:root{
  --bg:#f5f6f8;
  --card:#fff;
  --ink:#111318;
  --muted:#6f7680;
  --border:#e0e4ea;
  --green:#1f8a3b;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit}
.app-page{min-height:100vh}
.home-shell,.library-shell{width:min(1100px,calc(100% - 32px));margin:0 auto;padding:54px 0}
.hero{max-width:760px;padding:54px 0 34px}
.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--green)}
.hero h1,.library-header h1{margin:0;font-size:clamp(38px,7vw,72px);line-height:1;letter-spacing:-.05em}
.hero-copy,.library-header p{max-width:660px;color:var(--muted);font-size:18px;line-height:1.55}
.home-grid,.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.home-card,.lesson-card{display:flex;flex-direction:column;min-height:250px;padding:26px;border:1px solid var(--border);border-radius:24px;background:#fff;text-decoration:none;box-shadow:0 12px 32px rgba(0,0,0,.05)}
.home-card.primary{background:#111318;color:#fff}
.home-card-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.1em;opacity:.7}
.home-card strong,.lesson-card strong{margin-top:18px;font-size:30px}
.home-card span:not(.home-card-kicker):not(.home-card-action),.lesson-card p{margin-top:10px;line-height:1.45;opacity:.75}
.home-card-action{margin-top:auto;font-weight:800}
.coming-soon{opacity:.58}
.top-nav{display:flex;justify-content:space-between;gap:18px;margin-bottom:50px}
.account-nav{width:min(1100px,calc(100% - 32px));margin:0 auto;padding-top:22px;display:flex;justify-content:flex-end;gap:22px}
.account-nav a,.top-nav a{text-decoration:none;font-weight:800}
@media(max-width:760px){.account-nav{width:min(100% - 22px,1100px);padding-top:16px}}
.top-nav a{text-decoration:none;font-weight:800}
.library-header{margin-bottom:34px}
.lesson-card{min-height:220px;transition:transform .15s ease,box-shadow .15s ease}
.lesson-card:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(0,0,0,.09)}
.lesson-meta{margin-top:auto;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:14px}
.lesson-badge{display:inline-flex;align-items:center;align-self:flex-start;padding:7px 10px;border-radius:999px;background:#eef6f0;color:#24733a;font-size:12px;font-weight:800}
@media(max-width:760px){
  .home-shell,.library-shell{width:min(100% - 22px,1100px);padding:26px 0}
  .hero{padding-top:30px}
  .home-grid,.lesson-grid{grid-template-columns:1fr}
  .home-card,.lesson-card{min-height:190px}
}
.lesson-card.lesson-card-completed {
  border: 2px solid #2b8a3e;
  background: #f0f8f1;
}

.lesson-complete-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  align-self: stretch;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid #86c993;
  border-radius: 14px;
  background: #dff3e3;
  color: #155b26;
  font-size: 15px;
  font-weight: 800;
}

.lesson-complete-badge::before {
  content: "✓";
  display: grid;
  place-items: center;
  flex: 0 0 36px;
  height: 36px;
  border-radius: 50%;
  background: #218838;
  color: white;
  font-size: 22px;
}
.lesson-review-link {
  color: #c62828;
  font-weight: 800;
}
.lesson-last-reviewed-badge {
  color: #c62828;
}
body.rewards-off .lesson-meta > span:first-child,
body.rewards-off .reward-feature-copy {
  display: none !important;
}