/* 爱兔宝 学习教练 widget —— 暖风(奶油/lime/orange),可嵌入任意页面。前缀 atb- 避免冲突。 */
:root{ --atb-cream:#fdf9f0; --atb-ink:#0f0f0f; --atb-lime:#c7ff69; --atb-orange:#ff6d38; --atb-line:#e8e2d4; --atb-grey:#666; }
#atb-fab{position:fixed;right:24px;bottom:24px;z-index:9998;width:66px;height:66px;border-radius:50%;background:#fff;border:2px solid var(--atb-ink);box-shadow:0 8px 22px rgba(15,15,15,.22);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s}
#atb-fab:hover{transform:scale(1.07)}
#atb-fab img{width:46px;height:46px}
#atb-fab .atb-dot{position:absolute;top:3px;right:3px;width:14px;height:14px;background:var(--atb-lime);border:2px solid var(--atb-ink);border-radius:50%}
#atb-panel{position:fixed;right:24px;bottom:102px;z-index:9998;width:380px;max-width:calc(100vw - 34px);height:560px;max-height:calc(100vh - 130px);background:var(--atb-cream);border:2px solid var(--atb-ink);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.28);display:none;flex-direction:column;overflow:hidden;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
#atb-panel.atb-open{display:flex}
.atb-head{background:var(--atb-ink);color:#fff;padding:13px 16px;display:flex;align-items:center;gap:10px}
.atb-head img{width:38px;height:38px;border-radius:50%;background:#fff;padding:2px}
.atb-head .atb-t{font-weight:800;font-size:15px}
.atb-head .atb-s{font-size:11.5px;opacity:.8}
.atb-head .atb-x{margin-left:auto;cursor:pointer;font-size:20px;opacity:.85;background:none;border:none;color:#fff}
.atb-prog{background:#fff;border-bottom:1px solid var(--atb-line);padding:8px 14px;font-size:12px;color:var(--atb-grey);display:flex;align-items:center;gap:8px}
.atb-prog .atb-bar{flex:1;height:7px;background:#eee;border-radius:4px;overflow:hidden}
.atb-prog .atb-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--atb-lime),var(--atb-orange));width:0%;transition:width .4s}
.atb-prog .atb-resume{color:var(--atb-orange);font-weight:700;cursor:pointer;white-space:nowrap}
.atb-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.atb-msg{max-width:85%;padding:10px 13px;border-radius:14px;font-size:14.5px;line-height:1.55;white-space:pre-wrap}
.atb-msg.bot{background:#fff;border:1.5px solid var(--atb-line);align-self:flex-start;border-bottom-left-radius:4px}
.atb-msg.me{background:var(--atb-ink);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.atb-msg.typing{color:var(--atb-grey);font-style:italic}
.atb-sug{display:flex;flex-wrap:wrap;gap:7px;padding:0 14px 10px}
.atb-sug button{font:inherit;font-size:12.5px;font-weight:600;border:1.5px solid var(--atb-line);background:#fff;border-radius:16px;padding:6px 12px;cursor:pointer}
.atb-sug button:hover{border-color:var(--atb-orange);color:var(--atb-orange)}
.atb-in{display:flex;gap:8px;padding:12px;border-top:1.5px solid var(--atb-line);background:#fff}
.atb-in input{flex:1;border:2px solid var(--atb-line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px}
.atb-in input:focus{outline:none;border-color:var(--atb-ink)}
.atb-in button{border:none;background:var(--atb-orange);color:#fff;border-radius:10px;padding:0 16px;font-weight:800;cursor:pointer;font-size:15px}

/* 隐藏各页原有 baked 的旧 chat widget,统一用自注入的教练 widget */
#chat-widget{display:none!important}
/* markdown 渲染:教练气泡内的行内代码/强调 */
.atb-msg.bot code{background:rgba(0,0,0,.06);padding:1px 5px;border-radius:5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
.atb-msg.bot strong{font-weight:700}
.atb-msg.bot em{font-style:italic}