* { box-sizing: border-box; }

html, body {
	margin: 0;
	height: 100%;
	background: #05060a;
	color: #cfd6e6;
	font: 13px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
	overflow: hidden;
}

a { color: #9fb4ff; }

#container { position: fixed; inset: 0; }

#progress {
	--p: 0;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient( 90deg, #6f8cff, #ffc98a );
	box-shadow: 0 0 8px rgba( 255, 201, 138, .6 );
	transform: scaleX( var( --p ) );
	transform-origin: left;
	opacity: 0;
	pointer-events: none;
	transition: transform .25s ease-out, opacity .4s;
}

#progress.reset { transition: none; }
#progress.active { opacity: 1; }
#progress.done { opacity: 0; transition: transform .25s ease-out, opacity .6s .4s; }
#progress.error { opacity: 1; background: #ff8a8a; box-shadow: none; }

#panel {
	position: fixed;
	top: 16px;
	left: 16px;
	max-width: min(420px, calc(100vw - 32px));
	pointer-events: none;
}

#panel > * { pointer-events: auto; }

h1 {
	margin: 0;
	font-weight: 300;
	font-size: 28px;
	letter-spacing: .04em;
	color: #fff;
}

.sub { margin: 4px 0 12px; opacity: .6; }

#search { display: flex; gap: 6px; }

#panel input, #panel button {
	font: inherit;
	color: inherit;
	background: rgba(255, 255, 255, .06);
	border: 1px solid rgba(255, 255, 255, .15);
	border-radius: 6px;
	padding: 6px 10px;
}

#panel input[type=text] { flex: 1; min-width: 0; }
#panel button { cursor: pointer; }
#panel button:hover { background: rgba(255, 255, 255, .12); }

#cities {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 12px;
	list-style: none;
	padding: 0;
	margin: 10px 0 0;
}

#cities a { color: #cfd6e6; opacity: .55; text-decoration: none; cursor: pointer; }
#cities a:hover, #cities a.active { opacity: 1; color: #ffc98a; }

#controls {
	position: fixed;
	left: 16px;
	bottom: 36px;
	right: 16px;
	pointer-events: none;
}

#gui-container {
	position: fixed;
	top: 12px;
	right: 12px;
	width: 340px;
	max-width: calc(100vw - 24px);
}

#gui-container .gui {
	--gui-bg: #0e1119;
	--gui-fg: #d6dceb;
	--gui-muted: #7d8699;
	--gui-field-bg: #171b26;
	--gui-border: #2a3142;
	--gui-focus: #ffc98a;
	--gui-accent: #ffc98a;
	--gui-btn-bg: #1f2533;
	--gui-btn-hover: #283044;
	--gui-btn-active: #141824;
	--gui-track: #262c3b;
	--gui-fill: #ffc98a;
	--gui-thumb: #ffe2bd;
	--gui-thumb-hover: #fff0dc;
	--gui-check: #0e1119;
	--gui-label-width: 110px;
	color-scheme: dark;
	box-shadow: 0 8px 30px rgba(0, 0, 0, .5);
}

/* The open dropdown list is drawn by the browser; give its options the panel's colours. */
#gui-container .gui option {
	background: #171b26;
	color: #d6dceb;
}

#status { flex-basis: 100%; min-height: 1.4em; color: #ffc98a; }
#status.error { color: #ff8a8a; }

#credits {
	position: fixed;
	left: 16px;
	right: 16px;
	bottom: 10px;
	font-size: 11px;
	opacity: .45;
}

.band-labels {
	position: fixed;
	inset: 0;
	pointer-events: none;
}

.band-labels span {
	position: absolute;
	margin: 6px 8px;
	font: 11px/1.2 ui-monospace, monospace;
	color: #ffc98a;
	text-shadow: 0 0 3px #000;
}