/* Base & Selection */
::selection {
    background-color: #1c1917;
    color: #fafaf9;
}

.dark ::selection {
    background-color: #fafaf9;
    color: #1c1917;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #d6d3d1; /* stone-300 */
}

.dark ::-webkit-scrollbar-thumb {
    background: #525252; /* neutral-600 */
}

/* Utilities */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.prompt-card,
.model-card,
.leaderboard-row {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

/* Focus States */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #1c1917;
    outline-offset: 2px;
}

.dark button:focus-visible,
.dark a:focus-visible,
.dark input:focus-visible,
.dark textarea:focus-visible,
.dark select:focus-visible {
    outline-color: #fafaf9;
}

/* Prose Overrides for Markdown */
.prose {
    --tw-prose-body: #57534e;
    --tw-prose-headings: #1c1917;
    --tw-prose-links: #1c1917;
    --tw-prose-code: #1c1917;
    --tw-prose-pre-bg: #f5f5f4;
    font-family: 'Inter', system-ui, sans-serif;
}

.dark .prose {
    --tw-prose-body: #a3a3a3;
    --tw-prose-headings: #fafaf9;
    --tw-prose-links: #fafaf9;
    --tw-prose-code: #fafaf9;
    --tw-prose-pre-bg: #262626;
}

.prose pre {
    border: 1px solid #e7e5e4;
    background: #fafaf9;
}

.dark .prose pre {
    border-color: #404040;
    background: #171717;
}

.prose code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
}

/* Form Elements */
select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Smooth transitions for theme */
body, .prompt-card, .model-card, .leaderboard-row, article, header, footer, main, div {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .prompt-card,
    .model-card,
    .leaderboard-row {
        animation: none;
        opacity: 1;
    }
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}