.discussion{min-width:0;color:var(--fg);font-size:14px;line-height:1.6}.discussion a,.discussion button,.discussion summary{-webkit-tap-highlight-color:transparent}.discussion button,.discussion summary{cursor:pointer}.discussion button:disabled{cursor:default;opacity:.5}.discussion :is(button,a,summary,textarea,pre):focus-visible{outline:2px solid var(--accent);outline-offset:3px}.discussion-section-title{font-size:14px;font-weight:600;letter-spacing:-.01em;margin:0}.discussion-compose-group{margin-bottom:24px;padding:14px;background:var(--bg);border-radius:12px}.discussion-compose-group>h2{margin-bottom:12px}.discussion-signin{color:var(--fg-muted);padding:14px 0}.discussion-full-link,.discussion-signin a{color:var(--accent);text-decoration:none;font-weight:500}.discussion-list-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border)}.discussion-list-heading>span{color:var(--fg-muted);font-size:12px}.discussion-threads{list-style:none;padding:0;margin:0}.discussion-thread{padding:20px 0;border-bottom:1px solid var(--border-strong)}.discussion-thread>.discussion-message{padding:14px 12px;background:var(--surface)}.discussion-message{display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px;scroll-margin-top:100px}.discussion-message:target{background:var(--accent-soft);outline:8px solid var(--accent-soft);border-radius:4px}.discussion-avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;font-size:11px;font-weight:600;user-select:none}.discussion-avatar--0{background:#e4edff;color:#264c90}.discussion-avatar--1{background:#eee6ff;color:#674098}.discussion-avatar--2{background:#ddf1ec;color:#225d50}.discussion-avatar--3{background:#fae6db;color:#824325}.discussion-avatar--4{background:#f6e2ee;color:#81355f}.discussion-avatar--5{background:#e5eaf0;color:#3b4b63}[data-theme=dark] .discussion-avatar--0{background:#203251;color:#b6ceff}[data-theme=dark] .discussion-avatar--1{background:#362747;color:#dbc2ff}[data-theme=dark] .discussion-avatar--2{background:#203c36;color:#ade0d0}[data-theme=dark] .discussion-avatar--3{background:#442f25;color:#f6c5a9}[data-theme=dark] .discussion-avatar--4{background:#44283a;color:#f4bddd}[data-theme=dark] .discussion-avatar--5{background:#2c3543;color:#c7d4e8}.discussion-message-content{min-width:0}.discussion-byline{display:flex;align-items:baseline;flex-wrap:wrap;gap:3px 8px;min-height:27px}.discussion-byline strong{font-size:14px;font-weight:600;overflow-wrap:anywhere}.discussion-byline time,.discussion-you{font-size:12px;color:var(--fg-muted)}.discussion-instructor{color:var(--accent);background:var(--accent-soft);padding:1px 6px;border-radius:5px;font-size:11px;font-weight:600}.discussion-body{display:flex;flex-direction:column;gap:12px}.discussion-body p{margin:0;color:var(--fg);white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.7;font-weight:400}.discussion-message-actions{display:flex;align-items:center;flex-wrap:wrap;gap:4px 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minmax(0,1fr);gap:10px}.discussion-reply-context{display:block;width:fit-content;max-width:100%;font-size:12px;color:var(--fg-muted);margin-bottom:6px;text-decoration:none;overflow-wrap:anywhere}.discussion-reply-context:hover{color:var(--accent);text-decoration:underline}.discussion-inline-composer{margin:14px 0 0 48px}.discussion-composer{border:1px solid var(--border-strong);border-radius:14px;background:var(--surface);overflow:hidden}.discussion-composer:focus-within{border-color:var(--accent)}.discussion-composer textarea{display:block;width:100%;background:transparent;padding:14px 16px 8px;min-height:100px;resize:vertical;color:var(--fg);font-family:inherit;font-size:14px;line-height:1.6;border:0}.discussion-composer textarea::placeholder{color:var(--fg-muted)}.discussion-composer textarea:focus-visible{outline-offset:-4px;border-radius:10px}.discussion-composer-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px;padding:0 8px 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var(--border);border-radius:8px}