:root {
	--bg: #121212;
	--panel: #1e1e1e;
	--topbar: #191919;
	--fg: #eaeaea;
	--accent: #bf5210; /* light burgundy, halfway to orange */
	--grid-line: rgba(190, 190, 190, 0.16);
	--grid-size: 0.75in;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	background-color: var(--bg);
	background-image:
		linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
		linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
	background-size: var(--grid-size) var(--grid-size);
	color: var(--fg);
	font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
	display: flex;
	align-items: center;
	padding: 0.75rem 1.25rem;
	background: var(--topbar);
	border-bottom: 1px solid var(--accent);
}

.brand {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--accent);
}

.tm {
	font-size: 0.55em;
	vertical-align: super;
	margin-left: 1px;
}

main {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: calc(100vh - 58px);
	padding: 2rem 1rem;
}

.card {
	width: fit-content;
	max-width: 90vw;
	background: var(--panel);
	border: 1px solid var(--accent);
	border-radius: 8px;
	padding: 1.5rem 2rem;
	box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
}

.card h1 {
	margin: 0 0 1rem 0;
	text-align: left;
	color: var(--fg);
}

.card hr {
	border: none;
	border-top: 1px solid var(--accent);
	margin: 1rem 0;
}

.card p {
	line-height: 1.5;
	color: var(--fg);
}

.button-row {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 1rem;
}

.button-row button {
	width: 100px;
	padding: 0.5rem 0;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 4px;
	cursor: pointer;
	font-size: 0.95rem;
}

.button-row button:hover {
	filter: brightness(1.15);
}

.modal-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.65);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;
}

.modal-overlay.hidden {
	display: none;
}

.modal {
	background: var(--panel);
	border: 1px solid var(--accent);
	border-radius: 8px;
	padding: 1.5rem;
	max-width: 560px;
	width: 100%;
	box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
}

.modal h2 {
	margin-top: 0;
	color: var(--accent);
}

.modal p {
	line-height: 1.5;
}

.modal .close-btn {
	margin-top: 1rem;
	padding: 0.5rem 1.25rem;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 4px;
	cursor: pointer;
}

.modal .close-btn:hover {
	filter: brightness(1.15);
}