.learner-chat{position:fixed;right:22px;bottom:22px;z-index:1200;font-size:15px}.chat-toggle{box-shadow:0 5px 22px #153e3733;border-radius:28px;min-width:95px}.chat-panel{position:absolute;right:0;bottom:60px;width:min(380px,calc(100vw - 32px));max-height:calc(100dvh - 110px);overflow:auto;background:#fff;border:1px solid #dce3d9;border-radius:20px;box-shadow:0 10px 45px #153e3733;padding:18px;color:#253c33}.chat-panel[hidden],.chat-panel [hidden]{display:none!important}.chat-heading,.chat-send,.chat-message>div,.chat-tabs{display:flex;align-items:center;justify-content:space-between;gap:10px}.chat-heading h2{font-size:21px;margin:0}.chat-heading button{padding:4px 12px;font-size:24px}.chat-tabs{margin-top:12px}.chat-tabs button{padding:9px;font-size:13px;flex:1;background:#eef1e9;color:#253c33}.chat-tabs [aria-pressed=true]{background:#153e37;color:white}.chat-info{font-size:12px;line-height:1.5;color:#65756b;margin:12px 0}.chat-messages{height:220px;overflow-y:auto;overscroll-behavior:contain;border:1px solid #dce3d9;border-radius:12px;background:#f6f7f1;padding:10px}.chat-message{margin-bottom:10px;border-radius:10px;padding:10px;background:#fff;overflow-wrap:anywhere}.chat-message.chat-mine{background:#e3ecd9}.chat-message strong{font-size:12px}.chat-message time{font-size:11px;white-space:nowrap;color:#65756b}.chat-message p{margin:6px 0;font-size:14px;line-height:1.5;white-space:pre-wrap}.chat-actions{justify-content:flex-end!important}.chat-actions button{border:0;background:transparent;color:#425a50;text-decoration:underline;padding:3px;font-size:11px;min-height:30px}.chat-panel label{display:block;font-size:12px;margin:10px 0 4px}.chat-panel input,.chat-panel textarea{width:100%;min-width:0;box-sizing:border-box;border:1px solid #ccd6cc;border-radius:8px;padding:9px;font:inherit}.chat-panel textarea{resize:vertical;max-height:100px}.chat-send{margin-top:8px}.chat-send small,#chatStatus,.chat-empty{font-size:12px;color:#65756b}#chatStatus{margin:10px 0 0;min-height:18px}.chat-panel button:focus-visible,.chat-panel input:focus-visible,.chat-panel textarea:focus-visible{outline:3px solid #819d5a;outline-offset:2px}@media(max-width:700px){.learner-chat{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.chat-panel{padding:14px;bottom:56px}.chat-messages{height:min(220px,28dvh)}}