/* 草原小智 · 站内 AI 助手 */
.kba-root{position:fixed;z-index:860;width:72px;height:72px;font-family:var(--sans);color:#eafaff}
.kba-root.dragging{user-select:none}
.kba-orb{position:relative;width:72px;height:72px;border-radius:50%;cursor:grab;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 35% 30%,#f4fff9,#d8f2e3 58%,#b9e3ca);border:1px solid rgba(34,197,94,.5);box-shadow:0 14px 36px rgba(0,0,0,.45),0 0 0 5px rgba(34,197,94,.08);transition:transform .2s,box-shadow .2s}
.kba-orb:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 18px 44px rgba(0,0,0,.5),0 0 0 7px rgba(34,197,94,.12)}
.kba-orb img{width:56px;height:56px;border-radius:50%;object-fit:cover;position:relative;z-index:2}
.kba-orb-pulse{position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(74,222,128,.5);animation:kbaPulse 2.8s ease-out infinite}
.kba-orb-pulse::after{content:"";position:absolute;inset:8px;border-radius:50%;border:1px solid rgba(56,189,248,.35);animation:kbaPulse 2.8s ease-out .9s infinite}
@keyframes kbaPulse{0%{transform:scale(.92);opacity:.9}70%{transform:scale(1.35);opacity:0}100%{opacity:0}}
.kba-online{position:absolute;right:3px;bottom:4px;width:13px;height:13px;border-radius:50%;background:#22c55e;border:2px solid #07131f;box-shadow:0 0 10px rgba(34,197,94,.9);z-index:3}
.kba-root.open .kba-orb{display:none}
.kba-panel{display:none;position:absolute;left:0;top:0;width:392px;height:min(640px,calc(100vh - 28px));flex-direction:column;overflow:hidden;border:1px solid rgba(142,216,255,.2);border-radius:17px;background:linear-gradient(180deg,rgba(7,24,33,.985),rgba(4,14,23,.99));box-shadow:0 28px 80px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.kba-root.open .kba-panel{display:flex;animation:kbaIn .24s ease-out}
.kba-root.open{width:392px;height:min(640px,calc(100vh - 28px))}
@keyframes kbaIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.kba-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 13px 10px;border-bottom:1px solid rgba(142,216,255,.1);background:linear-gradient(120deg,rgba(14,58,42,.72),rgba(7,30,44,.55));cursor:move;flex-shrink:0;position:relative;z-index:7}
.kba-brand{display:flex;align-items:center;gap:9px;min-width:0}
.kba-brand img{width:36px;height:36px;border-radius:50%;object-fit:cover;border:1px solid rgba(74,222,128,.42);background:#fff;flex-shrink:0}
.kba-brand b{display:block;font-size:12px;color:#edfaff;letter-spacing:.04em}
.kba-brand span{display:block;font-size:7.5px;color:#7fbfa2;margin-top:2px;white-space:nowrap}
.kba-head-actions{display:flex;gap:4px;flex-shrink:0}
.kba-icon{border:1px solid rgba(142,216,255,.14);background:rgba(142,216,255,.05);color:#9fc3d6;width:25px;height:25px;border-radius:7px;cursor:pointer;font-size:12px;line-height:1;display:flex;align-items:center;justify-content:center}
.kba-icon:hover{background:rgba(142,216,255,.15);color:#eafaff}
.kba-close:hover{background:rgba(255,90,90,.18);border-color:rgba(255,120,120,.45);color:#ffd7d7}
.kba-statusline{display:flex;justify-content:space-between;gap:8px;padding:5px 14px;border-bottom:1px solid rgba(142,216,255,.06);font-size:8px;color:#6f8ca3;flex-shrink:0}
.kba-status{font-family:var(--mono);letter-spacing:.04em}
.kba-status.ok{color:#6ee7a8}
.kba-status.warn{color:#facc15}
.kba-log{flex:1;min-height:0;overflow-y:auto;padding:12px 12px 6px;display:flex;flex-direction:column;gap:10px}
.kba-msg{display:flex;align-items:flex-start;gap:7px;max-width:100%}
.kba-msg.user{flex-direction:row-reverse}
.kba-msg-av{width:25px;height:25px;border-radius:50%;flex-shrink:0;overflow:hidden;background:#123a4a;display:flex;align-items:center;justify-content:center;font-size:9px;color:#b8ecff}
.kba-msg-av img{width:100%;height:100%;object-fit:cover}
.kba-bubble{max-width:84%;padding:8px 11px;border-radius:11px;font-size:10.5px;line-height:1.65;color:#cfe8f5;background:rgba(20,48,64,.72);border:1px solid rgba(142,216,255,.1);word-break:break-word}
.kba-msg.user .kba-bubble{background:linear-gradient(135deg,rgba(14,116,144,.72),rgba(8,70,95,.8));border-color:rgba(56,189,248,.28);color:#edfaff}
.kba-msg.action .kba-bubble{background:rgba(34,197,94,.08);border-color:rgba(74,222,128,.25);color:#a7f3c8;font-size:9px}
.kba-typing{display:flex;gap:4px;align-items:center;min-height:32px}
.kba-typing i{width:5px;height:5px;border-radius:50%;background:#8ed8ff;animation:kbaDot 1s infinite}
.kba-typing i:nth-child(2){animation-delay:.15s}.kba-typing i:nth-child(3){animation-delay:.3s}
@keyframes kbaDot{0%,80%,100%{transform:translateY(0);opacity:.35}40%{transform:translateY(-4px);opacity:1}}
.kba-quick{display:flex;gap:5px;padding:5px 11px 7px;flex-wrap:wrap;border-top:1px solid rgba(142,216,255,.06);flex-shrink:0}
.kba-quick button{border:1px solid rgba(142,216,255,.14);background:rgba(142,216,255,.04);color:#9fc3d6;border-radius:12px;padding:3px 8px;font-size:8px;cursor:pointer;white-space:nowrap}
.kba-quick button:hover{border-color:rgba(74,222,128,.45);color:#c9ffe0;background:rgba(34,197,94,.08)}
.kba-composer{display:flex;align-items:flex-end;gap:7px;padding:8px 10px;border-top:1px solid rgba(142,216,255,.08);flex-shrink:0}
.kba-input{flex:1;min-height:34px;max-height:110px;resize:none;background:rgba(3,15,24,.82);border:1px solid rgba(142,216,255,.18);border-radius:9px;color:#eafaff;font-size:10.5px;line-height:1.5;padding:8px 9px;outline:none;font-family:var(--sans)}
.kba-input:focus{border-color:rgba(74,222,128,.5);box-shadow:0 0 0 3px rgba(34,197,94,.08)}
.kba-input::placeholder{color:#5f7f95}
.kba-send{width:34px;height:34px;border:0;border-radius:9px;background:linear-gradient(135deg,#22c55e,#0ea5e9);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.kba-send:hover{filter:brightness(1.08)}
.kba-send:disabled{opacity:.6;cursor:wait}
.kba-send svg{width:15px;height:15px;fill:none;stroke:#fff;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.kba-spin{width:13px;height:13px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:kbaSpin .8s linear infinite}
@keyframes kbaSpin{to{transform:rotate(360deg)}}
.kba-note{margin:0;padding:0 12px 8px;font-size:7.2px;line-height:1.5;color:#537386;text-align:center;flex-shrink:0}
.kba-setup{position:absolute;inset:59px 0 0;z-index:5;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(3,12,19,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.kba-setup[hidden]{display:none}
.kba-setup-card{width:100%;border:1px solid rgba(142,216,255,.18);border-radius:15px;background:linear-gradient(160deg,rgba(12,38,44,.98),rgba(5,17,27,.99));padding:20px 18px 16px;text-align:center;box-shadow:0 22px 50px rgba(0,0,0,.45)}
.kba-setup-card img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#fff;border:2px solid rgba(74,222,128,.5);box-shadow:0 8px 22px rgba(0,0,0,.35)}
.kba-setup-card h4{font-size:13px;color:#eafaff;margin:10px 0 6px;font-weight:600;letter-spacing:.04em}
.kba-setup-card p{font-size:9px;line-height:1.65;color:#8faec7;margin:0 0 12px;text-align:left}
.kba-setup-card label{display:block;font-size:8px;color:#6f8ca3;text-align:left;margin-bottom:5px;letter-spacing:.06em}
.kba-keyinput{width:100%;background:rgba(3,15,24,.9);border:1px solid rgba(142,216,255,.2);border-radius:8px;padding:9px 10px;color:#eafaff;font-size:10.5px;outline:none;font-family:var(--mono)}
.kba-keyinput:focus{border-color:rgba(74,222,128,.55)}
.kba-setup-err{font-size:8.5px!important;color:#ff9a9a!important;min-height:13px;margin:6px 0 2px!important}
.kba-setup-actions{display:flex;gap:7px;margin-top:4px}
.kba-setup-actions button{flex:1;border-radius:8px;padding:8px;font-size:9.5px;cursor:pointer;border:1px solid rgba(142,216,255,.2);background:rgba(142,216,255,.06);color:#cfe8f5}
.kba-key-save{background:linear-gradient(135deg,#22c55e,#0ea5e9)!important;border:0!important;color:#fff!important;font-weight:600}
.kba-key-save:hover{filter:brightness(1.08)}
.kba-setup-card small{display:block;font-size:7.2px;color:#537386;line-height:1.6;margin-top:10px;text-align:left}
.kba-setup-card small a{color:#7dd3fc;text-decoration:none}
.kba-toast{position:absolute;left:50%;bottom:72px;transform:translateX(-50%);z-index:8;background:rgba(8,30,32,.96);border:1px solid rgba(74,222,128,.4);color:#c9ffe0;font-size:9px;padding:6px 11px;border-radius:14px;white-space:nowrap;transition:opacity .3s,transform .3s}
.kba-toast.out{opacity:0;transform:translateX(-50%) translateY(6px)}
@media(max-width:640px){.kba-panel{width:calc(100vw - 24px);height:calc(100vh - 24px)}.kba-root.open{width:calc(100vw - 24px);height:calc(100vh - 24px)}.kba-brand span{font-size:6.8px}}