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

body {
    font-family: 'Segoe UI', 'Roboto', 'Ubuntu', Arial, sans-serif;
    background: linear-gradient(135deg, #182848 0%, #1a1a1a 100%);
    color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

.container {
    text-align: center;
    padding: 2.5rem 2rem 2rem 2rem;
    max-width: 420px;
    width: 100%;
    background: rgba(24, 36, 72, 0.92);
    border-radius: 32px;
    box-shadow: 0 8px 40px 0 rgba(24, 36, 72, 0.25), 0 1.5px 8px 0 rgba(37, 211, 102, 0.08);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
}

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

/* Logo WhatsApp */
.logo-container {
    margin-bottom: 2.2rem;
    animation: pulse 2s infinite;
}

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

/* Nome do grupo com degradê rosa */
.group-name {
    background: linear-gradient(to right, #ff5e99, #ffb6c1);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 600;
    padding: 1rem 2.2rem;
    border-radius: 40px;
    margin: 1.5rem auto 1.2rem auto;
    display: inline-block;
    box-shadow: 0 4px 18px rgba(255, 94, 153, 0.25);
    letter-spacing: 0.2px;
    transition: all 0.3s cubic-bezier(.4,2,.3,1);
}

.group-name:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 32px rgba(255, 94, 153, 0.35);
}

/* WhatsApp logo com degradê rosa */
.whatsapp-logo {
    width: 90px;
    height: 90px;
    color: #25D366;
    background: none;
    border-radius: 0;
    filter: drop-shadow(0 4px 16px rgba(37, 211, 102, 0.4));
}

/* Título principal com degradê rosa */
.main-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    background: linear-gradient(to right, #ff5e99, #ffb6c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 8px rgba(255, 94, 153, 0.18);
    letter-spacing: 0.5px;
}

/* Mensagem */
.message {
    font-size: 1.08rem;
    line-height: 1.7;
    margin: 1.5rem 0 2.2rem 0;
    color: #e0e0e0;
    opacity: 0.92;
}

/* Contador */
.countdown-container {
    margin: 1.5rem 0 2.2rem 0;
}

.countdown-text {
    font-size: 1.18rem;
    color: #ff5e99;
    padding: 1rem 2rem;
    border: 2px solid #ff5e99;
    border-radius: 18px;
    background: rgba(255, 94, 153, 0.10);
    backdrop-filter: blur(8px);
    display: inline-block;
    font-weight: 600;
    animation: glow 2s ease-in-out infinite alternate;
    box-shadow: 0 0 12px 0 rgba(255, 94, 153, 0.10);
}

@keyframes glow {
    from {
        box-shadow: 0 0 10px rgba(255, 94, 153, 0.3);
    }
    to {
        box-shadow: 0 0 20px rgba(255, 94, 153, 0.6);
    }
}

#countdown {
    font-weight: bold;
    font-size: 1.3em;
    color: #fff;
}

/* Botão com tons de rosa */
.enter-button {
    background: linear-gradient(90deg, #ff5e99 60%, #ffb6c1 100%);
    color: #fff;
    border: none;
    padding: 1.1rem 2.7rem;
    font-size: 1.13rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    margin: 2.2rem 0 1.2rem 0;
    box-shadow: 0 8px 32px rgba(255, 94, 153, 0.25);
    transition: all 0.25s cubic-bezier(.4,2,.3,1);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
}

.enter-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
    transition: left 0.5s;
}

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

.enter-button:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 40px rgba(255, 94, 153, 0.35);
    filter: brightness(1.08);
}

.enter-button:active {
    transform: translateY(-1px) scale(0.98);
}

.button-icon {
    width: 24px;
    height: 24px;
    color: #fff;
}

/* Nota de rodapé */
.divider {
    border: none;
    border-top: 1.5px solid #ff5e99;
    margin: 2.2rem 0 1.2rem 0;
    width: 80%;
    opacity: 0.25;
}

.footer-note {
    font-size: 0.95rem;
    color: #ffb6c1;
    margin-top: 1.2rem;
    font-style: italic;
    letter-spacing: 0.1px;
}

/* Responsividade */
@media (max-width: 600px) {
    .container {
        padding: 1.2rem 0.5rem 1.2rem 0.5rem;
        max-width: 98vw;
    }
    .main-title {
        font-size: 1.3rem;
    }
    .group-name {
        font-size: 1.05rem;
        padding: 0.7rem 1.2rem;
    }
    .countdown-text {
        font-size: 1rem;
        padding: 0.7rem 1.2rem;
    }
    .enter-button {
        font-size: 1rem;
        padding: 0.8rem 1.2rem;
    }
    .button-icon {
        width: 18px;
        height: 18px;
    }
}

/* Animações adicionais */
@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-title {
    animation: slideInFromTop 0.6s ease-out 0.2s both;
}

.group-name {
    animation: slideInFromTop 0.6s ease-out 0.4s both;
}

.message {
    animation: slideInFromTop 0.6s ease-out 0.6s both;
}

.