/* =========================================
   PARTICLE PRELOADER (THEMED)
   Theme: Odoo X Indus (Deep Purple/Indigo)
========================================= */

/* Main Container - Fullscreen Overlay */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Theme Requirements: Deep Purple / Indigo Gradient */
    background: linear-gradient(135deg, #110b1d 0%, #241235 50%, #1a1025 100%);
    z-index: 9999;
    overflow: hidden;
    /* Transition for smooth fade-out */
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Particle Containers */
#particles-background,
#particles-foreground {
    position: absolute;
    left: -51%;
    top: -51%;
    width: 202%;
    height: 202%;
    transform: scale3d(0.5, 0.5, 1);
    z-index: 1;
    /* Background behind loader */
}

#particles-background {
    /* Subtle overlay for depth */
    background: radial-gradient(circle at center, rgba(126, 34, 206, 0.15) 0%, transparent 70%);
}

#particles-foreground {
    z-index: 2;
    /* Foreground slightly above */
}

/* Centering Box */
.vertical-centered-box {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    z-index: 10;
    /* Above particles */
    display: flex;
    align-items: center;
    justify-content: center;
}

.vertical-centered-box .content {
    box-sizing: border-box;
    display: inline-block;
    text-align: left;
    font-size: 0;
    position: relative;
}

/* Logo SVG */
.loader-logo {
    width: 60px;
    /* Adjust size to fit inside circle */
    height: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    display: block;
}

/* Loader Circle (Outer) */
.loader-circle {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    /* Updated to Soft Violet/Indigo Tint */
    box-shadow: inset 0 0 0 1px rgba(168, 85, 247, 0.3);
    /* #a855f7 opacity */
    margin-left: -60px;
    margin-top: -60px;
    /* Optional: Subtle pulse if desired, but keeping code minimal as requested */
}

/* Loader Line Mask (Rotation Wrapper) */
.loader-line-mask {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 60px;
    height: 120px;
    margin-left: -60px;
    margin-top: -60px;
    overflow: hidden;
    transform-origin: 60px 60px;
    -webkit-mask-image: linear-gradient(top, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
    animation: rotate 1.2s infinite linear;
}

/* Loader Line (The Rotating Stroke) */
.loader-line-mask .loader-line {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    /* Theme Requirement: Primary Brand Accent */
    box-shadow: inset 0 0 0 1px #a855f7;
    /* Violet/Purple Accent */
}

/* Animations */
@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes fade {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.25;
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}