/* Estilos Gerais */
body { 
    font-family: Arial, sans-serif; 
    padding: 15px; 
    background: #f5f5f5; 
    line-height: 1.0;
    margin: 0;
}

.container { 
    max-width: 600px; 
    margin: 0 auto; 
}

/* Formulário */
.form-group { 
    margin-bottom: 15px; 
}

label { 
    display: block; 
    margin-bottom: 5px; 
    color: #333;
    font-weight: bold;
}

input, select { 
    width: 100%; 
    padding: 3px; 
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

input[type="file"] {
    padding: 8px;
}

.qr-preview {
    max-width: 200px;
    margin: 10px 0;
    display: none;
}

/* Botões */
button { 
    background: #1a73e8; 
    color: white; 
    border: none; 
    cursor: pointer;
    padding: 12px 20px;
    border-radius: 4px;
    width: 100%;
    margin-bottom: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

button:hover {
    background: #1557b0;
    transform: translateY(-1px);
}

.copy-button {
    background: #0F13F1;
    margin-top: 10px;
}

.copy-button:hover {
    background: #0F13F1;
}

/* Cards e Containers */
.card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}

.result-item {
    background: white;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.qr-code-container {
    text-align: center;
    margin: 10px 0;
    padding: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.qr-code-container img {
    max-width: 186px;
    height: auto;
    margin: 0 auto;
    display: block;
}

/* Títulos */
h2 {
    color: #1a73e8;
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

/* Mensagens */
.error {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
}

.success {
    color: #28a745;
    font-size: 14px;
    margin-top: 5px;
    text-align: center;
    padding: 10px;
    background: #d4edda;
    border-radius: 4px;
}

/* URL gerada */
.url-box {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
    margin: 20px 0;
    word-break: break-all;
    border: 1px solid #ddd;
}

/* Responsividade */
@media (max-width: 568px) {
    .container {
        padding: 10px;
    }
    
    .card {
        padding: 10px;
    }
}