html,
body {
	height: 100%;
	margin: 0;
	padding: 0;
	font-family: Arial, sans-serif;
}

body {
	display: flex;
	flex-direction: column;
	flex: 1;
	font-size: 16px;
	background-color: #4a5e5e;
	overflow-y: auto;
}

header {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	background-color: #1387b5;
	min-height: 3rem;
	width: 100%;
	padding: 0 1rem;
	box-sizing: border-box;
}

header h1 {
	margin: 0;
	font-size: 1.1rem;
	font-weight: 600;
	color: white;
}

header button {
	border: 1px solid rgba(255, 255, 255, 0.5);
	background: white;
	color: #1387b5;
	padding: 0.45rem 0.9rem;
	border-radius: 4px;
	font-size: 0.95rem;
	cursor: pointer;
}

header button:hover {
	background: #e8f6fc;
}

main {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	overflow-y: auto;
	padding: 1rem;
	gap: 1rem;
	height: 100%;
}

.chart {
	display: block;
	background-color: rgb(255, 255, 255);
	border: 1px solid darkgray;
}

footer {
	display: flex;
	color: white;
	background-color: #1387b5;
	height: 25px;
	align-items: center;
	justify-content: center;
}

footer center {
	margin: auto;
}

.load-error {
	color: white;
	padding: 1rem;
	max-width: 40rem;
}

.kraken-settings {
	border: none;
	border-radius: 8px;
	padding: 0;
	width: min(560px, calc(100vw - 2rem));
	max-height: calc(100vh - 2rem);
	overflow: auto;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.kraken-settings::backdrop {
	background: rgba(0, 0, 0, 0.45);
}

.kraken-settings-form {
	padding: 1.25rem;
}

.kraken-settings-header h2 {
	margin: 0 0 0.35rem;
	font-size: 1.25rem;
}

.kraken-settings-header p {
	margin: 0 0 1rem;
	color: #555;
	font-size: 0.95rem;
}

.kraken-settings-form fieldset {
	border: 1px solid #d0d0d0;
	border-radius: 6px;
	margin: 0 0 1rem;
	padding: 0.75rem;
}

.kraken-settings-form legend {
	padding: 0 0.35rem;
	font-weight: 600;
}

.symbol-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr));
	gap: 0.35rem 0.75rem;
	margin-bottom: 0.75rem;
}

.symbol-option {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	font-size: 0.95rem;
}

.field-row {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
	gap: 0.75rem;
	margin-bottom: 1rem;
}

.field {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	margin-bottom: 0.75rem;
	font-size: 0.95rem;
}

.field span {
	font-weight: 600;
}

.field input,
.field select {
	padding: 0.45rem 0.55rem;
	border: 1px solid #bbb;
	border-radius: 4px;
	font: inherit;
}

.field small {
	color: #666;
	font-size: 0.85rem;
}

.advanced {
	margin-bottom: 1rem;
}

.advanced summary {
	cursor: pointer;
	font-weight: 600;
	margin-bottom: 0.5rem;
}

.kraken-settings-actions {
	display: flex;
	justify-content: flex-end;
	gap: 0.5rem;
}

.kraken-settings-actions button {
	padding: 0.5rem 1rem;
	border-radius: 4px;
	border: 1px solid #bbb;
	font: inherit;
	cursor: pointer;
}

.kraken-settings-actions .primary {
	background: #1387b5;
	border-color: #1387b5;
	color: white;
}

.kraken-settings-actions .primary:hover {
	background: #0f7196;
}

.kraken-settings-actions .secondary {
	background: white;
}

.kraken-settings-actions .secondary:hover {
	background: #f3f3f3;
}