/* App Screenshot Generator — light ZenMux-like desktop (no ZenMux trademarks) */
:root {
  --bg: #ffffff;
  --bg-soft: #F1F7FE;
  --bg-card: #f5f7fa;
  --surface: #ffffff;
  --text: #0B1D32;
  --text-strong: #000000;
  --muted: #4E4E4E;
  --faint: #8a8f98;
  --border: #e6e8ec;
  --accent: #000000;
  --accent-fg: #ffffff;
  --accent-hover: #222222;
  --focus: #1a5fb4;
  --drop-bg: #F1F7FE;
  --ok: #0d7a4f;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(11, 29, 50, 0.06);
  --max-w: 1280px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-family: var(--font);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100%;
  font-size: 1.125rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--focus); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--text-strong); }

.promo {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
  padding: 0.55rem var(--pad-x);
  border-bottom: 1px solid #e3ecf7;
}

.wrap {
  max-width: min(var(--max-w), 96vw);
  margin: 0 auto;
  padding: 28px var(--pad-x) 80px;
}

header.appbar {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; gap: 14px; align-items: center; }
.logo {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--accent);
  flex-shrink: 0;
}
.brand h1 {
  font-size: 1.05rem;
  font-weight: 650;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-strong);
}

nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 1rem;
  align-items: center;
}
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text-strong); text-decoration: underline; }

.ent-chip {
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid #d7e6f8;
  color: var(--focus);
  text-decoration: none;
}

.hero {
  margin: 0 0 28px;
  padding: 8px 0 8px;
}
.hero h2, .hero .display {
  margin: 0 0 12px;
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--text-strong);
  max-width: 16ch;
}
.hero p {
  margin: 0 0 18px;
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 40em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 36px;
  max-width: 720px;
}
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; }
}
.stat {
  background: var(--bg-soft);
  border: 1px solid #e3ecf7;
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat .n {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  line-height: 1.1;
}
.stat .l {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.95rem;
}

.grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.panel-title {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.section-label {
  margin: 20px 0 10px;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.section-label:first-child { margin-top: 0; }

label {
  display: block;
  font-size: 0.95rem;
  color: var(--muted);
  margin: 14px 0 6px;
  font-weight: 500;
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  font-size: 1.05rem;
}
input[type="text"]:focus,
select:focus,
textarea:focus,
input[type="color"]:focus {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
  border-color: transparent;
}
input[type="color"] {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 4px;
  cursor: pointer;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btnrow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

button, .btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  padding: 14px 18px;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 650;
  background: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button.secondary, .btn.secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
button.secondary:hover, .btn.secondary:hover { background: #f5f5f5; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.paybox {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.paybox .pay-note {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.paybox .btnrow { margin-top: 0; }

.drop {
  border: 1.5px dashed #c8d3e0;
  border-radius: 12px;
  padding: 28px 16px;
  text-align: center;
  background: var(--drop-bg);
  color: var(--muted);
  cursor: pointer;
  font-size: 1.05rem;
  transition: border-color .15s, background .15s;
}
.drop:hover { border-color: #9bb0c9; }
.drop.drag {
  border-color: var(--ok);
  background: #eef8f3;
  color: var(--ok);
}
.drop strong {
  display: block;
  color: var(--text-strong);
  margin-bottom: 4px;
  font-size: 1.15rem;
}

.preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  background:
    linear-gradient(45deg, #eef3f9 25%, transparent 25%),
    linear-gradient(-45deg, #eef3f9 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #eef3f9 75%),
    linear-gradient(-45deg, transparent 75%, #eef3f9 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-color: var(--bg-soft);
  border-radius: 10px;
  overflow: auto;
  padding: 20px;
}
canvas#stage {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(11,29,50,.12);
  background: #111;
}

.hint {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-top: 14px;
}

.faq {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  max-width: 820px;
}
.faq h2 {
  margin: 0 0 18px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  color: var(--text-strong);
}
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--bg-card);
}
.faq summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--text-strong);
}
.faq p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text-strong); text-decoration: underline; }

.legal {
  max-width: 720px;
  line-height: 1.65;
  color: var(--text);
  font-size: 1.125rem;
}
.legal h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-strong);
}
.legal p { color: var(--muted); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.chip {
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid #d7e6f8;
  color: var(--muted);
}

.success-box {
  max-width: 640px;
  margin: 48px auto;
  text-align: left;
}
.success-box h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.04em;
  margin: 0 0 12px;
  color: var(--text-strong);
}

/* Paywall: size checklist + soft Style upsell */
.size-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-card);
}
.size-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
  color: var(--text);
}
.size-list li:first-child { border-top: 0; }
.size-list li.locked {
  color: var(--faint);
  background: #fafbfc;
}
.size-list .sz-label { font-weight: 550; letter-spacing: -0.01em; }
.size-list .sz-meta {
  font-size: 0.85rem;
  color: var(--faint);
  white-space: nowrap;
}
.size-list li.locked .sz-meta { color: var(--faint); }
.size-list .sz-badge {
  font-size: 0.78rem;
  font-weight: 650;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid #d7e6f8;
  color: var(--focus);
}
.size-list li.locked .sz-badge {
  background: #f0f0f0;
  border-color: var(--border);
  color: var(--faint);
}
.size-list li.free-now .sz-badge {
  background: #eef8f3;
  border-color: #c6e9d8;
  color: var(--ok);
}

.pay-primary-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.pay-primary-row button { flex: 1 1 180px; }

.soft-upsell {
  margin: 12px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.45;
}
.soft-upsell button.linkish,
button.linkish {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  margin: 0;
  font: inherit;
  font-weight: 650;
  color: var(--focus);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline;
}
.soft-upsell button.linkish:hover,
button.linkish:hover {
  color: var(--text-strong);
  background: none;
}
.pack-status {
  margin: 8px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.pack-status.ok { color: var(--ok); font-weight: 550; }