:root {
  --bg: #f5f4f2;
  --panel: #ffffff;
  --panel2: #f0efed;
  --border: #dddcda;
  --border-hi: #b8b7b4;
  --text: #111110;
  --muted: #78776e;

  --accent: #111110;
  --accent-lo: rgba(0,0,0,.06);

  --good: #2a7a4a;
  --bad: #b83232;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Courier New', monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0 26px;
}

header h1 {
  margin: 0;
  font-family: cursive;
  font-size: 24px;
  font-weight: normal;
  color: var(--text);
  line-height: 1;
}

header .right {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.btn, select, input[type="text"], input[type="number"] {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.btn {
  cursor: pointer;
  user-select: none;
}

.btn:hover { border-color: var(--border-hi); }

.btn.primary {
  background: var(--text);
  border-color: var(--text);
  color: #ffffff;
}

.btn.primary:hover {
  background: #333332;
  border-color: #333332;
}

.btn.danger {
  border-color: rgba(160,40,40,.35);
  color: #b83232;
}

.btn.danger:hover { border-color: #b83232; }

select { padding-right: 28px; }

textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  outline: none;
  transition: border-color 0.15s;
}

textarea:focus, input:focus, select:focus {
  border-color: var(--border-hi);
}

input[type="checkbox"] {
  accent-color: var(--text);
  cursor: pointer;
}

.mono { font-family: var(--mono); font-variant-ligatures: none; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 10px;
  overflow: hidden;
}

.ph {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel2);
}

.ph > .row { margin-left: auto; }

.ph strong {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.pb { padding: 14px; }

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

.small { font-size: 12px; color: var(--muted); }

.inlineCheck {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
  user-select: none;
  cursor: pointer;
}

.pill {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
}

.pill.good {
  color: var(--good);
  border-color: rgba(42,122,74,.25);
}

.pill.bad {
  color: var(--bad);
  border-color: rgba(184,50,50,.25);
}

.regexBox {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--panel2);
  display: grid;
  gap: 6px;
}

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

.regexLine .value {
  flex: 1;
  min-width: 220px;
  overflow-wrap: anywhere;
  font-size: 13px;
  color: var(--text);
}

.rules { display: grid; gap: 8px; margin-top: 12px; }

.rule {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}

.rule:hover { border-color: var(--border-hi); }

.rule.dragging { opacity: .5; border-color: var(--text); }

.rt {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--panel2);
}

.rt .left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.handle {
  cursor: grab;
  width: 14px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  flex-shrink: 0;
}

.handle:hover { border-color: var(--border-hi); }
.handle:active { cursor: grabbing; }

.rb { padding: 10px; display: grid; gap: 8px; }

.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.preview {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 160px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
}

mark.m {
  background: rgba(255,210,0,.45);
  color: var(--text);
  border-radius: 2px;
  padding: 0 1px;
  outline: 1px solid rgba(180,150,0,.3);
}

mark.z {
  background: rgba(200,0,0,.15);
  color: transparent;
  padding: 0 1px;
  margin: 0 1px;
  border-radius: 2px;
  outline: 1px solid rgba(200,0,0,.4);
}

mark.g {
  background: rgba(0,0,0,.07);
  color: var(--text);
  border-radius: 2px;
  padding: 0;
}

mark.g1 { background: rgba(255,160,60,.35); }
mark.g2 { background: rgba(220,80,160,.25); }
mark.g3 { background: rgba(60,160,220,.25); }
mark.g4 { background: rgba(140,80,210,.25); }
mark.g5 { background: rgba(60,180,90,.25); }
mark.g6 { background: rgba(200,150,0,.3); }

.exList { display: grid; gap: 8px; }

.exItem {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel2);
  padding: 10px 12px;
  display: grid;
  gap: 4px;
}

.exItem .mono { color: var(--text); font-size: 13px; }

pre {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel2);
  padding: 12px 14px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text);
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  border: 1px solid var(--text);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.toast.show { opacity: 1; }

.presetMenu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  z-index: 300;
  display: none;
  min-width: 180px;
}

.presetMenu.open { display: block; }

.presetItem {
  padding: 8px 12px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}

.presetItem:hover { background: var(--panel2); }

.presetWrap { position: relative; }

@media (max-width: 820px) {
  .grid { grid-template-columns: 1fr; }
  header { flex-wrap: wrap; }
}