* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}


.bg-grid-pattern {
    background-image: radial-gradient(rgba(0, 151, 167, 0.15) 1px, transparent 1px);
    background-size: 28px 28px;
}

.dark .bg-grid-pattern {
    background-image: radial-gradient(rgba(0, 151, 167, 0.22) 1px, transparent 1px);
}


.glass-card {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.8);
}


.dark .glass-card {
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(51, 65, 85, 0.7);
}


.glow-effect {
    box-shadow: 0 20px 50px -10px rgba(0, 151, 167, 0.15);
}


.dark .glow-effect {
    box-shadow: 0 20px 60px -10px rgba(0, 151, 167, 0.28);
}


@keyframes pulse-ring {
    0% {
        transform: scale(0.95);
        opacity: 0.75;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.5;
    }
    100% {
        transform: scale(0.95);
        opacity: 0.75;
    }
}


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}


.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}


*:focus-visible {
    outline: 2px solid #0097a7;
    outline-offset: 2px;
}


button:focus-visible,
a:focus-visible {
    outline: 2px solid #0097a7;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 151, 167, 0.2);
}


@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


@media (max-width: 640px) {
    .glass-card {
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
}



@media print {
    #theme-toggle, .bg-grid-pattern, .glow-effect {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
}