body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    color: white;
    overflow: hidden;
    background: linear-gradient(135deg, #00111f, #00334d);
    background-size: 400% 400%;
    animation: gradientMove 12s ease infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#snow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
}

.container {
    background: rgba(0, 0, 0, 0.55);
    padding: 35px 45px;
    border-radius: 20px;
    text-align: center;
    max-width: 550px;
    width: 90%;
    margin: auto;
    margin-top: 40px;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(6px);
    border: 2px solid rgba(255,255,255,0.2);
}

.glow {
    text-shadow: 0 0 10px gold, 0 0 20px gold;
}

.intro {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* COUNTDOWN ANIMATO */
.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 25px 0;
}

.time-box {
    background: rgba(255,255,255,0.1);
    padding: 15px 20px;
    border-radius: 12px;
    text-align: center;
    width: 90px;
    box-shadow: 0 0 10px rgba(255,255,255,0.2);
    animation: pop 0.6s ease;
}

@keyframes pop {
    0% { transform: scale(0.7); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.time-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #ffcc00;
    text-shadow: 0 0 10px #ffcc00;
    animation: flip 0.7s ease;
}

@keyframes flip {
    0% { transform: rotateX(90deg); opacity: 0; }
    100% { transform: rotateX(0deg); opacity: 1; }
}

.time-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

input {
    padding: 12px;
    border-radius: 10px;
    border: none;
    width: 100%;
    margin-bottom: 10px;
    font-size: 1rem;
}

button {
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: #ffcc00;
    color: #00111f;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #ffe066;
    transform: scale(1.05);
}

.footer {
    margin-top: 20px;
    opacity: 0.8;
    font-style: italic;
}

.flip {
    animation: flipAnim 0.6s ease;
}

@keyframes flipAnim {
    0% { transform: rotateX(90deg); opacity: 0; }
    50% { transform: rotateX(0deg); opacity: 1; }
    100% { transform: rotateX(0deg); opacity: 1; }
}

.flip {
    animation: flipAnim 0.6s ease;
}

@keyframes flipAnim {
    0% { transform: rotateX(90deg); opacity: 0; }
    100% { transform: rotateX(0deg); opacity: 1; }
}