/* Custom animations and mobile optimizations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.beat-active {
    animation: pulse 0.5s ease-in-out;
}

/* Touch-friendly scrollbars */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 6px;
    min-height: 30px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* Mobile-optimized grid layouts */
.grid-cols-16 {
    grid-template-columns: repeat(16, minmax(0, 1fr));
}

.grid-cols-32 {
    grid-template-columns: repeat(32, minmax(0, 1fr));
}

/* Touch target optimization */
.touch-manipulation {
    touch-action: manipulation;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Prevent overscroll bounce on iOS */
.overscroll-none {
    overscroll-behavior: none;
}

/* Mobile responsive breakpoints */
@media (max-width: 767px) {
    /* Larger touch targets on mobile */
    .grid-cols-16 button {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Improved text readability */
    body {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }
    
    /* Better touch response */
    button:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    /* Tablet optimizations */
    .grid-cols-32 {
        grid-template-columns: repeat(24, minmax(0, 1fr));
        gap: 3px;
    }
}

@media (min-width: 1024px) {
    /* Desktop optimizations */
    .grid-cols-32 button {
        min-width: 28px;
        min-height: 28px;
    }
}

/* Audio level indicator animation */
@keyframes audioLevel {
    0%, 100% { height: 20%; }
    50% { height: 80%; }
}

.audio-level-bar {
    animation: audioLevel 0.5s ease-in-out infinite;
}

/* Glow effect for active beats */
.beat-glow {
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.6);
}

/* Backdrop blur support fallback */
@supports not (backdrop-filter: blur(10px)) {
    .backdrop-blur-md {
        background-color: rgba(255, 255, 255, 0.95);
    }
    
    .backdrop-blur-sm {
        background-color: rgba(255, 255, 255, 0.9);
    }
}

/* Dark mode media query */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #1e1b4b 0%, #7c2d92 100%);
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    button {
        border: 2px solid currentColor;
    }
    
    .bg-red-500 {
        background-color: #dc2626 !important;
        border-color: #991b1b !important;
    }
    
    .bg-gray-200 {
        background-color: #f3f4f6 !important;
        border-color: #6b7280 !important;
    }
}

/* Battery optimization - reduce animations when battery is low */
@media (battery: low) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Focus styles for keyboard navigation */
button:focus-visible {
    outline: 2px solid #8b5cf6;
    outline-offset: 2px;
}

input:focus-visible {
    outline: 2px solid #8b5cf6;
    outline-offset: -2px;
}

/* Improved touch feedback */
button:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

/* iOS specific optimizations */
@supports (-webkit-touch-callout: none) {
    input {
        -webkit-appearance: none;
        border-radius: 8px;
    }
    
    button {
        -webkit-appearance: none;
    }
}