.topbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  width: min(var(--container), calc(100% - 40px));
  margin: 14px auto 0;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  background: rgba(255, 250, 243, .83);
  border: 1px solid rgba(210, 189, 167, .7);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(83,61,41,.08);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; }
.brand-mark { width: 26px; height: 26px; border-radius: 9px; background: linear-gradient(135deg, var(--terracotta), #d6a35c); box-shadow: inset 0 0 0 1px rgba(255,255,255,.4); }
.nav { display: flex; gap: 6px; flex: 1; justify-content: center; min-width: 0; }
.nav a { padding: 8px 12px; border-radius: 999px; color: var(--muted); font-size: 14px; white-space: nowrap; }
.nav a.active, .nav a:hover { color: var(--ink); background: #f0e4d5; }
.topbar-cta, .button, .small-button { border: 1px solid var(--line-strong); background: var(--card); color: var(--ink); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.topbar-cta { padding: 8px 14px; font-size: 14px; }
.button { padding: 12px 18px; font-weight: 720; }
.button.primary { background: var(--terracotta); border-color: var(--terracotta); color: #fff7ee; }
.button.primary:hover { background: var(--terracotta-dark); }
.button.ghost { background: rgba(255,250,243,.72); }
.button.full { width: 100%; }
.small-button { padding: 7px 12px; background: #f1e5d7; }
.badge { display: inline-flex; align-items:center; justify-content:center; padding: 4px 9px; border-radius: 999px; font-size: 12px; line-height: 1.15; font-weight: 700; border: 1px solid var(--line); white-space: nowrap; width: fit-content; max-width: 100%; }
.badge.warning { color: var(--amber); background: #fff2d9; }
.badge.ok { color: var(--green); background: #e9f0e6; }
.badge.blocked { color: var(--red); background: #fae6e1; }
.section-heading { max-width: 780px; margin-bottom: 28px; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.section-heading.compact { margin-bottom: 18px; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card, .model-card, .doc-card, .panel, .status-card, .filter-panel, .mesh-card {
  background: rgba(255,250,243,.88);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}
.metric-card { padding: 18px; }
.metric-card strong { display:block; font-size: 28px; line-height: 1; letter-spacing:-.03em; }
.metric-card span { color: var(--muted); font-size: 13px; }
input, select { width: 100%; border: 1px solid var(--line-strong); background: #fffaf3; border-radius: 12px; padding: 11px 12px; color: var(--ink); }
label { display: grid; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 700; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--card); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); background: #f5ebdf; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 900px) {
  .topbar { border-radius: 22px; align-items: flex-start; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .topbar-cta { display: none; }
  .metric-row { grid-template-columns: 1fr; }
}

.lang-switch { display:inline-flex; align-items:center; gap:3px; border:1px solid var(--line-strong); background:#f4e9dc; border-radius:999px; padding:3px; }
.lang-switch button { border:0; background:transparent; color:var(--muted); border-radius:999px; padding:6px 9px; font-size:12px; font-weight:760; }
.lang-switch button.active { background:var(--card); color:var(--ink); box-shadow:0 4px 12px rgba(83,61,41,.08); }
.app-topbar { top: 12px; }
@media (max-width: 980px) { .lang-switch { order:2; } }