:root {
  --bg: #eef3f2;
  --card: #ffffff;
  --text: #1f2a2e;
  --muted: #5f6f74;
  --primary: #009688;
  --primary-dark: #00796b;
  --primary-soft: #e0f2f1;
  --shadow: 0 10px 30px rgba(0, 77, 64, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  border-radius: 50%;
  filter: blur(40px);
  z-index: 0;
  opacity: 0.45;
}

.bg-shape-a {
  width: 280px;
  height: 280px;
  background: #80cbc4;
  top: -80px;
  left: -60px;
}

.bg-shape-b {
  width: 320px;
  height: 320px;
  background: #b2dfdb;
  bottom: -120px;
  right: -80px;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.hero {
  display: grid;
  gap: 14px;
}

.logo {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 1px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
}

h1 {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2rem);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.lead {
  margin: 8px 0 0;
  color: var(--muted);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
}

.pill.soft {
  background: #f1f5f5;
  color: var(--muted);
}

.download-card {
  text-align: center;
}

.muted { color: var(--muted); }

.btn-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 12px 24px rgba(0, 121, 107, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-download small {
  font-weight: 500;
  opacity: 0.9;
  font-size: 12px;
}

.btn-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(0, 121, 107, 0.28);
}

.btn-download.disabled {
  pointer-events: none;
  opacity: 0.55;
  box-shadow: none;
}

.hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.steps {
  margin: 0;
  padding-right: 20px;
}

.steps li + li { margin-top: 8px; }

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid #edf2f2;
}

.checklist li::before {
  content: "✓";
  color: var(--primary-dark);
  font-weight: 700;
  margin-left: 8px;
}

.faq details {
  border: 1px solid #edf2f2;
  border-radius: 12px;
  padding: 10px 12px;
  margin-top: 8px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 0 0;
}

.tiny { font-size: 11px; }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  direction: ltr;
  display: inline-block;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--primary-soft);
  border-top-color: var(--primary-dark);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.done-msg {
  margin: 0;
  color: var(--primary-dark);
  font-weight: 600;
}

@media (min-width: 640px) {
  .hero {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .meta {
    grid-column: 1 / -1;
  }
}