.room-tabs{display:flex;gap:6px;padding:5px;background:#e8eeea;border-radius:12px;width:fit-content;margin:0 0 22px}.room-tabs button{border:0;background:none;border-radius:9px;padding:10px 22px;color:#68796f}.room-tabs button[aria-selected=true]{background:#fff;color:#163e35;box-shadow:0 2px 6px #163e3510}.discussion{display:grid;gap:22px;min-width:0}.discussion-call,.discussion-chat{background:#fff;border:1px solid var(--border);border-radius:17px;padding:24px}.discussion h2{font-size:20px;font-weight:600}.discussion-status{font-size:14px;color:var(--muted);margin:14px 0}.discussion-controls{display:flex;gap:9px;flex-wrap:wrap}.discussion-controls [hidden],.discussion [hidden]{display:none!important}.discussion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:18px}.discussion-grid:empty{display:none}.discussion-tile{position:relative;aspect-ratio:4/3;min-width:0;overflow:hidden;background:#1b4238;border:3px solid transparent;border-radius:12px;display:grid;place-items:center;color:#fff}.discussion-tile.speaking{border-color:#bfdf79}.discussion-avatar{font-size:34px;background:#36594b;width:64px;height:64px;border-radius:50%;display:grid;place-items:center}.discussion-tile.has-video .discussion-avatar{display:none}.discussion-tile video{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.discussion-tile-label{position:absolute;bottom:0;left:0;right:0;background:#102b22c9;padding:7px 9px;font-size:12px;overflow-wrap:anywhere}.discussion-tile audio{display:none}.discussion-messages{height:360px;overflow:auto;overscroll-behavior:contain;padding:16px 3px;display:flex;flex-direction:column;gap:12px}.discussion-message{background:#f3f6f3;border-radius:12px;padding:12px 15px;max-width:90%;width:fit-content;min-width:200px;flex-shrink:0}.discussion-message.own{align-self:flex-end;background:#eaf1df}.discussion-message strong{font-size:13px}.discussion-message time{font-size:11px;color:var(--muted);margin-left:18px}.discussion-message p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;margin-top:6px}.discussion-attachment{display:block;padding:9px 0 0;overflow-wrap:anywhere;font-size:14px}.discussion-attachment small{display:block;color:var(--muted)}.discussion-empty{margin:auto;text-align:center;color:var(--muted);font-size:14px}.discussion-history{display:block;margin:12px auto 0}.discussion-chat textarea{width:100%;resize:vertical;min-height:90px;border:1px solid var(--border);border-radius:10px;padding:12px;background:#fafcf9;font-size:14px;margin-bottom:10px}.discussion-error{color:#a3473d;font-size:13px;min-height:20px;margin:5px 0}.discussion-file{font-size:13px;overflow-wrap:anywhere;display:flex;gap:10px;margin-bottom:10px}.discussion-study{padding:14px 18px;background:#eaf0e4;border-radius:12px;margin-bottom:20px;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}.discussion-study .timer{font-size:23px}.discussion-study p{font-size:13px}.discussion-study .row{flex-wrap:wrap}@media(max-width:600px){.discussion-call,.discussion-chat{padding:17px}.discussion h2{font-size:18px}.discussion-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:510px;overflow:auto}.discussion-tile{aspect-ratio:1}.discussion-avatar{width:48px;height:48px;font-size:27px}.discussion-tile-label{font-size:10px}.discussion-message{max-width:96%;min-width:0}.discussion-message .row{flex-wrap:wrap;gap:0}.discussion-message time{margin-left:0;width:100%}.discussion-chat>.row>span{font-size:11px}.discussion-messages{height:330px}.discussion-controls .btn{padding:9px 12px;font-size:13px}.room-tabs{width:100%}.room-tabs button{flex:1;padding:10px}}