* {
	box-sizing: border-box;
	-webkit-box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
	--bg: #f2f1ec;
	--paper: #fffefb;
	--ink: #16181d;
	--ink-soft: #6b6d6a;
	--rule: #d8d5cb;
	--red: #e74645;
	--orange: #fb7756;
	--yellow: #facd60;
	--byellow: #fdfa66;
	--teal: #1ac0c6;
	--teal-deep: #0d7f83;
	--red-deep: #a72d2c;
}

html, body {
	height: 100%;
}

body {
	background: var(--bg);
	background-image: repeating-linear-gradient(180deg, rgba(0,0,0,0.015) 0px, rgba(0,0,0,0.015) 1px, transparent 1px, transparent 34px);
	color: var(--ink);
	font-family: 'Space Mono', monospace;
}

h1, h2, h3 {
	font-family: 'Bricolage Grotesque', sans-serif;
}

header {
	padding: 18px 28px;
	border-bottom: 2px solid var(--ink);
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 16px;
	background: var(--paper);
}

header h1 {
	font-size: 21px;
	font-weight: 700;
	letter-spacing: -0.01em;
}

header h1 span {
	color: var(--teal-deep);
}

.header-stats {
	display: none;
	gap: 20px;
	font-size: 12px;
	color: var(--ink-soft);
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.header-stats.active {
	display: flex;
}

.header-stats b {
	color: var(--ink);
	font-weight: 700;
}

main {
	max-width: 900px;
	margin: 0 auto;
	padding: 32px 24px 60px;
	transition: max-width 0.15s ease;
}

main.wide {
	max-width: 1180px;
}

.step-tag {
	display: inline-block;
	font-size: 10px;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	font-weight: 700;
	color: var(--teal-deep);
	border: 1px solid var(--teal-deep);
	padding: 3px 8px;
	margin-bottom: 16px;
}

.step h2 {
	font-size: 26px;
	margin-bottom: 24px;
	font-weight: 700;
}

.hidden {
	display: none !important;
}

.instructions {
	border: 1px solid var(--rule);
	background: var(--paper);
	padding: 20px 24px;
	margin-bottom: 24px;
}

.instructions p {
	color: var(--ink-soft);
	font-size: 13px;
	margin-bottom: 12px;
}

.instr-steps {
	list-style: none;
	counter-reset: step;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.instr-steps li {
	counter-increment: step;
	font-size: 13px;
	padding: 4px 0 4px 30px;
	position: relative;
}

.instr-steps li::before {
	content: counter(step);
	position: absolute;
	left: 0;
	top: 3px;
	width: 20px;
	height: 20px;
	border: 1px solid var(--ink);
	font-family: 'Bricolage Grotesque', sans-serif;
	font-size: 11px;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
}

.instructions a {
	color: var(--teal-deep);
}

code, kbd {
	background: var(--bg);
	border: 1px solid var(--rule);
	border-radius: 3px;
	padding: 2px 6px;
	font-size: 12px;
	font-family: 'Space Mono', monospace;
}

.query-block {
	margin-top: 16px;
	border: 1px solid var(--ink);
}

.query-block-head {
	background: var(--ink);
	color: var(--paper);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 6px 10px;
	font-size: 10px;
	text-transform: uppercase;
	letter-spacing: 0.1em;
}

.query-block-head button {
	font-family: 'Space Mono', monospace;
	font-size: 10px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	background: transparent;
	color: var(--byellow);
	border: 1px solid var(--byellow);
	padding: 3px 8px;
	cursor: pointer;
}

.query-block-head button:hover {
	background: var(--byellow);
	color: var(--ink);
}

.query-block pre {
	font-family: 'Space Mono', monospace;
	font-size: 11px;
	line-height: 1.6;
	color: var(--ink);
	background: var(--bg);
	padding: 12px;
	overflow-x: auto;
	white-space: pre;
}

.dropzone {
	position: relative;
	border: 2px dashed var(--ink);
	padding: 48px 24px;
	text-align: center;
	cursor: pointer;
	background: var(--paper);
	transition: border-color 0.15s ease, background 0.15s ease;
	-webkit-transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone.dragover {
	border-color: var(--teal-deep);
	background: #eafbfb;
}

.dropzone .primary {
	font-family: 'Bricolage Grotesque', sans-serif;
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 8px;
}

.dropzone .secondary {
	font-size: 12px;
	color: var(--ink-soft);
}

.dropzone input {
	position: absolute;
	inset: 0;
	opacity: 0;
	cursor: pointer;
}

.load-status {
	text-align: center;
	font-size: 12px;
	color: var(--teal-deep);
	margin-top: 14px;
	min-height: 16px;
}

.load-status.error {
	color: var(--red-deep);
}

.progress-shell {
	background: var(--paper);
	border: 1px solid var(--rule);
	padding: 24px;
	margin-bottom: 24px;
}

.progress-bar {
	height: 10px;
	background: var(--bg);
	border: 1px solid var(--rule);
	overflow: hidden;
	margin-bottom: 14px;
}

.progress-fill {
	height: 100%;
	width: 0%;
	background: var(--teal-deep);
	transition: width 0.15s ease;
}

.progress-meta {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 12px;
	color: var(--ink-soft);
}

.live-stats {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 12px;
}

.live-stat {
	background: var(--paper);
	border: 1px solid var(--rule);
	padding: 16px;
	text-align: center;
}

.live-stat b {
	display: block;
	font-size: 26px;
	font-family: 'Bricolage Grotesque', sans-serif;
	font-weight: 800;
}

.live-stat span {
	font-size: 11px;
	color: var(--ink-soft);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.live-stat.pass b { color: var(--teal-deep); }
.live-stat.fail b { color: var(--red-deep); }

.controls-row {
	display: flex;
	gap: 24px;
	flex-wrap: wrap;
	margin-bottom: 8px;
}

.control-check {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	cursor: pointer;
}

.control-check input {
	accent-color: var(--teal-deep);
	width: 15px;
	height: 15px;
	cursor: pointer;
}

.controls-note {
	font-size: 11px;
	color: var(--ink-soft);
	margin-bottom: 8px;
}

.dist-note {
	margin-top: 10px;
	margin-bottom: 0;
}

.action-btn {
	font-family: 'Space Mono', monospace;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	background: transparent;
	color: var(--red-deep);
	border: 1px solid var(--red-deep);
	padding: 8px 14px;
	cursor: pointer;
	-webkit-transition: background 0.15s ease, color 0.15s ease;
	transition: background 0.15s ease, color 0.15s ease;
}

.action-btn:hover:not(:disabled) {
	background: var(--red-deep);
	color: var(--paper);
}

.action-btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.warning-banner {
	border: 1px solid var(--red-deep);
	background: #fbeceb;
	color: var(--red-deep);
	padding: 10px 16px;
	font-size: 12px;
	margin-bottom: 16px;
}

.verdict-banner {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 32px;
	flex-wrap: wrap;
	padding: 4px 0 24px;
}

.stamp {
	border: 3px double currentColor;
	padding: 10px 20px;
	text-align: center;
}

.stamp.rate {
	border-style: dashed;
	border-width: 2px;
}

.stamp .num {
	font-family: 'Bricolage Grotesque', sans-serif;
	font-size: 30px;
	font-weight: 800;
	line-height: 1;
}

.stamp .label {
	font-size: 10px;
	text-transform: uppercase;
	letter-spacing: 0.14em;
	margin-top: 4px;
}

.stamp.pass { color: var(--teal-deep); }
.stamp.fail { color: var(--red-deep); }
.stamp.rate { color: var(--ink); }

.results-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr;
	gap: 16px;
	margin-bottom: 16px;
	align-items: stretch;
}

.results-side {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.results-side .chart-panel {
	margin-bottom: 0;
	flex: 1;
}

.chart-panel {
	background: var(--paper);
	border: 1px solid var(--rule);
	padding: 16px 18px;
	margin-bottom: 16px;
}

.chart-panel h3 {
	font-family: 'Bricolage Grotesque', sans-serif;
	font-size: 13px;
	color: var(--ink);
	margin-bottom: 12px;
	font-weight: 700;
	text-transform: none;
	letter-spacing: 0;
}

.chart-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

.donut-wrap {
	position: relative;
	height: 160px;
}

.bar-wrap {
	position: relative;
	height: 260px;
}

.funnel-wrap {
	position: relative;
	height: 220px;
}

.timeline-wrap {
	position: relative;
	height: 260px;
}

.dist-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 10px;
}

.dist-item {
	border: 1px solid var(--rule);
	padding: 10px;
	text-align: center;
}

.dist-item b {
	display: block;
	font-size: 19px;
	font-family: 'Bricolage Grotesque', sans-serif;
	color: var(--teal-deep);
}

.dist-item span {
	font-size: 10px;
	color: var(--ink-soft);
	text-transform: uppercase;
}

.combo-grid {
	grid-template-columns: 1fr;
}

.combo-grid .dist-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	text-align: left;
	padding: 8px 12px;
}

.combo-grid .dist-item b {
	font-size: 15px;
}

@media (max-width: 720px) {
	.chart-row { grid-template-columns: 1fr; }
	.results-grid { grid-template-columns: 1fr; }
	.live-stats { grid-template-columns: repeat(2, 1fr); }
}

.load-status.error {
	text-align: left;
	white-space: pre-wrap;
	font-size: 11px;
	max-height: 140px;
	overflow-y: auto;
}