/* Phase 4.1-A — Shared tab navigation
   Floats above existing JARVIS layout without disturbing the 100vh grid.
*/
:root {
  --nav-bg: #060912;
  --nav-border: #143155;
  --nav-cyan: #00d4ff;
  --nav-cyan-dim: #6688aa;
  --nav-cyan-glow: #00d4ff66;
}
.jarvis-tabnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 40px;
  display: flex;
  align-items: center;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: 0 0 16px var(--nav-cyan-glow);
  z-index: 1000;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  padding: 0 16px;
  gap: 4px;
}
.jarvis-tabnav .brand {
  color: var(--nav-cyan);
  font-size: 12px;
  letter-spacing: 4px;
  margin-right: 24px;
  text-shadow: 0 0 6px var(--nav-cyan-glow);
}
.jarvis-tabnav a {
  color: var(--nav-cyan-dim);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid transparent;
  transition: all .15s ease;
}
.jarvis-tabnav a:hover {
  color: var(--nav-cyan);
  border-color: var(--nav-border);
}
.jarvis-tabnav a.active {
  color: var(--nav-cyan);
  border-color: var(--nav-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 8px var(--nav-cyan-glow);
}
.jarvis-tabnav .spacer { flex: 1; }
.jarvis-tabnav .mic-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--nav-cyan-dim);
  border-radius: 50%;
  background: transparent;
  color: var(--nav-cyan);
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s ease;
}
.jarvis-tabnav .mic-btn:hover { box-shadow: 0 0 12px var(--nav-cyan-glow); }
.jarvis-tabnav .mic-btn.recording {
  background: rgba(255, 56, 96, 0.2);
  border-color: #ff3860;
  color: #ff3860;
  animation: mic-pulse 1s infinite;
}
@keyframes mic-pulse { 0%, 100% { box-shadow: 0 0 4px #ff3860; } 50% { box-shadow: 0 0 16px #ff3860; } }

/* Shift the existing container down by 40px to make room. */
body.has-jarvis-nav .container { padding-top: 48px !important; }

/* Voice chat panel — slides in from right */
.jarvis-voice-panel {
  position: fixed;
  top: 40px; right: 0;
  width: 360px;
  max-width: 90vw;
  height: calc(100vh - 40px);
  background: var(--nav-bg);
  border-left: 1px solid var(--nav-border);
  z-index: 999;
  transform: translateX(100%);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}
.jarvis-voice-panel.open { transform: translateX(0); }
.jarvis-voice-panel .header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--nav-border);
  color: var(--nav-cyan);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: center;
}
.jarvis-voice-panel .header .close-btn {
  background: transparent;
  border: 1px solid var(--nav-cyan-dim);
  color: var(--nav-cyan-dim);
  cursor: pointer;
  width: 24px; height: 24px;
  font-size: 12px;
  border-radius: 50%;
}
.jarvis-voice-panel .chat {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.jarvis-voice-panel .bubble {
  padding: 8px 12px;
  border-radius: 8px;
  max-width: 85%;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}
.jarvis-voice-panel .bubble.user {
  background: #112030;
  color: #cfe9ff;
  align-self: flex-end;
  border: 1px solid var(--nav-border);
}
.jarvis-voice-panel .bubble.jarvis {
  background: rgba(0, 212, 255, 0.08);
  color: var(--nav-cyan);
  align-self: flex-start;
  border: 1px solid var(--nav-cyan-dim);
}
.jarvis-voice-panel .input-area {
  padding: 12px;
  border-top: 1px solid var(--nav-border);
  display: flex;
  gap: 8px;
}
.jarvis-voice-panel .input-area input {
  flex: 1;
  background: #0a1020;
  border: 1px solid var(--nav-border);
  color: #cfe9ff;
  padding: 8px;
  font-family: inherit;
  font-size: 12px;
}
.jarvis-voice-panel .input-area button {
  background: var(--nav-cyan);
  color: #060912;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 1px;
}
.jarvis-voice-panel .status {
  padding: 6px 16px;
  font-size: 10px;
  color: var(--nav-cyan-dim);
  border-top: 1px solid var(--nav-border);
}