body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at 50% 50%, #0a0a23 0%, #000 100%);
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
}

.loader-container {
    position: relative;
    width: 90vw;
    max-width: 400px; 
    height: 70vw;
    max-height: 300px; 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

#loader {
    position: relative;
    width: 90vw;
    max-width: 400px;
    height: 70vw;
    max-height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.center-circle {
    position: absolute;
    z-index: 10;
    width: 25vw;
    height: 25vw;
    max-width: 100px;
    max-height: 100px;
    border: 5px solid #FFD700;
    border-radius: 50%;
    overflow: hidden;
    background: transparent;
    transition: all 1s ease;
}

.timer-fill {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(135deg, #FFD700 40%, #FFA500 60%);
    border-radius: 50% 50% 0 0;
    transform-origin: bottom;
    transition: height 0.1s linear;
}

.circle {
    position: absolute;
    width: 12vw;
    height: 12vw;
    max-width: 50px;
    max-height: 50px;
    border-radius: 50%;
    transition: transform 0.5s linear;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.planet-mercury { background: radial-gradient(circle at 30% 30%, #b2b2b2 0%, #888 100%); }
.planet-venus { background: radial-gradient(circle at 30% 30%, #e6c290 0%, #c69c6d 100%); }
.planet-earth { background: radial-gradient(circle at 30% 30%, #3d85c6 0%, #1c3f73 100%); }
.planet-mars { background: radial-gradient(circle at 30% 30%, #d35400 0%, #8b2a00 100%); }
.planet-jupiter { background: radial-gradient(circle at 30% 30%, #c68642 0%, #7b4f2f 100%); }
.planet-saturn { background: radial-gradient(circle at 30% 30%, #f5deb3 0%, #d2b48c 100%); }
.planet-uranus { background: radial-gradient(circle at 30% 30%, #7fdbff 0%, #2e8fb5 100%); }
.planet-neptune { background: radial-gradient(circle at 30% 30%, #2e3c88 0%, #000a33 100%); }

#welcome-text {
    position: absolute;
    font-size: 6vw;
    color: #FFD700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    letter-spacing: 10px;
}

#sun.in-text {
    width: 55px;  
    height: 55px;
    max-width: 70px;
    max-height: 70px;
    margin: 0 5px;
    position: static;
    transform: translateY(5px);
}

#welcome-text.show {
    opacity: 1;
}

#welcome-text span {
    margin: 0 5px;
    color: #d1d5db;
    font-weight: bold;
}

#solar-text {
    font-size: 3vw;
    background: linear-gradient(90deg, #FFD700, #FFA500, #FF4500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    margin-top: 20px;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 0.8s ease-out;
    text-align: center;
    transform: translateY(-20px);
}

#solar-text.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    #welcome-text {
        font-size: 6vw;
        letter-spacing: 5px;
    }
    #solar-text {
        font-size: 3vw;
    }
    .center-circle {
        width: 20vw;
        height: 20vw;
        border-width: 3px;
    }
    .circle {
        width: 10vw;
        height: 10vw;
    }
}

@media (max-width: 480px) {
    #welcome-text {
        font-size: 8vw;
        letter-spacing: 5px;
    }
    #solar-text {
        font-size: 4vw;
    }
    .center-circle {
        width: 25vw;
        height: 25vw;
        border-width: 2px;
    }
    .circle {
        width: 10vw;
        height: 10vw;
    }

}