:root {
	--bg: #0a0b10;
	--bg-elev: #12141b;
	--bg-elev-2: #191c25;
	--bg-elev-3: #20232e;
	--border: rgba(255,255,255,.08);
	--border-strong: rgba(255,255,255,.16);
	--text: #edeef3;
	--text-dim: #9298a8;
	--text-faint: #5c6273;
	--accent: #7c6cf5;
	--accent-2: #22d3ee;
	--accent-dim: rgba(124,108,245,.16);
	--accent-contrast: #ffffff;
	--green: #34d399;
	--green-dim: rgba(52,211,153,.14);
	--yellow: #fbbf46;
	--yellow-dim: rgba(251,191,70,.14);
	--red: #f8695f;
	--red-dim: rgba(248,105,95,.14);
	--radius: 14px;
	--radius-sm: 9px;
	--radius-lg: 18px;
	--shadow-sm: 0 1px 2px rgba(0,0,0,.3);
	--shadow-md: 0 6px 20px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.3);
	--shadow-lg: 0 20px 60px rgba(0,0,0,.45), 0 2px 8px rgba(0,0,0,.3);
	--shadow-accent: 0 8px 24px rgba(124,108,245,.28);
	--header-h: 56px;
	--sidebar-w: 236px;
	--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Helvetica, Arial, sans-serif;
	--topo-series-1: #6d8cf5;
	--topo-series-2: #f5905b;
	--topo-series-3: #34d399;
	--topo-series-4: #f5c04b;
	--topo-series-5: #ec7fb0;
	--topo-series-6: #3fc36a;
	--topo-series-7: #a78bfa;
	--topo-series-8: #f28b8b;
	--topo-neutral: #383c48;
	--ambient: radial-gradient(1100px 560px at 105% -12%, rgba(124,108,245,.14), transparent 60%),
		radial-gradient(800px 480px at -8% 105%, rgba(34,211,238,.07), transparent 60%);
}
@media (prefers-color-scheme: light) {
	:root {
		--bg: #f5f6fa;
		--bg-elev: #ffffff;
		--bg-elev-2: #f2f3f8;
		--bg-elev-3: #eaecf3;
		--border: rgba(20,20,40,.08);
		--border-strong: rgba(20,20,40,.15);
		--text: #14151f;
		--text-dim: #666c7d;
		--text-faint: #9a9fac;
		--accent: #6355e8;
		--accent-2: #0891b2;
		--accent-dim: rgba(99,85,232,.1);
		--accent-contrast: #ffffff;
		--green: #0f9d68;
		--green-dim: rgba(15,157,104,.1);
		--yellow: #b4790a;
		--yellow-dim: rgba(180,121,10,.1);
		--red: #d84842;
		--red-dim: rgba(216,72,66,.1);
		--shadow-sm: 0 1px 2px rgba(20,20,30,.05);
		--shadow-md: 0 6px 20px rgba(20,20,30,.07), 0 1px 3px rgba(20,20,30,.06);
		--shadow-lg: 0 20px 60px rgba(20,20,30,.14), 0 2px 8px rgba(20,20,30,.06);
		--shadow-accent: 0 8px 20px rgba(99,85,232,.18);
		--ambient: radial-gradient(1100px 560px at 105% -12%, rgba(99,85,232,.08), transparent 60%),
			radial-gradient(800px 480px at -8% 105%, rgba(8,145,178,.05), transparent 60%);
		--topo-series-1: #3b64d8;
		--topo-series-2: #d9702f;
		--topo-series-3: #0f9d68;
		--topo-series-4: #ad7c00;
		--topo-series-5: #c15687;
		--topo-series-6: #1f9c4a;
		--topo-series-7: #6947c9;
		--topo-series-8: #cf4f4f;
		--topo-neutral: #ccd0d9;
	}
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: var(--font-sans);
	background: var(--ambient), var(--bg);
	background-attachment: fixed;
	color: var(--text);
	font-size: 14px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
	font-feature-settings: "cv11", "tnum" 0;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
	border-radius: 4px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

.shell { display: flex; min-height: 100vh; }

/* ------------------------------------------------------------------ */
/* Brand mark                                                          */
/* ------------------------------------------------------------------ */
.brand-mark {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	flex: none;
	border-radius: 9px;
	background: linear-gradient(135deg, var(--accent), var(--accent-2));
	box-shadow: var(--shadow-accent);
}
.brand-mark svg { width: 18px; height: 18px; display: block; }

/* --- mobile top bar (hidden on desktop) --- */
.topbar {
	display: none;
	align-items: center;
	gap: 12px;
	height: var(--header-h);
	padding: 0 14px;
	background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	z-index: 30;
}
.topbar-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.nav-toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 4px;
	width: 36px;
	height: 36px;
	flex: none;
	padding: 0;
	background: transparent;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	cursor: pointer;
}
.nav-toggle span { display: block; width: 16px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .15s ease, opacity .15s ease; }
.sidebar-backdrop {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0,0,0,.5);
	backdrop-filter: blur(2px);
	z-index: 40;
}

/* ------------------------------------------------------------------ */
/* Sidebar                                                             */
/* ------------------------------------------------------------------ */
.sidebar {
	width: var(--sidebar-w);
	flex: none;
	background: color-mix(in srgb, var(--bg-elev) 96%, transparent);
	border-right: 1px solid var(--border);
	padding: 16px 12px 12px;
	display: flex;
	flex-direction: column;
	gap: 2px;
	position: sticky;
	top: 0;
	height: 100vh;
	overflow: hidden;
}
.sidebar .brand {
	display: flex;
	align-items: center;
	gap: 10px;
	font-weight: 700;
	font-size: 15.5px;
	letter-spacing: -.01em;
	padding: 4px 8px 16px;
	flex: none;
}
.nav-scroll { flex: 1; display: flex; flex-direction: column; gap: 1px; min-height: 0; overflow-y: auto; margin: 0 -4px; padding: 0 4px; }
.nav-group-label {
	font-size: 10.5px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .07em;
	color: var(--text-faint);
	padding: 11px 10px 5px;
}
.nav-group-label:first-child { padding-top: 3px; }
.sidebar a {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--text-dim);
	padding: 7px 10px;
	border-radius: var(--radius-sm);
	font-size: 13.5px;
	font-weight: 500;
	transition: background .12s ease, color .12s ease;
	position: relative;
}
.sidebar a svg { width: 16px; height: 16px; flex: none; opacity: .85; }
.sidebar a:hover { background: var(--bg-elev-2); color: var(--text); text-decoration: none; }
.sidebar a.active {
	background: var(--accent-dim);
	color: var(--text);
	font-weight: 600;
}
.sidebar a.active svg { opacity: 1; color: var(--accent); }
.sidebar a.active::before {
	content: "";
	position: absolute;
	left: -12px;
	top: 50%;
	transform: translateY(-50%);
	width: 3px;
	height: 16px;
	border-radius: 0 3px 3px 0;
	background: var(--accent);
}
.nav-divider { border-top: 1px solid var(--border); margin: 10px 6px; }

.sidebar-footer { flex: none; padding-top: 10px; border-top: 1px solid var(--border); }
.user-chip { display: flex; align-items: center; gap: 9px; padding: 6px 8px; border-radius: var(--radius-sm); }
.user-avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	flex: none;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--accent), var(--accent-2));
	color: #fff;
	font-size: 12px;
	font-weight: 700;
}
.user-name { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip .logout-btn {
	margin-left: auto;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 26px;
	height: 26px;
	flex: none;
	background: transparent;
	border: none;
	border-radius: var(--radius-sm);
	color: var(--text-faint);
	cursor: pointer;
	transition: background .12s ease, color .12s ease;
}
.user-chip .logout-btn:hover { background: var(--red-dim); color: var(--red); }
.user-chip .logout-btn svg { width: 15px; height: 15px; }

.content { flex: 1; min-width: 0; padding: 32px 40px 60px; max-width: 1240px; }

/* ------------------------------------------------------------------ */
/* Login                                                                */
/* ------------------------------------------------------------------ */
.login-page {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	padding: 16px;
	background: var(--ambient), var(--bg);
}
.login-card {
	background: color-mix(in srgb, var(--bg-elev) 97%, transparent);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	padding: 36px 32px;
	width: 360px;
	max-width: 100%;
}
.login-brand { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-bottom: 26px; text-align: center; }
.login-brand .brand-mark { width: 44px; height: 44px; border-radius: 12px; }
.login-brand .brand-mark svg { width: 24px; height: 24px; }
.login-brand h1 { font-size: 19px; margin: 0; letter-spacing: -.01em; }
.login-brand p { margin: 0; color: var(--text-dim); font-size: 13px; }
.login-card label { margin-top: 14px; }
.login-card label:first-of-type { margin-top: 0; }

h1 { font-size: 22px; margin: 0 0 22px; font-weight: 700; letter-spacing: -.015em; }
h2 { font-size: 15.5px; margin: 28px 0 14px; font-weight: 700; letter-spacing: -.005em; }

/* Header row for a page title + primary actions (h1 + buttons). Replaces
   the old pattern of a bare .card-row with inline margin:0 on the h1,
   which left zero space before the content below it. */
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-header h1 { margin: 0; }
.page-header .actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* A label-over-value pair (e.g. node/swarm detail cards), and a row of
   them - kept separate from .card-row's tighter button-group gap since
   these need clear column separation to read as distinct fields. */
.field { display: flex; flex-direction: column; gap: 5px; }
.field > .muted { font-size: 12px; }
.field-row { display: flex; gap: 32px; flex-wrap: wrap; row-gap: 18px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card {
	background: var(--bg-elev);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 16px 18px;
	transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
	position: relative;
	overflow: hidden;
}
.stat-card:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.stat-card .icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 30px;
	height: 30px;
	border-radius: 8px;
	background: var(--accent-dim);
	color: var(--accent);
	margin-bottom: 12px;
}
.stat-card .icon svg { width: 16px; height: 16px; }
.stat-card.warn .icon { background: var(--yellow-dim); color: var(--yellow); }
.stat-card.crit .icon { background: var(--red-dim); color: var(--red); }
.stat-card .n { font-size: 26px; font-weight: 700; line-height: 1.15; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat-card .l { color: var(--text-dim); font-size: 12px; margin-top: 3px; }

.ring-grid { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.ring-card {
	background: var(--bg-elev);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 18px 22px;
	display: flex;
	align-items: center;
	gap: 18px;
	flex: 1 1 240px;
	transition: border-color .15s ease, box-shadow .15s ease;
}
.ring-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.ring {
	--size: 78px;
	--thickness: 9px;
	--ring-color: var(--accent);
	width: var(--size);
	height: var(--size);
	flex: none;
	border-radius: 50%;
	background: conic-gradient(var(--ring-color) calc(var(--pct) * 1%), var(--bg-elev-3) 0);
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
}
.ring::before {
	content: "";
	position: absolute;
	inset: var(--thickness);
	border-radius: 50%;
	background: var(--bg-elev);
}
.ring-pct { position: relative; z-index: 1; font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.ring.ok { --ring-color: var(--green); }
.ring.warn { --ring-color: var(--yellow); }
.ring.crit { --ring-color: var(--red); }
.ring-info .l { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 5px; }
.ring-info .n { font-size: 15px; font-weight: 600; }
.ring-info .n .muted { font-weight: 400; font-size: 13px; }

.table-wrap { margin-bottom: 8px; }
.table-search { margin-bottom: 10px; width: 260px; max-width: 100%; }
table { width: 100%; border-collapse: collapse; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--text-faint); font-weight: 700; text-transform: uppercase; font-size: 10.5px; letter-spacing: .06em; user-select: none; background: color-mix(in srgb, var(--bg-elev-2) 60%, transparent); }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background .1s ease; }
tbody tr:hover { background: var(--bg-elev-2); }

.badge {
	display: inline-flex;
	align-items: center;
	padding: 3px 10px 3px 8px;
	border-radius: 999px;
	font-size: 11px;
	font-weight: 600;
	text-transform: capitalize;
	line-height: 1.5;
	white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-right: 6px; flex: none; }
.badge.state-running, .badge.state-ready, .badge.state-active { background: var(--green-dim); color: var(--green); }
.badge.state-pending, .badge.state-starting, .badge.state-preparing, .badge.state-assigned, .badge.state-accepted, .badge.state-new, .badge.state-allocated, .badge.state-updating { background: var(--yellow-dim); color: var(--yellow); }
.badge.state-failed, .badge.state-rejected, .badge.state-down, .badge.state-shutdown { background: var(--red-dim); color: var(--red); }

.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.card-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.muted { color: var(--text-dim); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-word; }

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 75%, var(--accent-2)));
	color: var(--accent-contrast);
	border: none;
	padding: 8px 15px;
	border-radius: var(--radius-sm);
	cursor: pointer;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.2;
	box-shadow: 0 1px 2px rgba(0,0,0,.15);
	transition: box-shadow .15s ease, transform .05s ease, filter .12s ease;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; box-shadow: var(--shadow-accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn.secondary:disabled, .btn.danger:disabled {
	opacity: .45;
	cursor: not-allowed;
	pointer-events: none;
}
.btn.secondary { background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text); box-shadow: none; }
.btn.secondary:hover { background: var(--bg-elev-3); filter: none; box-shadow: none; border-color: var(--border-strong); }
.btn.danger { background: linear-gradient(135deg, var(--red), #d9463d); }
.btn.small { padding: 5px 11px; font-size: 12px; }

.link-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 9px 10px; font: inherit; text-align: left; width: 100%; border-radius: var(--radius-sm); transition: background .12s ease, color .12s ease; }
.link-btn:hover { color: var(--text); background: var(--accent-dim); }

input[type=text], input[type=password], input[type=number], textarea, select {
	background: var(--bg);
	border: 1px solid var(--border);
	color: var(--text);
	padding: 8px 11px;
	border-radius: var(--radius-sm);
	font-size: 13px;
	max-width: 100%;
	transition: border-color .12s ease, box-shadow .12s ease;
}
input[type=text]:focus, input[type=password]:focus, input[type=number]:focus, textarea:focus, select:focus {
	border-color: var(--accent);
	outline: none;
	box-shadow: 0 0 0 3px var(--accent-dim);
}
canvas, img, svg { max-width: 100%; }
label { display: block; margin: 12px 0 5px; color: var(--text-dim); font-size: 12px; font-weight: 500; }
form.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.error-box { background: var(--red-dim); color: var(--red); border: 1px solid color-mix(in srgb, var(--red) 35%, transparent); padding: 10px 12px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13px; }

.breadcrumb { color: var(--text-dim); margin-bottom: 16px; font-size: 13px; }

#terminal { height: 70vh; background: #000; border-radius: var(--radius); padding: 8px; }

/* ------------------------------------------------------------------ */
/* Cluster topology map                                                */
/* ------------------------------------------------------------------ */
.topology-toolbar {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
	padding: 12px 16px;
	border-bottom: 1px solid var(--border);
}
.topology-legend { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-dim); margin-left: auto; }
.legend-dot, .legend-diamond { width: 10px; height: 10px; display: inline-block; margin-right: 5px; vertical-align: -1px; }
.legend-dot { border-radius: 50%; background: var(--topo-series-1); }
.legend-diamond { background: var(--bg-elev-2); border: 1px solid var(--border); transform: rotate(45deg); }
.legend-ring { border-radius: 50%; border: 2px solid; width: 8px; height: 8px; display: inline-block; margin-right: 5px; vertical-align: -1px; }
.legend-ring.ok { border-color: var(--green); }
.legend-ring.warn { border-color: var(--yellow); }
.legend-ring.crit { border-color: var(--red); }

#topology-svg { display: block; width: 100%; height: 640px; background: var(--bg); cursor: grab; touch-action: none; }
#topology-svg.panning { cursor: grabbing; }
.topo-node { cursor: pointer; }
.topo-node, .topo-edge { transition: opacity .15s ease; }
.topo-shape { stroke-width: 3; fill: var(--topo-neutral); }
.topo-node-network .topo-shape { fill: var(--bg-elev-2); stroke: var(--border); stroke-width: 2; }
.topo-ingress { stroke: var(--accent); stroke-dasharray: 4 3; }
.topo-status-ok { stroke: var(--green); }
.topo-status-warn { stroke: var(--yellow); }
.topo-status-crit { stroke: var(--red); }
.topo-status-idle { stroke: var(--border); }
.topo-label { fill: var(--text); font-size: 11px; text-anchor: middle; pointer-events: none; user-select: none; }
.topo-sublabel { fill: var(--text-dim); font-size: 10px; text-anchor: middle; pointer-events: none; user-select: none; }
.topo-edge { stroke: var(--border-strong); stroke-width: 1.5; opacity: .7; }
.topo-dim { opacity: .1; }

/* ------------------------------------------------------------------ */
/* Mobile / narrow-viewport layout                                     */
/* ------------------------------------------------------------------ */
@media (max-width: 880px) {
	.shell { position: relative; flex-direction: column; }

	.topbar { display: flex; }

	.sidebar {
		position: fixed;
		top: 0;
		left: 0;
		bottom: 0;
		width: 260px;
		max-width: 82vw;
		z-index: 50;
		transform: translateX(-100%);
		transition: transform .2s ease;
		box-shadow: var(--shadow-lg);
		overflow: hidden;
		height: 100vh;
	}
	.shell.nav-open .sidebar { transform: translateX(0); }
	.shell.nav-open .sidebar-backdrop { display: block; }
	.sidebar .brand { display: none; }

	.content { padding: 20px 16px 40px; max-width: 100%; }

	.card-row { gap: 8px; }
	.table-search { width: 100%; }

	table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
	th, td { white-space: nowrap; }

	.stat-card .n { font-size: 22px; }
	.ring-card { flex-basis: 100%; padding: 14px 16px; }
	.ring { --size: 64px; --thickness: 8px; }

	#terminal { height: 60vh; }
	#panel-logs pre, #panel-stats pre { height: 45vh !important; }

	.topology-toolbar { padding: 10px 12px; }
	.topology-legend { margin-left: 0; }
	#topology-svg { height: 420px; }
}

@media (max-width: 520px) {
	.content { padding: 16px 12px 32px; }
	.card { padding: 16px; }
	.grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
	h1 { font-size: 19px; }
	.btn { padding: 9px 14px; }
}