/* Classic Galaxy Effects (CSS-based) */

/* Background Gradient & Glow */
.bg-gradient-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150vw;
    height: 150vh;
    background: radial-gradient(circle at center, rgba(112, 0, 255, 0.15), transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Base Stars */
.bg-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.star {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    opacity: 0.8;
    animation: twinkle var(--duration) ease-in-out infinite;
    box-shadow: 0 0 4px #fff;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Shooting Stars */
.bg-shooting-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    transform: rotateZ(45deg);
    /* Angle */
    pointer-events: none;
}

.shooting-star {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 2px;
    background: linear-gradient(-45deg, rgba(255, 255, 255, 1), rgba(0, 0, 255, 0));
    border-radius: 999px;
    filter: drop-shadow(0 0 6px rgba(105, 155, 255, 1));
    animation: tail 3000ms ease-in-out infinite, shooting 3000ms ease-in-out infinite;
}

.shooting-star::before {
    content: '';
    position: absolute;
    top: calc(50% - 1px);
    right: 0;
    height: 2px;
    background: linear-gradient(-45deg, rgba(0, 0, 255, 0), rgba(255, 255, 255, 1), rgba(0, 0, 255, 0));
    transform: translateX(50%) rotateZ(45deg);
    border-radius: 100%;
    animation: shining 3000ms ease-in-out infinite;
}

.shooting-star::after {
    /* Head of star */
    content: '';
    position: absolute;
    top: calc(50% - 1px);
    right: 0;
    height: 2px;
    background: rgba(0, 0, 255, 0);
    border-radius: 100%;
    transform: translateX(50%) rotateZ(45deg);
    animation: shining 3000ms ease-in-out infinite;
}

@keyframes tail {
    0% {
        width: 0;
    }

    30% {
        width: 100px;
    }

    100% {
        width: 0;
    }
}

@keyframes shooting {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(300px);
    }
}

@keyframes shining {
    0% {
        width: 0;
    }

    50% {
        width: 30px;
    }

    100% {
        width: 0;
    }
}

/* Light Mode Overrides */
[data-theme="light"] .star {
    background: #000;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
    opacity: 0.4;
}

[data-theme="light"] .shooting-star {
    background: linear-gradient(-45deg, #0284C7, rgba(0, 0, 255, 0));
    filter: drop-shadow(0 0 6px rgba(2, 132, 199, 0.5));
}