.editor-container[data-v-6c797ec3]{width:100%;height:100%;overflow:hidden}.preview-wrap[data-v-1cd3676f]{display:flex;flex-direction:column;height:100%;background:var(--surface)}.preview-bar[data-v-1cd3676f]{display:flex;align-items:center;justify-content:space-between;padding:4px 10px;background:var(--surface2);border-bottom:1px solid var(--border);flex-shrink:0}.preview-label[data-v-1cd3676f]{font-size:.75rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}.refresh-btn[data-v-1cd3676f]{font-size:1rem;padding:2px 8px;border-radius:4px}.preview-frame[data-v-1cd3676f]{flex:1;border:none;width:100%;background:#1e1e2e}.hint-box[data-v-dc6e06ab]{padding:10px 14px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.hint-actions[data-v-dc6e06ab]{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.hint-btn[data-v-dc6e06ab]{font-size:.8rem;padding:4px 10px;border-color:var(--yellow);color:var(--yellow)}.hint-btn[data-v-dc6e06ab]:hover{background:#f9e2af14;border-color:var(--yellow)}.solution-btn[data-v-dc6e06ab]{font-size:.8rem;padding:4px 10px;border-color:var(--accent-2);color:var(--accent-2)}.solution-btn[data-v-dc6e06ab]:hover{background:#cba6f714;border-color:var(--accent-2)}.hints-done[data-v-dc6e06ab],.solution-loaded[data-v-dc6e06ab]{font-size:.78rem;color:var(--text-dim)}.solution-loaded[data-v-dc6e06ab]{color:var(--green)}.hints-list[data-v-dc6e06ab]{margin-top:8px}.hint-item[data-v-dc6e06ab]{display:flex;gap:8px;align-items:flex-start;padding:6px 0;font-size:.82rem;color:var(--text-dim);border-top:1px solid var(--border)}.hint-num[data-v-dc6e06ab]{background:var(--yellow);color:var(--surface);font-size:.7rem;font-weight:700;border-radius:10px;padding:0 6px;flex-shrink:0;margin-top:1px}.hint-fade-enter-active[data-v-dc6e06ab]{transition:all .25s ease}.hint-fade-enter-from[data-v-dc6e06ab]{opacity:0;transform:translateY(-6px)}.lesson-page[data-v-aef5e156]{display:flex;height:100%;overflow:hidden}.theory-pane[data-v-aef5e156]{width:var(--theory-w);min-width:var(--theory-w);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.theory-scroll[data-v-aef5e156]{flex:1;overflow-y:auto;padding:20px 18px}.chapter-badge[data-v-aef5e156]{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--accent-2);margin-bottom:10px}.theory-footer[data-v-aef5e156]{padding:10px 14px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;gap:8px}.nav-btns[data-v-aef5e156]{display:flex;gap:8px}.done-btn[data-v-aef5e156]{font-size:.8rem;padding:5px 12px}.done-badge[data-v-aef5e156]{font-size:.8rem;padding:5px 12px;cursor:default;opacity:.85}.work-pane[data-v-aef5e156]{flex:1;display:flex;flex-direction:column;overflow:hidden}.editor-area[data-v-aef5e156]{flex:1;display:flex;flex-direction:column;border-bottom:1px solid var(--border);min-height:0}.pane-bar[data-v-aef5e156]{display:flex;align-items:center;justify-content:space-between;padding:4px 10px;background:var(--surface2);border-bottom:1px solid var(--border);font-size:.75rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;flex-shrink:0}.editor-fill[data-v-aef5e156]{flex:1;min-height:0}.preview-area[data-v-aef5e156]{height:42%;min-height:180px;display:flex;flex-direction:column;overflow:hidden}.preview-fill[data-v-aef5e156]{flex:1;min-height:0}.not-found[data-v-aef5e156]{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--text-dim)}@media(max-width:768px){.lesson-page[data-v-aef5e156]{flex-direction:column;height:auto;overflow:visible}.theory-pane[data-v-aef5e156]{width:100%;min-width:0;height:auto;overflow:visible;border-right:none;border-bottom:1px solid var(--border)}.theory-scroll[data-v-aef5e156]{overflow:visible;max-height:none}.work-pane[data-v-aef5e156]{height:auto;min-height:0}.editor-area[data-v-aef5e156]{height:320px;flex:unset}.preview-area[data-v-aef5e156]{height:280px}}.home[data-v-fec4ea09]{height:100%;overflow-y:auto;padding:40px 48px}.hero[data-v-fec4ea09]{max-width:560px;margin:0 auto 48px;text-align:center}.hero-logo[data-v-fec4ea09]{font-size:3.5rem;margin-bottom:16px;filter:drop-shadow(0 0 20px #89b4fa88)}h1[data-v-fec4ea09]{font-size:2rem;font-weight:800;color:var(--accent);margin-bottom:10px}.subtitle[data-v-fec4ea09]{color:var(--text-dim);font-size:1rem;line-height:1.6;margin-bottom:24px}.progress-section[data-v-fec4ea09]{margin-bottom:24px}.progress-track[data-v-fec4ea09]{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill[data-v-fec4ea09]{height:100%;background:linear-gradient(90deg,var(--accent),var(--green));border-radius:4px;transition:width .5s ease}.progress-text[data-v-fec4ea09]{font-size:.82rem;color:var(--text-dim)}.start-btn[data-v-fec4ea09]{font-size:1rem;padding:.65rem 1.8rem;border-radius:8px}.chapters-grid[data-v-fec4ea09]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;max-width:1000px;margin:0 auto}.chapter-card[data-v-fec4ea09]{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px}.ch-header[data-v-fec4ea09]{display:flex;align-items:center;gap:10px;margin-bottom:12px}.ch-num[data-v-fec4ea09]{background:var(--accent);color:var(--surface);font-size:.72rem;font-weight:800;border-radius:50%;width:22px;height:22px;display:flex;align-items:center;justify-content:center}.ch-header h3[data-v-fec4ea09]{font-size:.95rem;font-weight:700;color:var(--text)}.ch-lessons[data-v-fec4ea09]{display:flex;flex-direction:column;gap:6px}.lesson-chip[data-v-fec4ea09]{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:7px 12px;font-size:.82rem;color:var(--text-dim);text-align:left;cursor:pointer;transition:all .15s}.lesson-chip[data-v-fec4ea09]:hover{border-color:var(--accent);color:var(--text);background:#89b4fa12}.lesson-chip.done[data-v-fec4ea09]{color:var(--green);border-color:#a6e3a14d}.sidebar[data-v-eb752d21]{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header[data-v-eb752d21]{padding:14px 12px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.logo[data-v-eb752d21]{display:flex;align-items:center;gap:8px;margin-bottom:10px}.logo-icon[data-v-eb752d21]{font-size:1.2rem}.logo-text[data-v-eb752d21]{font-size:1rem;font-weight:700;color:var(--accent)}.progress-wrap[data-v-eb752d21]{display:flex;align-items:center;gap:8px}.progress-bar[data-v-eb752d21]{flex:1;height:5px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill[data-v-eb752d21]{height:100%;background:var(--green);border-radius:3px;transition:width .4s ease}.progress-label[data-v-eb752d21]{font-size:.72rem;color:var(--text-dim);white-space:nowrap}.sidebar-nav[data-v-eb752d21]{flex:1;overflow-y:auto;padding:8px 0}.chapter[data-v-eb752d21]{margin-bottom:4px}.chapter-title[data-v-eb752d21]{display:flex;align-items:center;gap:6px;padding:6px 12px 4px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.ch-num[data-v-eb752d21]{background:var(--border);color:var(--text-dim);font-size:.65rem;padding:1px 5px;border-radius:10px}.lesson-btn[data-v-eb752d21]{display:flex;align-items:center;gap:7px;width:100%;padding:7px 12px;background:none;border:none;border-radius:0;color:var(--text-dim);font-size:.8rem;text-align:left;cursor:pointer;transition:background .12s,color .12s}.lesson-btn[data-v-eb752d21]:hover{background:var(--surface2);color:var(--text);border-color:transparent}.lesson-btn.active[data-v-eb752d21]{background:#89b4fa1f;color:var(--accent);border:none}.lesson-btn.done[data-v-eb752d21],.lesson-btn.done .check[data-v-eb752d21]{color:var(--green)}.check[data-v-eb752d21]{font-size:.75rem;width:14px;flex-shrink:0;color:var(--border)}.sidebar-footer[data-v-eb752d21]{padding:10px 12px;border-top:1px solid var(--border);flex-shrink:0}.home-link[data-v-eb752d21]{font-size:.8rem;color:var(--text-dim)}.home-link[data-v-eb752d21]:hover{color:var(--accent)}@media(max-width:768px){.sidebar[data-v-eb752d21]{width:100%;min-width:0;flex-direction:row;align-items:center;height:48px;border-right:none;border-bottom:1px solid var(--border);padding:0 12px;flex-shrink:0}.sidebar-header[data-v-eb752d21]{display:flex;align-items:center;gap:12px;border-bottom:none;padding:0;flex-shrink:0}.sidebar-nav[data-v-eb752d21]{display:none}.sidebar-footer[data-v-eb752d21]{border-top:none;padding:0;margin-left:auto}.progress-wrap[data-v-eb752d21]{width:100px}}.app-shell[data-v-6672e0da]{display:flex;height:100vh;overflow:hidden;background:var(--bg)}.main-area[data-v-6672e0da]{flex:1;overflow:hidden;display:flex;flex-direction:column}@media(max-width:768px){.app-shell[data-v-6672e0da]{height:auto;min-height:100svh;overflow:visible;flex-direction:column}.main-area[data-v-6672e0da]{overflow:visible;flex:unset}}:root{--bg: #1e1e2e;--surface: #181825;--surface2: #232336;--border: #313244;--text: #cdd6f4;--text-dim: #a6adc8;--accent: #89b4fa;--accent-2: #cba6f7;--green: #a6e3a1;--yellow: #f9e2af;--red: #f38ba8;--sidebar-w: 220px;--theory-w: 380px;font-family:Segoe UI,system-ui,sans-serif;font-size:15px;color:var(--text);background:var(--bg)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{overflow:hidden;height:100vh;display:flex;flex-direction:column}#app{display:flex;flex-direction:column;height:100vh;overflow:hidden}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:.875rem;border:1px solid var(--border);border-radius:6px;padding:.4rem .9rem;background:var(--surface2);color:var(--text);transition:background .15s,border-color .15s}button:hover{background:var(--border);border-color:var(--accent)}button.primary{background:var(--accent);color:var(--surface);border-color:var(--accent);font-weight:600}button.primary:hover{opacity:.85}button.success{background:var(--green);color:var(--surface);border-color:var(--green);font-weight:600}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.prose h1{font-size:1.5rem;margin-bottom:.75rem;color:var(--accent)}.prose h2{font-size:1.15rem;margin:1.25rem 0 .5rem;color:var(--text)}.prose h3{font-size:1rem;margin:1rem 0 .4rem;color:var(--text-dim)}.prose p{margin-bottom:.75rem;line-height:1.65;color:var(--text-dim)}.prose ul,.prose ol{margin:.5rem 0 .75rem 1.25rem;color:var(--text-dim);line-height:1.7}.prose li{margin-bottom:.25rem}.prose strong{color:var(--text)}.prose em{color:var(--yellow);font-style:italic}.prose code{background:var(--surface2);border:1px solid var(--border);padding:.1em .35em;border-radius:4px;font-family:Fira Code,Cascadia Code,monospace;font-size:.85em;color:var(--accent-2)}.prose pre{background:#11111b;border:1px solid var(--border);border-radius:8px;padding:1rem;margin:.75rem 0;overflow-x:auto}.prose pre code{background:none;border:none;padding:0;font-size:.82rem;color:var(--text)}.prose blockquote{border-left:3px solid var(--accent);padding-left:.75rem;margin:.75rem 0;color:var(--text-dim);font-style:italic}.prose hr{border:none;border-top:1px solid var(--border);margin:1rem 0}.prose table{width:100%;border-collapse:collapse;margin:.75rem 0;font-size:.85rem}.prose th,.prose td{padding:6px 10px;border:1px solid var(--border);text-align:left}.prose th{background:var(--surface2);color:var(--text);font-weight:600}.prose td{color:var(--text-dim)}@media(max-width:768px){:root{--sidebar-w: 0px}body{overflow-x:hidden;overflow-y:auto;height:auto;min-height:100svh}#app{height:auto;min-height:100svh;overflow-x:hidden}.prose h1{font-size:1.25rem}.prose pre{overflow-x:auto;max-width:100%}.prose code{word-break:break-all}.prose table{display:block;overflow-x:auto}}