/* Estilos adicionais para botões de navegação e funcionalidades interativas */

/* Botão de voltar ao topo */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--secondary-color);
}

/* Botão de alternar tema */
#theme-toggle {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

#theme-toggle:hover {
    background-color: var(--secondary-color);
}

/* Estilos para links ativos no menu */
#menu a.active {
    background-color: var(--primary-color);
    font-weight: bold;
}

/* Estilos para conteúdo oculto */
.hidden {
    display: none;
}

/* Botões de ação */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn:hover {
    background-color: var(--secondary-color);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Animações para elementos ao entrar na viewport */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Estilos para o modo escuro */
body.dark-mode {
    background-color: #121212;
    color: #e9ecef;
}

body.dark-mode .card,
body.dark-mode .tool-card,
body.dark-mode .influencer-card,
body.dark-mode .resource-card,
body.dark-mode .course-card,
body.dark-mode .timeline-content,
body.dark-mode .recommendation-item {
    background-color: #1a1a2e;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body.dark-mode .feature,
body.dark-mode .impact-item,
body.dark-mode .ethics-item,
body.dark-mode .stat-item,
body.dark-mode .stat-box,
body.dark-mode .testimonial,
body.dark-mode .partnership {
    background-color: #2d2d3a;
}

body.dark-mode .tag {
    background-color: #2d2d3a;
    color: #e9ecef;
}

body.dark-mode #main-nav {
    background-color: #0f0f1a;
}

body.dark-mode header {
    background: linear-gradient(135deg, #1a1a2e, #0b0b15);
}

body.dark-mode footer {
    background-color: #0f0f1a;
}

/* Indicador de carregamento */
.loading-indicator {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    z-index: 2000;
}

.loading-indicator.visible {
    display: block;
}

/* Estilos para tooltips */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Estilos para notificações */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s, transform 0.3s;
}

.notification.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Estilos para impressão */
@media print {
    #main-nav, 
    #back-to-top, 
    #theme-toggle,
    .btn,
    footer {
        display: none !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .card, 
    .tool-card, 
    .influencer-card, 
    .resource-card, 
    .course-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    
    a {
        text-decoration: none;
        color: black;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}