/* Home hub — extends site.css */
.home-loading {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.home-app {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 20px 48px;
}
.home-app > .guest-cta {
  margin: -8px -4px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.home-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 14px 16px;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.home-who {
  display: flex;
  align-items: center;
  gap: 12px;
}

.home-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #6366f1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.home-greet {
  margin: 0;
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.home-name {
  margin: 2px 0 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.home-logout {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.home-logout:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
}
a.home-logout {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
a.home-logout:hover {
  background: var(--blue-d);
  border-color: var(--blue-d);
  color: #fff;
}

.home-title {
  margin: 0 0 8px;
  font-size: clamp(1.65rem, 5vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.home-lead {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.home-cards {
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
}

.home-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}

.home-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.home-card-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--bg);
}

.home-card-study .home-card-icon { background: var(--blue-soft); }
.home-card-novel .home-card-icon { background: var(--purple-soft); }
.home-card-tv .home-card-icon { background: #ccfbf1; }
.home-card-podcast .home-card-icon { background: #ffedd5; }

.home-card-body h2 {
  margin: 0 0 6px;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.home-card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.home-card-arrow {
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--blue);
  font-weight: 700;
  opacity: 0.85;
}

.home-card-study { border-left: 4px solid var(--blue); }
.home-card-novel { border-left: 4px solid var(--purple); }
.home-card-tv { border-left: 4px solid #0f766e; }
.home-card-podcast { border-left: 4px solid #b45309; }

.home-letter {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  padding: 26px 24px 28px;
  margin-bottom: 28px;
}

.home-letter-eyebrow {
  margin: 0 0 16px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
}

.home-letter-body p {
  margin: 0 0 14px;
  line-height: 1.75;
  font-size: 0.98rem;
  color: var(--ink-2);
}

.home-letter-body p:last-child {
  margin-bottom: 0;
}

.home-letter-sign {
  margin-top: 18px !important;
  color: var(--muted);
  font-style: italic;
}

.home-letter-sign span {
  font-style: normal;
  font-weight: 600;
  color: var(--ink);
}

.home-donate {
  text-align: center;
  padding: 8px 0 0;
}

.home-donate-lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.home-qr-wrap {
  margin: 0 auto;
  display: inline-block;
}

.home-qr-wrap img {
  display: block;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  object-fit: contain;
  box-shadow: var(--shadow-sm);
}

.home-qr-wrap figcaption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .home-app { padding: 16px 16px 40px; }
  .home-topbar { padding: 12px 14px; }
  .home-card { padding: 16px 14px; }
  .home-letter { padding: 20px 16px 22px; }
}