/* CSS Variables for Premium Dark/Blue Theme */
:root {
    --bg-main: #030712;
    --bg-radial: radial-gradient(circle at center, #0b152d 0%, #020617 100%);
    
    --color-primary: #0066ff;
    --color-primary-light: #2a7fff;
    --color-primary-dark: #0000ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    background-image: var(--bg-radial);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Background Glow Effects */
.background-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    pointer-events: none;
    filter: blur(40px);
}

/* Floating Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(42, 127, 255, 0.25) 0%, rgba(42, 127, 255, 0) 80%);
    border-radius: 50%;
    pointer-events: none;
    animation: floatParticle 12s infinite linear;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1.2);
        opacity: 0;
    }
}

/* Logo Pulsing & Ripple Effect */
.logo-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.logo-container {
    width: 165px;
    height: 219px;
    z-index: 2;
    filter: drop-shadow(0 15px 30px rgba(0, 102, 255, 0.35));
    animation: mainPulse 3s infinite cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.logo-container svg {
    width: 100%;
    height: 100%;
}

.logo-path {
    transition: fill 0.3s ease;
}

/* SVG Colors matching the original Vue AppLogo */
.path-light-blue { fill: var(--color-primary-light); }
.path-blue { fill: var(--color-primary); }
.path-dark-blue { fill: var(--color-primary-dark); }

/* Glowing rings expanding outwards */
.logo-glow-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 102, 255, 0.25);
    background: radial-gradient(circle, rgba(0, 102, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    width: 100%;
    height: 100%;
    transform-origin: center;
}

.ring-1 {
    animation: ringRipple 4.5s infinite cubic-bezier(0.1, 0.8, 0.3, 1);
}

.ring-2 {
    animation: ringRipple 4.5s infinite cubic-bezier(0.1, 0.8, 0.3, 1);
    animation-delay: 1.5s;
}

.ring-3 {
    animation: ringRipple 4.5s infinite cubic-bezier(0.1, 0.8, 0.3, 1);
    animation-delay: 3.0s;
}

@keyframes mainPulse {
    0%, 100% {
        transform: scale(1) translateY(0);
        filter: drop-shadow(0 10px 20px rgba(0, 102, 255, 0.35));
    }
    50% {
        transform: scale(1.1) translateY(-6px);
        filter: drop-shadow(0 18px 36px rgba(0, 102, 255, 0.55));
    }
}

@keyframes ringRipple {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}