@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

  :root {
    --neon-cyan: #00ffff;
    --neon-green: #00ff88;
    --neon-purple: #bf00ff;
    --neon-red: #ff0044;
    --neon-orange: #ff6600;
    --background-photo: url('/assets/apollo.png');
    --bg: #020a0f;
    --surface: rgba(2, 10, 15, 0.66);
    --surface-strong: rgba(2, 10, 15, 0.84);
    --surface-soft: rgba(2, 10, 15, 0.28);
    --panel: rgba(0, 255, 255, 0.06);
    --border: rgba(0, 255, 255, 0.15);
    --text: #a0f0f0;
    --dim: rgba(0,255,255,0.4);
  }

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

  body {
    background:
      linear-gradient(rgba(2, 10, 15, 0.18), rgba(2, 10, 15, 0.5)),
      var(--background-photo) center / cover fixed no-repeat,
      var(--bg);
    color: var(--text);
    font-family: 'Share Tech Mono', monospace;
    height: 100vh;
    overflow: hidden;
    cursor: none;
  }

  /* Scanline overlay */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,255,255,0.015) 2px,
      rgba(0,255,255,0.015) 4px
    );
    pointer-events: none;
    z-index: 1000;
  }

  /* Vignette */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.58) 100%);
    pointer-events: none;
    z-index: 999;
  }

  /* Custom cursor */
  #cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    border: 1px solid var(--neon-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.1s, height 0.1s, border-color 0.1s;
    box-shadow: 0 0 8px var(--neon-cyan);
  }

  #cursor.pinch {
    width: 24px;
    height: 24px;
    border-color: var(--neon-green);
    box-shadow: 0 0 16px var(--neon-green);
  }

  /* Layout */
  #app {
    display: grid;
    grid-template-columns: 280px 1fr 260px;
    grid-template-rows: 60px 1fr 180px;
    height: 100vh;
    gap: 1px;
    background: var(--border);
    position: relative;
  }

  /* Header */
  #header {
    grid-column: 1 / -1;
    background: var(--surface-strong);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: relative;
    overflow: hidden;
  }

  #header::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: scanH 3s linear infinite;
  }

  @keyframes scanH {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
  }

  .logo {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: 6px;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan), 0 0 40px rgba(0,255,255,0.3);
  }

  .logo span { color: var(--neon-green); }

  .header-meta {
    font-size: 10px;
    color: var(--dim);
    letter-spacing: 2px;
    display: flex;
    gap: 24px;
  }

  .status-dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--neon-red);
    margin-right: 6px;
    animation: pulse 2s infinite;
  }

  .status-dot.active {
    background: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-green);
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  /* Left panel - gesture legend */
  #left-panel {
    background: var(--surface);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
    position: relative;
  }

  .panel-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--dim);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 4px;
  }

  .gesture-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 2px;
    background: var(--panel);
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }

  .gesture-item.active-gesture {
    border-color: var(--neon-cyan);
    background: rgba(0,255,255,0.08);
    box-shadow: 0 0 12px rgba(0,255,255,0.2), inset 0 0 12px rgba(0,255,255,0.05);
  }

  .gesture-item.active-gesture::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan);
  }

  .gesture-emoji { font-size: 20px; width: 28px; text-align: center; }

  .gesture-info { flex: 1; }

  .gesture-name {
    font-size: 11px;
    color: var(--neon-cyan);
    letter-spacing: 1px;
  }

  .gesture-desc {
    font-size: 9px;
    color: var(--dim);
    margin-top: 2px;
    letter-spacing: 0.5px;
  }

  .confidence-bar {
    height: 2px;
    background: rgba(0,255,255,0.1);
    border-radius: 1px;
    margin-top: 4px;
    overflow: hidden;
  }

  .confidence-fill {
    height: 100%;
    background: var(--neon-cyan);
    width: 0%;
    transition: width 0.15s;
    box-shadow: 0 0 6px var(--neon-cyan);
  }

  /* Camera feed */
  #camera-panel {
    background: var(--surface-soft);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #video { display: none; }

  #handCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  #gestureOverlay {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Orbitron', sans-serif;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan);
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
    background: rgba(0,20,30,0.8);
    padding: 6px 16px;
    border: 1px solid var(--neon-cyan);
    border-radius: 2px;
  }

  .cam-corner {
    position: absolute;
    width: 20px; height: 20px;
    border-color: var(--neon-cyan);
    border-style: solid;
    opacity: 0.6;
  }
  .cam-corner.tl { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
  .cam-corner.tr { top: 10px; right: 10px; border-width: 2px 2px 0 0; }
  .cam-corner.bl { bottom: 10px; left: 10px; border-width: 0 0 2px 2px; }
  .cam-corner.br { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }

  #camLabel {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--dim);
  }

  #startCamBtn {
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    letter-spacing: 3px;
    padding: 14px 28px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(0,255,255,0.1);
    position: relative;
    z-index: 10;
  }

  #startCamBtn:hover {
    background: rgba(0,255,255,0.1);
    box-shadow: 0 0 30px rgba(0,255,255,0.3);
  }

  /* Right panel - stats */
  #right-panel {
    background: var(--surface);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
  }

  #right-panel > .gesture-item {
    min-height: 48px;
    padding: 7px 8px;
  }

  #right-panel .gesture-emoji {
    font-size: 18px;
    width: 24px;
  }

  #right-panel .gesture-name {
    font-size: 10px;
  }

  #right-panel .gesture-desc {
    font-size: 8px;
    line-height: 1.25;
    white-space: normal;
  }

  .stat-block {
    border: 1px solid var(--border);
    padding: 9px 10px;
    background: var(--panel);
    border-radius: 2px;
  }

  .stat-label {
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--dim);
    margin-bottom: 6px;
  }

  .stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0,255,255,0.5);
  }

  .stat-value.green { color: var(--neon-green); text-shadow: 0 0 10px rgba(0,255,136,0.5); }
  .stat-value.purple { color: var(--neon-purple); text-shadow: 0 0 10px rgba(191,0,255,0.5); }

  .preset-editor {
    display: flex;
    flex-direction: column;
    gap: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 2px;
    padding: 8px;
  }

  .preset-editor summary {
    color: var(--dim);
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    font-size: 8px;
    letter-spacing: 2px;
    list-style: none;
  }

  .preset-editor summary::-webkit-details-marker {
    display: none;
  }

  .preset-editor[open] summary {
    color: var(--neon-cyan);
    margin-bottom: 6px;
  }

  .preset-editor input {
    width: 100%;
    min-height: 30px;
    background: rgba(0,255,255,0.02);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'Share Tech Mono', monospace;
    font-size: 8px;
    line-height: 1.3;
    padding: 6px 8px;
    outline: none;
    border-radius: 2px;
    text-overflow: ellipsis;
  }

  .preset-editor input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0,255,255,0.12);
  }

  .control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .control-btn {
    min-height: 30px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--neon-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 8px;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 2px;
  }

  .control-btn.active {
    color: var(--neon-green);
    border-color: var(--neon-green);
    background: rgba(0,255,136,0.08);
    box-shadow: 0 0 14px rgba(0,255,136,0.16);
  }

  .debug-panel {
    min-height: 96px;
    max-height: 150px;
    overflow: auto;
    border: 1px solid var(--border);
    color: var(--dim);
    background: rgba(0,255,255,0.02);
    font-size: 9px;
    line-height: 1.5;
    padding: 8px;
    white-space: pre-wrap;
  }

  /* Chat panel */
  #chat-panel {
    grid-column: 1 / -1;
    background: var(--surface);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    position: relative;
  }

  #messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }

  .message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: msgIn 0.3s ease;
  }

  @keyframes msgIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .msg-tag {
    font-family: 'Orbitron', sans-serif;
    font-size: 8px;
    letter-spacing: 2px;
    padding: 2px 6px;
    border-radius: 1px;
    white-space: nowrap;
    margin-top: 2px;
    flex-shrink: 0;
  }

  .msg-tag.user {
    background: rgba(0,255,136,0.1);
    border: 1px solid rgba(0,255,136,0.3);
    color: var(--neon-green);
  }

  .msg-tag.ai {
    background: rgba(0,255,255,0.1);
    border: 1px solid rgba(0,255,255,0.3);
    color: var(--neon-cyan);
  }

  .msg-text {
    font-size: 12px;
    line-height: 1.7;
    color: var(--text);
    flex: 1;
  }

  /* Input bar */
  #input-bar {
    border-top: 1px solid var(--border);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0,255,255,0.02);
    position: relative;
  }

  #input-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.5;
  }

  #gestureInput {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--neon-cyan);
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    padding: 8px 14px;
    outline: none;
    border-radius: 2px;
    transition: border-color 0.2s;
    letter-spacing: 1px;
  }

  #gestureInput:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0,255,255,0.1);
  }

  #gestureInput::placeholder { color: rgba(0,255,255,0.25); letter-spacing: 2px; }

  #sendBtn {
    background: transparent;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    font-family: 'Orbitron', sans-serif;
    font-size: 9px;
    letter-spacing: 2px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s;
  }

  #sendBtn:hover, #sendBtn.pinch-ready {
    background: rgba(0,255,136,0.15);
    box-shadow: 0 0 20px rgba(0,255,136,0.3);
  }

  .input-hint {
    font-size: 9px;
    color: var(--dim);
    letter-spacing: 1px;
    white-space: nowrap;
  }

  /* Gesture ripple */
  .gesture-ripple {
    position: fixed;
    width: 0; height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,255,255,0.4) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    animation: rippleOut 0.6s ease-out forwards;
  }

  @keyframes rippleOut {
    to { width: 120px; height: 120px; opacity: 0; }
  }

  /* Typing indicator */
  .typing {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 4px 0;
  }

  .typing-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--neon-cyan);
    animation: typingPulse 1s infinite;
  }

  .typing-dot:nth-child(2) { animation-delay: 0.2s; }
  .typing-dot:nth-child(3) { animation-delay: 0.4s; }

  @keyframes typingPulse {
    0%, 100% { opacity: 0.2; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-3px); }
  }

  /* No-cam message */
  .no-cam-msg {
    text-align: center;
    color: var(--dim);
    font-size: 11px;
    letter-spacing: 2px;
    line-height: 2;
  }

  /* Glitch text animation */
  @keyframes glitch {
    0%, 100% { clip-path: inset(0 0 100% 0); }
    10% { clip-path: inset(10% 0 80% 0); transform: translate(-2px, 0); }
    20% { clip-path: inset(40% 0 50% 0); transform: translate(2px, 0); }
    30% { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  }

  /* Finger trail canvas */
  #trailCanvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 998;
  }

  /* Pinch progress ring */
  #pinchRing {
    position: fixed;
    width: 60px;
    height: 60px;
    pointer-events: none;
    z-index: 9997;
    transform: translate(-50%, -50%);
    display: none;
  }

  #pinchRing svg {
    transform: rotate(-90deg);
  }

  #pinchProgress {
    stroke-dasharray: 157;
    stroke-dashoffset: 157;
    transition: stroke-dashoffset 0.05s;
  }

  /* System boot sequence */
  #bootScreen {
    position: fixed;
    inset: 0;
    background:
      linear-gradient(rgba(2, 10, 15, 0.2), rgba(2, 10, 15, 0.68)),
      var(--background-photo) center / cover no-repeat,
      var(--bg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    color: var(--neon-cyan);
    letter-spacing: 2px;
  }

  #bootScreen .boot-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    font-weight: 900;
    letter-spacing: 10px;
    color: var(--neon-cyan);
    text-shadow: 0 0 40px var(--neon-cyan), 0 0 80px rgba(0,255,255,0.3);
    margin-bottom: 24px;
  }

  .boot-line { opacity: 0; color: var(--dim); }
  .boot-line.done { opacity: 1; color: var(--neon-green); }
  .boot-line.active { opacity: 1; color: var(--neon-cyan); }

  #apiKeySection {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
  }

  #apiKeyStatus {
    color: var(--dim);
    font-size: 10px;
    letter-spacing: 2px;
  }

  #initBtn {
    background: transparent;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    font-family: 'Orbitron', sans-serif;
    font-size: 10px;
    letter-spacing: 3px;
    padding: 10px 24px;
    cursor: pointer;
    transition: all 0.2s;
  }

  #initBtn:hover {
    background: rgba(0,255,136,0.1);
    box-shadow: 0 0 20px rgba(0,255,136,0.3);
  }