:root {
  --ink: #17231d;
  --muted: #5d6b62;
  --line: #dce5de;
  --soft: #eef7ef;
  --green: #17643a;
  --paper: #f8faf5;
  --card: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.site-header {
  max-width: 1080px;
  min-height: 72px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 800;
  font-size: 1.18rem;
  text-decoration: none;
}

.brand span { color: var(--green); }

nav, footer {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: .9rem;
}

nav a, footer a {
  text-decoration: none;
}

nav a:hover, footer a:hover {
  color: var(--green);
}

.shell {
  max-width: 1080px;
  margin: auto;
  padding: 0 28px;
}

.hero { padding: 42px 0 70px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--green);
  font-size: .72rem;
  font-weight: 800;
}

.hero h1, .page h1 {
  font-size: clamp(2.65rem, 7vw, 5.5rem);
  letter-spacing: 0;
  line-height: .98;
  margin: 10px 0 18px;
}

.lede {
  font-size: 1.18rem;
  max-width: 560px;
  color: var(--muted);
  margin: 0 0 35px;
}

.tool-card, .results {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 12px 40px #16351b0b;
}

.drop-zone {
  border: 1.5px dashed #9caf9f;
  background: #fbfef9;
  border-radius: 8px;
  min-height: 205px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px;
  cursor: pointer;
}

.drop-zone.dragging {
  background: var(--soft);
  border-color: var(--green);
}

.drop-zone input { display: none; }

.upload-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--green);
  font-size: 1.55rem;
  display: grid;
  place-items: center;
  margin-bottom: 9px;
}

.drop-zone strong { font-size: 1.08rem; }

.drop-zone span {
  display: block;
  color: var(--muted);
  font-size: .9rem;
  margin: 4px 0 16px;
}

.button {
  font: inherit;
  font-weight: 750;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 12px 17px;
  cursor: pointer;
}

.button:disabled {
  opacity: .46;
  cursor: not-allowed;
}

.primary {
  background: var(--green);
  color: #fff;
}

.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
  padding: 9px 13px;
  font-size: .9rem;
}

.file-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 17px 3px;
  border-bottom: 1px solid var(--line);
}

.file-row strong {
  display: block;
  overflow-wrap: anywhere;
}

.file-row span {
  font-size: .85rem;
  color: var(--muted);
}

.text-button {
  background: none;
  border: 0;
  color: var(--green);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px 0;
}

.settings label {
  font-size: .88rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.settings select {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
}

.settings input {
  accent-color: var(--green);
  width: 100%;
}

.settings span {
  font-size: .78rem;
  color: var(--muted);
  font-weight: 500;
}

.tool-card > .primary { width: 100%; }

.privacy {
  font-size: .8rem;
  color: var(--muted);
  margin: 14px 0 0;
  text-align: center;
}

.status {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--green);
  background: #edf8ef;
  border-radius: 7px;
}

.status.error {
  border-color: #a62c2c;
  background: #fff1ef;
}

.results { margin-top: 22px; }

.result-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.result-heading h2 {
  margin: 5px 0 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 23px 0;
}

.stats div {
  padding: 15px;
  border-radius: 8px;
  background: #f4f7f1;
}

.stats span {
  font-size: .78rem;
  color: var(--muted);
  display: block;
}

.stats strong { font-size: 1.25rem; }

.note-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.preview-label {
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}

#notesList {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

#notesList li {
  background: var(--soft);
  padding: 5px 9px;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
  font-size: .85rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  border-top: 1px solid var(--line);
  padding: 65px 0;
}

.content-grid h2, .faq h2, .page h2 {
  font-size: 1.55rem;
  letter-spacing: 0;
}

.content-grid p, .faq p, .page p {
  color: var(--muted);
}

.page {
  min-height: calc(100vh - 150px);
  padding-top: 64px;
  padding-bottom: 80px;
  max-width: 820px;
}

.page h1 {
  font-size: clamp(2.3rem, 6vw, 4.5rem);
}

.page h2 {
  margin-top: 34px;
}

code {
  background: #e7eee7;
  padding: 2px 5px;
  border-radius: 4px;
}

.faq { padding-bottom: 65px; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq details:last-child { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  font-weight: 750;
}

.faq p { margin-bottom: 0; }

footer {
  justify-content: center;
  padding: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 700px) {
  .site-header {
    min-height: 66px;
    padding: 14px 16px;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: .86rem;
  }

  .shell { padding: 0 16px; }
  .hero { padding: 26px 0 45px; }
  .tool-card, .results { padding: 16px; }
  .settings, .content-grid { grid-template-columns: 1fr; }
  .content-grid { gap: 15px; padding: 42px 0; }
  .result-heading { align-items: stretch; flex-direction: column; }
  .result-heading .button { width: 100%; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:last-child { grid-column: 1 / -1; }
  .drop-zone { min-height: 190px; }
  footer { flex-wrap: wrap; }
}