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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #2c2c2c 100%) !important;
    min-height: 100vh;
    padding: 20px;
}

/* Container principal */
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

/* Cabeçalho */
.header {
    background: linear-gradient(135deg, #667eea 0%, #2c2c2c 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1em;
    opacity: 0.9;
}

/* Formulário */
form {
    padding: 30px;
}

/* Seções do formulário */
.secao {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.secao:last-of-type {
    border-bottom: none;
}

.secao h2 {
    color: #2c2c2c;
    font-size: 1.3em;
    margin-bottom: 20px;
}

/* Campos do formulário */
.campo {
    margin-bottom: 20px;
}

.campo label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.campo input,
.campo select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.campo input:focus,
.campo select:focus {
    outline: none;
    border-color: #667eea;
}

/* Campos em grupo (lado a lado) */
.campo-grupo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

/* Mensagem de informação */
.mensagem-info {
    padding: 12px;
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    border-radius: 5px;
    margin-top: 15px;
    font-size: 0.95em;
    color: #1565c0;
}

.mensagem-info.erro {
    background: #ffebee;
    border-left-color: #f44336;
    color: #c62828;
}

.mensagem-info.sucesso {
    background: #e8f5e9;
    border-left-color: #4caf50;
    color: #2e7d32;
}

/* Botão de enviar */
.btn-enviar {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #2c2c2c 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-enviar:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-enviar:active {
    transform: translateY(0);
}

/* Responsividade para celular */
@media (max-width: 768px) {
    .campo-grupo {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    form {
        padding: 20px;
    }
}