frontend/src/ui/voice/voiceMode.css

/**
 * HomePilot Voice Mode - Grok-style CSS
 *
 * Design tokens and styles for the modern Voice UI.
 */

:root {
  /* HomePilot Grok Theme - Core Colors */
  --hp-bg: #000000;
  --hp-surface: rgba(20, 24, 36, 0.65);
  --hp-surface-solid: #121212;
  --hp-surface-hover: #1a1a1a;
  --hp-surface-active: #2a2a2a;

  /* Borders */
  --hp-border: rgba(255, 255, 255, 0.10);
  --hp-border-hover: rgba(255, 255, 255, 0.16);
  --hp-border-active: rgba(255, 255, 255, 0.20);

  /* ===== Grok "void" text palette (sampled from Grok UI) ===== */
  --grok-fg-primary: #E9E8E7;     /* main content text - near white */
  --grok-fg-secondary: #8C8C8C;   /* placeholders, helper copy */
  --grok-fg-tertiary: rgba(233, 232, 231, 0.58);
  --grok-fg-quaternary: rgba(233, 232, 231, 0.42);

  /* Map Grok -> HomePilot tokens */
  --hp-text: var(--grok-fg-primary);
  --hp-text-dim: var(--grok-fg-secondary);
  --hp-text-muted: var(--grok-fg-tertiary);
  --hp-text-faint: var(--grok-fg-quaternary);

  /* Subtle "void print" glow for text */
  --hp-text-glow: 0 0 12px rgba(233, 232, 231, 0.06);

  /* Accent/Glow colors */
  --hp-glow-blue: #97C4FF;
  --hp-glow-orange: #FF6308;
  --hp-glow-silver: #BDC9E6;

  /* Radius */
  --hp-radius-sm: 8px;
  --hp-radius-md: 12px;
  --hp-radius-lg: 16px;
  --hp-radius-xl: 20px;
  --hp-radius-2xl: 24px;
  --hp-radius-pill: 9999px;

  /* Shadows */
  --hp-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  --hp-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.9);
}

/* Main container */
.hp-voice-root {
  height: 100vh;
  max-height: 100vh;
  background: var(--hp-bg);
  color: var(--hp-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Starfield background */
.hp-stars {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(1px 1px at 20px 30px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 40px 70px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 50px 160px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 90px 40px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 130px 80px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 160px 120px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 200px 50px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 250px 180px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 300px 100px, #ffffff, rgba(0,0,0,0));
  background-size: 350px 350px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

/* Custom scrollbar */
.hp-scroll::-webkit-scrollbar {
  width: 4px;
}

.hp-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.hp-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
}

.hp-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Voice bar glow effect - opacity controlled by React for dynamic states */
.hp-glow-wrap {
  filter: blur(28px);
  opacity: 1;  /* Let React control opacity via glowOpacity */
  pointer-events: none;
}

/* Breathing animation for SPEAKING state - crystal reflection effect */
@keyframes hpGlowBreath {
  0%, 100% { transform: translateY(0); filter: blur(28px); }
  50%      { transform: translateY(-2px); filter: blur(30px); }
}

.hp-glow-breath {
  animation: hpGlowBreath 2.2s ease-in-out infinite;
}

.hp-glow-wrap .g1 {
  background: var(--hp-glow-blue);
  opacity: 0.55;
}

.hp-glow-wrap .g2 {
  background: var(--hp-glow-orange);
  opacity: 0.30;
}

.hp-glow-wrap .g3 {
  background: var(--hp-glow-silver);
  opacity: 0.55;
}

/* Speed slider styling */
.hp-slider {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  height: 36px;
  cursor: pointer;
}

.hp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 24px;
  width: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  margin-top: 6px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.hp-slider::-webkit-slider-runnable-track {
  width: 100%;
  height: 36px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--hp-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hp-slider:focus {
  outline: none;
}

.hp-slider::-moz-range-thumb {
  height: 24px;
  width: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.hp-slider::-moz-range-track {
  width: 100%;
  height: 36px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--hp-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Waveform animation */
@keyframes hp-waveform {
  0%, 100% {
    height: 8px;
  }
  50% {
    height: 24px;
  }
}

.hp-waveform-bar {
  animation: hp-waveform 1s ease-in-out infinite;
}

/* Pulse animation */
@keyframes hp-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.hp-pulse {
  animation: hp-pulse 2s ease-in-out infinite;
}

/* Typewriter cursor blink animation */
@keyframes hp-cursor-blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.hp-cursor {
  animation: hp-cursor-blink 0.8s step-end infinite;
}

/* Fade in animation */
@keyframes hp-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hp-fade-in {
  animation: hp-fade-in 0.3s ease-out forwards;
}

/* Slide up animation */
@keyframes hp-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hp-slide-up {
  animation: hp-slide-up 0.3s ease-out forwards;
}

/* Button styles */
.hp-btn {
  height: 40px;
  padding: 0 14px;
  border-radius: var(--hp-radius-pill);
  border: 1px solid var(--hp-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--hp-text);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.hp-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--hp-border-hover);
}

.hp-btn.hp-btn-primary {
  background: rgba(151, 196, 255, 0.10);
  border-color: rgba(151, 196, 255, 0.22);
}

.hp-btn.hp-btn-primary:hover {
  background: rgba(151, 196, 255, 0.15);
  border-color: rgba(151, 196, 255, 0.30);
}

.hp-btn.hp-btn-ghost {
  background: transparent;
  border-color: transparent;
}

.hp-btn.hp-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Card styles */
.hp-card {
  background: var(--hp-surface-solid);
  border: 1px solid var(--hp-border);
  border-radius: var(--hp-radius-lg);
  backdrop-filter: blur(20px);
}

.hp-card:hover {
  border-color: var(--hp-border-hover);
}

.hp-card.hp-card-selected {
  background: var(--hp-surface-active);
  border-color: var(--hp-border-active);
}

/* Panel styles */
.hp-panel {
  background: rgba(18, 18, 18, 0.95);
  border: 1px solid var(--hp-border);
  border-radius: var(--hp-radius-2xl);
  backdrop-filter: blur(20px);
  box-shadow: var(--hp-shadow-lg);
}

/* Input styles */
.hp-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: var(--hp-text);
  font-size: 15px;
  padding: 12px;
}

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

/* Voice bar */
.hp-voicebar {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--hp-radius-2xl);
  background: rgba(22, 22, 22, 0.90);
  border: 1px solid var(--hp-border);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  overflow: visible;
  position: relative;
}

/* Message bubbles */
.hp-message-user {
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.08);  /* Grok-style subtle border */
  border-radius: var(--hp-radius-lg);
  padding: 14px 20px;
  max-width: 80%;
  margin-left: auto;
}

.hp-message-assistant {
  color: var(--hp-text);  /* Grok-style: bright primary text */
  line-height: 1.6;
  text-shadow: var(--hp-text-glow);  /* Subtle void print effect */
}

/* ============================================================
   Mini Studio Meter - Professional audio level visualizer
   Fits inside the mic button pill, 5 animated bars
   Features: attack/release smoothing, intensity colors, micro jitter
   ============================================================ */
.hp-mini-studio {
  width: 18px;
  height: 14px;
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  opacity: 0.95;
}

.hp-mini-studio-bar {
  width: 2px;
  height: 100%;
  border-radius: 999px;
  transform-origin: bottom;
  background: var(--hp-meter-color, rgba(255, 255, 255, 0.70));
  transition: transform 70ms linear, filter 180ms ease, opacity 180ms ease;
}

/* Idle state: subtle "dots" feel - calm when not speaking */
.hp-mini-studio--idle {
  opacity: 0.55;
}

.hp-mini-studio--idle .hp-mini-studio-bar {
  background: rgba(255, 255, 255, 0.28);
  filter: none;
}

/* Hot/Active state: richer, glowy bars when speaking */
.hp-mini-studio--hot .hp-mini-studio-bar {
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.18));
}

/* AI Speaking state: calmer white glow with slight pulse */
.hp-mini-studio--ai .hp-mini-studio-bar {
  filter: drop-shadow(0 0 8px rgba(233, 232, 231, 0.22));
}

/* Subtle pulse animation for AI speaking state */
@keyframes hp-studio-pulse {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 1; }
}

.hp-mini-studio--ai {
  animation: hp-studio-pulse 1.5s ease-in-out infinite;
}