.marioday-container {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
    contain: strict;
    overflow: hidden;
}

.mario-wrapper {
    position: absolute;
    bottom: 5px;
    left: -100px;
    animation: mario-run 15s linear infinite;
    will-change: left, transform;
}

.mario-runner {
    width: 64px;
    height: auto;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
    display: block;
    will-change: transform;
}

.mario-jump {
    will-change: transform;
    animation: jump-arc 0.8s ease-in-out;
}

/* 8-bit coin styling */
.mario-coin {
    will-change: transform;
    position: absolute;
    width: 32px;
    height: 32px;
    background-color: #ffd700;
    border: 4px solid #b8860b;
    border-radius: 50%;
    box-shadow: inset 4px 4px 0 #fffbea, inset -4px -4px 0 #daa520;
    animation: pop-up-arc 2s forwards;
}

.mario-coin::after {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    width: 4px;
    height: 12px;
    background: #daa520;
    translate: 0 6px;
}

@keyframes mario-run {
    0% { left: -100px; transform: scaleX(1); }
    45% { left: 110vw; transform: scaleX(1); }
    50% { left: 110vw; transform: scaleX(-1); }
    95% { left: -100px; transform: scaleX(-1); }
    100% { left: -100px; transform: scaleX(1); }
}

@keyframes pop-up-arc {
    0%   { transform: translateY(0) rotateY(0deg); opacity: 0; animation-timing-function: ease-out; }
    20%  { opacity: 1; }
    50%  { transform: translateY(-30vh) rotateY(360deg); opacity: 1; animation-timing-function: ease-in; }
    90%  { opacity: 1; }
    100% { transform: translateY(20vh) rotateY(720deg); opacity: 0; }
}

@keyframes jump-arc {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(-25vh); }
    100% { transform: translateY(0); }
}