:root {
	--bg-color: #0a0a0a;
	--card-bg: #1a1a1a;
	--text-main: #e0e0e0;
	--text-muted: #888;
	--text-dim: #666;
	--accent-blue: #60a5fa;
	--border-color: #333;
	--status-recruiting-bg: #0b4a26;
	--status-recruiting-text: #7bf1a8;
	--status-closed-bg: #82181a;
	--status-closed-text: #ffa2a2;
	--status-unknown-bg: #7e2a0c;
	--status-unknown-text: #ffb86a;
	--transition-speed: 0.4s;
	--font-stack: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --default-jumps: 3;
}

/* Mobile: 2 jumps */
@media (max-width: 600px) {
    :root {
        --default-jumps: 2;
    }
}
html,
body {
	height: 100%;
	min-height: 100vh;
	width: 100%;
	max-width: 100%;
	margin: 0;
	padding: 0;
	overflow-x: hidden;
	background: var(--bg-color);
	color: var(--text-main);
	font-family: var(--font-stack);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	transition: justify-content var(--transition-speed) ease;
	scroll-behavior: smooth;
	font-display: swap;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body.is-searching {
	justify-content: flex-start;
	padding-top: 20px;
}

a {
	color: var(--accent-blue);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

header {
	text-align: center;
	margin-bottom: 30px;
	transition: opacity 0.3s ease, transform 0.3s ease, margin-bottom 0.3s ease;
	opacity: 1;
	transform: translateY(0);
	will-change: opacity, transform;
	backface-visibility: hidden;
	flex-shrink: 0;
}

body.is-searching header {
	opacity: 0;
	transform: translateY(-20px);
	margin-bottom: 0;
	pointer-events: none;
	height: 0;
	overflow: hidden;
}

header h1 {
	margin: 0;
	font-size: 28px;
	font-weight: 700;
}

header p {
	margin: 5px 0 0;
	color: var(--text-muted);
	font-size: 14px;
}

#routeContainer {
	width: 100%;
	max-width: 1400px;
	box-sizing: border-box;
	padding: 0 20px 60px 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
	transition: all var(--transition-speed) ease;
	contain: layout;
}

body.is-searching #routeContainer {
	align-items: center;
}

#settingsToggle {
	position: fixed;
	top: 20px;
	right: 20px;
	background: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 6px 10px;
	font-size: 16px;
	color: var(--text-main);
	cursor: pointer;
	z-index: 1001;
	backdrop-filter: blur(4px);
	transition: background 0.2s;
}

#settingsToggle:hover {
	background: rgba(255, 255, 255, 0.05);
}

/* ensure toggle stays visible even when header is hidden */
body.is-searching #settingsToggle {
	opacity: 1;
	pointer-events: auto;
}


#settingsMenu {
	display: none;
	position: fixed;
	top: 60px;
	right: 20px;
	width: 180px;
	background: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 12px;
	font-size: 12px;
	color: var(--text-main);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
	z-index: 1000;
	will-change: transform, opacity;
	backface-visibility: hidden;
	transform-origin: top right;
	opacity: 0.95;
	transition: opacity 0.2s, transform 0.2s;
	transform: scale(0.95);
}

#settingsMenu.open {
	display: block;
	transform: scale(1);
}


#settingsMenu .setting {
	margin-bottom: 12px;
}

#settingsMenu .setting:last-child {
	margin-bottom: 0;
}

#settingsMenu label {
	display: block;
	font-weight: 600;
	color: var(--text-muted);
	margin-bottom: 6px;
}

.checkbox-label {
	display: flex !important;
	align-items: center;
	gap: 8px;
	cursor: pointer;
	font-weight: 400 !important;
	color: var(--text-main) !important;
	margin-bottom: 0 !important;
}

.checkbox-label input[type="checkbox"] {
	cursor: pointer;
}

.radio-group {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 6px;
}

.radio-group label {
	display: flex;
	align-items: center;
	gap: 4px;
	font-weight: 400;
	cursor: pointer;
	color: var(--text-main);
	margin-bottom: 0;
}

#maxJumpsInput,
#maxDaysInput {
	width: 100%;
	padding: 6px;
	font-size: 12px;
	border: 1px solid #444;
	border-radius: 4px;
	background: #2a2a2a;
	color: var(--text-main);
	box-sizing: border-box;
}

#calcForm {
	width: 100%;
	max-width: 1400px;
	transition: margin-top var(--transition-speed) ease;
	position: relative;
	z-index: 10;
}

#headerSection {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 20px;
	margin-bottom: 20px;
}

.input-group {
	display: flex;
	flex-direction: column;
	gap: 8px;
	position: relative;
	flex: 1;
}

.input-label {
	font-size: 11px;
	color: var(--text-dim);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-weight: 600;
}

.tracker-input {
	padding: 14px 16px;
	background: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	color: var(--text-main);
	font-size: 16px;
	font-family: inherit;
	font-weight: 500;
	transition: border-color 0.2s, box-shadow 0.2s;
	backface-visibility: hidden;
}

.tracker-input:focus {
	outline: none;
	border-color: var(--accent-blue);
	box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15);
}

.tracker-input::placeholder {
	color: #444;
}

.arrow-separator {
	font-size: 24px;
	color: var(--text-dim);
	margin-top: 18px;
	font-weight: 600;
	flex-shrink: 0;
}

#resultsInfo {
	text-align: right;
	font-size: 13px;
	color: var(--text-muted);
	margin-bottom: 10px;
	padding: 0 10px;
	height: 20px;
	opacity: 0;
	transition: opacity 0.3s;
	align-self: flex-end;
	width: 100%;
	max-width: 1400px;
	box-sizing: border-box;
	will-change: opacity;
}

body.has-results #resultsInfo {
	opacity: 1;
}

#routesGrid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 15px;
	width: 100%;
	contain: layout style;
}

.route-card {
	background: var(--card-bg);
	will-change: transform;
	backface-visibility: hidden;
	contain: layout style;
	content-visibility: auto;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 16px;
	transition: transform 0.2s, border-color 0.2s;
	display: flex;
	flex-direction: column;
}

.route-card:hover {
	border-color: #444;
	transform: translateY(-2px);
}

.merged-route-card {
	border-left: 3px solid var(--accent-blue);
}

.route-header {
	font-size: 15px;
	font-weight: 600;
	color: var(--accent-blue);
	margin-bottom: 12px;
	padding-bottom: 8px;
	border-bottom: 1px solid #252525;
	word-break: break-word;
}

.route-summary {
	display: flex;
	justify-content: space-between;
	font-size: 12px;
	color: var(--text-muted);
	margin-bottom: 12px;
	padding-bottom: 8px;
	border-bottom: 1px solid #252525;
}

.merged-sources {
	background: rgba(96, 165, 250, 0.05);
	border: 1px solid rgba(96, 165, 250, 0.2);
	border-radius: 6px;
	padding: 12px;
	margin-bottom: 12px;
}

.merged-sources-header {
	font-size: 11px;
	font-weight: 600;
	color: var(--accent-blue);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: 10px;
}

.merged-source-item {
	background: var(--card-bg);
	border: 1px solid #2a2a2a;
	border-radius: 6px;
	padding: 10px;
	margin-bottom: 8px;
}

.merged-source-item:last-child {
	margin-bottom: 0;
}

.merged-source-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 8px;
	flex-wrap: wrap;
	gap: 6px;
}

.merged-source-name {
	font-weight: 600;
	color: var(--text-main);
	font-size: 13px;
}

.merged-source-meta {
	display: flex;
	align-items: center;
	gap: 6px;
}

.merged-source-details {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.route-step {
	margin-bottom: 12px;
	font-size: 12px;
}

.route-step:last-child {
	margin-bottom: 0;
}

.route-step-header {
	font-weight: 600;
	color: var(--text-main);
	margin-bottom: 8px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 6px;
}

.step-connection {
	display: flex;
	align-items: center;
	gap: 4px;
}

.route-step-days {
	color: var(--accent-blue);
	font-size: 11px;
	background: rgba(96, 165, 250, 0.1);
	padding: 2px 4px;
	border-radius: 4px;
}

.step-meta-right {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 11px;
}

.last-checked {
	color: #777;
	font-weight: 500;
}

.route-step-detail {
	display: flex;
	padding: 4px 0 4px 8px;
	font-size: 11px;
	border-left: 2px solid #2a2a2a;
	margin-left: 4px;
}

.route-step-label {
	width: 100px;
	color: var(--text-dim);
	flex-shrink: 0;
}

.route-step-value {
	flex: 1;
	color: #bbb;
}

.autocomplete-dropdown {
	position: absolute;
	top: 100%;
	left: 0;
	width: 100%;
	background: var(--card-bg);
	border: 1px solid #444;
	border-radius: 8px;
	margin-top: 4px;
	max-height: 300px;
	overflow-y: auto;
	z-index: 1000;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
	scrollbar-width: thin;
	scrollbar-color: #333 var(--card-bg);
}

.autocomplete-dropdown::-webkit-scrollbar {
	width: 8px;
}

.autocomplete-dropdown::-webkit-scrollbar-track {
	background: var(--card-bg);
}

.autocomplete-dropdown::-webkit-scrollbar-thumb {
	background: #333;
	will-change: background;
	border-radius: 4px;
}

.autocomplete-item {
	padding: 10px 15px;
	cursor: pointer;
	font-size: 13px;
	transition: background 0.15s;
}

.autocomplete-item:hover {
	background: #2a2a2a;
	color: var(--accent-blue);
}

mark {
	background: transparent;
	color: var(--accent-blue);
	font-weight: 600;
}

.loading-indicator {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	padding: 12px 20px;
	background: #1a1a1a;
	border: 1px solid #333;
	border-radius: 8px;
	font-size: 14px;
	color: var(--accent-blue);
	z-index: 2000;
	backface-visibility: hidden;
	will-change: transform;
}


.footer-info {
	position: fixed;
	bottom: 15px;
	right: 15px;
	font-size: 12px;
	color: var(--text-dim);
	display: flex;
	gap: 15px;
	background: rgba(0, 0, 0, 0.8);
	padding: 8px 12px;
	border-radius: 6px;
	backdrop-filter: blur(4px);
	z-index: 1001;
}

.status-badge {
	display: inline-block;
	padding: 2px 6px;
	border-radius: 4px;
	font-size: 10px;
	font-weight: 700;
	text-transform: uppercase;
	white-space: nowrap;
}

.status-recruiting {
	color: var(--status-recruiting-text);
	background-color: var(--status-recruiting-bg);
}

.status-closed {
	color: var(--status-closed-text);
	background-color: var(--status-closed-bg);
}

.status-unknown {
	color: var(--status-unknown-text);
	background-color: var(--status-unknown-bg);
}

.tracker-info-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 16px;
	height: 16px;
	cursor: help;
	margin-left: 6px;
	position: relative;
	vertical-align: middle;
	user-select: none;
	flex-shrink: 0;
}

.tracker-info-icon svg {
	width: 100%;
	height: 100%;
	display: block;
}

.tracker-tooltip {
	position: fixed;
	background: #1a1a1a;
	border: 1px solid #444;
	border-radius: 8px;
	padding: 12px 14px;
	min-width: 250px;
	max-width: 350px;
	font-size: 12px;
	font-weight: 400;
	line-height: 1.6;
	color: var(--text-main);
	white-space: normal;
	text-align: left;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.2s;
	z-index: 1001;
	word-break: break-word;
	display: none;
}

.tooltip-line {
	margin-bottom: 4px;
}

.tooltip-line:last-child {
	margin-bottom: 0;
}

.tooltip-line strong {
	color: var(--accent-blue);
}

.tracker-tooltip-arrow {
	position: fixed;
	width: 0;
	height: 0;
	border-left: 6px solid transparent;
	border-right: 6px solid transparent;
	z-index: 1002;
	opacity: 0;
	transition: opacity 0.2s;
}

.color-picker-wrapper {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.color-picker-label {
	font-size: 13px;
	color: #9ca3af;
	font-weight: 500;
}

.color-picker-container {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 8px 12px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 8px;
	transition: all 0.2s ease;
}

.color-picker-container:hover {
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.15);
}

#colorPicker {
	width: 50px;
	height: 32px;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	background: transparent;
	padding: 0;
	overflow: hidden;
}

#colorPicker::-webkit-color-swatch-wrapper {
	padding: 0;
	border-radius: 6px;
}

#colorPicker::-webkit-color-swatch {
	border: 2px solid rgba(255, 255, 255, 0.2);
	border-radius: 6px;
	transition: border-color 0.2s ease;
}

#colorPicker:hover::-webkit-color-swatch {
	border-color: rgba(255, 255, 255, 0.4);
}

#colorPicker::-moz-color-swatch {
	border: 2px solid rgba(255, 255, 255, 0.2);
	border-radius: 6px;
}

.color-value {
	font-family: 'Courier New', monospace;
	font-size: 13px;
	color: #e5e7eb;
	font-weight: 600;
	letter-spacing: 0.5px;
	padding: 4px 8px;
	background: rgba(0, 0, 0, 0.3);
	border-radius: 4px;
	user-select: all;
	cursor: pointer;
	transition: background 0.2s ease;
}

.color-value:hover {
	background: rgba(0, 0, 0, 0.5);
}

.setting {
	margin-bottom: 20px;
}

.setting>label {
	display: block;
	margin-bottom: 10px;
	font-weight: 600;
	color: #e5e7eb;
	font-size: 14px;
}

/* scroll to top button - always visible floating on lower right */
#scrollTopBtn {
	position: fixed;
	bottom: 55px;
	right: 32px;
	width: 48px;
	height: 48px;
	background: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 50%;
	font-size: 24px;
	color: var(--text-main);
	cursor: pointer;
	z-index: 9999;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
	transition: opacity 0.2s, transform 0.2s;
	box-sizing: border-box;
	opacity: 0.7;
	will-change: opacity, transform;
	backface-visibility: hidden;
}

#scrollTopBtn:hover {
	transform: scale(1.1);
}


@media (max-width: 768px) {

	/* general adjustments for narrower viewports */
	body {
		padding: 10px;
		/* allow full-width layout on small screens */
		align-items: stretch;
	}

	#routeContainer {
		padding: 0 10px 40px;
	}

	#headerSection {
		flex-direction: column;
		gap: 10px;
	}

	header h1 {
		font-size: 24px;
	}

	.arrow-separator {
		transform: rotate(90deg);
		margin: 0;
	}

	/* ensure menu still fits in corner on small screens */
	#settingsMenu {
		top: 60px;
		right: 10px;
		width: 80%;
		font-size: 11px;
	}

	#settingsMenu .setting {
		margin-bottom: 15px;
	}

	/* enlarge touch targets inside menu */
	#settingsMenu .setting label,
	#settingsMenu input[type="radio"],
	#settingsMenu input[type="checkbox"],
	#settingsMenu input[type="number"] {
		font-size: 14px;
		padding: 10px 0;
	}

	#settingsMenu {
		padding: 16px;
	}

	#settingsToggle {
		top: 15px;
		right: 15px;
		font-size: 20px;
		padding: 8px 12px;
	}

	/* make inputs and interactive elements bigger */
	.tracker-input,
	#maxJumpsInput,
	#maxDaysInput {
		font-size: 20px;
		padding: 14px 16px;
	}

	.radio-group label {
		font-size: 16px;
		padding: 8px 0;
	}

	.status-badge {
		padding: 4px 8px;
		font-size: 12px;
	}


	#routesGrid {
		grid-template-columns: 1fr;
	}

	.route-card {
		padding: 12px;
		max-width: 100%;
	}

	.route-step-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.step-meta-right {
		width: 100%;
		justify-content: flex-end;
		margin-top: 4px;
	}

	/* inputs a little larger for touch */
	.tracker-input {
		font-size: 18px;
		padding: 12px 14px;
	}

	/* mobile scroll-to-top button styling */
	#scrollTopBtn {
		width: 56px;
		height: 56px;
		font-size: 28px;
		right: 16px;
		opacity: 1;
	}

}
/* custom scrollbar styling */

/* WebKit browsers */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--card-bg);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--accent-blue);
    border-radius: 6px;
    border: 3px solid var(--card-bg);
}

::-webkit-scrollbar-thumb:hover {
    background-color: #4a8cd5;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--card-bg);
}