:root {
  --paper: #F2F5F0;
  --paper-deep: #E7EDE5;
  --ink: #16302B;
  --ink-soft: #43584F;
  --rule: #C7D6CA;
  --redink: #A6301F;
  --stamp: #1F5FA8;
  --stamp-tint: #E3EBF6;
  --display: "Besley", Georgia, serif;
  --body: "Public Sans", -apple-system, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0.08em 0.38em;
  white-space: nowrap;
}

code.redink, .doc code.redink {
  color: var(--redink);
  background: transparent;
  border: none;
  padding: 0 0 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='4' viewBox='0 0 40 4'%3E%3Cpath d='M0 3 Q 10 0.5 20 2.5 T 40 2' fill='none' stroke='%23A6301F' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: 0 100%;
  background-size: 40px 4px;
  font-weight: 500;
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}
.wordmark span { color: var(--stamp); }
.wordmark-sm { font-size: 1.05rem; }
.masthead-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  margin-left: 22px;
}
.masthead-nav a:hover { color: var(--stamp); }

/* ---------- hero ---------- */

.hero {
  border-bottom: 1px solid var(--rule);
  background:
    repeating-linear-gradient(to bottom, transparent 0 31px, var(--rule) 31px 32px),
    var(--paper);
  background-blend-mode: normal;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stamp);
  margin-bottom: 14px;
}
h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 18px;
}
h1 em { font-style: italic; color: var(--stamp); }
.lede { font-size: 1.08rem; color: var(--ink-soft); max-width: 46ch; }
.hero-actions { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--body);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 11px 20px;
  border-radius: 6px;
  text-decoration: none;
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 3px 0 rgba(22, 48, 43, 0.35); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper-deep); }
.btn:focus-visible, .tab:focus-visible, .pt-btn:focus-visible,
textarea:focus-visible, input:focus-visible {
  outline: 3px solid var(--stamp);
  outline-offset: 2px;
}
.btn[disabled] { opacity: 0.55; cursor: wait; transform: none; }

/* ---------- specimen ---------- */

.specimen {
  background: #FDFEFC;
  border: 1.5px solid var(--ink);
  border-radius: 10px;
  box-shadow: 6px 6px 0 var(--paper-deep), 6px 6px 0 1.5px var(--rule);
  padding: 26px 28px;
  display: grid;
  gap: 14px;
}
.specimen-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 8px;
}
.specimen-clause p {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.5;
}
.specimen-clause mark {
  background: var(--stamp-tint);
  color: var(--stamp);
  padding: 0 3px;
  border-radius: 3px;
}
.specimen-arrow {
  color: var(--stamp);
  font-size: 1.3rem;
  line-height: 1;
  padding-left: 2px;
}
.specimen-row {
  border-top: 1px dashed var(--rule);
  padding-top: 14px;
  position: relative;
}
.specimen-row dl { display: grid; gap: 5px; }
.specimen-row dl div { display: flex; gap: 10px; align-items: baseline; }
.specimen-row dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  min-width: 150px;
}
.specimen-row dd { font-weight: 600; font-size: 0.95rem; }

.cite-chip, .doc-x td:nth-last-child(2) {
  font-family: var(--mono);
}
.cite-chip {
  position: absolute;
  top: 12px;
  right: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--stamp);
  border: 1.5px solid var(--stamp);
  border-radius: 4px;
  padding: 2px 8px;
  background: var(--stamp-tint);
  transform: rotate(-2deg);
  animation: stampIn 0.4s 0.5s cubic-bezier(0.2, 1.6, 0.4, 1) both;
}
@keyframes stampIn {
  from { opacity: 0; transform: rotate(-2deg) scale(1.6); }
  to { opacity: 1; transform: rotate(-2deg) scale(1); }
}

/* ---------- workbench ---------- */

.workbench { padding: 64px 24px 40px; }
.workbench-head h2, .guardrails h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.7rem;
  margin-bottom: 6px;
}
.workbench-head p { color: var(--ink-soft); margin-bottom: 24px; }

.tab-rail {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0;
}
.tab {
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-soft);
  background: var(--paper-deep);
  border: 1.5px solid var(--rule);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 10px 16px;
  cursor: pointer;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tab-own[aria-selected="true"] { background: var(--stamp); border-color: var(--stamp); }

.pane-toggle { display: none; gap: 6px; margin-top: 14px; }
.pt-btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  border: 1.5px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
}
.pt-btn.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 22px;
  margin-top: 22px;
  align-items: start;
}
.pane {
  background: #FDFEFC;
  border: 1.5px solid var(--rule);
  border-radius: 10px;
  padding: 22px 24px 26px;
  min-height: 300px;
  position: relative;
}
.pane-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.pane-tag-x { color: var(--stamp); border-color: var(--stamp-tint); }
.pane-extraction { border-color: var(--stamp); box-shadow: 4px 4px 0 var(--stamp-tint); }

.placeholder { color: var(--ink-soft); font-style: italic; padding: 24px 0; }

/* ---------- rendered docs ---------- */

.doc { font-size: 0.94rem; overflow-wrap: break-word; }
.doc > :first-child { margin-top: 0; }
.doc h1 { font-size: 1.35rem; margin: 0 0 14px; }
.doc h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  margin: 26px 0 10px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.doc h2:first-of-type { border-top: none; padding-top: 0; }
.doc h3 { font-size: 0.98rem; margin: 18px 0 8px; }
.doc p { margin: 0 0 10px; }
.doc ul, .doc ol { margin: 0 0 12px 22px; }
.doc li { margin-bottom: 4px; }
.doc hr { border: none; border-top: 1px solid var(--rule); margin: 18px 0; }

.doc .table-scroll { overflow-x: auto; margin: 0 0 14px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 0.86rem; }
.doc th {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  text-align: left;
  color: var(--ink-soft);
  background: var(--paper-deep);
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}
.doc td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  min-width: 110px;
}
.doc tr:last-child td { border-bottom: none; }

/* ---------- your-contract input ---------- */

.own-input label { font-weight: 700; font-size: 0.92rem; display: block; margin-bottom: 8px; }
.own-input .hint { font-weight: 400; color: var(--ink-soft); font-size: 0.82rem; }
.own-input textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
  border: 1.5px solid var(--rule);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}
.own-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
}
.code-label { margin: 0 !important; font-size: 0.85rem !important; }
.own-controls input {
  font-family: var(--mono);
  font-size: 0.85rem;
  border: 1.5px solid var(--rule);
  border-radius: 6px;
  padding: 9px 12px;
  background: var(--paper);
  width: 170px;
}
.own-note { color: var(--ink-soft); font-size: 0.8rem; margin-top: 12px; }

.doc .error-box {
  border: 1.5px solid var(--redink);
  border-radius: 8px;
  background: #FBF0EE;
  color: var(--redink);
  padding: 14px 16px;
  font-weight: 600;
}

.running {
  padding: 24px 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.running .bar {
  height: 3px;
  margin-top: 12px;
  background: repeating-linear-gradient(90deg, var(--stamp) 0 24px, var(--stamp-tint) 24px 48px);
  background-size: 200% 100%;
  animation: ledger 1.1s linear infinite;
  border-radius: 2px;
}
@keyframes ledger { to { background-position: -96px 0; } }

/* ---------- guardrails / footer ---------- */

.guardrails {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0;
  margin-top: 40px;
}
.guardrails h2 { color: var(--paper); margin-bottom: 18px; }
.guardrails ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.guardrails li {
  border: 1px solid rgba(242, 245, 240, 0.25);
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 0.92rem;
  color: #C9D8CC;
}
.guardrails strong { color: var(--paper); display: block; margin-bottom: 4px; }
.guardrails code.redink { color: #F0A79A; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='4' viewBox='0 0 40 4'%3E%3Cpath d='M0 3 Q 10 0.5 20 2.5 T 40 2' fill='none' stroke='%23F0A79A' stroke-width='1.4'/%3E%3C/svg%3E"); }

.footer { border-top: 2px solid var(--ink); padding: 22px 0; }
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; padding-bottom: 48px; }
  .panes { grid-template-columns: 1fr; }
  .pane-toggle { display: flex; }
  .panes[data-view="source"] .pane-extraction { display: none; }
  .panes[data-view="extraction"] .pane-source { display: none; }
}
@media (max-width: 480px) {
  .specimen { padding: 20px; }
  .specimen-row dt { min-width: 120px; }
  .own-controls input { width: 130px; }
}