:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #5f6773;
  --line: #d8dbe2;
  --primary: #5b5ce2;
  --primary-dark: #4948c8;
  --soft: #eef0ff;
  --soft-2: #f8f8fb;
  --good: #13795b;
  --good-bg: #e8f7f0;
  --bad: #b42318;
  --bad-bg: #fdecec;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.shell {
  width: min(980px, calc(100% - 32px));
  margin: 28px auto 40px;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 30px;
}

.lead {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.55;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.legend span {
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  padding: 8px 10px;
  border-radius: 999px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(18, 24, 40, 0.05);
  padding: 20px;
  margin-top: 18px;
}

.card-head h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.card-head p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.palette-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.inline-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}

button {
  font: inherit;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 24, 40, 0.08);
}

button.primary {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
}

button.primary:hover {
  background: var(--primary-dark);
}

button.ghost {
  background: var(--soft-2);
}

.token-btn {
  min-width: 42px;
}

.field-block {
  margin-top: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

input:focus {
  outline: 2px solid rgba(91, 92, 226, .18);
  border-color: #9b9dff;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  margin-top: 14px;
}

.field-mini {
  width: 150px;
}

.equiv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.output-panel {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--soft-2);
  padding: 16px;
  min-height: 90px;
}

.muted-box {
  color: var(--muted);
}

.result-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 700;
}

.status-good {
  background: var(--good-bg);
  color: var(--good);
  border-color: #c7eadc;
}

.status-bad {
  background: var(--bad-bg);
  color: var(--bad);
  border-color: #f6c7c3;
}

.group {
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.group h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #d6d7e6;
  background: #f9faff;
  padding: 6px 10px;
  min-width: 34px;
  justify-content: center;
}

.small-note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

@media (max-width: 760px) {
  .equiv-grid { grid-template-columns: 1fr; }
  .shell { width: min(980px, calc(100% - 20px)); }
}
#equivBtn{
  margin-top:10px;
}