}

.course-language-badge {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 4px 9px;
  border-radius: 7px;
  border: 1px solid #cfe8e3;
  background: #f5fbfa;
  color: #0b5d57;
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.course-field-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.dashboard-progress {
  margin-top: 12px;
}

.course-recent strong {
  display: block;
  margin-top: 8px;
}

.course-question-bank,
.course-recent {
  min-width: 0;
}

.course-question-bank strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.course-actions {
  display: flex;
  justify-content: flex-end;
}

.outline-button {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--blue);
  background: #fff;
  color: var(--blue);
  font: inherit;
  font-weight: 800;
}

.outline-button.compact {
  min-height: 36px;
  padding: 0 12px;
  font-size: 14px;
}

.dashboard-empty {
  min-height: 420px;
  padding: 34px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 16px;
  text-align: center;
}

.dashboard-empty h2 {
  margin: 0;
  font-size: 28px;
}

.dashboard-empty p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.empty-illustration {
  width: 92px;
  height: 82px;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px;
  background: #f8fafc;
}

.empty-illustration span {
  display: block;
  height: 5px;
  border-radius: 999px;
  background: #b8c1d1;
}

.empty-course-form {
  width: min(100%, 560px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.empty-course-form input {
  min-height: 48px;
  width: 100%;
  border: 1px solid #cfd2d7;
  border-radius: 8px;
  padding: 0 14px;
  font: inherit;
}

.dashboard-empty small {
  color: var(--muted);
}

.learning-calendar {
  padding: 20px;
}

.learning-calendar header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.learning-calendar h2 {
  margin: 0;
  font-size: 20px;
}

.learning-calendar header span {
  color: var(--muted);
  font-weight: 800;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  text-align: center;
}

.calendar-weekdays {
  color: var(--muted);
  font-weight: 800;
  margin-bottom: 10px;
}

.calendar-grid span {
  min-height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  position: relative;
  color: var(--text);
}

.calendar-grid span.muted {
  color: #8d96aa;
}

.calendar-grid span.learned::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #0aa36f;
  position: absolute;
  bottom: 1px;
}

.calendar-note {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.calendar-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  display: inline-block;
  background: #0aa36f;
  margin-right: 7px;
}

.clarification-page {
  display: grid;
  grid-template-columns: minmax(250px, 310px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.clarification-progress {
  min-height: calc(100vh - 112px);
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 34px;
}

.clarification-progress h2 {
  margin: 0;
  font-size: 24px;
}

.clarification-progress p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.clarification-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 24px;
}

.clarification-steps li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  color: var(--muted);
}

.clarification-steps li > span {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #b8c1d1;
  color: #fff;
  font-weight: 900;
}

.clarification-steps li.completed > span,
.clarification-steps li.current > span {
  background: #0aa36f;
}

.clarification-steps strong {
  display: block;
  color: var(--text);
}

.clarification-steps small {
  display: block;
  margin-top: 5px;
}

.clarification-steps li.current small {
  color: #0a8f63;
  font-weight: 800;
}

.clarification-rule {
  border: 1px solid #a8d8d0;
  background: #f0fbf9;
  border-radius: 8px;
  padding: 14px;
}

.clarification-rule strong {
  display: block;
}

.clarification-workspace {
  min-width: 0;
}

.topic-panel,
.question-panel,
.confirm-panel,
.clarification-summary,
.clarification-record {
  padding: 28px;
}

.topic-header,
.question-panel-header,
.confirm-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.topic-header h1,
.question-panel-header h1,
.confirm-header h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.15;
}

.topic-header p,
.question-panel-header p,
.confirm-header p {
  margin: 9px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.topic-form {
  display: grid;
  gap: 18px;
}

.topic-form label,
.supplement-box {
  display: grid;
  gap: 9px;
  font-weight: 800;
}

.topic-form textarea,
.supplement-box textarea {
  width: 100%;
  min-height: 116px;
  resize: vertical;
  border: 1px solid #cfd2d7;
  border-radius: 8px;
  padding: 14px;
  color: var(--text);
  font: inherit;
  line-height: 1.6;
}

.topic-form textarea:focus,
.supplement-box textarea:focus {
  outline: 3px solid rgba(31, 111, 235, 0.18);
  border-color: var(--blue);
}

.topic-form-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.topic-form-footer span {
  color: var(--muted);
}

.clarification-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 18px;
  align-items: start;
}

.clarification-answer-form {
  display: grid;
  gap: 14px;
}

.clarification-question-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.clarification-question-card header {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.clarification-question-card header > span {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #0aa36f;
  color: #fff;
  font-weight: 900;
}

.clarification-question-card h2 {
  margin: 0;
  font-size: 19px;
}

.clarification-question-card small {
  color: var(--muted);
  font-weight: 800;
}

.clarification-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 10px;
}

.clarification-option {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid #d6dbe3;
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  color: #374151;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
}

.clarification-option input {
  accent-color: #0aa36f;
}

.clarification-option.selected,
.clarification-option:has(input:checked) {
  color: #047857;
  border-color: #0aa36f;
  background: #f1fbf7;
}

.clarification-option em {
  border-radius: 7px;
  background: #dff7eb;
  color: #047857;
  padding: 2px 6px;
  font-size: 12px;
  font-style: normal;
  white-space: nowrap;
}

.recommend-reason {
  margin: 12px 0 0;
  border-radius: 8px;
  background: #edf7f3;
  color: #0b5d57;
  padding: 10px 12px;
  line-height: 1.6;
}

.supplement-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}

.supplement-box textarea {
  min-height: 92px;
}

.clarification-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.clarification-actions .primary-button {
  min-width: 240px;
}

.clarification-summary h2,
.clarification-record h2 {
  margin: 0;
  font-size: 21px;
}

.clarification-summary > p {
  margin: 9px 0 18px;
  color: var(--muted);
  line-height: 1.6;
}

.summary-list,
.result-summary {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.summary-list div,
.result-summary div {
  min-height: 62px;
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.summary-list div:last-child,
.result-summary div:last-child {
  border-bottom: 0;
}

.summary-list span,
.result-summary span {
  color: var(--muted);
  font-weight: 800;
}

.summary-list strong,
.result-summary strong {
  overflow-wrap: anywhere;
}

.clarification-hint,
.confirm-warning {
  margin: 18px 0 0;
  border: 1px solid #f5d08a;
  border-radius: 8px;
  background: #fff8e8;
  color: var(--amber);
  padding: 12px;
  line-height: 1.6;
  font-weight: 700;
}

.record-list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.record-list article {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
}

.record-list article > span {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: #0aa36f;
  font-size: 13px;
  font-weight: 900;
}

.record-list strong {
  display: block;
  line-height: 1.5;
}

.record-list p,
.record-list small {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.generation-page {
  display: grid;
  gap: 26px;
}

.generation-header h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.15;
}

.generation-header p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.generation-layout {
  display: grid;
  grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.generation-steps {
  min-height: 430px;
  padding: 28px;
}

.generation-steps ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 30px;
}

.generation-steps li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  color: var(--muted);
}

.generation-steps li > span {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #b8c1d1;
  color: #fff;
  font-weight: 900;
}

.generation-steps li.completed > span {
  background: #0aa36f;
}

.generation-steps li.running > span {
  background: var(--blue);
}

.generation-steps li.failed > span {
  background: #ff3b3b;
}

.generation-steps strong {
  display: block;
  color: var(--text);
  font-size: 18px;
}

.generation-steps small {
  display: inline-flex;
  margin-top: 7px;
  border-radius: 7px;
  background: #eef1f6;
  color: var(--muted);
  padding: 3px 8px;
  font-weight: 800;
}

.generation-steps li.completed small {
  color: #047857;
  background: #edfdf5;
}

.generation-steps li.running small {
  color: var(--blue);
  background: #eaf2ff;
}

.generation-steps li.failed small {
  color: var(--red);
  background: #fff1f0;
}

.generation-workspace {
  display: grid;
  gap: 18px;
}

.generation-course-banner {
  min-height: 118px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.generation-course-banner > div:last-child {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.generation-course-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.generation-course-icon {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 30px;
  font-weight: 900;
}

.generation-page.failed .generation-course-icon {
  background: #ffe3e3;
  color: #ff3b3b;
}

.generation-page.ready .generation-course-icon {
  background: #edfdf5;
  color: #047857;
}

.generation-course-banner h2 {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 27px;
}

.generation-status-panel {
  padding: 28px;
}

.generation-progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 18px;
  font-weight: 800;
}

.generation-progress-row strong {
  color: #0aa36f;
  font-size: 28px;
}

.generation-progress {
  height: 11px;
  margin-bottom: 26px;
}

.generation-message {
  border: 1px solid #a8d8d0;
  border-radius: 8px;
  background: #f0fbf9;
  padding: 22px 24px;
  display: grid;
  gap: 8px;
}

.generation-message.failed {
  border-color: #ffb5b5;
  background: #fff6f6;
}

.generation-message strong {
  font-size: 22px;
}

.generation-message p,
.generation-message small {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.generation-message.failed strong {
  color: var(--red);
}

.generation-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.generation-actions .primary-button,
.generation-actions .outline-button {
  min-width: 220px;
}

.generation-missing {
  width: min(100%, 720px);
  padding: 32px;
  display: grid;
  gap: 16px;
}

.generation-missing h1 {
  margin: 0;
}

.generation-missing p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.lesson-page {
  display: grid;
  gap: 18px;
}

.lesson-course-header {
  min-height: 92px;
  padding: 18px 22px;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(260px, 420px) auto;
  gap: 22px;
  align-items: center;
}

.lesson-course-title {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.lesson-course-icon {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--teal-soft);
  color: var(--teal);
  font-weight: 900;
  font-size: 20px;
}

.lesson-course-title h1 {
  margin: 0;
  font-size: 25px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.lesson-course-title p {
  margin: 7px 0 0;
  color: var(--muted);
}

.lesson-course-progress {
  display: grid;
  grid-template-columns: auto auto minmax(120px, 1fr);
  gap: 10px;
  align-items: center;
  font-weight: 800;
}

.lesson-course-progress strong {
  color: #0aa36f;
  font-size: 22px;
}

.lesson-course-progress small {
  grid-column: 1 / -1;
  color: var(--muted);
}

.lesson-progress-track {
  height: 9px;
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(230px, 280px) minmax(0, 1fr) minmax(260px, 320px);
  gap: 18px;
  align-items: start;
}

.lesson-catalog {
  min-height: calc(100vh - 180px);
  padding: 22px;
}

.lesson-catalog h2,
.lesson-chat-panel h2,
.lesson-question-bank h2 {
  margin: 0;
  font-size: 20px;
}

.lesson-catalog ol {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}

.lesson-catalog button {
  width: 100%;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 8px 10px;
  color: var(--text);
}

.lesson-catalog button:hover {
  background: #f3f7f5;
}

.lesson-catalog button.current {
  background: #e8f7ee;
  border-color: #b8e2c7;
  color: #047857;
}

.lesson-catalog button > span {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid #8d96aa;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.lesson-catalog button.completed > span {
  border-color: #0aa36f;
  background: #0aa36f;
  color: #fff;
}

.lesson-catalog strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.lesson-content {
  padding: 26px;
}

.lesson-content-header span {
  color: var(--muted);
  font-weight: 800;
}

.lesson-content-header h2 {
  margin: 8px 0 22px;
  font-size: 28px;
  line-height: 1.2;
}

.lesson-objectives {
  border: 1px solid #b9ded8;
  background: #f5fbfa;
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 22px;
}

.lesson-objectives h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.lesson-objectives ul,
.lesson-list {
  margin: 0;
  padding-left: 20px;
  line-height: 1.8;
}

.lesson-blocks {
  display: grid;
  gap: 18px;
}

.lesson-block-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.lesson-paragraph {
  margin: 0;
  color: #343434;
  line-height: 1.8;
}

.lesson-table-wrap {
  margin: 0;
  overflow-x: auto;
}

.lesson-table-wrap figcaption {
  margin-bottom: 8px;
  color: var(--muted);
  font-weight: 800;
}

.lesson-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.lesson-table th,
.lesson-table td {
  border: 1px solid #dce3eb;
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

.lesson-table th {
  background: #f3f6f9;
}

.lesson-code {
  margin: 0;
  border: 1px solid #dce3eb;
  border-radius: 8px;
  background: #f8fafc;
  padding: 14px;
  overflow-x: auto;
  line-height: 1.6;
}

.lesson-code code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
}

.lesson-image {
  margin: 0;
  border: 1px solid #dce3eb;
  border-radius: 8px;
  overflow: hidden;
  background: #fbfdff;
}

.lesson-image img {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  background: #f8fafc;
}

.lesson-generated-image,
.lesson-image-fallback {
  min-height: 180px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
}

.lesson-generated-image {
  background: #f0fbf9;
  color: var(--teal);
}

.lesson-generated-image span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.lesson-image-fallback {
  display: none;
  background: #fff8e8;
  color: var(--amber);
}

.lesson-image.failed img {
  display: none;
}

.lesson-image.failed .lesson-image-fallback {
  display: grid;
}

.lesson-image figcaption {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid #dce3eb;
}

.lesson-callout {
  border: 1px solid #f5d08a;
  border-radius: 8px;
  background: #fff8e8;
  padding: 14px 16px;
}

.lesson-callout strong {
  color: var(--amber);
}

.lesson-callout p {
  margin: 8px 0 0;
  line-height: 1.7;
}

.lesson-risk-note {
  margin-top: 22px;
  border: 1px solid #f5d08a;
  border-radius: 8px;
  background: #fff8e8;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  color: var(--amber);
  font-weight: 800;
}

.lesson-risk-note span {
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  display: grid;
  place-items: center;
}

.lesson-risk-note p {
  margin: 0;
}

.content-feedback {
  margin-top: 22px;
  border: 1px solid #f5d08a;
  border-radius: 8px;
  background: #fff8e8;
  padding: 12px;
  display: grid;
  gap: 12px;
}

.content-feedback.always-open {
  margin-top: 0;
  background: #ffffff;
}

.content-feedback-risk {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--amber);
  font-weight: 800;
}

.content-feedback-risk > span {
  width: 22px;
  min-width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  display: grid;
  place-items: center;
}

.content-feedback-risk p {
  min-width: 0;
  flex: 1;
  margin: 0;
  line-height: 1.5;
}

.content-feedback-form {
  display: grid;
  gap: 10px;
}

.content-feedback-form h3 {
  margin: 0;
  font-size: 17px;
}

.content-feedback-form textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  border: 1px solid #d4dbe8;
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font: inherit;
  line-height: 1.5;
  background: #ffffff;
}

.content-feedback-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.content-feedback-actions span,
.content-feedback-note {
  color: var(--muted);
  font-size: 13px;
}

.content-feedback-status {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
}

.content-feedback-status.error {
  color: var(--red);
}

.content-feedback-status.success {
  color: var(--green);
}

.content-feedback-note {
  margin: 0;
  line-height: 1.5;
}

.lesson-side {
  display: grid;
  gap: 18px;
}

.lesson-chat-panel,
.lesson-question-bank {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.lesson-chat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.lesson-chat-header span {
  border: 1px solid #b8e2c7;
  border-radius: 999px;
  background: #e8f7ee;
  color: #047857;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.lesson-chat-panel p,
.lesson-question-bank p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.lesson-chat-history {
  max-height: 380px;
  overflow-y: auto;
  display: grid;
  gap: 12px;
  padding-right: 2px;
}

.lesson-chat-empty {
  border: 1px dashed #dce3eb;
  border-radius: 8px;
  padding: 12px;
  background: #fbfdff;
}

.lesson-chat-message {
  border: 1px solid #dce3eb;
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 7px;
}

.lesson-chat-message.user {
  margin-left: 22px;
  border-color: #c6ebe2;
  background: #eefbf7;
}

.lesson-chat-message.assistant {
  margin-right: 12px;
  background: #fff;
}

.lesson-chat-message strong {
  font-size: 13px;
  color: var(--text);
}

.lesson-chat-message p {
  color: var(--text);
  overflow-wrap: anywhere;
}

.lesson-chat-message small {
  color: var(--muted);
  line-height: 1.5;
}

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

.lesson-chat-panel textarea {
  min-height: 128px;
  width: 100%;
  border: 1px solid #dce3eb;
  border-radius: 8px;
  resize: vertical;
  padding: 12px;
  font: inherit;
  line-height: 1.6;
}

.lesson-chat-panel textarea:focus {
  outline: 3px solid rgba(31, 111, 235, 0.18);
  border-color: var(--blue);
}

.lesson-chat-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.lesson-chat-actions span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.lesson-chat-error {
  margin: 0;
}

.question-bank-state {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.question-bank-state span {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 3px solid #d7dde6;
  border-top-color: #0aa36f;
}

.lesson-question-bank.generating .question-bank-state span {
  animation: spin 1s linear infinite;
}

.lesson-question-bank.ready .question-bank-state span {
  border: 0;
  background: #0aa36f;
}

.lesson-question-bank.failed .question-bank-state span {
  border: 0;
  background: var(--red);
}

.question-bank-state small {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  border: 1px solid #f5d08a;
  border-radius: 7px;
  background: #fff8e8;
  color: var(--amber);
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 800;
}

.question-bank-progress {
  display: grid;
  gap: 8px;
}

.question-bank-progress strong {
  color: var(--text);
  font-size: 14px;
}

.question-bank-progress .progress-track {
  height: 8px;
}

.question-bank-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.question-bank-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.question-bank-steps span {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #e8edf5;
  color: #5d6677;
  font-size: 12px;
  font-weight: 900;
}

.question-bank-steps li.done span,
.question-bank-steps li.current span {
  background: #0aa36f;
  color: #fff;
}

.question-bank-steps li.current strong {
  color: #047857;
}

.question-bank-failure {
  border: 1px solid #f3c5c5;
  border-radius: 8px;
  background: #fff5f5;
  padding: 10px 12px;
  color: var(--red);
}

.question-bank-actions {
  display: grid;
  gap: 10px;
}

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

.lesson-message {
  width: min(100%, 720px);
  padding: 32px;
  display: grid;
  gap: 16px;
}

.lesson-message h1,
.lesson-message p {
  margin: 0;
}

.lesson-message p {
  color: var(--muted);
  line-height: 1.7;
}

.practice-page {
  display: grid;
  gap: 18px;
}

.practice-course-header {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.practice-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.practice-badges span,
.practice-badges strong {
  border: 1px solid #b8e2c7;
  border-radius: 6px;
  padding: 7px 12px;
  background: #f1fbf6;
  color: #047857;
  font-size: 14px;
  font-weight: 900;
}

.practice-badges strong {
  border-color: #bcd4ff;
  background: #f5f8ff;
  color: var(--blue);
}

.practice-page.submitted .practice-badges strong {
  border-color: #b8e2c7;
  background: #f1fbf6;
  color: #047857;
}

.practice-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 270px;
  gap: 18px;
  align-items: start;
}

.practice-nav,
.practice-side {
  padding: 18px;
  display: grid;
  gap: 16px;
}

.practice-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.practice-nav-grid button {
  min-height: 48px;
  border: 1px solid #bcd4ff;
  border-radius: 6px;
  background: #f8fbff;
  color: var(--blue);
  font: inherit;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
}

.practice-nav-grid button.answered {
  background: #eef5ff;
}

.practice-nav-grid button.correct {
  border-color: #8fd4a8;
  background: #f1fbf6;
  color: #047857;
}

.practice-nav-grid button.wrong {
  border-color: #ffb4b4;
  background: #fff6f6;
  color: var(--red);
}

.practice-workspace {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.practice-workspace-header h2,
.practice-workspace-header p,
.practice-summary h2,
.practice-summary p {
  margin: 0;
}

.practice-workspace-header p,
.practice-summary p,
.practice-note,
.practice-expansion p {
  color: var(--muted);
  line-height: 1.6;
}

.practice-question-list {
  display: grid;
  gap: 14px;
}

.practice-question-card {
  border: 1px solid #dce3eb;
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 12px;
  background: #fff;
}

.practice-question-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.practice-question-heading h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

.practice-question-heading span {
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 900;
}

.practice-question-heading span.correct {
  border: 1px solid #b8e2c7;
  background: #f1fbf6;
  color: #047857;
}

.practice-question-heading span.wrong {
  border: 1px solid #ffb4b4;
  background: #fff6f6;
  color: var(--red);
}

.practice-options {
  display: grid;
  gap: 8px;
}

.practice-option {
  min-height: 42px;
  border: 1px solid #dce3eb;
  border-radius: 6px;
  padding: 9px 12px;
  display: grid;
  grid-template-columns: auto 26px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  cursor: pointer;
}

.practice-option input {
  margin: 0;
}

.practice-option span {
  width: 24px;
  height: 24px;
  border: 1px solid #c9d3df;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
}

.practice-option strong {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.practice-option em {
  font-style: normal;
  font-weight: 900;
}

.practice-option.selected {
  border-color: #8db6ff;
  background: #f6f9ff;
}

.practice-option.correct {
  border-color: #a8dfbb;
  background: #f1fbf6;
}

.practice-option.wrong {
  border-color: #ffb4b4;
  background: #fff6f6;
}

.practice-option.correct em,
.practice-option.correct span {
  color: #047857;
}

.practice-option.wrong em,
.practice-option.wrong span {
  color: var(--red);
}

.practice-explanation {
  border-top: 1px solid #e8edf5;
  padding-top: 12px;
  display: grid;
  gap: 6px;
}

.practice-explanation p {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.practice-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.practice-result-grid div {
  display: grid;
  gap: 4px;
}

.practice-result-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.practice-result-grid strong {
  color: var(--blue);
  font-size: 26px;
}

.practice-result-grid div:first-child strong {
  color: #0a944f;
}

.practice-result-grid div:nth-child(2) strong {
  color: var(--red);
}

.practice-progress {
  height: 8px;
}

.practice-actions {
  display: grid;
  gap: 10px;
}

.practice-actions .primary-button,
.practice-actions .outline-button {
  width: 100%;
}

.practice-expansion {
  border: 1px solid #dce3eb;
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: center;
  background: #fbfdff;
}

.practice-expansion span {
  width: 20px;
  height: 20px;
  border: 3px solid #d7dde6;
  border-top-color: var(--blue);
  border-radius: 999px;
}

.practice-expansion p {
  grid-column: 2;
  margin: 0;
}

.practice-expansion.queued span,
.practice-expansion.running span {
  animation: spin 1s linear infinite;
}

.practice-expansion.succeeded span {
  border: 0;
  background: #0aa36f;
}

.practice-expansion.failed span {
  border: 0;
  background: var(--red);
}

.onboarding-layout {
  display: grid;
  grid-template-columns: minmax(260px, 310px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.onboarding-progress {
  padding: 24px;
  display: grid;
  gap: 30px;
}

.onboarding-progress h2,
.onboarding-header h1,
.question-title h2 {
  margin: 0;
}

.onboarding-progress p,
.onboarding-header p,
.question-section p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.progress-block {
  display: grid;
  gap: 10px;
}

.progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.progress-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e5ea;
}

.progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #0aa36f;
}

.outline-button.danger {
  border-color: var(--red);
  color: var(--red);
}

.management-page {
  display: grid;
  gap: 18px;
}

.management-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.management-header h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

.management-header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.management-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.management-stat {
  min-height: 84px;
  padding: 16px;
  display: grid;
  gap: 8px;
}

.management-stat span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.management-stat strong {
  font-size: 26px;
}

.management-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr);
  gap: 16px;
  align-items: start;
}

.management-list-panel {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.management-tools {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.management-tools input,
.management-rename input {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 0 12px;
  color: var(--text);
  font: inherit;
}

.management-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.management-filters button {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-weight: 800;
  padding: 0 12px;
}

.management-filters button.active {
  color: #0b5d57;
  border-color: #a8d8d0;
  background: var(--teal-soft);
}

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

.management-course {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fffdf8;
}

.management-course.selected {
  border-color: #86cfc4;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.management-course > button {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(200px, 1.2fr) minmax(170px, 0.8fr) minmax(170px, 1fr) auto;
  gap: 14px;
  align-items: center;
  text-align: left;
  color: inherit;
}

.management-course-main h2 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

.management-course-progress {
  display: grid;
  gap: 7px;
}

.management-course-progress span,
.management-course-meta span,
.management-detail-grid span,
.management-rename span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.management-course-progress strong {
  font-size: 18px;
}

.management-course-meta {
  display: grid;
  gap: 7px;
}

.management-course-action {
  justify-self: end;
  color: var(--blue);
  font-weight: 800;
}

.management-detail {
  padding: 18px;
  display: grid;
  gap: 18px;
  position: sticky;
  top: 24px;
}

.management-detail.empty {
  align-content: start;
}

.management-detail > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.management-detail header span:first-child {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.management-detail h2,
.management-detail h3,
.management-empty h2 {
  margin: 0;
}

.management-detail h2 {
  margin-top: 6px;
  font-size: 22px;
  line-height: 1.25;
}

.management-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.management-detail-grid div {
  min-height: 88px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  align-content: space-between;
  gap: 8px;
  background: #fbfaf6;
}

.profile-page {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.profile-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  min-width: 0;
}

.profile-header > div {
  min-width: 0;
}

.profile-header h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

.profile-header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.status-pill.warning {
  background: #fff8e8;
  color: var(--amber);
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: 16px;
  align-items: start;
  min-width: 0;
}

.profile-summary,
.profile-version-panel,
.profile-scope,
.profile-reset-panel {
  min-width: 0;
  padding: 18px;
}

.profile-summary {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.profile-summary-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
}

.profile-summary-header > div:first-child {
  min-width: 0;
  flex: 1 1 240px;
}

.profile-summary-header h2,
.profile-version-panel h2,
.profile-scope h2,
.profile-reset-panel h2 {
  margin: 0;
}

.profile-summary-header p {
  margin: 12px 0 0;
  color: var(--text);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.profile-version-badge {
  flex: 0 0 auto;
  min-width: 96px;
  border: 1px solid #b8e2c7;
  border-radius: 8px;
  background: #f1fbf6;
  color: var(--green);
  padding: 10px;
  display: grid;
  gap: 4px;
  text-align: center;
}

.profile-version-badge span {
  font-size: 12px;
  font-weight: 800;
}

.profile-version-badge strong {
  font-size: 22px;
}

.profile-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.profile-detail-card {
  min-height: 180px;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fffdf8;
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.profile-detail-card h3 {
  margin: 0;
  font-size: 18px;
}

.profile-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-chip-list span {
  max-width: 100%;
  min-height: 32px;
  border: 1px solid #a8d8d0;
  border-radius: 8px;
  background: var(--teal-soft);
  color: #0b5d57;
  padding: 6px 10px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.profile-depth-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.profile-depth-track span {
  height: 9px;
  border-radius: 999px;
  background: #dde3ea;
}

.profile-depth-track.beginner span:first-child,
.profile-depth-track.foundation span:nth-child(-n + 2),
.profile-depth-track.intermediate span {
  background: var(--teal);
}

.profile-style-list,
.profile-goals,
.profile-scope ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  line-height: 1.55;
}

.profile-style-list li,
.profile-goals li {
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  overflow-wrap: anywhere;
}

.profile-info-note,
.profile-reset-warning {
  border: 1px solid #bcd4ff;
  border-radius: 8px;
  background: #f8fbff;
  color: #24456f;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
}

.profile-info-note span,
.profile-reset-warning span {
  width: 22px;
  min-width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.profile-info-note p,
.profile-reset-warning p {
  min-width: 0;
  margin: 0;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.profile-side {
  display: grid;
  gap: 14px;
  min-width: 0;
  position: sticky;
  top: 24px;
}

.profile-version-panel dl {
  margin: 14px 0 0;
  display: grid;
  gap: 0;
}

.profile-version-panel dl div {
  min-height: 42px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border);
}

.profile-version-panel dt {
  color: var(--muted);
  font-weight: 800;
}

.profile-version-panel dd {
  margin: 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.profile-scope li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  min-width: 0;
  overflow-wrap: anywhere;
}

.profile-scope li span {
  color: var(--green);
  font-weight: 900;
}

.profile-reset-panel {
  display: grid;
  gap: 14px;
}

.profile-reset-warning {
  border-color: #f5d08a;
  background: #fff8e8;
  color: var(--amber);
}

.profile-reset-panel .outline-button {
  width: 100%;
}

.profile-reset-confirm {
  border: 1px solid #ffb4b4;
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 12px;
  min-width: 0;
}

.profile-reset-confirm > div:first-child,
.profile-reset-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.profile-reset-confirm p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.profile-reset-state {
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  padding: 18px;
  display: grid;
  gap: 12px;
  min-width: 0;
  background: #fbfaf6;
}

.profile-reset-state h3,
.profile-reset-state p {
  margin: 0;
  overflow-wrap: anywhere;
}

.profile-reset-state small {
  color: var(--muted);
}

.management-primary-actions,
.management-danger-actions,
.management-confirm > div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.management-rename {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.management-rename label {
  display: grid;
  gap: 7px;
}

.management-share-preview,
.management-danger-zone,
.management-confirm {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: grid;
  gap: 12px;
}

.management-share-preview p,
.management-danger-zone p,
.management-confirm p,
.management-confirm li,
.management-empty p,
.management-loading {
  color: var(--muted);
  line-height: 1.6;
}

.management-share-preview .outline-button:disabled {
  cursor: not-allowed;
  opacity: 0.68;
  border-color: var(--border);
  color: var(--muted);
}

.management-share-preview.active {
  border-top-color: #a8d8d0;
}

.management-share-link {
  display: grid;
  gap: 7px;
}

.management-share-link span,
.management-share-scope {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.management-share-link input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #b9ded8;
  border-radius: 8px;
  background: #f5fbfa;
  color: #0b5d57;
  padding: 0 12px;
  font: inherit;
}

.management-share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.management-confirm {
  border: 1px solid #f5d08a;
  border-radius: 8px;
  background: #fff8e8;
  padding: 14px;
}

.management-confirm.danger {
  border-color: #ffccc7;
  background: #fff1f0;
}

.management-confirm ul {
  margin: 0;
  padding-left: 20px;
}

.management-empty {
  min-height: 260px;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 10px;
}

.share-page {
  min-height: 100vh;
  background: #f7f6f2;
  padding: 22px;
}

.share-topbar {
  width: min(1180px, 100%);
  margin: 0 auto 18px;
  min-height: 48px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(140px, 1fr);
  gap: 16px;
  align-items: center;
}

.share-topbar > strong {
  font-size: 15px;
}

.share-topbar .status-pill {
  justify-self: end;
}

.share-course-hero {
  width: min(1180px, 100%);
  margin: 0 auto 16px;
  border: 1px solid #b9ded8;
  border-radius: 8px;
  background: #f5fbfa;
  padding: 22px;
}

.share-course-hero h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.18;
}

.share-course-hero p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.share-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.share-badges span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #cfe8e3;
  color: #0b5d57;
  padding: 4px 9px;
  font-size: 13px;
  font-weight: 800;
}

.share-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(220px, 280px);
  gap: 16px;
  align-items: start;
}

.share-catalog,
.share-side {
  position: sticky;
  top: 18px;
}

.share-catalog {
  padding: 18px;
}

.share-catalog h2,
.share-scope h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.share-catalog ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.share-catalog button {
  width: 100%;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 8px 10px;
  color: var(--text);
}

.share-catalog button:hover {
  background: #f3f7f5;
}

.share-catalog button.current {
  background: #e8f7ee;
  border-color: #b8e2c7;
  color: #047857;
}

.share-catalog button > span {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid #8d96aa;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.share-catalog strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.share-content {
  padding: 26px;
}

.share-side {
  display: grid;
  gap: 12px;
}

.share-scope {
  padding: 18px;
}

.share-scope p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.share-unavailable {
  width: min(680px, 100%);
  margin: 80px auto 0;
  padding: 30px;
  text-align: center;
}

.share-unavailable h1 {
  margin: 0 0 12px;
}

.share-unavailable p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.onboarding-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 22px;
}

.onboarding-steps li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  color: var(--muted);
}

.onboarding-steps li > span {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #c3c8d1;
  color: #ffffff;
  font-weight: 800;
}

.onboarding-steps li.completed > span,
.onboarding-steps li.current > span {
  background: #0aa36f;
}

.onboarding-steps strong {
  display: block;
  color: var(--text);
}

.onboarding-steps small {
  display: block;
  margin-top: 5px;
  color: inherit;
}

.onboarding-steps li.current small {
  color: #0a8f63;
  font-weight: 800;
}

.onboarding-form-panel {
  padding: 28px;
}

.onboarding-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.required-badge,
.question-title span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 7px;
  color: var(--red);
  border: 1px solid #ffccc7;
  background: #fff7f6;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.onboarding-form {
  display: grid;
  gap: 0;
}

.question-section {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.question-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.question-title h2 {
  font-size: 20px;
}

.choice-grid {
  margin-top: 14px;
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 10px;
}

.choice-grid.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
}

.choice-option {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid #d6dbe3;
  border-radius: 8px;
  background: #fff;
  color: #374151;
  font-weight: 750;
  text-align: center;
  cursor: pointer;
}

.choice-grid.cards .choice-option {
  min-height: 72px;
  justify-content: flex-start;
}

.choice-option input {
  accent-color: #0aa36f;
}

.choice-option.selected,
.choice-option:has(input:checked) {
  color: #047857;
  border-color: #0aa36f;
  background: #f1fbf7;
}

.onboarding-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 18px;
  align-items: center;
  padding-top: 18px;
}

.onboarding-footer span {
  color: var(--muted);
  text-align: right;
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid,
  .route-grid,
  .dashboard-main,
  .clarification-page,
  .clarification-stage,
  .generation-layout,
  .lesson-layout,
  .practice-layout,
  .share-layout,
	  .management-layout,
  .profile-layout,
	  .management-tools,
	  .lesson-course-header,
	  .practice-course-header,
  .onboarding-layout,
  .choice-grid.cards,
  .onboarding-footer {
    grid-template-columns: 1fr;
  }

  .dashboard-metrics,
  .course-card,
  .management-course > button,
  .management-detail-grid,
  .clarification-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

	  .management-detail {
	    position: static;
	  }

  .profile-side {
    position: static;
  }

  .share-catalog,
  .share-side {
    position: static;
  }

  .clarification-progress {
    min-height: auto;
  }

  .lesson-catalog {
    min-height: auto;
  }

  .practice-nav-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .onboarding-footer span {
    text-align: left;
  }

  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-story {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 38px 24px;
  }

  .auth-card {
    margin: 28px 0;
  }
}

@media (max-width: 560px) {
  .content {
    padding: 18px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 24px;
  }

  .auth-header {
    padding: 0 18px;
  }

  .auth-brand {
    font-size: 22px;
  }

  .auth-card {
    width: calc(100% - 28px);
    padding: 22px;
  }

  .auth-tabs {
    grid-template-columns: 1fr;
  }

  .auth-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .dashboard-header,
	  .management-header,
  .profile-header,
	  .draft-banner,
  .lesson-course-title,
  .practice-course-header,
  .share-course-hero .lesson-course-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .dashboard-metrics,
  .course-card,
  .management-stats,
  .management-course > button,
	  .management-detail-grid,
  .profile-detail-grid,
	  .management-rename,
  .empty-course-form,
  .topic-form-footer,
  .clarification-options,
  .summary-list div,
  .result-summary div,
  .generation-course-banner > div:last-child {
    grid-template-columns: 1fr;
  }

  .generation-course-banner,
  .generation-course-banner > div:last-child {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .course-actions .primary-button,
  .course-actions .outline-button,
  .management-primary-actions .primary-button,
  .management-primary-actions .outline-button,
  .management-danger-actions .outline-button,
  .management-rename .outline-button,
	  .management-share-actions .outline-button,
  .profile-reset-actions .outline-button,
  .profile-reset-actions .primary-button,
	  .lesson-course-header .primary-button,
  .clarification-actions .primary-button,
  .clarification-actions .outline-button,
  .generation-actions .primary-button,
  .generation-actions .outline-button,
  .practice-actions .primary-button,
  .practice-actions .outline-button,
  .question-bank-actions .outline-button {
    width: 100%;
  }

  .content-feedback-risk,
  .content-feedback-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .content-feedback-risk .outline-button,
  .content-feedback-actions .primary-button {
    width: 100%;
  }

  .practice-nav-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .practice-result-grid {
    grid-template-columns: 1fr;
  }

  .lesson-course-progress {
    grid-template-columns: 1fr auto;
  }

  .lesson-course-progress .lesson-progress-track {
    grid-column: 1 / -1;
  }

  .clarification-actions,
  .generation-actions,
  .lesson-chat-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .lesson-chat-actions .outline-button {
    width: 100%;
  }

  .share-page {
    padding: 14px;
  }

  .share-topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .share-topbar .status-pill {
    justify-self: start;
  }

  .share-course-hero,
  .share-content,
  .share-catalog,
  .share-scope {
    padding: 18px;
  }
}