/**
 * Estilos CSS para a barra de ferramentas de acessibilidade - Frontend
 */

/* Barra de ferramentas principal */
.accessibility-now-toolbar {
    position: fixed;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 999999;
    font-family: Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    background: #2c3e50;
    color: #ffffff;
    border-radius: 0 8px 8px 0;
    box-shadow: 2px 0 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    max-width: 60px;
    overflow: hidden;
}

/* Barra expandida */
.accessibility-now-toolbar.expanded {
    max-width: 250px;
}

/* Lado oposto */
.accessibility-now-toolbar.opposite-side {
    left: auto;
    right: 0;
    border-radius: 8px 0 0 8px;
    box-shadow: -2px 0 10px rgba(0,0,0,0.3);
}

/* Tamanhos de fonte */
.accessibility-now-toolbar.font-size-small {
    font-size: 12px;
}

.accessibility-now-toolbar.font-size-medium {
    font-size: 16px;
}

.accessibility-now-toolbar.font-size-large {
    font-size: 18px;
}

/* Ocultar em telas pequenas */
.accessibility-now-toolbar.hide-small-screens {
    display: block;
}

@media (max-width: 768px) {
    .accessibility-now-toolbar.hide-small-screens {
        display: none;
    }
}

/* Container interno */
.accessibility-toolbar-inner {
    display: flex;
    flex-direction: column;
    min-height: 60px;
}

/* Cabeçalho da barra */
.accessibility-toolbar-header {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #34495e;
    cursor: pointer;
    min-height: 40px;
}

.accessibility-toolbar-title {
    display: none;
    margin-right: auto;
    font-weight: bold;
    white-space: nowrap;
}

.accessibility-now-toolbar.expanded .accessibility-toolbar-title {
    display: block;
}

.accessibility-toolbar-toggle {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    border-radius: 3px;
    transition: background-color 0.2s ease;
    margin-left: auto;
}

.accessibility-toolbar-toggle:hover,
.accessibility-toolbar-toggle:focus {
    background: rgba(255,255,255,0.1);
    outline: none;
}

/* Conteúdo da barra */
.accessibility-toolbar-content {
    display: none;
    padding: 10px;
}

.accessibility-now-toolbar.expanded .accessibility-toolbar-content {
    display: block;
}

/* Botões */
.accessibility-toolbar-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accessibility-btn {
    background: #3498db;
    border: none;
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: inherit;
    font-weight: bold;
    transition: all 0.2s ease;
    text-align: center;
    min-width: 40px;
}

.accessibility-btn:hover,
.accessibility-btn:focus {
    background: #2980b9;
    transform: translateY(-1px);
    outline: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

/* Botões específicos */
.accessibility-btn.font-increase {
    background: #27ae60;
}

.accessibility-btn.font-increase:hover,
.accessibility-btn.font-increase:focus {
    background: #229954;
}

.accessibility-btn.font-decrease {
    background: #e74c3c;
}

.accessibility-btn.font-decrease:hover,
.accessibility-btn.font-decrease:focus {
    background: #c0392b;
}

.accessibility-btn.font-reset {
    background: #f39c12;
}

.accessibility-btn.font-reset:hover,
.accessibility-btn.font-reset:focus {
    background: #d68910;
}

.accessibility-btn.contrast-toggle {
    background: #9b59b6;
}

.accessibility-btn.contrast-toggle:hover,
.accessibility-btn.contrast-toggle:focus {
    background: #8e44ad;
}

.accessibility-btn.grayscale-toggle {
    background: #95a5a6;
}

.accessibility-btn.grayscale-toggle:hover,
.accessibility-btn.grayscale-toggle:focus {
    background: #7f8c8d;
}

/* Estados ativos */
.accessibility-btn.active {
    background: #e67e22 !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

/* Efeitos de acessibilidade */

/* Alto contraste */
body.accessibility-high-contrast {
    background: #000000 !important;
    color: #ffffff !important;
}

body.accessibility-high-contrast * {
    background: #000000 !important;
    color: #ffffff !important;
    border-color: #ffffff !important;
}

body.accessibility-high-contrast a {
    color: #ffff00 !important;
}

body.accessibility-high-contrast .accessibility-now-toolbar {
    background: #ffffff !important;
    color: #000000 !important;
}

body.accessibility-high-contrast .accessibility-now-toolbar * {
    background: #ffffff !important;
    color: #000000 !important;
}

body.accessibility-high-contrast .accessibility-btn {
    background: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
}

/* Escala de cinza */
body.accessibility-grayscale {
    filter: grayscale(100%);
}

body.accessibility-grayscale .accessibility-now-toolbar {
    filter: none;
}

/* Ampliação de fonte */
body.accessibility-font-size-1 {
    font-size: 110% !important;
}

body.accessibility-font-size-2 {
    font-size: 120% !important;
}

body.accessibility-font-size-3 {
    font-size: 130% !important;
}

body.accessibility-font-size-4 {
    font-size: 140% !important;
}

body.accessibility-font-size-5 {
    font-size: 150% !important;
}

/* Folha de estilo alternativa para redimensionamento */
body.accessibility-alternative-font-resize * {
    font-size: inherit !important;
    line-height: 1.5 !important;
}

body.accessibility-alternative-font-resize h1 {
    font-size: 2em !important;
}

body.accessibility-alternative-font-resize h2 {
    font-size: 1.8em !important;
}

body.accessibility-alternative-font-resize h3 {
    font-size: 1.6em !important;
}

body.accessibility-alternative-font-resize h4 {
    font-size: 1.4em !important;
}

body.accessibility-alternative-font-resize h5 {
    font-size: 1.2em !important;
}

body.accessibility-alternative-font-resize h6 {
    font-size: 1.1em !important;
}

/* Animações e transições */
@keyframes accessibility-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.accessibility-btn.pulse {
    animation: accessibility-pulse 0.3s ease;
}

/* Responsividade */
@media (max-width: 480px) {
    .accessibility-now-toolbar {
        font-size: 12px;
    }
    
    .accessibility-now-toolbar.expanded {
        max-width: 200px;
    }
    
    .accessibility-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* Modo de impressão */
@media print {
    .accessibility-now-toolbar {
        display: none !important;
    }
}

/* Acessibilidade para leitores de tela */
.accessibility-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Focus visível */
.accessibility-btn:focus,
.accessibility-toolbar-toggle:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

body.accessibility-high-contrast .accessibility-btn:focus,
body.accessibility-high-contrast .accessibility-toolbar-toggle:focus {
    outline: 2px solid #000000;
}