/* ===== Hide Scrollbar while keeping scroll functionality ===== */

/* For Chrome, Safari, Edge */
::-webkit-scrollbar {
	width: 0px;
	height: 0px;
}

/* For Firefox */
html {
	scrollbar-width: none;
	/* Hide scrollbar */
	-ms-overflow-style: none;
	/* IE and Edge Legacy */
}

/* For all elements if needed */
body {
	overflow-y: scroll;
	/* ensures scrolling still works */
}

body::-webkit-scrollbar {
	display: none;
	/* Safari/Chrome specific */
}


:root {
	--bg: #0b0f14;
	--card: #141a23;
	--text: #e6eef8;
	--muted: #9ca3af;
	--purple: #9b5cf9;
	--orange: #ff6b4b;
	--cyan: #32b7ff;
	--cyan-light: #7fd8ff;
}

body {
	background: var(--bg);
	color: var(--text);
	font-family: "Inter", sans-serif;
	margin: 0;
	padding: 30px;
	overflow-y: scroll;
}

::-webkit-scrollbar {
	width: 0;
	height: 0;
}

html {
	scrollbar-width: none;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.books-link {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #e6eef8;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.books-link:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

header h1 {
	color: var(--purple);
	margin: 0;
}

header p {
	color: var(--muted);
	margin: 0;
	font-size: 14px;
}

.container {
	max-width: 1180px;
	margin: 0 auto;
}

.row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
	margin-bottom: 30px;
}

.card {
	background: var(--card);
	border-radius: 12px;
	padding: 18px;
	border: 1px solid rgba(255, 255, 255, 0.05);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
}

.card.pw {
	border-left: 4px solid var(--purple);
	max-height: 40vh;
	overflow-y: auto;
}

.card.allen {
	border-left: 4px solid var(--orange);
	max-height: 40vh;
	overflow-y: auto;
}

.card.aakash {
	border-left: 4px solid var(--cyan);
	max-height: 40vh;
	overflow-y: auto;
}

.title {
	font-size: 18px;
	font-weight: 700;
	margin-bottom: 4px;
}

small {
	color: var(--muted);
	font-size: 12px;
}

.input-group {
	display: flex;
	gap: 8px;
	margin-top: 10px;
}

select,
input[type="number"] {
	background: #0d141b;
	border: 1px solid rgba(255, 255, 255, 0.07);
	color: var(--text);
	padding: 8px;
	border-radius: 8px;
	font-size: 14px;
	width: 100%;
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

input[type=number] {
	-moz-appearance: textfield;
}

.option-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin: 10px 0;
}

.btn {
	border: none;
	border-radius: 8px;
	padding: 8px 14px;
	cursor: pointer;
	font-weight: 600;
	color: #fff;
}

.btn.pw {
	background: var(--purple);
}

.btn.allen {
	background: var(--orange);
}

.btn.aakash {
	background: var(--cyan);
}

.marks-list {
	list-style: none;
	padding: 0;
	margin: 0;
	margin-top: 6px;
}

.marks-list li {
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: #1a2029;
	border-radius: 8px;
	padding: 8px 10px;
	margin-bottom: 6px;
	position: relative;
}

.marks-list li:hover .reorder-btns {
	opacity: 1;
	pointer-events: all;
}

.marks-list li.dragging {
	opacity: 0.5;
	border: 1px dashed #666;
}

.mark-type {
	color: var(--muted);
	font-size: 12px;
	margin-left: 5px;
}

.mark-absent {
	color: #808b99;
	font-style: italic;
}

.mark-actions button {
	background: transparent;
	border: none;
	color: #ccc;
	cursor: pointer;
	font-size: 15px;
	margin-left: 6px;
}

.mark-actions button:hover {
	opacity: 0.8;
}

.reorder-btns {
	position: absolute;
	right: 35px;
	display: flex;
	flex-direction: column;
	gap: 4px;
	opacity: 0;
	transition: opacity 0.2s;
	pointer-events: none;
}

.reorder-btns button {
	background: none;
	border: none;
	color: #ccc;
	cursor: pointer;
	font-size: 12px;
	padding: 2px;
}

.reorder-btns button:hover {
	color: #fff;
}

.avg {
	color: var(--muted);
	font-size: 13px;
	margin-top: 6px;
}

.chart-card {
	background: var(--card);
	border: 1px solid rgba(255, 255, 255, 0.05);
	border-radius: 12px;
	padding: 18px;
}

.chart-title {
	color: var(--text);
	font-weight: 700;
	margin-bottom: 6px;
}

.chart-filter {
	margin-bottom: 10px;
	color: var(--text);
	font-size: 14px;
}

.chart-filter select {
	background: #0d141b;
	color: var(--text);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 6px;
	padding: 4px 8px;
	margin-left: 6px;
}


.chart-wrap {
	height: 360px;
}

.reset-btn {
	background: #1f2937;
	border: none;
	color: #ffb4b4;
	padding: 8px 14px;
	border-radius: 8px;
	cursor: pointer;
	margin-top: 10px;
}

.reset-btn:hover {
	background: #111318;
}

#comparisonSection {
	margin: 40px auto;
	padding: 20px;
	max-width: 800px;
	background: #141a23;
	border-radius: 12px;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#comparisonSection h2 {
	text-align: center;
	margin-bottom: 20px;
}

#comparisonTable {
	width: 100%;
	border-collapse: collapse;
	margin-bottom: 30px;
}

#comparisonTable th,
#comparisonTable td {
	border: 1px solid #1f2937;
	padding: 10px;
	text-align: center;
}

#comparisonTable th {
	background: #141a23;
}

.controls {
	text-align: center;
	margin-bottom: 15px;
}

#comparisonChart {
	width: 100%;
	height: 400px;
}


@media (max-width: 900px) {
	.row {
		grid-template-columns: 1fr;
	}

	.chart-wrap {
		height: 300px;
	}
}