body {
    background-color: #0f0f1a;
    color: white;
}

.vip-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.bottom-nav {
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(10px);
}

.container {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-badge {
    background: linear-gradient(135deg, #ff4b1f 0%, #ff9068 100%);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

/* สไตล์สำหรับ Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s, visibility 0.5s;
    backdrop-filter: blur(5px);
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    color: white;
    border-radius: 20px;
    padding: 35px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    text-align: center;
    transform: scale(0.5) translateY(-50px);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.6s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.popup-overlay.active .popup-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.popup-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: linear-gradient(145deg, rgba(46, 213, 115, 0.2), rgba(46, 213, 115, 0.4));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulse 2s infinite;
    box-shadow: 0 0 20px rgba(46, 213, 115, 0.3);
}

.popup-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(46, 213, 115, 0.5);
    animation: rotate 3s linear infinite;
}

.popup-icon svg {
    width: 45px;
    height: 45px;
    color: #2ed573;
    filter: drop-shadow(0 0 5px rgba(46, 213, 115, 0.7));
}

.popup-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
    background: linear-gradient(to right, #2ed573, #7bed9f);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(46, 213, 115, 0.3);
}

.popup-message {
    margin-bottom: 30px;
    color: #e0e0e0;
    font-size: 16px;
    line-height: 1.5;
}

.popup-button {
    background: linear-gradient(to right, #2ed573, #7bed9f);
    color: white;
    border: none;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(46, 213, 115, 0.4);
    position: relative;
    overflow: hidden;
}

.popup-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.popup-button:hover::before {
    left: 100%;
}

.popup-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 213, 115, 0.6);
}