:root {
  --bg: #0f0f0f;
  --panel: #1b1b1b;
  --border: #3f3f3f;
  --card-border: #a87e2a;
  --text: #e8e8e8;
  --dim: #9a9a9a;
  --accent: #e8a33d;
  --ok: #3fb96f;
  --warn: #e8a33d;
  --alarm: #e05555;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--card-border);
}

h1 {
  font-size: 15px;
  margin: 0;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 10px;
}

h1 .logo {
  height: 30px;
  width: auto;
}

.conn { font-size: 12px; color: var(--dim); }
.conn.live { color: var(--ok); }
.conn.err { color: var(--warn); }

nav {
  display: flex;
  gap: 6px;
  padding: 12px 16px 0;
  flex-wrap: wrap;
}

nav button {
  background: var(--panel);
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

nav button:hover { border-color: var(--accent); color: var(--text); }

nav button.active {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
  font-weight: 700;
}

main { padding: 14px 16px 28px; }

#dev-header {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

#dev-title {
  font-family: ui-monospace, monospace;
  font-size: 22px;
  font-weight: 700;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  margin-right: 6px;
}

.badge.ok { background: #242424; color: var(--ok); }
.badge.warn { background: #242424; color: var(--warn); }
.badge.alarm { background: #242424; color: var(--alarm); }
.badge.err { background: #242424; color: var(--dim); }

.alarm-detail { color: var(--alarm); font-size: 13px; }

#grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--dim);
  border-radius: 8px;
  padding: 12px;
}

.card.mode-auto { border-left-color: var(--dim); }
.card.mode-hold { border-left-color: var(--warn); }
.card.mode-ramp { border-left-color: var(--alarm); }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.name { font-weight: 600; font-size: 13px; }

.mode {
  font-size: 11px;
  font-family: ui-monospace, monospace;
  padding: 2px 8px;
  border-radius: 10px;
  background: #111;
  color: var(--dim);
  white-space: nowrap;
}

.mode.hold { color: var(--warn); }
.mode.ramp { color: var(--alarm); }

.value-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 8px 0;
}

.value {
  font-size: 28px;
  font-weight: 700;
  font-family: ui-monospace, monospace;
}

.unit { color: var(--dim); font-size: 13px; }

canvas {
  width: 100%;
  height: 120px;
  display: block;
  margin-bottom: 10px;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
  color: var(--dim);
}

.ctl { display: flex; align-items: center; gap: 4px; }

input[type="number"] {
  width: 74px;
  background: #111;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 6px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

button {
  background: #242424;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}

button:hover { border-color: var(--accent); }

.alarm-group {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: auto;
}

button[data-act="alarmHigh"] { border-color: #5a2a2a; color: var(--alarm); }
button[data-act="alarmHigh"]:hover { border-color: var(--alarm); }
button[data-act="alarmLow"] { border-color: #4a3a1a; color: var(--warn); }
button[data-act="alarmLow"]:hover { border-color: var(--warn); }