.darc-toggle{position:fixed;right:24px;bottom:24px;z-index:80;display:flex;align-items:center;gap:10px;min-height:52px;padding:12px 18px;border:1px solid #a3fbd0;border-radius:28px;background:var(--lime);color:var(--blue-dark);font-weight:600;cursor:pointer;box-shadow:0 6px 24px #0005}
.darc-toggle img{width:24px;height:24px;filter:brightness(.2)}
.darc-panel{position:fixed;right:24px;bottom:88px;z-index:81;width:min(380px,calc(100% - 32px));height:580px;max-height:calc(100dvh - 112px);display:flex;flex-direction:column;border:1px solid #456956;border-radius:20px;background:var(--soft);box-shadow:0 16px 60px #0009;overflow:hidden;font-size:16px;line-height:1.45}
.darc-panel[hidden]{display:none}
.darc-panel button,.darc-panel input{font:inherit}
.darc-panel button{cursor:pointer}
.darc-panel :is(button,input,a):focus-visible,.darc-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:-3px}
.darc-panel header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 14px;border-bottom:1px solid var(--line);flex-shrink:0}
.darc-panel h2{font-size:20px;line-height:1.2;letter-spacing:0}
.darc-panel header p{color:var(--muted);font-size:13px;margin-top:5px}
.darc-close{width:44px;height:44px;flex:none;border:0;border-radius:50%;color:var(--ink);background:#223b2e;font-size:28px!important}
.darc-messages{flex:1;min-height:80px;overflow-y:auto;overscroll-behavior:contain;padding:16px;display:flex;flex-direction:column;gap:12px;scrollbar-color:#456956 var(--soft)}
.darc-message{flex:none;max-width:95%;padding:12px 14px;border-radius:14px;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left}
.darc-message strong{display:block;font-size:12px;margin-bottom:5px;color:var(--muted)}
.darc-message-bot{background:#1d3227;border-bottom-left-radius:4px}
.darc-message-user{align-self:flex-end;background:#0c6743;border-bottom-right-radius:4px}
.darc-message-user strong{color:#d7f6e5}
.darc-typing{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
.darc-typing-dots{display:flex;gap:4px}
.darc-typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--lime);animation:darc-dot 1s ease-in-out infinite}
.darc-typing-dots span:nth-child(2){animation-delay:.15s}
.darc-typing-dots span:nth-child(3){animation-delay:.3s}
.darc-panel button:disabled{opacity:.5;cursor:wait}
@keyframes darc-dot{0%,80%,100%{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
@media(prefers-reduced-motion:reduce){.darc-typing-dots span{animation:none}}
.darc-shortcuts{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 12px;flex-shrink:0}
.darc-shortcuts button{padding:8px 10px;border:1px solid #456956;border-radius:16px;color:var(--ink);background:transparent;font-size:13px}
.darc-panel form{display:flex;gap:8px;padding:0 16px 12px;flex-shrink:0}
.darc-panel input{width:0;min-width:0;flex:1;border:1px solid #456956;border-radius:10px;padding:10px 12px;background:#080f0c;color:var(--ink);font-size:16px}
.darc-panel input::placeholder{color:var(--muted)}
.darc-panel form button{border:0;border-radius:10px;padding:10px 12px;background:var(--lime);color:var(--blue-dark);font-weight:600}
.darc-panel footer{padding:12px 16px;border-top:1px solid var(--line);flex-shrink:0}
.darc-human{display:block;text-align:center;color:var(--lime);font-weight:600;padding:3px 0 8px}
.darc-panel footer p{color:var(--muted);font-size:12px}
.darc-clear{background:transparent;border:0;padding:6px 0;color:var(--muted);font-size:12px!important;text-decoration:underline}
@media(max-width:480px){.darc-toggle{right:16px;bottom:16px;font-size:16px}.darc-panel{right:16px;bottom:80px;max-height:calc(100dvh - 96px)}}
@media(max-height:500px){.darc-panel{bottom:16px;max-height:calc(100dvh - 32px)}.darc-shortcuts{display:none}}
.darc-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}