.yachai-brand {
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #ef4444;
}

.yachai-admin-header {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 0.5rem;
}

.yachai-admin-logo {
    height: 3.25rem;
    width: auto;
    max-width: 14rem;
    display: block;
}

.yachai-admin-icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(239, 68, 68, 0.25));
}

.yachai-modal-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
}

.yachai-modal-flame {
    height: 1.375rem;
    width: auto;
    aspect-ratio: 110 / 178;
    flex-shrink: 0;
    display: block;
    margin: 0;
}

.yachai-modal-brand-text {
    font-size: 1.25rem;
    letter-spacing: 0;
    line-height: 1;
}

.yachai-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin: 1rem 0 1.5rem;
    align-items: start;
}

.yachai-chart-box {
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.yachai-chart-canvas-wrap {
    position: relative;
    height: 11rem;
    max-height: 11rem;
}

.yachai-chart-wide .yachai-chart-canvas-wrap {
    height: 12.5rem;
    max-height: 12.5rem;
}

.yachai-chart-canvas-wrap canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.yachai-chart-wide {
    grid-column: 1 / -1;
}

@media (max-width: 992px) {
    .yachai-charts-grid {
        grid-template-columns: 1fr;
    }
}

.yachai-admin-table td:first-child {
    font-weight: 600;
    width: 14rem;
}

.yachai-usage-period {
    font-size: 0.95rem;
}

.yachai-usage-paging {
    margin: 0.5rem 0 1.25rem;
}

.yachai-usage-totals td:last-child,
.yachai-usage-recent td:last-child {
    text-align: right;
    white-space: nowrap;
}

.yachai-usage-recent td:nth-child(4) {
    max-width: 22rem;
    word-break: break-word;
}

.yachai-section-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
}

.yachai-section-controls .section-modchooser,
.yachai-section-controls .yachai-section-btn {
    margin: 0;
    padding: 0.25rem;
    line-height: 1.25;
    align-items: center;
}

.yachai-section-controls .yachai-section-btn:not([disabled]):hover .yachai-section-ai-icon:not(.yachai-section-ai-icon-white),
.yachai-section-controls .yachai-section-btn:not([disabled]):focus .yachai-section-ai-icon:not(.yachai-section-ai-icon-white) {
    display: none;
}

.yachai-section-controls .yachai-section-btn:not([disabled]):hover .yachai-section-ai-icon-white,
.yachai-section-controls .yachai-section-btn:not([disabled]):focus .yachai-section-ai-icon-white {
    display: inline-flex;
}

.yachai-section-controls .section-modchooser .icon,
.yachai-section-controls .yachai-section-btn .icon {
    width: 14px;
    height: 14px;
    font-size: 14px;
}

.yachai-section-controls .yachai-section-btn .yachai-section-ai-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 0.25rem;
}

.yachai-section-controls .yachai-section-btn .yachai-section-ai-icon-white {
    display: none;
}

.yachai-section-controls .yachai-section-btn:hover .yachai-section-ai-icon:not(.yachai-section-ai-icon-white),
.yachai-section-controls .yachai-section-btn:focus .yachai-section-ai-icon:not(.yachai-section-ai-icon-white) {
    display: none;
}

.yachai-section-controls .yachai-section-btn:hover .yachai-section-ai-icon-white,
.yachai-section-controls .yachai-section-btn:focus .yachai-section-ai-icon-white {
    display: inline-flex;
}

.yachai-section-controls .yachai-section-btn img.icon {
    width: auto;
    height: 14px;
    margin: 0;
    vertical-align: sub;
}

.yachai-section-controls .activity-add-text {
    white-space: nowrap;
}

.yachai-sources-list {
    background: #f8f9fa;
}

.yachai-sources-list.yachai-sources-list--expanded {
    max-height: 11rem;
    overflow-y: auto;
}

.yachai-sources-toggle {
    text-decoration: none;
}

.yachai-sources-toggle:hover {
    text-decoration: underline;
}

.yachai-source-item {
    margin-bottom: 0.35rem;
}

.yachai-source-item:last-child {
    margin-bottom: 0;
}

/* Legacy FAB (ya no se usa). */
.yachai-fab {
    display: none !important;
}

.yachai-chat-log {
    max-height: 160px;
    overflow-y: auto;
    padding: 0.25rem 0;
}

.yachai-chat-bubble {
    border-radius: 12px;
    padding: 0.55rem 0.75rem;
    max-width: 92%;
    line-height: 1.4;
}

.yachai-chat-bubble-ai {
    background: #f1f3f5;
    color: #495057;
}

.yachai-chat-bubble-welcome {
    background: #f0ebff;
    color: #3b2768;
    border: 1px solid #cdb8ff;
    font-weight: 500;
    font-size: 0.9375rem;
}

.yachai-chat-bubble-user {
    margin-left: auto;
    background: #0d6efd;
    color: #fff;
}

.yachai-progress-card {
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: none;
}

.yachai-progress-steps .alert {
    margin-bottom: 0.5rem;
    border: none;
}

.yachai-progress-steps .alert-info {
    background-color: #e7f1ff;
    color: #084298;
}

.yachai-progress-steps .alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.yachai-form textarea {
    resize: vertical;
}

/* Tarea: resumen corto en el índice del curso; artículo completo al abrir la tarea. */
.course-content .activity.assign .yachai-assign-body {
    display: none;
}

.path-mod-assign .yachai-listing-summary {
    display: none;
}

.path-mod-assign .yachai-assign-body {
    display: block;
}

.yachai-stock-image {
    margin: 1rem 0;
    text-align: center;
}

.yachai-stock-image img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
}

.yachai-stock-image figcaption {
    margin-top: 0.35rem;
    font-size: 0.85rem;
    color: #6c757d;
}