:root{--bg:#f8fafc;--bg-card:#fff;--bg-sidebar:#f1f5f9;--bg-hover:#e2e8f0;--bg-input:#fff;--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#6366f1;--accent-light:#e0e7ff;--accent-hover:#4f46e5;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px #0000000d, 0 1px 2px #0000001a;--shadow-lg:0 10px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-xl:0 25px 50px -12px #00000026}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden}html[dir=rtl],html[dir=rtl] body{font-family:Noto Naskh Arabic,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[dir=rtl] .setup-card,html[dir=rtl] .setup-step,html[dir=rtl] .agent-config-header,html[dir=rtl] .agent-fields,html[dir=rtl] .sidebar,html[dir=rtl] .chat-area,html[dir=rtl] .input-box,html[dir=rtl] .top-bar{direction:rtl}html[dir=rtl] .message.user{flex-direction:row;align-self:flex-start}html[dir=rtl] .message.user .message-header{justify-content:flex-start}html[dir=rtl] .login-top-bar,html[dir=rtl] .api-key-row,html[dir=rtl] .unlock-row,html[dir=rtl] .setting-row,html[dir=rtl] .session-info,html[dir=rtl] .participants-list,html[dir=rtl] .final-actions,html[dir=rtl] .copy-link-row,html[dir=rtl] .invite-agent-row{direction:rtl}.setup-screen{-webkit-overflow-scrolling:touch;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:flex-start;min-height:100vh;max-height:100vh;padding:16px;display:flex;overflow-y:auto}.setup-card{background:var(--bg-card);width:100%;max-width:640px;box-shadow:var(--shadow-xl);border-radius:20px;margin:auto;padding:32px;animation:.5s slideUp}.setup-header{text-align:center;margin-bottom:32px}.logo-large{margin-bottom:16px;font-size:48px}.setup-header h1{letter-spacing:-.02em;margin-bottom:8px;font-size:28px;font-weight:800}.setup-subtitle{color:var(--text-secondary);font-size:15px}.setup-steps{flex-direction:column;gap:12px;margin-bottom:32px;display:flex}.setup-step{background:var(--bg);border-radius:var(--radius);border:2px solid #0000;align-items:center;gap:16px;padding:16px 20px;transition:all .3s;display:flex}.setup-step.success{border-color:var(--success);background:#10b9810d}.setup-step.error{border-color:var(--error);background:#ef44440d}.step-icon{text-align:center;width:40px;font-size:24px}.step-content{flex:1}.step-content h3{margin-bottom:2px;font-size:15px;font-weight:600}.step-content p{color:var(--text-muted);font-size:13px}.models-list{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.model-chip{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);border-radius:20px;padding:3px 10px;font-size:12px}.model-chip.cloud{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}.step-status{border:2px solid var(--border-strong);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;display:flex}.step-status.loading{border-color:var(--accent);border-top-color:#0000;animation:.8s linear infinite spin}.step-status.success{border-color:var(--success);background:var(--success);color:#fff}.step-status.error{border-color:var(--error);background:var(--error);color:#fff}.loading-dots:after{content:"...";animation:1.5s steps(4,end) infinite dots}@keyframes dots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}@keyframes spin{to{transform:rotate(360deg)}}.api-keys-section{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:20px;padding:20px}.api-keys-section h4{align-items:center;gap:8px;margin-bottom:4px;font-size:14px;font-weight:600;display:flex}.optional-badge{text-transform:uppercase;letter-spacing:.05em;background:var(--accent-light);color:var(--accent);border-radius:20px;padding:2px 8px;font-size:10px;font-weight:600}.section-desc{color:var(--text-muted);margin-bottom:16px;font-size:13px}.api-key-row{align-items:center;gap:10px;margin-bottom:10px;display:flex}.api-key-row:last-child{margin-bottom:0}.api-key-label{min-width:170px;color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.provider-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.api-key-row input{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-card);outline:none;flex:1;padding:8px 12px;font-family:inherit;font-size:13px}.api-key-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11a}.key-status{text-align:right;min-width:60px;font-size:12px}.key-status.valid{color:var(--success)}.key-status.invalid{color:var(--error)}.api-keys-locked{text-align:center}.api-keys-locked .section-desc{margin-bottom:12px}.optional-badge.locked{background:var(--bg-hover);color:var(--text-muted)}.unlock-row{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.unlock-row input{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-card);outline:none;flex:1;min-width:160px;padding:8px 12px;font-family:inherit;font-size:13px}.unlock-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11a}.unlock-error{color:var(--error);margin-top:8px;font-size:12px}.setup-config{border-top:1px solid var(--border);margin-bottom:24px;padding-top:24px}.setup-config>h3{margin-bottom:16px;font-size:16px;font-weight:600}.agent-config-row{grid-template-columns:1fr 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#6366f14d}.rounds-value{color:var(--accent);text-align:center;min-width:24px;font-size:20px;font-weight:700}.rounds-desc{color:var(--text-muted);margin-top:8px;font-size:12px}.agent-actions{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.agent-limit{color:var(--text-muted);font-size:12px}.agent-remove{border:1px solid var(--border);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;background:0 0;margin-left:auto;padding:4px 10px;font-size:12px;transition:all .2s}.agent-remove:hover{border-color:var(--error);color:var(--error);background:#ef44440d}.agent-number{text-transform:uppercase;letter-spacing:.05em;color:var(--agent-color);margin-bottom:4px;font-size:11px;font-weight:700}.setup-actions{text-align:center}.setup-error{text-align:center;border-radius:var(--radius);background:#ef44440d;border:1px solid #ef444433;padding:24px}.error-icon{margin-bottom:12px;font-size:40px}.setup-error h3{color:var(--error);margin-bottom:8px}.error-help{text-align:left;background:var(--bg-card);border-radius:var(--radius-sm);margin:16px 0;padding:16px}.error-help p{margin-bottom:8px;font-size:13px}.error-help code{color:#e2e8f0;background:#1e293b;border-radius:6px;margin-bottom:6px;padding:8px 12px;font-family:Fira Code,monospace;font-size:12px;display:block}.btn-primary,.btn-secondary,.btn-ghost{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;font-family:inherit;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;padding:14px 28px;font-size:15px}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.btn-large{border-radius:var(--radius);padding:16px 32px;font-size:16px}.btn-secondary{background:var(--bg-hover);color:var(--text);padding:10px 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var(--border);align-items:center;gap:10px;margin-bottom:6px;padding:10px;display:flex}.sidebar-agent-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.sidebar-agent-name{font-size:13px;font-weight:600}.sidebar-agent-model{color:var(--text-muted);font-size:11px}.setting-row{justify-content:space-between;align-items:center;display:flex}.setting-row label{color:var(--text-secondary);font-size:13px}.setting-row select{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-card);outline:none;padding:6px 10px;font-size:13px}.sidebar-footer{flex-direction:column;gap:6px;margin-top:auto;padding:16px;display:flex}.chat-area{flex-direction:column;flex:1;min-width:0;display:flex}.top-bar{border-bottom:1px solid var(--border);background:var(--bg-card);justify-content:space-between;align-items:center;min-height:56px;padding:12px 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h2{margin-bottom:8px;font-size:22px;font-weight:700}.empty-state>p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.example-section{margin-top:8px}.example-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;font-size:12px;font-weight:600}.example-chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.example-chips button{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:20px;padding:10px 16px;font-family:inherit;font-size:13px;transition:all .2s}.example-chips button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);transform:translateY(-1px)}.message{gap:12px;max-width:800px;animation:.3s 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.message-bubble{background:var(--accent);color:#fff;border-color:var(--accent)}.message.agent .message-bubble{border-left:3px solid var(--agent-color,var(--accent))}.message.system .message-bubble{background:var(--bg-sidebar);text-align:center;color:var(--text-secondary);border-style:dashed;font-size:13px}.typing-indicator{align-items:center;gap:4px;padding:4px 0;display:flex}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite bounce}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}.final-answer-wrapper{margin-top:8px;animation:.5s slideUp}.final-badge{background:linear-gradient(135deg, var(--accent), #8b5cf6);color:#fff;text-transform:uppercase;letter-spacing:.05em;border-radius:20px;align-items:center;gap:6px;margin-bottom:8px;padding:4px 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.2s;display:flex;position:fixed;inset:0}.modal-overlay.show{opacity:1;visibility:visible}.modal{background:var(--bg-card);width:100%;max-width:520px;max-height:90vh;box-shadow:var(--shadow-xl);border-radius:20px;transition:transform .2s;overflow-y:auto;transform:scale(.95)}.modal-overlay.show .modal{transform:scale(1)}.modal-header{justify-content:space-between;align-items:center;padding:24px 24px 0;display:flex}.modal-header h2{font-size:20px;font-weight:700}.modal-close{background:var(--bg);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex}.modal-close:hover{background:var(--bg-hover);color:var(--text)}.modal-body{padding:24px}.how-step{gap:16px;margin-bottom:20px;display:flex}.how-step:last-child{margin-bottom:0}.how-number{background:var(--accent-light);width:32px;height:32px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.how-step h4{margin-bottom:4px;font-size:15px;font-weight:600}.how-step p{color:var(--text-secondary);font-size:14px;line-height:1.5}.error-message{border-radius:var(--radius);background:#ef44440d;border:1px solid #ef444433;align-items:flex-start;gap:10px;max-width:600px;padding:14px 16px;display:flex}.error-message .error-icon{flex-shrink:0;font-size:18px}.error-message .error-text{color:var(--error);font-size:13px;line-height:1.5}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (width<=768px){.sidebar{display:none}.setup-screen{padding:8px}.setup-card{border-radius:16px;padding:20px}.setup-header h1{font-size:22px}.logo-large{font-size:36px}.setup-steps{margin-bottom:20px}.setup-step{gap:10px;padding:12px 14px}.step-icon{width:32px;font-size:20px}.agent-config-row,.agent-config-grid,.agent-fields{grid-template-columns:1fr}.api-key-row{flex-direction:column;align-items:stretch;gap:6px}.api-key-label{min-width:auto}.api-keys-section{padding:14px}.rounds-config{padding:12px}.agent-config-card.full-width{padding:14px}.agent-config-header{flex-wrap:wrap}.agent-remove{width:100%;margin-top:8px;margin-left:0}.messages{padding:16px}.input-section{padding:12px 16px 16px}.input-box input{padding:12px 14px;font-size:16px}.modal{max-height:95vh}.btn-large{padding:14px 24px;font-size:15px}}.setup-actions{flex-direction:column;align-items:center;gap:12px;display:flex}.setup-actions .btn-large{width:100%;max-width:320px}.setup-actions-hint{color:var(--text-muted);margin:0;font-size:12px}#sessionSection{display:block!important}.session-info{flex-direction:column;gap:8px;display:flex}.session-id{color:var(--text-muted);word-break:break-all;background:#0000000a;border-radius:6px;padding:6px 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button:hover{background:var(--accent-hover)}.participants-list-modal{flex-direction:column;gap:6px;display:flex}.collab-panel{background:var(--bg-card);border-left:1px solid var(--border);z-index:50;flex-direction:column;width:320px;transition:transform .25s;display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(100%)}.collab-panel.show{transform:translate(0)}.collab-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.collab-header h4{color:var(--text);margin:0;font-size:14px}.collab-header button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1}.collab-header button:hover{color:var(--text)}.collab-messages{flex-direction:column;flex:1;gap:12px;padding:16px 20px;display:flex;overflow-y:auto}.collab-message{flex-direction:column;gap:2px;display:flex}.collab-name{color:var(--accent);font-size:11px;font-weight:600}.collab-text{color:var(--text);word-break:break-word;font-size:13px;line-height:1.5}.collab-time{color:var(--text-muted);font-size:10px}.collab-input{border-top:1px solid var(--border);gap:8px;padding:12px 20px 16px;display:flex}.collab-input input{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:8px;flex:1;padding:10px 14px;font-size:13px}.collab-input input:focus{border-color:var(--accent);outline:none}.collab-input button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:13px;font-weight:500}.collab-input button:hover{background:var(--accent-hover)}@media (width<=640px){.collab-panel{width:100%}.top-bar-actions{gap:4px}.top-bar-actions button{padding:4px 8px;font-size:12px}.setup-actions .btn-large{max-width:100%}}.setup-header-actions{margin-top:12px}.setup-header-actions button{padding:6px 14px;font-size:13px}.login-logo{width:auto;height:60px;margin-bottom:16px}.login-top-bar{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.login-top-logo{width:auto;height:36px}.login-hero{text-align:center;margin-bottom:20px}.login-hero-img{border-radius:var(--radius);width:100%;max-width:420px;height:auto;box-shadow:var(--shadow)}.sidebar-header img{width:auto;height:32px}.lang-switcher{justify-content:flex-end;gap:6px;margin-bottom:12px;display:flex}.lang-switcher button{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;padding:4px 10px;font-size:12px}.lang-switcher button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.app-footer{background:var(--bg-sidebar);border-top:1px solid var(--border);text-align:center;color:var(--text-muted);padding:12px 16px;font-size:12px}.setup-header .logo-row{justify-content:center;align-items:center;gap:12px;margin-bottom:12px;display:flex}.setup-header .logo-row img{width:auto;height:48px}.admin-panel{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);margin-top:24px;padding:16px}.admin-panel h4{margin-bottom:12px;font-size:14px}.user-row{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:8px;padding:10px;display:flex}.user-row span{font-size:13px}.user-row button{padding:4px 12px;font-size:12px}.subscriber-lobby{text-align:center;padding:32px 20px}.subscriber-lobby input{border-radius:var(--radius-sm);border:1px solid var(--border-strong);width:100%;max-width:320px;margin-bottom:12px;padding:12px 14px;font-size:14px}