*{margin:0;padding:0;box-sizing:border-box;}
:root{--bg:#FFFFFF;--bg2:#FFF5F7;--bg3:#FFE9ED;--accent:#E88292;--accent2:#F2A7B3;--accent3:#FCCBD4;--text:#3D2C33;--text2:#8A7A80;--text3:#B0A0A6;--border:#F0E4E8;--shadow:0 2px 8px rgba(232,130,146,0.10);--shadow-hover:0 6px 20px rgba(232,130,146,0.15);--radius:10px;--radius-sm:6px;--nav-w:200px;--transition:0.25s ease;}
html,body{height:100%;font-family:-apple-system,'Microsoft YaHei','PingFang SC','Helvetica Neue',sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;}
#app{display:flex;height:100vh;}
.sidebar{width:var(--nav-w);background:var(--bg2);display:flex;flex-direction:column;border-right:1px solid var(--border);flex-shrink:0;}
.sidebar-header{display:flex;align-items:center;gap:10px;padding:24px 20px 20px;border-bottom:1px solid var(--border);}
.logo-text{font-size:18px;font-weight:700;color:var(--accent);letter-spacing:1px;}
.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:4px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text2);text-decoration:none;font-size:14px;font-weight:500;transition:all var(--transition);cursor:pointer;}
.nav-item:hover{background:var(--bg3);color:var(--text);}
.nav-item.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(232,130,146,0.3);}
.nav-icon{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;}
.main-content{flex:1;overflow-y:auto;padding:32px 40px;background:var(--bg);min-width:0;}
.page{display:none;animation:fadeIn 0.3s ease;}
.page.active{display:block;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.page-header{margin-bottom:24px;}
.page-header h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:4px;}
.page-desc{font-size:14px;color:var(--text2);margin:0;}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition);white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#D46A7C;box-shadow:0 4px 12px rgba(232,130,146,0.3);transform:translateY(-1px);}
.btn-primary:disabled{background:var(--accent3);cursor:not-allowed;transform:none;box-shadow:none;}
.btn-outline{background:transparent;color:var(--text2);border:1px solid var(--border);}
.btn-outline:hover{background:var(--bg2);border-color:var(--accent2);color:var(--accent);}
.btn-pink{background:var(--bg3);color:var(--accent);border:1px solid var(--accent2);}
.btn-pink:hover{background:var(--accent2);color:#fff;}
.btn-sm{padding:6px 14px;font-size:13px;}
.form-group{margin-bottom:16px;flex:1;}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;}
.form-row{display:flex;gap:16px;}
.input-text,.input-search,.input-select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text);background:var(--bg);width:100%;transition:border var(--transition);outline:none;font-family:inherit;}
.input-text:focus,.input-search:focus,.input-select:focus,.input-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,130,146,0.12);}
.input-textarea{padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text);background:var(--bg);width:100%;resize:vertical;min-height:120px;transition:border var(--transition);outline:none;font-family:inherit;line-height:1.7;}
.input-select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A7A80' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer;}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 12px;flex:1;max-width:280px;transition:border var(--transition);}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,130,146,0.12);}
.search-box .input-search{border:none;padding:8px 0;background:transparent;box-shadow:none;}
.search-box.small{max-width:100%;}
.input-with-hint{display:flex;gap:8px;align-items:center;}
.input-with-hint .input-text{flex:1;}
.hint-link{font-size:12px;color:var(--accent);text-decoration:none;white-space:nowrap;}
.hint-link:hover{text-decoration:underline;}
.collect-tabs{display:flex;gap:0;margin-bottom:20px;background:var(--bg2);border-radius:var(--radius-sm);padding:3px;width:fit-content;}
.tab-btn{padding:8px 20px;border:none;background:transparent;color:var(--text2);font-size:14px;font-weight:500;border-radius:4px;cursor:pointer;transition:all var(--transition);}
.tab-btn.active{background:#fff;color:var(--accent);box-shadow:0 1px 4px rgba(0,0,0,0.06);font-weight:600;}
.tab-content{display:none;}
.tab-content.active{display:block;}
.upload-zone{border:2px dashed var(--accent2);border-radius:var(--radius);padding:48px 24px;text-align:center;background:var(--bg2);cursor:pointer;transition:all var(--transition);margin-bottom:16px;}
.upload-zone:hover{border-color:var(--accent);background:var(--bg3);}
.upload-zone.dragover{border-color:var(--accent);background:var(--bg3);transform:scale(1.01);}
.upload-text{font-size:15px;color:var(--text2);margin:12px 0 4px;}
.upload-hint{font-size:12px;color:var(--text3);}
.preview-area{text-align:center;margin-bottom:16px;}
.preview-area img{max-width:100%;max-height:300px;border-radius:var(--radius-sm);box-shadow:var(--shadow);margin-bottom:8px;}
.loading-spinner{display:flex;align-items:center;gap:12px;padding:24px;justify-content:center;color:var(--text2);}
.spinner{width:24px;height:24px;border:3px solid var(--accent3);border-top-color:var(--accent);border-radius:50%;animation:spin 0.7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.analyze-result{margin-top:16px;}
.analyze-result h3{font-size:16px;margin-bottom:16px;color:var(--text);}
.form-actions{display:flex;gap:12px;margin-top:8px;}
.library-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:20px;flex-wrap:wrap;}
.category-filters{display:flex;gap:4px;flex-wrap:wrap;}
.filter-btn{padding:6px 14px;border:1px solid var(--border);background:var(--bg);border-radius:20px;font-size:13px;color:var(--text2);cursor:pointer;transition:all var(--transition);}
.filter-btn:hover{border-color:var(--accent2);color:var(--accent);}
.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.material-grid,.segment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.empty-state{padding:48px;text-align:center;color:var(--text3);grid-column:1/-1;}
.empty-state p{font-size:15px;}
.empty-state.small{padding:24px;}
.material-card,.segment-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:all var(--transition);position:relative;}
.material-card:hover,.segment-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--accent2);}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;gap:8px;}
.card-summary{font-size:15px;font-weight:600;color:var(--text);line-height:1.4;}
.card-category{font-size:11px;padding:2px 10px;border-radius:12px;white-space:nowrap;flex-shrink:0;}
.card-category.cat-导入{background:#E8F4F8;color:#3A8BA8;}
.card-category.cat-教学活动{background:#EDF7ED;color:#4A9C5A;}
.card-category.cat-课堂游戏{background:#FFF3E0;color:#C7802A;}
.card-category.cat-板书设计{background:#F3E8FF;color:#7C5ABF;}
.card-category.cat-作业设计{background:#FCE4EC;color:#B84A6C;}
.card-category.cat-教学案例{background:#E0F7FA;color:#2A8A8A;}
.card-category.cat-课堂管理{background:#FFF8E1;color:#A07A30;}
.card-category.cat-拓展资料{background:#E8EAF6;color:#5C6BC0;}
.card-category.cat-其他{background:var(--bg2);color:var(--text2);}
.card-content{font-size:13px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.card-footer{display:flex;justify-content:space-between;align-items:center;}
.card-meta{font-size:11px;color:var(--text3);}
.card-actions{display:flex;gap:4px;}
.icon-btn{background:none;border:none;cursor:pointer;padding:4px;border-radius:4px;color:var(--text3);transition:all var(--transition);display:flex;align-items:center;}
.icon-btn:hover{background:var(--bg2);color:var(--accent);}
.icon-btn.fav{color:var(--accent);fill:var(--accent);}
.card-migration{font-size:12px;color:var(--accent);background:var(--bg2);padding:6px 10px;border-radius:4px;margin-top:8px;line-height:1.4;}
.generate-layout{display:flex;gap:24px;height:calc(100vh - 160px);}
.generate-sidebar{width:280px;flex-shrink:0;display:flex;flex-direction:column;gap:12px;}
.generate-sidebar h3{font-size:15px;display:flex;align-items:center;gap:8px;}
.badge{font-size:11px;padding:2px 8px;border-radius:10px;background:var(--accent);color:#fff;font-weight:500;}
.gen-material-list{flex:1;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px;background:var(--bg2);}
.gen-material-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:4px;cursor:pointer;transition:background var(--transition);}
.gen-material-item:hover{background:var(--bg3);}
.gen-material-item input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;}
.gen-material-item .item-summary{font-size:13px;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gen-material-item .item-cat{font-size:11px;color:var(--text3);flex-shrink:0;}
.generate-main{flex:1;overflow-y:auto;}
.gen-section{margin-bottom:24px;}
.gen-section h3{font-size:15px;margin-bottom:12px;}
.type-grid{display:flex;gap:8px;flex-wrap:wrap;}
.type-btn{padding:8px 18px;border:1px solid var(--border);background:var(--bg);border-radius:var(--radius-sm);font-size:14px;color:var(--text2);cursor:pointer;transition:all var(--transition);}
.type-btn:hover{border-color:var(--accent2);color:var(--accent);}
.type-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.gen-options{display:flex;flex-direction:column;gap:16px;margin-top:20px;}
.gen-option-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;}
.gen-option-card h4{font-size:16px;color:var(--text);margin-bottom:12px;}
.gen-option-content{font-size:14px;color:var(--text);line-height:1.8;white-space:pre-wrap;margin-bottom:12px;}
.gen-option-highlights{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.highlight-tag{padding:3px 10px;border-radius:12px;background:var(--bg3);color:var(--accent);font-size:12px;}
.gen-option-actions{display:flex;gap:8px;}
.combo-panel{position:fixed;bottom:0;left:var(--nav-w);right:0;background:#fff;border-top:2px solid var(--accent);padding:16px 32px;box-shadow:0 -4px 20px rgba(0,0,0,0.08);z-index:100;}
.combo-panel h3{font-size:15px;margin-bottom:8px;}
.combo-panel .combo-actions{display:flex;gap:8px;margin-top:8px;}
#comboList{display:flex;flex-direction:column;gap:4px;max-height:120px;overflow-y:auto;}
.combo-item{font-size:13px;color:var(--text);padding:4px 0;border-bottom:1px solid var(--bg2);}
.settings-form{max-width:500px;}
.settings-form .form-group{margin-bottom:20px;}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.3);z-index:200;display:flex;align-items:center;justify-content:center;animation:fadeIn 0.2s ease;}
.modal{background:#fff;border-radius:var(--radius);width:90%;max-width:640px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,0.15);}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px 0;}
.modal-header h3{font-size:18px;color:var(--text);}
.modal-close{background:none;border:none;font-size:24px;color:var(--text3);cursor:pointer;padding:0 4px;line-height:1;}
.modal-close:hover{color:var(--text);}
.modal-body{padding:20px 24px;overflow-y:auto;flex:1;}
.modal-footer{padding:0 24px 20px;display:flex;gap:8px;}
.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:var(--radius-sm);background:var(--text);color:#fff;font-size:14px;z-index:300;animation:slideIn 0.3s ease;max-width:360px;}
.toast.success{background:#4A9C5A;}
.toast.error{background:#D46A7C;}
@keyframes slideIn{from{opacity:0;transform:translateX(20px);}to{opacity:1;transform:translateX(0);}}
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:var(--text3);}
*{scrollbar-width:thin;scrollbar-color:var(--border) transparent;}

.gen-method-tabs{display:flex;gap:12px;margin-bottom:16px;}.gen-method{padding:8px 20px;};.collect-form{border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px;}.collect-form h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}.form-hint{font-size:12px;color:var(--text3);font-weight:400;}

.gen-method-tabs{display:flex;gap:8px;margin-bottom:12px;}.gen-method{padding:6px 16px!important;font-size:13px!important;}.collect-form{border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px;}.collect-form h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}.form-hint{font-size:12px;color:var(--text3);font-weight:400;}
/* === Portfolio-grade UI refresh === */
:root{
  --bg:#f5f7f4;--bg2:#eef4f1;--bg3:#e4efec;--accent:#2f7d79;--accent2:#6aa7a1;--accent3:#d9ebe7;
  --text:#22302f;--text2:#667573;--text3:#94a19f;--border:#dce6e3;--surface:#ffffff;--surface2:#fbfdfc;
  --shadow:0 14px 38px rgba(39,73,70,.08);--shadow-hover:0 18px 48px rgba(39,73,70,.14);--radius:18px;--radius-sm:12px;--nav-w:220px;--transition:.22s cubic-bezier(.2,.8,.2,1);
}
html,body{background:radial-gradient(circle at 16% 10%,rgba(47,125,121,.12),transparent 28%),linear-gradient(135deg,#f7f8f4 0%,#eef5f3 100%);color:var(--text);font-family:"Inter","Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;letter-spacing:0;}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(90deg,rgba(47,125,121,.035) 0 1px,transparent 1px 5px);opacity:.45;mix-blend-mode:multiply;}
.skip-nav{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;z-index:999;}.skip-nav:focus{left:12px;}
#app{height:100vh;position:relative;z-index:1;}
.sidebar{background:rgba(255,255,255,.72);backdrop-filter:blur(18px);border-right:1px solid rgba(220,230,227,.8);box-shadow:8px 0 30px rgba(47,88,84,.05)}
.sidebar-header{padding:26px 20px 22px;display:block}.logo-text{display:block;color:var(--text);font-size:21px;letter-spacing:0;font-weight:800}.logo-kicker{display:inline-flex;margin-top:8px;color:var(--accent);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}.sidebar-nav{padding:14px 12px;gap:6px}.nav-item{border-radius:14px;padding:12px 14px;color:var(--text2);font-weight:650}.nav-item:hover{background:var(--bg2);color:var(--text);transform:translateX(2px)}.nav-item.active{background:#193f3c;color:#fff;box-shadow:0 10px 26px rgba(25,63,60,.22)}
.main-content{padding:28px clamp(20px,4vw,48px);background:transparent;scroll-behavior:smooth}.product-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:24px;align-items:end;margin-bottom:28px;padding:28px;border:1px solid rgba(220,230,227,.9);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(246,250,249,.84));box-shadow:var(--shadow)}.hero-eyebrow{margin:0 0 10px;color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:800}.product-hero h1{max-width:760px;margin:0;color:#182725;font-size:clamp(28px,4.4vw,52px);line-height:1.08;font-weight:850}.product-hero p{max-width:760px;margin:16px 0 0;color:var(--text2);font-size:16px;line-height:1.8}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hero-metrics span{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--border);border-radius:18px;background:#fff;color:var(--text2);font-size:12px}.hero-metrics strong{color:var(--accent);font-size:20px;line-height:1}
.page-header{margin-bottom:18px}.page-header h2{font-size:22px;color:#1f302e}.page-desc{color:var(--text2)}.collect-body,.settings-form,.generate-main,#manualCreateSection,.generate-sidebar,.gen-option-card,.combo-panel{background:rgba(255,255,255,.86);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:22px}.collect-body{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(360px,1.1fr);gap:20px}.collect-tabs{grid-column:1/-1;background:var(--bg2);border-radius:16px;padding:4px}.tab-btn{border-radius:12px}.tab-btn.active{color:var(--accent);box-shadow:0 8px 22px rgba(47,125,121,.10)}.tab-content{min-height:220px}.upload-zone{border:1.5px dashed #9bc8c2;background:linear-gradient(180deg,#fbfdfc,#eef7f4);border-radius:22px;padding:44px 24px}.upload-zone:hover,.upload-zone.dragover{background:#e9f5f2;border-color:var(--accent);transform:translateY(-1px)}.collect-form{grid-column:1/-1;border:0;background:linear-gradient(180deg,#ffffff,#fbfdfc);border-radius:22px;padding:22px;margin-top:0;box-shadow:inset 0 0 0 1px var(--border)}.collect-form h3{font-size:17px;color:#1e302e}.summary-group{padding:16px;border:1px solid #cfe4df;background:#f7fbfa;border-radius:18px}.summary-input{font-size:17px;font-weight:750;color:#18312e;background:#fff}.form-row{gap:18px}.form-group label{font-size:13px;color:#22302f}.form-hint{color:var(--text3);font-weight:500}.input-text,.input-search,.input-select,.input-textarea{border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--text);padding:12px 14px;box-shadow:0 1px 0 rgba(255,255,255,.8);line-height:1.7}.input-text:focus,.input-search:focus,.input-select:focus,.input-textarea:focus{border-color:var(--accent2);box-shadow:0 0 0 4px rgba(47,125,121,.13)}.input-textarea{min-height:132px}.btn{border-radius:14px;font-weight:750}.btn-primary,.btn-pink{background:var(--accent);color:#fff;border:1px solid var(--accent);box-shadow:0 12px 24px rgba(47,125,121,.18)}.btn-primary:hover,.btn-pink:hover{background:#256966;color:#fff;box-shadow:0 16px 32px rgba(47,125,121,.22);transform:translateY(-1px)}.btn-outline{border:1px solid var(--border);background:#fff;color:var(--text2)}.btn-outline:hover{border-color:var(--accent2);background:var(--bg2);color:var(--accent)}
.tag-chip-preview{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.tag-chip,.highlight-tag,.filter-btn,.card-category{display:inline-flex;align-items:center;border-radius:999px;background:#e9f4f1;color:#276d68;border:1px solid #cfe4df;padding:5px 11px;font-size:12px;font-weight:700}.migration-preview{display:grid;gap:10px;margin-top:12px}.migration-card{padding:14px 16px;border:1px solid var(--border);border-radius:16px;background:#fff}.migration-card strong{display:block;color:#1f514d;margin-bottom:6px}.migration-card p{margin:0;color:var(--text2);line-height:1.75}.migration-index{font-size:11px;color:var(--text3);font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}.library-toolbar{padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.72)}.search-box{border:1px solid var(--border);border-radius:14px;max-width:340px}.material-grid,.segment-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}.material-card,.segment-card{border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.92);padding:18px;box-shadow:0 8px 22px rgba(47,73,70,.05);cursor:pointer}.material-card:hover,.segment-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c7ded9}.card-summary{font-size:15px;line-height:1.55;color:#1d2f2d}.card-content{color:var(--text2);font-size:13px;line-height:1.7}.card-migration{background:#f0f7f5;color:#315e5a;border-left:3px solid var(--accent2);border-radius:12px;padding:10px 12px;white-space:pre-line}.generate-layout{height:auto;min-height:calc(100vh - 220px);align-items:start}.generate-sidebar{width:310px}.gen-material-list{background:#f7fbfa;border-radius:16px}.type-btn{border-radius:999px}.type-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.modal-overlay{backdrop-filter:blur(5px)}.modal{border-radius:24px;border:1px solid var(--border);box-shadow:0 24px 80px rgba(20,39,37,.22)}.toast{border-radius:16px;background:#18312e;box-shadow:0 16px 42px rgba(20,39,37,.24)}
@media (max-width:1100px){.product-hero,.collect-body{grid-template-columns:1fr}.hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.generate-layout{flex-direction:column}.generate-sidebar{width:100%}}
@media (max-width:760px){#app{display:block;height:auto}.sidebar{width:100%;position:sticky;top:0;z-index:20;border-right:0;border-bottom:1px solid var(--border)}.sidebar-header{padding:16px 18px}.sidebar-nav{flex-direction:row;overflow-x:auto;padding:10px 12px}.nav-item{white-space:nowrap}.main-content{padding:18px}.product-hero{padding:20px;border-radius:22px}.hero-metrics{grid-template-columns:1fr}.form-row{flex-direction:column;gap:0}.material-grid,.segment-grid{grid-template-columns:1fr}.collect-form,.collect-body,.settings-form,.generate-main,#manualCreateSection,.generate-sidebar{padding:16px;border-radius:18px}.combo-panel{left:0;padding:14px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* === Figma-inspired UI/UX refresh: product workbench layer === */
:root{
  --ui-bg:#f4f6f2;
  --ui-paper:#ffffff;
  --ui-paper-soft:#fbfcf8;
  --ui-ink:#172523;
  --ui-muted:#66736f;
  --ui-faint:#97a39d;
  --ui-line:#dfe7e1;
  --ui-line-strong:#c8d7cf;
  --ui-brand:#276f69;
  --ui-brand-dark:#174c48;
  --ui-brand-soft:#e5f1ed;
  --ui-warn:#b8793c;
  --ui-radius-lg:24px;
  --ui-radius-md:16px;
  --ui-radius-sm:10px;
  --ui-shadow:0 18px 55px rgba(31,54,49,.10);
  --ui-shadow-soft:0 10px 28px rgba(31,54,49,.07);
  --bg:var(--ui-bg);--bg2:#eef4ef;--bg3:#e6f0eb;--accent:var(--ui-brand);--accent2:#6fa79d;--accent3:#d8e9e3;
  --text:var(--ui-ink);--text2:var(--ui-muted);--text3:var(--ui-faint);--border:var(--ui-line);--radius:var(--ui-radius-lg);--radius-sm:var(--ui-radius-sm);--nav-w:248px;
}
html,body{background:var(--ui-bg);color:var(--ui-ink);font-family:"Inter","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;}
body:before{display:none;}
#app{gap:18px;padding:18px;background:linear-gradient(180deg,#f7f8f3 0%,#eef4f1 100%);}
.sidebar{height:calc(100vh - 36px);border:1px solid rgba(207,219,211,.92);border-radius:26px;background:rgba(255,255,255,.86);box-shadow:var(--ui-shadow-soft);overflow:hidden;}
.sidebar-header{padding:24px 22px 18px;border-bottom:0;position:relative;}
.sidebar-header:after{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,var(--ui-line),transparent);margin-top:20px;}
.logo-text{font-size:22px;font-weight:850;color:var(--ui-ink);}
.logo-kicker{margin-top:7px;color:var(--ui-brand);font-size:11px;letter-spacing:.18em;font-weight:800;}
.sidebar-nav{padding:8px 12px 16px;gap:8px;}
.nav-item{min-height:44px;border-radius:15px;padding:11px 13px 11px 42px;position:relative;color:#66736f;font-weight:700;}
.nav-item:before{content:"";position:absolute;left:14px;top:50%;width:14px;height:14px;border:1px solid #b9cac2;border-radius:5px;transform:translateY(-50%);background:#fff;}
.nav-item:hover{background:#f1f6f3;color:var(--ui-ink);transform:none;}
.nav-item.active{background:var(--ui-brand-dark);color:#fff;box-shadow:0 14px 30px rgba(23,76,72,.22);}
.nav-item.active:before{background:#9bd3c8;border-color:#9bd3c8;box-shadow:inset 0 0 0 3px var(--ui-brand-dark);}
.main-content{height:calc(100vh - 36px);padding:0;overflow:auto;border:1px solid rgba(207,219,211,.92);border-radius:30px;background:rgba(250,252,248,.72);box-shadow:var(--ui-shadow-soft);}
.main-content>.product-hero,.main-content>.page{width:min(1220px,calc(100% - 48px));margin-left:auto;margin-right:auto;}
.product-hero{margin-top:24px;margin-bottom:22px;padding:28px 30px;border-radius:30px;background:#fff;border:1px solid var(--ui-line);box-shadow:var(--ui-shadow);position:relative;overflow:hidden;}
.product-hero:before{content:"";position:absolute;right:26px;top:26px;width:170px;height:170px;border:1px solid #dbe8e2;border-radius:42px;transform:rotate(10deg);background:linear-gradient(135deg,rgba(229,241,237,.8),rgba(255,255,255,.2));}
.product-hero>div{position:relative;z-index:1;}
.hero-eyebrow{color:var(--ui-brand);letter-spacing:.18em;font-size:11px;font-weight:850;}
.product-hero h1{max-width:780px;font-size:clamp(32px,4.2vw,56px);line-height:1.05;letter-spacing:0;color:#13211f;}
.product-hero p{max-width:760px;color:var(--ui-muted);font-size:16px;line-height:1.85;}
.hero-metrics{align-self:stretch;align-items:stretch;}
.hero-metrics span{border:1px solid var(--ui-line);border-radius:20px;background:#fbfdfb;padding:18px 16px;box-shadow:0 6px 18px rgba(31,54,49,.05);}
.hero-metrics strong{font-size:24px;color:var(--ui-brand-dark);}
.page{padding-bottom:36px;}
.page-header{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:0 0 16px;}
.page-header h2{font-size:24px;letter-spacing:0;color:var(--ui-ink);}
.page-desc{font-size:14px;color:var(--ui-muted);}
.collect-tabs{margin-bottom:14px;background:#e9f0eb;border:1px solid var(--ui-line);border-radius:999px;padding:4px;box-shadow:inset 0 1px 1px rgba(255,255,255,.7);}
.tab-btn{height:36px;padding:0 20px;border-radius:999px;font-weight:750;color:#61706b;}
.tab-btn.active{background:#fff;color:var(--ui-brand-dark);box-shadow:0 8px 20px rgba(31,54,49,.10);}
.collect-body{grid-template-columns:minmax(310px,.78fr) minmax(480px,1.22fr);align-items:start;padding:20px;background:#fff;border:1px solid var(--ui-line);border-radius:28px;box-shadow:var(--ui-shadow);}
.collect-body .tab-content{grid-column:1;min-height:278px;}
.collect-body>#analyzeBtn{grid-column:1;width:100%;justify-content:center;height:46px;margin-top:2px;}
.collect-body>#analyzeLoading{grid-column:1;}
.collect-form{grid-column:2;grid-row:1 / span 5;margin:0;padding:22px;border:1px solid var(--ui-line);border-radius:24px;background:#fbfdfb;box-shadow:none;}
.collect-form h3{font-size:18px;margin-bottom:18px;color:var(--ui-ink);}
.upload-zone{min-height:278px;display:flex;flex-direction:column;justify-content:center;border:1px dashed #9abeb5;border-radius:24px;background:#f4faf7;}
.upload-text{font-size:16px;font-weight:750;color:var(--ui-ink);}
.upload-hint{color:var(--ui-faint);}
.preview-area img{border-radius:20px;box-shadow:var(--ui-shadow-soft);}
.summary-group{background:#edf7f3;border:1px solid #cfe2da;border-radius:20px;padding:15px;}
.summary-input{font-size:16px;font-weight:800;color:var(--ui-brand-dark);}
.input-text,.input-search,.input-select,.input-textarea{border:1px solid var(--ui-line);border-radius:15px;background:#fff;padding:12px 14px;color:var(--ui-ink);box-shadow:0 1px 0 rgba(255,255,255,.9);}
.input-textarea{line-height:1.75;}
.input-text:focus,.input-search:focus,.input-select:focus,.input-textarea:focus{border-color:#83b8ad;box-shadow:0 0 0 4px rgba(39,111,105,.14);}
.btn{min-height:40px;border-radius:14px;font-weight:800;letter-spacing:0;}
.btn-primary,.btn-pink{background:var(--ui-brand);border:1px solid var(--ui-brand);color:#fff;box-shadow:0 12px 26px rgba(39,111,105,.20);}
.btn-primary:hover,.btn-pink:hover{background:var(--ui-brand-dark);border-color:var(--ui-brand-dark);transform:translateY(-1px);box-shadow:0 16px 34px rgba(23,76,72,.24);}
.btn-outline{background:#fff;border:1px solid var(--ui-line-strong);color:var(--ui-muted);}
.btn-outline:hover{background:#f2f8f5;border-color:#91bdb4;color:var(--ui-brand-dark);}
.tag-chip-preview{min-height:34px;align-content:flex-start;}
.tag-chip{background:#e7f3ef;color:#225f59;border:1px solid #cce3dc;border-radius:999px;padding:5px 11px;font-weight:800;}
.migration-preview{grid-template-columns:1fr;}
.migration-card{border-radius:18px;border:1px solid #d7e5df;background:#fff;padding:14px 16px;box-shadow:0 7px 18px rgba(31,54,49,.05);}
.migration-index{color:#7c8f89;}
.migration-card strong{color:var(--ui-brand-dark);}
.migration-card p{font-size:13px;color:var(--ui-muted);}
.library-toolbar{background:#fff;border:1px solid var(--ui-line);border-radius:22px;padding:14px;box-shadow:var(--ui-shadow-soft);}
.search-box{height:44px;background:#f9fbf8;border-radius:15px;}
.category-filters{gap:8px;}
.filter-btn{height:34px;border-radius:999px;background:#fff;border:1px solid var(--ui-line);color:var(--ui-muted);font-weight:750;}
.filter-btn.active{background:var(--ui-brand-dark);border-color:var(--ui-brand-dark);color:#fff;}
.material-grid,.segment-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;}
.material-card,.segment-card{min-height:210px;border-radius:22px;background:#fff;border:1px solid var(--ui-line);box-shadow:0 8px 24px rgba(31,54,49,.06);padding:18px;display:flex;flex-direction:column;}
.material-card:hover,.segment-card:hover{border-color:#bfd6cf;box-shadow:var(--ui-shadow);transform:translateY(-3px);}
.card-top{gap:12px;}
.card-summary{font-size:16px;font-weight:820;color:#182825;}
.card-category{background:#edf6f2!important;color:#23635d!important;border:1px solid #d0e4dc;border-radius:999px;padding:4px 10px;font-weight:800;}
.card-content{font-size:13px;color:var(--ui-muted);line-height:1.75;-webkit-line-clamp:4;}
.card-migration{margin-top:auto;background:#f4f9f7;color:#315e59;border-left:3px solid #80b9af;border-radius:14px;padding:10px 12px;white-space:pre-line;}
.card-footer{margin-top:12px;padding-top:10px;border-top:1px solid #edf2ef;}
.icon-btn{width:30px;height:30px;justify-content:center;border-radius:10px;background:#f7faf8;color:#7e8d88;}
.icon-btn:hover{background:#e9f3ef;color:var(--ui-brand-dark);}
.generate-layout{gap:18px;}
.generate-sidebar,.generate-main,#manualCreateSection,.settings-form{background:#fff;border:1px solid var(--ui-line);border-radius:24px;box-shadow:var(--ui-shadow);}
.generate-sidebar{width:330px;position:sticky;top:20px;}
.generate-sidebar h3,.gen-section h3{font-size:16px;color:var(--ui-ink);}
.badge{background:#e7f3ef;color:var(--ui-brand-dark);border:1px solid #cbe1da;}
.gen-material-list{background:#f7faf8;border:1px solid var(--ui-line);border-radius:18px;}
.gen-material-item{border-radius:13px;}
.gen-material-item:hover{background:#edf6f2;}
.type-grid{gap:10px;}
.type-btn{height:38px;border-radius:999px;border:1px solid var(--ui-line);font-weight:750;background:#fff;color:var(--ui-muted);}
.type-btn.active{background:var(--ui-brand-dark);border-color:var(--ui-brand-dark);color:#fff;box-shadow:0 10px 24px rgba(23,76,72,.18);}
.gen-option-card{border-radius:22px;background:#fff;border:1px solid var(--ui-line);box-shadow:var(--ui-shadow-soft);}
.combo-panel{left:calc(var(--nav-w) + 18px);right:18px;bottom:18px;border:1px solid var(--ui-line);border-radius:24px;background:rgba(255,255,255,.94);box-shadow:0 22px 70px rgba(31,54,49,.18);}
.settings-form{padding:24px;max-width:620px;}
.modal{border-radius:26px;border:1px solid var(--ui-line);}
.toast{border-radius:15px;}
@media (max-width:1120px){
  .main-content>.product-hero,.main-content>.page{width:min(100% - 32px,980px)}
  .collect-body{grid-template-columns:1fr;}
  .collect-body .tab-content,.collect-body>#analyzeBtn,.collect-body>#analyzeLoading,.collect-form{grid-column:1;grid-row:auto;}
  .generate-layout{flex-direction:column;}.generate-sidebar{width:100%;position:static;}
}
@media (max-width:760px){
  #app{padding:0;gap:0;background:var(--ui-bg);}
  .sidebar{height:auto;border-radius:0;border-left:0;border-right:0;border-top:0;}
  .main-content{height:auto;border:0;border-radius:0;box-shadow:none;}
  .main-content>.product-hero,.main-content>.page{width:calc(100% - 28px);}
  .product-hero{margin-top:14px;padding:20px;border-radius:22px;}
  .product-hero:before{display:none;}
  .collect-body,.collect-form,.library-toolbar,.generate-sidebar,.generate-main,#manualCreateSection,.settings-form{border-radius:20px;padding:16px;}
  .material-grid,.segment-grid{grid-template-columns:1fr;}
  .combo-panel{left:12px;right:12px;bottom:12px;}
}

/* === UI trim fix: compact header, tags, migration preview === */
.product-hero{display:block!important;margin-top:18px!important;margin-bottom:18px!important;padding:20px 24px!important;border-radius:22px!important;box-shadow:0 8px 24px rgba(31,54,49,.06)!important;}
.product-hero:before,.hero-metrics{display:none!important;}
.hero-eyebrow{margin:0 0 6px!important;font-size:11px!important;letter-spacing:.12em!important;color:#6d7d78!important;}
.product-hero h1{font-size:32px!important;line-height:1.18!important;font-weight:820!important;margin:0!important;color:#1e2f2c!important;}
.product-hero p{margin:8px 0 0!important;font-size:14px!important;line-height:1.55!important;color:#6f7b77!important;max-width:520px!important;}
.tag-chip-preview{display:flex!important;flex-wrap:wrap!important;gap:8px!important;margin-top:8px!important;max-width:100%!important;overflow:hidden!important;}
.tag-chip-preview:empty{display:none!important;}
.tag-chip{max-width:128px!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;padding:4px 10px!important;font-size:12px!important;line-height:1.4!important;}
#resultTags{white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;}
.migration-preview{margin-top:10px!important;display:grid!important;gap:10px!important;}
.migration-card{padding:12px 14px!important;border-radius:14px!important;}
.migration-index{display:none!important;}
.migration-card strong{font-size:14px!important;margin-bottom:4px!important;display:block!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;}
.migration-card p{font-size:13px!important;line-height:1.65!important;margin:0!important;display:-webkit-box!important;-webkit-line-clamp:3!important;-webkit-box-orient:vertical!important;overflow:hidden!important;}
.form-group:has(#resultMigration) .form-hint{font-size:0!important;}
.form-group:has(#resultMigration) .form-hint:after{content:"自动生成同类课文迁移场景";font-size:12px!important;}
@media (max-width:760px){.product-hero h1{font-size:26px!important}.product-hero{padding:16px 18px!important}.tag-chip{max-width:110px!important}}

/* === Reference image inspired cream-green portfolio UI === */
:root{
  --cream:#fbf8ed;--cream-2:#f5f0df;--card:#fffdf6;--green:#8d9b55;--green-dark:#5f7130;--green-soft:#eef3d7;
  --rose:#f6d9d6;--yellow:#f6e9bd;--line:#e8e2d1;--ink:#2f3328;--muted:#777a68;--soft:#a7a991;
  --bg:var(--cream);--bg2:#f7f3e7;--bg3:#eef3d7;--accent:var(--green);--accent2:#b4bd78;--accent3:#e8edc7;
  --text:var(--ink);--text2:var(--muted);--text3:var(--soft);--border:var(--line);--radius:26px;--radius-sm:16px;--nav-w:238px;
  --shadow:0 22px 70px rgba(92,101,48,.13);--shadow-hover:0 26px 80px rgba(92,101,48,.18);
}
html,body{background:radial-gradient(circle at 10% 8%,rgba(220,232,166,.48),transparent 28%),radial-gradient(circle at 92% 10%,rgba(246,217,214,.58),transparent 22%),linear-gradient(180deg,#fdfaf0 0%,#f4efd9 100%)!important;color:var(--ink)!important;}
#app{padding:26px!important;gap:22px!important;background:transparent!important;}
.sidebar{height:calc(100vh - 52px)!important;border:1px solid rgba(232,226,209,.88)!important;border-radius:30px 0 0 30px!important;background:rgba(255,253,246,.82)!important;box-shadow:0 24px 70px rgba(92,101,48,.13)!important;backdrop-filter:blur(20px)!important;}
.sidebar-header{padding:28px 26px 18px!important;}
.logo-text{font-size:20px!important;color:#4f6129!important;font-weight:850!important;}
.logo-kicker{color:#8d9b55!important;letter-spacing:.08em!important;font-size:12px!important;text-transform:none!important;}
.nav-item{min-height:48px!important;margin:2px 0!important;border-radius:12px!important;color:#606451!important;font-weight:720!important;padding-left:44px!important;}
.nav-item:before{border-color:#c6cba8!important;border-radius:999px!important;background:#fffdf6!important;}
.nav-item:hover{background:#f3eadf!important;color:#445126!important;}
.nav-item.active{background:linear-gradient(135deg,#f5d6d2,#f7e0dc)!important;color:#623f3c!important;box-shadow:none!important;}
.nav-item.active:before{background:#e06f75!important;border-color:#e06f75!important;box-shadow:inset 0 0 0 4px #fff4f1!important;}
.main-content{height:calc(100vh - 52px)!important;border:1px solid rgba(232,226,209,.88)!important;border-left:0!important;border-radius:0 30px 30px 0!important;background:rgba(255,253,246,.78)!important;box-shadow:0 24px 70px rgba(92,101,48,.13)!important;backdrop-filter:blur(18px)!important;}
.main-content>.product-hero,.main-content>.page{width:min(1180px,calc(100% - 44px))!important;}
.product-hero{margin-top:28px!important;margin-bottom:22px!important;padding:28px 34px!important;border:0!important;border-radius:28px!important;background:transparent!important;box-shadow:none!important;}
.product-hero:before{display:none!important;}
.hero-eyebrow{font-size:14px!important;letter-spacing:.08em!important;color:#656a50!important;font-weight:650!important;margin-bottom:12px!important;}
.product-hero h1{font-family:"STSong","Songti SC","SimSun","Microsoft YaHei",serif!important;font-size:clamp(48px,7vw,76px)!important;letter-spacing:.08em!important;line-height:1!important;color:#71843b!important;font-weight:800!important;}
.product-hero p{font-size:20px!important;color:#3f4734!important;line-height:1.5!important;margin-top:18px!important;max-width:680px!important;}
.product-hero p:after{content:"捕捉灵感 · 整合素材 · 智能生成 · 高效备课";display:block;margin-top:18px;font-size:14px;color:#7d816d;letter-spacing:.08em;}
.page-header{margin:0 0 18px!important;padding:0 4px!important;}
.page-header h2{font-size:26px!important;color:#3d422f!important;font-weight:850!important;}
.page-desc{font-size:15px!important;color:#818570!important;}
.collect-tabs{background:#f8ede9!important;border:0!important;border-radius:15px!important;width:max-content!important;padding:6px!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.82)!important;}
.tab-btn{height:46px!important;padding:0 34px!important;border-radius:12px!important;font-size:16px!important;color:#8b8179!important;}
.tab-btn.active{background:#fffdf8!important;color:#d87078!important;box-shadow:0 12px 26px rgba(172,117,96,.12)!important;}
.collect-body{display:grid!important;grid-template-columns:minmax(310px,.72fr) minmax(520px,1.28fr)!important;gap:22px!important;padding:22px!important;border:1px solid rgba(232,226,209,.92)!important;border-radius:28px!important;background:rgba(255,253,246,.92)!important;box-shadow:var(--shadow)!important;}
.collect-body .tab-content{grid-column:1!important;}
.collect-body>#analyzeBtn{grid-column:1!important;width:100%!important;height:52px!important;justify-content:center!important;}
.collect-form{grid-column:2!important;grid-row:1 / span 5!important;margin:0!important;padding:22px!important;border:1px solid #ede7d7!important;border-radius:24px!important;background:#fffdf8!important;box-shadow:0 10px 36px rgba(92,101,48,.06)!important;}
.collect-form h3{font-size:18px!important;color:#4b5332!important;}
.upload-zone{min-height:310px!important;border:1px dashed #c8cfa1!important;border-radius:24px!important;background:linear-gradient(180deg,#fffdf8,#f4f0dc)!important;}
.upload-text{font-weight:850!important;color:#4c5630!important;}
.upload-hint{color:#999b83!important;}
.input-text,.input-search,.input-select,.input-textarea{border:1px solid #e5dfcd!important;border-radius:16px!important;background:#fffefa!important;color:#34382c!important;padding:13px 15px!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.9)!important;}
.input-textarea{line-height:1.8!important;}
.input-text:focus,.input-search:focus,.input-select:focus,.input-textarea:focus{border-color:#b5c06e!important;box-shadow:0 0 0 4px rgba(141,155,85,.14)!important;}
.summary-group{background:#f5f6e8!important;border:1px solid #dfe6b9!important;border-radius:20px!important;}
.summary-input{color:#4c612b!important;font-weight:850!important;}
.btn{border-radius:14px!important;font-weight:850!important;}
.btn-primary,.btn-pink{background:linear-gradient(180deg,#9cae58,#7e9435)!important;border:0!important;color:#fff!important;box-shadow:0 14px 28px rgba(125,148,53,.28)!important;}
.btn-primary:hover,.btn-pink:hover{background:linear-gradient(180deg,#8ea14c,#687f25)!important;transform:translateY(-1px)!important;}
.btn-outline{background:#fffefa!important;border:1px solid #ddd6c2!important;color:#697153!important;}
.tag-chip-preview{max-height:64px!important;overflow:hidden!important;}
.tag-chip{background:#edf4d8!important;color:#5c702d!important;border:1px solid #dce8b8!important;border-radius:999px!important;font-weight:820!important;max-width:138px!important;}
.migration-edit-toggle{display:inline-flex;align-items:center;justify-content:center;margin:0 0 10px auto;padding:7px 12px;border:1px solid #d9d4bd;border-radius:999px;background:#fffefa;color:#6b744f;font-size:12px;font-weight:800;cursor:pointer;}
.migration-editor{display:none!important;}
.migration-editor.is-open{display:block!important;}
.migration-card{border:1px solid #e5dfcd!important;border-radius:18px!important;background:linear-gradient(180deg,#fffefa,#fbf7eb)!important;box-shadow:0 10px 26px rgba(92,101,48,.08)!important;padding:15px 16px!important;}
.migration-card strong{color:#5f7130!important;}
.migration-card p{color:#5f6254!important;line-height:1.75!important;-webkit-line-clamp:4!important;}
.library-toolbar,.generate-sidebar,.generate-main,#manualCreateSection,.settings-form{background:rgba(255,253,246,.92)!important;border:1px solid #e8e2d1!important;border-radius:24px!important;box-shadow:var(--shadow)!important;}
.filter-btn,.type-btn{background:#fffefa!important;border:1px solid #ded8c5!important;color:#70745d!important;border-radius:999px!important;font-weight:780!important;}
.filter-btn.active,.type-btn.active{background:#8d9b55!important;border-color:#8d9b55!important;color:#fff!important;}
.material-card,.segment-card,.gen-option-card{background:#fffdf8!important;border:1px solid #e8e2d1!important;border-radius:22px!important;box-shadow:0 12px 34px rgba(92,101,48,.08)!important;}
.material-card:hover,.segment-card:hover{transform:translateY(-3px)!important;box-shadow:var(--shadow-hover)!important;}
.card-category{background:#edf4d8!important;color:#5c702d!important;border:1px solid #dce8b8!important;}
.card-migration{background:#f6f5e9!important;border-left:3px solid #9aaa57!important;color:#5d604f!important;}
.combo-panel{background:rgba(255,253,246,.94)!important;border:1px solid #e8e2d1!important;border-radius:24px!important;}
.modal{background:#fffdf8!important;border:1px solid #e8e2d1!important;border-radius:26px!important;}
@media(max-width:1120px){.collect-body{grid-template-columns:1fr!important}.collect-form,.collect-body .tab-content,.collect-body>#analyzeBtn{grid-column:1!important;grid-row:auto!important}.product-hero h1{font-size:54px!important}}
@media(max-width:760px){#app{padding:0!important}.sidebar,.main-content{height:auto!important;border-radius:0!important;border-left:0!important;border-right:0!important}.product-hero h1{font-size:42px!important}.product-hero p{font-size:16px!important}.main-content>.product-hero,.main-content>.page{width:calc(100% - 28px)!important}.collect-body,.collect-form{padding:16px!important;border-radius:20px!important}}

/* === Generate page selectable material workbench === */
.generate-layout{display:grid!important;grid-template-columns:minmax(340px,390px) minmax(0,1fr)!important;align-items:start!important;gap:22px!important;min-height:620px!important;}
.generate-sidebar{width:auto!important;position:sticky!important;top:18px!important;padding:20px!important;overflow:visible!important;}
.generate-sidebar h3{display:flex!important;align-items:center!important;gap:10px!important;flex-wrap:wrap!important;margin-bottom:12px!important;color:#4d5633!important;}
#selectedCount{display:inline-flex!important;align-items:center!important;min-height:28px!important;padding:4px 12px!important;border-radius:999px!important;background:#edf4d8!important;color:#5f7130!important;border:1px solid #dce8b8!important;font-weight:850!important;}
.clear-gen-selection{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:3px 10px;border-radius:999px;border:1px solid #ded8c5;background:#fffefa;color:#777a68;font-size:12px;font-weight:800;cursor:pointer;}
.clear-gen-selection:hover{background:#f4f0dc;color:#5f7130;}
.gen-material-list{min-height:460px!important;max-height:calc(100vh - 300px)!important;overflow:auto!important;padding:10px!important;background:#faf7eb!important;border:1px solid #e8e2d1!important;border-radius:20px!important;display:flex!important;flex-direction:column!important;gap:10px!important;pointer-events:auto!important;}
.gen-material-card{width:100%;display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;align-items:start;text-align:left;padding:13px;border:1px solid #e6dfc9;border-radius:18px;background:#fffefa;color:#33382d;box-shadow:0 8px 22px rgba(92,101,48,.06);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease;pointer-events:auto;}
.gen-material-card:hover{transform:translateY(-1px);border-color:#cbd899;box-shadow:0 14px 30px rgba(92,101,48,.10);}
.gen-material-card.selected{background:#f0f5d9;border-color:#8d9b55;box-shadow:0 16px 34px rgba(125,148,53,.18);}
.gen-check{width:24px;height:24px;border-radius:999px;border:1px solid #cdd3aa;background:#fff;display:flex;align-items:center;justify-content:center;color:transparent;font-size:14px;font-weight:900;margin-top:2px;}
.gen-material-card.selected .gen-check{background:#8d9b55;border-color:#8d9b55;color:#fff;}
.gen-card-main{display:flex;flex-direction:column;gap:7px;min-width:0;}
.gen-card-main strong{font-size:14px;line-height:1.45;color:#33382d;font-weight:850;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.gen-card-main em{font-style:normal;color:#858873;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gen-card-tags{display:flex;flex-wrap:wrap;gap:5px;max-height:48px;overflow:hidden;}
.gen-card-tags span{display:inline-flex;max-width:92px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:3px 8px;border-radius:999px;background:#edf4d8;color:#5f7130;border:1px solid #dce8b8;font-size:11px;font-weight:780;}
.gen-empty-state,.gen-loading-state{padding:28px 18px;border:1px dashed #d8d0b9;border-radius:18px;background:#fffdf6;text-align:center;color:#777a68;}
.gen-empty-state strong{display:block;color:#4d5633;font-size:15px;margin-bottom:8px;}
.gen-empty-state p{margin:0 auto 14px;max-width:260px;line-height:1.7;font-size:13px;}
.gen-empty-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;}
.generate-main{min-height:620px!important;padding:24px!important;}
.gen-method-tabs{display:flex!important;gap:10px!important;margin-bottom:18px!important;padding:6px!important;width:max-content!important;border-radius:16px!important;background:#f6efe3!important;}
.gen-method-tabs .gen-method{box-shadow:none!important;min-height:38px!important;border-radius:12px!important;}
.gen-section{padding:18px;border:1px solid #ede7d7;border-radius:20px;background:#fffefa;margin-bottom:16px!important;}
.gen-section h3{margin-bottom:12px!important;color:#4d5633!important;}
#manualCreateSection{padding:24px!important;}
#generateResult{margin-top:18px;}
.gen-option-card{border-radius:22px!important;background:#fffefa!important;}
.gen-option-content{max-height:360px;overflow:auto;padding:14px;border-radius:16px;background:#faf7eb;border:1px solid #ede7d7;}
.product-hero,.combo-panel,.toast,.modal-overlay{pointer-events:auto;}
@media(max-width:1100px){.generate-layout{grid-template-columns:1fr!important}.generate-sidebar{position:static!important}.gen-material-list{max-height:420px!important}}
@media(max-width:760px){.generate-main,.generate-sidebar{padding:16px!important}.gen-method-tabs{width:100%!important}.gen-method-tabs .gen-method{flex:1!important}.gen-material-list{min-height:320px!important}}

/* === Generate plan quality layout: wider preview and structured plan cards === */
.main-content>.page{width:min(1440px,calc(100% - 44px))!important;}
.generate-layout{grid-template-columns:minmax(300px,34%) minmax(0,66%)!important;gap:24px!important;align-items:start!important;}
.generate-sidebar{padding:18px!important;}
.generate-main{padding:26px!important;min-width:0!important;}
.gen-material-list{max-height:calc(100vh - 286px)!important;}
.gen-material-card{padding:11px!important;border-radius:16px!important;}
.gen-card-main strong{font-size:13px!important;-webkit-line-clamp:2!important;}
.gen-card-tags span{font-size:10.5px!important;padding:2px 7px!important;}
.gen-options{display:grid!important;grid-template-columns:1fr!important;gap:18px!important;margin-top:20px!important;}
.gen-plan-card{background:#fffefa;border:1px solid #e7dfc8;border-radius:24px;padding:20px;box-shadow:0 16px 42px rgba(92,101,48,.10);}
.gen-plan-card header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;padding-bottom:14px;border-bottom:1px solid #eee8d8;margin-bottom:14px;}
.gen-plan-card small{display:block;color:#8b916c;font-weight:850;letter-spacing:.08em;margin-bottom:5px;}
.gen-plan-card h4{margin:0;color:#343b25;font-size:22px;line-height:1.35;font-weight:900;}
.gen-plan-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.gen-plan-meta span{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;background:#edf4d8;color:#5f7130;border:1px solid #dce8b8;font-size:12px;font-weight:850;}
.gen-plan-card section{margin-top:15px;}
.gen-plan-card h5{font-size:13px;color:#657238;margin:0 0 8px;font-weight:900;letter-spacing:.04em;}
.gen-plan-card p{margin:0;color:#4e5344;line-height:1.8;font-size:14px;}
.gen-plan-steps{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.gen-plan-steps li{display:grid;grid-template-columns:128px minmax(0,1fr);gap:12px;padding:12px;border:1px solid #eee8d8;border-radius:16px;background:#fbf8ed;}
.gen-plan-steps b{color:#414b27;font-size:13px;line-height:1.5;}
.gen-plan-steps p{font-size:13.5px;}
.gen-plan-tags,.gen-plan-refs{display:flex;flex-wrap:wrap;gap:8px;}
.gen-plan-tags span,.gen-plan-refs span{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#f3eadf;color:#6d5d4d;border:1px solid #eadacb;font-size:12px;font-weight:800;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gen-plan-reminder{padding:14px 16px;border:1px solid #e7dfc8;border-radius:18px;background:linear-gradient(180deg,#f6f5e9,#fffaf0);}
.gen-plan-reminder p{color:#66694f;}
.gen-option-card{display:none!important;}
@media(max-width:1180px){.generate-layout{grid-template-columns:minmax(280px,36%) minmax(0,64%)!important}.gen-plan-steps li{grid-template-columns:1fr!important}}
@media(max-width:900px){.generate-layout{grid-template-columns:1fr!important}.generate-sidebar{position:static!important}.gen-material-list{max-height:380px!important}.gen-plan-card header{flex-direction:column}.gen-plan-card header .btn{width:100%;justify-content:center}}

/* === Micro lesson generator refactor === */
.auto-recognition-section{background:linear-gradient(180deg,#fffefa,#f8f4e7)!important;border-color:#e5dfc9!important;}
.legacy-type-section{display:none!important;}
.legacy-course-section{display:none!important;}
.auto-course-info{display:grid;gap:12px;}
.auto-info-empty{padding:18px;border:1px dashed #d8d0b9;border-radius:16px;background:#fffdf6;color:#777a68;line-height:1.7;font-size:14px;}
.auto-info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;}
.auto-info-grid div{padding:13px 14px;border:1px solid #e5dfc9;border-radius:16px;background:#fffdf8;box-shadow:0 8px 22px rgba(92,101,48,.05);min-width:0;}
.auto-info-grid span{display:block;color:#8a8d76;font-size:12px;font-weight:800;margin-bottom:6px;}
.auto-info-grid strong{display:block;color:#3d4826;font-size:15px;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.auto-evidence-line{padding:12px 14px;border-radius:16px;background:#eef3d7;border:1px solid #dce8b8;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.auto-evidence-line b{color:#5f7130;font-size:13px;}
.auto-evidence-line em{font-style:normal;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:4px 9px;border-radius:999px;background:#fffefa;color:#5d604f;border:1px solid #e4dec8;font-size:12px;font-weight:760;}
.micro-plan-empty{margin-top:12px!important;}
.micro-plan-card h4{font-size:20px!important;line-height:1.35!important;max-width:720px;}
.micro-plan-card .gen-plan-meta span{background:#eef3d7!important;color:#5f7130!important;border-color:#dce8b8!important;}
.gen-plan-evidence{display:flex;flex-wrap:wrap;gap:8px;}
.gen-plan-evidence span{display:inline-flex;align-items:center;max-width:360px;padding:7px 11px;border-radius:12px;background:#fbf8ed;border:1px solid #e8e2d1;color:#555946;font-size:13px;font-weight:760;line-height:1.45;}
.micro-action-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px;}
.micro-action-grid section{margin-top:0!important;padding:14px;border:1px solid #eee8d8;border-radius:18px;background:#fffdf6;}
.micro-action-list{margin:0;padding:0;list-style:none;display:grid;gap:9px;counter-reset:micro-step;}
.micro-action-list li{counter-increment:micro-step;position:relative;padding:10px 12px 10px 42px;border:1px solid #eee8d8;border-radius:14px;background:#fbf8ed;color:#4e5344;line-height:1.65;font-size:13.5px;}
.micro-action-list li:before{content:counter(micro-step);position:absolute;left:12px;top:12px;width:22px;height:22px;border-radius:999px;background:#8d9b55;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;}
#generateBtn{min-height:48px!important;font-size:16px!important;}
@media(max-width:980px){.auto-info-grid{grid-template-columns:repeat(2,minmax(0,1fr));}.micro-action-grid{grid-template-columns:1fr;}}
@media(max-width:640px){.auto-info-grid{grid-template-columns:1fr;}.auto-evidence-line em{max-width:100%;}.micro-plan-card h4{font-size:18px!important;}}