:root {
	--bg-color-dark: #0f172a;
	--card-bg-dark: #1e293b;
	--text-color-dark: #f8fafc;
	--subtitle-color-dark: #94a3b8;

	--bg-color-light: #f1f5f9;
	--card-bg-light: #ffffff;
	--text-color-light: #0f172a;
	--subtitle-color-light: #475569;

	--primary-color: #3b82f6;
	--accent-color: #ef4444; /* For Powerball */
	--ball-size: 60px;
	--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	font-family: 'Inter', system-ui, -apple-system, sans-serif;
	transition: background-color 0.3s ease, color 0.3s ease;
}

body {
	background-color: var(--bg-color-dark);
	color: var(--text-color-dark);
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	overflow: hidden;
}

body.light-mode {
	background-color: var(--bg-color-light);
	color: var(--text-color-light);
}

.container {
	background-color: var(--card-bg-dark);
	padding: 3rem;
	border-radius: 20px;
	box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
	text-align: center;
	max-width: 90%;
	width: 600px;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .container {
	background-color: var(--card-bg-light);
	border: 1px solid #e2e8f0;
}

.header {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	margin-bottom: 0.5rem;
}

.theme-switcher {
	position: absolute;
	top: 50%;
	right: 0;
	transform: translateY(-50%);
	cursor: pointer;
	font-size: 1.5rem;
	user-select: none;
}

h1 {
	font-size: 2.5rem;
	background: linear-gradient(to right, #60a5fa, #a855f7);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	font-weight: 800;
}

p.subtitle {
	color: var(--subtitle-color-dark);
	margin-bottom: 2rem;
}

body.light-mode p.subtitle {
	color: var(--subtitle-color-light);
}

.numbers-container {
	display: flex;
	justify-content: center;
	gap: 15px;
	margin-bottom: 2.5rem;
	flex-wrap: wrap;
	min-height: var(--ball-size); /* Reserve space */
}

.ball {
	width: var(--ball-size);
	height: var(--ball-size);
	border-radius: 50%;
	background: radial-gradient(circle at 30% 30%, #ffffff, #e2e8f0);
	color: #0f172a;
	display: flex;
	justify-content: center;
	align-items: center;
	font-weight: 700;
	font-size: 1.25rem;
	box-shadow: inset -5px -5px 10px rgba(0, 0, 0, 0.2),
		inset 5px 5px 10px rgba(255, 255, 255, 0.5), 0 10px 15px rgba(0, 0, 0, 0.3);
	position: relative;
	transform: scale(0); /* Start hidden for animation */
	animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.ball.powerball {
	background: radial-gradient(circle at 30% 30%, #ef4444, #b91c1c);
	color: white;
}

.btn {
	background: linear-gradient(135deg, #3b82f6, #2563eb);
	color: white;
	border: none;
	padding: 1rem 2.5rem;
	font-size: 1.1rem;
	border-radius: 50px;
	cursor: pointer;
	font-weight: 600;
	transition: transform 0.2s, box-shadow 0.2s;
	box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn:active {
	transform: translateY(1px);
}

.btn:disabled {
	opacity: 0.7;
	cursor: not-allowed;
	transform: none;
}

/* Animations */
@keyframes popIn {
	0% {
		transform: scale(0) translateY(20px);
		opacity: 0;
	}
	100% {
		transform: scale(1) translateY(0);
		opacity: 1;
	}
}

/* Shine effect on balls */
.ball::after {
	content: '';
	position: absolute;
	top: 10%;
	left: 15%;
	width: 25%;
	height: 15%;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.8);
	filter: blur(1px);
}