/* Estilos Básicos e Variáveis */
:root {
    --primary-color: #1534bb; /* Laranja escuro, lembrando o Carcará */
    --bg-color: #f4f7f6;
    --text-color: #333;
    --card-bg: #fff;
    --border-radius: 8px;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

header p {
    margin: 5px 0 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.container {
    padding: 15px;
    max-width: 600px; /* Otimizado para visualização mobile */
    margin: 0 auto;
}

/* Filtros */
.filters {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 20px;
    scrollbar-width: none; /* Esconde scroll no Firefox */
}

.filters::-webkit-scrollbar {
    display: none; /* Esconde scroll no Chrome/Safari */
}

.filter-btn {
    background-color: #e0e0e0;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    color: #555;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

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

/* Cards das Fontes */
.source-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow: hidden;
    display: block; /* Para o filtro JS */
}

.card-header {
    padding: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.card-type {
    font-size: 0.75rem;
    text-transform: uppercase;
    background-color: #eee;
    padding: 3px 8px;
    border-radius: 4px;
    color: #666;
    margin-top: 5px;
    display: inline-block;
}

.toggle-icon {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

/* Conteúdo Expansível */
.card-content {
    padding: 0 15px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    background-color: #fafafa;
    border-top: 1px solid transparent;
}

.card-content.open {
    padding: 15px;
    max-height: 500px; /* Valor alto suficiente para o texto */
    border-top: 1px solid #eee;
}

.key-info {
    margin: 0 0 15px 0;
    font-size: 0.95rem;
}

.key-info strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.source-link {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: bold;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 5px;
}