:root {
    --background-color: #292827;
    --surface-color: #1e1e1e;
    --primary-text-color: #e0e0e0;
    --secondary-text-color: #a0a0a0;
    --disabled-text-color: #666;
    --accent-color-1: #ff690a;
    --accent-color-2: #ff690a;
    --accent-color-3: #ff0a0a;
    --border-color: #444;
    --code-bg: #404040; /* Fundo para blocos de código */
    --note-border: var(--accent-color-3);
    --note-bg: #4a4a4a;
}

body, html {
    margin: 0px auto;
    padding: 0px 1.5rem;
    background-color: var(--background-color);
    color: var(--primary-text-color);
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    box-sizing: border-box; /* Garante que padding não estoure a largura */
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--accent-color-1);
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.container h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

header p {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
}

h2 {
    font-size: 2.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 2rem;
    margin-bottom: 0.3rem;
}

a {
    color: var(--accent-color-1);
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--primary-text-color);
    text-decoration: underline;
}

ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

ul li, ol li {
    margin-bottom: 0.5rem;
}

ul.course-list {
    list-style: none;
    padding: 0;
}

code {
    background-color: var(--code-bg);
    color: var(--accent-color-1);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9em;
}

pre {
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.95em;
    line-height: 1.4;
    border: 1px solid var(--border-color);
}

footer {
    text-align: center;
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-text-color);
    font-size: 0.9rem;
}

footer a {
    color: var(--accent-color-2);
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 2rem 0;
    background-color: v#363636;
    border-radius: 8px;
    overflow: hidden; /* Para bordas arredondadas funcionarem com a borda interna */
}

th, td {
    border: 1px solid var(--border-color);
    padding: 12px 15px;
    text-align: left;
    vertical-align: top;
}

th {
    background-color: var(--code-bg); /* Use cor de código para cabeçalho */
    font-weight: 700;
    color: var(--primary-text-color);
}

tr:nth-child(even) {
    background-color: #2f2f2f; /* Cor alternativa para linhas pares */
}

tr:hover {
    background-color: #3e3e3e; /* Destaque ao passar o mouse */
}

img {
    max-width: 100%;
    height: auto;
    display: block; /* Remove espaço extra abaixo da imagem */
    margin: 1rem auto; /* Centraliza imagens e adiciona margem */
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.course-list li {
    background-color: var(--surface-color);
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-left: 5px solid var(--border-color);
    transition: all 0.2s ease-in-out;
}

.course-list li:hover {
    border-left-color: var(--accent-color-1);
    transform: translateY(-2px);
}

.course-list .lesson-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.course-list a {
    color: var(--accent-color-2);
    text-decoration: none;
    display: block;
}

.course-list a:hover {
    text-decoration: underline;
}

.course-list .unavailable {
    color: var(--disabled-text-color);
    cursor: not-allowed;
}

.course-list .soon-tag {
    font-size: 0.9rem;
    font-style: italic;
    margin-left: 0.5rem;
}

nav.extras-list {
    padding: 0px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.extras-list a {
    margin-right: 1vw;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.extras-list button {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-left: 5px solid var(--border-color);
    transition: all 0.2s ease-in-out;
    color: var(--accent-color-2);
    text-decoration: none;
    font-size: 150%;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

.extras-list button:hover {
    border-left-color: var(--accent-color-1);
    transform: translateY(-2px);
}

.note {
        background-color: var(--note-bg);
        border-left: 5px solid var(--note-border);
        padding: 1rem 1.5rem;
        margin: 2rem 0;
        border-radius: 8px;
        color: var(--primary-text-color);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }
    .note p {
        margin: 0;
    }

@media (max-width: 768px) {

    .container {
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    body {
        font-size: 0.95em;
    }

}

@media (max-width: 480px) {

    .container {
        padding: 1rem 0.8rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }
    
}