/* Estilos Gerais */
.seven-precadastro-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    font-family: 'Roboto', Arial, sans-serif;
    box-sizing: border-box;
}

/* Título Principal */
.seven-precadastro-container h2 {
    text-align: center;
    color: #1a237e;
    margin-bottom: 35px;
    border-bottom: 3px solid #3f51b5;
    padding-bottom: 15px;
    font-size: 32px;
    font-weight: 700;
}

/* Seções do Formulário */
.form-section {
    background-color: #f5f5f5;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.form-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-section h3 {
    color: #3f51b5;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 15px;
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 600;
}

/* Layout do Formulário */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.form-group {
    margin-bottom: 25px;
}

/* Estilos dos Campos */
.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #333;
    font-size: 16px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 16px;
    color: #333;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3f51b5;
    box-shadow: 0 0 0 3px rgba(63,81,181,0.2);
}

/* Estilos para o Botão de Envio */
.submit-section {
    text-align: center;
    margin-top: 35px;
}

.submit-button {
    background-color: #3f51b5;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    max-width: 300px;
}

.submit-button:hover {
    background-color: #303f9f;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* Estilos específicos para dropdown de ano */
.form-group select {
    appearance: none;
    background: #fff url('data:image/svg+xml;utf8,<svg fill="%23333" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>') no-repeat right 15px center;
    background-size: 20px;
    padding-right: 45px;
}

/* Responsividade */
@media (max-width: 768px) {
    .seven-precadastro-container {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .submit-button {
        width: 100%;
        max-width: none;
    }

    .form-section h3 {
        font-size: 22px;
    }

    .form-group label {
        font-size: 14px;
    }

    .form-group input,
    .form-group select {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .seven-precadastro-container h2 {
        font-size: 28px;
    }

    .form-section h3 {
        font-size: 20px;
    }

    .form-group label {
        font-size: 12px;
    }

    .form-group input,
    .form-group select {
        font-size: 12px;
    }

    .submit-button {
        font-size: 16px;
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Modo Escuro */
@media (prefers-color-scheme: dark) {
    .seven-precadastro-container {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }

    .seven-precadastro-container h2 {
        color: #7986cb;
        border-bottom-color: #5c6bc0;
    }

    .form-section {
        background-color: #2a2a2a;
    }

    .form-section h3 {
        color: #7986cb;
        border-bottom-color: #424242;
    }

    .form-group label {
        color: #bdbdbd;
    }

    .form-group input,
    .form-group select {
        background-color: #333;
        color: #e0e0e0;
        border-color: #424242;
    }

    .form-group input:focus,
    .form-group select:focus {
        border-color: #7986cb;
        box-shadow: 0 0 0 3px rgba(121,134,203,0.2);
    }

    .submit-button {
        background-color: #5c6bc0;
    }

    .submit-button:hover {
        background-color: #7986cb;
    }
}