:root {
	--bg: #0f1419;
	--panel: #1a2332;
	--panel-2: #243044;
	--accent: #3b82f6;
	--accent-2: #2563eb;
	--success: #22c55e;
	--warn: #f59e0b;
	--danger: #ef4444;
	--text: #e2e8f0;
	--muted: #94a3b8;
	--border: #334155;
}

* { box-sizing: border-box; }
body {
	margin: 0;
	min-height: 100vh;
	font-family: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
	background: radial-gradient(ellipse at top, #1e293b 0%, var(--bg) 60%);
	color: var(--text);
}

.hidden { display: none !important; }

#login-screen {
	min-height: 100vh;
	display: grid;
	place-items: center;
	padding: 24px;
}

.login-card {
	width: min(420px, 100%);
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 16px;
	padding: 32px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.login-card h1 {
	margin: 0 0 8px;
	font-size: 1.4rem;
}

.login-card p {
	margin: 0 0 24px;
	color: var(--muted);
	font-size: 0.9rem;
}

label {
	display: block;
	font-size: 0.82rem;
	color: var(--muted);
	margin-bottom: 6px;
}

input {
	width: 100%;
	padding: 10px 12px;
	border-radius: 8px;
	border: 1px solid var(--border);
	background: var(--panel-2);
	color: var(--text);
	margin-bottom: 16px;
}

button, .btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 10px 16px;
	border-radius: 8px;
	border: none;
	background: var(--accent);
	color: white;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.15s;
}

button:hover, .btn:hover { background: var(--accent-2); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-outline {
	background: transparent;
	border: 1px solid var(--border);
	color: var(--text);
}

.btn-danger { background: var(--danger); }
.btn-success { background: var(--success); }
.btn-warn { background: var(--warn); color: #111; }

#app { display: flex; min-height: 100vh; }

.sidebar {
	width: 260px;
	background: var(--panel);
	border-right: 1px solid var(--border);
	padding: 20px 16px;
	flex-shrink: 0;
}

.sidebar .brand {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 28px;
}

.logo {
	width: 40px;
	height: 40px;
	border-radius: 10px;
	background: linear-gradient(135deg, var(--accent), #8b5cf6);
	display: grid;
	place-items: center;
	font-weight: 800;
	font-size: 0.85rem;
}

.brand h2 { margin: 0; font-size: 1rem; }
.brand small { color: var(--muted); font-size: 0.75rem; }

.nav-btn {
	width: 100%;
	text-align: left;
	background: transparent;
	color: var(--muted);
	border: none;
	padding: 10px 12px;
	border-radius: 8px;
	margin-bottom: 4px;
	font-size: 0.9rem;
}

.nav-btn.active, .nav-btn:hover {
	background: var(--panel-2);
	color: var(--text);
}

.main {
	flex: 1;
	padding: 24px;
	overflow: auto;
}

.page-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 20px;
	gap: 12px;
	flex-wrap: wrap;
}

.page-header h1 { margin: 0; font-size: 1.35rem; }

.grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 16px;
	margin-bottom: 20px;
}

.card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 16px;
}

.card h3 {
	margin: 0 0 8px;
	font-size: 0.85rem;
	color: var(--muted);
	font-weight: 500;
}

.card .value {
	font-size: 1.5rem;
	font-weight: 700;
}

.card .value.ok { color: var(--success); }
.card .value.bad { color: var(--danger); }

.panel {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 16px;
	margin-bottom: 16px;
}

.panel h2 {
	margin: 0 0 12px;
	font-size: 1rem;
}

.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 12px;
}

pre.output {
	background: #0b1220;
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 12px;
	font-size: 0.78rem;
	line-height: 1.5;
	overflow: auto;
	max-height: 400px;
	white-space: pre-wrap;
	word-break: break-word;
	margin: 0;
	color: #cbd5e1;
}

.status-dot {
	display: inline-block;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	margin-right: 6px;
}

.status-dot.ok { background: var(--success); }
.status-dot.bad { background: var(--danger); }

@media (max-width: 768px) {
	#app { flex-direction: column; }
	.sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
}