/* === THEME BACKGROUND EFFECTS (PROFESSIONAL ATMOSPHERE) === */
.theme-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    /* Behind everything */
    overflow: hidden;
}

/* Base Transition Container */
.sun-glows,
.moon-glows {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

/* =========================================
   DAY THEME: SUN RAYS & PASSING CLOUDS
   ========================================= */
[data-theme="light"] .sun-glows {
    opacity: 1;
    background: linear-gradient(to bottom, #dbeafe 0%, transparent 40%);
    /* Subtle sky tint */
}

/* Effect 1: Sun Rays (God Rays) */
.sun-glows::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 150%;
    height: 150%;
    background: repeating-conic-gradient(from 0deg,
            rgba(255, 255, 255, 0.03) 0deg,
            rgba(255, 255, 255, 0.03) 5deg,
            transparent 5deg,
            transparent 10deg);
    animation: sunRaysRotate 60s linear infinite;
    transform-origin: center;
    mix-blend-mode: overlay;
}

/* Effect 2: Passing Clouds (Soft & Tenue) */
.sun-glows::after {
    content: '';
    position: absolute;
    top: 10%;
    left: -20%;
    width: 40%;
    height: 20%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    filter: blur(40px);
    opacity: 0.6;
    animation: driftClouds 45s linear infinite;
}

/* Additional Cloud Layer via child element approach using shadow */
.sun-glows .cloud-layer {
    position: absolute;
    top: 30%;
    left: -20%;
    width: 60%;
    height: 15%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    filter: blur(50px);
    animation: driftClouds 60s linear infinite reverse;
    /* Moves differently */
    opacity: 0.4;
}


/* =========================================
   NIGHT THEME: MOVING MOON & STARS
   ========================================= */
[data-theme="dark"] .moon-glows {
    opacity: 1;
    background: linear-gradient(to bottom, #0f172a 0%, transparent 50%);
    /* Deep night transition */
}

/* Effect 1: Moving Moon */
.moon-glows::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 15%;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #fefce8, #f1f5f9);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3), 0 0 60px rgba(255, 255, 255, 0.1);
    animation: moonPath 120s linear infinite alternate;
    /* Moves slowly */
}

/* Effect 2: Twinkling Stars Background */
.moon-glows::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(1px 1px at 10% 10%, white, transparent),
        radial-gradient(1px 1px at 20% 40%, white, transparent),
        radial-gradient(1.5px 1.5px at 30% 70%, white, transparent),
        radial-gradient(1px 1px at 40% 20%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1.5px 1.5px at 60% 80%, white, transparent),
        radial-gradient(1px 1px at 70% 30%, white, transparent),
        radial-gradient(1px 1px at 80% 60%, white, transparent),
        radial-gradient(1.5px 1.5px at 90% 10%, white, transparent);
    background-size: 550px 550px;
    opacity: 0.7;
    animation: starsTwinkle 4s ease-in-out infinite alternate;
}

/* =========================================
   ANIMATIONS
   ========================================= */

@keyframes sunRaysRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes driftClouds {
    0% {
        transform: translateX(0) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateX(120vw) scale(1.1);
        opacity: 0;
    }
}

@keyframes moonPath {
    0% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-20px, 10px);
    }

    100% {
        transform: translate(10px, -5px);
    }
}

@keyframes starsTwinkle {
    0% {
        opacity: 0.3;
        transform: scale(0.9);
    }

    100% {
        opacity: 0.8;
        transform: scale(1);
    }
}