*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

:root {
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
        Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-size-body: 1rem;
    --font-size-body-lg: 1.0625rem;
    --font-size-meta: 0.875rem;
    --font-size-title-page: 2rem;
    --font-size-title-section: 1.25rem;
    --font-size-title-subsection: 1.125rem;
    --line-height-body: 1.6;
    --line-height-snug: 1.5;
    --line-height-tight: 1.25;
}

body {
    margin: 0;
    color: #1f2937;
    background: #f8fafc;
    font-family: var(--font-family-base);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
}

button,
input,
select,
textarea,
optgroup,
option {
    font: inherit;
    color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: #111827;
}

.page-header h1,
.page-title,
.quiz-header-title,
.quiz-result-title,
.lesson-title,
.empty-state h1,
.empty-state h2 {
    font-weight: var(--font-weight-bold);
}

a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:focus-visible,
.button:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
}

.sidebar {
    background: #ffffff;
    border-right: 1px solid #e5e7eb;
    padding: 1.5rem 1rem;
}

.brand-link {
    font-size: 1.125rem;
    font-weight: 700;
    color: #111827;
    text-decoration: none;
}

.brand-link:hover {
    text-decoration: none;
    color: #2563eb;
}

.sidebar-nav {
    margin-top: 2rem;
}

.nav-link {
    display: block;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    color: #374151;
    text-decoration: none;
}

.nav-link:hover {
    background: #f3f4f6;
    text-decoration: none;
}

.nav-link.is-active {
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
}

.main {
    padding: 2rem 1.5rem 3rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    margin: 0 0 0.75rem;
    font-size: var(--font-size-title-page);
    line-height: var(--line-height-tight);
}

.page-title {
    margin: 0 0 0.75rem;
    font-size: var(--font-size-title-page);
    line-height: var(--line-height-tight);
}

.page-lead,
.page-subtitle {
    margin: 0;
    color: #4b5563;
    max-width: 48rem;
    font-size: 1.0625rem;
}

.page-meta {
    margin: 0.75rem 0 0;
    color: #6b7280;
    font-size: 0.9375rem;
}

.meta-badge {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
    font-size: 0.875rem;
}

.section {
    margin-top: 2rem;
}

.section-title {
    margin: 0 0 1rem;
    font-size: var(--font-size-title-section);
}

.course-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1rem;
}

.course-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.course-card-title {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
    color: #111827;
}

.course-card-description {
    margin: 0;
    color: #4b5563;
}

.button {
    display: inline-block;
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    background: #2563eb;
    color: #ffffff;
    font-family: inherit;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    text-decoration: none;
}

.button:hover {
    background: #1d4ed8;
    text-decoration: none;
}

.text-link {
    font-weight: 500;
}

.breadcrumb {
    margin-bottom: 1.5rem;
    color: #6b7280;
    font-size: 0.9375rem;
}

.breadcrumb a {
    color: #2563eb;
}

.lesson-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.course-progress {
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.course-detail-header {
    margin-bottom: 2rem;
}

.course-detail-back {
    display: inline-block;
    margin-bottom: 1rem;
}

.course-detail-header-body {
    margin-bottom: 1.5rem;
}

.course-detail-overview {
    display: grid;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.course-detail-progress-panel {
    display: grid;
    gap: 0.625rem;
}

.course-detail-progress-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.course-detail-progress-heading {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.course-detail-progress-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
}

.course-detail-progress {
    width: 100%;
    height: 0.625rem;
    background: #e5e7eb;
    border-radius: 9999px;
    overflow: hidden;
}

.course-detail-progress--completed {
    background: #bbf7d0;
}

.course-detail-progress-fill {
    height: 100%;
    background: #2563eb;
    border-radius: 9999px;
    transition: width 0.2s ease;
}

.course-detail-progress--completed .course-detail-progress-fill {
    background: #059669;
}

.course-detail-progress-count {
    margin: 0;
    color: #6b7280;
    font-size: 0.9375rem;
}

.course-detail-continue {
    display: flex;
    justify-content: flex-start;
}

.course-detail-continue-btn {
    min-width: 12rem;
}

.course-lesson-list {
    gap: 0.875rem;
}

.lesson-list-item {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.lesson-list-item--completed {
    border-color: #d1fae5;
    background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.lesson-list-item--current {
    border-color: #93c5fd;
    background: #eff6ff;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.lesson-list-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    background: #f3f4f6;
    color: #374151;
    font-size: 0.9375rem;
    font-weight: 700;
}

.lesson-list-item--current .lesson-list-number {
    background: #dbeafe;
    color: #1d4ed8;
}

.lesson-list-item--completed .lesson-list-number {
    background: #d1fae5;
    color: #065f46;
}

.lesson-list-body {
    min-width: 0;
}

.lesson-list-title {
    margin: 0.35rem 0 0;
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
    line-height: 1.4;
}

.lesson-list-order {
    color: #6b7280;
    font-size: 0.8125rem;
}

.lesson-list-action {
    flex-shrink: 0;
}

.lesson-open-btn {
    white-space: nowrap;
}

.course-detail-quiz {
    margin-top: 2rem;
}

.course-quiz-card {
    max-width: none;
    padding: 1.5rem;
    background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 100%);
    border: 1px solid #ddd6fe;
    border-radius: 0.875rem;
}

.course-quiz-card-header {
    margin-bottom: 0.75rem;
}

.course-quiz-badge {
    display: inline-block;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    background: #ede9fe;
    color: #5b21b6;
    font-size: 0.8125rem;
    font-weight: 600;
}

.course-quiz-title {
    margin: 0;
}

.course-quiz-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1.25rem;
}

.course-quiz-meta-item {
    color: #6b7280;
    font-size: 0.9375rem;
}

.course-progress-percent {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
}

.course-progress-count {
    margin: 0.35rem 0 0;
    color: #6b7280;
}

.course-completion-banner {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 0.75rem;
    color: #065f46;
    font-weight: 600;
}

.preview-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 0.75rem;
}

.preview-banner-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
    line-height: 1;
}

.preview-banner-body {
    flex: 1 1 16rem;
    min-width: 0;
}

.preview-banner-title {
    margin: 0 0 0.35rem;
    color: #1e3a8a;
    font-weight: 700;
}

.preview-banner-text {
    margin: 0;
    color: #1e40af;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.preview-banner-actions {
    flex-shrink: 0;
}

.course-detail-progress-panel--preview {
    padding: 1rem 1.25rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.course-detail-preview-note {
    margin: 0;
    color: #4b5563;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.quiz-result-preview-note {
    margin: 0.5rem 0 0;
    padding: 0.75rem 1rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 0.5rem;
    color: #1e40af;
    font-size: 0.9375rem;
}

.quiz-result-preview-verdict {
    margin: 0 0 1.5rem;
    color: #374151;
    font-size: 1rem;
    font-weight: 600;
}

.lesson-list-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.lesson-status {
    display: inline-block;
    width: fit-content;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.lesson-status--completed {
    color: #065f46;
    background: #d1fae5;
}

.lesson-status--current {
    color: #1d4ed8;
    background: #dbeafe;
}

.lesson-status--not_started {
    color: #6b7280;
    background: #f3f4f6;
}

.lesson-status--preview {
    color: #1e40af;
    background: #dbeafe;
}

.lesson-link {
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
}

.lesson-link:hover {
    color: #2563eb;
}

.lesson-layout {
    display: grid;
    grid-template-columns: minmax(0, 44rem) 16rem;
    gap: 2.5rem;
    align-items: start;
}

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

.lesson-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.lesson-header-course {
    margin: 0 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.lesson-header-course a {
    color: #2563eb;
    text-decoration: none;
}

.lesson-header-course a:hover {
    text-decoration: underline;
}

.lesson-header-meta {
    margin: 0 0 0.75rem;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.lesson-title {
    margin: 0;
    font-size: var(--font-size-title-page);
    line-height: var(--line-height-tight);
}

.lesson-order {
    margin: 0 0 0.5rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.lesson-content {
    margin-bottom: 2rem;
    white-space: pre-wrap;
    color: #1f2937;
    font-size: 1.0625rem;
    line-height: 1.8;
}

.lesson-content p {
    margin: 0 0 1.25rem;
}

.lesson-content h2,
.lesson-content h3 {
    margin: 2rem 0 0.75rem;
    line-height: var(--line-height-snug);
}

.lesson-content h2 {
    font-size: var(--font-size-title-section);
}

.lesson-content h3 {
    font-size: var(--font-size-title-subsection);
}

.lesson-content ul,
.lesson-content ol {
    margin: 0 0 1.25rem;
    padding-left: 1.5rem;
}

.lesson-content li + li {
    margin-top: 0.5rem;
}

.lesson-block {
    margin-bottom: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.lesson-block--practical {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.lesson-block--checklist {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.lesson-block--mistakes {
    background: #fff7ed;
    border-color: #fed7aa;
}

.lesson-block--takeaways {
    background: #f5f3ff;
    border-color: #ddd6fe;
}

.lesson-block--tips {
    background: #f0fdfa;
    border-color: #99f6e4;
}

.lesson-block-title {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
}

.lesson-block--practical .lesson-block-title {
    color: #1d4ed8;
}

.lesson-block--checklist .lesson-block-title {
    color: #047857;
}

.lesson-block--mistakes .lesson-block-title {
    color: #c2410c;
}

.lesson-block--takeaways .lesson-block-title {
    color: #6d28d9;
}

.lesson-block--tips .lesson-block-title {
    color: #0f766e;
}

.lesson-block-body {
    white-space: pre-wrap;
    color: #374151;
    line-height: 1.7;
}

.lesson-block-list {
    margin: 0;
    padding-left: 1.25rem;
    color: #374151;
    line-height: 1.7;
}

.lesson-block-list li + li {
    margin-top: 0.5rem;
}

.lesson-practical-task-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lesson-practical-task-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1e3a8a;
}

.lesson-practical-task-expected-label,
.lesson-practical-task-feedback-label,
.lesson-practical-task-score-label,
.lesson-practical-task-form-label {
    margin: 0 0 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
}

.lesson-practical-task-meta {
    margin: 0;
    font-size: 0.875rem;
    color: #6b7280;
}

.lesson-practical-task-result {
    margin-top: 1.25rem;
    padding: 1rem 1.125rem;
    border-radius: 0.625rem;
    border: 1px solid #dbeafe;
    background: #ffffff;
}

.lesson-practical-task-result--passed {
    border-color: #bbf7d0;
    background: #f0fdf4;
}

.lesson-practical-task-result--failed {
    border-color: #fecaca;
    background: #fef2f2;
}

.lesson-practical-task-result-title {
    margin: 0 0 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #111827;
}

.lesson-practical-task-score {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.lesson-practical-task-score-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: #111827;
}

.lesson-practical-task-status {
    margin: 0 0 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
}

.lesson-practical-task-status--passed {
    color: #047857;
}

.lesson-practical-task-status--failed {
    color: #b91c1c;
}

.lesson-practical-task-feedback + .lesson-practical-task-feedback {
    margin-top: 0.75rem;
}

.lesson-practical-task-feedback-text {
    margin: 0;
    white-space: pre-wrap;
    color: #374151;
    line-height: 1.6;
}

.lesson-practical-task-alert {
    margin-top: 1rem;
    padding: 0.875rem 1rem;
    border-radius: 0.625rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.lesson-practical-task-alert--error {
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.lesson-practical-task-alert--notice {
    color: #92400e;
    background: #fffbeb;
    border: 1px solid #fde68a;
}

.lesson-practical-task-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.lesson-practical-task-input {
    width: 100%;
    min-height: 10rem;
    padding: 0.875rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.625rem;
    font: inherit;
    line-height: 1.6;
    color: #111827;
    background: #ffffff;
    resize: vertical;
}

.lesson-practical-task-input:focus {
    outline: 2px solid #2563eb;
    outline-offset: 1px;
    border-color: #2563eb;
}

.lesson-practical-task-submit {
    align-self: flex-start;
}

@media (max-width: 640px) {
    .lesson-practical-task-submit {
        width: 100%;
    }
}

.lesson-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.lesson-nav-previous,
.lesson-nav-next {
    min-width: 0;
}

.lesson-nav-previous {
    display: flex;
    justify-content: flex-start;
}

.lesson-nav-center {
    display: flex;
    justify-content: center;
}

.lesson-nav-next {
    display: flex;
    justify-content: flex-end;
}

.lesson-nav-btn {
    white-space: nowrap;
}

.lesson-nav-course-link {
    font-size: 0.875rem;
    white-space: nowrap;
}

.lesson-sidebar {
    position: sticky;
    top: 1.5rem;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.lesson-sidebar-title {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.lesson-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.375rem;
}

.lesson-sidebar-item--current .lesson-sidebar-link {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
    font-weight: 600;
}

.lesson-sidebar-link {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.5rem 0.625rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    color: #374151;
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.4;
}

.lesson-sidebar-link:hover {
    background: #f9fafb;
    text-decoration: none;
}

.lesson-sidebar-order {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 999px;
    background: #f3f4f6;
    color: #6b7280;
    font-size: 0.75rem;
    font-weight: 700;
}

.lesson-sidebar-item--current .lesson-sidebar-order {
    background: #dbeafe;
    color: #1d4ed8;
}

.lesson-sidebar-label {
    min-width: 0;
}

.button-secondary {
    background: #ffffff;
    color: #2563eb;
    border: 1px solid #d1d5db;
}

.button-secondary:hover {
    background: #f9fafb;
    color: #1d4ed8;
    text-decoration: none;
}

.lesson-complete-label {
    display: inline-block;
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    background: #ecfdf5;
    color: #047857;
    font-weight: 600;
}

.back-link-wrap {
    margin-top: 2rem;
}

.empty-state {
    max-width: 36rem;
    padding: 2rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.empty-state h1,
.empty-state h2 {
    margin-top: 0;
}

.empty-inline {
    margin: 0;
    color: #6b7280;
}

.quiz-section {
    margin-top: 2rem;
}

.quiz-card {
    max-width: 36rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.quiz-card-title {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
    color: #111827;
}

.quiz-card-meta,
.quiz-meta {
    margin: 0 0 1rem;
    color: #6b7280;
}

.quiz-header {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.quiz-header-course {
    margin: 0 0 0.5rem;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.quiz-header-title {
    margin: 0 0 0.75rem;
    font-size: var(--font-size-title-page);
    line-height: var(--line-height-tight);
}

.quiz-header-lead {
    margin: 0 0 1rem;
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.6;
    max-width: 42rem;
}

.quiz-header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
}

.quiz-header-meta-item {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #f3f4f6;
    border-radius: 999px;
    color: #374151;
    font-size: 0.875rem;
    font-weight: 500;
}

.quiz-form {
    display: grid;
    gap: 1.25rem;
    max-width: 48rem;
}

.quiz-question-card {
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.quiz-question-header {
    margin-bottom: 1rem;
}

.quiz-question-number {
    display: inline-block;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 0.8125rem;
    font-weight: 600;
}

.quiz-question-title {
    margin: 0;
    font-size: var(--font-size-body-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
}

.quiz-options {
    margin: 0;
    padding: 0;
    border: 0;
    display: grid;
    gap: 0.625rem;
}

.quiz-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
    cursor: pointer;
    background: #ffffff;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.quiz-option:hover {
    border-color: #93c5fd;
    background: #f8fafc;
}

.quiz-option:has(input:checked) {
    border-color: #2563eb;
    background: #eff6ff;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12);
}

.quiz-option:has(input:focus-visible) {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.quiz-option input {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.quiz-option-text {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-snug);
    color: #111827;
}

.quiz-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

.quiz-submit-btn {
    min-width: 12rem;
}

.quiz-result {
    max-width: 42rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.quiz-result--passed {
    border-color: #a7f3d0;
    background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.quiz-result--failed {
    border-color: #fecaca;
    background: linear-gradient(180deg, #ffffff 0%, #fef2f2 100%);
}

.quiz-result-header {
    margin-bottom: 1.5rem;
}

.quiz-result-course {
    margin: 0 0 0.5rem;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.quiz-result-title {
    margin: 0 0 0.75rem;
    font-size: var(--font-size-title-page);
    line-height: var(--line-height-tight);
}

.quiz-result-score-panel {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    text-align: center;
}

.quiz-result--passed .quiz-result-score-panel {
    border-color: #bbf7d0;
    background: #ecfdf5;
}

.quiz-result--failed .quiz-result-score-panel {
    border-color: #fecaca;
    background: #fff1f2;
}

.quiz-result-score-label {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.quiz-result-score {
    margin: 0;
    font-size: 3rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.1;
}

.quiz-result--passed .quiz-result-score {
    color: #047857;
}

.quiz-result--failed .quiz-result-score {
    color: #b91c1c;
}

.quiz-result-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.quiz-result-metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 0.875rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
}

.quiz-result-metric-label {
    color: #6b7280;
    font-size: 0.8125rem;
    font-weight: 500;
}

.quiz-result-metric-value {
    color: #111827;
    font-size: 1.0625rem;
    font-weight: 700;
}

.quiz-result-status {
    margin: 0;
    display: inline-block;
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 600;
}

.quiz-result-status-passed {
    color: #065f46;
    background: #d1fae5;
}

.quiz-result-status-failed {
    color: #991b1b;
    background: #fee2e2;
}

.quiz-result-actions {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e5e7eb;
}

.quiz-result--passed .quiz-result-actions {
    border-top-color: #bbf7d0;
}

.quiz-result--failed .quiz-result-actions {
    border-top-color: #fecaca;
}

.quiz-review {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.quiz-review-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.875rem;
}

.quiz-review-item {
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
}

.quiz-review-item--correct {
    border-color: #bbf7d0;
    background: #f0fdf4;
}

.quiz-review-item--incorrect {
    border-color: #fecaca;
    background: #fef2f2;
}

.quiz-review-question {
    margin: 0 0 0.5rem;
    font-weight: 600;
    color: #111827;
}

.quiz-review-answer {
    margin: 0 0 0.25rem;
    color: #374151;
}

.quiz-review-verdict {
    margin: 0;
    font-weight: 600;
}

.quiz-review-verdict-correct {
    color: #047857;
}

.quiz-review-verdict-incorrect {
    color: #b91c1c;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.dashboard-course-list {
    gap: 1.25rem;
}

.dashboard-course-card {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.5rem;
}

.dashboard-course-card--completed {
    border-color: #a7f3d0;
    background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.dashboard-course-body {
    flex: 1 1 auto;
    min-width: 0;
    display: grid;
    gap: 1rem;
}

.dashboard-course-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.dashboard-course-header .course-card-title {
    margin: 0;
    flex: 1 1 12rem;
}

.dashboard-status-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.dashboard-status-badge--not_started {
    color: #6b7280;
    background: #f3f4f6;
}

.dashboard-status-badge--in_progress {
    color: #1d4ed8;
    background: #dbeafe;
}

.dashboard-status-badge--completed {
    color: #065f46;
    background: #d1fae5;
}

.dashboard-course-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    align-items: center;
    justify-content: flex-end;
}

.dashboard-metrics--compliance {
    margin-top: 0.75rem;
}

.dashboard-compliance-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.dashboard-compliance-badge--no_deadline {
    color: #6b7280;
    background: #f3f4f6;
}

.dashboard-compliance-badge--on_track {
    color: #0369a1;
    background: #e0f2fe;
}

.dashboard-compliance-badge--due_soon {
    color: #92400e;
    background: #fef9c3;
}

.dashboard-compliance-badge--overdue {
    color: #b45309;
    background: #fef3c7;
}

.dashboard-compliance-badge--completed_on_time {
    color: #065f46;
    background: #d1fae5;
}

.dashboard-compliance-badge--completed_late {
    color: #c2410c;
    background: #ffedd5;
}

.dashboard-status-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.dashboard-status-link:hover {
    opacity: 0.88;
}

.dashboard-status-link:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.profile-section-anchor {
    scroll-margin-top: 1.5rem;
}

.dashboard-progress-section {
    padding: 0.875rem 1rem;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
}

.dashboard-course-card--completed .dashboard-progress-section {
    background: #ecfdf5;
    border-color: #bbf7d0;
}

.dashboard-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.dashboard-progress-heading {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.dashboard-progress {
    width: 100%;
    height: 0.625rem;
    background: #e5e7eb;
    border-radius: 9999px;
    overflow: hidden;
}

.dashboard-progress--completed {
    background: #bbf7d0;
}

.dashboard-progress-bar {
    height: 100%;
    background: #2563eb;
    border-radius: 9999px;
    transition: width 0.2s ease;
}

.dashboard-progress--completed .dashboard-progress-bar {
    background: #059669;
}

.dashboard-progress-label {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: #111827;
}

.dashboard-course-card--completed .dashboard-progress-label {
    color: #047857;
}

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 0.75rem;
}

.dashboard-metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 0.875rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
}

.dashboard-metric-label {
    color: #6b7280;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.4;
}

.dashboard-metric-value {
    color: #111827;
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.3;
}

.dashboard-metric-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.dashboard-last-lesson {
    padding: 0.75rem 0.875rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.625rem;
}

.dashboard-meta {
    margin: 0;
    color: #6b7280;
    font-size: 0.875rem;
}

.dashboard-course-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 0.25rem;
    border-top: 1px solid #e5e7eb;
}

.dashboard-course-card--completed .dashboard-course-actions {
    border-top-color: #bbf7d0;
}

.dashboard-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    max-width: 28rem;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px dashed #d1d5db;
    border-radius: 0.875rem;
}

.dashboard-empty-state-message {
    margin: 0;
    color: #6b7280;
    font-size: 1.0625rem;
}

/* Admin dashboard */

.admin-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.admin-page-header-body {
    flex: 1 1 16rem;
}

.admin-page-header-actions {
    flex: 0 0 auto;
}

.admin-create-btn {
    white-space: nowrap;
}

.admin-course-list {
    gap: 1rem;
}

.admin-course-card {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-course-card--archived {
    background: #f9fafb;
    border-color: #e5e7eb;
    opacity: 0.92;
}

.admin-course-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-course-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.admin-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.admin-status-badge--published {
    background: #dcfce7;
    color: #166534;
}

.admin-status-badge--draft {
    background: #fef3c7;
    color: #92400e;
}

.admin-status-badge--archived {
    background: #f3f4f6;
    color: #4b5563;
}

.admin-status-badge--active {
    background: #d1fae5;
    color: #065f46;
}

.admin-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.admin-subnav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    background: #ffffff;
    color: #374151;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
}

.admin-subnav-link:hover {
    background: #f9fafb;
}

.admin-subnav-link.is-active {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.admin-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.admin-breadcrumb a {
    color: #2563eb;
    text-decoration: none;
}

.admin-breadcrumb a:hover {
    text-decoration: underline;
}

.admin-breadcrumb-separator {
    color: #9ca3af;
}

.admin-knowledge-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.admin-course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
}

.admin-meta-item {
    color: #6b7280;
    font-size: 0.875rem;
}

.admin-course-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e5e7eb;
}

.admin-knowledge-answer-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-knowledge-answer-section--insufficient {
    border-color: #fcd34d;
    background: #fffbeb;
}

.admin-knowledge-answer-text {
    margin: 0.75rem 0 0;
    line-height: 1.6;
    white-space: pre-wrap;
}

.admin-knowledge-answer-text--secondary {
    color: #4b5563;
}

.admin-knowledge-insufficient-message {
    margin: 0.75rem 0 0;
    font-weight: 600;
    color: #92400e;
}

.admin-knowledge-sources-title {
    margin: 1.25rem 0 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.admin-knowledge-sources-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.admin-knowledge-source-card {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    padding: 0.75rem 1rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.admin-knowledge-source-number {
    font-weight: 600;
}

.admin-knowledge-source-title {
    font-weight: 500;
}

.admin-knowledge-source-filename {
    color: #6b7280;
}

.admin-knowledge-source-meta {
    color: #6b7280;
    font-size: 0.875rem;
}

.admin-knowledge-lifecycle-form {
    margin: 0;
}

/* Reusable AI chat components (Knowledge Base, future AI mentor, etc.) */

.ai-chat {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 48rem;
    margin: 0 auto;
}

.ai-chat-messages {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 8rem;
}

.ai-chat-empty {
    padding: 2rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.ai-chat-empty-greeting {
    margin: 0 0 0.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #111827;
    line-height: 1.5;
}

.ai-chat-empty-hint {
    margin: 0 0 1.25rem;
    color: #6b7280;
    font-size: 0.9375rem;
    line-height: 1.55;
}

.ai-chat-examples {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.ai-chat-example {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 9999px;
    color: #4b5563;
    font-size: 0.8125rem;
    line-height: 1.4;
    cursor: default;
    user-select: none;
}

.ai-chat-message {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    max-width: 90%;
}

.ai-chat-message--user {
    align-self: flex-end;
}

.ai-chat-message--user .ai-chat-message-body {
    padding: 0.75rem 1rem;
    background: #2563eb;
    color: #ffffff;
    border-radius: 1rem 1rem 0.25rem 1rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
}

.ai-chat-message--assistant {
    align-self: flex-start;
    max-width: 100%;
    width: 100%;
}

.ai-chat-assistant-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ai-chat-message--assistant .ai-chat-message-body {
    padding: 0.875rem 1rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.25rem 1rem 1rem 1rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    color: #111827;
}

.ai-chat-message-body--secondary {
    margin-top: 0.5rem;
    color: #4b5563;
    font-size: 0.9375rem;
}

.ai-chat-message--insufficient .ai-chat-message-body,
.ai-chat-message--insufficient .ai-chat-message-body--secondary {
    border-color: #fcd34d;
    background: #fffbeb;
}

.ai-chat-insufficient-message {
    margin: 0;
    padding: 0.875rem 1rem;
    background: #fffbeb;
    border: 1px solid #fcd34d;
    border-radius: 0.25rem 1rem 1rem 1rem;
    font-weight: 600;
    color: #92400e;
    line-height: 1.5;
}

.ai-chat-insufficient-explanation {
    margin: 0.5rem 0 0;
    padding: 0 0.25rem;
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.55;
}

.ai-chat-sources {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.ai-chat-source-card {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.625rem 0.875rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.ai-chat-source-icon {
    flex-shrink: 0;
    font-size: 1.125rem;
    line-height: 1;
}

.ai-chat-source-content {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.ai-chat-source-title {
    font-weight: 500;
    color: #111827;
    font-size: 0.9375rem;
    line-height: 1.4;
}

.ai-chat-source-filename {
    color: #6b7280;
    font-size: 0.8125rem;
    line-height: 1.4;
    word-break: break-word;
}

.ai-chat-source-meta {
    color: #9ca3af;
    font-size: 0.75rem;
}

.ai-chat-source-excerpt {
    margin: 0.375rem 0 0;
    padding: 0.5rem 0.625rem;
    border-left: 3px solid #d1d5db;
    color: #374151;
    font-size: 0.8125rem;
    line-height: 1.45;
    font-style: normal;
}

.ai-chat-source-link {
    display: inline-block;
    margin-top: 0.375rem;
    color: #2563eb;
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
}

.ai-chat-source-link:hover,
.ai-chat-source-link:focus-visible {
    text-decoration: underline;
}

.ai-chat-source-label {
    color: #9ca3af;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.125rem;
}

.ai-chat-composer {
    padding: 1rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.admin-knowledge-document {
    margin-top: 1rem;
}

.admin-knowledge-document-layout {
    max-width: 52rem;
    margin: 0 auto;
}

.admin-knowledge-document-actions {
    margin-bottom: 1rem;
}

.admin-knowledge-document-meta {
    color: #6b7280;
}

.admin-knowledge-document-content {
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-knowledge-document-text {
    white-space: pre-wrap;
    line-height: 1.6;
    color: #374151;
    font-size: 0.9375rem;
}

.ai-chat-composer-fields {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ai-chat-composer-input {
    width: 100%;
    min-height: 4.5rem;
    resize: vertical;
    border-radius: 0.5rem;
}

.ai-chat-composer-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.ai-chat-composer-language {
    flex: 1;
    min-width: 8rem;
}

.ai-chat-composer-submit {
    flex-shrink: 0;
}

.ai-chat-composer-footer {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #f3f4f6;
}

.ai-chat-thinking {
    margin-top: 0.75rem;
}

.ai-chat-loading-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.125rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 0.875rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.ai-chat-loading-visual {
    flex-shrink: 0;
}

.ai-chat-loading-orbit {
    position: relative;
    width: 3.25rem;
    height: 3.25rem;
}

.ai-chat-loading-orbit-glow {
    position: absolute;
    inset: 0.125rem;
    z-index: 0;
    background: radial-gradient(
        circle,
        rgba(37, 99, 235, 0.22) 0%,
        rgba(37, 99, 235, 0.06) 45%,
        transparent 72%
    );
    border-radius: 50%;
    filter: blur(4px);
    animation: admin-ai-generation-glow 3.2s ease-in-out infinite;
}

.ai-chat-loading-orbit-core {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    width: 0.75rem;
    height: 0.75rem;
    margin: -0.375rem 0 0 -0.375rem;
    background: linear-gradient(145deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 50%;
    box-shadow:
        0 0 0 0.25rem rgba(37, 99, 235, 0.16),
        0 0 0.75rem rgba(37, 99, 235, 0.35);
    animation: admin-ai-generation-pulse 2.8s ease-in-out infinite;
}

.ai-chat-loading-orbit-ring {
    position: absolute;
    inset: 0.375rem;
    z-index: 1;
    border: 1.5px solid rgba(37, 99, 235, 0.12);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: admin-ai-generation-spin 5.5s linear infinite;
}

.ai-chat-loading-orbit-ring--outer {
    inset: 0;
    border-color: rgba(37, 99, 235, 0.07);
    border-top-color: rgba(37, 99, 235, 0.4);
    animation: admin-ai-generation-spin 7.5s linear infinite reverse;
}

.ai-chat-loading-orbit-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: 0.3125rem;
    height: 0.3125rem;
    margin: -0.15625rem 0 0 -0.15625rem;
    background: #60a5fa;
    border-radius: 50%;
    box-shadow: 0 0 0.3125rem rgba(96, 165, 250, 0.6);
}

.ai-chat-loading-orbit-dot--one {
    animation: ai-chat-loading-orbit-one 6s ease-in-out infinite;
}

.ai-chat-loading-orbit-dot--two {
    animation: ai-chat-loading-orbit-two 6s ease-in-out infinite;
}

.ai-chat-loading-orbit-dot--three {
    animation: ai-chat-loading-orbit-three 6s ease-in-out infinite;
}

.ai-chat-loading-body {
    flex: 1;
    min-width: 0;
}

.ai-chat-loading-title {
    margin: 0 0 0.25rem;
    color: #0f172a;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.35;
}

.ai-chat-loading-status {
    margin: 0;
    color: #64748b;
    font-size: 0.8125rem;
    line-height: 1.45;
}

.ai-chat-loading-ellipsis span {
    animation: admin-ai-generation-ellipsis 1.4s ease-in-out infinite;
}

.ai-chat-loading-ellipsis span:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-chat-loading-ellipsis span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes ai-chat-loading-orbit-one {
    0%,
    100% {
        transform: rotate(0deg) translateX(1.25rem) rotate(0deg);
    }

    50% {
        transform: rotate(180deg) translateX(1.25rem) rotate(-180deg);
    }
}

@keyframes ai-chat-loading-orbit-two {
    0%,
    100% {
        transform: rotate(120deg) translateX(1.0625rem) rotate(-120deg);
    }

    50% {
        transform: rotate(300deg) translateX(1.0625rem) rotate(-300deg);
    }
}

@keyframes ai-chat-loading-orbit-three {
    0%,
    100% {
        transform: rotate(240deg) translateX(0.875rem) rotate(-240deg);
    }

    50% {
        transform: rotate(420deg) translateX(0.875rem) rotate(-420deg);
    }
}

.ai-chat-composer--loading .ai-chat-composer-input,
.ai-chat-composer--loading .ai-chat-composer-language {
    opacity: 0.7;
    pointer-events: none;
}

.ai-chat-composer--loading .ai-chat-composer-submit {
    position: relative;
    min-width: 12rem;
}

.ai-chat-composer-spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: ai-chat-spin 0.8s linear infinite;
    vertical-align: middle;
}

.ai-chat-composer--loading .ai-chat-composer-spinner {
    display: inline-block;
}

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

.admin-knowledge-document-summary {
    margin-bottom: 1.75rem;
    padding: 1.375rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.admin-knowledge-document-description {
    margin: 0 0 1.125rem;
    color: #4b5563;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.admin-knowledge-document-metadata {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.875rem 1.25rem;
    margin: 0;
    padding: 1rem 1.125rem;
    background: #f9fafb;
    border: 1px solid #eef2f7;
    border-radius: 0.625rem;
}

.admin-knowledge-document-metadata-item {
    min-width: 0;
}

.admin-knowledge-document-metadata-item dt {
    margin: 0 0 0.25rem;
    color: #6b7280;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.admin-knowledge-document-metadata-item dd {
    margin: 0;
    color: #111827;
    font-size: 0.9375rem;
    line-height: 1.45;
    word-break: break-word;
}

.admin-knowledge-document-chunks {
    margin-top: 0.5rem;
}

.admin-knowledge-chunk-list {
    display: flex;
    flex-direction: column;
    gap: 1.375rem;
}

.admin-knowledge-chunk-card {
    padding: 1.375rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    scroll-margin-top: 1.25rem;
}

.admin-knowledge-chunk-card--focus {
    border-color: #93c5fd;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.admin-knowledge-chunk-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #f3f4f6;
}

.admin-knowledge-chunk-title {
    margin: 0;
    color: #111827;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.35;
}

.admin-knowledge-chunk-subtitle {
    margin: 0.25rem 0 0;
    color: #6b7280;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.admin-knowledge-chunk-body-shell {
    position: relative;
}

.admin-knowledge-chunk-body-wrap {
    overflow: hidden;
}

.admin-knowledge-chunk-body-wrap--collapsed {
    max-height: 18rem;
}

.admin-knowledge-chunk-body {
    color: #1f2937;
    font-size: 1rem;
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.admin-knowledge-chunk-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2.75rem;
    height: 4rem;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 88%);
}

.admin-knowledge-chunk-card--expanded .admin-knowledge-chunk-fade {
    display: none;
}

.admin-knowledge-chunk-toggle {
    display: inline-flex;
    align-items: center;
    margin-top: 0.875rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: #2563eb;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
}

.admin-knowledge-chunk-toggle:hover,
.admin-knowledge-chunk-toggle:focus-visible {
    color: #1d4ed8;
    text-decoration: underline;
}

@media (max-width: 640px) {
    .admin-knowledge-document-layout {
        max-width: none;
    }

    .admin-knowledge-document-metadata {
        grid-template-columns: 1fr;
    }

    .admin-knowledge-chunk-card {
        padding: 1.125rem 1.25rem;
    }

    .admin-knowledge-chunk-body-wrap--collapsed {
        max-height: 16rem;
    }
}

@media (max-width: 640px) {
    .ai-chat {
        max-width: none;
    }

    .ai-chat-message {
        max-width: 95%;
    }

    .ai-chat-message--assistant {
        max-width: 100%;
    }

    .ai-chat-composer-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .ai-chat-composer-language,
    .ai-chat-composer-submit {
        width: 100%;
    }

    .ai-chat-examples {
        flex-direction: column;
        align-items: stretch;
    }

    .ai-chat-example {
        text-align: center;
    }
}

.admin-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    max-width: 28rem;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px dashed #d1d5db;
    border-radius: 0.875rem;
}

.admin-empty-state-message {
    margin: 0;
    color: #6b7280;
    font-size: 1.0625rem;
}

.admin-create-page-header {
    margin-bottom: 1.5rem;
}

.admin-create-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 40rem;
    padding: 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.875rem;
}

.admin-form-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 0;
    padding: 0;
    border: none;
}

.admin-form-section-title {
    padding: 0;
    color: #111827;
    font-size: 1rem;
    font-weight: 700;
}

.admin-form-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.admin-form-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: #2563eb;
}

.admin-form-checkbox label {
    color: #374151;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
}

.admin-form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-form-label {
    color: #374151;
    font-size: 0.9375rem;
    font-weight: 600;
}

.admin-form-input,
.admin-form-textarea,
.admin-form-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    color: #111827;
    font: inherit;
    line-height: 1.5;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.admin-form-input:focus-visible,
.admin-form-textarea:focus-visible,
.admin-form-select:focus-visible {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.admin-form-textarea {
    resize: vertical;
    min-height: 6rem;
}

.admin-form-textarea--tall {
    min-height: 16rem;
}

.admin-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 0.5rem;
    border-top: 1px solid #e5e7eb;
}

.admin-create-form .admin-form-actions .button,
.admin-upload-confirm-actions .button,
.admin-generation-review-actions .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.375rem;
    padding: 0.75rem 1.625rem;
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.2;
}

.admin-form-error {
    margin-bottom: 1rem;
    padding: 0.875rem 1rem;
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
}

.admin-form-hint {
    margin: 0;
    color: #6b7280;
    font-size: 0.875rem;
}

.admin-form-file {
    width: 100%;
    padding: 0.5rem 0;
    color: #374151;
    font: inherit;
}

.admin-upload-confirm {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 42rem;
}

.admin-upload-confirm-card {
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.admin-upload-confirm-title {
    margin: 0 0 1rem;
    color: #111827;
    font-size: 1.0625rem;
    font-weight: 600;
}

.admin-upload-confirm-details {
    display: grid;
    gap: 0.75rem;
    margin: 0;
}

.admin-upload-confirm-row {
    display: grid;
    grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr);
    gap: 0.75rem;
}

.admin-upload-confirm-row dt {
    margin: 0;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.admin-upload-confirm-row dd {
    margin: 0;
    color: #111827;
    font-size: 0.9375rem;
}

.admin-upload-confirm-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.admin-upload-confirm-options li {
    padding: 0.25rem 0.625rem;
    color: #1e40af;
    font-size: 0.8125rem;
    font-weight: 500;
    background: #eff6ff;
    border-radius: 999px;
}

.admin-upload-confirm-actions {
    margin-top: 0.25rem;
}

.admin-upload-confirm-form {
    margin: 0;
}

.admin-generation-review {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 42rem;
}

.admin-generation-review-status {
    padding: 0.875rem 1rem;
    color: #065f46;
    font-size: 0.9375rem;
    font-weight: 500;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 0.75rem;
}

.admin-generation-review-features {
    display: grid;
    gap: 0.625rem;
    margin: 1rem 0 0;
    padding: 0.875rem 0 0;
    border-top: 1px solid #e5e7eb;
}

.admin-generation-review-feature {
    display: grid;
    grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr);
    gap: 0.75rem;
}

.admin-generation-review-feature dt {
    margin: 0;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.admin-generation-review-feature dd {
    margin: 0;
    color: #111827;
    font-size: 0.9375rem;
}

.admin-generation-review-note {
    margin: 0;
    color: #6b7280;
    font-size: 0.875rem;
}

.admin-generation-review-actions {
    margin-top: 0.25rem;
}

.admin-generation-review--loading .admin-generation-review-panel {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.admin-generation-review--loading .admin-generation-back-link {
    pointer-events: none;
}

.admin-ai-generation-loading-page {
    position: relative;
    max-width: 51.25rem;
    margin: 1.75rem auto 2.5rem;
    padding: 0 1rem;
    background-color: #f6f8fc;
    background-image: linear-gradient(
        180deg,
        #f6f8fc 0%,
        #f7f9fc 42%,
        #fafbfe 100%
    );
}

.admin-ai-generation-loading-page::before {
    content: "";
    position: absolute;
    top: -1.5rem;
    left: 50%;
    z-index: 0;
    width: min(100%, 44rem);
    height: 20rem;
    transform: translateX(-50%);
    background: radial-gradient(
        ellipse at center top,
        rgba(37, 99, 235, 0.15) 0%,
        rgba(37, 99, 235, 0.05) 38%,
        transparent 68%
    );
    pointer-events: none;
}

.admin-ai-generation-loading {
    position: relative;
    z-index: 1;
    max-width: 51.25rem;
    margin: 0 auto;
}

.admin-ai-generation-card {
    padding: 2.375rem 2.375rem 1.75rem;
    text-align: center;
    background: #ffffff;
    border: 1px solid #e8ecf1;
    border-radius: 1.5rem;
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.04),
        0 20px 48px rgba(15, 23, 42, 0.07);
}

.admin-ai-generation-hero {
    margin-bottom: 1.75rem;
}

.admin-ai-generation-visual {
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.admin-ai-generation-orbit {
    position: relative;
    width: 6.25rem;
    height: 6.25rem;
}

.admin-ai-generation-orbit-glow {
    position: absolute;
    inset: 0.25rem;
    z-index: 0;
    background: radial-gradient(
        circle,
        rgba(37, 99, 235, 0.22) 0%,
        rgba(37, 99, 235, 0.06) 45%,
        transparent 72%
    );
    border-radius: 50%;
    filter: blur(8px);
    animation: admin-ai-generation-glow 3.2s ease-in-out infinite;
}

.admin-ai-generation-orbit-core {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    width: 1.375rem;
    height: 1.375rem;
    margin: -0.6875rem 0 0 -0.6875rem;
    background: linear-gradient(145deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 50%;
    box-shadow:
        0 0 0 0.5rem rgba(37, 99, 235, 0.16),
        0 0 1.5rem rgba(37, 99, 235, 0.35);
    animation: admin-ai-generation-pulse 2.8s ease-in-out infinite;
}

.admin-ai-generation-orbit-ring {
    position: absolute;
    inset: 0.75rem;
    z-index: 1;
    border: 2px solid rgba(37, 99, 235, 0.12);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: admin-ai-generation-spin 5.5s linear infinite;
}

.admin-ai-generation-orbit-ring--outer {
    inset: 0;
    border-color: rgba(37, 99, 235, 0.07);
    border-top-color: rgba(37, 99, 235, 0.4);
    animation: admin-ai-generation-spin 7.5s linear infinite reverse;
}

.admin-ai-generation-orbit-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: 0.5rem;
    height: 0.5rem;
    margin: -0.25rem 0 0 -0.25rem;
    background: #60a5fa;
    border-radius: 50%;
    box-shadow: 0 0 0.5rem rgba(96, 165, 250, 0.6);
}

.admin-ai-generation-orbit-dot--one {
    animation: admin-ai-generation-orbit-one 6s ease-in-out infinite;
}

.admin-ai-generation-orbit-dot--two {
    animation: admin-ai-generation-orbit-two 6s ease-in-out infinite;
}

.admin-ai-generation-orbit-dot--three {
    animation: admin-ai-generation-orbit-three 6s ease-in-out infinite;
}

.admin-ai-generation-title {
    margin: 0 0 0.625rem;
    color: #0f172a;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.admin-ai-generation-lead {
    margin: 0 auto 1.25rem;
    max-width: 26rem;
    color: #64748b;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.admin-ai-generation-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 20rem;
    margin: 0 auto;
}

.admin-ai-generation-progress-track {
    flex: 1 1 auto;
    height: 0.53125rem;
    overflow: hidden;
    background: #e2e8f0;
    border-radius: 999px;
}

.admin-ai-generation-progress-bar {
    width: 12%;
    height: 100%;
    background: linear-gradient(90deg, #2563eb 0%, #3b82f6 55%, #60a5fa 100%);
    border-radius: 999px;
    box-shadow: 0 0 0.875rem rgba(37, 99, 235, 0.42);
    transition: width 0.65s ease;
    animation: admin-ai-generation-progress-shimmer 2.4s ease-in-out infinite;
}

.admin-ai-generation-progress-bar--success {
    background: linear-gradient(90deg, #16a34a 0%, #22c55e 100%);
    box-shadow: 0 0 0.875rem rgba(34, 197, 94, 0.35);
    animation: none;
}

.admin-ai-generation-progress-label {
    flex-shrink: 0;
    min-width: 2.5rem;
    color: #475569;
    font-size: 0.875rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.admin-ai-generation-stepper {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-width: 22rem;
    margin: 0 auto 1.25rem;
    padding: 0;
    list-style: none;
    text-align: left;
}

.admin-ai-generation-step {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    position: relative;
    padding: 0.5rem 0;
}

.admin-ai-generation-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 1.875rem;
    left: 0.6875rem;
    z-index: 0;
    width: 2px;
    height: calc(100% - 0.25rem);
    background: #e5e7eb;
}

.admin-ai-generation-step--done:not(:last-child)::after {
    background: #bbf7d0;
}

.admin-ai-generation-step-marker {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    width: 1.375rem;
    height: 1.375rem;
    background: #ffffff;
    border: 2px solid #d1d5db;
    border-radius: 50%;
}

.admin-ai-generation-step-label {
    display: block;
    color: #94a3b8;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.35;
}

.admin-ai-generation-step--done .admin-ai-generation-step-marker {
    background: #ecfdf5;
    border-color: #22c55e;
    animation: admin-ai-generation-step-done 0.28s ease-out;
}

.admin-ai-generation-step--done .admin-ai-generation-step-marker::after {
    content: "";
    position: absolute;
    top: 0.1875rem;
    left: 0.3125rem;
    width: 0.4375rem;
    height: 0.6875rem;
    border-right: 2px solid #16a34a;
    border-bottom: 2px solid #16a34a;
    transform: rotate(45deg);
    animation: admin-ai-generation-step-check 0.28s ease-out;
}

.admin-ai-generation-step--done .admin-ai-generation-step-label {
    color: #64748b;
}

.admin-ai-generation-step--active .admin-ai-generation-step-marker {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
    animation: admin-ai-generation-marker-pulse 2.4s ease-in-out infinite;
}

.admin-ai-generation-step--active .admin-ai-generation-step-marker::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.4375rem;
    height: 0.4375rem;
    margin: -0.21875rem 0 0 -0.21875rem;
    background: #2563eb;
    border-radius: 50%;
}

.admin-ai-generation-step--active .admin-ai-generation-step-label {
    color: #0f172a;
    font-weight: 600;
}

.admin-ai-generation-step--pending .admin-ai-generation-step-marker {
    background: #f8fafc;
}

.admin-ai-generation-step--skipped .admin-ai-generation-step-marker {
    background: #f1f5f9;
    border-color: #cbd5e1;
    border-style: dashed;
    opacity: 0.65;
}

.admin-ai-generation-step--skipped .admin-ai-generation-step-label {
    color: #cbd5e1;
    font-weight: 400;
}

.admin-ai-generation-step--skipped:not(:last-child)::after {
    background: #e2e8f0;
}

.admin-ai-generation-status {
    margin: 0 0 1rem;
    padding: 0.875rem 1rem;
    text-align: left;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
}

.admin-ai-generation-status-kicker {
    margin: 0 0 0.25rem;
    color: #64748b;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    line-height: 1.4;
    text-transform: uppercase;
}

.admin-ai-generation-status-text {
    margin: 0;
    color: #1e293b;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
}

.admin-ai-generation-ellipsis {
    display: inline-flex;
    gap: 0.0625rem;
    margin-left: 0.0625rem;
}

.admin-ai-generation-ellipsis span {
    animation: admin-ai-generation-ellipsis 1.4s ease-in-out infinite;
}

.admin-ai-generation-ellipsis span:nth-child(2) {
    animation-delay: 0.2s;
}

.admin-ai-generation-ellipsis span:nth-child(3) {
    animation-delay: 0.4s;
}

.admin-ai-generation-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.75rem 0.875rem;
    text-align: left;
    background: #fafafa;
    border: 1px solid #eef2f7;
    border-radius: 0.625rem;
}

.admin-ai-generation-notice-icon {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    margin-top: 0.125rem;
    background: #94a3b8;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='5' y='11' width='14' height='10' rx='2'/%3E%3Cpath d='M8 11V7a4 4 0 118 0v4'/%3E%3C/svg%3E") center / contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='5' y='11' width='14' height='10' rx='2'/%3E%3Cpath d='M8 11V7a4 4 0 118 0v4'/%3E%3C/svg%3E") center / contain no-repeat;
}

.admin-ai-generation-notice-text {
    margin: 0;
    color: #64748b;
    font-size: 0.8125rem;
    line-height: 1.5;
}

@keyframes admin-ai-generation-step-done {
    from {
        transform: scale(0.9);
        opacity: 0.72;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes admin-ai-generation-step-check {
    from {
        transform: rotate(45deg) scale(0.85);
        opacity: 0;
    }

    to {
        transform: rotate(45deg) scale(1);
        opacity: 1;
    }
}

@keyframes admin-ai-generation-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes admin-ai-generation-pulse {
    0%,
    100% {
        transform: scale(1);
        box-shadow:
            0 0 0 0.5rem rgba(37, 99, 235, 0.16),
            0 0 1.5rem rgba(37, 99, 235, 0.35);
    }

    50% {
        transform: scale(1.06);
        box-shadow:
            0 0 0 0.625rem rgba(37, 99, 235, 0.22),
            0 0 2rem rgba(37, 99, 235, 0.45);
    }
}

@keyframes admin-ai-generation-glow {
    0%,
    100% {
        opacity: 0.75;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

@keyframes admin-ai-generation-marker-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.2);
    }
}

@keyframes admin-ai-generation-progress-shimmer {
    0%,
    100% {
        opacity: 0.92;
    }

    50% {
        opacity: 1;
    }
}

@keyframes admin-ai-generation-orbit-one {
    0%,
    100% {
        transform: rotate(0deg) translateX(2.375rem) rotate(0deg);
    }

    50% {
        transform: rotate(180deg) translateX(2.375rem) rotate(-180deg);
    }
}

@keyframes admin-ai-generation-orbit-two {
    0%,
    100% {
        transform: rotate(120deg) translateX(2rem) rotate(-120deg);
    }

    50% {
        transform: rotate(300deg) translateX(2rem) rotate(-300deg);
    }
}

@keyframes admin-ai-generation-orbit-three {
    0%,
    100% {
        transform: rotate(240deg) translateX(1.625rem) rotate(-240deg);
    }

    50% {
        transform: rotate(420deg) translateX(1.625rem) rotate(-420deg);
    }
}

@keyframes admin-ai-generation-ellipsis {
    0%,
    80%,
    100% {
        opacity: 0.2;
    }

    40% {
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .admin-ai-generation-orbit-glow,
    .admin-ai-generation-orbit-core,
    .admin-ai-generation-orbit-ring,
    .admin-ai-generation-orbit-dot,
    .admin-ai-generation-progress-bar,
    .admin-ai-generation-ellipsis span,
    .admin-ai-generation-step--active .admin-ai-generation-step-marker,
    .admin-ai-generation-step--done .admin-ai-generation-step-marker,
    .admin-ai-generation-step--done .admin-ai-generation-step-marker::after,
    .ai-chat-loading-orbit-glow,
    .ai-chat-loading-orbit-core,
    .ai-chat-loading-orbit-ring,
    .ai-chat-loading-orbit-dot,
    .ai-chat-loading-ellipsis span {
        animation: none !important;
    }
}

.admin-generation-loading-page {
    max-width: 51.25rem;
    margin: 0 auto;
}

.admin-generation-loading-form {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 768px) {
    .admin-ai-generation-loading-page {
        margin-top: 1.25rem;
        margin-bottom: 2rem;
        padding: 0 0.75rem;
    }

    .admin-ai-generation-card {
        padding: 2rem 1.25rem 1.5rem;
        border-radius: 1.125rem;
    }

    .admin-ai-generation-title {
        font-size: 1.625rem;
    }

    .admin-ai-generation-lead {
        margin-bottom: 1.25rem;
        font-size: 0.875rem;
    }

    .admin-ai-generation-stepper {
        max-width: none;
    }

    .admin-ai-generation-step-label {
        font-size: 0.8125rem;
    }

    .admin-ai-generation-progress {
        max-width: none;
    }
}

.admin-generation-success {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 42rem;
}

.admin-generation-success-status {
    padding: 0.875rem 1rem;
    color: #065f46;
    font-size: 0.9375rem;
    font-weight: 500;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 0.75rem;
}

.admin-generation-success-actions {
    margin-top: 0.25rem;
}

.admin-course-detail-header {
    align-items: flex-start;
}

.admin-course-detail-title-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.admin-course-detail-meta {
    margin-top: 0.75rem;
}

.admin-course-detail-actions {
    flex-shrink: 0;
}

.admin-course-detail-section {
    margin-top: 1.5rem;
}

.admin-course-detail-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.admin-course-detail-section-header .section-title {
    margin: 0;
}

.admin-lesson-create-form {
    margin: 0;
}

.admin-course-detail-empty {
    margin: 0;
    color: #6b7280;
    font-size: 0.9375rem;
}

.admin-lesson-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-lesson-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-lesson-number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    background: #f3f4f6;
    border-radius: 9999px;
}

.admin-lesson-body {
    flex: 1;
    min-width: 0;
}

.admin-lesson-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}

.admin-lesson-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
}

.admin-lesson-order {
    font-size: 0.8125rem;
    color: #6b7280;
}

.admin-lesson-description {
    margin: 0.375rem 0 0;
    font-size: 0.875rem;
    color: #4b5563;
    line-height: 1.5;
}

.admin-lesson-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    list-style: none;
    margin: 0.625rem 0 0;
    padding: 0;
}

.admin-lesson-indicator {
    font-size: 0.75rem;
    font-weight: 500;
    color: #374151;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 9999px;
    padding: 0.125rem 0.625rem;
}

.admin-lesson-actions {
    flex-shrink: 0;
    align-self: center;
}

.admin-quiz-summary {
    padding: 1rem 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-quiz-summary-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.admin-quiz-readonly-section {
    margin-top: 2rem;
}

.admin-quiz-readonly-count {
    margin: 0 0 1rem;
    color: #6b7280;
    font-size: 0.9375rem;
}

.admin-quiz-question-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.admin-quiz-question-card {
    padding: 1rem 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.admin-quiz-question-header {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.admin-quiz-question-number {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    color: #2563eb;
    font-size: 0.8125rem;
    font-weight: 700;
    background: #eff6ff;
    border-radius: 9999px;
}

.admin-quiz-question-text {
    margin: 0;
    color: #111827;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
}

.admin-quiz-question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin: 0.75rem 0 0 2.5rem;
    padding: 0;
    list-style: none;
    color: #6b7280;
    font-size: 0.8125rem;
}

.admin-quiz-question-explanation {
    margin: 0.75rem 0 0 2.5rem;
    color: #374151;
    font-size: 0.875rem;
    line-height: 1.5;
}

.admin-quiz-question-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0.75rem 0 0 2.5rem;
    padding: 0;
    list-style: none;
}

.admin-quiz-option {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: #374151;
    font-size: 0.875rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.admin-quiz-option--correct {
    color: #166534;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.admin-quiz-option-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    color: #166534;
    font-size: 0.75rem;
    font-weight: 600;
    background: #dcfce7;
    border-radius: 9999px;
}

.admin-quiz-question-edit-link {
    flex-shrink: 0;
    align-self: flex-start;
}

.admin-quiz-questions-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.admin-quiz-question-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex-shrink: 0;
    margin-left: auto;
    align-self: flex-start;
}

.admin-quiz-question-reorder-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.admin-quiz-question-reorder-form {
    margin: 0;
}

.admin-quiz-question-reorder-button {
    min-width: 2.25rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    font-weight: 600;
    line-height: 1;
}

.admin-quiz-question-reorder-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.admin-quiz-question-delete-form {
    margin: 0;
}

.admin-quiz-question-delete-button {
    color: #b91c1c;
    border-color: #fecaca;
}

.admin-quiz-question-delete-button:hover {
    background: #fef2f2;
    border-color: #fca5a5;
}

.admin-course-delete-link {
    color: #b91c1c;
    border-color: #fecaca;
}

.admin-course-delete-link:hover {
    background: #fef2f2;
    border-color: #fca5a5;
}

.admin-course-delete-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.admin-course-delete-form {
    margin: 0;
}

.admin-course-delete-button {
    color: #b91c1c;
    border-color: #fecaca;
    background: #fff;
}

.admin-course-delete-button:hover {
    background: #fef2f2;
    border-color: #fca5a5;
}

.admin-quiz-option-edit-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-quiz-option-edit-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    padding: 0.75rem 1rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.admin-quiz-option-edit-radio {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding-bottom: 0.375rem;
    font-size: 0.75rem;
    color: #6b7280;
}

.admin-quiz-option-edit-input {
    flex: 1;
    min-width: 0;
}

.button-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.admin-preview-notice {
    margin: 0 0 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid #fcd34d;
    border-radius: 0.5rem;
    background: #fffbeb;
    color: #92400e;
}

.admin-preview-notice p {
    margin: 0;
}

.admin-preview-form {
    margin-top: 0;
}

.admin-preview-regenerate-form {
    display: inline;
}

.admin-preview-apply-form {
    margin-top: 0;
}

.admin-preview-actions {
    margin-top: 1rem;
}

.admin-preview-regenerate-actions {
    margin-top: 0.75rem;
}

.admin-preview-question-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-preview-question-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.admin-preview-question-select input {
    width: 1rem;
    height: 1rem;
}

.admin-lesson-edit-actions {
    flex-wrap: wrap;
}

.admin-practical-task-preview {
    margin-top: 1.5rem;
}

.admin-practical-task-preview-card {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: #f9fafb;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-practical-task-preview-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
}

.admin-practical-task-preview-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.admin-practical-task-preview-label {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
}

.admin-practical-task-preview-text {
    margin: 0;
    color: #1f2937;
    line-height: 1.6;
    white-space: pre-wrap;
}

.admin-practical-task-preview-meta {
    margin: 0;
    font-size: 0.875rem;
    color: #6b7280;
}

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        height: auto;
        max-height: none;
        overflow: visible;
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
    }

    .sidebar-nav {
        flex: 0 0 auto;
        min-height: 0;
        overflow: visible;
    }

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

    .dashboard-course-actions {
        width: 100%;
        justify-content: stretch;
    }

    .dashboard-course-actions .button {
        width: 100%;
        text-align: center;
    }

    .dashboard-metrics {
        grid-template-columns: 1fr;
    }

    .lesson-list-item {
        grid-template-columns: 2.5rem minmax(0, 1fr);
        gap: 0.75rem;
    }

    .lesson-list-action {
        grid-column: 1 / -1;
    }

    .lesson-open-btn {
        width: 100%;
        text-align: center;
    }

    .course-detail-continue-btn {
        width: 100%;
        text-align: center;
    }

    .course-quiz-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

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

    .lesson-sidebar {
        position: static;
        order: -1;
    }

    .lesson-nav {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .lesson-nav-previous,
    .lesson-nav-center,
    .lesson-nav-next {
        justify-content: stretch;
    }

    .lesson-nav-btn {
        width: 100%;
        text-align: center;
    }

    .lesson-nav-course-link {
        display: block;
        text-align: center;
    }

    .lesson-complete-label {
        display: block;
        width: 100%;
        text-align: center;
    }

    .quiz-header-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .quiz-submit-btn {
        width: 100%;
        text-align: center;
    }

    .quiz-actions .button {
        width: 100%;
        text-align: center;
    }

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

    .admin-page-header {
        flex-direction: column;
    }

    .admin-page-header-actions {
        width: 100%;
    }

    .admin-create-btn {
        display: block;
        width: 100%;
        text-align: center;
    }

    .admin-course-actions {
        width: 100%;
        justify-content: stretch;
    }

    .admin-course-actions .button {
        width: 100%;
        text-align: center;
    }

    .admin-course-detail-header {
        flex-direction: column;
    }

    .admin-course-detail-actions {
        width: 100%;
        flex-direction: column;
    }

    .admin-course-detail-actions .button {
        width: 100%;
        text-align: center;
    }

    .admin-lesson-item {
        flex-direction: column;
    }

    .admin-lesson-actions {
        width: 100%;
        align-self: stretch;
    }

    .admin-lesson-actions .button {
        width: 100%;
        text-align: center;
    }

    .admin-create-form {
        padding: 1.25rem;
    }

    .admin-form-actions {
        flex-direction: column-reverse;
    }

    .admin-form-actions .button {
        width: 100%;
        text-align: center;
    }

    .admin-upload-confirm-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .main {
        padding: 1.25rem 1rem 2rem;
    }
}

/* Authenticated sidebar account */

.sidebar {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    overflow: hidden;
}

.brand {
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}

.sidebar-account {
    flex-shrink: 0;
    margin-top: auto;
    padding: 1rem 0.75rem 0;
    border-top: 1px solid #e5e7eb;
}

.sidebar-account-company {
    color: #111827;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    overflow-wrap: anywhere;
}

.sidebar-account-role {
    margin-top: 0.25rem;
    color: #6b7280;
    font-size: 0.8125rem;
    line-height: var(--line-height-snug);
}

.sidebar-logout-form {
    margin-top: 0.875rem;
}

.sidebar-logout {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: #ffffff;
    color: #374151;
    font: inherit;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    text-align: left;
    cursor: pointer;
}

.sidebar-logout:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.sidebar-logout:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Password login */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem 3rem;
}

.auth-card {
    width: 100%;
    max-width: 28rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.auth-card-header {
    margin-bottom: 1.5rem;
}

.auth-eyebrow {
    margin: 0 0 0.5rem;
    color: #6b7280;
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.auth-card-header h1 {
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
}

.auth-description {
    margin: 0;
    color: #4b5563;
    line-height: var(--line-height-snug);
}

.auth-error {
    margin-bottom: 1.25rem;
    padding: 0.875rem 1rem;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
    background: #fef2f2;
    color: #b91c1c;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auth-field span {
    color: #374151;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
}

.auth-field input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: #ffffff;
}

.auth-field input:focus-visible {
    border-color: #2563eb;
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.auth-submit {
    width: 100%;
    margin-top: 0.25rem;
    border: none;
    cursor: pointer;
    text-align: center;
}

/* Platform administration */
.platform-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: -0.25rem 0 1.5rem;
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    background: #ffffff;
}

.platform-subnav-link {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: #4b5563;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
}

.platform-subnav-link:hover {
    background: #f3f4f6;
    color: #111827;
}

.platform-subnav-link.is-active {
    background: #e8f0ff;
    color: #1d4ed8;
}

.platform-subnav-link:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.section-description {
    margin: 0.35rem 0 0;
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
}

.platform-company-list {
    display: grid;
    gap: 1rem;
}

.platform-company-card {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    background: #ffffff;
}

.platform-company-summary {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.platform-company-summary h3,
.platform-company-summary p {
    margin: 0;
}

.platform-company-summary h3 {
    color: #111827;
    font-size: 1rem;
}

.platform-company-summary p,
.platform-usage-meta {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
}

.platform-usage-meta {
    display: grid;
    gap: 0.2rem;
    text-align: right;
}

.platform-limit-form {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    align-items: end;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.platform-operation-form,
.platform-inline-form {
    display: grid;
    align-items: end;
    gap: 0.75rem;
}

.platform-operation-form {
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
}

.platform-inline-form {
    grid-template-columns: minmax(12rem, 1fr) minmax(12rem, 1fr) auto;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.platform-card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 0.75rem;
}

.platform-card-actions .platform-inline-form {
    flex: 1 1 32rem;
}

.platform-status {
    display: inline-flex;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.platform-status.is-active {
    background: #dcfce7;
    color: #166534;
}

.platform-status.is-inactive {
    background: #f3f4f6;
    color: #4b5563;
}

@media (max-width: 900px) {
    .platform-limit-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .platform-operation-form,
    .platform-inline-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .platform-limit-form .button {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .platform-subnav {
        margin-bottom: 1rem;
    }

    .platform-subnav-link {
        flex: 1 1 auto;
        text-align: center;
    }

    .platform-company-summary {
        flex-direction: column;
    }

    .platform-usage-meta {
        text-align: left;
    }

    .platform-limit-form {
        grid-template-columns: 1fr;
    }

    .platform-operation-form,
    .platform-inline-form {
        grid-template-columns: 1fr;
    }
}