.cc-model-drop[hidden],.cc-messages[hidden],.cc-welcome[hidden],.cc-btn-stop[hidden],.cc-btn-send[hidden]{display:none!important}.cc-page{display:flex;height:calc(100vh - var(--header-height, 64px));background:var(--bg-primary);font-family:var(--font-body);color:var(--text-primary);overflow:hidden;width:min(1440px,calc(100vw - 32px));margin:0 auto;margin-top:var(--header-height, 64px);border:1px solid var(--border-secondary);border-radius:24px;box-shadow:0 18px 48px #1b141014}.cc-sidebar{width:276px;height:100%;background:var(--bg-primary);border-right:1px solid var(--border-secondary);display:flex;flex-direction:column;flex-shrink:0;z-index:100;transition:transform .3s ease}.cc-sidebar-header{padding:14px 16px;border-bottom:1px solid var(--border-secondary)}.cc-btn-new{display:flex;align-items:center;gap:8px;width:100%;padding:9px 16px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:var(--radius-full);font-size:14px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:background .2s,border-color .2s,transform .2s}.cc-btn-new:hover{background:var(--bg-secondary);border-color:var(--border-hover);transform:translateY(-1px)}.cc-sidebar-body{flex:1;overflow-y:auto;padding:10px 10px 18px}.cc-conv-item{display:flex;align-items:center;gap:8px;padding:11px 12px;border-radius:12px;cursor:pointer;font-size:14px;color:var(--text-secondary);transition:background .15s,color .15s}.cc-conv-item:hover{background:#fffbf5cc}.cc-conv-item--active{background:#fffbf5f2;color:var(--text-primary);font-weight:500}.cc-conv-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cc-conv-del{opacity:0;flex-shrink:0;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);background:none;border:none;cursor:pointer;font-size:18px;line-height:1;transition:opacity .15s,background .15s}.cc-conv-item:hover .cc-conv-del{opacity:1}.cc-conv-del:hover{background:#d977571f;color:var(--color-primary)}.cc-conv-empty{padding:24px 12px;text-align:center;color:var(--text-tertiary);font-size:var(--text-sm)}.cc-sidebar-footer{padding:12px 16px 18px;border-top:1px solid var(--border-secondary)}.cc-user-info{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px}.cc-user-avatar{width:32px;height:32px;border-radius:50%;background:#df7d56;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.cc-user-name{font-size:14px;font-weight:500;color:var(--text-primary)}.cc-user-plan{font-size:var(--text-xs);color:var(--text-tertiary)}.cc-main{flex:1;display:flex;flex-direction:column;min-width:0;height:100%;background:var(--bg-primary)}.cc-header{display:flex;align-items:center;gap:12px;padding:10px 16px;flex-shrink:0;border-bottom:1px solid var(--border-secondary)}.cc-menu-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);color:var(--text-secondary);background:none;border:none;cursor:pointer;transition:background .15s,color .15s}.cc-menu-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.cc-model-wrap{position:relative}.cc-model-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--border-primary);border-radius:var(--radius-full);background:var(--bg-primary);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:border-color .15s,background .15s}.cc-model-btn:hover{border-color:var(--border-hover);background:var(--bg-secondary)}.cc-model-drop{position:absolute;top:calc(100% + 6px);left:0;min-width:200px;padding:6px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:14px;box-shadow:0 12px 32px #1b14101f;z-index:200;display:flex;flex-direction:column;gap:2px}.cc-model-opt{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;background:transparent;border:none;color:var(--text-primary);font-size:14px;text-align:left;cursor:pointer;transition:background .12s}.cc-model-opt:hover{background:#fffbf5d9}.cc-model-opt--active{background:#fffbf5f2;font-weight:500}.cc-model-badge{font-size:var(--text-xs);color:var(--text-tertiary);padding:2px 8px;border-radius:var(--radius-full);background:#47392c0f}.cc-body{flex:1;overflow-y:auto;display:flex;flex-direction:column}.cc-messages{flex:1;display:flex;flex-direction:column;gap:4px;max-width:768px;width:100%;margin:0 auto;padding:20px 20px 0}.cc-welcome{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}.cc-welcome-inner{text-align:center;max-width:580px}.cc-welcome-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .75rem;margin-bottom:24px;border:1px solid var(--border-secondary);border-radius:var(--radius-full);background:transparent;color:var(--text-tertiary);font-size:var(--text-xs);font-weight:var(--font-semibold);letter-spacing:.07em;text-transform:uppercase}.cc-welcome-mark{margin-bottom:16px;color:var(--color-primary)}.cc-welcome-title{font-family:var(--font-editorial);font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:var(--font-medium);color:var(--text-primary);margin-bottom:8px;letter-spacing:0}.cc-welcome-desc{font-size:1rem;color:var(--text-secondary);margin-bottom:32px}.cc-suggestions{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:480px;margin:0 auto}.cc-card{padding:14px 16px;border:1px solid var(--border-secondary);border-radius:14px;background:var(--card-bg);color:var(--text-primary);font-size:14px;font-weight:500;text-align:center;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}.cc-card:hover{background:var(--card-bg-hover);border-color:var(--border-hover);transform:translateY(-1px)}.cc-card--wide{grid-column:1 / -1}.cc-msg{display:flex;flex-direction:column;max-width:80%;animation:cc-in .22s var(--ease-out)}.cc-msg--user{align-self:flex-end}.cc-msg--asst{align-self:flex-start}.cc-avatar{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-bottom:4px;background:var(--bg-tertiary);color:var(--text-secondary)}.cc-bubble{padding:10px 14px;border-radius:16px;font-size:15px;line-height:1.6;position:relative}.cc-bubble--user{background:var(--color-primary);color:#fff;border-bottom-right-radius:4px}.cc-bubble--asst{background:var(--bg-secondary);color:var(--text-primary);border-bottom-left-radius:4px}.cc-content p{margin-bottom:8px;color:inherit}.cc-content p:last-child{margin-bottom:0}.cc-content code{font-family:var(--font-mono);font-size:13.5px;background:#00000014;padding:2px 6px;border-radius:4px}.cc-bubble--user .cc-content code{background:#fff3}.cc-content pre{background:#0000000f;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.cc-bubble--user .cc-content pre{background:#ffffff26}.cc-content pre code{background:none;padding:0}.cc-content blockquote{border-left:3px solid var(--color-primary);padding-left:12px;margin:8px 0;color:var(--text-secondary);font-style:italic}.cc-content h1,.cc-content h2,.cc-content h3{font-family:var(--font-editorial);margin:12px 0 6px;color:var(--text-primary)}.cc-content h1{font-size:1.5rem}.cc-content h2{font-size:1.25rem}.cc-content h3{font-size:1.1rem}.cc-content ul,.cc-content ol{padding-left:1.5em;margin:6px 0;color:inherit}.cc-content hr{border:none;border-top:1px solid var(--border-secondary);margin:12px 0}.cc-copy{position:absolute;bottom:-4px;right:6px;opacity:0;width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);border:1px solid var(--border-secondary);color:var(--text-tertiary);cursor:pointer;transition:opacity .15s,background .15s}.cc-bubble:hover .cc-copy{opacity:1}.cc-copy:hover{background:var(--bg-secondary);color:var(--text-primary)}.cc-typing{display:flex;align-items:center;gap:4px;padding:4px 0}.cc-typing-dot{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:cc-dot 1.4s infinite}.cc-typing-dot:nth-child(2){animation-delay:.2s}.cc-typing-dot:nth-child(3){animation-delay:.4s}@keyframes cc-dot{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-8px);opacity:1}}@keyframes cc-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.cc-input-area{flex-shrink:0;padding:12px 20px 16px;background:var(--bg-primary)}.cc-input-container{max-width:768px;margin:0 auto}.cc-input-wrapper{display:flex;align-items:flex-end;gap:8px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:18px;padding:10px 12px 10px 16px;transition:border-color .15s,box-shadow .15s}.cc-input-wrapper:focus-within{border-color:#d9775766;box-shadow:0 0 0 3px #d9775714}.cc-input{flex:1;background:transparent!important;border:none!important;border-radius:0!important;outline:none;box-shadow:none!important;font-family:var(--font-body);font-size:15px;line-height:1.5;color:var(--text-primary);resize:none;max-height:180px;padding:2px 0}.cc-input::placeholder{color:var(--text-tertiary)}.cc-input:focus{outline:none;border:none!important;box-shadow:none!important}.cc-input-area :global(input),.cc-input-area :global(textarea){border:none!important;box-shadow:none!important}.cc-input-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.cc-btn-send,.cc-btn-stop{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:none;border:none;cursor:pointer;transition:background .15s,transform .15s}.cc-btn-send{color:var(--text-tertiary)}.cc-btn-send:not(:disabled){color:var(--color-primary)}.cc-btn-send:not(:disabled):hover{background:#d977571a;transform:scale(1.05)}.cc-btn-send:disabled{cursor:not-allowed;opacity:.4}.cc-btn-stop{color:var(--text-secondary);background:#47392c0f}.cc-btn-stop:hover{background:#47392c1f}.cc-input-footer{display:flex;align-items:center;justify-content:space-between;margin-top:8px;padding:0 4px;font-size:var(--text-xs);color:var(--text-tertiary)}.cc-error{max-width:768px;margin:8px auto;padding:10px 16px;background:#d9775714;border:1px solid rgba(217,119,87,.2);border-radius:12px;font-size:var(--text-sm);color:var(--color-primary)}@media(max-width:960px){.cc-sidebar{position:fixed;inset:0;transform:translate(-100%);z-index:300;width:280px;border-radius:0 16px 16px 0}.cc-sidebar--open{transform:translate(0)}.cc-sidebar-overlay{display:none}.cc-sidebar-overlay--show{display:block;position:fixed;inset:0;background:#1b141059;z-index:299}.cc-menu-btn{display:flex}.cc-msg{max-width:88%}}@media(max-width:640px){.cc-page{width:100%;border-radius:0;border:none;box-shadow:none;margin-top:0;height:100dvh}.cc-header{padding:8px 12px}.cc-messages{padding:12px 12px 0}.cc-msg{max-width:92%}.cc-bubble{font-size:14px;padding:8px 12px}.cc-input-area{padding:8px 12px 12px}.cc-suggestions{gap:8px;padding:0 8px}.cc-card{font-size:13px;padding:12px 10px}.cc-welcome{padding:24px 16px}.cc-welcome-title{font-size:1.6rem}}@media(prefers-reduced-motion:reduce){.cc-msg{animation:none}.cc-typing-dot{animation:none;opacity:.4}}