/*
	Minimal, functional-but-plain stylesheet for the TapeWatch dashboard
	(design spec §13). No design system, no component library — the
	design pass (a later, separate phase) restyles this once the screens
	are real.
*/

:root {
	--accent: #1a5fb4;
	--accent-hover: #144a8c;
	--danger: #b41a1a;
	--warning: #9a6a00;
	--success: #1a7f37;
	--border: #d0d0d0;
	--bg: #ffffff;
	--bg-alt: #f5f5f5;
	--text: #1a1a1a;
	--text-muted: #5a5a5a;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family:
		-apple-system,
		BlinkMacSystemFont,
		"Segoe UI",
		Roboto,
		Helvetica,
		Arial,
		sans-serif;
	color: var(--text);
	background: var(--bg);
	line-height: 1.5;
}

a {
	color: var(--accent);
}

h1, h2, h3 {
	line-height: 1.2;
}

/* Top navigation bar. */
.nav {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	padding: 0.75rem 1.5rem;
	border-bottom: 1px solid var(--border);
	background: var(--bg-alt);
}

.nav__brand {
	font-weight: 700;
	margin-right: 1rem;
}

.nav__links {
	display: flex;
	gap: 1rem;
	flex: 1;
}

.nav__status {
	font-size: 0.85rem;
	color: var(--text-muted);
}

.nav__status--connected {
	color: var(--success);
}

.nav__status--disconnected {
	color: var(--danger);
}

main {
	padding: 1.5rem;
	max-width: 960px;
	margin: 0 auto;
}

/* Forms. */
.field {
	margin-bottom: 1rem;
}

.field label {
	display: block;
	margin-bottom: 0.25rem;
	font-weight: 600;
}

input, select {
	width: 100%;
	padding: 0.5rem;
	border: 1px solid var(--border);
	border-radius: 4px;
	font-size: 1rem;
}

button {
	padding: 0.5rem 1rem;
	border: 1px solid var(--accent);
	border-radius: 4px;
	background: var(--accent);
	color: #ffffff;
	font-size: 1rem;
	cursor: pointer;
}

button:hover {
	background: var(--accent-hover);
}

button.secondary {
	background: var(--bg);
	color: var(--accent);
}

button.danger {
	background: var(--danger);
	border-color: var(--danger);
}

button:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

/* Banners. */
.banner {
	padding: 0.75rem 1rem;
	border-radius: 4px;
	margin-bottom: 1rem;
}

.banner--error {
	background: #fbe4e4;
	color: var(--danger);
	border: 1px solid var(--danger);
}

.banner--warning {
	background: #fbf1d8;
	color: var(--warning);
	border: 1px solid var(--warning);
}

.banner--success {
	background: #e2f3e6;
	color: var(--success);
	border: 1px solid var(--success);
}

/* Tables. */
table {
	width: 100%;
	border-collapse: collapse;
	margin-bottom: 1.5rem;
}

th, td {
	text-align: left;
	padding: 0.5rem;
	border-bottom: 1px solid var(--border);
}

th {
	color: var(--text-muted);
	font-weight: 600;
}

/* Loading spinner. */
.spinner {
	display: inline-block;
	width: 1rem;
	height: 1rem;
	border: 2px solid var(--border);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

.section {
	margin-bottom: 2rem;
}

.muted {
	color: var(--text-muted);
}

/* Dashboard price tiles. */
.mono {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.price-up {
	color: var(--success);
}

.price-down {
	color: var(--danger);
}

.price-flat {
	color: var(--text-muted);
}