/* ROSE 助手 · 悬浮球与抽屉（全站共用） */

.rai-ball{
  position:fixed; z-index:9990;
  right:16px; bottom:var(--rai-b, 24px);
  width:54px; height:54px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(145deg,#D51A38,#A50B25);
  box-shadow:0 8px 20px -4px rgba(200,16,46,.40), 0 2px 4px rgba(25,24,23,.18);
  cursor:pointer; -webkit-tap-highlight-color:transparent;
  touch-action:none; user-select:none;
  transition:width .18s, height .18s, opacity .18s, transform .12s;
}
.rai-ball:active{transform:scale(.94)}
.rai-ball.mini{width:42px;height:42px;opacity:.72}
.rai-ball.left{left:16px;right:auto}
.rai-ball svg{width:22px;height:22px;pointer-events:none}
.rai-ball.mini svg{width:18px;height:18px}
.rai-bd{
  position:absolute; top:-3px; right:-3px;
  min-width:17px; height:17px; padding:0 4px; box-sizing:border-box;
  border-radius:9px; background:#fff; color:#C8102E;
  font:600 10px/17px -apple-system,"PingFang SC","Noto Sans SC",sans-serif;
  text-align:center; box-shadow:0 1px 4px rgba(25,24,23,.28);
  display:none;
}
.rai-bd.on{display:block}

/* ---- 抽屉 ---- */
.rai-wrap{position:fixed;inset:0;z-index:9999;pointer-events:none}
.rai-wrap.on{pointer-events:auto}
.rai-mask{
  position:absolute; inset:0; background:rgba(25,24,23,.32);
  opacity:0; transition:opacity .22s;
}
.rai-wrap.on .rai-mask{opacity:1}
.rai-sheet{
  position:absolute; left:0; right:0; bottom:0;
  height:76vh; max-height:660px; min-height:420px;
  background:#fff; border-radius:24px 24px 0 0;
  box-shadow:0 -8px 28px -6px rgba(25,24,23,.18);
  display:flex; flex-direction:column;
  transform:translateY(102%); transition:transform .26s cubic-bezier(.22,.9,.3,1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Helvetica Neue",sans-serif;
  color:#191817; overflow:hidden;
}
.rai-wrap.on .rai-sheet{transform:translateY(0)}
.rai-grab{width:36px;height:4px;border-radius:2px;background:#D8D3CA;margin:10px auto 0;flex:none}
.rai-hd{
  display:flex; align-items:center; gap:8px;
  padding:8px 16px 6px; flex:none;
}
.rai-hd h4{margin:0;font-size:16px;font-weight:700;letter-spacing:0}
.rai-hd .sp{flex:1}
.rai-hd button{
  border:0; background:none; padding:6px 4px; cursor:pointer;
  font-size:11.5px; color:#9C968C; font-family:inherit;
}
.rai-hd .x{font-size:15px;line-height:1}

/* 上下文条 */
.rai-ctx{
  margin:2px 16px 8px; padding:7px 12px; flex:none;
  background:#F7F5F1; border:1px solid #EAE6DF; border-radius:12px;
  display:flex; align-items:center; gap:8px;
}
.rai-ctx .t{flex:1;min-width:0}
.rai-ctx .k{font-size:9.5px;color:#9C968C;line-height:1.35}
.rai-ctx .v{font-size:12px;font-weight:500;color:#191817;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rai-ctx .mem{
  flex:none;font-size:10px;color:#C8102E;background:#FCEEF0;
  border-radius:11px;padding:3px 8px;font-weight:500;cursor:pointer;
}

/* 对话区 */
.rai-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:4px 16px 10px}
.rai-empty{color:#9C968C;font-size:12px;line-height:1.9;padding:18px 4px}
.rai-empty b{color:#191817;font-weight:600}
.rai-msg{margin:10px 0;display:flex}
.rai-msg.me{justify-content:flex-end}
.rai-msg .bub{
  max-width:82%; border-radius:14px; font-size:12.5px; line-height:1.55;
  padding:9px 12px; white-space:pre-wrap; word-break:break-word;
}
.rai-msg.me .bub{background:#C8102E;color:#fff;border-bottom-right-radius:4px}
.rai-msg.ai .bub{
  background:#fff;color:#191817;border:1px solid #EAE6DF;
  border-bottom-left-radius:4px;box-shadow:0 4px 14px -6px rgba(25,24,23,.10);
}
.rai-msg .bub .num{font-weight:600}
.rai-src{
  margin:6px 0 0; padding:7px 10px; background:#F7F5F1; border-radius:8px;
  font-size:10.5px; color:#5C5852; display:flex; flex-wrap:wrap; gap:6px 10px;
}
.rai-src a{color:#C8102E;text-decoration:none;cursor:pointer}
.rai-acts{display:flex;gap:8px;margin-top:8px}
.rai-acts button{
  flex:0 0 auto;border:0;border-radius:10px;padding:8px 12px;font-family:inherit;
  font-size:11.5px;font-weight:500;cursor:pointer;
}
.rai-acts .p{background:#C8102E;color:#fff}
.rai-acts .g{background:#F7F5F1;color:#5C5852}
.rai-tip{font-size:9.5px;color:#9C968C;line-height:1.5;margin-top:6px}
.rai-load{display:flex;gap:4px;padding:10px 2px}
.rai-load i{width:6px;height:6px;border-radius:50%;background:#D8D3CA;animation:raib 1s infinite}
.rai-load i:nth-child(2){animation-delay:.15s}
.rai-load i:nth-child(3){animation-delay:.3s}
@keyframes raib{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* 输入区 */
.rai-in{
  flex:none; border-top:1px solid #EAE6DF; background:#fff;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  display:flex; align-items:flex-end; gap:8px;
}
.rai-in textarea{
  flex:1; border:0; outline:0; resize:none; background:#F7F5F1;
  border-radius:20px; padding:11px 14px; font-family:inherit;
  font-size:12.5px; line-height:1.4; max-height:88px; color:#191817;
}
.rai-in textarea::placeholder{color:#9C968C}
.rai-ib{
  flex:none;width:38px;height:38px;border-radius:50%;border:1px solid #EAE6DF;
  background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.rai-ib.send{background:#C8102E;border-color:#C8102E}
.rai-ib svg{width:18px;height:18px}
.rai-ib.busy{opacity:.5}

/* 求助面板 */
.rai-help{padding:2px 16px 12px;overflow-y:auto;flex:1}
.rai-lab{font-size:10.5px;font-weight:500;color:#9C968C;margin:10px 0 6px}
.rai-picks{display:flex;gap:8px}
.rai-pick{
  flex:1;border:1px solid #EAE6DF;background:#fff;border-radius:12px;
  padding:11px 8px;text-align:center;font-size:12.5px;font-weight:500;color:#5C5852;
  font-family:inherit;cursor:pointer;
}
.rai-pick.on{border-color:#C8102E;border-width:1.5px;background:#FCEEF0;color:#C8102E}
.rai-pick[disabled]{opacity:.45}
.rai-pick small{display:block;font-size:9.5px;font-weight:400;color:#9C968C;margin-top:2px}
.rai-pick.on small{color:#C8102E}
.rai-ha{font-size:9.5px;color:#9C968C;margin:10px 0 6px;text-align:right;display:none}
.rai-quote{font-size:9.5px;color:#9C968C;margin-right:10px;display:none;flex:1;text-align:right}
.rai-ta{
  width:100%;box-sizing:border-box;border:1px solid #EAE6DF;background:#F7F5F1;
  border-radius:12px;padding:11px 12px;font-family:inherit;
  font-size:12.5px;line-height:1.6;color:#191817;resize:none;outline:0;
}
.rai-ta::placeholder{color:#9C968C}
.rai-pack{
  margin-top:10px;border:1px dashed #EAE6DF;border-radius:12px;padding:10px 12px;
  font-size:11px;line-height:1.75;color:#5C5852;background:#FCFBF8;
}
.rai-pack b{color:#191817;font-weight:600}
.rai-go{
  width:100%;margin-top:12px;border:0;border-radius:14px;background:#C8102E;color:#fff;
  font-family:inherit;font-size:13.5px;font-weight:600;padding:15px 0;cursor:pointer;
  box-shadow:0 6px 16px -4px rgba(200,16,46,.28);
}
.rai-go[disabled]{opacity:.5;box-shadow:none}
.rai-note{font-size:9.5px;color:#9C968C;text-align:center;margin-top:10px;line-height:1.6}

/* toast */
.rai-toast{
  position:fixed;left:50%;bottom:22%;transform:translate(-50%,8px);
  background:rgba(25,24,23,.92);color:#fff;font-size:12px;line-height:1.5;
  padding:10px 16px;border-radius:12px;z-index:10001;max-width:78vw;
  opacity:0;transition:opacity .2s, transform .2s;pointer-events:none;
  font-family:-apple-system,"PingFang SC","Noto Sans SC",sans-serif;
}
.rai-toast.on{opacity:1;transform:translate(-50%,0)}