:root {
  --ink: #17211f;
  --muted: #63716c;
  --paper: #f4f5f0;
  --card: #fffefb;
  --line: #dce2dc;
  --accent: #d7f04a;
  --accent-dark: #879c12;
  --shadow: 0 18px 50px rgba(23, 33, 31, .1);
}
* { box-sizing: border-box; }

a:focus-visible, button:focus-visible, textarea:focus-visible, select:focus-visible, pre:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 3px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .35;
  background-image: radial-gradient(#c8d0c8 1px, transparent 1px);
  background-size: 20px 20px;
}

.site-header,
.site-footer,
.shell {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.brand span { font-weight: 400; }

.header-nav { display: flex; gap: 18px; font: 500 .75rem ui-monospace, monospace; }
.header-nav a, .site-footer a { color: var(--ink); text-underline-offset: 4px; }

.status-pill,
.preview-status {
  font: 500 .72rem ui-monospace, monospace;
  color: var(--muted);
}

.status-pill {
  display: flex;
  gap: 8px;
  align-items: center;
}

.status-pill i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #65bc65;
}

.header-link,
.site-footer a {
  color: var(--ink);
  text-decoration: none;
}

.header-link { font-size: .9rem; }

.shell {
  flex: 1;
  padding: 55px 0 80px;
}

.result-shell { padding-top: 30px; }

.hero,
.result-heading {
  max-width: 690px;
}

.result-heading { max-width: 520px; }

.eyebrow {
  margin: 0;
  font: 500 .72rem ui-monospace, monospace;
  letter-spacing: 0;
  color: var(--accent-dark);
  text-transform: uppercase;
}

.hero h1,
.result-heading h1 {
  font-size: 5.5rem;
  line-height: .93;
  letter-spacing: 0;
  margin: 18px 0 24px;
}

.hero h1 em,
.result-heading h1 em {
  font-style: normal;
  color: var(--accent-dark);
}

.hero-copy {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 560px;
}

.project-summary { max-width: 680px; margin: 24px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.project-summary span { display: block; margin-top: 7px; color: var(--accent-dark); font: 500 .72rem ui-monospace, monospace; }

.studio-card,
.output-card {
  margin-top: 55px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.field-label {
  display: block;
  margin-bottom: 10px;
  font: 500 .75rem ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--muted);
}

textarea,
select {
  width: 100%;
  padding: 15px 16px;
  color: var(--ink);
  background: #f8faf5;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  font: 1.05rem Arial, sans-serif;
  transition: border-color .2s, box-shadow .2s;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

textarea:focus,
select:focus {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 4px rgba(215, 240, 74, .35);
}

.form-row {
  display: flex;
  gap: 24px;
  align-items: end;
  margin-top: 24px;
}

.field-group {
  flex: 1;
  max-width: 420px;
}

.primary-button {
  border: 0;
  border-radius: 8px;
  padding: 16px 24px;
  background: var(--ink);
  color: white;
  font: 600 1rem Arial, sans-serif;
  cursor: pointer;
  transition: transform .2s, background .2s;
}

.primary-button:hover {
  background: #293733;
  transform: translateY(-2px);
}

.primary-button span {
  color: var(--accent);
  margin-left: 18px;
}

.tips {
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: .85rem;
  color: var(--muted);
}

.tips span {
  color: var(--accent-dark);
  font-weight: 700;
  margin-right: 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.feature-grid div {
  padding: 24px;
  background: var(--card);
}

.feature-grid strong {
  display: block;
  font-size: 2rem;
  letter-spacing: 0;
}

.feature-grid span {
  font: 500 .72rem ui-monospace, monospace;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.alert {
  margin-top: 30px;
  padding: 15px 18px;
  color: #a33c25;
  background: #fff1ed;
  border: 1px solid #f2b8a8;
  border-radius: 8px;
}

.output-card {
  padding: 0;
  overflow: hidden;
}

.output-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 500 .7rem ui-monospace, monospace;
  letter-spacing: 0;
}

.preview-status {
  margin-left: auto;
  margin-right: 16px;
  color: var(--accent-dark);
  letter-spacing: 0;
  text-transform: none;
}

.copy-button {
  padding: 7px 11px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  font: .75rem ui-monospace, monospace;
}

.copy-button:hover {
  color: var(--ink);
  border-color: var(--accent-dark);
}

.output-card pre {
  max-width: 100%;
  min-height: 170px;
  margin: 0;
  padding: 28px;
  overflow: auto;
  white-space: pre;
  background: #17211f;
  color: #f1f4e9;
  font: .75rem/1.15 ui-monospace, monospace;
}

.refine-form { margin-top: 32px; }
.refine-form textarea { min-height: 105px; }
.refine-form .form-row { margin-top: 16px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: .75rem ui-monospace, monospace;
}

.site-footer > div { display: flex; flex-direction: column; gap: 5px; }
.site-footer strong { color: var(--ink); font-size: .8rem; }
.site-footer nav { display: flex; align-items: center; gap: 8px; }

@media (max-width: 680px) {
  .site-header,
  .site-footer,
  .shell {
    width: min(100% - 32px, 1120px);
  }

  .shell { padding-top: 32px; }

  .hero h1,
  .result-heading h1 {
    font-size: 3.25rem;
  }

  .studio-card { padding: 22px; }

  .output-card { padding: 0; }

  .form-row {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .field-group { max-width: none; }
  .primary-button { width: 100%; }

  .feature-grid strong { font-size: 1.6rem; }
  .feature-grid div { padding: 18px 12px; }

  .site-footer {
    flex-direction: column;
    gap: 8px;
  }

  .site-header { align-items: flex-start; gap: 20px; }
  .header-nav { gap: 12px; }
  .output-card pre { padding: 20px; font-size: .55rem; }

  .output-toolbar {
    flex-wrap: wrap;
    gap: 10px;
  }

  .preview-status {
    order: 3;
    width: 100%;
    margin: 0;
  }
}