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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background: linear-gradient(to bottom, #0a0a1a, #1a1a2e);
    font-family: Arial, sans-serif;
    cursor: pointer;
}

/* Nuvens */
.clouds {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 40%;
    pointer-events: none;
}

.cloud-layer {
    position: absolute;
    width: 100%;
    height: 100%;
}

.cloud-base {
    bottom: 20%;
    animation: cloudMove 40s infinite linear;
}

.cloud-mid {
    bottom: 15%;
    animation: cloudMove 30s infinite linear;
    opacity: 0.8;
}

.cloud-top {
    bottom: 10%;
    animation: cloudMove 20s infinite linear;
    opacity: 0.6;
}

.cloud {
    position: absolute;
    background: rgba(80, 90, 100, 0.8);
    border-radius: 50%;
    filter: blur(10px);
}

.cloud-1 {
    width: 200px;
    height: 80px;
    top: 20px;
    left: 5%;
}

.cloud-2 {
    width: 250px;
    height: 100px;
    top: 10px;
    left: 40%;
}

.cloud-3 {
    width: 180px;
    height: 70px;
    top: 30px;
    right: 10%;
}

.cloud-4 {
    width: 220px;
    height: 90px;
    top: 15px;
    left: 20%;
}

.cloud-5 {
    width: 190px;
    height: 85px;
    top: 25px;
    right: 30%;
}

.cloud-6 {
    width: 150px;
    height: 60px;
    top: 5px;
    left: 60%;
}

.cloud-7 {
    width: 170px;
    height: 75px;
    top: 35px;
    right: 20%;
}

@keyframes cloudMove {
    0% { transform: translateX(0); }
    50% { transform: translateX(20px); }
    100% { transform: translateX(0); }
}

/* Relâmpago */
.lightning {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 10;
}

.lightning.active {
    animation: lightningFlash 0.5s;
}

@keyframes lightningFlash {
    0% { opacity: 0; }
    10% { opacity: 0.8; }
    20% { opacity: 0.3; }
    30% { opacity: 0.9; }
    40% { opacity: 0.2; }
    50% { opacity: 0.7; }
    60% { opacity: 0.1; }
    70% { opacity: 0.4; }
    80% { opacity: 0.05; }
    90% { opacity: 0.2; }
    100% { opacity: 0; }
}

/* Chuva */
.rain-container {
    position: absolute;
    top: 40%;
    left: 0;
    width: 100%;
    height: 60%;
}

.rain {
    position: absolute;
    width: 100%;
    height: 100%;
}

.front-row {
    z-index: 3;
}

.back-row {
    z-index: 2;
    opacity: 0.6;
    filter: blur(1px);
}

.drop {
    position: absolute;
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: rainFall 1s linear infinite;
}

@keyframes rainFall {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Hint */
.hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 100;
}

/* Responsivo */
@media (max-width: 768px) {
    .clouds {
        height: 30%;
    }
    
    .rain-container {
        top: 30%;
        height: 70%;
    }
    
    .hint {
        font-size: 12px;
        padding: 8px 16px;
        bottom: 10px;
    }
    
    .cloud {
        filter: blur(5px);
    }
    
    .cloud-1, .cloud-2, .cloud-3, .cloud-4, .cloud-5, .cloud-6, .cloud-7 {
        transform: scale(0.7);
    }
}