/* ============================================================
   MAX HEADROOM VOICE CHAT — DESIGN TOKENS
   All theming via CSS custom properties. Never hardcode.
   ============================================================ */

:root {
  /* --- Primary Palette (Max Headroom CRT aesthetic) --- */
  --color-bg-deep: #0a0a1a;
  --color-bg-primary: #0d0d2b;
  --color-bg-secondary: #14143a;
  --color-bg-surface: #1a1a4a;
  --color-bg-elevated: #22225a;

  /* --- Accent Colors --- */
  --color-accent-cyan: #00f0ff;
  --color-accent-magenta: #ff00ff;
  --color-accent-pink: #ff2d95;
  --color-accent-blue: #4d4dff;
  --color-accent-yellow: #ffe600;

  /* --- Text --- */
  --color-text-primary: #e0e0ff;
  --color-text-secondary: #8888cc;
  --color-text-muted: #555588;
  --color-text-accent: var(--color-accent-cyan);

  /* --- Glow Effects --- */
  --glow-cyan: 0 0 10px rgba(0, 240, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.15);
  --glow-magenta: 0 0 10px rgba(255, 0, 255, 0.4), 0 0 40px rgba(255, 0, 255, 0.15);
  --glow-pink: 0 0 10px rgba(255, 45, 149, 0.4), 0 0 40px rgba(255, 45, 149, 0.15);
  --glow-text-cyan: 0 0 8px rgba(0, 240, 255, 0.6);
  --glow-text-magenta: 0 0 8px rgba(255, 0, 255, 0.6);

  /* --- Typography --- */
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --font-size-xs: 0.7rem;
  --font-size-sm: 0.8rem;
  --font-size-base: 0.95rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.4rem;
  --font-size-2xl: 1.8rem;

  /* --- Spacing --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* --- Borders & Radius --- */
  --border-color: rgba(0, 240, 255, 0.15);
  --border-color-strong: rgba(0, 240, 255, 0.35);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* --- Scanline --- */
  --scanline-opacity: 0.04;
  --scanline-speed: 8s;

  /* --- Avatar --- */
  --avatar-panel-width: 380px;
  --avatar-frame-bg: #080818;
  --avatar-border-color: #333366;
}


/* ============================================================
   RESET & BASE
   ============================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-deep);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}


/* ============================================================
   CRT EFFECTS — Scanlines + Glitch
   ============================================================ */

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(to bottom,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, var(--scanline-opacity)) 2px,
      rgba(0, 0, 0, var(--scanline-opacity)) 4px);
}

/* No scrolling scanline — static texture only */

.glitch-overlay {
  display: none;
}


/* ============================================================
   LAYOUT — Two Panel
   ============================================================ */

.app-container {
  display: flex;
  height: 100vh;
  height: 100dvh;
  position: relative;
}


/* ============================================================
   LEFT PANEL — AVATAR
   ============================================================ */

.avatar-panel {
  width: var(--avatar-panel-width);
  min-width: var(--avatar-panel-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: var(--color-bg-primary);
  border-right: 1px solid var(--border-color);
  position: relative;
  gap: var(--space-lg);
}

.avatar-panel::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
      transparent,
      var(--color-accent-cyan),
      var(--color-accent-magenta),
      var(--color-accent-cyan),
      transparent);
  opacity: 0.5;
}

/* --- CRT Monitor Frame --- */
.avatar-frame {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.avatar-crt-border {
  background: linear-gradient(145deg, #2a2a4a, #15152d);
  padding: 6px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--avatar-border-color);
  box-shadow:
    0 0 20px rgba(0, 240, 255, 0.08),
    inset 0 0 30px rgba(0, 0, 0, 0.5);
  position: relative;
}

.avatar-crt-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-accent-cyan), transparent, var(--color-accent-magenta)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.4;
}

.avatar-screen {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--avatar-frame-bg);
}

.avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter var(--transition-base), transform var(--transition-base);
}

/* Scanlines on the avatar screen */
.avatar-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to bottom,
      transparent,
      transparent 1px,
      rgba(0, 0, 0, 0.08) 1px,
      rgba(0, 0, 0, 0.08) 2px);
  pointer-events: none;
}

/* Glitch effect on avatar */
.avatar-glitch {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
}

.avatar-static {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.3"/></svg>');
  background-size: 100px 100px;
}

/* --- Speaking State Animations --- */
.avatar-panel.speaking .avatar-image {
  animation: avatar-speak 0.15s ease-in-out infinite alternate;
}

.avatar-panel.speaking .avatar-crt-border {
  box-shadow:
    0 0 30px rgba(255, 0, 255, 0.2),
    0 0 60px rgba(255, 0, 255, 0.1),
    inset 0 0 30px rgba(0, 0, 0, 0.5);
}

@keyframes avatar-speak {
  0% {
    transform: scale(1) translateY(0);
  }

  100% {
    transform: scale(1.008) translateY(-1px);
  }
}

/* --- Thinking State (subtle, no motion) --- */
.avatar-panel.thinking .avatar-image {
  filter: saturate(0.7) brightness(0.85);
}

.avatar-panel.thinking .avatar-static {
  opacity: 0.1;
}

/* --- Listening State (subtle glow change only) --- */
.avatar-panel.listening .avatar-crt-border {
  box-shadow:
    0 0 25px rgba(255, 45, 149, 0.15),
    inset 0 0 30px rgba(0, 0, 0, 0.5);
}


/* ============================================================
   AUDIO VISUALIZER
   ============================================================ */

.audio-visualizer {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 30px;
  padding: 0 var(--space-sm);
}

.audio-visualizer span {
  display: block;
  width: 4px;
  height: 4px;
  background: var(--color-accent-cyan);
  border-radius: 1px;
  transition: height var(--transition-fast);
  opacity: 0.3;
}

.avatar-panel.speaking .audio-visualizer span {
  opacity: 1;
  animation: visualizer-bar 0.4s ease-in-out infinite alternate;
  box-shadow: 0 0 4px rgba(0, 240, 255, 0.5);
}

.avatar-panel.speaking .audio-visualizer span:nth-child(1) {
  animation-delay: 0.00s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(2) {
  animation-delay: 0.05s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(3) {
  animation-delay: 0.10s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(4) {
  animation-delay: 0.15s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(5) {
  animation-delay: 0.20s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(6) {
  animation-delay: 0.25s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(7) {
  animation-delay: 0.30s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(8) {
  animation-delay: 0.25s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(9) {
  animation-delay: 0.20s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(10) {
  animation-delay: 0.15s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(11) {
  animation-delay: 0.10s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(12) {
  animation-delay: 0.05s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(13) {
  animation-delay: 0.00s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(14) {
  animation-delay: 0.05s;
}

.avatar-panel.speaking .audio-visualizer span:nth-child(15) {
  animation-delay: 0.10s;
}

@keyframes visualizer-bar {
  0% {
    height: 4px;
  }

  100% {
    height: 22px;
  }
}

.avatar-panel.listening .audio-visualizer span {
  background: var(--color-accent-pink);
  opacity: 0.5;
}


/* ============================================================
   AVATAR LABEL
   ============================================================ */

.avatar-label {
  text-align: center;
}

.avatar-label h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--color-accent-cyan);
  text-shadow: var(--glow-text-cyan);
  line-height: 1.2;
}

.subtitle {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
}

@keyframes dot-pulse {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.status-text {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  letter-spacing: 2px;
}


/* ============================================================
   VOICE SELECTOR
   ============================================================ */

.voice-selector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  width: 100%;
}

.voice-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.voice-label svg {
  width: 14px;
  height: 14px;
}

#voice-select {
  width: 100%;
  max-width: 280px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888cc' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

#voice-select:hover,
#voice-select:focus {
  border-color: var(--border-color-strong);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.1);
}

#voice-select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}


/* ============================================================
   STATUS CLASSES
   ============================================================ */

.status-listening .status-dot,
.avatar-panel.listening .status-dot {
  background: var(--color-accent-pink);
  box-shadow: var(--glow-pink);
}

.status-listening .status-text,
.avatar-panel.listening .status-text {
  color: var(--color-accent-pink);
}

.status-thinking .status-dot,
.avatar-panel.thinking .status-dot {
  background: var(--color-accent-yellow);
  box-shadow: 0 0 10px rgba(255, 230, 0, 0.4);
  animation: dot-pulse 0.6s ease-in-out infinite;
}

.status-thinking .status-text,
.avatar-panel.thinking .status-text {
  color: var(--color-accent-yellow);
}

.status-speaking .status-dot,
.avatar-panel.speaking .status-dot {
  background: var(--color-accent-magenta);
  box-shadow: var(--glow-magenta);
}

.status-speaking .status-text,
.avatar-panel.speaking .status-text {
  color: var(--color-accent-magenta);
}


/* ============================================================
   RIGHT PANEL — CHAT
   ============================================================ */

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chat-area {
  flex: 1;
  overflow: hidden;
  padding: var(--space-md) 0;
}

.chat-messages {
  height: 100%;
  overflow-y: auto;
  padding: 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  scroll-behavior: smooth;
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border-color-strong);
  border-radius: var(--radius-sm);
}


/* ============================================================
   MESSAGES
   ============================================================ */

.message {
  display: flex;
  gap: var(--space-md);
  animation: message-in var(--transition-slow) ease-out;
  max-width: 90%;
}

@keyframes message-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 1px;
}

.ai-message .message-avatar {
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-blue));
  color: var(--color-bg-deep);
  box-shadow: var(--glow-cyan);
}

.user-message .message-avatar {
  background: linear-gradient(135deg, var(--color-accent-magenta), var(--color-accent-pink));
  color: var(--color-bg-deep);
  box-shadow: var(--glow-magenta);
}

.message-content {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.ai-message .message-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--color-text-primary);
}

.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.user-message .message-content {
  background: var(--color-bg-elevated);
  border: 1px solid rgba(255, 0, 255, 0.15);
  color: var(--color-text-primary);
}

/* --- Replay button on AI messages --- */
.message-actions {
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-sm);
}

.replay-button {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  transition: all var(--transition-fast);
}

.replay-button:hover {
  color: var(--color-accent-cyan);
  border-color: var(--border-color-strong);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
}

.replay-button.replaying {
  color: var(--color-accent-magenta);
  border-color: rgba(255, 0, 255, 0.3);
}

.replay-button svg {
  width: 14px;
  height: 14px;
}


/* ============================================================
   INPUT AREA
   ============================================================ */

.input-area {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  background: var(--color-bg-primary);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  position: relative;
}

.input-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent,
      var(--color-accent-magenta),
      var(--color-accent-cyan),
      var(--color-accent-magenta),
      transparent);
  opacity: 0.5;
}

.input-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.input-wrapper:focus-within {
  border-color: var(--border-color-strong);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.08);
}

#text-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: var(--space-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
}

#text-input::placeholder {
  color: var(--color-text-muted);
}

.send-button {
  background: transparent;
  border: none;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.send-button:hover {
  color: var(--color-accent-cyan);
}

.send-button svg {
  width: 18px;
  height: 18px;
}

/* Stop Audio Button */
.stop-audio-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid #ff4444;
  background: rgba(255, 68, 68, 0.15);
  color: #ff4444;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  animation: stop-pulse 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

.stop-audio-btn:hover {
  background: rgba(255, 68, 68, 0.3);
  box-shadow: 0 0 15px rgba(255, 68, 68, 0.3);
}

.stop-audio-btn svg {
  width: 18px;
  height: 18px;
}

.stop-audio-btn.hidden {
  display: none;
}

@keyframes stop-pulse {

  0%,
  100% {
    box-shadow: 0 0 5px rgba(255, 68, 68, 0.2);
  }

  50% {
    box-shadow: 0 0 15px rgba(255, 68, 68, 0.4);
  }
}


/* ============================================================
   MIC BUTTON
   ============================================================ */

.mic-button {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-accent-cyan);
  background: var(--color-bg-surface);
  color: var(--color-accent-cyan);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.mic-button:hover {
  background: var(--color-bg-elevated);
  box-shadow: var(--glow-cyan);
  transform: scale(1.05);
}

.mic-button.listening {
  border-color: var(--color-accent-pink);
  color: var(--color-accent-pink);
  background: rgba(255, 45, 149, 0.1);
  box-shadow: var(--glow-pink);
  animation: mic-glow 1s ease-in-out infinite;
}

@keyframes mic-glow {

  0%,
  100% {
    box-shadow: 0 0 10px rgba(255, 45, 149, 0.3);
  }

  50% {
    box-shadow: 0 0 25px rgba(255, 45, 149, 0.5), 0 0 50px rgba(255, 45, 149, 0.2);
  }
}

.mic-button .mic-icon,
.mic-button .stop-icon {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
}

.mic-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-accent-pink);
  opacity: 0;
  pointer-events: none;
}

.mic-button.listening .mic-pulse {
  animation: pulse-ring 1.5s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.hidden {
  display: none !important;
}


/* ============================================================
   TRANSCRIPT PREVIEW (live speech)
   ============================================================ */

.transcript-preview {
  min-height: 20px;
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-accent-pink);
  opacity: 0.8;
  text-align: center;
  letter-spacing: 0.5px;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .app-container {
    flex-direction: column;
  }

  .avatar-panel {
    width: 100%;
    min-width: 100%;
    flex-direction: row;
    padding: var(--space-md);
    gap: var(--space-md);
    justify-content: flex-start;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .avatar-panel::after {
    display: none;
  }

  .avatar-screen {
    width: 80px;
    height: 80px;
  }

  .avatar-crt-border {
    padding: 3px;
  }

  .audio-visualizer {
    display: none;
  }

  .avatar-label h1 {
    font-size: var(--font-size-lg);
    letter-spacing: 1px;
  }

  .subtitle {
    display: none;
  }

  /* Hide persona/voice pickers on mobile — keeps input visible */
  .persona-toggle,
  .voice-selector,
  .status-indicator {
    display: none;
  }

  /* Fix mobile scrolling — flex children must shrink below content */
  .chat-panel {
    min-height: 0;
  }

  .chat-area {
    min-height: 0;
    overflow: auto;
  }

  .chat-messages {
    padding: 0 var(--space-md);
  }

  .input-area {
    padding: var(--space-sm) var(--space-md);
    padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
  }

  .message {
    max-width: 95%;
  }

  .mic-button {
    width: 48px;
    height: 48px;
  }
}


/* ============================================================
   PERSONA TOGGLE
   ============================================================ */

.persona-toggle {
  display: flex;
  gap: var(--space-xs);
  width: 100%;
  max-width: 300px;
}

.persona-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-xs);
  background: var(--color-bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
}

.persona-btn:hover {
  background: var(--color-bg-elevated);
  border-color: var(--border-color-strong);
  color: var(--color-text-secondary);
}

.persona-btn.active {
  background: var(--color-bg-elevated);
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

.persona-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.persona-name {
  font-size: 0.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- Persona-Specific Accent Overrides --- */
[data-persona="static"] .persona-btn.active,
[data-persona="static"] .avatar-label h1,
[data-persona="static"] .status-dot {
  border-color: #b388ff;
  color: #b388ff;
  box-shadow: 0 0 12px rgba(179, 136, 255, 0.3);
}

[data-persona="static"] .avatar-label h1 {
  text-shadow: 0 0 8px rgba(179, 136, 255, 0.6);
}

[data-persona="static"] .avatar-panel::after {
  background: linear-gradient(to bottom,
      transparent,
      #b388ff,
      #7c4dff,
      #b388ff,
      transparent);
}

[data-persona="stinger"] .persona-btn.active,
[data-persona="stinger"] .avatar-label h1,
[data-persona="stinger"] .status-dot {
  border-color: #ffd740;
  color: #ffd740;
  box-shadow: 0 0 12px rgba(255, 215, 64, 0.3);
}

[data-persona="stinger"] .avatar-label h1 {
  text-shadow: 0 0 8px rgba(255, 215, 64, 0.6);
}

[data-persona="stinger"] .avatar-panel::after {
  background: linear-gradient(to bottom,
      transparent,
      #ffd740,
      #ffab00,
      #ffd740,
      transparent);
}

[data-persona="banter"] .persona-btn.active,
[data-persona="banter"] .avatar-label h1,
[data-persona="banter"] .status-dot {
  border-color: #ff6e40;
  color: #ff6e40;
  box-shadow: 0 0 12px rgba(255, 110, 64, 0.3);
}

[data-persona="banter"] .avatar-label h1 {
  text-shadow: 0 0 8px rgba(255, 110, 64, 0.6);
}

[data-persona="banter"] .avatar-panel::after {
  background: linear-gradient(to bottom,
      transparent,
      #b388ff,
      #ff6e40,
      #ffd740,
      transparent);
}

/* --- Banter mode dual labels in chat --- */
.banter-label {
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 1px;
  margin-right: var(--space-sm);
}

.banter-label-static {
  color: #b388ff;
}

.banter-label-stinger {
  color: #ffd740;
}