.studio-chat-hub{display:flex;flex-direction:column;gap:12px;max-width:640px;margin:0 auto;min-height:calc(100dvh - 170px);padding-bottom:90px;box-sizing:border-box}.chat-hub-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:var(--cwc-radius-lg);background:var(--cwc-surface);border:1px solid var(--cwc-border);box-shadow:var(--cwc-shadow-clean)}.chat-hub-back-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--cwc-radius-full);border:1px solid var(--cwc-border);background:var(--cwc-surface-subtle);color:var(--cwc-text-primary);font-size:.78rem;font-weight:750;cursor:pointer;box-shadow:var(--cwc-shadow-pill);transition:transform .2s ease,background .2s ease;text-decoration:none}.chat-hub-back-btn:hover{transform:translate(-2px);background:var(--cwc-surface)}.chat-hub-profile{display:flex;align-items:center;gap:10px}.chat-hub-avatar-wrap{position:relative;width:38px;height:38px}.chat-hub-avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:1.5px solid #10b981}.chat-hub-status-dot.online{position:absolute;bottom:0;right:0;width:10px;height:10px;background:#22c55e;border-radius:50%;border:2px solid var(--cwc-surface)}.chat-hub-info{display:flex;flex-direction:column;gap:1px}.chat-hub-name-row{display:flex;align-items:center;gap:6px}.chat-hub-name{font-size:.92rem;font-weight:850;color:var(--cwc-text-primary)}.chat-hub-badge{font-size:.64rem;font-weight:800;padding:2px 8px;border-radius:var(--cwc-radius-full);background:var(--cwc-pastel-sage);color:var(--cwc-pastel-sage-text);border:1px solid var(--cwc-border-subtle);box-shadow:var(--cwc-shadow-pill)}.chat-hub-status-text{font-size:.7rem;color:#22c55e;font-weight:650}.chat-hub-qr-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--cwc-border);background:var(--cwc-surface-subtle);color:var(--cwc-text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--cwc-shadow-pill);transition:transform .2s ease}.chat-hub-qr-btn:hover{transform:scale(1.06)}.chat-hub-chips-row{display:flex;gap:8px;padding:4px 2px;overflow-x:auto;scrollbar-width:none}.chat-hub-chips-row::-webkit-scrollbar{display:none}.chat-hub-chip-btn{padding:6px 13px;border-radius:var(--cwc-radius-full);border:1px solid var(--cwc-border);background:var(--cwc-surface);color:var(--cwc-text-primary);font-size:.75rem;font-weight:750;white-space:nowrap;cursor:pointer;box-shadow:var(--cwc-shadow-pill);transition:all .2s ease;flex-shrink:0}.chat-hub-chip-btn:hover{color:#10b981;border-color:#10b981;transform:translateY(-1px)}.chat-hub-stream{display:flex;flex-direction:column;gap:16px;padding:10px 2px;min-height:280px}.hub-msg-bubble{max-width:88%;padding:12px 16px;border-radius:18px;display:flex;flex-direction:column;gap:6px;position:relative;box-sizing:border-box;animation:bubblePopIn .22s cubic-bezier(.16,1,.3,1)}@keyframes bubblePopIn{0%{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.hub-msg-bubble.outgoing{align-self:flex-end!important;background:linear-gradient(135deg,#059669,#047857)!important;color:#fff!important;border-bottom-right-radius:4px;box-shadow:0 4px 16px #05966952}.hub-msg-bubble.outgoing .hub-bubble-content,.hub-msg-bubble.outgoing .hub-bubble-content p,.hub-msg-bubble.outgoing .hub-bubble-content span{color:#fff!important;font-weight:550}.hub-msg-bubble.outgoing .hub-bubble-time{color:#fffc!important}.hub-msg-bubble.incoming{align-self:flex-start!important;background:var(--cwc-surface, #ffffff)!important;color:var(--cwc-text-primary, #0f172a)!important;border:1px solid var(--cwc-border, rgba(0, 0, 0, .08));border-bottom-left-radius:4px;box-shadow:0 4px 18px #0000000d}[data-theme=dark] .hub-msg-bubble.incoming{background:#1e293b!important;border-color:#ffffff1a;box-shadow:0 6px 24px #0006}.hub-bubble-content{font-size:.88rem;line-height:1.6;word-break:break-word}.hub-bubble-time{font-size:.65rem;opacity:.7;align-self:flex-end;margin-top:2px;font-weight:600}.chat-md-h4{font-size:.96rem;font-weight:850;margin:0 0 8px;color:var(--cwc-text-primary);letter-spacing:-.01em}.chat-paragraph-gap{height:8px}.chat-md-tip{margin:10px 0;padding:10px 14px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0;border-left:4px solid #10b981;font-size:.82rem;font-weight:600;color:#065f46;line-height:1.5}[data-theme=dark] .chat-md-tip{background:#064e3b59;border-color:#10b98166;color:#a7f3d0}.chat-ingredient-item{display:flex;align-items:center;gap:10px;padding:8px 12px;margin:4px 0;border-radius:8px;background:var(--cwc-surface-subtle);border:1px solid var(--cwc-border);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:.84rem;font-weight:600;color:var(--cwc-text-primary);transition:all .16s ease}.chat-ingredient-item:hover{background:var(--cwc-surface);border-color:#cbd5e1}.ingredient-bullet{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--cwc-surface);color:#10b981;font-size:.72rem;font-weight:850;flex-shrink:0;border:1px solid rgba(16,185,129,.3);transition:all .16s ease}.ingredient-text{font-size:.84rem;font-weight:650}.chat-ingredient-item.is-active{background:#10b98117!important;border-color:#10b98159!important;color:#047857!important}[data-theme=dark] .chat-ingredient-item.is-active{background:#10b9812e!important;color:#34d399!important}.chat-ingredient-item.is-active .ingredient-bullet{background:#10b981;color:#fff;border-color:#10b981}.chat-action-badge-btn{display:inline-flex;align-items:center;gap:8px;margin-top:10px;margin-right:6px;padding:8px 16px;border-radius:var(--cwc-radius-full);border:none;background:linear-gradient(135deg,#10b981,#059669);color:#fff!important;font-weight:800;font-size:.8rem;cursor:pointer;box-shadow:0 4px 14px #10b98159;transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s ease;text-decoration:none}.chat-action-badge-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px #10b98173}.chat-action-badge-btn:active{transform:scale(.96)}.chat-choices-container{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.chat-choice-pill-btn{padding:6px 13px;border-radius:var(--cwc-radius-full);border:1px solid rgba(16,185,129,.35);background:var(--cwc-surface);color:#047857;font-weight:750;font-size:.76rem;cursor:pointer;box-shadow:0 2px 6px #00000008;transition:all .15s ease}[data-theme=dark] .chat-choice-pill-btn{color:#34d399;border-color:#34d3994d}.chat-choice-pill-btn:hover{transform:translateY(-1px);background:#10b981;color:#fff;border-color:#10b981}.chat-hub-qr-panel{display:none;padding:28px 18px;border-radius:var(--cwc-radius-lg);background:var(--cwc-surface);border:1px solid var(--cwc-border);box-shadow:var(--cwc-shadow-clean);flex-direction:column;align-items:center;text-align:center;gap:12px}.chat-hub-qr-panel.active{display:flex}