:root {
    --primary-color: #2a6496;
    --secondary-color: #4a90e2;
    --accent-color: #f0f7ff;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
    --success-color: #4caf50;
    --header-bg: #2a6496;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f9f9f9;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0 20px 0;
}

header {
    width: 100%;
    background-color: var(--header-bg);
    padding: 20px;
    margin-bottom: 0;
}

h1 {
    text-align: center;
    color: white;
    font-size: 2.2rem;
}

.filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    padding: 15px;
    border-radius: 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    width: 100%;
}

.categories {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    justify-content: flex-start;
    flex: 1;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
    padding: 5px 0;
    scroll-behavior: smooth;
}

.categories::-webkit-scrollbar {
    display: none;
}

.category-btn {
    padding: 8px 15px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

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

.category-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-container {
    display: flex;
    align-items: center;
    margin-left: auto;
}

#search-input {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px 0 0 20px;
    width: 250px;
    font-size: 0.9rem;
}

#search-btn {
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    border: 1px solid var(--primary-color);
    border-radius: 0 20px 20px 0;
    cursor: pointer;
}

.resumos-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    padding: 0 20px;
}

@media (max-width: 1400px) {
    .resumos-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 1200px) {
    .resumos-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .resumos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .resumos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filter-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-container {
        width: 100%;
        margin-left: 0;
    }
    
    #search-input {
        width: 100%;
    }
    
    .categories {
        width: 100%;
        padding-bottom: 8px;
    }
    
    .category-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }
}

@media (max-width: 576px) {
    .resumos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.resumo-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
    position: relative;
}

.resumo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.resumo-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1rem;
    word-wrap: break-word;
    width: 100%;
    line-height: 1.3;
}

.resumo-category {
    font-size: 0.8rem;
    color: #666;
    background-color: var(--accent-color);
    padding: 2px 8px;
    border-radius: 10px;
    margin-top: 5px;
    display: inline-block;
}

.card-checkbox {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2rem;
    cursor: pointer;
    user-select: none;
    z-index: 10;
}

.checked-card {
    background-color: var(--accent-color);
}

/* Estilos para botões de leitura */
.botao-leitura {
    display: inline-block;
    cursor: pointer;
    font-size: 1.2rem;
    margin: 0 5px;
    transition: all 0.3s ease;
    padding: 2px 5px;
    border-radius: 4px;
    user-select: none;
    vertical-align: middle;
}

.botao-leitura:hover {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

.botao-leitura.lendo {
    animation: pulsate 1.5s infinite;
    color: var(--primary-color);
    background-color: var(--accent-color);
}

/* Botão de ler todo o conteúdo */
.btn-ler-tudo {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    padding: 5px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 15px;
    margin-left: auto;
}

.btn-ler-tudo:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Efeito visual quando todo o conteúdo está sendo lido */
.lendo-tudo {
    animation: highlight-reading 2s infinite alternate;
}

@keyframes highlight-reading {
    from {
        background-color: transparent;
    }
    to {
        background-color: rgba(74, 144, 226, 0.05);
    }
}

@keyframes pulsate {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}

/* Popup Styles */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.popup-content {
    background-color: white;
    width: 116%;
    max-width: 1160px;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.popup-header {
    padding: 15px 20px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-header h2 {
    font-size: 1.5rem;
    margin: 0;
    margin-right: auto;
}

.close-btn {
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.popup-category {
    background-color: var(--accent-color);
    padding: 8px 20px;
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.popup-body {
    padding: 20px;
    overflow-y: auto;
    line-height: 1.7;
    margin-left: 40px;
    margin-right: 40px;
    
    /* Hide scrollbar but allow scrolling */
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

.popup-body::-webkit-scrollbar {
    display: none;
}

.popup-body h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.popup-body h4 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.popup-body p {
    margin-bottom: 15px;
}

.popup-body ul, .popup-body ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.popup-body li {
    margin-bottom: 5px;
}

.popup-body strong {
    color: #444;
}

.popup-body .check-item {
    padding: 5px;
    margin-left: 5px;
}

.popup-body ul ul, 
.popup-body ol ol,
.popup-body ul ol,
.popup-body ol ul {
    margin-top: 5px;
    margin-bottom: 5px;
}

/* Check item styles */
.check-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 1rem;
    cursor: pointer;
}

.check-item i {
    margin-right: 8px;
    flex-shrink: 0;
}

.check-item:hover {
    background-color: var(--accent-color);
    border-radius: 4px;
}

/* No results message */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 30px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Adicionar estilo para indicador de carregamento */
.loading {
    text-align: center;
    padding: 30px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.loading:after {
    content: "...";
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: ".";
    }
    40% {
        content: "..";
    }
    60%, 100% {
        content: "...";
    }
}