:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a2e;--bg-tertiary: #16213e;--accent: #4361ee;--accent-hover: #3a56d4;--danger: #e63946;--success: #2a9d8f;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--text-muted: #666;--border: #2a2a3e;--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:24px}.app-header{text-align:center;margin-bottom:32px}.app-header h1{font-size:24px;font-weight:600;margin-bottom:6px}.app-header p{color:var(--text-secondary);font-size:14px}.warn-banner{background:#ef444426;border:1px solid rgba(239,68,68,.4);border-radius:8px;padding:12px;margin-bottom:16px;font-size:13px;color:#fca5a5;line-height:1.6}.error-text{color:var(--danger);font-size:13px;margin-bottom:16px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:8px}.form-group input{width:100%;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:15px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent)}.form-group input::placeholder{color:var(--text-muted)}.btn{padding:12px 28px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#d32f2f}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#238a7d}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-sm{padding:6px 16px;font-size:12px}.btn-round{width:64px;height:64px;border-radius:50%;padding:0;justify-content:center;font-size:28px}.login-screen{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:420px;margin-top:40px}.login-screen h2{font-size:18px;margin-bottom:24px;text-align:center}.contacts-screen{width:100%;max-width:520px;display:flex;flex-direction:column;gap:16px}.contacts-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius)}.section-title{font-size:15px;font-weight:600;color:var(--text-secondary)}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:60px 20px;color:var(--text-muted)}.empty-state .icon{font-size:48px}.empty-state .text{font-size:15px;color:var(--text-secondary)}.empty-state .hint{font-size:12px;color:var(--text-muted)}.user-list{display:flex;flex-direction:column;gap:8px}.user-item{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s}.user-item:hover{background:var(--bg-tertiary);border-color:var(--accent)}.user-avatar{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;color:#fff;overflow:hidden;flex-shrink:0}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-info{flex:1;display:flex;flex-direction:column;gap:2px}.user-name{font-size:15px;font-weight:500;color:var(--text-primary)}.user-status{font-size:12px;color:var(--success)}.user-action{flex-shrink:0}.call-icon{font-size:20px}.calling-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;gap:16px}.calling-avatar{position:relative;width:120px;height:120px;margin-bottom:24px}.calling-avatar>img,.calling-avatar>span{position:relative;z-index:2;width:120px;height:120px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:600;color:#fff;overflow:hidden;object-fit:cover}.calling-avatar img{object-fit:cover}.calling-ring{position:absolute;top:0;left:0;width:120px;height:120px;border-radius:50%;border:3px solid var(--accent);animation:ring-pulse 2s ease-out infinite}.calling-ring.delay{animation-delay:1s}@keyframes ring-pulse{0%{transform:scale(1);opacity:.8}to{transform:scale(2);opacity:0}}.calling-name{font-size:22px;font-weight:600}.calling-status{font-size:14px;color:var(--text-secondary)}.calling-dots{display:flex;gap:6px;margin-bottom:32px}.calling-dots span{width:8px;height:8px;border-radius:50%;background:var(--text-secondary);animation:dot-bounce 1.4s ease-in-out infinite}.calling-dots span:nth-child(2){animation-delay:.2s}.calling-dots span:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.incoming-actions{display:flex;gap:48px;margin-top:24px}.call-screen{width:100%;max-width:1200px;display:flex;flex-direction:column;gap:20px}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-height:400px}.video-tile{position:relative;background:var(--bg-tertiary);border-radius:var(--radius);overflow:hidden;aspect-ratio:16 / 9;display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}.video-tile video{width:100%;height:100%;object-fit:cover}.video-tile video.mirror{transform:scaleX(-1)}.video-label{position:absolute;bottom:12px;left:12px;background:#0009;color:#fff;font-size:13px;padding:4px 12px;border-radius:6px;z-index:2}.video-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted)}.video-placeholder .icon{font-size:48px}.video-placeholder .text{font-size:14px}.status-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius)}.status-info{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted)}.status-dot.connected{background:var(--success)}.status-dot.connecting{background:#f4a261;animation:pulse 1.5s infinite}.status-dot.disconnected{background:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.controls{display:flex;justify-content:center;gap:12px;padding:16px}.log-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:16px;max-height:200px;overflow-y:auto;font-family:SF Mono,Fira Code,monospace;font-size:12px;line-height:1.8}.log-panel h3{font-size:13px;font-weight:500;margin-bottom:12px;color:var(--text-secondary)}.log-entry{color:var(--text-secondary)}.log-entry .time{color:var(--text-muted);margin-right:8px}.log-entry .type{color:var(--accent);margin-right:8px}.log-entry.warn .type{color:#f4a261}.log-entry.error .type{color:var(--danger)}.log-entry.success .type{color:var(--success)}@media (max-width: 768px){.app{padding:12px}.app-header{margin-bottom:16px}.app-header h1{font-size:18px}.app-header p{font-size:12px}.login-screen{padding:24px 20px;margin-top:20px}.contacts-screen{max-width:100%}.video-grid{grid-template-columns:1fr;gap:12px;min-height:auto}.controls{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 0}.controls .btn{padding:12px 6px;font-size:12px;gap:4px;justify-content:center;min-height:44px}.controls .btn-danger{grid-column:1 / -1}.status-bar{padding:8px 12px}.status-info{font-size:12px;gap:8px}.log-panel{max-height:150px;font-size:11px;padding:12px}.calling-avatar{width:96px;height:96px}.calling-avatar>img,.calling-avatar>span{width:96px;height:96px;font-size:38px}.calling-ring{width:96px;height:96px}.calling-name{font-size:18px}.incoming-actions{gap:32px}.btn-round{width:56px;height:56px;font-size:24px}}@media (max-width: 380px){.controls{grid-template-columns:repeat(2,1fr)}.controls .btn{font-size:11px;padding:10px 4px}.app-header h1{font-size:16px}}