*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
	--bg:      #1c1c1c;
	--bg2:     #252525;
	--bg3:     #2e2e2e;
	--bg4:     #383838;
	--border:  #3a3a3a;
	--border2: #484848;
	--accent:  #4e9fd4;
	--text:    #d4d4d4;
	--muted:   #7a7a7a;
	--sans:    Helvetica Neue, Helvetica, Arial, sans-serif;
}

body {
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	font-size: 13px;
	font-weight: 400;
	min-height: 100vh;
	padding: 36px 20px 60px;
	-webkit-font-smoothing: antialiased;
}

.container { max-width: 820px; margin: 0 auto; }

header { margin-bottom: 32px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }

.app-name {
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 8px;
}

h1 {
	font-size: 20px;
	font-weight: 300;
	color: var(--text);
	letter-spacing: 0.01em;
}

h1 strong { font-weight: 500; color: #e8e8e8; }

.subtitle {
	margin-top: 6px;
	color: var(--muted);
	font-size: 11px;
	line-height: 1.6;
	font-weight: 400;
	max-width: 560px;
}

.layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2px;
	background: var(--border);
	border: 1px solid var(--border);
	border-radius: 4px;
	overflow: hidden;
	margin-bottom: 2px;
}

@media (max-width: 580px) { .layout { grid-template-columns: 1fr; } }

.panel {
	background: var(--bg2);
	padding: 18px 20px;
}

.panel-title {
	font-size: 9px;
	font-weight: 600;
	letter-spacing: 0.13em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 16px;
	padding-bottom: 8px;
	border-bottom: 1px solid var(--border);
}

.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }

.field-row { display: flex; align-items: center; gap: 10px; }

label {
	display: block;
	font-size: 11px;
	color: var(--muted);
	margin-bottom: 5px;
	letter-spacing: 0.01em;
}

input[type=number], select {
	background: var(--bg3);
	border: 1px solid var(--border2);
	border-radius: 3px;
	color: var(--text);
	font-family: var(--sans);
	font-size: 13px;
	padding: 6px 9px;
	outline: none;
	transition: border-color 0.1s;
	width: 100%;
	-webkit-appearance: none;
}
input[type=number]:focus, select:focus {
	border-color: var(--accent);
}
select { cursor: pointer; }
select option { background: #2e2e2e; }

/* Metrics */
.metrics {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2px;
	background: var(--border);
	border-radius: 3px;
	overflow: hidden;
	margin-bottom: 2px;
}
@media (max-width: 600px) { .metrics { grid-template-columns: repeat(1, 1fr); } }

.metric {
	background: var(--bg2);
	padding: 14px 16px 12px;
	border-top: 2px solid var(--border);
}
.metric.hi { border-top-color: var(--accent); }

.metric-label {
	font-size: 9px; letter-spacing: 0.10em;
	text-transform: uppercase; color: var(--muted);
	margin-bottom: 8px;
}
.metric-value {
	font-size: 20px; font-weight: 300;
	color: var(--text); line-height: 1;
	letter-spacing: -0.01em;
}
.metric.hi .metric-value { color: var(--accent); font-weight: 400; }
.metric-sub { font-size: 10px; color: var(--muted); margin-top: 5px; }

footer {
	margin-top: 28px; text-align: center;
	font-size: 10px; color: #4a4a4a;
	letter-spacing: 0.06em;
}
footer a { color: #4a4a4a; text-decoration: none; }
footer a:hover { color: var(--accent); }