body {
    min-height: 100vh;
}

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--tblr-body-color);
    text-decoration: none;
}

.app-brand:hover {
    color: var(--tblr-primary);
}

.app-brand-icon {
    display: block;
    flex-shrink: 0;
}

.app-brand-text {
    letter-spacing: -0.02em;
}

.header-actions {
    margin-left: auto;
    gap: 0.5rem;
}

.header-actions .nav-link {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.user-menu-trigger {
    border-radius: var(--tblr-border-radius);
}

.user-menu-trigger:hover {
    background: var(--tblr-bg-surface-secondary);
}

.user-menu-name {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.2;
}

.user-menu-subtitle {
    font-size: 0.75rem;
    color: var(--tblr-secondary);
    line-height: 1.2;
    margin-top: 0.125rem;
}

/* 4:1 wide image frame (topic cards) */
.image-frame-4-1 {
    aspect-ratio: 4 / 1;
    overflow: hidden;
    width: 100%;
    background: var(--tblr-border-color);
}

.image-frame-4-1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.image-frame-4-1--rounded {
    border-radius: var(--tblr-border-radius);
}

.image-frame-4-1--top {
    border-radius: var(--tblr-border-radius) var(--tblr-border-radius) 0 0;
}

/* 4:3 quiz question image frame */
.image-frame-4-3 {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    width: 100%;
    max-width: 640px;
    margin-inline: auto;
    background: var(--tblr-border-color);
}

.image-frame-4-3 img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #f5f0e8;
}

.image-frame-4-3--rounded {
    border-radius: var(--tblr-border-radius);
}

/* Quiz answer options — always left-aligned, wrap on narrow screens */
.quiz-option {
    min-height: 48px;
    display: flex !important;
    align-items: flex-start;
    justify-content: flex-start !important;
    text-align: left !important;
    white-space: normal;
    min-width: 0;
    width: 100%;
    gap: 0.5rem;
}

.quiz-option .form-check-input {
    flex-shrink: 0;
    margin-top: 0.2em;
}

.quiz-option-label {
    flex: 1 1 0;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.matching-label {
    text-align: left;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.matching-select {
    min-height: 44px;
    text-align: left;
    max-width: 100%;
    min-width: 0;
}

.ordering-list .list-group-item {
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    min-height: 48px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    text-align: left;
    gap: 0.75rem;
    min-width: 0;
}

.ordering-list .list-group-item.is-ordering-drag {
    cursor: grabbing;
    position: relative;
    z-index: 2;
}

.ordering-list .list-group-item > span:last-child {
    flex: 1 1 0;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.ordering-handle {
    color: var(--tblr-secondary);
    flex-shrink: 0;
}

.feedback-panel {
    margin-top: 1rem;
}


.feedback-user-answer,
.feedback-missing {
    line-height: 1.6;
}

.feedback-answer-parts {
    display: inline;
}

.feedback-sep {
    color: inherit;
    opacity: 0.85;
}

.feedback-mark {
    display: inline;
    padding: 0.1em 0.35em;
    border-radius: var(--tblr-border-radius, 0.25rem);
    font-weight: 600;
}

.feedback-mark--wrong {
    background: rgba(var(--tblr-danger-rgb, 214, 57, 57), 0.18);
    color: var(--tblr-danger, #d63939);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.feedback-mark--ok {
    background: rgba(var(--tblr-success-rgb, 47, 179, 68), 0.16);
    color: var(--tblr-success, #2fb344);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.feedback-mark--missing {
    background: rgba(var(--tblr-warning-rgb, 247, 183, 49), 0.22);
    color: var(--tblr-warning-fg, #a37000);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

[data-bs-theme="dark"] .feedback-mark--missing {
    color: #f7b731;
}

.topic-card .card-body {
    min-height: 0;
}

.subject-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.subject-filter-btn {
    border: 1px solid var(--tblr-border-color);
    background: var(--tblr-bg-surface);
    color: var(--tblr-body-color);
    border-radius: var(--tblr-border-radius);
    padding: 0.375rem 0.875rem;
    font-weight: 500;
}

.subject-filter-btn:hover {
    background: var(--tblr-bg-surface-secondary);
}

.subject-filter-btn.active {
    background: var(--tblr-primary);
    border-color: var(--tblr-primary);
    color: #fff;
}

.subject-badge {
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* Results table — SB Admin–style */
.results-card {
    border: 1px solid var(--tblr-border-color);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.04);
}

.results-card .card-header {
    background: transparent;
    border-bottom: 1px solid var(--tblr-border-color);
    padding: 1rem 1.25rem;
}

.results-search {
    max-width: 100%;
}

.results-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.results-table {
    margin-bottom: 0;
    width: 100%;
}

.results-table thead th {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--tblr-secondary);
    border-bottom: 1px solid var(--tblr-border-color);
    padding: 0.875rem 1.25rem;
    white-space: nowrap;
    background: transparent;
}

.results-table tbody td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--tblr-border-color);
}

.results-table tbody tr:last-child td {
    border-bottom: 0;
}

.results-table tbody tr:hover {
    background: var(--tblr-bg-surface-secondary);
}

.results-cell-primary {
    font-weight: 600;
    color: var(--tblr-body-color);
    line-height: 1.3;
}

.results-cell-secondary {
    font-size: 0.8125rem;
    color: var(--tblr-secondary);
    margin-top: 0.125rem;
}

.results-avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.375rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.results-score-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 2rem;
}

.results-score-badge--success {
    background: rgba(var(--tblr-success-rgb), 0.12);
    color: var(--tblr-success);
}

.results-score-badge--warning {
    background: rgba(var(--tblr-warning-rgb), 0.15);
    color: var(--tblr-warning);
}

.results-score-badge--danger {
    background: rgba(var(--tblr-danger-rgb), 0.12);
    color: var(--tblr-danger);
}

[data-bs-theme="dark"] .results-score-badge--success {
    background: rgba(var(--tblr-success-rgb), 0.2);
}

[data-bs-theme="dark"] .results-score-badge--warning {
    background: rgba(var(--tblr-warning-rgb), 0.2);
}

[data-bs-theme="dark"] .results-score-badge--danger {
    background: rgba(var(--tblr-danger-rgb), 0.2);
}

.results-empty-row td {
    text-align: center;
    color: var(--tblr-secondary);
    padding: 2.5rem 1.25rem !important;
}

@media (max-width: 767.98px) {
    .container-xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .results-table thead th,
    .results-table tbody td {
        padding: 0.75rem 1rem;
    }

}

/* Topic action row: Tanulás + Kvíz */
.topic-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: stretch;
}

.topic-actions .tanulas-open {
    flex: 0 0 auto;
}

.topic-actions .btn {
    min-height: 48px;
}

/* Tanulás source-image viewer */
.tanulas-viewer {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    background: #111;
    color: #f5f5f5;
    touch-action: none;
    overscroll-behavior: none;
}

.tanulas-viewer[hidden] {
    display: none !important;
}

.tanulas-viewer__chrome,
.tanulas-viewer__nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.88);
    flex-shrink: 0;
}

.tanulas-viewer__chrome {
    padding-top: max(0.5rem, env(safe-area-inset-top));
}

.tanulas-viewer__nav {
    justify-content: center;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
}

.tanulas-viewer__meta {
    flex: 1 1 auto;
    min-width: 0;
}

.tanulas-viewer__title {
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tanulas-viewer__label {
    font-size: 0.75rem;
    opacity: 0.75;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tanulas-viewer__page {
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    opacity: 0.85;
    white-space: nowrap;
}

.tanulas-viewer__btn {
    appearance: none;
    border: 0;
    background: rgba(255, 255, 255, 0.1);
    color: inherit;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.tanulas-viewer__btn:active {
    background: rgba(255, 255, 255, 0.22);
}

.tanulas-viewer__btn:disabled {
    opacity: 0.35;
}

.tanulas-viewer__stage {
    flex: 1 1 auto;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    cursor: grab;
    touch-action: none;
}

.tanulas-viewer__stage.is-dragging {
    cursor: grabbing;
}

.tanulas-viewer__image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transform-origin: center center;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: none;
    will-change: transform;
}

body.tanulas-open {
    overflow: hidden;
}