/* ── NAV ─────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--tp);
}
.nav-logo-img {
  height: 32px;
  width: auto;
  flex-shrink: 0;
  display: block;
}
.nav-brand { font-size: 13px; font-weight: 600; }
.nav-sub {
  font-size: 11px; font-weight: 500;
  color: var(--t4);
  background: var(--s2);
  border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 4px;
  letter-spacing: .04em;
}
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-link {
  font-size: 12px; color: var(--t4); text-decoration: none;
  transition: color .15s;
  display: flex; align-items: center; gap: 5px;
}
.nav-link:hover { color: var(--tp); }
.nav-link svg { width: 12px; height: 12px; }

/* ── LAYOUT: 2-COLUMN ────────────────────────────────────────────────────── */
.page-layout {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  min-height: calc(100vh - 56px);
}
.wrap { padding: 0 32px 80px; min-width: 0; }

/* ── B2B SERVICE BANNER ──────────────────────────────────────────────────── */
.b2b-notice-banner {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--r-xl);
  padding: 14px 20px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  animation: cardFadeIn .3s ease both;
}
.b2b-notice-icon {
  width: 16px;
  height: 16px;
  color: #3b82f6;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.b2b-notice-icon svg {
  width: 100%;
  height: 100%;
}
.b2b-notice-content {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ts);
}
.b2b-notice-content a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.b2b-notice-content a:hover {
  border-bottom-color: #3b82f6;
}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.footer {
  margin-top: 80px; padding: 48px 0 40px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px; margin-bottom: 40px;
}
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  color: var(--t4); letter-spacing: .08em;
}
.footer-desc {
  font-size: 12px; color: var(--t3); line-height: 1.6; max-width: 320px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 11.5px; color: var(--t4); text-decoration: none;
  transition: color .15s;
}
.footer-links a:hover { color: var(--tp); }
.footer-bottom {
  border-top: 1px solid rgba(39,39,42,.3); padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--t5); line-height: 1.6;
}
.footer-note a { color: var(--t4); text-decoration: none; }
.footer-note a:hover { color: var(--t3); }
.footer-actions { display: flex; gap: 8px; }

/* ── TOAST ───────────────────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  background: var(--s2); border: 1px solid var(--border-h);
  color: var(--tp); font-family: 'JetBrains Mono', monospace;
  font-size: 12px; padding: 10px 16px; border-radius: var(--r-md);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  opacity: 0; transform: translateY(8px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .page-layout { grid-template-columns: 220px 1fr; }
  .sidebar { width: 220px; }
  .wrap { padding: 0 20px 80px; }
}
@media (max-width: 768px) {
  .page-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: -260px; top: 56px; z-index: 150;
    width: 260px; height: calc(100vh - 56px);
    background: var(--s0); border-right: 1px solid var(--border);
    transition: left .25s cubic-bezier(.22,1,.36,1);
  }
  .sidebar.mobile-open { left: 0; }
  .sb-toggle { display: flex; }
  .nav { padding: 0 16px; }
  .wrap { padding: 0 16px 60px; }
  .hero { padding: 40px 0 32px; }
  .cards-grid { grid-template-columns: 1fr; }
  .stats-row { flex-wrap: wrap; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: none; }
  .sort-select { margin-left: 0; }
  .footer { flex-direction: column; }
  .nav-sub { display: none; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .stat-cell { padding: 12px 16px; }
}