:root {
    --radius: 0.75rem;
}

* {
    border-color: hsl(217 33% 17%);
}

body {
    background-color: hsl(222 47% 6%);
    color: hsl(210 40% 98%);
    transition: opacity 0.5s ease;
}

body.loaded {
    opacity: 1;
}

.gradient-text {
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    background-image: linear-gradient(to right, hsl(262 83% 58%), hsl(199 89% 48%), hsl(262 83% 58%));
    background-size: 200% auto;
    animation: gradient-shift 3s ease infinite;
}

.glow-primary {
    box-shadow: 0 0 20px hsl(262 83% 58% / 0.5), 0 0 40px hsl(262 83% 58% / 0.3);
}

.glass {
    background-color: hsl(222 47% 8% / 0.3);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid hsl(217 33% 17% / 0.5);
}

.glass-hover {
    transition: all 0.5s;
}
.glass-hover:hover {
    background-color: hsl(222 47% 8% / 0.5);
    border-color: hsl(262 83% 58% / 0.3);
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 200% center; }
}

@keyframes particle-float {
    0% { transform: translateY(100vh); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh); opacity: 0; }
}

.particle {
    animation: particle-float linear infinite;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: calc(var(--radius) - 2px);
    font-size: 0.875rem;
    font-weight: 500;
    
    /* POPRAWIONA LINIA: */
    transition: all 0.3s ease-in-out;
    
    outline: none;
    cursor: pointer;
}
.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}
.btn-lg {
    height: 2.75rem;
    padding-left: 2rem;
    padding-right: 2rem;
    font-size: 1.125rem;
}
.btn-default {
    background-color: hsl(262 83% 58%);
    color: hsl(210 40% 98%);
}
.btn-default:hover {
    background-color: hsl(262 83% 58% / 0.9);
}
.btn-outline-static {
    border: 1px solid hsl(217 33% 17%);
    background-color: transparent;
}
.btn-secondary {
    background-color: hsl(217 33% 17%);
    color: hsl(210 40% 98%);
}
.btn-secondary:hover {
    background-color: hsl(217 33% 17% / 0.8);
}
.btn-sm {
    height: 2.25rem;
    border-radius: calc(var(--radius) - 2px);
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    font-size: 0.75rem;
}
.btn-icon {
    height: 2.5rem;
    width: 2.5rem;
    padding: 0;
}
.btn-ghost {
    background-color: transparent;
}
.btn-ghost:hover {
    background-color: hsl(217 33% 17%);
    color: hsl(210 40% 98%);
}

.accordion-content {
    transition: height 0.3s ease-out;
    overflow: hidden;
}