/* Batch 8: timetable preparation and generation workspace. */

.r2-generation-page {
    width: min(100%, var(--r2-content-max));
    margin-inline: auto;
    padding: var(--r2-space-8);
    color: var(--r2-text);
}

.r2-generation-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--r2-space-6);
    margin-bottom: var(--r2-space-6);
}

.r2-generation-header h1 {
    margin-bottom: var(--r2-space-2);
}

.r2-generation-intro {
    max-width: 68ch;
    margin: 0;
    color: var(--r2-text-secondary);
}

.r2-generation-header-actions,
.r2-generation-section-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--r2-space-2);
}

.r2-generation-section-tabs {
    display: flex;
    gap: var(--r2-space-2);
    margin-bottom: var(--r2-space-6);
    padding-bottom: var(--r2-space-2);
    overflow-x: auto;
    border-bottom: 1px solid var(--r2-divider);
}

.r2-generation-section-tab {
    display: grid;
    min-width: 10rem;
    gap: 0.1rem;
    padding: var(--r2-space-3) var(--r2-space-4);
    border: 1px solid transparent;
    border-radius: var(--r2-radius-md);
    color: var(--r2-text-secondary);
    text-decoration: none;
    white-space: nowrap;
}

.r2-generation-section-tab span {
    color: var(--r2-text-muted);
    font-size: var(--r2-font-size-xs);
}

.r2-generation-section-tab:hover,
.r2-generation-section-tab.is-active {
    border-color: var(--r2-primary-border);
    background: var(--r2-primary-soft);
    color: var(--r2-primary-hover);
}

.r2-generation-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin-bottom: var(--r2-space-6);
    border: 1px solid var(--r2-border);
    background: var(--r2-border);
}

.r2-generation-step {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: var(--r2-space-3);
    padding: var(--r2-space-3) var(--r2-space-4);
    background: var(--r2-surface);
    color: var(--r2-text-muted);
}

.r2-generation-step > span {
    display: grid;
    width: 1.75rem;
    height: 1.75rem;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: var(--r2-font-size-xs);
    font-weight: var(--r2-weight-bold);
}

.r2-generation-step div {
    display: grid;
    min-width: 0;
}

.r2-generation-step strong {
    color: inherit;
    font-size: var(--r2-font-size-sm);
}

.r2-generation-step small {
    overflow: hidden;
    font-size: var(--r2-font-size-xs);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.r2-generation-step.is-active {
    background: var(--r2-primary-soft);
    color: var(--r2-primary);
}

.r2-generation-step.is-complete {
    color: var(--r2-success);
}

.r2-generation-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 20rem);
    gap: var(--r2-space-6);
    align-items: start;
}

.r2-generation-main {
    min-width: 0;
    border-top: 1px solid var(--r2-divider);
}

.r2-generation-section,
.r2-generation-review {
    padding: var(--r2-space-6) 0;
    border-bottom: 1px solid var(--r2-divider);
    background: transparent;
}

.r2-generation-section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--r2-space-4);
    margin-bottom: var(--r2-space-4);
}

.r2-generation-section-head h2 {
    margin: 0 0 var(--r2-space-1);
    font-size: var(--r2-font-size-xl);
}

.r2-generation-section-head p {
    max-width: 68ch;
    margin: 0;
    color: var(--r2-text-secondary);
    font-size: var(--r2-font-size-sm);
}

.r2-generation-step-label,
.r2-generation-sidebar-label {
    display: block;
    margin-bottom: var(--r2-space-1);
    color: var(--r2-primary);
    font-size: var(--r2-font-size-xs);
    font-weight: var(--r2-weight-bold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.r2-generation-class-grid {
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: var(--r2-space-2);
}

.r2-generation-page .generation-class-tile.clean-class-tile {
    min-width: 0;
    border: 1px solid var(--r2-border);
    border-radius: var(--r2-radius-md);
    background: var(--r2-surface);
    box-shadow: none;
}

.r2-generation-page .generation-class-tile:has(.generation-class-checkbox:checked) {
    border-color: var(--r2-primary-border);
    background: var(--r2-primary-soft);
}

.r2-generation-existing-note {
    color: var(--r2-warning);
    font-size: var(--r2-font-size-xs);
    font-weight: var(--r2-weight-medium);
}

.r2-generation-assignment-summary,
.r2-generation-review-summary,
.r2-generation-confirm-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--r2-border);
    background: var(--r2-surface);
}

.r2-generation-assignment-summary > div,
.r2-generation-review-summary > div,
.r2-generation-confirm-summary > div {
    display: grid;
    gap: var(--r2-space-1);
    padding: var(--r2-space-3) var(--r2-space-4);
    border-left: 1px solid var(--r2-divider);
}

.r2-generation-assignment-summary > div:first-child,
.r2-generation-review-summary > div:first-child,
.r2-generation-confirm-summary > div:first-child {
    border-left: 0;
}

.r2-generation-assignment-summary span,
.r2-generation-review-summary span,
.r2-generation-confirm-summary dt {
    color: var(--r2-text-muted);
    font-size: var(--r2-font-size-xs);
}

.r2-generation-assignment-summary strong,
.r2-generation-review-summary strong,
.r2-generation-confirm-summary dd {
    margin: 0;
    color: var(--r2-text);
    font-size: var(--r2-font-size-lg);
}

.r2-generation-assignment-summary .is-warning strong {
    color: var(--r2-warning);
}

.r2-generation-assignment-summary .is-danger strong {
    color: var(--r2-danger);
}

.r2-generation-page .generation-readiness-panel {
    margin-top: var(--r2-space-4);
}

.r2-generation-page .generation-readiness-card {
    border-radius: var(--r2-radius-md);
    box-shadow: none;
}

.r2-generation-disclosure {
    border-bottom: 1px solid var(--r2-divider);
}

.r2-generation-disclosure > summary {
    display: flex;
    min-height: 4.5rem;
    align-items: center;
    justify-content: space-between;
    gap: var(--r2-space-4);
    padding: var(--r2-space-4) 0;
    color: var(--r2-text);
    cursor: pointer;
    list-style: none;
}

.r2-generation-disclosure > summary::-webkit-details-marker {
    display: none;
}

.r2-generation-disclosure > summary > span:first-child {
    display: grid;
    gap: var(--r2-space-1);
}

.r2-generation-disclosure > summary small {
    color: var(--r2-text-muted);
    font-size: var(--r2-font-size-xs);
    font-weight: var(--r2-weight-regular);
}

.r2-generation-disclosure > summary > span:last-child {
    color: var(--r2-primary);
    font-size: var(--r2-font-size-sm);
    font-weight: var(--r2-weight-medium);
}

.r2-generation-disclosure[open] > summary > span:last-child::after {
    content: "Скрыть";
}

.r2-generation-disclosure[open] > summary > span:last-child {
    font-size: 0;
}

.r2-generation-disclosure[open] > summary > span:last-child::after {
    font-size: var(--r2-font-size-sm);
}

.r2-generation-disclosure > :not(summary) {
    margin-bottom: var(--r2-space-6);
}

.r2-generation-subjects .generation-grade-subject-card {
    border-color: var(--r2-border);
    border-radius: var(--r2-radius-md);
    box-shadow: none;
}

.r2-generation-subjects .generation-subject-table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

.r2-generation-advanced-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--r2-space-4);
}

.r2-generation-policy-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--r2-space-2);
    margin-top: var(--r2-space-4);
}

.r2-generation-policy-list .generation-lock-option {
    min-height: 3.25rem;
    border: 1px solid var(--r2-border);
    border-radius: var(--r2-radius-md);
    background: var(--r2-surface);
}

.r2-generation-review {
    border-bottom: 0;
}

.r2-generation-draft-recovery {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--r2-space-4);
    margin-bottom: var(--r2-space-4);
    padding: var(--r2-space-3) var(--r2-space-4);
    border: 1px solid var(--r2-info-border);
    background: var(--r2-info-soft);
}

.r2-generation-draft-recovery p {
    margin: var(--r2-space-1) 0 0;
    color: var(--r2-text-secondary);
    font-size: var(--r2-font-size-sm);
}

.r2-generation-review-summary {
    margin-bottom: var(--r2-space-4);
}

.r2-generation-submit-actions {
    justify-content: flex-end;
}

.r2-generation-submit-actions .r2-button--primary {
    min-width: 12rem;
}

.r2-generation-page .generation-response {
    min-width: 0;
    margin-top: var(--r2-space-4);
    overflow-x: hidden;
}

.r2-generation-page .generation-review-ready {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--r2-space-3);
    margin-top: var(--r2-space-2);
    padding: var(--r2-space-3) var(--r2-space-4);
    border: 1px solid var(--r2-success-border);
    background: var(--r2-success-soft);
}

.generation-support-action {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--r2-space-4);
}

.r2-generation-sidebar {
    position: sticky;
    top: var(--r2-space-4);
    border: 1px solid var(--r2-border);
    background: var(--r2-surface);
}

.r2-generation-sidebar-section {
    padding: var(--r2-space-4);
    border-top: 1px solid var(--r2-divider);
}

.r2-generation-sidebar-section:first-child {
    border-top: 0;
}

.r2-generation-sidebar-section h2,
.r2-generation-sidebar-section h3 {
    margin: 0;
}

.r2-generation-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--r2-space-3);
    margin-bottom: var(--r2-space-3);
}

.r2-generation-sidebar-head a {
    font-size: var(--r2-font-size-sm);
}

.r2-generation-facts {
    display: grid;
    gap: var(--r2-space-2);
    margin: var(--r2-space-4) 0 0;
}

.r2-generation-facts > div {
    display: flex;
    justify-content: space-between;
    gap: var(--r2-space-3);
}

.r2-generation-facts dt {
    color: var(--r2-text-muted);
}

.r2-generation-facts dd {
    margin: 0;
    font-weight: var(--r2-weight-bold);
}

.r2-generation-history {
    display: grid;
    gap: var(--r2-space-3);
}

.r2-generation-history-row {
    display: flex;
    min-width: 0;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--r2-space-3);
}

.r2-generation-history-row > div {
    display: grid;
    min-width: 0;
    gap: 0.1rem;
}

.r2-generation-history-row strong {
    overflow: hidden;
    font-size: var(--r2-font-size-sm);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.r2-generation-history-row span:not(.r2-status) {
    color: var(--r2-text-muted);
    font-size: var(--r2-font-size-xs);
}

.r2-generation-help p {
    margin: var(--r2-space-2) 0 var(--r2-space-3);
    color: var(--r2-text-secondary);
    font-size: var(--r2-font-size-sm);
}

.r2-generation-empty {
    padding: var(--r2-space-10) 0;
    border-top: 1px solid var(--r2-divider);
}

.r2-generation-empty p {
    color: var(--r2-text-secondary);
}

.r2-generation-confirm {
    width: min(34rem, calc(100vw - 2rem));
    padding: 0;
    border: 1px solid var(--r2-border-strong);
    border-radius: var(--r2-radius-overlay);
    background: var(--r2-surface);
    color: var(--r2-text);
    box-shadow: var(--r2-shadow-dialog);
}

.r2-generation-confirm::backdrop {
    background: rgba(16, 29, 54, 0.35);
}

.r2-generation-confirm form {
    padding: var(--r2-space-6);
}

.r2-generation-confirm-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--r2-space-4);
}

.r2-generation-confirm-head h2 {
    margin: 0;
}

.r2-generation-confirm-summary {
    margin: var(--r2-space-4) 0;
}

.r2-generation-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--r2-space-2);
}

/* Progress is a compact status surface rather than a blocking full-page overlay. */
.r2-generation-progress.generator-loading-overlay {
    position: fixed;
    z-index: 1200;
    inset: auto var(--r2-space-6) var(--r2-space-6) auto;
    width: min(25rem, calc(100vw - 2rem));
    pointer-events: none;
}

.r2-generation-progress .generator-loading-backdrop {
    display: none;
}

.r2-generation-progress .generator-loading-card {
    position: static;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: var(--r2-space-4);
    border: 1px solid var(--r2-primary-border);
    border-radius: var(--r2-radius-overlay);
    background: var(--r2-surface);
    box-shadow: var(--r2-shadow-menu);
    transform: none;
}

.r2-generation-progress .generator-loading-card h3 {
    margin-bottom: var(--r2-space-1);
}

.r2-generation-progress-track {
    height: 0.35rem;
    margin-top: var(--r2-space-3);
    overflow: hidden;
    border-radius: var(--r2-radius-pill);
    background: var(--r2-surface-muted);
}

.r2-generation-progress-track span {
    display: block;
    width: 18%;
    height: 100%;
    border-radius: inherit;
    background: var(--r2-primary);
    transition: width 500ms var(--r2-ease-standard);
}

@media (max-width: 70rem) {
    .r2-generation-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .r2-generation-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .r2-generation-sidebar-section {
        border-top: 0;
        border-left: 1px solid var(--r2-divider);
    }

    .r2-generation-sidebar-section:first-child {
        border-left: 0;
    }
}

@media (max-width: 48rem) {
    .r2-generation-page {
        padding: var(--r2-space-5) var(--r2-space-4);
    }

    .r2-generation-header,
    .r2-generation-section-head,
    .r2-generation-draft-recovery,
    .r2-generation-page .generation-review-ready {
        align-items: stretch;
        flex-direction: column;
    }

    .r2-generation-header-actions,
    .r2-generation-section-actions,
    .r2-generation-submit-actions {
        justify-content: flex-start;
    }

    .r2-generation-steps {
        grid-template-columns: 1fr;
    }

    .r2-generation-step small {
        white-space: normal;
    }

    .r2-generation-assignment-summary,
    .r2-generation-review-summary,
    .r2-generation-confirm-summary,
    .r2-generation-advanced-grid,
    .r2-generation-policy-list,
    .r2-generation-sidebar {
        grid-template-columns: 1fr;
    }

    .r2-generation-assignment-summary > div,
    .r2-generation-review-summary > div,
    .r2-generation-confirm-summary > div,
    .r2-generation-sidebar-section {
        border-top: 1px solid var(--r2-divider);
        border-left: 0;
    }

    .r2-generation-assignment-summary > div:first-child,
    .r2-generation-review-summary > div:first-child,
    .r2-generation-confirm-summary > div:first-child,
    .r2-generation-sidebar-section:first-child {
        border-top: 0;
    }

    .r2-generation-submit-actions .r2-button,
    .r2-generation-confirm-actions .r2-button {
        flex: 1 1 auto;
    }

    .r2-generation-progress.generator-loading-overlay {
        inset: auto var(--r2-space-4) var(--r2-space-4) var(--r2-space-4);
        width: auto;
    }
}

/* Batch 23.2: shared grade curriculum and per-class exceptions. */
.r2-curriculum-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--r2-space-3) var(--r2-space-4);
    align-items: center;
    margin: var(--r2-space-4) 0;
    padding: var(--r2-space-4);
    border: 1px solid var(--r2-divider);
    border-radius: var(--r2-radius-md);
    background: var(--r2-surface-subtle);
}

.r2-curriculum-toolbar > div:first-child {
    display: grid;
    gap: var(--r2-space-1);
}

.r2-curriculum-toolbar small,
.r2-curriculum-class-card small,
.r2-curriculum-exceptions summary small {
    display: block;
    color: var(--r2-text-muted);
}

.r2-curriculum-toolbar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--r2-space-2);
    justify-content: flex-end;
}

.r2-curriculum-toolbar [data-curriculum-status] {
    grid-column: 1 / -1;
    min-height: 1.25rem;
    margin: 0;
}

.r2-curriculum-exceptions {
    margin-top: var(--r2-space-4);
    border-top: 1px solid var(--r2-divider);
}

.r2-curriculum-exceptions > summary,
.r2-curriculum-class-card > summary {
    display: flex;
    justify-content: space-between;
    gap: var(--r2-space-4);
    align-items: center;
    cursor: pointer;
    padding: var(--r2-space-4) 0;
}

.r2-curriculum-class-list {
    display: grid;
    gap: var(--r2-space-3);
    padding-bottom: var(--r2-space-4);
}

.r2-curriculum-class-card {
    border: 1px solid var(--r2-divider);
    border-radius: var(--r2-radius-md);
    padding: 0 var(--r2-space-4);
    background: var(--r2-surface);
}

.r2-curriculum-exception-table select {
    min-width: 11rem;
}

.r2-curriculum-exception-table td:first-child small {
    margin-top: var(--r2-space-1);
}

@media (max-width: 48rem) {
    .r2-curriculum-toolbar {
        grid-template-columns: 1fr;
    }

    .r2-curriculum-toolbar__actions {
        justify-content: flex-start;
    }
}

.r2-generation-assignment-summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 64rem) {
    .r2-generation-assignment-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 48rem) {
    .r2-generation-assignment-summary {
        grid-template-columns: 1fr;
    }
}

.r2-generation-submit-actions .r2-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    filter: saturate(0.65);
}

.r2-generation-submit-actions .r2-button:disabled:hover {
    transform: none;
}