*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0510;--bg2:#110a1a;--bg3:#1a0f24;--bg4:#1e1228;
  --bh:#2a1a38;--bd:#2a1a3a;--bdl:#3a2a4a;
  --t:#e8d0f0;--t2:#a890b8;--t3:#7a6a8a;
  --ac:#c879ff;--ac2:#8b3df0;--acg:rgba(200,121,255,0.12);
  --gr:#4ade80;--re:#ff6b6b;--bl:#60a5fa;--yl:#ffc832;
  --r:8px;--rl:12px;--rx:16px;
  --sh:0 4px 24px rgba(0,0,0,0.4);
  --f:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --fm:'Cascadia Code','Fira Code','JetBrains Mono',monospace;
}
html,body{height:100%;font-family:var(--f);background:var(--bg);color:var(--t);overflow:hidden}
.funding-banner{position:fixed;top:0;left:0;right:0;z-index:9999;display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 16px;background:linear-gradient(135deg,#2a1a10,#3d2216,#2a1a10);border-bottom:1px solid #6b4226;color:#f0d0a0;font-size:13px;animation:banSlide .4s cubic-bezier(.16,1,.3,1);text-align:center}
.funding-banner button{background:none;border:none;color:#b08060;cursor:pointer;font-size:16px;padding:2px 6px;border-radius:4px;flex-shrink:0;transition:.2s}
.funding-banner button:hover{color:#f0d0a0;background:rgba(255,255,255,0.08)}
@keyframes banSlide{from{transform:translateY(-100%)}to{transform:translateY(0)}}
#app{display:flex;height:100vh}
#fundingBanner+#app{padding-top:38px}

/* Sidebar */
#sidebar{width:260px;min-width:260px;background:var(--bg2);border-right:1px solid var(--bd);display:flex;flex-direction:column;transition:transform .3s ease,width .3s ease,min-width .3s ease,margin .3s ease;z-index:10}
#sidebar.closed{width:0;min-width:0;overflow:hidden;border-right:none;padding:0;margin-left:-260px}
.sidebar-header{padding:16px;border-bottom:1px solid var(--bd)}
.btn-new-chat{width:100%;padding:8px 12px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg3);color:var(--t);cursor:pointer;display:flex;align-items:center;gap:8px;font-size:13px}
.btn-new-chat:hover{background:var(--bh);border-color:var(--ac)}
.btn-apikey{width:100%;padding:7px 12px;margin-top:6px;border:1px dashed var(--bdl);border-radius:var(--r);background:transparent;color:var(--t3);cursor:pointer;display:flex;align-items:center;gap:8px;font-size:12px;transition:all .2s}
.btn-apikey:hover{background:var(--bh);color:var(--bl);border-color:var(--bl);border-style:solid}
.conversation-list{flex:1;overflow-y:auto;padding:8px}
.conversation-list::-webkit-scrollbar{width:4px}
.conversation-list::-webkit-scrollbar-thumb{background:var(--bdl);border-radius:2px}
.ci{padding:10px 12px;border-radius:var(--r);cursor:pointer;font-size:13px;color:var(--t2);margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ci:hover{background:var(--bh);color:var(--t)}
.ci.act{background:var(--acg);color:var(--ac)}
.sidebar-footer{padding:12px 16px;border-top:1px solid var(--bd);font-size:12px;color:var(--t3)}
.active-users{display:flex;align-items:center;gap:6px;margin-bottom:8px}
.active-dot{width:6px;height:6px;border-radius:50%;background:var(--gr);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.sidebar-links{display:flex;gap:12px}
.sidebar-links a{color:var(--t3);text-decoration:none}
.sidebar-links a:hover{color:var(--ac)}
.btn-feedback{width:100%;margin-top:10px;padding:7px 12px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg3);color:var(--t3);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;gap:6px}
.btn-feedback:hover{background:var(--bh);color:var(--ac);border-color:#c879ff40}
.btn-feedback svg{flex-shrink:0}

/* Main */
#main{flex:1;display:flex;flex-direction:column;min-width:0}
.main-content{flex:1;display:flex;overflow:hidden;position:relative}
.chat-area{flex:1;display:flex;flex-direction:column;min-width:0}

/* AI Tools toggle */
#aiToolsBtn.active{color:var(--ac);background:var(--acg)}

/* Thinking toggle - chat input */
.think-toggle{display:flex;align-items:center;gap:5px;height:28px;padding:0 7px;border:none;border-radius:8px;background:transparent;color:var(--t3);cursor:pointer;transition:all .25s ease;flex-shrink:0}
.think-toggle:hover{background:var(--bh);color:var(--t2)}
.think-toggle .tt-icon{flex-shrink:0;transition:color .25s}
.think-toggle .tt-track{position:relative;width:22px;height:12px;border-radius:6px;background:var(--bdl);transition:background .3s ease;flex-shrink:0}
.think-toggle .tt-knob{position:absolute;top:2px;left:2px;width:8px;height:8px;border-radius:50%;background:var(--t3);transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 1px 2px rgba(0,0,0,.3)}
.think-toggle.active{color:var(--bl)}
.think-toggle.active .tt-track{background:var(--bl)}
.think-toggle.active .tt-knob{left:12px;background:#fff;box-shadow:0 1px 3px rgba(96,165,250,.4)}
.think-toggle:active{transform:scale(.94)}
.chat-header{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--bd);background:var(--bg2)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:4px}
.btn-icon{width:34px;height:34px;border:none;border-radius:var(--r);background:transparent;color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.btn-icon:hover{background:var(--bh);color:var(--t)}
.current-model{flex:1;min-width:0}
.prov-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px 3px 6px;border-radius:20px;font-size:11px;font-weight:500;border:1px solid;cursor:pointer;transition:all .2s;max-width:100%;overflow:hidden}
.prov-badge:hover{opacity:.85}
.prov-badge .prov-icon{width:14px;height:14px;flex-shrink:0}
.prov-icon{width:16px;height:16px;object-fit:contain;vertical-align:middle}

/* Chat */
.chat-container{flex:1;overflow-y:auto;scroll-behavior:smooth;position:relative}
.chat-container::-webkit-scrollbar{width:6px}
.chat-container::-webkit-scrollbar-track{background:transparent}
.chat-container::-webkit-scrollbar-thumb{background:var(--bdl);border-radius:3px}

/* Scroll to bottom button */
.scroll-bottom-btn{position:absolute;bottom:16px;right:24px;width:36px;height:36px;border-radius:50%;border:1px solid var(--bd);background:var(--bg3);color:var(--t2);cursor:pointer;display:none;align-items:center;justify-content:center;z-index:5;box-shadow:var(--sh);transition:all .2s}
.scroll-bottom-btn:hover{background:var(--bh);color:var(--ac);border-color:var(--ac);transform:translateY(-2px)}
.scroll-bottom-btn.show{display:flex;animation:scaleIn .2s ease}
.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:40px;text-align:center}
.welcome-screen h1{font-size:28px;margin-bottom:8px;background:linear-gradient(135deg,#e8c2ff,#c879ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.welcome-subtitle{color:var(--t2);max-width:400px;margin-bottom:24px;font-size:14px}
.welcome-providers{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:24px}
.prov-chip{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:20px;font-size:13px;background:var(--bg4);color:var(--t2);border:1px solid var(--bd);cursor:pointer;transition:all .2s}
.prov-chip:hover{border-color:var(--pc,var(--ac));color:var(--pc,var(--ac));background:color-mix(in srgb,var(--pc,var(--ac)) 8%,transparent)}
.prov-chip .prov-icon{width:16px;height:16px}
.welcome-suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:520px}
.suggestion-chip{padding:8px 16px;border-radius:var(--r);font-size:13px;background:var(--bg4);color:var(--t2);border:1px solid var(--bd);cursor:pointer;transition:all .2s}
.suggestion-chip:hover{background:var(--acg);border-color:var(--ac);color:var(--ac)}

/* Messages */
.messages-container{padding:20px 16px;max-width:800px;margin:0 auto;width:100%}
.msg{margin-bottom:20px;display:flex;gap:10px;animation:fadeIn .25s ease}
.msg.user{flex-direction:row-reverse}
.ma{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;overflow:hidden}
.msg.user .ma{background:var(--acg);color:var(--ac)}
.msg.assistant .ma{background:var(--bg3);color:var(--t);border:1px solid var(--bd)}
.ma img{width:16px;height:16px;object-fit:contain;border-radius:2px}
.mc{max-width:85%;padding:10px 14px;border-radius:var(--rl);line-height:1.6;font-size:14px;white-space:pre-wrap;word-wrap:break-word}
.msg.user .mc{background:var(--acg);border:1px solid rgba(200,121,255,0.12);color:var(--t);border-bottom-right-radius:4px}
.msg.assistant .mc{background:var(--bg4);border:1px solid var(--bd);border-bottom-left-radius:4px;color:var(--t)}
.mc p{margin-bottom:6px}
.mc p:last-child{margin-bottom:0}
.mc code{background:var(--bg3);padding:2px 6px;border-radius:4px;font-family:var(--fm);font-size:13px}
.mc pre{background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);padding:14px;margin:8px 0;overflow-x:auto;position:relative}
.mc pre code{background:none;padding:0;font-size:13px;line-height:1.5}
.ccb{position:absolute;top:6px;right:6px;padding:3px 8px;background:var(--bh);border:1px solid var(--bd);border-radius:4px;color:var(--t2);cursor:pointer;font-size:11px}
.ccb:hover{color:var(--ac)}
.mc img{max-width:100%;border-radius:var(--r);margin:6px 0}
.mc ul,.mc ol{padding-left:20px;margin:6px 0}
.mc h1,.mc h2,.mc h3,.mc h4{margin:14px 0 6px}
.mc blockquote{border-left:3px solid var(--ac);padding-left:12px;color:var(--t2);margin:6px 0}
.mc table{border-collapse:collapse;width:100%;margin:6px 0;font-size:13px}
.mc th,.mc td{border:1px solid var(--bd);padding:6px 10px;text-align:left}
.mc th{background:var(--bg3)}

.mt{display:flex;gap:4px;margin-top:4px;padding-left:40px}
.mt button{padding:3px 8px;border:none;border-radius:4px;background:transparent;color:var(--t3);cursor:pointer;font-size:12px}
.mt button:hover{background:var(--bh);color:var(--t)}

/* === Thinking block === */
.thinking-block{margin-bottom:8px;border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;background:var(--bg3)}
.thinking-block summary{display:flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;font-size:12px;color:var(--t2);user-select:none;list-style:none}
.thinking-block summary::-webkit-details-marker{display:none}
.thinking-block summary::before{content:'';width:12px;height:12px;border:2px solid var(--yl);border-top-color:transparent;border-radius:50%;animation:thinkSpin .6s linear infinite;flex-shrink:0}
.thinking-block[open] summary::before{animation:none;border-color:var(--ac);border-top-color:var(--ac)}
.thinking-block summary .think-label{flex:1}
.thinking-block summary .think-toggle{color:var(--t3);font-size:11px}
.thinking-block .think-content{padding:8px 12px 12px;font-size:13px;color:var(--t2);line-height:1.5;white-space:pre-wrap;border-top:1px solid var(--bd);font-family:var(--fm);max-height:400px;overflow-y:auto}
.thinking-block.done summary::before{border-color:var(--ac);animation:none}
@keyframes thinkSpin{to{transform:rotate(360deg)}}
.gen-image{position:relative;width:100%;max-width:512px;border-radius:12px;overflow:hidden}
.gen-image img{width:100%;display:block;border-radius:12px}
.img-actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.img-actions a,.img-actions button{padding:6px 14px;border-radius:8px;border:1px solid var(--bd);background:var(--bg3);color:var(--t2);cursor:pointer;font-size:12px;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.img-actions a:hover,.img-actions button:hover{border-color:var(--ac);color:var(--ac)}
.img-loading{display:flex;align-items:center;gap:16px;padding:24px}
.img-spinner{width:48px;height:48px;border:3px solid var(--bd);border-top-color:var(--ac);border-radius:50%;animation:imgSpin .8s linear infinite;flex-shrink:0}
@keyframes imgSpin{to{transform:rotate(360deg)}}

/* Input */
.input-area{padding:8px 16px 12px;border-top:1px solid var(--bd);background:var(--bg2)}
.input-wrapper{display:flex;align-items:flex-end;gap:6px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--rl);padding:6px 8px;transition:border-color .2s}
.input-wrapper:focus-within{border-color:var(--ac)}
.btn-model-inline{display:flex;align-items:center;gap:4px;padding:5px 8px;border:none;border-radius:var(--r);background:var(--bh);color:var(--t2);cursor:pointer;font-size:11px;flex-shrink:0;transition:all .15s;white-space:nowrap}
.btn-model-inline:hover{background:var(--acg);color:var(--ac)}
.btn-model-inline .model-select-icon{width:14px;height:14px;object-fit:contain;border-radius:2px}
.model-inline-name{max-width:100px;overflow:hidden;text-overflow:ellipsis}
.message-input{flex:1;border:none;background:transparent;color:var(--t);font-family:var(--f);font-size:14px;resize:none;outline:none;max-height:200px;line-height:1.5;min-height:24px}
.message-input::placeholder{color:var(--t3)}
.input-actions{display:flex;align-items:center;gap:2px;flex-shrink:0}
.btn-send{width:32px;height:32px;border:none;border-radius:var(--r);background:var(--ac2);color:white;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.btn-send:hover{background:var(--ac)}
.btn-send:disabled{opacity:.4;cursor:not-allowed}
.web-search-indicator{display:none;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;background:rgba(74,222,128,0.1);color:var(--gr);margin-top:4px;width:fit-content}
.file-preview{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg4);border:1px solid var(--bd);border-radius:var(--r);margin-top:6px;font-size:12px}
.file-preview .fn{color:var(--t2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-preview .fr{cursor:pointer;color:var(--re)}

/* Modals */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px)}
.modal{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--rx);max-height:80vh;overflow-y:auto;box-shadow:var(--sh)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--bd)}
.modal-header h2{font-size:15px;font-weight:600}
.btn-close{background:none;border:none;color:var(--t3);cursor:pointer;padding:4px;border-radius:4px}
.btn-close:hover{color:var(--t);background:var(--bh)}
.modal-body{padding:14px 18px 18px}

/* Settings */
.settings-modal{width:400px;max-width:90vw}
.setting-group{margin-bottom:14px}
.setting-group label{display:block;font-size:13px;color:var(--t2);margin-bottom:5px}
.setting-textarea{width:100%;padding:10px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);color:var(--t);font-family:var(--f);font-size:13px;resize:vertical;outline:none}
.setting-textarea:focus{border-color:var(--ac)}
.setting-input{width:100%;padding:8px 10px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);color:var(--t);font-size:13px;outline:none}
.setting-input:focus{border-color:var(--ac)}
input[type="range"]{width:100%;accent-color:var(--ac);background:transparent}
input[type="number"]{-moz-appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.toggle-wrapper{position:relative}
.toggle-label{display:inline-block;width:40px;height:22px;background:var(--bg3);border:1px solid var(--bd);border-radius:11px;cursor:pointer;position:relative;transition:background .3s}
.toggle-label::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--t2);border-radius:50%;transition:all .3s}
#streamToggle:checked+.toggle-label{background:var(--acg);border-color:var(--ac)}
#streamToggle:checked+.toggle-label::after{left:20px;background:var(--ac)}
#streamToggle{display:none}

/* Picker */
.picker-modal{width:520px;max-width:90vw;max-height:85vh}
.picker-search{position:relative;margin:10px 16px}
.picker-search .psi{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--t3);pointer-events:none}
.picker-search input{width:100%;padding:9px 12px 9px 36px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);color:var(--t);font-size:13px;outline:none}
.picker-search input:focus{border-color:var(--ac)}
.picker-list{padding:0 16px 16px;max-height:50vh;overflow-y:auto}
.picker-list::-webkit-scrollbar{width:4px}
.picker-list::-webkit-scrollbar-thumb{background:var(--bdl);border-radius:2px}
.pg{margin-bottom:14px}
.pgt{font-size:11px;font-weight:600;color:var(--t3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.pgt .prov-icon{width:14px;height:14px}
.mi{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--r);cursor:pointer}
.mi:hover{background:var(--bh)}
.mi.sel{background:var(--acg)}
.mn{font-size:13px;font-weight:500}
.md{font-size:11px;color:var(--t3)}
.mtb{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--bg3);color:var(--t3);margin-left:auto;white-space:nowrap}
.mtb.im{background:rgba(255,200,50,0.1);color:var(--yl)}
.mtb.re{background:rgba(96,165,250,0.1);color:var(--bl)}
.mtb.vd{background:rgba(255,107,157,0.1);color:#ff6b9d}

/* Feedback */
.feedback-modal{width:440px;max-width:90vw}
.star-rating{display:flex;gap:4px}
.star-rating button{background:none;border:none;font-size:22px;color:var(--t3);cursor:pointer;padding:2px;transition:color .15s}
.star-rating button:hover,.star-rating button.active{color:var(--yl)}

/* Artifact Panel */
.artifact-drag-handle{width:10px;cursor:col-resize;display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:5;position:relative}
.artifact-drag-handle::before{content:'';position:absolute;top:0;bottom:0;left:4px;width:1px;background:var(--bd);transition:all .2s}
.artifact-drag-handle:hover::before,.artifact-drag-handle.active::before{background:var(--ac);width:2px;left:3.5px}
.drag-dot{width:5px;height:24px;border-radius:3px;background:var(--bg3);border:1px solid var(--bd);z-index:1;transition:all .2s}
.artifact-drag-handle:hover .drag-dot,.artifact-drag-handle.active .drag-dot{background:var(--acg);border-color:var(--ac)}
.artifact-panel{flex:0 0 45%;min-width:300px;display:flex;flex-direction:column;border-left:1px solid var(--bd);background:var(--bg2);overflow:hidden;transition:flex .2s}
.artifact-panel.expanded{flex:0 0 80%!important}
.artifact-header{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-bottom:1px solid var(--bd);background:var(--bg3);flex-shrink:0;gap:8px}
.artifact-tabs{display:flex;gap:2px;background:var(--bg4);border-radius:6px;padding:2px}
.art-tab{padding:4px 12px;border:none;border-radius:4px;background:transparent;color:var(--t3);cursor:pointer;font-size:12px;transition:all .15s}
.art-tab.active{background:var(--bg2);color:var(--t);box-shadow:0 1px 3px rgba(0,0,0,.3)}
.art-tab:hover:not(.active){color:var(--t2)}
.artifact-actions{display:flex;gap:2px}
.art-btn{width:28px;height:28px;border:none;border-radius:4px;background:transparent;color:var(--t3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}
.art-btn:hover{background:var(--bh);color:var(--t)}
.art-btn.art-close:hover{color:var(--re)}
.artifact-body{flex:1;overflow:hidden;position:relative}
.art-view{width:100%;height:100%;border:none;display:block}
#artCodeView{margin:0;padding:16px;overflow:auto;background:var(--bg);white-space:pre-wrap;word-wrap:break-word;font-family:var(--fm);font-size:13px;line-height:1.6;color:var(--t2)}

/* Merge */
.merge-modal{width:460px;max-width:90vw}
.merge-modal p{font-size:13px;color:var(--t2);margin-bottom:12px}
.merge-model-select{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.merge-opt{display:flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg3);color:var(--t2);cursor:pointer;font-size:13px;transition:all .2s}
.merge-opt:hover{border-color:var(--ac);color:var(--t)}
.merge-opt.sel{background:var(--acg);border-color:var(--ac);color:var(--ac)}
.merge-opt .prov-icon{width:16px;height:16px}
.btn-primary{width:100%;padding:10px;border:none;border-radius:var(--r);background:linear-gradient(135deg,var(--ac2),var(--ac));color:white;cursor:pointer;font-size:13px;font-weight:500;margin-top:8px}
.btn-primary:hover{opacity:.9}
.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-secondary{width:100%;padding:10px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg2);color:var(--t2);cursor:pointer;font-size:13px;font-weight:500;margin-top:8px}
.btn-secondary:hover{background:var(--bg3)}

/* Notification */
.notification{position:fixed;bottom:20px;right:20px;padding:10px 18px;border-radius:var(--r);background:var(--bg4);border:1px solid var(--bd);color:var(--t);font-size:13px;box-shadow:var(--sh);z-index:2000;animation:slideIn .3s ease;max-width:360px}
@keyframes slideIn{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Responsive */
@media(max-width:768px){
  #sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%)}
  #sidebar.open{transform:translateX(0)}
  .settings-modal,.picker-modal,.merge-modal{width:95vw}
  .mc{max-width:92%}
  .btn-model-inline .model-inline-name{max-width:70px}
  .main-content{flex-direction:column}
  .artifact-drag-handle{display:none!important}
  .artifact-panel{flex:0 0 50vh!important;border-left:none;border-top:1px solid var(--bd);min-width:auto}
  .artifact-panel.expanded{flex:0 0 80vh!important}
}

@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes scaleIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}

/* Streaming cursor */
.streaming .mc::after{content:'';display:inline-block;width:2px;height:1.1em;background:var(--ac);margin-left:2px;vertical-align:text-bottom;animation:curB 1s step-end infinite}
@keyframes curB{0%,100%{opacity:1}50%{opacity:0}}

/* Message animations */
.msg{animation:slideUp .3s cubic-bezier(.16,1,.3,1) both}
.msg+.msg{animation-delay:.05s}
.msg:hover .ma{border-color:var(--ac)}

/* Thinking block smooth expand */
.thinking-block .think-content{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 12px}
.thinking-block[open] .think-content{max-height:500px;padding:8px 12px 12px}

/* Modal entrance */
.modal-overlay{animation:fadeIn .2s ease}
.modal-overlay .modal{animation:scaleIn .25s cubic-bezier(.16,1,.3,1)}

/* Input focus gradient */
.input-wrapper{position:relative}
.input-wrapper::before{content:'';position:absolute;inset:-2px;border-radius:14px;background:linear-gradient(135deg,var(--ac2),var(--bl),var(--ac));opacity:0;transition:opacity .3s;z-index:-1;pointer-events:none}
.input-wrapper:focus-within::before{opacity:.5}

/* Notification improvements */
.notification{display:flex;align-items:center;gap:8px;min-width:200px;transform:translateX(120%);transition:transform .35s cubic-bezier(.16,1,.3,1);opacity:0}
.notification.show{transform:translateX(0);opacity:1}
.notification.error{border-color:var(--re)}
.notification.success{border-color:var(--gr)}
.notification.warning{border-color:var(--yl)}
.notification .ni{font-size:16px;flex-shrink:0}
.notification .nt{flex:1;font-size:13px}

/* Send button animation */
.btn-send{transition:all .15s;overflow:hidden;position:relative}
.btn-send:hover{transform:scale(1.08)}
.btn-send:active{transform:scale(.94)}
.btn-send svg{transition:transform .15s}
.btn-send:hover svg{transform:translateX(1px) scale(1.1)}
.btn-send.stop{background:var(--re)}
.btn-send.stop:hover{background:#ff5252}
.btn-send.stop:active{transform:scale(.94)}

/* Code block polish */
.mc pre{border-left:3px solid var(--ac);transition:border-color .2s}
.mc pre:hover{border-left-color:var(--bl)}
.ccb{transition:all .15s}
.ccb:active{transform:scale(.92)}

/* Keyboard shortcut hints */
kbd{padding:1px 5px;border-radius:3px;background:var(--bg3);border:1px solid var(--bd);font-family:var(--f);font-size:11px;color:var(--t3)}

/* Mobile sidebar backdrop */
@media(max-width:768px){
  #sidebar.open::after{content:'';position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:-1}
}

/* Custom selection */
::selection{background:rgba(200,121,255,.3);color:var(--t)}
::-moz-selection{background:rgba(200,121,255,.3);color:var(--t)}

/* Scrollbar refinement */
.chat-container::-webkit-scrollbar{width:4px}
.chat-container::-webkit-scrollbar-thumb{background:var(--bdl);border-radius:2px;min-height:40px}
.chat-container::-webkit-scrollbar-thumb:hover{background:var(--t3)}

/* File preview */
.file-preview{padding:8px 12px;gap:8px;transition:all .25s ease}
.file-preview .fi{font-size:16px;flex-shrink:0}
.file-preview .fs{font-size:11px;color:var(--t3);flex-shrink:0;margin-left:auto}

/* Active user count animation */
.active-users{transition:opacity .3s}

/* Suggestion chips stagger entrance */
.suggestion-chip{animation:slideUp .4s cubic-bezier(.16,1,.3,1) both}
.suggestion-chip:nth-child(1){animation-delay:.1s}
.suggestion-chip:nth-child(2){animation-delay:.17s}
.suggestion-chip:nth-child(3){animation-delay:.24s}
.suggestion-chip:nth-child(4){animation-delay:.31s}

/* Loading screen */
.loading-screen{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;background:radial-gradient(circle at 30% 20%, rgba(139,61,240,0.18) 0%, transparent 55%),radial-gradient(circle at 70% 80%, rgba(94,90,255,0.14) 0%, transparent 55%),radial-gradient(circle at 50% 50%, #140b1c 0%, #05030a 100%);overflow:hidden;transition:opacity .5s ease,visibility .5s ease}
.loading-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}
.load-wrap{width:min(40vw,40vh);aspect-ratio:1/1;animation:lz 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes lz{0%{transform:scale(.85);opacity:0}100%{transform:scale(1);opacity:1}}
.load-svg{width:100%;height:100%;overflow:visible}
.lbgl{stroke-dasharray:6 10;animation:ld 5s linear infinite;opacity:.18}
@keyframes ld{from{stroke-dashoffset:0}to{stroke-dashoffset:-160}}
.lh{animation:ls 9s linear infinite,lhs 3s ease-in-out infinite;transform-origin:50px 50px}
.lh2{animation:lsr 14s linear infinite,lhs 4s ease-in-out infinite .6s;transform-origin:50px 50px}
.lh3{animation:ls 20s linear infinite;transform-origin:50px 50px;opacity:.2}
@keyframes ls{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes lsr{from{transform:rotate(360deg)}to{transform:rotate(0)}}
@keyframes lhs{0%,100%{opacity:.35}50%{opacity:.75}}
.lp{animation:lb 4s ease-in-out infinite;transform-origin:50px 50px}
@keyframes lb{0%,100%{filter:drop-shadow(0 0 0 rgba(200,121,255,0));transform:scale(1)}50%{filter:drop-shadow(0 0 5px rgba(180,110,255,.5));transform:scale(1.007)}}
.lbo{stroke-dasharray:320;stroke-dashoffset:320;animation:lt 5s ease-in-out infinite}
@keyframes lt{0%{stroke-dashoffset:320;opacity:.1}35%{stroke-dashoffset:0;opacity:.65}70%{stroke-dashoffset:0;opacity:.65}100%{stroke-dashoffset:-320;opacity:.1}}
.lbi{stroke-dasharray:300;stroke-dashoffset:-300;animation:ltr 6.5s ease-in-out infinite .4s;opacity:.35}
@keyframes ltr{0%{stroke-dashoffset:-300}50%{stroke-dashoffset:0}100%{stroke-dashoffset:300}}
.lu{stroke-dasharray:95;stroke-dashoffset:95;animation:ldr 1.6s cubic-bezier(.34,1.56,.64,1) forwards .15s}
.lal{stroke-dasharray:55;stroke-dashoffset:55;animation:ldr 1.4s cubic-bezier(.34,1.56,.64,1) forwards .5s}
.lar{stroke-dasharray:55;stroke-dashoffset:55;animation:ldr 1.4s cubic-bezier(.34,1.56,.64,1) forwards .6s}
.lac{stroke-dasharray:26;stroke-dashoffset:26;animation:ldr 1s cubic-bezier(.34,1.56,.64,1) forwards 1s}
@keyframes ldr{to{stroke-dashoffset:0}}
.lglb{opacity:.34}
.lpu{stroke-dasharray:18 500;animation:lcu 2.6s linear infinite 1.7s}
@keyframes lcu{0%{stroke-dashoffset:95}100%{stroke-dashoffset:-420}}
.lpa1{stroke-dasharray:14 500;animation:lca1 2.3s linear infinite 2s}
@keyframes lca1{0%{stroke-dashoffset:55}100%{stroke-dashoffset:-460}}
.lpa2{stroke-dasharray:14 500;animation:lca2 2.3s linear infinite 2.15s}
@keyframes lca2{0%{stroke-dashoffset:55}100%{stroke-dashoffset:-460}}
.lpc{stroke-dasharray:10 500;animation:lcc 2s linear infinite 2.5s}
@keyframes lcc{0%{stroke-dashoffset:26}100%{stroke-dashoffset:-490}}
.lgly{animation:lpg2 1.5s ease-in-out infinite 1.7s;transform-origin:50px 50px}
@keyframes lpg2{0%,100%{filter:drop-shadow(0 0 1px #c879ff) drop-shadow(0 0 2px #8b3df0)}50%{filter:drop-shadow(0 0 6px #f4e4ff) drop-shadow(0 0 14px #c879ff) drop-shadow(0 0 26px #8b3df0)}}
.ll{animation:lfl 3.6s ease-in-out infinite 1.7s;transform-origin:50px 50px}
@keyframes lfl{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.02) rotate(.4deg)}}
.lsh{animation:lsw 2.2s ease-in-out infinite 1.7s}
@keyframes lsw{0%{transform:translateX(-70px)}50%{transform:translateX(70px)}100%{transform:translateX(70px)}}
.lga{animation:lha 5s ease-in-out infinite}
.lgb{animation:lhb 5s ease-in-out infinite}
.lgc{animation:lhc 5s ease-in-out infinite}
@keyframes lha{0%,100%{stop-color:#f4e4ff}50%{stop-color:#fff}}
@keyframes lhb{0%,100%{stop-color:#c879ff}50%{stop-color:#9db4ff}}
@keyframes lhc{0%,100%{stop-color:#8b3df0}50%{stop-color:#5f6fff}}
.ls1{animation:lor 6s linear infinite;transform-origin:50px 50px}
.ls2{animation:lor 9s linear infinite reverse;transform-origin:50px 50px}
.ls1 circle,.ls2 circle{animation:ltw 1.3s ease-in-out infinite}
@keyframes lor{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes ltw{0%,100%{opacity:.12}50%{opacity:1}}
.lq{font-family:Georgia,'Times New Roman',serif;font-style:italic;letter-spacing:.02em;text-align:center;max-width:min(70vw,480px);font-size:clamp(14px,2.4vw,19px);color:transparent;background:linear-gradient(90deg,#f4e4ff,#c879ff 45%,#8b3df0 75%,#c879ff);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;animation:lqi 1s ease-out 2.3s both,lqs 5s ease-in-out infinite 3.3s,lqg 3s ease-in-out infinite 3.3s}

/* Ask User Modal */
.ask-modal{max-width:520px;width:90vw}
.ask-question-text{background:var(--bg2);border-radius:var(--r);padding:14px;font-size:14px;line-height:1.5;color:var(--t1);border:1px solid var(--bd);margin-bottom:8px}
.ask-question-text p{margin:4px 0}
.ask-choices{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.ask-choice{padding:8px 16px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg2);color:var(--t1);cursor:pointer;font-size:13px;transition:.15s}
.ask-choice:hover{border-color:var(--ac);background:var(--ac);color:#000}
.ask-choice.sel{border-color:var(--ac);background:var(--acg);color:var(--ac)}
.ask-modal .modal-body{padding:16px 18px}
.ask-modal .setting-group label{font-size:12px;font-weight:500;color:var(--t2);margin-bottom:6px;display:block}
@keyframes lqi{from{opacity:0;transform:translateY(8px) scale(.97);filter:blur(4px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}
@keyframes lqs{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@keyframes lqg{0%,100%{filter:drop-shadow(0 0 0 rgba(200,121,255,0))}50%{filter:drop-shadow(0 0 4px rgba(200,121,255,.5))}}

/* API Key Modal */
.apikey-modal{max-width:540px;width:92vw}
.apikey-modal .modal-body{padding:18px 20px}
.apikey-modal p{line-height:1.5}
.ak-section{margin-bottom:12px}
.ak-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--t3);margin-bottom:3px}
.ak-value{font-size:13px;color:var(--bl);word-break:break-all}
.ak-key-row{display:flex;gap:6px;align-items:center}
.ak-key-row code{flex:1;padding:8px 10px;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);font-size:12px;color:var(--t);word-break:break-all}
.ak-btn-sm{padding:6px 12px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg3);color:var(--t);cursor:pointer;font-size:12px;white-space:nowrap}
.ak-btn-sm:hover{background:var(--bh);border-color:var(--ac)}
.ak-status{font-size:12px;margin:6px 0;min-height:18px}
.ak-status.ok{color:var(--gr)}
.ak-status.err{color:var(--re)}
.ak-actions{display:flex;gap:8px;margin-top:8px}
.btn-danger{padding:8px 16px;border:1px solid var(--re);border-radius:var(--r);background:rgba(255,82,82,.12);color:var(--re);cursor:pointer;font-size:13px;transition:.15s}
.btn-danger:hover{background:var(--re);color:#fff}
.ak-examples summary{user-select:none}
.ak-tabs{display:flex;gap:4px;margin-bottom:8px}
.ak-tab{padding:5px 14px;border:1px solid var(--bd);border-radius:6px;background:transparent;color:var(--t3);cursor:pointer;font-size:12px;transition:.15s}
.ak-tab:hover{background:var(--bh);color:var(--t)}
.ak-tab.active{background:var(--ac);color:#000;border-color:var(--ac)}
.ak-pre{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:12px;font-size:12px;overflow-x:auto;color:var(--t);line-height:1.5}
#akRotateWarning summary{user-select:none}

/* Generative Animation */
@keyframes genPulse {
  0%{transform:scale(1);opacity:.8}
  50%{transform:scale(1.05);opacity:1}
  100%{transform:scale(1);opacity:.8}
}
@keyframes genOrbit {
  0%{transform:rotate(0deg)}
  100%{transform:rotate(360deg)}
}
@keyframes genColorShift {
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@keyframes genSparkle {
  0%,100%{opacity:0;transform:scale(0) rotate(0deg)}
  50%{opacity:1;transform:scale(1) rotate(180deg)}
}
@keyframes genShimmer {
  0%{background-position:-200% center}
  100%{background-position:200% center}
}
.gen-loading{display:flex;align-items:center;gap:20px;padding:28px 24px}
.gen-ring{position:relative;width:56px;height:56px;flex-shrink:0}
.gen-ring-inner{position:absolute;inset:4px;border-radius:50%;background:conic-gradient(from 0deg,var(--ac2),var(--ac),var(--bl),var(--gr),var(--ac2));animation:genOrbit 2s linear infinite;mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 3px));-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 3px))}
.gen-ring-glow{position:absolute;inset:-6px;border-radius:50%;background:var(--ac);opacity:.15;filter:blur(8px);animation:genPulse 1.5s ease-in-out infinite}
.gen-ring-dot{position:absolute;top:0;left:50%;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:var(--ac);animation:genOrbit 2s linear infinite}
.gen-ring-dot2{position:absolute;bottom:0;left:50%;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--bl);animation:genOrbit 2s linear infinite reverse;animation-delay:.5s}
.gen-info{flex:1;min-width:0}
.gen-model{font-weight:600;font-size:14px;color:var(--t);margin-bottom:4px;display:flex;align-items:center;gap:8px}
.gen-model-icon{font-size:16px}
.gen-model-name{background:linear-gradient(90deg,var(--ac),var(--bl),var(--gr));background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:genShimmer 2s linear infinite;font-weight:700}
.gen-prompt{font-size:12px;color:var(--t3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gen-progress{height:2px;background:var(--bg3);border-radius:2px;margin-top:10px;overflow:hidden}
.gen-progress-bar{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--ac2),var(--ac),var(--bl));background-size:200% auto;animation:genShimmer 1.5s linear infinite;width:40%;border-radius:2px}

/* Lightbox */
.lightbox-overlay{position:fixed;inset:0;z-index:9999;background:rgba(5,2,10,.95);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);animation:lbFadeIn .25s ease}
@keyframes lbFadeIn{from{opacity:0}to{opacity:1}}
.lb-close{position:fixed;top:16px;right:16px;z-index:10;width:40px;height:40px;border:none;border-radius:50%;background:var(--bg3);color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;border:1px solid var(--bd)}
.lb-close:hover{background:var(--bh);color:var(--t);border-color:var(--ac)}
.lb-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:10;width:44px;height:44px;border:none;border-radius:50%;background:var(--bg3);color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;border:1px solid var(--bd)}
.lb-nav:hover{background:var(--bh);color:var(--ac);border-color:var(--ac)}
.lb-prev{left:16px}
.lb-next{right:16px}
.lb-toolbar{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:10;display:flex;gap:8px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--rl);padding:6px}
.lb-toolbar button{width:36px;height:36px;border:none;border-radius:50%;background:transparent;color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.lb-toolbar button:hover{background:var(--bh);color:var(--ac)}
.lb-content{display:flex;align-items:center;justify-content:center;max-width:90vw;max-height:85vh;position:relative}
.lb-content img,.lb-content video{max-width:100%;max-height:85vh;border-radius:var(--rl);object-fit:contain;box-shadow:0 8px 40px rgba(0,0,0,.6);cursor:zoom-in;transition:transform .3s ease}
.lb-content img.zoomed{cursor:zoom-out;transform:scale(1.8)}
.lb-counter{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);z-index:10;font-size:12px;color:var(--t3);background:var(--bg3);padding:4px 12px;border-radius:20px;border:1px solid var(--bd)}

/* Edit image modal inline */
.edit-image-ui{margin-top:12px;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:12px}
.edit-image-ui textarea{width:100%;padding:8px;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);color:var(--t);font-size:12px;resize:vertical;outline:none;min-height:48px;font-family:var(--f)}
.edit-image-ui textarea:focus{border-color:var(--ac)}
.edit-actions{display:flex;gap:6px;margin-top:8px}
.edit-actions button{padding:6px 14px;border-radius:6px;border:1px solid var(--bd);background:var(--bg3);color:var(--t2);cursor:pointer;font-size:12px;transition:.15s}
.edit-actions button:hover{border-color:var(--ac);color:var(--ac)}
.edit-actions .btn-edit-go{background:var(--ac);color:#000;border-color:var(--ac);font-weight:600}
.edit-actions .btn-edit-go:hover{opacity:.9}

/* Multiple images grid */
.gen-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin-top:4px}
.gen-grid .gen-image{max-width:100%;cursor:pointer}
.gen-grid .gen-image img{transition:opacity .2s}
.gen-grid .gen-image img:hover{opacity:.9}

/* Image save btn */
.img-save-btn{padding:6px 14px;border:1px solid var(--bd);border-radius:6px;background:var(--bg3);color:var(--t2);cursor:pointer;font-size:12px;display:inline-flex;align-items:center;gap:6px;transition:.15s}
.img-save-btn:hover{border-color:var(--ac);color:var(--ac)}

/* Terminal Shell */
.term-wrap{border:1px solid var(--bd);border-radius:var(--rl);overflow:hidden;margin:4px 0;background:#0d0a12;font-family:var(--fm)}
.term-bar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg3);border-bottom:1px solid var(--bd)}
.term-bar .term-icon{color:var(--gr);font-size:13px}
.term-bar .term-title{font-size:11px;font-weight:600;color:var(--t3);text-transform:uppercase;letter-spacing:.4px}
.term-bar .term-dots{margin-left:auto;display:flex;gap:5px}
.term-bar .term-dots span{width:9px;height:9px;border-radius:50%;background:var(--bdl);transition:background .2s}
.term-bar .term-dots span.term-dot-act{background:var(--gr);animation:termPulse 1s ease-in-out infinite}
@keyframes termPulse{0%,100%{opacity:1}50%{opacity:.4}}
.term-body{padding:14px;font-size:13px;line-height:1.5;color:#d0d0d0;min-height:48px}
.term-body .term-line{display:flex;align-items:flex-start;gap:10px;margin-bottom:6px}
.term-body .term-prompt{color:var(--gr);font-weight:700;flex-shrink:0;user-select:none}
.term-body .term-cmd{color:#e0e0e0;white-space:pre-wrap;word-break:break-all}
.term-body .term-output{margin:4px 0;padding:4px 0 4px 18px;border-left:2px solid var(--bdl);color:#c0c0c0;white-space:pre-wrap;word-break:break-word;font-size:12.5px;line-height:1.45}
.term-body .term-output.term-err{color:#f58a8a;border-left-color:#cc5555}
.term-body .term-exit{margin-top:8px;padding:4px 10px;border-radius:4px;font-size:11.5px;display:inline-block;background:var(--bg3)}
.term-body .term-exit.term-ok{color:var(--gr)}
.term-body .term-exit.term-fail{color:var(--re);background:rgba(255,82,82,0.1)}
.term-typing::after{content:'|';animation:tcursor .8s step-end infinite;color:var(--gr);font-weight:700}
@keyframes tcursor{0%,100%{opacity:1}50%{opacity:0}}