@keyframes pulseBlock {
    0%, 100% {
        box-shadow: var(--shadow-md), 0 0 10px rgba(236, 91, 19, 0.5);
        transform: scale(1);
    }
    50% {
        box-shadow: var(--shadow-md), 0 0 20px rgba(236, 91, 19, 0.8);
        transform: scale(1.02);
    }
}

@keyframes snap {
    0% {
        transform: translateY(8px);
        opacity: 0.7;
    }
    60% {
        transform: translateY(-3px);
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes coinFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-4px) rotate(5deg); }
}

@keyframes keyGlow {
    0%, 100% { filter: brightness(1) drop-shadow(0 0 4px rgba(236, 91, 19, 0.5)); transform: scale(1); }
    50% { filter: brightness(1.3) drop-shadow(0 0 8px rgba(236, 91, 19, 0.8)); transform: scale(1.1); }
}

@keyframes enemyPulse {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.08); filter: brightness(1.2); }
}

@keyframes bossPulse {
    0%, 100% { transform: scale(1); filter: brightness(1) drop-shadow(0 0 8px rgba(139, 0, 0, 0.5)); }
    50% { transform: scale(1.05); filter: brightness(1.3) drop-shadow(0 0 16px rgba(139, 0, 0, 0.8)); }
}

@keyframes attackSwing {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(15deg) scale(1.2); }
    100% { transform: rotate(0deg) scale(1); }
}

@keyframes collect {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5) rotate(180deg); opacity: 0.5; }
    100% { transform: scale(0) rotate(360deg); opacity: 0; }
}

@keyframes doorUnlock {
    0% { filter: brightness(1); transform: scale(1); }
    50% { filter: brightness(1.5) drop-shadow(0 0 10px gold); transform: scale(1.1); }
    100% { filter: brightness(1); transform: scale(1); }
}

@keyframes slideIn {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes gridHighlight {
    0%, 100% { box-shadow: inset 0 0 10px rgba(236, 91, 19, 0.3); }
    50% { box-shadow: inset 0 0 20px rgba(236, 91, 19, 0.6); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.block-executing {
    animation: pulseBlock 0.8s ease-in-out infinite;
}

.block-snap {
    animation: snap 0.2s ease-out;
}

.shake {
    animation: shake 0.5s ease-in-out;
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.fade-out {
    animation: fadeOut 0.3s ease-in forwards;
}

.collect {
    animation: collect 0.4s ease-out forwards;
}

.door-unlock {
    animation: doorUnlock 0.6s ease-in-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

.grid-highlight {
    animation: gridHighlight 1s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes healGlow {
    0% { filter: brightness(1) drop-shadow(0 0 0 rgba(34, 197, 94, 0)); }
    50% { filter: brightness(1.6) drop-shadow(0 0 14px rgba(34, 197, 94, 0.7)); }
    100% { filter: brightness(1) drop-shadow(0 0 0 rgba(34, 197, 94, 0)); }
}

@keyframes chestFloat {
    0%, 100% { transform: translateY(0); filter: brightness(1) drop-shadow(0 0 4px rgba(184, 134, 11, 0.4)); }
    50% { transform: translateY(-3px); filter: brightness(1.3) drop-shadow(0 0 10px rgba(184, 134, 11, 0.7)); }
}

.heal-glow {
    animation: healGlow 0.6s ease-out;
}