@import "tailwindcss";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

@theme inline {
	--color-background: var(--background);
	--color-foreground: var(--foreground);
	--font-sans: var(--font-geist-sans);
	--font-mono: var(--font-geist-mono);
	--font-serif: Georgia, Cambria, "Times New Roman", serif;
	--color-sidebar-ring: var(--sidebar-ring);
	--color-sidebar-border: var(--sidebar-border);
	--color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
	--color-sidebar-accent: var(--sidebar-accent);
	--color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
	--color-sidebar-primary: var(--sidebar-primary);
	--color-sidebar-foreground: var(--sidebar-foreground);
	--color-sidebar: var(--sidebar);
	--color-chart-5: var(--chart-5);
	--color-chart-4: var(--chart-4);
	--color-chart-3: var(--chart-3);
	--color-chart-2: var(--chart-2);
	--color-chart-1: var(--chart-1);
	--color-ring: var(--ring);
	--color-input: var(--input);
	--color-border: var(--border);
	--color-destructive: var(--destructive);
	--color-accent-foreground: var(--accent-foreground);
	--color-accent: var(--accent);
	--color-muted-foreground: var(--muted-foreground);
	--color-muted: var(--muted);
	--color-secondary-foreground: var(--secondary-foreground);
	--color-secondary: var(--secondary);
	--color-primary-foreground: var(--primary-foreground);
	--color-primary: var(--primary);
	--color-popover-foreground: var(--popover-foreground);
	--color-popover: var(--popover);
	--color-card-foreground: var(--card-foreground);
	--color-card: var(--card);
	--radius-sm: calc(var(--radius) - 4px);
	--radius-md: calc(var(--radius) - 2px);
	--radius-lg: var(--radius);
	--radius-xl: calc(var(--radius) + 4px);
	--radius-2xl: calc(var(--radius) + 8px);
	--radius-3xl: calc(var(--radius) + 12px);
	--radius-4xl: calc(var(--radius) + 16px);
}

/* Research Paper Theme - Light tan/offwhite with dark charcoal */
:root {
	--radius: 0.375rem;
	/* Warm offwhite/cream background */
	--background: oklch(0.965 0.015 85);
	/* Dark charcoal text */
	--foreground: oklch(0.25 0 0);
	/* Slightly lighter cream for cards */
	--card: oklch(0.98 0.01 85);
	--card-foreground: oklch(0.25 0 0);
	--popover: oklch(0.98 0.01 85);
	--popover-foreground: oklch(0.25 0 0);
	/* Near-black for emphasis */
	--primary: oklch(0.3 0 0);
	--primary-foreground: oklch(0.965 0.015 85);
	/* Subtle tan for secondary */
	--secondary: oklch(0.92 0.012 85);
	--secondary-foreground: oklch(0.3 0 0);
	/* Muted tan for borders and backgrounds */
	--muted: oklch(0.92 0.012 85);
	--muted-foreground: oklch(0.45 0 0);
	/* Warm accent for hovers */
	--accent: oklch(0.9 0.025 85);
	--accent-foreground: oklch(0.25 0 0);
	/* Destructive - muted red */
	--destructive: oklch(0.577 0.2 25);
	/* Subtle warm borders */
	--border: oklch(0.88 0.015 85);
	--input: oklch(0.88 0.015 85);
	--ring: oklch(0.3 0 0);
	/* Chart colors - warm academic tones */
	--chart-1: oklch(0.5 0.12 45);
	--chart-2: oklch(0.55 0.1 180);
	--chart-3: oklch(0.45 0.08 220);
	--chart-4: oklch(0.65 0.15 85);
	--chart-5: oklch(0.6 0.14 70);
	/* Sidebar */
	--sidebar: oklch(0.96 0.012 85);
	--sidebar-foreground: oklch(0.25 0 0);
	--sidebar-primary: oklch(0.3 0 0);
	--sidebar-primary-foreground: oklch(0.965 0.015 85);
	--sidebar-accent: oklch(0.92 0.012 85);
	--sidebar-accent-foreground: oklch(0.3 0 0);
	--sidebar-border: oklch(0.88 0.015 85);
	--sidebar-ring: oklch(0.5 0 0);
}

/* Dark mode - inverted but still warm */
.dark {
	--background: oklch(0.18 0.01 85);
	--foreground: oklch(0.92 0.01 85);
	--card: oklch(0.22 0.01 85);
	--card-foreground: oklch(0.92 0.01 85);
	--popover: oklch(0.22 0.01 85);
	--popover-foreground: oklch(0.92 0.01 85);
	--primary: oklch(0.92 0.01 85);
	--primary-foreground: oklch(0.22 0.01 85);
	--secondary: oklch(0.28 0.01 85);
	--secondary-foreground: oklch(0.92 0.01 85);
	--muted: oklch(0.28 0.01 85);
	--muted-foreground: oklch(0.65 0.01 85);
	--accent: oklch(0.28 0.01 85);
	--accent-foreground: oklch(0.92 0.01 85);
	--destructive: oklch(0.65 0.18 22);
	--border: oklch(0.92 0.01 85 / 12%);
	--input: oklch(0.92 0.01 85 / 15%);
	--ring: oklch(0.6 0 0);
	--chart-1: oklch(0.55 0.2 260);
	--chart-2: oklch(0.65 0.15 160);
	--chart-3: oklch(0.7 0.16 70);
	--chart-4: oklch(0.6 0.22 300);
	--chart-5: oklch(0.6 0.2 20);
	--sidebar: oklch(0.22 0.01 85);
	--sidebar-foreground: oklch(0.92 0.01 85);
	--sidebar-primary: oklch(0.55 0.2 260);
	--sidebar-primary-foreground: oklch(0.92 0.01 85);
	--sidebar-accent: oklch(0.28 0.01 85);
	--sidebar-accent-foreground: oklch(0.92 0.01 85);
	--sidebar-border: oklch(0.92 0.01 85 / 12%);
	--sidebar-ring: oklch(0.6 0 0);
}

@layer base {
	* {
		@apply border-border outline-ring/50;
	}
	body {
		@apply bg-background text-foreground antialiased;
		font-feature-settings:
			"kern" 1,
			"liga" 1;
	}

	/* Research paper typography */
	h1,
	h2,
	h3,
	h4,
	h5,
	h6 {
		font-family: var(--font-serif);
		@apply tracking-tight;
	}

	p {
		@apply leading-relaxed;
	}

	/* Lists */
	ol {
		@apply list-decimal list-outside my-4 space-y-2 pl-6;
	}

	ul {
		@apply list-disc list-outside my-4 space-y-2 pl-6;
	}

	li {
		@apply leading-relaxed;
	}

	/* Slightly larger base font for readability */
	html {
		font-size: 17px;
	}
}

/* Sidebar highlight animation */
@keyframes sidebar-highlight {
	0%,
	100% {
		background-color: transparent;
	}
	25% {
		background-color: hsl(var(--accent));
	}
}

.sidebar-highlight {
	animation: sidebar-highlight 1.5s ease-out;
}