frontend/src/lib/components/Modal.svelte

<script>
	let { 
		show = false, 
		title = '', 
		size = 'md', 
		onclose = () => {},
		children
	} = $props();

	const sizes = {
		sm: 'max-w-sm',
		md: 'max-w-lg',
		lg: 'max-w-2xl',
		xl: 'max-w-4xl',
		full: 'max-w-6xl'
	};

	function handleBackdrop(e) {
		if (e.target === e.currentTarget) {
			onclose();
		}
	}

	function handleKeydown(e) {
		if (e.key === 'Escape') onclose();
	}
</script>

<svelte:window onkeydown={handleKeydown} />

{#if show}
	<div
		class="fixed inset-0 z-50 flex items-center justify-center bg-black/40 backdrop-blur-sm p-4"
		onclick={handleBackdrop}
		role="dialog"
		aria-modal="true"
	>
		<div class="card w-full {sizes[size]} max-h-[90vh] flex flex-col animate-in">
			{#if title}
				<div class="flex items-center justify-between px-6 py-4 border-b border-gray-200">
					<h2 class="text-lg font-semibold text-gray-800">{title}</h2>
				<button
					onclick={onclose}
					class="text-gray-400 hover:text-gray-700 transition-colors p-2 rounded-lg hover:bg-gray-100"
				>
						<svg class="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
							<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
						</svg>
					</button>
				</div>
			{/if}
			<div class="px-6 py-4 overflow-y-auto flex-1">
				{@render children?.()}
			</div>
		</div>
	</div>
{/if}

<style>
	.animate-in {
		animation: modal-in 0.2s ease-out;
	}
	@keyframes modal-in {
		from {
			opacity: 0;
			transform: scale(0.95) translateY(10px);
		}
		to {
			opacity: 1;
			transform: scale(1) translateY(0);
		}
	}
</style>