/* ============================================
   App styles — extends theme.css
   Covers: nav, auth, catalog, membership, product detail
   ============================================ */

/* ---- Navigation ---- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  background: rgba(13, 10, 14, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--fg); }

.nav-link-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.nav-link-btn:hover { color: var(--fg); }

.nav-cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 9px 20px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }

.nav-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---- App main (offset for fixed nav) ---- */
.app-main {
  padding-top: 64px;
  min-height: 100vh;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 14px 32px;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  text-align: center;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  text-align: center;
}
.btn-outline:hover { background: var(--accent-glow); }

.btn-full { width: 100%; }

.accent-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.accent-link:hover { text-decoration: underline; }

/* ---- Auth pages ---- */
.auth-container {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 48px 40px;
}

.auth-header {
  text-align: center;
  margin-bottom: 36px;
}

.auth-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  margin: 16px 0 8px;
}

.auth-sub {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.form-group input {
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: border-color 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group input::placeholder { color: var(--fg-muted); opacity: 0.6; }

.form-error {
  background: rgba(220, 80, 80, 0.1);
  border: 1px solid rgba(220, 80, 80, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #f87171;
  margin-bottom: 20px;
}

.form-success {
  background: rgba(80, 200, 120, 0.1);
  border: 1px solid rgba(80, 200, 120, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #6ee7b7;
  margin-bottom: 20px;
}

.auth-switch {
  text-align: center;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.auth-switch a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* ---- Catalog ---- */
.catalog-header {
  background: var(--bg-subtle);
  padding: 80px 24px 60px;
  border-bottom: 1px solid var(--card-border);
}
.catalog-header-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.catalog-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.catalog-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
}
.member-pricing-notice {
  color: var(--accent) !important;
  font-weight: 600;
}

.catalog-section { padding: 60px 24px 80px; }
.catalog-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
}

/* Filters sidebar */
.catalog-filters { }
.filter-group { margin-bottom: 32px; }
.filter-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
  display: block;
}
.filter-tag {
  display: inline-block;
  padding: 6px 14px;
  margin: 4px 4px 4px 0;
  border: 1px solid var(--card-border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.filter-tag:hover { border-color: var(--accent); color: var(--accent); }
.filter-tag.active { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.filter-clear {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-decoration: underline;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--fg);
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: block;
}
.product-card:hover { transform: translateY(-4px); border-color: var(--accent); }

.product-image-wrap { position: relative; }

.product-image-placeholder {
  background: var(--bg-subtle);
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-image-placeholder.large { aspect-ratio: 3/4; min-height: 400px; }

.product-image-icon {
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.25;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}

.product-info { padding: 20px; }
.product-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
.product-meta { font-size: 0.8rem; color: var(--fg-muted); margin-bottom: 12px; }

.product-pricing { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.price-member { font-size: 1.15rem; font-weight: 700; color: var(--accent); }
.price-retail { font-size: 1.15rem; font-weight: 700; color: var(--fg); }
.price-retail-crossed { font-size: 0.9rem; color: var(--fg-muted); text-decoration: line-through; }
.price-savings { font-size: 0.75rem; font-weight: 600; color: #6ee7b7; }
.price-member-teaser { font-size: 0.78rem; color: var(--accent); opacity: 0.8; }

/* Product detail */
.product-detail-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-detail-crumbs {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.product-detail-crumbs a { color: var(--fg-muted); text-decoration: none; }

.product-detail-name {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

.product-detail-meta { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 28px; }

.price-display { margin-bottom: 28px; }
.price-big { font-size: 2.2rem; font-weight: 700; color: var(--accent); display: block; }
.price-was { font-size: 0.9rem; color: var(--fg-muted); text-decoration: line-through; margin-right: 8px; }
.price-savings-badge { font-size: 0.8rem; font-weight: 600; color: #6ee7b7; }
.price-member-unlock { margin-top: 4px; font-size: 0.875rem; }

.product-detail-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-detail-actions { margin-bottom: 36px; }
.product-cta-note { font-size: 0.8rem; color: var(--fg-muted); margin-top: 12px; }

.product-detail-specs { border-top: 1px solid var(--card-border); padding-top: 24px; }
.spec-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--card-border); font-size: 0.875rem; }
.spec-label { color: var(--fg-muted); }
.spec-value { font-weight: 500; }

/* Catalog upsell */
.catalog-upsell {
  background: var(--bg-subtle);
  border-top: 1px solid var(--card-border);
  padding: 80px 24px;
  text-align: center;
}
.catalog-upsell-inner { max-width: 540px; margin: 0 auto; }
.upsell-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.catalog-upsell h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.catalog-upsell p { color: var(--fg-muted); margin-bottom: 28px; }

/* Membership page */
.membership-hero {
  padding: 100px 24px 80px;
  text-align: center;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--card-border);
}
.membership-hero-inner { max-width: 700px; margin: 0 auto; }
.membership-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin: 20px 0 16px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.membership-sub { color: var(--fg-muted); font-size: 1.05rem; max-width: 480px; margin: 0 auto; }

.membership-tiers-section { padding: 80px 24px; }

.tier-card { display: flex; flex-direction: column; }
.tier-card ul { flex: 1; }
.tier-cta { margin-top: 28px; }
.tier-current-badge {
  margin-top: 28px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 12px;
  border: 1px solid var(--accent);
  border-radius: 100px;
}

.page-notice {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}
.error-notice { background: rgba(220,80,80,0.1); color: #f87171; border: 1px solid rgba(220,80,80,0.3); }
.success-notice { background: rgba(201,169,110,0.1); color: var(--accent); border: 1px solid var(--card-border); }

/* Membership FAQ */
.membership-faq {
  padding: 80px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--card-border);
}
.faq-inner { max-width: 900px; margin: 0 auto; }
.faq-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
}
.faq-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.faq-item p { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.7; }

/* Success page */
.success-container {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}
.success-card {
  max-width: 500px;
  width: 100%;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 56px 40px;
}
.success-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}
.success-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  margin: 16px 0 10px;
}
.success-sub { color: var(--fg-muted); margin-bottom: 6px; }
.success-email { font-size: 0.875rem; color: var(--fg-muted); margin-bottom: 28px; }
.success-perks {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.success-perk-item {
  font-size: 0.875rem;
  color: var(--accent);
  padding: 10px 16px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
}
.success-actions { margin-top: 32px; }
.success-account-note { font-size: 0.8rem; color: var(--fg-muted); margin-top: 16px; }
.success-account-note a { color: var(--accent); text-decoration: none; }

/* No products / landing hero offset */
.no-products { color: var(--fg-muted); font-size: 0.95rem; padding: 40px 0; }

/* Responsive */
@media (max-width: 900px) {
  .catalog-inner { grid-template-columns: 1fr; }
  .catalog-filters { display: flex; flex-wrap: wrap; gap: 8px; }
  .filter-group { margin-bottom: 0; }
  .product-detail-wrap { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .auth-card { padding: 36px 24px; }
  .success-card { padding: 40px 24px; }
  .nav-links { gap: 16px; }
}