:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --card: #18181b;
  --card2: #1f1f23;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --text: #e8e8f0;
  --text-2: #9999aa;
  --text-3: #55555f;
  --accent: #7c3aed;
  --accent-2: #a855f7;
  --accent-grad: linear-gradient(135deg, #7c3aed, #a855f7);
  --accent-soft: rgba(124,58,237,0.15);
  --user-bg: #1d1335;
  --user-border: rgba(124,58,237,0.3);
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --blue: #3b82f6;
  --orange: #f97316;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --radius: 14px;
  --sidebar-w: 260px;
  --input-h: 60px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{height:100%;height:100dvh;}
body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--text);height:100%;height:100dvh;overflow:hidden;display:flex;}

/* ─── SIDEBAR ─── */
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;height:100vh;height:100dvh;
  transition:transform .3s ease;z-index:100;
}
.sidebar-head{
  padding:16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.brand{display:flex;align-items:center;gap:8px;flex:1;text-decoration:none;}
.brand-logo{
  width:32px;height:32px;border-radius:9px;
  background:var(--accent-grad);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;color:#fff;
  box-shadow:0 2px 12px rgba(124,58,237,.4);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.3px;color:var(--text);}
.brand-name span{color:var(--accent-2);}
.sidebar-toggle{
  background:none;border:none;color:var(--text-2);cursor:pointer;
  width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .2s;
}
.sidebar-toggle:hover{background:var(--card);color:var(--text);}
.new-chat-btn{
  margin:12px;padding:10px;border-radius:10px;border:1px dashed var(--border2);
  background:none;color:var(--text-2);cursor:pointer;
  font-family:inherit;font-size:13px;font-weight:600;
  display:flex;align-items:center;gap:8px;transition:all .2s;
}
.new-chat-btn:hover{border-color:var(--accent);color:var(--accent);}
.sessions-list{flex:1;overflow-y:auto;padding:4px 8px;scrollbar-width:thin;scrollbar-color:var(--card) transparent;}
.sessions-list::-webkit-scrollbar{width:4px;}
.sessions-list::-webkit-scrollbar-thumb{background:var(--card2);border-radius:2px;}
.session-item{
  padding:10px 10px;border-radius:8px;cursor:pointer;
  display:flex;align-items:center;gap:8px;margin-bottom:2px;
  transition:background .15s;position:relative;
}
.session-item:hover,.session-item.active{background:var(--card);}
.session-item.active{background:var(--accent-soft);}
.session-icon{color:var(--text-3);font-size:13px;flex-shrink:0;}
.session-info{flex:1;overflow:hidden;}
.session-title{font-size:12.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text);}
.session-meta{font-size:10.5px;color:var(--text-3);margin-top:1px;}
.session-del{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--text-3);cursor:pointer;
  font-size:12px;opacity:0;transition:opacity .15s;padding:4px;
  border-radius:4px;
}
.session-item:hover .session-del{opacity:1;}
.session-del:hover{color:var(--red);}
.sidebar-footer{border-top:1px solid var(--border);padding:12px;}
.model-pick-btn{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--text);cursor:pointer;
  font-family:inherit;font-size:12.5px;font-weight:600;
  display:flex;align-items:center;gap:8px;transition:all .2s;text-align:left;
}
.model-pick-btn:hover{border-color:var(--border2);}
.model-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.model-pick-info{flex:1;overflow:hidden;}
.model-pick-name{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.model-pick-provider{font-size:10px;color:var(--text-2);margin-top:1px;}
.health-btn{
  width:100%;margin-top:8px;padding:8px;border-radius:8px;border:none;
  background:none;color:var(--text-3);cursor:pointer;
  font-family:inherit;font-size:11.5px;font-weight:500;
  display:flex;align-items:center;gap:6px;justify-content:center;transition:color .2s;
}
.health-btn:hover{color:var(--text-2);}

/* ─── MAIN ─── */
.main{flex:1;display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;min-width:0;}
.chat-header{
  height:52px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 16px;gap:12px;flex-shrink:0;
}
.menu-btn{
  display:none;background:none;border:none;color:var(--text-2);cursor:pointer;
  width:34px;height:34px;border-radius:8px;align-items:center;justify-content:center;font-size:16px;
  transition:background .2s;
}
.menu-btn:hover{background:var(--card);}
.header-model{display:flex;align-items:center;gap:8px;flex:1;}
.header-model-dot{width:8px;height:8px;border-radius:50%;}
.header-model-name{font-size:14px;font-weight:600;}
.header-model-badge{font-size:10px;color:var(--text-2);background:var(--card);padding:2px 7px;border-radius:4px;font-weight:500;}
.header-actions{display:flex;gap:6px;}
.hdr-btn{
  background:none;border:none;color:var(--text-2);cursor:pointer;
  width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .2s;
}
.hdr-btn:hover{background:var(--card);color:var(--text);}
.hdr-btn.active{color:var(--accent-2);}

/* ─── MESSAGES ─── */
.messages{flex:1;overflow-y:auto;padding:24px 0 12px;scrollbar-width:thin;scrollbar-color:var(--card) transparent;}
.messages::-webkit-scrollbar{width:4px;}
.messages::-webkit-scrollbar-thumb{background:var(--card2);border-radius:2px;}
.msg-wrap{max-width:780px;margin:0 auto;padding:0 16px;}
.msg{margin-bottom:28px;display:flex;flex-direction:column;gap:6px;animation:msg-in .25s ease;}
@keyframes msg-in{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.msg-user{align-items:flex-end;}
.msg-assistant{align-items:flex-start;}
.msg-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-3);}
.msg-meta-name{font-weight:600;color:var(--text-2);}
.msg-bubble-user{
  background:var(--user-bg);border:1px solid var(--user-border);
  padding:12px 16px;border-radius:16px 16px 4px 16px;
  max-width:85%;font-size:14px;line-height:1.6;word-wrap:break-word;
}
.msg-bubble-assistant{
  max-width:100%;font-size:14px;line-height:1.7;word-wrap:break-word;
}
.think-block{
  margin-bottom:12px;background:rgba(124,58,237,.06);border:1px solid rgba(124,58,237,.15);
  border-radius:10px;overflow:hidden;
}
.think-toggle{
  width:100%;padding:10px 14px;background:none;border:none;
  color:var(--text-2);cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:600;
  display:flex;align-items:center;gap:8px;text-align:left;transition:background .2s;
}
.think-toggle:hover{background:rgba(124,58,237,.08);}
.think-toggle i{transition:transform .25s;font-size:11px;}
.think-toggle.open i{transform:rotate(90deg);}
.think-content{
  padding:0 14px 12px;font-size:12.5px;color:var(--text-2);line-height:1.7;
  border-top:1px solid rgba(124,58,237,.1);max-height:300px;overflow-y:auto;
  display:none;
}
.think-content.open{display:block;}
.think-content pre{background:transparent!important;padding:0!important;margin:0;}

/* ─── MARKDOWN ─── */
.msg-bubble-assistant h1,.msg-bubble-assistant h2,.msg-bubble-assistant h3{margin:16px 0 8px;font-weight:700;line-height:1.3;}
.msg-bubble-assistant h1{font-size:20px;}
.msg-bubble-assistant h2{font-size:17px;}
.msg-bubble-assistant h3{font-size:15px;}
.msg-bubble-assistant p{margin-bottom:10px;}
.msg-bubble-assistant p:last-child{margin-bottom:0;}
.msg-bubble-assistant ul,.msg-bubble-assistant ol{padding-left:20px;margin-bottom:10px;}
.msg-bubble-assistant li{margin-bottom:4px;}
.msg-bubble-assistant strong{font-weight:700;color:var(--text);}
.msg-bubble-assistant em{color:var(--text-2);}
.msg-bubble-assistant blockquote{
  border-left:3px solid var(--accent);padding:8px 14px;
  margin:10px 0;background:var(--accent-soft);border-radius:0 8px 8px 0;
  color:var(--text-2);
}
.msg-bubble-assistant hr{border:none;border-top:1px solid var(--border);margin:14px 0;}
.msg-bubble-assistant a{color:var(--accent-2);text-decoration:none;}
.msg-bubble-assistant a:hover{text-decoration:underline;}
.msg-bubble-assistant table{width:100%;border-collapse:collapse;margin:10px 0;font-size:13px;}
.msg-bubble-assistant th{background:var(--card);padding:8px 12px;text-align:left;font-weight:600;border-bottom:1px solid var(--border2);}
.msg-bubble-assistant td{padding:8px 12px;border-bottom:1px solid var(--border);}
.msg-bubble-assistant img{max-width:100%;border-radius:8px;margin:8px 0;}
/* inline code */
.msg-bubble-assistant :not(pre) > code{
  background:var(--card);border:1px solid var(--border);
  padding:2px 6px;border-radius:5px;font-family:'JetBrains Mono',monospace;
  font-size:12.5px;color:#e879f9;
}

/* ─── CODE BLOCKS ─── */
.code-wrap{
  margin:12px 0;border-radius:10px;overflow:hidden;
  border:1px solid var(--border);background:#0d1117;
}
.code-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 14px;background:#161b22;border-bottom:1px solid #30363d;
}
.code-lang{font-size:11.5px;font-weight:600;color:#8b949e;font-family:'JetBrains Mono',monospace;letter-spacing:.5px;text-transform:uppercase;}
.code-actions{display:flex;gap:6px;}
.code-btn{
  padding:4px 10px;border-radius:6px;border:1px solid #30363d;
  background:none;color:#8b949e;cursor:pointer;
  font-family:inherit;font-size:11px;font-weight:600;
  display:flex;align-items:center;gap:5px;transition:all .2s;
}
.code-btn:hover{background:#21262d;color:#c9d1d9;}
.code-btn.copied{color:var(--green);border-color:var(--green);}
.code-btn.preview-btn{color:#a78bfa;border-color:rgba(167,139,250,.3);}
.code-btn.preview-btn:hover{background:rgba(167,139,250,.1);color:#c4b5fd;}
.code-scroll{overflow-x:auto;max-height:480px;}
.code-scroll pre{margin:0!important;background:transparent!important;border-radius:0!important;}
.code-scroll pre code{font-family:'JetBrains Mono',monospace!important;font-size:12.5px!important;line-height:1.6!important;}

/* ─── SEARCH RESULTS ─── */
.search-ctx{
  margin-bottom:12px;background:rgba(59,130,246,.06);border:1px solid rgba(59,130,246,.2);
  border-radius:10px;overflow:hidden;
}
.search-ctx-head{
  padding:10px 14px;font-size:12px;font-weight:600;color:#60a5fa;
  display:flex;align-items:center;gap:7px;border-bottom:1px solid rgba(59,130,246,.1);
}
.search-result-item{padding:8px 14px;border-bottom:1px solid rgba(59,130,246,.07);font-size:12px;}
.search-result-item:last-child{border-bottom:none;}
.search-result-item a{color:#93c5fd;text-decoration:none;font-weight:500;}
.search-result-item a:hover{text-decoration:underline;}
.search-result-snippet{color:var(--text-2);margin-top:2px;font-size:11.5px;line-height:1.5;}

/* ─── IMG in response ─── */
.resp-img{max-width:100%;border-radius:8px;cursor:pointer;display:block;margin:8px 0;}

/* ─── LOADING ─── */
.typing-indicator{
  display:flex;align-items:center;gap:4px;padding:8px 0;
}
.typing-dot{
  width:7px;height:7px;border-radius:50%;background:var(--text-3);
  animation:typing .9s infinite;
}
.typing-dot:nth-child(2){animation-delay:.15s;}
.typing-dot:nth-child(3){animation-delay:.3s;}
@keyframes typing{0%,60%,100%{transform:none;opacity:.4;}30%{transform:translateY(-5px);opacity:1;}}

/* ─── WELCOME ─── */
.welcome{
  max-width:680px;margin:40px auto 0;padding:0 16px;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.welcome-logo{
  width:64px;height:64px;border-radius:18px;
  background:var(--accent-grad);display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:900;color:#fff;margin-bottom:20px;
  box-shadow:0 4px 24px rgba(124,58,237,.4);
}
.welcome h1{font-size:28px;font-weight:800;letter-spacing:-.5px;margin-bottom:8px;}
.welcome h1 span{background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.welcome p{font-size:14px;color:var(--text-2);line-height:1.7;max-width:440px;margin-bottom:28px;}
.welcome-suggestions{display:flex;flex-direction:column;gap:8px;width:100%;max-width:520px;}
.sugg-btn{
  padding:12px 16px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--text-2);cursor:pointer;
  font-family:inherit;font-size:13px;text-align:left;transition:all .2s;
  display:flex;align-items:center;gap:10px;
}
.sugg-btn:hover{border-color:var(--accent);color:var(--text);background:var(--card2);}
.sugg-btn i{color:var(--accent-2);font-size:13px;flex-shrink:0;}

/* ─── COPY ACTION ON MSG ─── */
.msg-actions{display:flex;gap:4px;padding-top:4px;}
.msg-action-btn{
  background:none;border:none;color:var(--text-3);cursor:pointer;
  padding:4px 8px;border-radius:6px;font-size:11px;font-family:inherit;font-weight:500;
  display:flex;align-items:center;gap:5px;transition:all .15s;
}
.msg-action-btn:hover{background:var(--card);color:var(--text-2);}

/* ─── INPUT AREA ─── */
.input-area{
  border-top:1px solid var(--border);
  padding:12px 16px max(16px, env(safe-area-inset-bottom));
  flex-shrink:0;background:var(--surface);
}
.input-wrap{max-width:780px;margin:0 auto;}
.search-banner{
  margin-bottom:8px;padding:8px 12px;border-radius:8px;
  background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);
  font-size:12px;color:#60a5fa;display:flex;align-items:center;gap:7px;
}
.search-banner.hidden{display:none;}
.scrape-banner{
  margin-bottom:8px;padding:8px 12px;border-radius:8px;
  background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.2);
  font-size:12px;color:#4ade80;display:flex;align-items:center;gap:7px;
}
.scrape-banner.hidden{display:none;}
.input-box{
  display:flex;align-items:flex-end;gap:10px;
  background:var(--card);border:1px solid var(--border2);border-radius:14px;
  padding:10px 10px 10px 14px;transition:border-color .2s;
}
.input-box:focus-within{border-color:var(--accent);}
.input-textarea{
  flex:1;background:none;border:none;outline:none;resize:none;
  color:var(--text);font-family:inherit;font-size:14px;line-height:1.5;
  max-height:180px;overflow-y:auto;scrollbar-width:thin;
}
.input-textarea::placeholder{color:var(--text-3);}
.input-actions{display:flex;align-items:center;gap:6px;}
.ia-btn{
  width:36px;height:36px;border-radius:8px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .2s;background:none;color:var(--text-2);
}
.ia-btn:hover{background:var(--card2);color:var(--text);}
.ia-btn.active{color:var(--accent-2);}
.ia-btn.active.search-active{color:var(--blue);}
.send-btn{
  width:36px;height:36px;border-radius:8px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  background:var(--accent-grad);color:#fff;transition:all .2s;flex-shrink:0;
}
.send-btn:hover{opacity:.85;}
.send-btn:disabled{opacity:.4;cursor:not-allowed;}
.input-footer{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:8px;font-size:11px;color:var(--text-3);
}
.input-model-mobile{display:none;}

/* ─── MODALS ─── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:400;
  display:flex;align-items:center;justify-content:center;padding:20px;
  backdrop-filter:blur(6px);
}
.modal-overlay.hidden{display:none;}
.modal{
  background:var(--card);border:1px solid var(--border2);border-radius:20px;
  width:100%;max-width:560px;max-height:85vh;display:flex;flex-direction:column;
  box-shadow:var(--shadow);overflow:hidden;
  animation:modal-in .25s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modal-in{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:none;}}
.modal-head{
  padding:18px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.modal-title{font-size:16px;font-weight:700;}
.modal-close{
  background:none;border:none;color:var(--text-2);cursor:pointer;
  width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:all .2s;
}
.modal-close:hover{background:var(--card2);color:var(--text);}
.modal-body{overflow-y:auto;padding:16px 20px;scrollbar-width:thin;scrollbar-color:var(--card2) transparent;}

/* Model picker modal */
.model-group-label{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.8px;text-transform:uppercase;margin:14px 0 6px;padding:0 4px;}
.model-option{
  padding:12px 14px;border-radius:10px;border:1px solid transparent;
  cursor:pointer;margin-bottom:6px;transition:all .2s;display:flex;align-items:center;gap:12px;
}
.model-option:hover{background:var(--card2);}
.model-option.selected{background:var(--accent-soft);border-color:rgba(124,58,237,.3);}
.model-option.offline{opacity:.5;pointer-events:none;}
.model-color{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.model-info{flex:1;min-width:0;}
.model-name-row{display:flex;align-items:center;gap:8px;}
.model-main-name{font-size:13.5px;font-weight:600;}
.model-badge{
  font-size:10px;padding:2px 7px;border-radius:4px;font-weight:600;
  background:var(--card2);color:var(--text-2);
}
.model-desc{font-size:11.5px;color:var(--text-2);margin-top:3px;}
.model-caps{display:flex;gap:4px;margin-top:5px;flex-wrap:wrap;}
.model-cap{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--card);color:var(--text-3);font-weight:500;}
.model-status-badge{
  font-size:10px;padding:3px 8px;border-radius:6px;font-weight:600;flex-shrink:0;
}
.status-online{background:rgba(34,197,94,.15);color:var(--green);}
.status-offline{background:rgba(239,68,68,.15);color:var(--red);}
.status-checking{background:rgba(234,179,8,.15);color:var(--yellow);}
.status-unknown{background:var(--card2);color:var(--text-3);}

/* Health modal */
.health-row{
  display:flex;align-items:center;gap:12px;padding:12px 0;
  border-bottom:1px solid var(--border);
}
.health-row:last-child{border-bottom:none;}
.health-model-name{flex:1;font-size:13px;font-weight:600;}
.health-provider{font-size:11px;color:var(--text-3);}
.health-resp{font-size:11px;color:var(--text-2);text-align:right;min-width:60px;}

/* Preview modal */
.preview-modal{
  background:#1e1e2e;max-width:95vw;width:95vw;max-height:92vh;
}
.preview-header{
  padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;
}
.preview-title{font-size:13px;font-weight:600;color:#cdd6f4;}
.preview-tabs{display:flex;gap:4px;}
.preview-tab{
  padding:5px 12px;border-radius:6px;border:none;cursor:pointer;
  font-family:inherit;font-size:12px;font-weight:600;transition:all .2s;
  background:rgba(255,255,255,.05);color:#a6adc8;
}
.preview-tab.active{background:#313244;color:#cdd6f4;}
.preview-iframe{width:100%;height:calc(92vh - 60px);border:none;background:#fff;display:block;}
.preview-source{display:none;padding:16px;overflow:auto;height:calc(92vh - 60px);}
.preview-source.show{display:block;}

/* Sidebar overlay for mobile */
.sidebar-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99;
  display:none;
}
.sidebar-overlay.show{display:block;}

/* ─── MOBILE ─── */
@media(max-width:768px){
  .sidebar{
    position:fixed;left:0;top:0;z-index:100;
    height:100vh;height:100dvh;
    transform:translateX(-100%);
  }
  .sidebar.open{transform:none;}
  .sidebar-overlay.show{display:block;}
  .menu-btn{display:flex;}
  .input-model-mobile{display:block;font-size:11px;color:var(--text-2);}
  .input-model-mobile strong{color:var(--accent-2);}
  .welcome{padding-top:20px;margin-top:0;}
  .welcome h1{font-size:22px;}
  .welcome-logo{width:52px;height:52px;font-size:22px;}
  .welcome p{font-size:13px;}
  .sugg-btn{font-size:12.5px;padding:11px 14px;}
  .input-area{
    padding:10px 12px max(12px, env(safe-area-inset-bottom));
  }
  .input-footer{font-size:10.5px;}
  /* Hide disclaimer text on mobile — saves vertical space */
  .input-footer > span:last-child{display:none;}
  .chat-header{padding:0 12px;}
  .msg-wrap{padding:0 12px;}
}

${code}