@import "https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--bg-primary:#0b0b0b;--bg-secondary:#111;--bg-tertiary:#1a1a1a;--bg-hover:#222;--bg-active:#2a2a2a;--text-primary:#f2f2f2;--text-secondary:#aaa;--text-muted:#666;--text-dim:#444;--border-primary:#f2f2f2;--border-secondary:#333;--border-dim-color:#1f1f1f;--accent-sent:#666;--accent-delivered:#999;--accent-read:#4a9eff;--accent-danger:#f33;--accent-success:#3f7;--accent-warning:#fa3;--font-mono:"Space Mono", monospace;--font-sans:"Inter", -apple-system, sans-serif;--border-thick:3px solid var(--border-primary);--border-thin:1px solid var(--border-secondary);--border-dim:1px solid var(--border-dim-color);--tr-instant:80ms cubic-bezier(.22, 1, .36, 1);--tr-fast:.15s cubic-bezier(.22, 1, .36, 1);--tr-normal:.25s cubic-bezier(.22, 1, .36, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);width:100vw;height:100vh;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-secondary)}::selection{background:var(--text-primary);color:var(--bg-primary)}:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px}.app-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{border-right:var(--border-thick);background:var(--bg-primary);flex-direction:column;width:380px;min-width:380px;height:100vh;display:flex}.main-panel{flex-direction:column;flex:1;height:100vh;display:flex;position:relative}.sidebar-header{border-bottom:var(--border-thick);justify-content:space-between;align-items:center;min-height:72px;padding:20px 24px;display:flex}.sidebar-header h1{font-family:var(--font-mono);letter-spacing:4px;text-transform:uppercase;font-size:18px;font-weight:700}.status-dot{background:var(--accent-success);width:8px;height:8px;margin-left:8px;animation:2s ease-in-out infinite pulse-dot;display:inline-block}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.search-container{border-bottom:var(--border-thin);padding:16px 24px}.search-input{background:var(--bg-secondary);border:2px solid var(--border-secondary);width:100%;color:var(--text-primary);font-family:var(--font-mono);letter-spacing:1px;transition:border-color var(--tr-fast);padding:12px 16px;font-size:13px}.search-input::placeholder{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;font-size:11px}.search-input:focus{border-color:var(--text-primary);outline:none}.conversation-list{flex:1;overflow-y:auto}.conversation-item{border-bottom:var(--border-dim);cursor:pointer;transition:background var(--tr-instant);align-items:center;padding:16px 24px;display:flex;position:relative}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--bg-tertiary);border-left:3px solid var(--text-primary)}.conv-avatar{background:var(--bg-tertiary);border:2px solid var(--border-secondary);width:44px;height:44px;font-family:var(--font-mono);text-transform:uppercase;flex-shrink:0;justify-content:center;align-items:center;margin-right:14px;font-size:16px;font-weight:700;display:flex}.conv-details{flex:1;min-width:0}.conv-name{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:14px;font-weight:600;overflow:hidden}.conv-preview{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.conv-meta{flex-direction:column;align-items:flex-end;gap:6px;margin-left:12px;display:flex}.conv-time{font-family:var(--font-mono);color:var(--text-muted);letter-spacing:1px;font-size:10px}.conv-unread{background:var(--text-primary);min-width:20px;height:20px;color:var(--bg-primary);font-family:var(--font-mono);justify-content:center;align-items:center;padding:0 6px;font-size:10px;font-weight:700;display:flex}.chat-header{border-bottom:var(--border-thick);background:var(--bg-primary);justify-content:space-between;align-items:center;min-height:72px;padding:16px 24px;display:flex}.chat-header-left{align-items:center;gap:14px;display:flex}.chat-header-info h2{font-size:16px;font-weight:700}.chat-header-info .typing-indicator{font-family:var(--font-mono);color:var(--accent-success);letter-spacing:1px;font-size:11px}.chat-header-actions{gap:4px;display:flex}.header-btn{border:2px solid var(--border-secondary);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;transition:all var(--tr-instant);background:0 0;justify-content:center;align-items:center;font-size:16px;display:flex}.header-btn:hover{border-color:var(--text-primary);color:var(--text-primary);background:var(--bg-hover)}.header-btn.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.messages-container{flex-direction:column;flex:1;gap:4px;padding:24px;display:flex;overflow-y:auto}.message-group{flex-direction:column;gap:2px;max-width:70%;display:flex}.message-group.outgoing{align-self:flex-end}.message-group.incoming{align-self:flex-start}.message-sender{font-family:var(--font-mono);color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:4px;padding-left:2px;font-size:10px}.message-bubble{border:2px solid var(--border-secondary);background:var(--bg-secondary);padding:12px 16px;position:relative}.message-group.outgoing .message-bubble{border-color:var(--text-muted);background:var(--bg-tertiary)}.message-text{word-wrap:break-word;font-size:14px;line-height:1.5}.message-footer{justify-content:flex-end;align-items:center;gap:6px;margin-top:6px;display:flex}.message-time{font-family:var(--font-mono);color:var(--text-muted);letter-spacing:1px;font-size:10px}.delivery-ticks{align-items:center;gap:1px;display:inline-flex}.tick{font-size:12px;line-height:1}.tick.sent{color:var(--accent-sent)}.tick.delivered{color:var(--accent-delivered)}.tick.read{color:var(--accent-read)}.input-container{border-top:var(--border-thick);background:var(--bg-primary);align-items:flex-end;gap:12px;padding:16px 24px;display:flex}.message-input-wrapper{flex:1;position:relative}.message-input{background:var(--bg-secondary);border:2px solid var(--border-secondary);width:100%;min-height:48px;max-height:160px;color:var(--text-primary);font-family:var(--font-sans);resize:none;transition:border-color var(--tr-fast);padding:14px 16px;font-size:14px;line-height:1.4}.message-input::placeholder{color:var(--text-muted)}.message-input:focus{border-color:var(--text-primary);outline:none}.send-btn{background:var(--text-primary);width:48px;height:48px;color:var(--bg-primary);cursor:pointer;transition:all var(--tr-instant);border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;font-weight:900;display:flex}.send-btn:hover{transform:scale(1.05)}.send-btn:active{transform:scale(.95)}.send-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}.telemetry-panel{border-left:var(--border-thick);background:var(--bg-primary);flex-direction:column;width:320px;min-width:320px;height:100vh;display:flex;overflow-y:auto}.telemetry-header{border-bottom:var(--border-thick);justify-content:space-between;align-items:center;min-height:72px;padding:20px;display:flex}.telemetry-header h3{font-family:var(--font-mono);letter-spacing:3px;text-transform:uppercase;font-size:12px;font-weight:700}.telemetry-toggle{background:var(--bg-tertiary);border:2px solid var(--border-secondary);cursor:pointer;width:44px;height:24px;transition:all var(--tr-fast);position:relative}.telemetry-toggle.active{background:var(--text-primary);border-color:var(--text-primary)}.toggle-knob{background:var(--text-muted);width:16px;height:16px;transition:all var(--tr-fast);position:absolute;top:2px;left:2px}.telemetry-toggle.active .toggle-knob{background:var(--bg-primary);left:22px}.telemetry-content{flex-direction:column;gap:20px;padding:20px;display:flex}.tel-section{border:2px solid var(--border-secondary);padding:16px}.tel-section-title{font-family:var(--font-mono);letter-spacing:3px;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px;font-size:10px;font-weight:700}.tel-metric{border-bottom:var(--border-dim);justify-content:space-between;align-items:baseline;padding:6px 0;display:flex}.tel-metric:last-child{border-bottom:none}.tel-metric-label{font-family:var(--font-mono);color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:11px}.tel-metric-value{font-family:var(--font-mono);font-size:14px;font-weight:700}.tel-bar{background:var(--bg-tertiary);height:4px;margin-top:4px}.tel-bar-fill{background:var(--text-primary);height:100%;transition:width var(--tr-normal)}.tel-model-badge{font-family:var(--font-mono);border:2px solid var(--border-secondary);letter-spacing:1px;padding:8px 12px;font-size:12px;display:inline-block}.empty-state{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.empty-state h2{font-family:var(--font-mono);letter-spacing:6px;text-transform:uppercase;font-size:24px;font-weight:700}.empty-state p{color:var(--text-muted);font-size:13px;font-family:var(--font-mono);letter-spacing:2px}.skeleton{background:var(--bg-tertiary);position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000,#f2f2f208,#0000);animation:1.5s infinite shimmer;position:absolute;inset:0}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.loading-spinner{border:2px solid var(--border-secondary);border-top-color:var(--text-primary);width:24px;height:24px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.encryption-badge{font-family:var(--font-mono);color:var(--text-dim);letter-spacing:2px;text-transform:uppercase;align-items:center;gap:6px;padding:8px 0;font-size:9px;display:inline-flex}.device-item{border:2px solid var(--border-secondary);transition:border-color var(--tr-fast);justify-content:space-between;align-items:center;margin-bottom:8px;padding:14px 16px;display:flex}.device-item:hover{border-color:var(--text-muted)}.device-info{align-items:center;gap:12px;display:flex}.device-name{font-size:13px;font-weight:600}.device-meta{font-family:var(--font-mono);color:var(--text-muted);letter-spacing:1px;font-size:10px}.device-status{width:8px;height:8px}.device-status.online{background:var(--accent-success)}.device-status.offline{background:var(--text-dim)}@media (max-width:768px){.sidebar{width:100%;min-width:100%}.main-panel{display:none}.main-panel.visible{z-index:100;display:flex;position:absolute;inset:0}.telemetry-panel{display:none}}