/* Variáveis de cores para temas claro e escuro */
:root {
    --color-bg-light: #ffffff;
    --color-bg-dark: #1a1a1a;
    --color-text-light: #333333;
    --color-text-dark: #e5e5e5;
    --color-border-light: #e5e5e5;
    --color-border-dark: #333333;
    --color-accent: #4a4a4a; /* Cinza escuro para detalhes */
}

[data-theme="dark"] {
    --color-bg-light: #1a1a1a;
    --color-bg-dark: #ffffff;
    --color-text-light: #e5e5e5;
    --color-text-dark: #333333;
    --color-border-light: #333333;
    --color-border-dark: #e5e5e5;
}

/* Estilo global */
body {
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

[data-theme="dark"] body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-dark);
}

/* Estilo dos cards */
.card {
    background: var(--color-bg-light);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-light);
}

[data-theme="dark"] .card {
    background: var(--color-bg-dark);
    border-color: var(--color-border-dark);
    color: var(--color-text-dark);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Botões */
.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    color: var(--color-text-light);
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border-light);
    border-radius: 0.75rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

[data-theme="dark"] .button {
    background: var(--color-bg-light);
    color: var(--color-text-dark);
    border-color: var(--color-border-dark);
}

.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.button:active {
    transform: translateY(1px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* Fundo estilizado */
.background-gradient {
    background: linear-gradient(135deg, #f5f5f5, #e5e5e5);
    color: var(--color-text-light);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Títulos */
.title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

[data-theme="dark"] .title {
    color: var(--color-text-dark);
}

/* Links */
a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Alternância de tema */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background 0.3s;
}

[data-theme="dark"] .theme-toggle {
    background: var(--color-bg-light);
    color: var(--color-text-dark);
}

.theme-toggle:hover {
    background: var(--color-accent);
}