.dwq-buttons {
    display: flex;
    align-items: stretch;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.dwq-buttons .custom-upload,
.dwq-buttons #download-exam,
.dwq-buttons #view-results {
    cursor: pointer !important;
    margin: 0 5px !important;
    font-size: 14px !important;
}

#view-results {
    background-color: #7c3aed !important;
    color: #fff !important;
}

#view-results:hover {
    background-color: #6d28d9 !important;
}

/* ===== Modal de Resultados ===== */

#dwq-results-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
}

#dwq-results-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

#dwq-results-content {
    position: relative;
    background: #fff;
    border-radius: 0.75rem;
    max-width: 680px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem 1.5rem 1.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}

#dwq-close-modal {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    color: #6b7280;
    padding: 0 0.25rem;
}

#dwq-close-modal:hover {
    color: #111827;
}

/* Cabecera */
.dwq-results-header {
    text-align: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 1rem;
}

.dwq-results-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 0.25rem;
}

.dwq-results-student {
    font-size: 0.95rem;
    color: #4b5563;
    margin: 0 0 0.75rem;
}

.dwq-results-summary {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #1f2937;
}

.dwq-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: #4c1d95;
    margin: 1.25rem 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Wrapper para tablas con scroll horizontal en móvil */
.dwq-table-wrapper {
    overflow-x: auto;
    margin-bottom: 1rem;
}

/* Tabla 1: por categoría principal */
.dwq-category-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.dwq-category-table thead th {
    background-color: #7c3aed !important;
    color: #fff !important;
    padding: 0.5rem 0.75rem;
    text-align: center;
    border: 1px solid #7c3aed;
}

.dwq-category-table td {
    padding: 0.5rem 0.75rem;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.dwq-category-table tbody tr:nth-child(even) {
    background-color: #f5f3ff;
}

/* Grid de subcategorías */
.dwq-subcategory-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dwq-subcategory-block {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    overflow: hidden;
}

.dwq-subcategory-header {
    background-color: #7c3aed;
    color: #fff;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
    text-align: center;
}

.dwq-subcategory-row {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    border-top: 1px solid #f3f4f6;
    color: #374151;
}

.dwq-subcategory-row:nth-child(even) {
    background-color: #f9fafb;
}

/* Tabla 3: dificultad × idioma */
.dwq-difficulty-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.dwq-difficulty-table thead th {
    background-color: #7c3aed !important;
    color: #fff !important;
    padding: 0.5rem 0.75rem;
    text-align: center;
    border: 1px solid #7c3aed;
}

.dwq-difficulty-table td {
    padding: 0.5rem 0.75rem;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.dwq-difficulty-table .dwq-totals-row {
    background-color: #f5f3ff;
}

.dwq-difficulty-table tbody tr:nth-child(even):not(.dwq-totals-row) {
    background-color: #fafafa;
}