* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
}

body {
    color: white;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.blur-content {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: transparent !important;
}

video.bg-video {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: -1;
}

.whatsapp-header {
    background-color: #008069;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.back-button {
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.header-text {
    flex: 1;
}

.header-text h1 {
    font-size: 18px;
    font-weight: 500;
}

.header-text p {
    font-size: 13px;
    opacity: 0.9;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.profile-container {
    margin-bottom: 30px;
}

.profile-img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #25d366, #128c7e);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 60px;
}

.group-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.group-info {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.members-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.member-count,
.active-members {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.count {
    font-size: 22px;
    font-weight: 600;
}

.label {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 5px;
}

.online-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #25d366;
}

.notification {
    background-color: white;
    border-radius: 10px;
    padding: 15px;
    margin: 25px 0;
    font-size: 14px;
    color: black;
    text-align: center;
    max-width: 400px;
    width: 100%;
    backdrop-filter: blur(1px);
}

.notification i {
    margin-right: 8px;
    opacity: 0.8;
}

.join-button {
    background-color: #25d366;
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 auto;
}

.join-button:hover {
    background-color: #20bd5c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.join-button:active {
    transform: translateY(0);
}

.security-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 13px;
    opacity: 0.8;
}

.footer {
    padding: 20px;
    font-size: 12px;
    opacity: 0.7;
    text-align: center;
    flex-shrink: 0;
}

.message-popup {
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 10;
}

.message-popup.show {
    opacity: 1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    
    50% {
        transform: scale(1.05);
    }
    
    100% {
        transform: scale(1);
    }
}

.profile-img {
    animation: pulse 3s infinite ease-in-out;
}

@media (max-width: 480px) {
    .profile-img {
        width: 120px;
        height: 120px;
        font-size: 50px;
    }
    
    .group-name {
        font-size: 22px;
    }
    
    .members-info {
        gap: 30px;
    }
    
    .join-button {
        padding: 16px 35px;
        font-size: 16px;
    }
}

@media (max-width: 350px) {
    .members-info {
        flex-direction: column;
        gap: 20px;
    }
    
    .group-name {
        font-size: 20px;
    }
    
    .main-content {
        padding: 15px;
    }
}