:root {
    color-scheme: light dark;

    /* === Paleta base === */
    --primary-light: #7c3aed;
    --primary-dark: #9d7bf5;

    --bg-light: #f9fafb;
    --bg-dark: #0f1115;

    --text-light: #1f2937;
    --text-dark: #e5e7eb;

    --muted-light: #4b5563;
    --muted-dark: #d1d5db;

    --footer-light: #6b7280;
    --footer-dark: #9ca3af;

    --icon-bg-light: #ede9fe;
    --icon-bg-dark: #4c1d95;

    --icon-color-light: #7c3aed;
    --icon-color-dark: #c4b5fd;
}

/* === Estrutura === */
body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-light);
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1.5rem;
    transform: translateY(-6%);
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out;
}

/* === Animação do ícone === */
@keyframes spinSlow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.icon {
    animation: spinSlow 6s linear infinite;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 9999px;
    background-color: var(--icon-bg-light);
    color: var(--icon-color-light);
    margin-bottom: 1.5rem;
}

/* === Títulos e texto === */
h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

p {
    color: var(--muted-light);
    margin-bottom: 1.5rem;
}

/* === Botão === */
a.btn {
    display: inline-block;
    background-color: var(--primary-light);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 0.6rem;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(124, 58, 237, 0.2);
    transition: background-color 0.2s, transform 0.2s;
}

a.btn:hover {
    background-color: #6d28d9;
    transform: translateY(-1px);
}

/* === Rodapé === */
footer {
    margin-top: 3rem;
    color: var(--footer-light);
    font-size: 0.875rem;
}

/* === Dark Mode (Tailwind: 'class') === */
html.dark body,
body.dark {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

html.dark h1,
body.dark h1 {
    color: var(--text-dark);
}

html.dark p,
body.dark p {
    color: var(--muted-dark);
}

html.dark .icon,
body.dark .icon {
    background-color: var(--icon-bg-dark);
    color: var(--icon-color-dark);
}

html.dark a.btn,
body.dark a.btn {
    background-color: var(--primary-dark);
}

html.dark a.btn:hover,
body.dark a.btn:hover {
    background-color: var(--primary-light);
}

html.dark footer,
body.dark footer {
    color: var(--footer-dark);
}