:root {
  --bg: #14171c;
  --panel: #1c2027;
  --line: #2c323c;
  --ink: #e6e9ee;
  --dim: #9aa3b2;
  --accent: #7fd1a0;
  --warn: #e3b341;
  --field: #11141a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.bar {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
}

footer.bar { border-bottom: 0; border-top: 1px solid var(--line); color: var(--dim); }

h1 { font-size: 17px; margin: 0; letter-spacing: .04em; text-transform: uppercase; }
.sub { margin: 0; color: var(--dim); font-size: 13px; }

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 20px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

h2 {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dim);
}

.coords { display: flex; gap: 12px; }

label {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  color: var(--dim);
  font-size: 13px;
}

input {
  width: 100%;
  min-width: 0;
  padding: 9px 10px;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: 16px/1 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input.bad { border-color: var(--warn); }

.paste-label {
  display: block;
  margin-bottom: 6px;
  color: var(--dim);
  font-size: 13px;
}

.paste { font-size: 18px; padding: 12px; }

.note { margin: 6px 0 14px; color: var(--dim); font-size: 12px; }

.readouts { display: flex; gap: 24px; }

.readout { display: flex; flex-direction: column; }

.readout-label {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dim);
}

.readout-value {
  font: 700 44px/1.1 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.readout-unit { font-size: 12px; color: var(--dim); }

.status { margin: 12px 0 0; min-height: 1.2em; font-size: 13px; color: var(--dim); }
.status.warn { color: var(--warn); }

.build { font-size: 12px; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; }