/* Custom cybertruck animations and effects */
@keyframes cyber-glow {
    0%, 100% { box-shadow: 0 0 5px #00d4ff, 0 0 10px #00d4ff, 0 0 15px #00d4ff; }
    50% { box-shadow: 0 0 10px #00d4ff, 0 0 20px #00d4ff, 0 0 30px #00d4ff; }
}

@keyframes energy-pulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.cyber-glow {
    animation: cyber-glow 2s ease-in-out infinite;
}

.energy-pulse {
    animation: energy-pulse 1.5s ease-in-out infinite;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #00d4ff;
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: #0099cc;
}

/* Button hover effects */
button:hover {
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

/* Timer glow effect when running */
.timer-running {
    animation: cyber-glow 3s ease-in-out infinite;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .text-6xl {
        font-size: 3rem;
    }
    
    .w-80 {
        width: 16rem;
    }
    
    .h-80 {
        height: 16rem;
    }
}

/* Cybertruck-style input styling */
input[type="number"] {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border: none;
    border-bottom: 2px solid #00d4ff;
    outline: none;
    transition: all 0.3s ease;
}

input[type="number"]:focus {
    border-bottom-color: #ffffff;
    box-shadow: 0 2px 0 #00d4ff;
}

/* Checkbox styling */
input[type="checkbox"] {
    appearance: none;
    background: #1a1a1a;
    border: 2px solid #00d4ff;
    width: 16px;
    height: 16px;
    position: relative;
    cursor: pointer;
}

input[type="checkbox"]:checked {
    background: #00d4ff;
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 1px;
    color: #1a1a1a;
    font-weight: bold;
    font-size: 12px;
}