:root {
  --bg: #0e1116;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --good: #3fb950;
  --bad: #f85149;
  --warn: #d29922;
  --panel: #161b22;
  --panel-2: #1c232c;
  --border: #30363d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px; line-height: 1.55;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header h1 {
  font-size: 1.85rem;
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 70ch;
}

code, .mono { font-family: "JetBrains Mono", "SF Mono", Menlo, monospace; font-size: 0.95em; }

.lede code, p code, td code, th code {
  background: var(--panel);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.88em;
}

a { color: var(--accent); }

h2 {
  font-size: 1.05rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.005em;
}

/* ─── Capture row ─── */

.capture-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.capture {
  background: var(--panel);
  border: 2px dashed var(--border);
  border-radius: 12px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: text;
  transition: border-color 120ms, background 120ms;
}

.capture:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--panel-2);
}

.capture-glyph {
  font-size: 4rem;
  line-height: 1;
  font-family: "JetBrains Mono", monospace;
  color: var(--fg);
  margin-bottom: 0.5rem;
  word-break: break-all;
  text-align: center;
  max-width: 90%;
}

.capture-hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.capture.armed .capture-hint { display: none; }

.binding-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.binding-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.binding-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  word-break: break-all;
  min-height: 1.6em;
}

.binding-help {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ─── Fields row ─── */

.fields-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.fields {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.fields th, .fields td {
  text-align: left;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.fields tr:last-child th, .fields tr:last-child td { border-bottom: none; }

.fields th {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.85rem;
  width: 40%;
}

.fields td {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--fg);
}

.dep {
  font-size: 0.65rem;
  color: var(--warn);
  background: rgba(210, 153, 34, 0.15);
  padding: 0.05rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.modifiers-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.modifiers-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.modifiers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.mod-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  background: var(--panel-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--muted);
}

.mod-pill.on {
  background: rgba(63, 185, 80, 0.15);
  color: var(--good);
  border: 1px solid rgba(63, 185, 80, 0.4);
}

.mod-pill .mod-state { font-size: 0.75rem; }

/* ─── Warnings ─── */

.warnings {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.warning {
  background: rgba(210, 153, 34, 0.12);
  border-left: 3px solid var(--warn);
  padding: 0.6rem 0.9rem;
  border-radius: 4px;
  font-size: 0.88rem;
  color: var(--fg);
}

.warning strong { color: var(--warn); }

.warnings:empty { margin-bottom: 0; }

/* ─── History ─── */

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.history-head h2 { margin: 0; }

.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.ghost:hover { color: var(--fg); border-color: var(--accent); }

.history-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
}

.history-table th, .history-table td {
  text-align: left;
  padding: 0.4rem 0.7rem;
  border-bottom: 1px solid var(--border);
}

.history-table thead th {
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.history-table tr:last-child td { border-bottom: none; }

.history-table .row-keydown { color: var(--accent); }
.history-table .row-keyup   { color: var(--muted); }
.history-table .row-keypress { color: var(--good); }

/* ─── Reading section ─── */

.reading {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-top: 2rem;
}

.reading p { margin: 0 0 0.75rem; }
.reading p:last-child { margin-bottom: 0; }

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

footer a { color: var(--accent); }

@media (max-width: 720px) {
  .capture-row, .fields-row { grid-template-columns: 1fr; }
  .capture-glyph { font-size: 3rem; }
}