/* Loader Styles */
#loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #222;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#loader-wrapper.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-container {
    position: relative;
    width: 300px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
            inset 0 0 15px rgba(0,0,0,0.8),
            0 0 10px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
}

/* Glass reflections */
.loader-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.1), transparent);
    z-index: 20;
    pointer-events: none;
    border-radius: 20px 20px 0 0;
}

.liquid {
    position: absolute;
    top: 0;
    left: 0;
    width: 0%; /* Start at 0 */
    height: 100%;
    background: rgba(255, 165, 0, 0.4); /* Translucent Orange */
    box-shadow:
            0 0 20px rgba(255, 165, 0, 0.3),
            inset 0 0 10px rgba(255, 140, 0, 0.4);
    transition: width 0.2s ease-out; /* Smoother transition for progress updates */

    /* Wavy front effect */
    border-radius: 20px 0 0 20px;
    -webkit-mask-image:
            linear-gradient(black, black),
            url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='40' viewBox='0 0 10 40'%3E%3Cpath d='M0,0 L0,40 L5,40 Q15,30 5,20 Q-5,10 5,0 Z' fill='black'/%3E%3C/svg%3E");
    -webkit-mask-size: calc(100% - 10px) 100%, 10px 40px;
    -webkit-mask-position: left top, right 0;
    -webkit-mask-repeat: no-repeat, repeat-y;

    mask-image:
            linear-gradient(black, black),
            url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='40' viewBox='0 0 10 40'%3E%3Cpath d='M0,0 L0,40 L5,40 Q15,30 5,20 Q-5,10 5,0 Z' fill='black'/%3E%3C/svg%3E");
    mask-size: calc(100% - 10px) 100%, 10px 40px;
    mask-position: left top, right 0;
    mask-repeat: no-repeat, repeat-y;

    overflow: hidden;
    animation: waveMove 1.5s linear infinite;
}

@keyframes waveMove {
    0% {
        -webkit-mask-position: left top, right 0;
        mask-position: left top, right 0;
    }
    100% {
        -webkit-mask-position: left top, right 40px;
        mask-position: left top, right 40px;
    }
}

/* Noisy Front Effect */
.liquid::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px; /* Slightly wider */
    height: 100%;
    /* High contrast noise */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='1'/%3E%3C/svg%3E");
    background-size: 100px 100px;
    /* Normal blend mode to ensure visibility */
    mix-blend-mode: normal;
    opacity: 0.3;
    animation: staticNoise 0.2s steps(4) infinite;
    /* Fade mask to blend it into the liquid */
    -webkit-mask-image: linear-gradient(to right, transparent, black);
    mask-image: linear-gradient(to right, transparent, black);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.liquid.finished::after {
    opacity: 0;
    animation: none;
}

/* Bubbles effect */
.bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.bubble {
    position: absolute;
    left: -10px;
    /* Background color same as body (#222) with 0.2 alpha */
    background: rgba(34, 34, 34, 0.2);
    border-radius: 50%;
    animation: moveRight 2s infinite ease-in;
    box-shadow: inset 0 0 2px rgba(0,0,0,0.3);
}

@keyframes moveRight {
    0% {
        left: -10px;
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    100% {
        left: 110%;
        transform: translateY(-5px) scale(1.2);
        opacity: 0;
    }
}