:root {
  --ink: #1a1a1a;
  --ter: #5b6470;
  --sec: #9ca3af;
  --line: #e2e8ea;
  --lime: #8cffa7;
  --limeD: #2c8f50;
  --surface: #f7f7f7;
  --r: 14px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #e7e8e4;
  color: var(--ink);
  font-family:
    "Inter",
    -apple-system,
    sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.tbinner {
  max-width: 980px;
  margin: 0 auto;
  padding: 11px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.tbinner .tt {
  font-family: "Domine", Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.tbinner .right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
#saveNote {
  font-size: 11px;
  color: var(--sec);
}
.btn {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 9px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.btn:hover {
  border-color: #c7ced2;
}
.btn.primary {
  background: var(--lime);
  border-color: var(--lime);
}
.btn.primary:hover {
  border-color: var(--limeD);
}
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 20px 70px;
}
.sheet {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 30px 36px 40px;
}
.lead .eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ter);
  margin: 0 0 7px;
}
.lead h1 {
  font-family: "Domine", Georgia, serif;
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.02;
  margin: 0 0 10px;
}
.lead p {
  font-size: 13.5px;
  color: var(--ter);
  max-width: 66ch;
  margin: 0;
}
.sec {
  margin-top: 38px;
}
.sechead {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-bottom: 6px;
}
.secnum {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Domine", Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  color: #111;
}
.sectitle {
  font-family: "Domine", Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0;
  line-height: 1.05;
}
.secintro {
  font-size: 12.5px;
  color: var(--ter);
  margin: 4px 0 0;
}
.fields {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 10px 0 2px;
}
.f {
  display: flex;
  flex-direction: column;
}
.f.g1 {
  flex: 1 1 100%;
}
.f.g2 {
  flex: 1 1 calc(50% - 7px);
}
.f.g3 {
  flex: 1 1 calc(33.333% - 10px);
}
.f label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ter);
  margin-bottom: 5px;
}
.f input,
.f textarea {
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
  background: #fff;
  width: 100%;
}
.f textarea {
  resize: vertical;
  overflow: hidden;
  min-height: 42px;
}
.f input:focus,
.f textarea:focus {
  outline: none;
  border-color: #8fd8b6;
  box-shadow: 0 0 0 3px rgba(140, 255, 167, 0.25);
}
.sub {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 22px 0 2px;
}
.note {
  font-size: 12px;
  color: var(--ter);
  font-style: italic;
  margin: 6px 0 2px;
}
/* token card: value + purpose + constraint grouped together */
.token {
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 13px 14px 4px;
  margin: 10px 0;
  background: #fcfdfd;
}
.token .fields {
  margin: 0 0 9px;
}
/* dos and don'ts: strip the card so each reads as a simple line */
.ddrow {
  border: none;
  background: none;
  padding: 0;
  margin: 8px 0;
}
.ddrow .fields {
  margin: 0;
}
.colorwrap {
  display: flex;
  gap: 8px;
  align-items: center;
}
.colorwrap input[type="color"] {
  width: 40px;
  height: 38px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 3px;
  background: #fff;
  cursor: pointer;
}
.addrow {
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--limeD);
  background: none;
  border: 1px dashed #b9c2c5;
  border-radius: 9px;
  padding: 8px 13px;
  cursor: pointer;
  margin-top: 4px;
}
.addrow:hover {
  background: #f3faf5;
}
/* preview panel */
.preview {
  display: none;
  margin: 18px 0 2px;
  border: 1px solid var(--line);
  border-radius: 11px;
  overflow: hidden;
}
.preview.open {
  display: block;
}
.preview .phead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 13px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ter);
}
.preview pre {
  margin: 0;
  padding: 16px;
  max-height: 420px;
  overflow: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.55;
  color: #20262b;
  white-space: pre-wrap;
  word-break: break-word;
}
footer {
  max-width: 980px;
  margin: 16px auto 0;
  padding: 0 20px;
  font-size: 11px;
  color: var(--sec);
}
@media (max-width: 680px) {
  .f.g2,
  .f.g3 {
    flex: 1 1 100%;
  }
  .sheet {
    padding: 24px 18px 32px;
  }
  .lead h1 {
    font-size: 34px;
  }
}