@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Poppins:wght@500;600;700&display=swap');

:root {
    --primary-color: #1b2935; /* Dark blue from the gear in logo */
    --secondary-color: #ff8100; /* Orange from the helmet in logo */
    --background-color: #f4f7fa;
    --text-color: #333333;
    --header-color: #ffffff;
    --card-bg-color: #ffffff;
    --border-color: #e0e5ec;
    --accent-color: #ffb04c; /* Lighter orange for accents */
    --success-color: #38b4ae;
    --hover-bg: rgba(255, 129, 0, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    scroll-behavior: smooth;
}

header {
    background-color: var(--primary-color);
    color: var(--header-color);
    padding: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    width: 70px;
    height: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--header-color);
    margin-bottom: 0.3rem;
}

header p {
    font-size: 1rem;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

.language-switch {
    text-align: right;
    max-width: 1200px;
    margin: 0.5rem auto 0;
    padding: 0 2rem;
    font-size: 0.9rem;
}

.language-switch a {
    color: var(--header-color);
    text-decoration: none;
    padding: 0.2rem 0.5rem;
    opacity: 0.7;
}

.language-switch a.active {
    color: var(--accent-color);
    font-weight: bold;
    opacity: 1;
}

.language-switch a:hover {
    opacity: 1;
}

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

.search-container input {
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    width: 250px;
    font-size: 0.9rem;
}

.search-container button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-container button:hover {
    background-color: var(--accent-color);
}

.main-wrapper {
    position: relative;
}

.container {
    display: flex;
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    position: relative;
}

.sidebar {
    width: 280px;
    background: var(--card-bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    height: fit-content;
    position: sticky;
    top: 110px;
    transition: all 0.3s ease;
}

.sidebar h2 {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.7rem;
    display: flex;
    align-items: center;
    font-size: 1.3rem;
}

.sidebar h2:before {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    background-color: var(--secondary-color);
    margin-right: 10px;
    border-radius: 3px;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    margin-bottom: 0.5rem;
}

.sidebar ul li a {
    display: block;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.8rem 1rem;
    border-radius: 6px;
    transition: all 0.3s;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.sidebar ul li a i {
    margin-right: 10px;
    color: var(--secondary-color);
    transition: all 0.3s;
    width: 20px;
    text-align: center;
}

.sidebar ul li a:hover, .sidebar ul li a.active {
    background-color: var(--hover-bg);
    color: var(--secondary-color);
    border-left: 3px solid var(--secondary-color);
    transform: translateX(3px);
}

.sidebar ul li a:hover i, .sidebar ul li a.active i {
    color: var(--secondary-color);
}

main {
    flex: 1;
    padding-left: 2rem;
}

main section {
    background: var(--card-bg-color);
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

main section:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

main section h2 {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
    font-size: 1.5rem;
}

.section-intro {
    background-color: #f8f9fc;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--secondary-color);
}

.breadcrumbs {
    display: flex;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.breadcrumbs a {
    color: var(--secondary-color);
    text-decoration: none;
    margin: 0 0.5rem;
}

.breadcrumbs a:first-child {
    margin-left: 0;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.collapsible {
    margin-bottom: 1.2rem;
}

.collapsible-header {
    background-color: #f8f9fc;
    color: var(--primary-color);
    cursor: pointer;
    padding: 1rem 1.5rem;
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.collapsible-header:hover {
    background-color: var(--hover-bg);
    border-left: 4px solid var(--secondary-color);
}

.collapsible-header i {
    transition: all 0.3s ease;
    color: var(--secondary-color);
}

.collapsible-header.active {
    background-color: var(--hover-bg);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-left: 4px solid var(--secondary-color);
}

.collapsible-header.active i {
    transform: rotate(180deg);
}

.collapsible-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 6px 6px;
    overflow-x: hidden; /* Previne rolagem horizontal */
    overflow-y: auto; /* Permite rolagem vertical se necessário */
}

.collapsible-content.active {
    padding: 1.5rem 1.5rem 2.5rem 1.5rem; /* Aumentado o padding inferior */
    border-top: 1px solid #eaedf0;
}

.collapsible-content ul, .collapsible-content ol {
    padding-left: 25px;
}

@media (max-width: 768px) {
    .collapsible-content ul, .collapsible-content ol {
        padding-left: 20px;
        margin-right: 5px; /* Reduzir margem direita para evitar corte */
    }
}

.collapsible-content ul li, .collapsible-content ol li {
    margin-bottom: 0.8rem; /* Aumentado o espaço entre itens de lista */
    line-height: 1.7;
    padding-bottom: 0.2rem; /* Adicionado padding inferior */
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.chart-card {
    background: #fdfdfd;
    padding: 1.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chart-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
}

.chart-card h3 {
    text-align: center;
    margin-bottom: 1.2rem;
    color: var(--primary-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.chart-card h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.chart-description {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #6c757d;
    font-style: italic;
}

footer {
    background-color: var(--primary-color);
    color: var(--header-color);
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    border-top: 4px solid var(--secondary-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--header-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--secondary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
}

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

.back-to-top:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.tools-section {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
    gap: 0.8rem;
}

.tool-button {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.tool-button:hover {
    background-color: var(--hover-bg);
}

.tool-button i {
    color: var(--secondary-color);
}

@media print {
    header, .sidebar, footer, .back-to-top, .tools-section {
        display: none;
    }
    
    body, main {
        width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .container {
        display: block;
    }
    
    main section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

@media (max-width: 1200px) {
    .header-content {
        justify-content: space-between;
    }
    
    .search-container {
        flex: 1;
        max-width: 300px;
    }
    
    .search-container input {
        width: 100%;
    }
}

@media (max-width: 992px) {
    .container {
        flex-direction: column;
        padding: 1rem;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 2rem;
        position: static;
    }

    main {
        padding-left: 0;
    }
    
    .search-container {
        display: none;
    }
    
    .mobile-search-toggle {
        display: block;
        color: white;
        font-size: 1.2rem;
        cursor: pointer;
    }
    
    .mobile-search {
        width: 100%;
        padding: 1rem;
        display: none;
    }
    
    .mobile-search.active {
        display: block;
    }
    
    .mobile-search input {
        width: 100%;
        padding: 0.8rem;
        border-radius: 4px;
        border: none;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .language-switch {
        text-align: center;
        padding: 0;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    .logo {
        margin-bottom: 0.5rem;
    }
    
    .container {
        padding: 1rem 0.5rem;
    }
    
    .chart-card {
        padding: 1rem;
    }
    
    .collapsible-header {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .collapsible-content.active {
        padding: 1.5rem 1rem 3.5rem 1rem; /* Ainda mais espaço no mobile */
    }
    
    .collapsible-content ul li, .collapsible-content ol li {
        margin-bottom: 1.2rem; /* Ainda mais espaço entre itens no mobile */
        padding-bottom: 0.4rem;
        line-height: 1.5;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    main section {
        padding: 1.5rem 1rem;
    }
    
    /* Espaçamento maior para cada seção no mobile */
    section {
        margin-bottom: 2.5rem;
    }
    
    /* Reduzir altura da linha no mobile para texto normal */
    .collapsible-content p {
        margin-bottom: 1.2rem;
        line-height: 1.6;
    }
}