/* Cyber-Bento Horizon: Base & Layout Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

code, pre, .font-mono {
  font-family: var(--font-mono);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Custom Cyber Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-active);
}

/* Navigation Shell */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-panel);
  padding: 4px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border-subtle);
}

.nav-tab-btn {
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.nav-tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-hover);
}

.nav-tab-btn.active {
  color: #fff;
  background: var(--bg-active);
  box-shadow: inset 0 0 0 1px var(--border-active);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-dim);
  border: 1px solid var(--border-glow);
  color: var(--color-primary);
}

.hotkey-hint {
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
}