body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 2rem 0;
}

.card {
    border: none;
    border-radius: 12px;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

#btn-google-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#btn-google-login svg {
    margin-right: 0.5rem;
}

/* Emoji Cards - Cards lado a lado para opções com apenas emojis */
.emoji-cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
}

.emoji-card-btn {
    flex: 1;
    min-width: 100px;
    max-width: 150px;
    aspect-ratio: 1;
    border: 2px solid #667eea;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.emoji-card-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
    border-color: #764ba2;
    background: #f8f9ff;
}

.emoji-card-btn:active {
    transform: translateY(-2px);
}

.emoji-large {
    font-size: 4rem;
    line-height: 1;
    display: block;
}

/* Responsivo - em telas menores, cards ficam em coluna */
@media (max-width: 768px) {
    .emoji-cards-container {
        flex-direction: column;
    }
    
    .emoji-card-btn {
        max-width: 100%;
        min-width: auto;
    }
    
    .emoji-large {
        font-size: 3rem;
    }
}