/* Reset básico */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: #f0f2f5;
    font-family: Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 10px;
}

/* Container principal */
.form-box {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 900px;
}

/* Cabeçalho */
.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid #f0f2f5;
    padding-bottom: 15px;
}

.form-header h2 { color: #1c1e21; font-size: 22px; }

.btn-close {
    text-decoration: none;
    color: #8d949e;
    font-size: 20px;
    transition: color 0.2s;
    padding: 5px;
}

.btn-close:hover { color: #e41e26; }

/* Títulos das seções */
.section-title { 
    color: #4267B2; 
    font-size: 0.95rem; 
    margin: 25px 0 15px; 
    border-bottom: 1px solid #dddfe2; 
    padding-bottom: 8px; 
    text-transform: uppercase; 
}

/* Campos de entrada */
.input-field { position: relative; margin-bottom: 15px; }

.input-field i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #8d949e;
}

input, select {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid #dddfe2;
    border-radius: 6px;
    font-size: 16px;
    outline: none;
    background-color: #fff;
}

input:focus, select:focus { border-color: #4267B2; }

/* Campo de checkbox */
.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 20px;
    font-size: 13px;
    color: #4b4f56;
    line-height: 1.4;
}

.checkbox-field input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-top: 2px;
}

.checkbox-field label {
    cursor: pointer;
}

/* Botão de cadastro */
.btn-submit {
    width: 100%;
    padding: 16px;
    background-color: #4267B2;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 25px;
    transition: background 0.3s;
}

.btn-submit:hover { background-color: #365899; }