@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

body {
	font-family: 'Inter', Arial, sans-serif;
	background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
	margin: 0;
	padding: 0;
	color: #232946;
	min-height: 100vh;
	position: relative;
	overflow-x: hidden;
	box-sizing: border-box;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

*, *::before, *::after {
	box-sizing: border-box;
}

/* --- Glassmorphism Floating Shapes --- */
.bg-shape {
	position: absolute;
	z-index: 0;
	border-radius: 50%;
	filter: blur(32px);
	opacity: 0.25;
	pointer-events: none;
}
.bg-shape1 {
	width: 320px; height: 320px;
	background: linear-gradient(135deg, #6c63ff 60%, #48c6ef 100%);
	top: -80px; left: -100px;
}
.bg-shape2 {
	width: 220px; height: 220px;
	background: linear-gradient(135deg, #48c6ef 60%, #6c63ff 100%);
	bottom: 60px; right: -80px;
}

/* --- Glassmorphism Card Styles --- */
.card, .tip, .predictor, .formula, #trendChart {
	background: rgba(255,255,255,0.25);
	box-shadow: 0 8px 32px rgba(108,99,255,0.10), 0 1.5px 8px rgba(72,198,239,0.08);
	backdrop-filter: blur(16px) saturate(160%);
	-webkit-backdrop-filter: blur(16px) saturate(160%);
	border: 1.5px solid rgba(108,99,255,0.13);
}

.card {
	max-width: 950px;
	margin: 36px auto 0 auto;
	padding: 36px 48px 48px 48px;
	border-radius: 22px;
	position: relative;
	z-index: 1;
}

h1 {
	text-align: center;
	margin-top: 36px;
	font-size: 2.5em;
	font-weight: 700;
	letter-spacing: 1.5px;
	color: #6c63ff;
	text-shadow: 0 2px 12px #e0e7ff;
	word-wrap: break-word;
	overflow-wrap: break-word;
}

table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	margin-bottom: 32px;
	background: transparent;
	display: block;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

th, td {
	padding: 14px 10px;
	text-align: center;
	border-bottom: 1.5px solid #e0e7ff;
	font-size: 1.08em;
}

th {
	background: #f3f4ff;
	font-weight: 700;
	letter-spacing: 1.2px;
	color: #6c63ff;
	border-top-left-radius: 10px;
	border-top-right-radius: 10px;
}

tr:last-child td {
	border-bottom: none;
}


input[type="text"], input[type="number"], input {
	width: 100px;
	padding: 10px 8px;
	border: 1.5px solid rgba(108,99,255,0.13);
	border-radius: 10px;
	font-size: 1.08em;
	background: rgba(255,255,255,0.35);
	color: #232946;
	box-shadow: 0 2px 8px rgba(108,99,255,0.08);
	backdrop-filter: blur(8px) saturate(160%);
	-webkit-backdrop-filter: blur(8px) saturate(160%);
	transition: border 0.2s, box-shadow 0.2s, background 0.2s;
	min-height: 44px;
	-webkit-appearance: none;
	appearance: none;
}

input:focus {
	border: 2px solid #6c63ff;
	outline: none;
	box-shadow: 0 0 0 3px #e0e7ff;
	background: #fff;
}

button {
	background: linear-gradient(90deg, #6c63ff 0%, #48c6ef 100%);
	color: #fff;
	border: none;
	border-radius: 10px;
	padding: 14px 36px;
	font-size: 1.13em;
	font-weight: 600;
	margin: 12px 10px 12px 0;
	cursor: pointer;
	box-shadow: 0 2px 12px rgba(108,99,255,0.10);
	transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
	letter-spacing: 0.5px;
	min-height: 44px;
	min-width: 44px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	-webkit-appearance: none;
	appearance: none;
	touch-action: manipulation;
}

button:hover, button:focus {
	background: linear-gradient(90deg, #48c6ef 0%, #6c63ff 100%);
	transform: translateY(-2px) scale(1.04);
	box-shadow: 0 4px 18px rgba(72,198,239,0.13);
}

.tip {
	color: #4b4b6b;
	border-left: 6px solid #6c63ff;
	padding: 16px 24px;
	margin: 22px auto 0 auto;
	max-width: 950px;
	border-radius: 0 16px 16px 0;
	font-size: 1.13em;
	box-shadow: 0 1px 8px rgba(108,99,255,0.04);
	position: relative;
	z-index: 1;
}

.predictor {
	border-radius: 14px;
	padding: 22px 28px 14px 28px;
	margin: 32px 0 22px 0;
	box-shadow: 0 2px 12px rgba(72,198,239,0.08);
	position: relative;
	z-index: 1;
}

.predictor h3 {
	margin-top: 0;
	color: #6c63ff;
	font-size: 1.18em;
	letter-spacing: 1.1px;
	font-weight: 700;
}

.formula {
	border-radius: 14px;
	max-width: 950px;
	margin: 36px auto 0 auto;
	padding: 22px 36px 22px 36px;
	box-shadow: 0 2px 12px rgba(108,99,255,0.06);
	font-size: 1.13em;
	position: relative;
	z-index: 1;
}

.formula h3 {
	color: #6c63ff;
	margin-top: 0;
	font-weight: 700;
}

#result, #prediction {
	margin: 22px 0 0 0;
	font-size: 1.18em;
	font-weight: 600;
	color: #232946;
	letter-spacing: 0.2px;
}

.chart-container {
	background: rgba(255,255,255,0.25);
	box-shadow: 0 8px 32px rgba(108,99,255,0.10), 0 1.5px 8px rgba(72,198,239,0.08);
	backdrop-filter: blur(16px) saturate(160%);
	-webkit-backdrop-filter: blur(16px) saturate(160%);
	border: 1.5px solid rgba(108,99,255,0.13);
	max-width: 950px;
	margin: 36px auto 0 auto;
	padding: 32px 48px;
	border-radius: 22px;
	position: relative;
	z-index: 1;
}

.chart-container h2 {
	color: #6c63ff;
	font-size: 1.3em;
	font-weight: 700;
	letter-spacing: 0.8px;
	margin-top: 0;
	margin-bottom: 24px;
}

#trendChart {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 14px;
	background: rgba(255,255,255,0.5);
	padding: 8px;
	box-sizing: border-box;
}
/* --- Footer --- */
.footer {
	width: 100%;
	max-width: 100%;
	background: rgba(255,255,255,0.25);
	backdrop-filter: blur(10px) saturate(160%);
	-webkit-backdrop-filter: blur(10px) saturate(160%);
	border-top: 1.5px solid rgba(108,99,255,0.13);
	color: #6c63ff;
	text-align: center;
	font-size: 1.08em;
	font-weight: 600;
	padding: 18px 16px 14px 16px;
	margin-top: 48px;
	position: relative;
	z-index: 2;
	box-sizing: border-box;
	overflow-x: hidden;
}
.footer a {
	color: #48c6ef;
	text-decoration: none;
	font-weight: 700;
	margin-left: 8px;
	transition: color 0.2s;
}
.footer a:hover {
	color: #6c63ff;
	text-decoration: underline;
}

/* --- TABLET DEVICES (768px - 1024px) --- */
@media (max-width: 1024px) {
	.card, .formula, .tip, .chart-container {
		max-width: 95vw;
		padding: 24px 32px;
		margin-left: auto;
		margin-right: auto;
	}
	
	h1 {
		font-size: 2em;
	}
	
	table {
		font-size: 0.98em;
	}
	
	th, td {
		padding: 12px 8px;
	}
	
	input {
		width: 80px;
		padding: 8px 6px;
		font-size: 0.98em;
	}
	
	button {
		padding: 12px 24px;
		font-size: 1em;
		margin: 10px 8px 10px 0;
	}
	
	.chart-container {
		padding: 24px 32px;
	}
	
	.bg-shape1 {
		width: 240px; height: 240px;
		top: -60px; left: -60px;
	}
	
	.bg-shape2 {
		width: 160px; height: 160px;
		bottom: 40px; right: -40px;
	}
}

/* --- SMALL TABLETS & LARGE PHONES (600px - 768px) --- */
@media (max-width: 768px) {
	body {
		padding: 0;
	}
	
	.card, .formula, .tip, .chart-container {
		max-width: 95vw;
		padding: 16px 20px;
		margin-left: auto;
		margin-right: auto;
		border-radius: 14px;
	}
	
	.card {
		margin: 24px auto 0 auto;
	}
	
	h1 {
		font-size: 1.8em;
		margin-top: 24px;
		letter-spacing: 0.8px;
	}
	
	header p {
		font-size: 0.95em;
	}
	
	table {
		font-size: 0.92em;
		margin-bottom: 24px;
	}
	
	th, td {
		padding: 10px 6px;
		font-size: 0.9em;
	}
	
	input {
		width: 65px;
		padding: 8px 5px;
		font-size: 0.9em;
	}
	
	button {
		padding: 10px 16px;
		font-size: 0.95em;
		margin: 8px 6px 8px 0;
	}
	
	.predictor {
		padding: 16px 16px 8px 16px;
		margin: 20px 0 16px 0;
	}
	
	.predictor h3 {
		font-size: 1.05em;
		margin-bottom: 12px;
	}
	
	.formula {
		padding: 16px 16px;
		margin: 24px auto 0 auto;
	}
	
	.formula h3 {
		font-size: 1.05em;
	}
	
	.chart-container {
		padding: 16px 16px;
		margin: 24px auto 0 auto;
	}
	
	.chart-container h2 {
		font-size: 1.15em;
		margin-bottom: 16px;
	}
	
	#trendChart {
		padding: 6px;
	}
	
	.tip {
		padding: 12px 16px;
		margin: 16px auto 0 auto;
		font-size: 0.98em;
		border-left-width: 4px;
	}
	
	.footer {
		width: 100%;
		font-size: 0.95em;
		padding: 14px 16px;
		margin-top: 32px;
	}
	
	.bg-shape1 {
		width: 160px; height: 160px;
		top: -40px; left: -40px;
	}
	
	.bg-shape2 {
		width: 100px; height: 100px;
		bottom: 20px; right: -20px;
	}
}

/* --- PHONES (max-width 599px) --- */
@media (max-width: 599px) {
	body {
		padding: 0;
		background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
	}
	
	.card, .formula, .tip, .chart-container {
		max-width: 100%;
		width: 100vw;
		padding: 12px 16px;
		margin: 0;
		border-radius: 0;
		box-sizing: border-box;
	}
	
	.card {
		margin: 16px 0 0 0;
	}
	
	.card:first-of-type {
		margin-top: 12px;
	}
	
	main {
		padding: 0;
	}
	
	h1 {
		font-size: 1.4em;
		margin-top: 20px;
		margin-bottom: 8px;
		letter-spacing: 0.5px;
	}
	
	header p {
		font-size: 0.85em;
		margin-top: -6px;
	}
	
	h2 {
		font-size: 1.15em;
	}
	
	table {
		font-size: 0.8em;
		margin-bottom: 16px;
		border-spacing: 0;
	}
	
	th, td {
		padding: 8px 4px;
		font-size: 0.8em;
		border-bottom: 1px solid #e0e7ff;
	}
	
	th {
		background: #f3f4ff;
	}
	
	input {
		width: 55px;
		padding: 6px 4px;
		font-size: 0.8em;
	}
	
	input:focus {
		box-shadow: 0 0 0 2px #e0e7ff;
	}
	
	button {
		padding: 8px 12px;
		font-size: 0.85em;
		margin: 6px 0 6px 0;
		border-radius: 8px;
		width: 100%;
		display: block;
	}
	
	button:hover, button:focus {
		transform: translateY(-1px) scale(1.02);
	}
	
	.predictor {
		padding: 12px 12px 6px 12px;
		margin: 16px 0 12px 0;
		border-radius: 10px;
	}
	
	.predictor h3 {
		font-size: 1em;
		margin-bottom: 8px;
		margin-top: 0;
	}
	
	.predictor input {
		width: 60px;
		margin: 4px 2px;
	}
	
	.formula {
		padding: 12px 12px;
		margin: 16px 0 0 0;
		border-radius: 10px;
	}
	
	.formula h3 {
		font-size: 1em;
		margin-bottom: 0;
	}
	
	.formula p {
		font-size: 0.9em;
		margin: 8px 0;
	}
	
	#result, #prediction {
		font-size: 1em;
		margin: 8px 0 0 0;
	}
	
	.chart-container {
		padding: 12px 12px;
		margin: 16px 0 0 0;
		border-radius: 10px;
	}
	
	.chart-container h2 {
		font-size: 1.1em;
		margin: 0 0 16px 0;
	}
	
	#trendChart {
		padding: 4px;
		min-height: 250px;
	}
	
	.tip {
		padding: 10px 12px;
		margin: 12px 0 0 0;
		font-size: 0.85em;
		border-left-width: 3px;
		border-radius: 0 8px 8px 0;
	}
	
	.footer {
		width: 100%;
		font-size: 0.8em;
		padding: 12px 16px;
		margin-top: 24px;
		border-radius: 0;
	}
	
	.footer a {
		margin-left: 4px;
	}
	
	ul {
		margin: 8px 0;
		padding-left: 20px;
		font-size: 0.9em;
	}
	
	ul li {
		margin-bottom: 4px;
	}
	
	.bg-shape1 {
		width: 120px; height: 120px;
		top: -30px; left: -30px;
	}
	
	.bg-shape2 {
		width: 80px; height: 80px;
		bottom: 10px; right: -10px;
	}
}


::-webkit-scrollbar {
	width: 10px;
	background: #e0e7ff;
	border-radius: 8px;
}
::-webkit-scrollbar-thumb {
	background: #b3baff;
	border-radius: 8px;
}