:root {
    --bg-body: #F4F6F8;
    --bg-header: #FFFFFF;
    --text-primary: #1C1E21;
    --text-secondary: #4E5D6C;
    --btn-primary: #C8943B;
    --btn-hover: #C8943B;
    --border-color: #D0D7DE;
    --highlight: #7E57C2;
    --shadow-sm: 0 2px 8px rgba(28, 30, 33, 0.1);
    --shadow-hover: 0 4px 12px rgba(28, 30, 33, 0.15);
}

[data-theme="dark"] {
    --bg-body: #0D1117;
    --bg-header: #161B22;
    --text-primary: #E6EDF3;
    --text-secondary: #8B949E;
    --border-color: #30363D;
    --highlight: #9B6BFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Inter', Arial, sans-serif;
    margin: 0;
    background: var(--bg-body);
    color: var(--text-primary);
    text-align: center;
    transition: all 0.3s ease;
}

header {
    background: var(--btn-primary);
    color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

main {
    padding: 20px;
}

.botao {
    display: inline-block;
    padding: 10px 20px;
    background: var(--btn-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.botao:hover {
    background: var(--btn-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.pergunta {
    background: var(--bg-header);
    margin: 10px auto;
    padding: 10px;
    max-width: 500px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

button {
    background: var(--btn-primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

button:hover {
    background: var(--btn-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}