:root {
  --bg: #0f1419;
  --panel: #171d25;
  --text: #e8eef6;
  --muted: #9aabbd;
  --accent: #6ee7b7;
  --accent-2: #38bdf8;
  --border: #2a3544;
  --danger: #fca5a5;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2838 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1040px, 92vw); margin: 0 auto; }
.wrap.narrow { width: min(720px, 92vw); }
.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(15, 20, 25, 0.85);
  border-bottom: 1px solid transparent;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  background: linear-gradient(145deg, #6ee7b7 0%, #38bdf8 55%, #0f1419 55%, #0f1419 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}
nav a { margin-left: 1rem; color: var(--muted); }
.hero { padding: 1.1rem 0 0.55rem; }
.hero h1 {
  font-size: clamp(1.55rem, 3.8vw, 2.2rem);
  line-height: 1.15;
  margin: 0 0 0.45rem;
  letter-spacing: -0.03em;
}
.hero .lede { margin: 0; color: var(--muted); font-size: 1.05rem; }
.hero-with-pack-inner {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(16rem, 1.1fr);
  gap: 0.85rem 1.5rem;
  align-items: start;
}
.pack-preview-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.pack-preview-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.85rem 0.75rem;
}
.pack-preview-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}
.pack-preview-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
}
.pack-preview-card li + li { margin-top: 0.12rem; }
.pack-preview-heading {
  margin: 0.45rem 0 0.15rem;
  font-size: 0.85rem;
  font-weight: 700;
}
.pack-preview-card p { margin: 0; font-size: 0.9rem; color: var(--text); }
.pack-preview-more {
  margin: 0.45rem 0 0;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}
@media (max-width: 720px) {
  .hero-with-pack-inner { grid-template-columns: 1fr; }
}
.gen-collapsed {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.65rem 1rem; padding: 0.7rem 0.85rem; margin-top: 0.35rem;
  border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,0.04);
}
.gen-collapsed-copy { margin: 0; }
.gen-collapsed-copy strong { display: block; }
.gen-collapsed-copy span { font-size: 0.86rem; color: var(--muted); }
.gen-collapsed-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.gen-form.is-collapsed > label,
.gen-form.is-collapsed .form-actions,
.gen-form.is-collapsed .gen-sample-group,
.gen-form.is-collapsed .field-hint { display: none; }
.gen-form.is-collapsed .gen-collapsed { display: flex; }
body.has-pack .hero { display: none; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.75rem; color: var(--accent); margin: 0 0 0.75rem;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 1rem; letter-spacing: -0.03em; }
.lede { color: var(--muted); font-size: 1.1rem; margin: 0 0 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-note { color: var(--muted); font-size: 0.9rem; margin-top: 1rem; }
.status-banner {
  padding: 0.85rem 0 1.5rem;
}
.status-banner p {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(56, 189, 248, 0.08);
  color: var(--muted);
  font-size: 0.95rem;
}
.status-banner strong { color: var(--text); }
.field-hint { margin: 0; font-size: 0.85rem; color: var(--muted); }
.btn-secondary {
  background: rgba(255,255,255,0.06);
  border-color: rgba(110, 231, 183, 0.35);
  color: var(--text);
}
.free-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(110, 231, 183, 0.35);
  background: rgba(52, 211, 153, 0.08);
}
.free-bar strong { color: var(--accent); }
.free-bar span { color: var(--muted); font-size: 0.9rem; flex: 1 1 12rem; }
.free-bar-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.gen-form {
  background: rgba(23, 29, 37, 0.9);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.15rem 1.2rem 1.25rem;
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; border: 1px solid var(--border);
  padding: 0.65rem 1.15rem; font-weight: 600; cursor: pointer;
  background: transparent; color: var(--text); text-decoration: none;
}
/* Author display on .btn beats the UA [hidden] rule, so Print/.md were
   showing on the empty first screen. Keep the attribute as the source of truth. */
[hidden] { display: none !important; }
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn-primary { background: linear-gradient(135deg, #34d399, #22d3ee); color: #062016; border: none; }
.btn-ghost { background: transparent; }
.btn-small { padding: 0.35rem 0.7rem; font-size: 0.85rem; border-radius: 8px; }
section { padding: 2.5rem 0; }
.generate { padding: 0.85rem 0 2.25rem; }
.section-head { margin-bottom: 1.25rem; }
.section-head h2 { margin: 0; letter-spacing: -0.02em; }
.demo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem;
}
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.card-title { font-weight: 700; margin: 0 0 0.75rem; }
.code-block, .panel-body {
  font-family: var(--mono); font-size: 0.85rem; white-space: pre-wrap;
  margin: 0; color: #d5e0ec;
}
.gen-form {
  display: grid; gap: 0.9rem;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.gen-form label { display: grid; gap: 0.35rem; font-size: 0.92rem; color: var(--muted); }
.gen-form input, .gen-form textarea {
  width: 100%; border-radius: 10px; border: 1px solid var(--border);
  background: #0c1117; color: var(--text); padding: 0.7rem 0.8rem;
  font: inherit;
}
.form-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.form-msg { min-height: 1.25rem; margin: 0; color: var(--muted); }
.form-msg.is-error { color: var(--danger); }
.output { margin-top: 1.25rem; display: grid; gap: 1rem; }
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--border);
}
.panel-head h3 { margin: 0; font-size: 0.95rem; }
.panel-body { padding: 1rem; }
.disclosure { color: var(--muted); font-size: 0.95rem; }
.site-footer {
  border-top: 1px solid var(--border); padding: 1.5rem 0 2.5rem; color: var(--muted);
}
.footer-inner { display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.muted { color: var(--muted); }

@media (max-width: 760px) {
  .form-actions .btn-secondary { display: none; }
}

/* First screen is headline + sample, then the form. */

@media print {
  header, footer, .status-banner, .hero, .demo, .disclosure, form, .form-actions, button { display:none !important; }
  #prop-output, .output { display:block !important; }
  body { background:#fff; color:#000; }
  pre, .panel-body { white-space:pre-wrap; font-size:11pt; }
}