/* style.css */
.bty-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    border: 2px solid #ff4d6d;
    border-radius: 15px;
    background-color: #fff0f3;
    font-family: sans-serif;
    text-align: center;
}
.bty-title {
    color: #c9184a;
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: bold;
}

/* Style cho Tabs */
.bty-tabs {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    background: #fff;
    border-radius: 25px;
    padding: 5px;
}
.bty-tab-link {
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 10px 15px;
    transition: 0.3s;
    font-size: 14px;
    font-weight: bold;
    color: #555;
    flex: 1;
    border-radius: 20px;
}
.bty-tab-link:hover {
    background-color: #ffe6eb;
}
.bty-tab-link.active {
    background-color: #ff4d6d;
    color: white;
}
.bty-tab-content {
    display: none; /* Mặc định ẩn hết */
    animation: fadeEffect 0.5s;
}

.bty-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ffccd5;
    border-radius: 8px;
    box-sizing: border-box;
    margin-bottom: 10px;
    font-size: 15px;
}
.bty-heart {
    color: #ff0054;
    font-size: 24px;
    margin: 10px 0;
}
.bty-btn {
    background-color: #ff4d6d;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}
.bty-btn:hover { background-color: #a4133c; }

.bty-result {
    display: none;
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ffccd5;
}
.bty-percent { font-size: 48px; color: #ff0054; font-weight: bold; }
.bty-message { margin-top: 10px; font-size: 16px; color: #333; }

@keyframes fadeEffect {
    from {opacity: 0;}
    to {opacity: 1;}
}