/* ============================================ */
/* HERRAMIENTAS DE ACCESIBILIDAD */
/* ============================================ */

/* BOTÓN FLOTANTE */
.accessibility-btn {
    position: fixed;
    left: 24px;
    bottom: 32px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.accessibility-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.accessibility-btn:active {
    transform: scale(0.95);
}

/* OVERLAY DEL MODAL */
.accessibility-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.accessibility-overlay.active {
    display: block;
}

/* MODAL */
.accessibility-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
    opacity: 0;
}

.accessibility-overlay.active .accessibility-modal {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ENCABEZADO DEL MODAL */
.accessibility-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-radius: 16px 16px 0 0;
}

.accessibility-modal-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.accessibility-modal-title i {
    font-size: 24px;
}

.accessibility-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.accessibility-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* CONTENIDO DEL MODAL */
.accessibility-modal-body {
    padding: 32px;
}

/* SECCIONES */
.accessibility-section {
    margin-bottom: 32px;
}

.accessibility-section:last-child {
    margin-bottom: 0;
}

.accessibility-section-title {
    font-size: 14px;
    font-weight: 700;
    color: #2e427a;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.accessibility-section-title i {
    font-size: 16px;
}

/* GRID DE OPCIONES */
.accessibility-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

/* BOTÓN DE OPCIÓN */
.accessibility-option-btn {
    padding: 16px;
    border: 2px solid #e5e7eb;
    background: white;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    text-align: center;
}

.accessibility-option-btn i {
    font-size: 24px;
    color: #3b82f6;
}

.accessibility-option-btn:hover {
    border-color: #3b82f6;
    background: #f0f9ff;
    transform: translateY(-2px);
}

.accessibility-option-btn.active {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #2e427a;
    font-weight: 600;
}

.accessibility-option-btn.active i {
    color: #2563eb;
}

/* SLIDER CONTAINER */
.accessibility-slider-container {
    margin-bottom: 24px;
}

.accessibility-slider-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
}

.accessibility-slider-value {
    font-weight: 700;
    color: #3b82f6;
}

.accessibility-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e5e7eb;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: 12px;
}

.accessibility-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    transition: all 0.2s ease;
}

.accessibility-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.6);
}

.accessibility-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    transition: all 0.2s ease;
}

.accessibility-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.6);
}

/* CONTROLES +/- */
.accessibility-slider-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.accessibility-slider-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #3b82f6;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accessibility-slider-btn:hover {
    border-color: #3b82f6;
    background: #f0f9ff;
}

.accessibility-slider-btn:active {
    transform: scale(0.95);
}

/* BOTÓN RESTABLECER */
.accessibility-reset-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.accessibility-reset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.accessibility-reset-btn:active {
    transform: translateY(0);
}

/* MENSAJE DE INFORMACIÓN */
.accessibility-info-message {
    background: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 12px;
    border-radius: 8px;
    font-size: 12px;
    color: #1e40af;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.accessibility-info-message i {
    margin-top: 2px;
    flex-shrink: 0;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .accessibility-btn {
        width: 56px;
        height: 56px;
        left: 16px;
        bottom: 24px;
        font-size: 24px;
    }

    .accessibility-modal {
        width: 95%;
        max-height: 95vh;
    }

    .accessibility-modal-body {
        padding: 20px;
    }

    .accessibility-options-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .accessibility-option-btn {
        padding: 14px;
        font-size: 12px;
    }

    .accessibility-option-btn i {
        font-size: 20px;
    }

    .accessibility-section-title {
        font-size: 12px;
    }
}

/* APLICAR ESTILOS DE ACCESIBILIDAD AL BODY */

/* COLORES INVERTIDOS */
body.accessibility-inverted-colors {
    background: #1a1a1a;
    color: #ffffff;
}

body.accessibility-inverted-colors * {
    background-color: #1a1a1a;
    color: #ffffff;
}

body.accessibility-inverted-colors a {
    color: #87ceeb;
}

body.accessibility-inverted-colors button {
    background-color: #333333;
    color: #ffffff;
}

body.accessibility-inverted-colors input,
body.accessibility-inverted-colors textarea,
body.accessibility-inverted-colors select {
    background-color: #2a2a2a;
    color: #ffffff;
    border-color: #555555;
}

/* MONOCROMO */
body.accessibility-monochrome {
    filter: grayscale(100%);
}

/* CONTRASTE OSCURO */
body.accessibility-dark-contrast {
    background: #ffffff;
    color: #000000;
}

body.accessibility-dark-contrast * {
    color: #000000;
}

body.accessibility-dark-contrast a {
    color: #0000ff;
}

body.accessibility-dark-contrast button {
    background-color: #ffffff;
    color: #000000;
    border: 2px solid #000000;
}

/* CONTRASTE CLARO */
body.accessibility-light-contrast {
    background: #000000;
    color: #ffffff;
}

body.accessibility-light-contrast * {
    background-color: #000000;
    color: #ffffff;
}

body.accessibility-light-contrast a {
    color: #ffff00;
}

/* BAJA SATURACIÓN */
body.accessibility-low-saturation {
    filter: saturate(0.5);
}

/* ALTA SATURACIÓN */
body.accessibility-high-saturation {
    filter: saturate(1.8);
}

/* ENLACES DESTACADOS */
body.accessibility-highlighted-links a {
    border: 2px solid #3b82f6;
    padding: 2px 4px;
    border-radius: 4px;
}

/* TÍTULOS DESTACADOS */
body.accessibility-highlighted-titles h1,
body.accessibility-highlighted-titles h2,
body.accessibility-highlighted-titles h3,
body.accessibility-highlighted-titles h4,
body.accessibility-highlighted-titles h5,
body.accessibility-highlighted-titles h6 {
    border: 2px solid #3b82f6;
    padding: 8px;
    border-radius: 6px;
}

/* TAMAÑO DE FUENTE */
body.accessibility-font-size-80 {
    font-size: 80%;
}

body.accessibility-font-size-90 {
    font-size: 90%;
}

body.accessibility-font-size-100 {
    font-size: 100%;
}

body.accessibility-font-size-110 {
    font-size: 110%;
}

body.accessibility-font-size-120 {
    font-size: 120%;
}

body.accessibility-font-size-130 {
    font-size: 130%;
}

body.accessibility-font-size-140 {
    font-size: 140%;
}

body.accessibility-font-size-150 {
    font-size: 150%;
}

body.accessibility-font-size-160 {
    font-size: 160%;
}

body.accessibility-font-size-170 {
    font-size: 170%;
}

body.accessibility-font-size-180 {
    font-size: 180%;
}

body.accessibility-font-size-190 {
    font-size: 190%;
}

body.accessibility-font-size-200 {
    font-size: 200%;
}

/* ALTURA DE LÍNEA */
body.accessibility-line-height-80 {
    line-height: 0.8;
}

body.accessibility-line-height-90 {
    line-height: 0.9;
}

body.accessibility-line-height-100 {
    line-height: 1;
}

body.accessibility-line-height-110 {
    line-height: 1.1;
}

body.accessibility-line-height-120 {
    line-height: 1.2;
}

body.accessibility-line-height-130 {
    line-height: 1.3;
}

body.accessibility-line-height-140 {
    line-height: 1.4;
}

body.accessibility-line-height-150 {
    line-height: 1.5;
}

body.accessibility-line-height-160 {
    line-height: 1.6;
}

body.accessibility-line-height-170 {
    line-height: 1.7;
}

body.accessibility-line-height-180 {
    line-height: 1.8;
}

body.accessibility-line-height-190 {
    line-height: 1.9;
}

body.accessibility-line-height-200 {
    line-height: 2;
}