:root{--bg-color: #050505;--hud-color: #00ffff;--hud-dim: rgba(0, 255, 255, .2);--hud-bg: rgba(0, 20, 20, .9);--text-primary: #e0faff;--text-secondary: #008888;--alert-color: #ff3333}body{margin:0;background-color:var(--bg-color);color:var(--text-primary);font-family:Courier New,Courier,monospace;overflow:hidden;height:100vh}.hud-container{display:flex;flex-direction:column;height:100dvh;max-width:600px;margin:0 auto;border-left:1px solid var(--hud-dim);border-right:1px solid var(--hud-dim);box-shadow:0 0 20px #00ffff0d;position:relative;background:radial-gradient(circle at center,#0a0a0a,#000)}.scan-line{position:absolute;top:0;left:0;width:100%;height:2px;background-color:#00ffff1a;animation:scan 4s linear infinite;pointer-events:none;z-index:10}@keyframes scan{0%{top:0;opacity:0}10%{opacity:1}90%{opacity:1}to{top:100%;opacity:0}}.hud-header{border-bottom:2px solid var(--hud-color);padding:15px;display:flex;justify-content:space-between;align-items:center;background:#001414cc;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.hud-header h1{margin:0;font-size:1.2rem;letter-spacing:2px;text-shadow:0 0 5px var(--hud-color)}.status-indicator{width:10px;height:10px;background-color:var(--hud-color);border-radius:50%;box-shadow:0 0 10px var(--hud-color);animation:pulse 2s infinite}@keyframes pulse{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.chat-window{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px}.message{max-width:85%;padding:10px;border:1px solid var(--hud-dim);background:#00000080;position:relative}.message:before{content:"";position:absolute;top:-1px;left:-1px;width:5px;height:5px;background:var(--hud-color)}.message:after{content:"";position:absolute;bottom:-1px;right:-1px;width:5px;height:5px;background:var(--hud-color)}.message.user{align-self:flex-end;border-color:var(--text-secondary)}.message.user:before,.message.user:after{background:var(--text-secondary)}.message.assistant{align-self:flex-start}.message.system{align-self:center;border:none;color:var(--text-secondary);font-size:.8rem;text-align:center;background:transparent}.message.system:before,.message.system:after{display:none}.message-sender{font-size:.7rem;color:var(--hud-color);margin-bottom:5px;font-weight:700}.message.user .message-sender{color:var(--text-secondary);text-align:right}.message-content{line-height:1.4}.controls{padding:15px;border-top:1px solid var(--hud-dim);display:flex;gap:10px;background:#000c}.msg-input{flex:1;background:transparent;border:1px solid var(--hud-dim);color:var(--text-primary);padding:10px;font-family:inherit;outline:none;transition:box-shadow .3s}.msg-input:focus{box-shadow:0 0 10px var(--hud-dim);border-color:var(--hud-color)}button{background:transparent;border:1px solid var(--hud-color);color:var(--hud-color);padding:10px 15px;cursor:pointer;font-family:inherit;font-weight:700;text-transform:uppercase;transition:all .2s}button:hover:not(:disabled){background:var(--hud-color);color:#000;box-shadow:0 0 15px var(--hud-color)}button:disabled{opacity:.5;cursor:not-allowed;border-color:#555;color:#555}.location-btn{font-size:1.2rem;padding:5px 10px;display:flex;align-items:center;justify-content:center}