*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0a0a0f;--bg-surface: rgba(255, 255, 255, .04);--bg-surface-hover: rgba(255, 255, 255, .07);--bg-card: rgba(255, 255, 255, .06);--border: rgba(255, 255, 255, .08);--border-focus: rgba(139, 92, 246, .5);--text: #f1f5f9;--text-muted: #64748b;--text-dim: #475569;--accent: #8b5cf6;--accent-hover: #7c3aed;--accent-glow: rgba(139, 92, 246, .15);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--sent-bg: rgba(139, 92, 246, .2);--sent-border: rgba(139, 92, 246, .3);--received-bg: rgba(255, 255, 255, .06);--received-border: rgba(255, 255, 255, .1);--radius: 12px;--radius-sm: 8px;--radius-full: 9999px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition: .2s cubic-bezier(.4, 0, .2, 1)}html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-image:radial-gradient(ellipse at 20% 50%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(59,130,246,.06) 0%,transparent 50%)}#app{height:100%}.container{display:flex;flex-direction:column;height:100%;max-width:720px;margin:0 auto;padding:0 16px}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border);flex-shrink:0}.logo{display:flex;align-items:center;gap:10px;color:var(--accent)}.logo h1{font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.status-bar{display:flex;align-items:center;gap:1.5rem}.latency-info{display:flex;align-items:center;gap:.35rem;font-size:.75rem;color:var(--text-muted);background:#ffffff0d;padding:2px 8px;border-radius:6px;animation:fadeIn .3s ease;white-space:nowrap}.latency-info svg{opacity:.6}.status-indicator{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-full);font-size:.8rem;font-weight:500}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);transition:background var(--transition);flex-shrink:0}.status-dot.pulse{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.status-text{color:var(--text);white-space:nowrap}.detail-text{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:24px 0}.lobby{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;flex:1}.lobby-card{text-align:center;padding:40px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);max-width:400px;width:100%}.lobby-icon{color:var(--accent);margin-bottom:16px;opacity:.9}.lobby-card h2{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}.lobby-desc{color:var(--text-muted);font-size:.9rem;line-height:1.5;margin-bottom:32px}.lobby-actions{display:flex;flex-direction:column;gap:16px}.divider{display:flex;align-items:center;gap:16px;color:var(--text-dim);font-size:.8rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.join-group{display:flex;gap:8px}.join-group .input{flex:1;text-align:center;letter-spacing:.2em;font-weight:600;text-transform:uppercase}.room-code-display{text-align:center;padding:24px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.room-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-weight:600}.room-code-row{display:flex;align-items:center;justify-content:center;gap:12px;margin:12px 0}.room-code{font-size:2rem;font-weight:700;letter-spacing:.3em;color:var(--accent);font-variant-numeric:tabular-nums}.room-waiting{font-size:.8rem;color:var(--text-muted)}.chat{display:flex;flex-direction:column;flex:1;overflow:hidden;animation:fadeIn .3s ease-out}.video-container{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;flex-shrink:0}.video-wrapper{position:relative;aspect-ratio:16/9;background:var(--bg-surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;box-shadow:0 4px 12px #0003}.video-wrapper video{width:100%;height:100%;object-fit:cover;background:#000}.video-label{position:absolute;bottom:8px;left:8px;padding:4px 10px;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:var(--radius-sm);font-size:.7rem;font-weight:500;color:#fff;border:1px solid rgba(255,255,255,.1)}.video-wrapper.local{border-color:var(--accent-glow)}.video-wrapper.local video{transform:scaleX(-1)}.video-controls-overlay{position:absolute;top:8px;right:8px;display:flex;gap:6px;z-index:10;opacity:0;transition:opacity .2s ease}.video-wrapper:hover .video-controls-overlay,.video-controls-overlay:hover{opacity:1}.btn-sm{width:28px;height:28px;padding:4px}.btn-icon.active{background:var(--danger);color:#fff;border-color:var(--danger)}.hidden-video{opacity:0;transition:opacity .3s ease}.media-controls{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:16px;padding:12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);flex-shrink:0}.camera-picker,.mic-picker{display:flex;align-items:center;gap:8px;padding:4px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.camera-picker{margin-left:auto}.camera-picker svg,.mic-picker svg{color:var(--text-muted);flex-shrink:0}.select-input{background:transparent;border:none;color:var(--text);font-family:var(--font);font-size:.8rem;font-weight:500;outline:none;cursor:pointer;max-width:150px}.select-input option{background:var(--bg);color:var(--text)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:8px 0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.typing-indicator{display:flex;align-items:center;gap:4px;padding:8px 12px;background:var(--received-bg);border:1px solid var(--received-border);border-radius:var(--radius-sm);max-width:fit-content;margin-bottom:8px;animation:fadeIn .2s ease-out;transition:opacity .2s ease-out,transform .2s ease-out}.typing-indicator.fade-out{opacity:0;transform:translateY(4px)}.typing-dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s ease-in-out infinite}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}.typing-text{font-size:.75rem;color:var(--text-muted);margin-left:4px}.message{padding:10px 14px;border-radius:var(--radius-sm);max-width:80%;word-wrap:break-word;animation:msgIn .2s ease-out;display:flex;align-items:flex-end;gap:10px}@keyframes msgIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.message-sent{align-self:flex-end;background:var(--sent-bg);border:1px solid var(--sent-border)}.message-received{align-self:flex-start;background:var(--received-bg);border:1px solid var(--received-border)}.message-system{align-self:center;background:transparent;border:none;color:var(--text-muted);font-size:.8rem;text-align:center;padding:8px 16px;max-width:100%}.message-text{font-size:.9rem;line-height:1.45}.message-text.emoji-only{font-size:1.5rem}.message-time{font-size:.65rem;color:var(--text-dim);white-space:nowrap;flex-shrink:0}.chat-input-bar{display:flex;gap:8px;padding:12px 0;border-top:1px solid var(--border);flex-shrink:0}.chat-input{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 20px var(--accent-glow)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 0 30px #8b5cf640;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-surface-hover);border-color:#ffffff26}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-muted);cursor:pointer;transition:all var(--transition)}.btn-icon:hover{background:var(--bg-surface-hover);color:var(--text)}.btn-send{padding:10px 14px}.btn-image{padding:10px 14px;background:var(--bg-surface);color:var(--text-muted)}.btn-image:hover:not(:disabled){color:var(--accent);background:var(--bg-surface-hover)}.emoji-container{position:relative;display:flex}.emoji-picker{position:absolute;bottom:calc(100% + 12px);right:0;width:280px;max-height:240px;background:#0f0f19d9;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border);border-radius:var(--radius);padding:12px;display:grid;grid-template-columns:repeat(7,1fr);gap:4px;overflow-y:auto;z-index:1000;box-shadow:0 10px 25px -5px #0006,0 8px 10px -6px #0006;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent;animation:pickerIn .2s cubic-bezier(0,0,.2,1)}@keyframes pickerIn{0%{opacity:0;transform:translateY(10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.emoji-picker::-webkit-scrollbar{width:4px}.emoji-picker::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.emoji-item{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;font-size:1.25rem;background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all var(--transition)}.emoji-item:hover{background:var(--bg-surface-hover);transform:scale(1.1)}.emoji-item:active{transform:scale(.95)}.message-image-container{padding:0;width:50%;background:transparent!important;border:none!important}.message-image-container .message-content{position:relative;border-radius:var(--radius-sm);border:1px solid var(--border);line-height:0}.chat-image{width:100%;height:auto;display:block;background:var(--bg-card);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;pointer-events:auto}.message-image-container .message-time{position:absolute;bottom:8px;right:8px;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:8px 5px;border-radius:4px;color:#fff;font-size:.6rem}.input{padding:10px 14px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:.875rem;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.input::placeholder{color:var(--text-dim)}.input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.footer{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 0;border-top:1px solid var(--border);flex-shrink:0}.footer span{font-size:.7rem;color:var(--text-dim)}.footer-github{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-sm);color:var(--text-muted);transition:all var(--transition)}.footer-github:hover{color:var(--text);background:var(--bg-surface-hover)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(20px);padding:10px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text);font-size:.8rem;font-family:var(--font);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);opacity:0;transition:all .3s ease;z-index:1000;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.hidden{display:none!important}@media(max-width:640px){.header{flex-direction:column;gap:12px;align-items:flex-start}.status-bar{width:100%}.lobby-card{padding:28px 20px}.room-code{font-size:1.5rem}.message{max-width:90%}.detail-text{display:none}}