/* topbar.css — persistent top app bar: brand + mode tabs, search, Settings + Help. */

:root {
  --topbar-h:        56px;
  --topbar-h-mobile: 48px;
  --topbar-bg:       rgba(20, 20, 24, 0.82);
  --topbar-border:   rgba(var(--accent-rgb), 0.22);
  --topbar-pad-x:    18px;
  --topbar-blur:     14px;
}

/* Push everything below the fixed top bar. */
html, body { overflow: hidden; }
body { padding-top: var(--topbar-h); }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  z-index: 400;
  background: var(--topbar-bg);
  -webkit-backdrop-filter: blur(var(--topbar-blur)) saturate(140%);
  backdrop-filter: blur(var(--topbar-blur)) saturate(140%);
  border-bottom: 1px solid var(--topbar-border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.4), 0 6px 18px rgba(0,0,0,0.35);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 100%;
  padding: 0 var(--topbar-pad-x);
  min-width: 0;
}

/* ── Left group: brand + mode tabs ────────────────────────── */
.topbar-left {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  flex: 0 0 auto;
  min-width: 0;
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  flex: 0 0 auto;
  padding: 4px 6px;
  border-radius: var(--radius);
  outline-offset: 2px;
}
.topbar-brand:hover { color: var(--accent); }
.topbar-brand-glyph {
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
  filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.35));
}
.topbar-brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── Mode tabs (Build / Collect / Play) ──────────────────── */
.topbar-modes {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 36px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3px;
}
.topbar-mode-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 14px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.topbar-mode-tab:hover {
  color: var(--text);
  background: rgba(var(--accent-rgb), 0.08);
  transform: translateY(-1px);
}
.topbar-mode-tab[aria-selected="true"] {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.topbar-mode-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Search / command bar ─────────────────────────────────── */
.topbar-search {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 12px 0 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font: inherit;
  font-size: 13px;
  cursor: text;
  text-align: left;
  min-width: 0;
  max-width: 520px;
  margin: 0 auto;
}
.topbar-search:hover,
.topbar-search:focus-visible {
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--text);
  outline: none;
}
.topbar-search-glyph {
  font-size: 15px;
  color: var(--text-muted);
}
.topbar-search-placeholder {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-search-kbd {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background: rgba(0,0,0,0.35);
  color: var(--text-muted);
}

/* ── Right group: Settings + Help ─────────────────────────── */
.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}
.topbar-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.topbar-action-btn:hover {
  background: rgba(var(--accent-rgb), 0.10);
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--accent);
  transform: translateY(-1px);
}
.topbar-action-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.topbar-action-btn[aria-expanded="true"] {
  background: rgba(var(--accent-rgb), 0.16);
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--accent);
}
.topbar-action-glyph {
  font-size: 14px;
  line-height: 1;
}
.topbar-action-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 11px;
}

/* Help button is icon-only at narrower widths to save space. */
.topbar-action-label-help { display: inline; }

/* ── Toolbar (left panel footer) — preserved from previous layout */
.army-toolbar { gap: 4px; }
.toolbar-status-row {
  display: flex;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 2px 2px;
  min-height: 14px;
}
.toolbar-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.toolbar-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}
.toolbar-status.is-saved::before { background: var(--success); }
.toolbar-status.is-unsaved {
  color: var(--accent);
  font-weight: 600;
}
.toolbar-status.is-unsaved::before {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.6);
}

.toolbar-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 2px 4px;
}
.toolbar-actions-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.toolbar-icons-inline {
  display: inline-flex;
  gap: 2px;
}
.toolbar-icons-inline:empty { display: none; }
.toolbar-compat-shelf { display: none !important; }

/* ── Tablet ────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .topbar-search { max-width: 320px; }
  .topbar-mode-tab { padding: 0 10px; font-size: 11px; letter-spacing: 1px; }
}

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 720px) {
  :root { --topbar-pad-x: 10px; }
  body  { padding-top: var(--topbar-h-mobile); }
  .topbar { height: var(--topbar-h-mobile); }
  .topbar-inner { gap: 8px; }

  .topbar-brand-mark { display: none; }

  .topbar-modes { height: 32px; padding: 2px; gap: 2px; }
  .topbar-mode-tab { padding: 0 8px; font-size: 10px; letter-spacing: 0.8px; }

  .topbar-search {
    flex: 0 0 auto;
    max-width: 40px;
    padding: 0 10px;
    justify-content: center;
  }
  .topbar-search-placeholder,
  .topbar-search-kbd { display: none; }

  .topbar-action-btn { padding: 0 8px; height: 32px; }
  .topbar-action-label { display: none; }
}

/* ── Reduced motion override (user-toggleable via Settings) ── */
body.reduce-motion .topbar-mode-tab,
body.reduce-motion .topbar-action-btn { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .topbar-mode-tab,
  .topbar-action-btn { transition: none; }
}

/* Hide Build/Collect/Play mode nav until all modes are ready. */
.topbar-modes { display: none !important; }