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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #1a1a1a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

.form-wrapper {
    background: #2a2a2a;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    color: #ffffff;
    margin-bottom: 10px;
    font-size: 28px;
    text-align: center;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.subtitle {
    color: #cccccc;
    text-align: center;
    margin-bottom: 30px;
    font-size: 14px;
    text-transform: uppercase;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    color: #ffffff;
    font-weight: 500;
    font-size: 14px;
}

input {
    padding: 12px 16px;
    border: 1px solid #444444;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #333333;
    color: #ffffff;
}

input::placeholder {
    color: #999999;
}

input:focus {
    outline: none;
    border-color: #555555;
    background: #3a3a3a;
}

.btn-submit {
    background: #3a3a3a;
    color: #ffffff;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    background: #4a4a4a;
    transform: translateY(-2px);
}

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

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.whatsapp-link-container {
    margin-top: 20px;
    text-align: center;
}

.whatsapp-link {
    color: #25D366;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
    padding: 12px 20px;
    border: 1px solid #25D366;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(37, 211, 102, 0.1);
}

.whatsapp-link:hover {
    background: rgba(37, 211, 102, 0.2);
    border-color: #20BA5A;
    color: #20BA5A;
    transform: translateY(-2px);
}

.whatsapp-link:active {
    transform: translateY(0);
}

.mensagem-sucesso,
.mensagem-erro {
    margin-top: 20px;
    padding: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mensagem-sucesso {
    background: #1a4a1a;
    color: #90ee90;
    border: 1px solid #2a6a2a;
}

.mensagem-erro {
    background: #4a1a1a;
    color: #ff9999;
    border: 1px solid #6a2a2a;
}

.mensagem-sucesso svg,
.mensagem-erro svg {
    flex-shrink: 0;
}

.footer-ascii {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #444444;
    text-align: center;
}

.ascii-art {
    color: #25D366;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    line-height: 1.2;
    margin: 0;
    padding: 0;
    white-space: pre;
    overflow-x: auto;
    text-align: center;
}

.ascii-by {
    color: #25D366;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    margin-top: 10px;
    margin-bottom: 0;
    text-align: center;
}

.footer-text {
    color: #cccccc;
    font-size: 14px;
    margin-top: 20px;
    font-style: italic;
}

@media (max-width: 640px) {
    .form-wrapper {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 22px;
    }
    
    .ascii-art {
        font-size: 7px;
    }
    
    .footer-text {
        font-size: 12px;
    }
}