/* Infinite Stairs Game CSS Styles */

#game-canvas {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, #ffe4e6, #ffedd5);
    image-rendering: pixelated;
    border-radius: 12px;
}

/* Dark mode canvas background override */
.dark #game-canvas {
    background: linear-gradient(to bottom, #0c0a0f, #020005);
}

/* Pulse Fever mode glows */
@keyframes fever-pulse {
    0% { border-color: rgba(139, 92, 246, 0.4); box-shadow: inset 0 0 10px rgba(139, 92, 246, 0.4); }
    50% { border-color: rgba(139, 92, 246, 0.9); box-shadow: inset 0 0 30px rgba(139, 92, 246, 0.8); }
    100% { border-color: rgba(139, 92, 246, 0.4); box-shadow: inset 0 0 10px rgba(139, 92, 246, 0.4); }
}

#fever-glow.active {
    opacity: 1;
    animation: fever-pulse 1.2s infinite ease-in-out;
}

/* Mobile button active animations */
#ctrl-turn:active {
    background-color: #cbd5e1;
}
.dark #ctrl-turn:active {
    background-color: #334155;
}

#ctrl-climb:active {
    background-color: #0284c7;
}

/* Shake Animation */
.shake {
    animation: shake-anim 0.15s ease-in-out;
}

@keyframes shake-anim {
    0% { transform: translate(0, 0); }
    20% { transform: translate(-4px, 3px); }
    40% { transform: translate(4px, -3px); }
    60% { transform: translate(-3px, -2px); }
    80% { transform: translate(3px, 2px); }
    100% { transform: translate(0, 0); }
}