/* Custom CSS Variables and Styles */
:root {
    --font-size: 16px;
}

html {
    font-size: var(--font-size);
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
}

/* Container styles */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .container {
        max-width: 1536px;
    }
}

/* Animation for dialog */
#signInDialog {
    animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Smooth transitions */
a, button {
    transition: all 0.2s ease-in-out;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}