:root{color:#1f2937;background:#f5f6f8;font-family:Inter,Segoe UI,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden}button{font:inherit}button:disabled,input:disabled{cursor:not-allowed;opacity:.56}code{font-family:Consolas,SFMono-Regular,monospace}input,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:300px minmax(0,1fr);width:100%;max-width:100%;min-height:100vh}.generator-shell{display:grid;gap:16px;width:min(1180px,100%);min-height:100vh;margin:0 auto;padding:28px 24px 40px}.generator-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;min-width:0;padding:18px 20px;border:1px solid #e1e4ea;border-radius:8px;background:#fff}.generator-header h1{margin:6px 0 0;color:#111827;font-size:30px;line-height:1.2}.generator-note{margin:0;color:#6b7280;font-size:13px;line-height:1.6}.sidebar{display:flex;flex-direction:column;gap:20px;min-width:0;max-width:100%;overflow-x:clip;min-height:100vh;padding:24px 18px;border-right:1px solid #e1e4ea;background:#fff}.brand-block{padding:4px 6px 12px}.course-name,.chapter-kicker{margin:0;color:#6b7280;font-size:13px;line-height:1.5}.brand-block h1,.topbar h2{margin:6px 0 0;color:#111827;line-height:1.2;letter-spacing:0}.brand-block h1{font-size:28px;font-weight:750}.wrongbook-button{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-width:0;min-height:64px;padding:12px;border:1px solid #e1e4ea;border-radius:8px;background:#fff;color:#374151;text-align:left;cursor:pointer}.wrongbook-button:hover{border-color:#cbd5e1;background:#f8fafc}.wrongbook-button.active{border-color:#f4b4b4;background:#fff7f7;color:#991b1b}.wrongbook-button span{display:grid;gap:3px;min-width:0}.wrongbook-button strong{overflow:hidden;font-size:15px;line-height:1.25;text-overflow:ellipsis}.wrongbook-button em{color:#6b7280;font-size:12px;font-style:normal}.wrongbook-button b{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:30px;border-radius:999px;background:#fee2e2;color:#991b1b;font-size:14px}.topbar h2{font-size:clamp(22px,2.5vw,32px);font-weight:760;overflow-wrap:anywhere;word-break:break-all}.topbar-title,.actions{min-width:0}.chapter-list{display:flex;flex-direction:column;gap:8px;min-width:0;max-width:100%;overflow:auto;padding-right:2px}.chapter-button{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:54px;padding:10px 12px;border:1px solid transparent;border-radius:8px;background:transparent;color:#374151;text-align:left;cursor:pointer}.chapter-button:hover{background:#f8fafc;border-color:#e5e7eb}.chapter-button.active{background:#fff7f7;border-color:#f4b4b4;color:#991b1b}.chapter-title{overflow:hidden;font-size:14px;font-weight:650;line-height:1.35;text-overflow:ellipsis}.chapter-progress{color:#6b7280;font-size:12px;white-space:nowrap}.question-directory{position:sticky;top:18px;align-self:center;display:grid;gap:10px;width:min(100%,254px);height:80vh;max-height:80vh;min-height:0;margin:0 auto;padding:12px;border:1px solid #e1e4ea;border-radius:8px;background:#ffffffe0;box-shadow:0 14px 32px #0f172a14;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.question-directory.floating{position:fixed;z-index:16;margin:0}.question-directory-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.question-directory-head strong{color:#111827;font-size:14px;line-height:1.25}.question-directory-head span{color:#6b7280;font-size:12px;white-space:nowrap}.question-directory-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 8px;color:#6b7280;font-size:12px}.question-directory-legend span{display:inline-flex;align-items:center;gap:5px;min-width:0;white-space:nowrap}.question-directory-legend i{width:8px;height:8px;flex:0 0 auto;border-radius:999px;border:1px solid transparent}.question-directory-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:7px}.question-directory-section{display:grid;gap:7px}.question-directory-section h3{margin:2px 0 0;color:#374151;font-size:13px;line-height:1.25}.question-index-button{display:inline-flex;align-items:center;justify-content:center;min-width:0;aspect-ratio:1;border:1px solid #d8dde6;border-radius:8px;background:#fff;color:#4b5563;font-size:13px;font-weight:750;line-height:1;cursor:pointer}.question-index-button:hover{border-color:#9ca3af;box-shadow:inset 0 0 0 1px #9ca3af47}.question-index-button.unanswered,.question-directory-legend i.unanswered{border-color:#d8dde6;background:#fff;color:#6b7280}.question-index-button.selected,.question-directory-legend i.selected{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}.question-index-button.correct,.question-directory-legend i.correct{border-color:#86efac;background:#ecfdf5;color:#15803d}.question-index-button.incorrect,.question-directory-legend i.incorrect{border-color:#fecaca;background:#fef2f2;color:#b91c1c}.question-index-button.current{border-color:#2563eb;box-shadow:inset 0 0 0 1px #2563eb}.mobile-directory-shell{display:none}.practice-panel{display:flex;flex-direction:column;min-width:0;min-height:100vh;padding:28px 34px 34px}.topbar{position:sticky;top:14px;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:14px;width:100%;max-width:100%;overflow:hidden;margin:-4px 0 18px;padding:18px 20px;border:1px solid rgba(209,213,219,.68);border-radius:26px;background:#ffffffb8;box-shadow:0 18px 45px #0f172a14;backdrop-filter:blur(16px) saturate(1.35);-webkit-backdrop-filter:blur(16px) saturate(1.35);transition:width .18s ease,max-width .18s ease,border-radius .18s ease,background-color .18s ease,box-shadow .18s ease}.topbar.compact{align-items:center;width:min(100%,900px);max-width:900px;margin:0 auto 16px;padding:10px 14px 10px 18px;border-radius:999px;background:#ffffffc7;box-shadow:0 14px 36px #0f172a21}.topbar.compact .chapter-kicker{display:none}.topbar.compact h2{display:-webkit-box;overflow:hidden;font-size:18px;line-height:1.25;-webkit-box-orient:vertical;-webkit-line-clamp:1}.topbar-status{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;min-width:0}.topbar-status span{display:inline-flex;align-items:center;gap:5px;min-height:34px;padding:0 10px;border:1px solid rgba(209,213,219,.72);border-radius:999px;background:#f8fafcb3;color:#374151;white-space:nowrap}.topbar-status em{color:#6b7280;font-size:12px;font-style:normal;font-weight:650}.topbar-status strong{color:#111827;font-size:14px;line-height:1}.topbar.compact .topbar-status span{min-height:32px;padding:0 9px}.actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.primary-button,.ghost-button,.filter-button{min-height:38px;border-radius:8px;cursor:pointer}.primary-button{border:1px solid #b91c1c;background:#b91c1c;color:#fff;padding:0 18px;font-weight:700}.primary-button:hover{background:#991b1b}.primary-button:disabled:hover{background:#b91c1c}.ghost-button{border:1px solid #d1d5db;background:#fff;color:#374151;padding:0 14px;font-weight:650}.ghost-button:hover{border-color:#9ca3af}.ghost-button.danger{color:#b91c1c}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px;margin-bottom:16px}.stat-item{display:flex;align-items:center;justify-content:space-between;min-height:64px;padding:12px 16px;border:1px solid #e5e7eb;border-radius:8px;background:#fff}.stat-item span{color:#6b7280;font-size:13px}.stat-item strong{color:#111827;font-size:24px;line-height:1}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tool-panel{display:grid;gap:12px;min-width:0;margin-bottom:18px;padding:16px;border:1px solid #e1e4ea;border-radius:8px;background:#fff}.data-panel{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;min-width:0;margin-bottom:18px;padding:12px 14px;border:1px solid #e1e4ea;border-radius:8px;background:#fff}.data-panel span{min-width:0;color:#6b7280;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.data-panel div{display:flex;flex-wrap:wrap;gap:8px}.panel-heading{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px}.panel-heading h3{margin:0;color:#111827;font-size:18px;line-height:1.3}.panel-heading span{color:#6b7280;font-size:13px}.ai-manager-panel{align-content:start}.ai-chapter-list{display:grid;gap:10px}.ai-chapter-item{display:grid;gap:10px;min-width:0;padding:14px;border:1px solid #e5e7eb;border-radius:8px;background:#f8fafc}.ai-chapter-main{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-width:0}.chapter-action-row{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.ai-chapter-main h4{margin:0;color:#111827;font-size:15px;line-height:1.35;overflow-wrap:anywhere}.ai-chapter-main p,.chapter-job-line{margin:4px 0 0;color:#6b7280;font-size:13px;line-height:1.5}.chapter-job-line{color:#374151;font-weight:650}.ai-config-grid{display:grid;grid-template-columns:minmax(220px,2fr) minmax(180px,1.2fr) minmax(140px,1fr) 88px;gap:10px}.ai-config-grid label,.note-box{display:grid;gap:6px;min-width:0}.ai-config-grid span,.note-box span{color:#6b7280;font-size:12px;font-weight:700}.ai-config-grid input,.note-box textarea{width:100%;min-width:0;border:1px solid #d8dde6;border-radius:8px;background:#fff;color:#111827;outline:none}.ai-config-grid input{height:38px;padding:0 10px}.ai-config-grid input:focus,.note-box textarea:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1f}.tool-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.queue-summary{display:flex;flex-wrap:wrap;gap:8px}.queue-summary span{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid #e5e7eb;border-radius:999px;background:#f8fafc;color:#374151;font-size:13px;font-weight:650}.ai-queue-list{display:grid;align-content:start;gap:10px;height:300px;min-height:300px;overflow-y:auto;padding:2px 4px 2px 0;scrollbar-gutter:stable}.ai-queue-list.empty{place-items:center;align-content:center;padding-right:0;border:1px dashed #cbd5e1;border-radius:8px;background:#f8fafc}.queue-empty{margin:0;color:#6b7280;font-size:13px;font-weight:650}.ai-queue-item{display:grid;gap:9px;min-width:0;padding:12px;border:1px solid #e5e7eb;border-radius:8px;background:#f8fafc}.ai-queue-item.running{border-color:#93c5fd;background:#eff6ff}.ai-queue-item.done{border-color:#86efac;background:#f0fdf4}.ai-queue-item.failed{border-color:#fdba74;background:#fff7ed}.ai-queue-item.stopped{border-color:#d1d5db;background:#f3f4f6}.ai-queue-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-width:0}.ai-queue-head div{display:grid;gap:3px;min-width:0}.ai-queue-head strong{min-width:0;color:#111827;font-size:14px;line-height:1.35;overflow-wrap:anywhere}.ai-queue-head span{color:#6b7280;font-size:12px;font-weight:650}.check-control{display:inline-flex;align-items:center;gap:7px;min-height:38px;color:#374151;font-size:14px;font-weight:650}.check-control input{width:16px;height:16px;accent-color:#b91c1c}.hidden-input{display:none}.ai-progress{display:grid;gap:8px;min-width:0}.progress-track{width:100%;height:8px;overflow:hidden;border-radius:999px;background:#eef2f7}.progress-track span{display:block;height:100%;border-radius:inherit;background:#b91c1c;transition:width .18s ease}.ai-progress p{margin:0;color:#374151;font-size:13px;font-weight:650}.ai-progress em{margin-left:8px;color:#6b7280;font-style:normal;font-weight:500}.error-details{color:#b91c1c;font-size:13px}.error-details summary{cursor:pointer;font-weight:700}.error-details ul{margin:8px 0 0;padding-left:18px}.filter-button{display:inline-flex;align-items:center;gap:8px;border:1px solid #d8dde6;background:#fff;color:#4b5563;padding:0 13px;font-size:14px;font-weight:650}.filter-button span{color:#7f1d1d;font-size:12px}.filter-button.active{border-color:#b91c1c;background:#b91c1c;color:#fff}.filter-button.active span{color:#fee2e2}.question-scroll{min-height:0}.question-group{margin-bottom:28px}.group-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:0 0 10px}.group-header h3{margin:0;color:#111827;font-size:18px;line-height:1.3}.group-header span{color:#6b7280;font-size:13px}.question-card{scroll-margin-top:118px;min-width:0;overflow:hidden;margin-bottom:12px;padding:18px;border:1px solid #e1e4ea;border-radius:8px;background:#fff}.question-card.checked.correct{border-color:#86efac}.question-card.checked.incorrect{border-color:#fecaca}.question-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}.type-pill,.chapter-pill,.wrong-count,.result-label{display:inline-flex;align-items:center;min-height:24px;border-radius:6px;padding:0 8px;font-size:12px;font-weight:700}.type-pill{background:#edf2ff;color:#1d4ed8}.chapter-pill{max-width:min(420px,100%);overflow:hidden;background:#f3f4f6;color:#374151;text-overflow:ellipsis;white-space:nowrap}.wrong-count{background:#fef2f2;color:#b91c1c}.result-label{background:#ecfdf5;color:#15803d}.question-card.incorrect .result-label{background:#fef2f2;color:#b91c1c}.question-number{color:#6b7280;font-size:13px;font-weight:650}.question-text{margin:0 0 14px;color:#111827;font-size:17px;font-weight:620;line-height:1.7;overflow-wrap:anywhere;word-break:break-word}.option-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.option-list.compact{grid-template-columns:repeat(2,minmax(120px,220px))}.option-button{display:grid;grid-template-columns:28px minmax(0,1fr);align-items:start;gap:10px;min-width:0;min-height:46px;padding:10px 12px;border:1px solid #d8dde6;border-radius:8px;background:#fff;color:#374151;text-align:left;cursor:pointer}.option-button span:last-child{min-width:0;overflow-wrap:anywhere;word-break:break-word}.option-button:hover{border-color:#9ca3af;background:#f9fafb}.option-button.selected{border-color:#2563eb;background:#eff6ff}.option-button.correct{border-color:#22c55e;background:#f0fdf4}.option-button.wrong{border-color:#ef4444;background:#fef2f2}.option-marker{display:inline-flex;align-items:center;justify-content:center;width:28px;height:26px;border-radius:6px;background:#f3f4f6;color:#374151;font-size:13px;font-weight:800}.option-button.selected .option-marker{background:#2563eb;color:#fff}.option-button.correct .option-marker{background:#16a34a;color:#fff}.option-button.wrong .option-marker{background:#dc2626;color:#fff}.question-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.small-button{min-height:32px;padding:0 10px;border:1px solid #d1d5db;border-radius:8px;background:#fff;color:#374151;font-size:13px;font-weight:700;cursor:pointer}.small-button:hover{border-color:#9ca3af;background:#f9fafb}.small-button.active{border-color:#93c5fd;background:#eff6ff;color:#1d4ed8}.small-button.danger{border-color:#fecaca;background:#fff7f7;color:#b91c1c}.small-button.danger:hover{border-color:#fca5a5;background:#fef2f2}.answer-line{margin:12px 0 0;color:#4b5563;font-size:14px;font-weight:650}.note-box{margin-top:12px}.note-box textarea{min-height:64px;resize:vertical;padding:9px 10px;line-height:1.55}.ai-explanation{display:block;overflow:hidden;margin-top:12px;border:1px solid #dbeafe;border-radius:8px;background:#eff6ff}.ai-explanation.wrong{border-color:#93c5fd;background:#eff6ff}.ai-explanation-toggle{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;flex-wrap:wrap;gap:8px;width:100%;min-height:42px;padding:10px 12px;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.ai-explanation-toggle:hover{background:#dbeafe9e}.ai-explanation-toggle span{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;min-width:0}.ai-explanation strong{color:#1e3a8a;font-size:14px}.ai-explanation em{color:#64748b;font-size:12px;font-style:normal}.ai-explanation-toggle b{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:28px;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:12px}.ai-explanation-content{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .22s ease,opacity .18s ease}.ai-explanation.open .ai-explanation-content{grid-template-rows:1fr;opacity:1}.markdown-body{min-height:0;overflow:hidden;padding:0 12px;color:#1f2937;font-size:14px;line-height:1.75;overflow-wrap:anywhere;transition:padding-bottom .22s ease}.ai-explanation.open .markdown-body{padding-bottom:12px}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin:14px 0 8px;color:#111827;line-height:1.35}.markdown-body h1{font-size:20px}.markdown-body h2{font-size:18px}.markdown-body h3,.markdown-body h4{font-size:16px}.markdown-body p,.markdown-body ul,.markdown-body ol,.markdown-body blockquote,.markdown-body pre,.markdown-body table{margin:8px 0}.markdown-body ul,.markdown-body ol{padding-left:22px}.markdown-body li+li{margin-top:4px}.markdown-body code{border-radius:5px;background:#0f172a14;padding:2px 5px;font-family:Consolas,SFMono-Regular,monospace;font-size:.92em}.markdown-body pre{overflow:auto;border-radius:8px;background:#0f172a;padding:10px 12px;color:#e5e7eb}.markdown-body pre code{background:transparent;padding:0;color:inherit}.markdown-body blockquote{border-left:3px solid #93c5fd;padding-left:10px;color:#4b5563}.markdown-body a{color:#1d4ed8;text-decoration:underline;text-underline-offset:2px}.markdown-body table{width:100%;border-collapse:collapse;overflow-wrap:normal}.markdown-body th,.markdown-body td{border:1px solid #bfdbfe;padding:6px 8px;text-align:left;vertical-align:top}.empty-state{display:grid;min-height:180px;place-items:center;border:1px dashed #cbd5e1;border-radius:8px;background:#fff;color:#6b7280}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.generator-shell{padding:20px 16px 28px}.generator-header{grid-template-columns:minmax(0,1fr)}.sidebar{min-height:auto;gap:14px;padding:18px 16px 14px;border-right:0;border-bottom:1px solid #e1e4ea}.brand-block{padding:0 2px 2px}.brand-block h1{font-size:24px}.course-name{font-size:12px}.chapter-list{flex-direction:row;padding-bottom:4px;scrollbar-width:thin}.sidebar .question-directory{display:none}.question-directory-grid{grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:6px}.wrongbook-button{width:min(240px,74vw);min-height:56px}.chapter-button{width:min(240px,74vw);min-height:48px;flex:0 0 auto}.practice-panel{padding:22px 18px 96px}.mobile-directory-shell{position:fixed;right:12px;bottom:max(12px,env(safe-area-inset-bottom));left:12px;z-index:40;display:grid;grid-template-rows:auto 0fr;max-height:calc(100vh - 88px);overflow:hidden;border:1px solid rgba(209,213,219,.86);border-radius:18px;background:#fffffff5;box-shadow:0 20px 55px #0f172a38;backdrop-filter:blur(18px) saturate(1.28);-webkit-backdrop-filter:blur(18px) saturate(1.28);transition:grid-template-rows .22s ease,border-radius .22s ease,box-shadow .22s ease}.mobile-directory-shell.open{grid-template-rows:auto 1fr;border-radius:20px}.mobile-directory-toggle{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;min-height:56px;padding:10px 14px;border:0;background:transparent;color:#111827;text-align:left;cursor:pointer}.mobile-directory-toggle:before{content:"";position:absolute;top:7px;left:50%;width:42px;height:4px;border-radius:999px;background:#d1d5db;transform:translate(-50%)}.mobile-directory-toggle span{display:grid;gap:2px;min-width:0;padding-top:5px}.mobile-directory-toggle strong{font-size:15px;line-height:1.2}.mobile-directory-toggle em{overflow:hidden;color:#6b7280;font-size:12px;font-style:normal;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.mobile-directory-toggle b{display:inline-flex;align-items:center;justify-content:center;min-width:52px;min-height:32px;border-radius:999px;background:#b91c1c;color:#fff;font-size:13px;font-weight:750}.mobile-directory-panel{min-height:0;overflow:hidden auto;padding:0 14px 14px;overscroll-behavior:contain}.mobile-directory-shell:not(.open) .mobile-directory-panel{visibility:hidden}.mobile-directory-panel .question-directory-legend{margin-bottom:10px}.mobile-directory-panel .question-directory-section+.question-directory-section{margin-top:12px}.topbar{grid-template-columns:minmax(0,1fr);top:10px;margin:-2px 0 18px;padding:16px;border-radius:22px}.topbar.compact{width:100%;max-width:100%;margin-bottom:14px;padding:10px;border-radius:20px}.actions,.topbar-status{justify-content:flex-start}.stats-grid,.ai-config-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ai-chapter-main{grid-template-columns:minmax(0,1fr)}.chapter-action-row{justify-content:flex-start}.ai-queue-list{height:240px;min-height:240px}.ai-queue-head{grid-template-columns:minmax(0,1fr)}.option-list,.option-list.compact{grid-template-columns:1fr}}@media(max-width:520px){.sidebar{gap:12px;padding:14px 12px 12px}.brand-block h1{margin-top:4px;font-size:22px}.course-name{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.wrongbook-button,.chapter-button{width:min(220px,72vw)}.question-directory{max-height:124px;border-radius:8px}.sidebar .question-directory .question-directory-legend{display:none}.mobile-directory-shell{right:8px;bottom:max(8px,env(safe-area-inset-bottom));left:8px;max-height:calc(100vh - 72px);border-radius:16px}.mobile-directory-shell.open{border-radius:18px}.mobile-directory-panel{padding:0 10px 12px}.question-index-button{border-radius:7px;font-size:12px}.practice-panel{padding:16px 10px 88px}.topbar{top:8px;gap:8px;padding:9px 10px;border-radius:14px}.topbar .chapter-kicker{display:none}.topbar h2{display:-webkit-box;overflow:hidden;font-size:17px;line-height:1.25;-webkit-box-orient:vertical;-webkit-line-clamp:2}.topbar-status{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:6px}.topbar-status span{justify-content:space-between;min-height:27px;padding:0 8px}.topbar-status em{font-size:11px}.topbar-status strong{font-size:13px}.topbar.compact{gap:7px;padding:8px 9px;border-radius:14px}.topbar.compact h2{font-size:16px}.topbar.compact .topbar-status span{min-height:26px;padding:0 8px}.actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:6px}.actions button{width:100%;min-width:0;min-height:32px;padding-right:6px;padding-left:6px;font-size:13px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.stat-item{min-height:52px;padding:10px 12px}.stat-item strong{font-size:22px}.filter-row{flex-wrap:nowrap;gap:7px;overflow-x:auto;margin-right:-10px;margin-left:-10px;padding:0 10px 8px;scroll-snap-type:x proximity;scrollbar-width:none}.filter-row::-webkit-scrollbar{display:none}.filter-button{flex:0 0 auto;min-height:36px;scroll-snap-align:start}.data-panel{display:grid;padding:10px 12px}.data-panel div{display:grid;grid-template-columns:1fr 1fr}.question-group{margin-bottom:22px}.question-card{scroll-margin-top:150px;margin-bottom:10px;padding:14px 12px}.question-head{gap:6px}.question-text{margin-bottom:12px;font-size:16px;line-height:1.65}.option-button{grid-template-columns:26px minmax(0,1fr);gap:9px;min-height:44px;padding:9px 10px}.option-marker{width:26px;height:24px}.ai-explanation-toggle{grid-template-columns:minmax(0,1fr)}.ai-explanation-toggle b{justify-self:start}.ai-config-grid,.tool-actions{grid-template-columns:1fr}.ai-config-grid,.tool-actions{display:grid}.tool-actions button,.check-control,.ai-chapter-main button{width:100%}}