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7px;font-size:11px}.lesson-dur{color:var(--muted);font-size:12.5px}.course-progress-bar{background:var(--line);border-radius:6px;height:7px;overflow:hidden}.course-progress-bar span{background:linear-gradient(90deg, var(--accent), var(--gold));border-radius:6px;height:100%;transition:width .3s;display:block}.course-progress-meta{color:var(--muted);justify-content:space-between;align-items:center;margin-top:7px;font-size:12.5px;display:flex}.course-continue{color:var(--gold);font-weight:700}.course-continue:hover{text-decoration:underline}.course-progress-skeleton{height:33px}.lesson-page{max-width:960px;margin:0 auto;padding:0 24px}.lesson-page-head{justify-content:space-between;align-items:center;margin:14px 0 6px;display:flex}.lesson-position{color:var(--muted);font-size:13px}.lesson-title{font-family:var(--font-display);color:#fff;margin:8px 0 12px;font-size:25px}.lesson-tools{align-items:center;gap:10px;margin-bottom:16px;display:flex}.mark-complete{border:1px solid var(--line2);background:var(--panel);color:var(--ink);cursor:pointer;border-radius:24px;padding:8px 16px;font-size:14px;transition:all .15s}.mark-complete:hover{border-color:var(--accent)}.mark-complete.is-done{background:var(--ok);border-color:var(--ok);color:#06230f}.mark-complete-placeholder{height:36px;display:inline-block}.lesson-player{margin-bottom:18px}.lesson-nav{justify-content:space-between;gap:14px;margin:26px 0 40px;display:flex}.lesson-nav-btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:12px;flex:1;padding:13px 16px;font-size:13.5px;line-height:1.45;transition:border-color .15s,background .15s}.lesson-nav-btn:hover{border-color:var(--accent);background:var(--panel2)}.lesson-nav-btn.next{text-align:right}.local-lesson-note{border:1px dashed var(--gold);color:var(--gold);background:#ffd16614;border-radius:12px;margin-bottom:14px;padding:12px 16px;font-size:13.5px}.lesson-subs-dl{margin-bottom:14px}.dl-btn{background:var(--panel);border:1px solid var(--line2);color:var(--ink);border-radius:20px;padding:8px 14px;font-size:13.5px;display:inline-block}.dl-btn:hover{border-color:var(--accent);color:var(--accent2)}.translation-full h3,.summary-block h3{font-family:var(--font-display);color:#fff;margin:20px 0 10px;font-size:19px}.translation-full p{margin:0 0 14px;line-height:1.85}.md-pre{white-space:pre-wrap;font-family:var(--font-body);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;line-height:1.7}.queue-add-form{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:18px;padding:16px 18px}.queue-add-form h2{font-size:17px;font-family:var(--font-display);color:#fff;margin:0 0 4px}.queue-add-form .hint{color:var(--muted);margin-bottom:12px;font-size:12.5px}.queue-add-row{flex-wrap:wrap;gap:10px;display:flex}.queue-add-row input[type=text]{border:1px solid var(--line2);background:var(--bg2);color:var(--ink);font-size:13.5px;font-family:var(--font-body);border-radius:10px;flex:260px;padding:9px 12px}.queue-add-row button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;font-size:13.5px;font-weight:600;font-family:var(--font-body);border-radius:10px;padding:9px 18px}.queue-add-row button:disabled{opacity:.6;cursor:wait}.queue-add-result{border-radius:10px;align-items:center;gap:12px;margin-top:12px;padding:10px 14px;font-size:13.5px;display:flex}.queue-add-result.ok{background:#4ade8014;border:1px solid #4ade804d}.queue-add-result.err{background:#e509141a;border:1px solid #e5091459}.queue-add-result img{border-radius:8px;flex:none;width:72px}.ask-widget{border:1px solid var(--line);border-radius:16px;margin:32px 0 48px;overflow:hidden}.ask-toggle{background:var(--panel);width:100%;color:var(--ink);cursor:pointer;font-size:15px;font-weight:700;font-family:var(--font-body);border:none;align-items:center;gap:8px;padding:14px 20px;display:flex}.ask-toggle:hover{background:var(--panel2)}.ask-panel{border-top:1px solid var(--line);background:var(--bg2)}.ask-messages{flex-direction:column;gap:12px;max-height:360px;padding:16px;display:flex;overflow-y:auto}.ask-welcome{text-align:center;padding:8px 0}.ask-welcome p{color:var(--muted);margin:0 0 12px;font-size:14px}.ask-suggestions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.ask-suggestion-btn{border:1px solid var(--line2);background:var(--panel);color:var(--ink);cursor:pointer;font-size:13px;font-family:var(--font-body);border-radius:20px;padding:8px 16px;transition:border-color .15s,color .15s}.ask-suggestion-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent2)}.ask-suggestion-btn:disabled{opacity:.5;cursor:default}.ask-msg{border-radius:14px;max-width:92%;padding:10px 14px;font-size:14px;line-height:1.65}.ask-msg-label{opacity:.7;margin-bottom:4px;font-size:11px;font-weight:700;display:block}.ask-msg-user{background:var(--panel2);align-self:flex-end}.ask-msg-assistant{background:var(--panel);border:1px solid var(--line);align-self:flex-start}.ask-msg p{margin:0}.ask-typing{color:var(--muted);font-style:italic}.ask-form{border-top:1px solid var(--line);background:var(--panel);gap:8px;padding:12px 16px;display:flex}.ask-input{border:1px solid var(--line2);font-size:14px;font-family:var(--font-body);background:var(--bg2);color:var(--ink);border-radius:24px;outline:none;flex:1;padding:10px 14px}.ask-input:focus{border-color:var(--accent)}.ask-submit{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.ask-submit:hover:not(:disabled){background:#b50710}.ask-submit:disabled{opacity:.4;cursor:default}@media (max-width:820px){.cols,.sub-grid,.field-row{grid-template-columns:1fr}.topnav{display:none}.feature-in{aspect-ratio:16/10}.fg{padding:20px 22px}.wrap,.feature,.chips,.channel-group{padding-left:16px;padding-right:16px}.topbar-inner{padding:0 16px}}