/**
 * TESTSYSTEM EXTENDED STYLES - Sprint 17
 * Общие стили для всех модулей системы тестирования
 * Спринты 9-16: Materials, Permissions, Paths, Questions, Gamification, Notifications, Analytics, Certificates
 */

/* ==================== GENERAL UTILITIES ==================== */

.cursor-pointer {
    cursor: pointer;
}

/* Dropdown меню - правильное позиционирование */
.navbar-nav .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    right: 0 !important;
    left: auto !important;
    margin-top: 0 !important; /* Убираем отступ, прижимаем к нику */
}

.navbar-nav .dropdown-menu-end {
    right: 0 !important;
    left: auto !important;
}

.handle {
    cursor: move;
}

.text-decoration-none:hover {
    text-decoration: none !important;
}

/* ==================== LEARNING MATERIALS (Sprint 9) ==================== */

.material-block {
    transition: all 0.3s ease;
}

.material-block.block-completed {
    background-color: var(--color-bg-page);
    border-left: 4px solid var(--color-success);
}

.block-text {
    line-height: 1.8;
    font-size: 1.05rem;
}

.block-image img,
.block-video iframe,
.block-video video {
    border-radius: var(--radius-btn);
}

.rich-text-editor {
    font-family: 'Courier New', monospace;
}

/* ==================== CATEGORY PERMISSIONS (Sprint 10) ==================== */

.category-permissions-group {
    transition: all 0.2s ease;
}

.permission-row:hover {
    background-color: var(--color-bg-page);
}

/* ==================== LEARNING PATHS (Sprint 11) ==================== */

.path-card {
    transition: transform 0.2s ease;
}

.path-card:hover {
    transform: translateY(-1px);
}


.ts-learning-paths-summary {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background-color: var(--color-bg-card);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.ts-learning-paths-summary-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ts-learning-paths-summary-subtitle {
    margin: var(--spacing-xs) 0 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    max-width: 760px;
}

.ts-learning-paths-filters-card {
    margin-bottom: var(--spacing-md);
}

.ts-learning-paths-list-card-body {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.ts-learning-paths-empty-state {
    text-align: center;
    justify-items: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.ts-empty-state-icon {
    font-size: var(--font-size-h2);
    color: var(--color-text-muted);
}

.ts-learning-path-progress-text {
    color: var(--color-text-secondary);
}

.ts-learning-path-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.ts-learning-path-card-template {
    border-color: var(--color-primary);
}

.ts-learning-path-thumb {
    height: 132px;
    object-fit: cover;
}

.ts-learning-path-cover {
    height: 84px;
    background: var(--color-bg-subtle);
}

.ts-learning-path-cover-template {
    background: var(--color-success-light);
}

.ts-learning-path-cover-icon {
    font-size: 2rem;
    color: var(--color-text-secondary);
}

.ts-learning-path-body {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
}

.ts-learning-path-title {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-h3);
    line-height: 1.35;
}

.ts-learning-path-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.75em;
}

.ts-learning-path-badges .ts-learning-path-tag {
    margin-right: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.ts-learning-path-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background-color: var(--color-bg-page);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.2;
}

.ts-learning-path-tag-primary {
    border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
    background-color: var(--color-primary-light);
    color: var(--color-primary-text);
}

.ts-learning-path-tag-success {
    border-color: color-mix(in srgb, var(--color-success) 35%, var(--color-border));
    background-color: var(--color-success-light);
    color: var(--color-success-text);
}

.ts-learning-path-tag-warning {
    border-color: color-mix(in srgb, var(--color-warning) 35%, var(--color-border));
    background-color: var(--color-warning-light);
    color: var(--color-warning-text);
}

.ts-learning-path-tag-danger {
    border-color: color-mix(in srgb, var(--color-danger) 35%, var(--color-border));
    background-color: var(--color-danger-light);
    color: var(--color-danger-text);
}

.ts-learning-path-tag-neutral {
    border-color: var(--color-border);
    background-color: var(--color-bg-subtle);
    color: var(--color-text-secondary);
}

.ts-learning-path-tag-muted {
    border-color: var(--color-border);
    background-color: var(--color-bg-page);
    color: var(--color-text-muted);
}

.ts-learning-path-meta {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
}

.ts-learning-path-progress {
    height: 8px;
    background-color: var(--color-bg-page);
}

.ts-learning-path-progress .progress-bar {
    transition: width var(--transition-base);
}

.ts-learning-path-progress-bar-success {
    background-color: var(--color-success);
}

.ts-learning-path-progress-bar-active {
    background-color: var(--color-primary);
}

.ts-learning-path-progress-bar-idle {
    background-color: var(--color-text-muted);
}

.ts-learning-path-action-block {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-card);
}

.ts-learning-path-action-block__status {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.ts-learning-path-action-block__progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ts-learning-path-action-block__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.lp-step-panel-wrapper {
    position: sticky;
    bottom: 0;
    z-index: 1020;
    width: 100%;
    margin-top: var(--spacing-lg);
}

.lp-step-panel {
    width: 100%;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
}

.ts-learning-path-footer {
    background-color: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.ts-learning-path-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-xs);
}

.ts-learning-path-actions > .ts-btn {
    width: 100%;
}

.step-card {
    transition: all 0.3s ease;
}

.step-card.border-success {
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.2);
}

.step-card.border-primary {
    box-shadow: 0 0 10px rgba(13, 110, 253, 0.2);
}

/* ==================== SPECIAL QUESTION TYPES (Sprint 12) ==================== */

.matching-question .matching-select {
    width: 60px;
}

.matching-left-item,
.matching-right-item {
    transition: background-color 0.2s ease;
}

.matching-left-item:hover,
.matching-right-item:hover {
    background-color: var(--color-bg-hover);
}

.ordering-list {
    min-height: 200px;
}

.ordering-item {
    transition: all 0.2s ease;
}

.ordering-item.dragging {
    opacity: 0.5;
}

.fill-blank-input {
    border-bottom: 2px solid var(--color-primary);
    border-top: none;
    border-left: none;
    border-right: none;
    border-radius: 0;
    padding: 2px 5px;
}

.fill-blank-input:focus {
    border-bottom-color: var(--color-primary-dark);
    box-shadow: none;
}

.essay-textarea {
    resize: vertical;
    min-height: 300px;
}

.word-counter {
    font-size: 0.9rem;
}

/* ==================== GAMIFICATION (Sprint 13) ==================== */

.level-badge {
    position: relative;
}

.level-badge-small {
    font-size: 1.1rem;
}

.gamification-widget {
    padding: 10px;
}

.achievement-card {
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.achievement-card.border-warning {
    background: linear-gradient(135deg, var(--color-warning-light) 0%, var(--color-bg-card) 100%);
}

.achievement-icon {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.xp-notification {
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.leaderboard-list .table-primary {
    font-weight: bold;
}

/* ==================== NOTIFICATIONS (Sprint 14) ==================== */

#notifications-dropdown {
    max-height: 400px;
    overflow-y: auto;
}

#notifications-dropdown .list-group-item {
    border-left: none;
    border-right: none;
}

#notifications-dropdown .list-group-item.bg-light {
    background-color: var(--color-primary-light) !important;
}

#notifications-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 20px;
    height: 20px;
    border-radius: var(--radius-btn);
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-settings-container table td {
    vertical-align: middle;
}

/* ==================== ANALYTICS (Sprint 15) ==================== */

.stat-box {
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.analytics-container .card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ==================== CERTIFICATES (Sprint 16) ==================== */

.certificate-card {
    transition: all 0.3s ease;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.certificate-preview {
    border: 2px solid var(--color-warning);
    padding: 20px;
    background: linear-gradient(135deg, var(--color-warning-light) 0%, var(--color-bg-card) 100%);
}

/* ==================== RESPONSIVE UTILITIES ==================== */

@media (max-width: 768px) {
    .test-actions-compact .btn-group {
        flex-direction: column;
    }

    .test-actions-compact .btn {
        width: 100%;
        margin-bottom: 5px;
    }

    .matching-question .row {
        flex-direction: column;
    }

    .gamification-widget {
        font-size: 0.9rem;
    }
}

/* ==================== MODALS ==================== */

.modal-fullscreen-md-down {
    @media (max-width: 768px) {
        max-width: 100%;
        margin: 0;
        min-height: 100vh;
    }
}

/* ==================== ANIMATIONS ==================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* ==================== CUSTOM BADGES ==================== */

.badge.bg-purple {
    background-color: var(--color-xp) !important;
}

/* ==================== PROGRESS BARS ==================== */

.progress {
    border-radius: var(--radius-btn);
    overflow: hidden;
}

.progress-bar {
    transition: width 0.6s ease;
}

/* ==================== CARDS ==================== */

.card {
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ==================== LIST GROUPS ==================== */

.list-group-item-action {
    transition: all 0.2s ease;
}

.list-group-item-action:hover {
    background-color: var(--color-bg-page);
    transform: translateX(5px);
}

/* ==================== TABLES ==================== */

.table-hover tbody tr:hover {
    background-color: var(--color-bg-page);
}

/* ==================== BUTTONS ==================== */

.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn:active {
    box-shadow: none;
}

/* ==================== FORMS ==================== */

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* ==================== ALERTS ==================== */

.alert {
    border-radius: var(--radius-btn);
}

/* ==================== TOOLTIPS & POPOVERS ==================== */

.tooltip {
    font-size: 0.875rem;
}

/* ==================== ACCESSIBILITY ==================== */

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

/* ==================== PRINT STYLES ==================== */

@media print {
    .no-print,
    .btn,
    .modal,
    .notification {
        display: none !important;
    }

    .card {
        border: 1px solid var(--color-border);
        page-break-inside: avoid;
    }
}

/* ==================== DARK MODE SUPPORT (Optional) ==================== */

@media (prefers-color-scheme: dark) {
    /* Можно добавить темную тему при необходимости */
}

/* ==================== MY TESTS (Sprint 17 / Stage 4) ==================== */

.btn-test-action {
    min-width: 40px;
    min-height: 38px;
    padding: 0.375rem 0.75rem;
}

.test-title-clickable {
    cursor: pointer;
    transition: color var(--transition-base);
}

.test-title-clickable:hover {
    color: var(--color-primary) !important;
    text-decoration: underline;
}

/* ==================== MY FAVORITES (Stage 4) ==================== */

.favorite-question-clickable:hover {
    background-color: var(--color-bg-hover);
    border-radius: var(--radius-badge);
    padding: 8px;
    margin: -8px;
}

.favorite-question-clickable:active {
    background-color: var(--color-border);
}

.removing-item {
    transition: all var(--transition-slow);
    opacity: 0.5;
}

#modal-question-text img,
#modal-explanation img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 10px auto;
    border-radius: var(--radius-btn);
    box-shadow: var(--shadow-card);
}

#modal-question-text,
#modal-explanation {
    overflow-x: hidden;
}

/* ==================== LEARNING PATHS — STEP TIMELINE (Stage 4) ==================== */

.step-timeline {
    position: relative;
    padding-left: 40px;
}

.step-timeline::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.step-card {
    position: relative;
    margin-bottom: 1.5rem;
}

.step-card::before {
    content: "";
    position: absolute;
    left: -33px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border-radius: var(--radius-pill);
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    z-index: 1;
}

.step-card.completed::before {
    background: var(--color-success);
    border-color: var(--color-success);
}

.step-card.in-progress::before {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.step-card.available::before {
    background: var(--color-bg-card);
    border-color: var(--color-primary);
}

.step-card.locked::before {
    background: var(--color-text-muted);
    border-color: var(--color-text-muted);
}

/* Drag-and-drop step editor */
.step-editor-card[draggable="true"] {
    cursor: move;
}

.step-editor-card.dragging {
    opacity: 0.5;
}

.step-editor-card.drag-over {
    border-top: 3px solid var(--color-primary);
}

/* ==================== KNOWLEDGE AREAS (Stage 4) ==================== */

.knowledge-areas-wrapper .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.knowledge-areas-wrapper .card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

/* ==================== MANAGE CATEGORIES — TABLE (Stage 4) ==================== */

.manage-categories-page .table tbody tr {
    transition: background-color var(--transition-base);
}

.manage-categories-page .table tbody tr:hover {
    background-color: var(--color-bg-page);
}

/* ==================== ADMIN DATA INTEGRITY (Stage 4) ==================== */

#data-integrity-admin .issue-card {
    margin-bottom: 1rem;
}

#data-integrity-admin .issue-card .card-body {
    max-height: 300px;
    overflow-y: auto;
}

#data-integrity-admin .stat-card {
    transition: transform var(--transition-base);
}

#data-integrity-admin .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

/* ==================== LEADERBOARD (SaaS refresh) ==================== */


.ts-leaderboard-my-stats {
    margin-bottom: var(--spacing-lg);
}

.ts-leaderboard-my-stats-header {
    background-color: var(--color-bg-subtle);
}

.ts-leaderboard-my-stats-headline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.ts-leaderboard-progress {
    margin-bottom: var(--spacing-md);
}

.ts-leaderboard-progress-label {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.ts-leaderboard-progress-track {
    height: 0.5rem;
    background-color: var(--color-bg-page);
}

.ts-leaderboard-progress-bar {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: 0.625rem;
    line-height: 1;
}

.ts-leaderboard-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-sm);
}

.ts-leaderboard-kpi-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    background-color: var(--color-bg-page);
    padding: var(--spacing-sm) var(--spacing-md);
}

.ts-leaderboard-kpi-value {
    margin: 0;
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

.ts-leaderboard-kpi-label {
    margin: 2px 0 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.ts-leaderboard-kpi-note {
    margin: var(--spacing-xs) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}
.ts-leaderboard-page-header {
    margin-bottom: var(--spacing-lg);
}

.ts-leaderboard-page-header-kicker {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.ts-leaderboard-page-header-title {
    margin: 0;
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.ts-leaderboard-page-header-subtitle {
    margin: var(--spacing-sm) 0 0;
    color: var(--color-text-secondary);
    max-width: 760px;
}

.ts-leaderboard-summary {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background-color: var(--color-bg-card);
}

.ts-leaderboard-summary-title {
    margin: 0 0 var(--spacing-md) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ts-leaderboard-summary-grid {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.ts-leaderboard-summary-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    background-color: var(--color-bg-page);
}

.ts-leaderboard-summary-rank {
    display: inline-block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.ts-leaderboard-summary-user {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ts-leaderboard-summary-meta {
    margin: var(--spacing-xs) 0 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.ts-leaderboard-card {
    border-radius: var(--radius-card);
}

.ts-leaderboard-card-body {
    padding: 0;
}

.ts-leaderboard-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.ts-leaderboard-table thead th {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-subtle);
}

.ts-leaderboard-table tbody td {
    padding: 0.75rem var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    vertical-align: middle;
}

.ts-leaderboard-table tbody tr:last-child td {
    border-bottom: none;
}

.ts-leaderboard-table tbody tr:hover {
    background-color: var(--color-bg-page);
}

.ts-leaderboard-row-current {
    background-color: var(--color-primary-light);
}

.ts-leaderboard-col-number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.ts-leaderboard-cell-rank {
    width: 88px;
}

.ts-leaderboard-rank-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 2px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-card);
}

.ts-leaderboard-user-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ts-leaderboard-rank-title {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-page);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.ts-leaderboard-number-success {
    color: var(--color-success-text);
}

.ts-leaderboard-score {
    display: inline-block;
    min-width: 56px;
    text-align: right;
    font-weight: var(--font-weight-semibold);
    font-variant-numeric: tabular-nums;
}

.ts-leaderboard-score-success { color: var(--color-success-text); }
.ts-leaderboard-score-primary { color: var(--color-primary-text); }
.ts-leaderboard-score-warning { color: var(--color-warning-text); }
.ts-leaderboard-score-danger { color: var(--color-danger-text); }
.ts-leaderboard-score-secondary { color: var(--color-text-secondary); }

.ts-leaderboard-streak {
    font-variant-numeric: tabular-nums;
    font-weight: var(--font-weight-medium);
}

.ts-leaderboard-streak-danger { color: var(--color-danger-text); }
.ts-leaderboard-streak-warning { color: var(--color-warning-text); }
.ts-leaderboard-streak-secondary { color: var(--color-text-secondary); }

.ts-leaderboard-empty {
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .ts-leaderboard-kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ts-leaderboard-table thead th,
    .ts-leaderboard-table tbody td {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}


/* ==================== HOME PAGE SHOWCASE (Sprint 18) ==================== */

.ts-home {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.ts-home-hero {
    padding-top: var(--spacing-md);
}

.ts-home-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    gap: var(--spacing-lg);
    align-items: stretch;
}

.ts-home-hero-content {
    padding: var(--spacing-xl) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-card);
}

.ts-home-hero-eyebrow {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.ts-home-hero-title {
    margin: 0 0 var(--spacing-md);
    max-width: 14ch;
    font-size: clamp(2rem, 3vw, 2.6rem);
    line-height: 1.15;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ts-home-hero-text {
    margin: 0 0 var(--spacing-lg);
    max-width: 60ch;
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.ts-home-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.ts-home-hero-side {
    align-self: stretch;
}

.ts-home-summary-list {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--color-text-secondary);
    display: grid;
    gap: var(--spacing-sm);
}

.ts-home-kpis {
    padding: 0;
}

.ts-home-kpi-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.ts-kpi-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-card);
}

.ts-kpi-value {
    margin: 0 0 2px;
    font-size: 1.25rem;
    line-height: 1.2;
    font-weight: var(--font-weight-semibold);
}

.ts-kpi-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.ts-home-section {
    padding: 0;
}

.ts-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ts-section-header-compact {
    margin-bottom: var(--spacing-sm);
}

.ts-section-title {
    margin: 0 0 4px;
    font-size: var(--font-size-h2);
    line-height: 1.3;
    font-weight: var(--font-weight-semibold);
}

.ts-section-text {
    margin: 0;
    color: var(--color-text-secondary);
}

.ts-test-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.ts-test-card-meta,
.ts-test-card-subtitle,
.ts-test-score-label,
.ts-leader-meta {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.ts-test-card-title {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-h3);
    line-height: 1.35;
    font-weight: var(--font-weight-semibold);
}

.ts-test-card-subtitle {
    margin: 0;
}

.ts-test-card-footer {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-md);
}

.ts-test-score {
    display: grid;
    gap: 2px;
}

.ts-test-score-value {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
}

.ts-home-secondary-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: var(--spacing-md);
}

.ts-leader-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.ts-leader-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.ts-leader-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
}

.ts-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-subtle);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    flex: 0 0 auto;
}

.ts-leader-user-text {
    min-width: 0;
}

.ts-leader-name {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
}

.ts-leader-score {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
}

.ts-empty-state {
    display: grid;
    gap: var(--spacing-sm);
}

.ts-empty-state-title {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.ts-empty-state-text {
    color: var(--color-text-secondary);
}

.ts-empty-state-actions {
    margin-top: var(--spacing-xs);
}

.ts-material-list {
    display: grid;
    gap: var(--spacing-xs);
}

.ts-material-link {
    display: block;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-input);
    text-decoration: none;
    color: var(--color-text-primary);
    background: var(--color-bg-card);
}

.ts-material-link:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.ts-home-cta {
    padding-bottom: var(--spacing-md);
}

.ts-cta-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-card);
}

.ts-cta-panel-hidden {
    display: none;
}

.ts-cta-title {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-h2);
}

.ts-cta-text {
    margin: 0;
    color: var(--color-text-secondary);
}

.ts-footer-simple {
    background: var(--color-bg-subtle);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.ts-footer-simple a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.ts-footer-simple a:hover {
    color: var(--color-text-primary);
}

@media (max-width: 991.98px) {
    .ts-home-hero-grid,
    .ts-home-kpi-row,
    .ts-test-card-grid,
    .ts-home-secondary-grid {
        grid-template-columns: 1fr;
    }

    .ts-section-header,
    .ts-test-card-footer,
    .ts-cta-panel {
        flex-direction: column;
        align-items: stretch;
    }

    .ts-home-hero-content {
        padding: var(--spacing-lg);
    }
}

/* ==================== ADD TEST: IMPORT STEP REWORK ==================== */

.ts-import-step {
    margin-bottom: var(--spacing-md);
}

.ts-import-step-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.ts-import-step-title {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-h3);
}

.ts-import-step-subtitle {
    margin: 0.5rem 0 0;
    color: var(--color-text-secondary);
}

.ts-import-upload-card {
    border-color: color-mix(in srgb, var(--color-primary) 14%, var(--color-border));
}

.ts-import-upload-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.ts-import-upload-switch {
    width: 2.8rem !important;
    height: 1.45rem;
    cursor: pointer;
}

.ts-import-upload-toggle-note {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.ts-import-upload-block {
    margin-top: var(--spacing-md);
}

.ts-import-upload-hint {
    margin: 0.65rem 0 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.ts-import-format-card {
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-subtle);
    padding: var(--spacing-md);
}

.ts-import-format-title {
    margin: 0 0 0.75rem;
    font-weight: var(--font-weight-semibold);
}

.ts-import-format-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.ts-import-format-list li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 0.6rem;
    align-items: baseline;
    color: var(--color-text-primary);
}


.ts-import-format-list li > div {
    min-width: 0;
}

.ts-import-format-list li > .ts-import-col-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.18rem 0.45rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-text);
    background: var(--color-primary-light);
}

/* ==================== CSV IMPORT PAGE REWORK ==================== */

.ts-import-page-header {
    margin-bottom: var(--spacing-lg);
}

.ts-import-page-header-kicker {
    margin: 0 0 0.4rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.ts-import-page-header-title {
    margin: 0;
    font-size: var(--font-size-h1);
}

.ts-import-page-header-subtitle {
    margin: 0.65rem 0 0;
    color: var(--color-text-secondary);
    max-width: 760px;
}

.ts-import-test-meta .ts-card-title {
    font-size: var(--font-size-h3);
}

.ts-import-upload-main .ts-card-description {
    margin-top: 0.4rem;
}

.ts-import-format-panel {
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-subtle);
    padding: var(--spacing-md);
}

.ts-import-format-panel-title {
    margin: 0 0 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: var(--font-weight-semibold);
}

.ts-import-format-panel-note {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.ts-import-inline-example {
    display: inline-block;
    padding: 0.08rem 0.45rem;
    border-radius: var(--radius-pill);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    font-size: 0.875rem;
    white-space: nowrap;
}

.ts-import-result-card {
    margin-bottom: var(--spacing-md);
}

.ts-import-result-success {
    border-color: color-mix(in srgb, var(--color-success) 35%, var(--color-border));
    background: color-mix(in srgb, var(--color-success-light) 45%, var(--color-bg-card));
}

.ts-import-result-grid {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(280px, 1.3fr) auto;
    gap: var(--spacing-md);
    align-items: start;
}

.ts-import-result-kicker {
    margin: 0;
    color: var(--color-success-text);
    font-weight: var(--font-weight-semibold);
}

.ts-import-result-title {
    margin: 0.5rem 0 0;
    font-size: var(--font-size-h2);
}

.ts-import-result-note {
    margin: 0.6rem 0 0;
    color: var(--color-text-secondary);
}

.ts-import-result-caption {
    margin: 0;
    font-weight: var(--font-weight-medium);
}

.ts-import-result-list {
    margin: 0.45rem 0 0;
    padding-left: 1.2rem;
}

.ts-import-result-list li + li {
    margin-top: 0.2rem;
}

.ts-import-result-more {
    margin: 0.5rem 0 0;
    color: var(--color-text-secondary);
}

.ts-import-result-action {
    align-self: center;
}

@media (max-width: 1199.98px) {
    .ts-import-result-grid {
        grid-template-columns: 1fr;
    }

    .ts-import-result-action {
        align-self: start;
    }
}


@media (max-width: 767.98px) {
    .ts-learning-paths-summary {
        flex-direction: column;
    }
}