html,body{width:100%;height:100%}input::-ms-clear,input::-ms-reveal{display:none}*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:rgba(0,0,0,0)}@-ms-viewport{width:device-width}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;border-bottom:0;cursor:help}address{margin-bottom:1em;font-style:normal;line-height:inherit}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-size:1em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75em;padding-bottom:.3em;text-align:left;caption-side:bottom}input,button,select,optgroup,textarea{margin:0;color:inherit;font-size:inherit;font-family:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;margin:0;padding:0;border:0}legend{display:block;width:100%;max-width:100%;margin-bottom:.5em;padding:0;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}mark{padding:.2em;background-color:#feffe6}:root{color:#172033;background:#f6f8fc;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#f6f8fc}.skip-link{position:fixed;top:12px;left:12px;z-index:2000;padding:10px 14px;color:#fff;background:#1d4ed8;border-radius:8px;transform:translateY(-160%);transition:transform .16s ease-out}.skip-link:focus{transform:translateY(0);color:#fff}.app-shell{min-height:100dvh;background:#f6f8fc}.app-sider.ant-layout-sider{position:fixed;inset-block:0;inset-inline-start:0;z-index:30;height:100dvh;overflow:hidden;border-right:1px solid #e5eaf2;background:#fff!important}.app-sider .ant-layout-sider-children{display:flex;flex-direction:column;height:100%;min-height:0}.workspace-layout{min-width:0;margin-inline-start:248px;transition:margin-inline-start .18s ease}.app-shell[data-nav-collapsed=true] .workspace-layout{margin-inline-start:72px}.sider-navigation{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.brand-lockup,.sider-footer{flex:0 0 auto}.nav-backdrop{position:fixed;top:0;right:0;bottom:0;left:248px;z-index:25;padding:0;border:0;background:#0f172a47;cursor:pointer}.brand-lockup{display:flex;align-items:center;min-height:76px;padding:16px 18px;gap:11px;overflow:hidden}.brand-mark{display:grid;flex:0 0 36px;width:36px;height:36px;place-items:center;color:#fff;background:linear-gradient(135deg,#2563eb,#4f46e5);border-radius:11px;box-shadow:0 7px 18px #2563eb38}.brand-copy{min-width:0;line-height:1.2}.brand-name{color:#172033;font-size:15px;font-weight:700;white-space:nowrap}.brand-subtitle{color:#7b879b;font-size:11px;letter-spacing:.04em;white-space:nowrap}.app-nav{padding:2px 10px 12px;border-inline-end:0!important}.app-nav .ant-menu-submenu-title{width:100%;height:44px;margin:6px 0 2px;border-radius:9px;color:#334155;font-weight:650}.app-nav .ant-menu-submenu-title:hover{background:#f2f6ff}.app-nav .ant-menu-submenu-selected>.ant-menu-submenu-title{color:#1d4ed8}.app-nav .ant-menu-sub{background:transparent!important}.app-nav .ant-menu-item{width:100%;height:42px;margin-block:2px;margin-inline:0;border-radius:9px;color:#526176;font-weight:500}.app-nav .ant-menu-item .ant-menu-item-icon{font-size:17px}.app-nav .ant-menu-item-selected{color:#1d4ed8!important;background:#eaf1ff!important;font-weight:650}.app-nav .ant-menu-item:hover{color:#1d4ed8!important;background:#f2f6ff!important}.app-nav .ant-menu-inline-collapsed>.ant-menu-item-group>.ant-menu-item-group-list>.ant-menu-item{padding-inline:calc(50% - 8px)!important}.sider-footer{display:grid;gap:8px;padding:12px 12px 16px;border-top:1px solid #edf1f6;background:#fff}.sider-footer .ant-btn{height:40px;color:#526176;border-color:#e2e8f0;text-align:left}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:76px;padding:0 30px!important;background:#f6f8fceb!important;border-bottom:1px solid rgba(229,234,242,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-context{display:flex;align-items:center;gap:14px;min-width:0}.nav-toggle{width:44px;height:44px;color:#526176;border:0;background:transparent}.page-context{display:flex;flex-direction:column;min-width:0;line-height:1.3}.page-context strong{color:#172033;font-size:16px}.page-context span{color:#7b879b;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:12px}.primary-workflow{height:40px;font-weight:600;box-shadow:0 6px 14px #2563eb2e}.user-trigger{display:inline-flex;align-items:center;min-height:40px;padding:4px 8px 4px 4px;border-radius:10px;cursor:pointer}.user-trigger:hover{background:#eef3fb}.user-name{color:#334155;font-size:13px;font-weight:600}.app-main{padding:26px 30px 36px;background:#f6f8fc}.content-surface{width:100%;max-width:1600px;margin:0 auto}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}.page-heading .ant-typography{margin:0}.page-eyebrow{margin-bottom:6px;color:#2563eb;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.page-description{margin:6px 0 0;color:#64748b}.metric-card,.workspace-card{border-color:#e5eaf2;box-shadow:0 3px 14px #0f172a09}.metric-card .ant-card-body{padding:20px}.metric-card .ant-statistic-title{margin-bottom:10px;color:#64748b;font-weight:500}.metric-card .ant-statistic-content{color:#172033;font-weight:700}.workspace-card .ant-card-head{min-height:60px;border-bottom-color:#edf1f6}.workspace-card .ant-card-head-title{color:#172033;font-weight:650}.quick-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.quick-action-grid .ant-btn{height:46px;justify-content:flex-start;color:#334155;border-color:#e2e8f0}.quick-action-grid .ant-btn:hover{color:#1d4ed8;border-color:#bfdbfe;background:#f5f9ff}.compose-page{max-width:1360px}.compose-workspace-page{max-width:1600px;margin-inline:auto;min-width:0}.compose-method-tabs>.ant-tabs-nav{margin-bottom:24px}.compose-method-tabs>.ant-tabs-nav .ant-tabs-tab{min-height:48px;font-size:16px;font-weight:600}.compose-method-tabs .ant-tabs-content-holder,.compose-method-tabs .ant-tabs-tabpane{min-width:0}.compose-method-tabs .compose-page{max-width:none}.selection-heading.selection-workspace-toolbar{justify-content:flex-end;margin-bottom:16px}@media (max-width: 767px){.compose-method-tabs>.ant-tabs-nav .ant-tabs-tab{margin-inline:0;padding-inline:10px;font-size:14px}.compose-method-tabs>.ant-tabs-nav .ant-tabs-nav-list{flex-wrap:wrap;transform:none!important}.compose-method-tabs>.ant-tabs-nav .ant-tabs-nav-operations{display:none}.compose-method-tabs>.ant-tabs-nav .ant-tabs-ink-bar{display:none}.compose-method-tabs>.ant-tabs-nav .ant-tabs-tab-active{box-shadow:inset 0 -3px #2563eb}.compose-method-tabs .compose-workspace-card>.ant-card-body{padding:16px}.compose-spec-panel .ant-space-item{max-width:100%}}.compose-draft-tag{display:inline-flex;align-items:center;min-height:32px;padding-inline:12px;border-radius:999px;font-weight:600}.compose-steps-card{margin-bottom:20px;border:1px solid #e5eaf2;box-shadow:0 3px 14px #0f172a09}.compose-steps-card .ant-card-body{padding:22px 28px}.compose-workspace-card,.compose-preview-card{border-color:#e5eaf2;box-shadow:0 3px 14px #0f172a09}.compose-workspace-card .ant-card-head,.compose-preview-card .ant-card-head{min-height:64px;border-bottom-color:#edf1f6}.compose-workspace-card .ant-card-head-title,.compose-preview-card .ant-card-head-title{color:#172033;font-size:16px;font-weight:650}.compose-prompt-panel,.compose-spec-panel{max-width:980px}.compose-panel-intro{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px}.compose-panel-intro>.anticon{display:grid;flex:0 0 38px;width:38px;height:38px;place-items:center;color:#1d4ed8;background:#eaf1ff;border-radius:10px;font-size:18px}.compose-panel-intro .ant-typography{margin:4px 0 0}.compose-prompt-panel .ant-input{padding:14px 16px;border-radius:12px;font-size:15px;line-height:1.65}.compose-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.compose-suggestions .ant-btn{height:auto;min-height:32px;white-space:normal;color:#475569;border-color:#e2e8f0;text-align:left}.compose-action-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px}.compose-action-row .ant-btn{min-height:44px;padding-inline:20px;font-weight:650}.compose-guided-layout{align-items:stretch}.compose-summary-panel{position:sticky;top:100px;height:fit-content;padding:20px;background:#f8faff;border:1px solid #dbeafe;border-radius:14px}.compose-summary-panel dl{display:grid;grid-template-columns:72px 1fr;gap:12px 8px;margin:16px 0;font-size:13px}.compose-summary-panel dt{color:#64748b}.compose-summary-panel dd{min-width:0;margin:0;color:#1e293b;font-weight:600;overflow-wrap:anywhere}.compose-summary-panel .ant-alert{margin:18px 0}.compose-summary-panel .ant-btn{min-height:44px;font-weight:650}.compose-loading-alert{margin-top:22px}.compose-result-area{display:grid;gap:20px}.compose-result-summary{border:1px solid #cfe0ff;background:linear-gradient(120deg,#f7fbff,#fff);box-shadow:0 5px 20px #2563eb12}.compose-result-summary .ant-card-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,1.5fr);gap:24px;align-items:center}.compose-result-summary .ant-typography{margin:0}.compose-result-summary .ant-alert,.compose-result-actions{grid-column:1 / -1}.compose-result-stats .ant-statistic{padding-left:18px;border-left:1px solid #dbe5f2}.compose-result-stats .ant-statistic-title{color:#64748b}.compose-result-stats .ant-statistic-content{color:#172033;font-size:25px;font-weight:700}.compose-result-actions{display:flex;justify-content:flex-end}.compose-result-actions .ant-btn{min-height:40px}.compose-preview-card .ant-card-body{padding:0;overflow:hidden}.compose-preview-card .ant-card-body>div{max-width:920px;margin:0 auto}.constraint-form .ant-form-item{margin-bottom:18px}.constraint-form .ant-form-item-label>label{color:#334155;font-weight:600}.constraint-distribution-alert{margin:-2px 0 16px}@media (max-width: 991px){.compose-summary-panel{position:static}.compose-result-summary .ant-card-body{grid-template-columns:1fr}}:focus-visible{outline:3px solid rgba(37,99,235,.4);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@media (max-width: 767px){.app-header{min-height:64px;padding:0 14px!important}.app-main{padding:20px 14px 28px}.page-context span,.user-name,.primary-workflow span{display:none}.primary-workflow{width:40px;padding-inline:0}.quick-action-grid{grid-template-columns:1fr}.page-heading{margin-bottom:18px}.compose-steps-card .ant-card-body{padding:16px}.compose-steps-card .ant-steps-item-description{display:none}.compose-action-row{align-items:stretch;flex-direction:column}.compose-action-row .ant-btn{width:100%}.compose-result-summary .ant-card-body{padding:18px}.compose-result-stats .ant-statistic{padding-left:12px}}.question-bank-page{max-width:1540px;margin:0 auto}.question-bank-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:20px}.question-bank-hero .ant-typography{margin:0}.question-bank-hero h2.ant-typography{color:#172033;font-size:28px;letter-spacing:-.025em}.question-bank-hero .ant-typography-secondary{display:block;max-width:680px;margin-top:7px;color:#64748b}.question-bank-hero-actions{padding-top:12px}.question-bank-hero-actions .ant-btn{min-height:40px;font-weight:600}.question-bank-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:14px}.question-bank-metrics .ant-card{border:1px solid #e4eaf3;border-radius:12px;box-shadow:0 2px 10px #0f172a06}.question-bank-metrics .ant-card-body{padding:17px 19px}.question-bank-metrics .ant-statistic-title{color:#64748b;font-size:13px}.question-bank-metrics .ant-statistic-content{color:#172033;font-size:24px;font-weight:700}.question-bank-scope{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;margin-bottom:18px;padding:10px 14px 10px 16px;background:linear-gradient(100deg,#eff6ff,#f8fbff);border:1px solid #dbeafe;border-radius:11px}.scope-copy{display:flex;align-items:baseline;gap:10px;min-width:0}.scope-copy .ant-typography-secondary{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.question-bank-workspace{display:grid;grid-template-columns:248px minmax(0,1fr) 278px;gap:18px;align-items:start}.question-filter-card,.question-search-card,.question-basket-card{border:1px solid #e4eaf3;border-radius:13px;box-shadow:0 3px 14px #0f172a09}.question-filter-card{position:sticky;top:98px}.question-filter-card .ant-card-body{padding:17px}.question-filter-title{display:flex;align-items:center;gap:8px;color:#25334a;font-weight:700}.question-filter-title .anticon{color:#2563eb}.question-filter-group{display:grid;gap:9px;margin-top:18px}.question-filter-group>label{color:#526176;font-size:12px;font-weight:700}.question-filter-group .ant-select{width:100%}.question-filter-group .ant-select-selector{min-height:36px!important}.question-filter-card .ant-divider{margin:17px 0 0}.knowledge-filter{margin-top:8px}.knowledge-filter .ant-collapse-header{padding-inline:0!important;color:#526176!important;font-size:12px;font-weight:700}.knowledge-filter .ant-collapse-content-box{padding:8px 0 0!important}.question-search-card .ant-card-body{padding:16px}.question-search-card .ant-input{min-height:44px}.question-search-card .ant-input-search-button{min-width:100px;height:44px;font-weight:650}.question-search-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.question-sort{width:150px}.question-result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 2px 12px;font-size:13px}.question-card-list{display:grid;gap:12px}.question-card{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:10px;padding:17px 16px;background:#fff;border:1px solid #e4eaf3;border-radius:12px;box-shadow:0 2px 9px #0f172a05;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.question-card:hover{border-color:#bfdbfe;box-shadow:0 7px 20px #2563eb12;transform:translateY(-1px)}.question-card.is-selected{background:#fbfdff;border-color:#60a5fa;box-shadow:0 4px 18px #2563eb1a}.question-card-index{display:grid;width:26px;height:26px;place-items:center;color:#64748b;background:#f1f5f9;border-radius:7px;font-size:12px;font-weight:700}.question-card-body{min-width:0}.question-card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px}.question-card-tags .ant-tag{margin-inline-end:0;font-size:12px}.question-card-content{max-height:74px;overflow:hidden;color:#172033;font-size:14px;line-height:1.75}.question-card-content img{max-height:64px;max-width:150px;vertical-align:middle}.question-card-meta,.question-card-knowledge{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;color:#78869a;font-size:12px}.question-card-meta>span+span:before{display:inline-block;margin-right:8px;color:#cbd5e1;content:"·"}.question-card-meta .question-quality{color:#2563eb;font-weight:650}.question-card-knowledge .ant-tag{margin-inline-end:0;color:#526176;background:#f8fafc;border-color:#e2e8f0}.question-quality-progress{width:150px;margin-top:9px}.question-card-actions{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:4px;min-width:112px}.question-card-actions .ant-btn{font-size:12px}.question-pagination{display:flex;justify-content:flex-end;margin-top:18px}.question-basket-card{position:sticky;top:98px;overflow:hidden}.question-basket-card .ant-card-head{min-height:56px;border-bottom-color:#edf1f6}.question-basket-card .ant-card-head-title{color:#25334a;font-weight:700}.question-basket-card .ant-card-body{padding:16px}.basket-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}.basket-summary>div{padding:10px;background:#f8fafc;border-radius:9px}.basket-summary .ant-typography-secondary{display:block;font-size:12px}.basket-summary strong{display:block;margin-top:2px;color:#172033;font-size:17px}.basket-list{display:grid;gap:5px;max-height:298px;overflow:auto}.basket-item{display:grid;grid-template-columns:20px minmax(0,1fr) 28px;align-items:center;gap:7px;padding:6px 2px}.basket-item>span{color:#94a3b8;font-size:12px;font-weight:700}.basket-item .ant-typography{display:block;color:#334155;font-size:12px}.basket-item small{display:block;margin-top:2px;color:#94a3b8;font-size:11px}.basket-note{margin:13px 0 10px;padding:9px;color:#9a6700;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;font-size:12px;line-height:1.5}.question-basket-card>.ant-card-body>.ant-btn-primary{min-height:42px;font-weight:650}@media (max-width:1280px){.question-bank-workspace{grid-template-columns:228px minmax(0,1fr)}.question-basket{grid-column:2}.question-basket-card{position:static}}@media (max-width:880px){.question-bank-hero,.question-bank-scope{align-items:stretch;flex-direction:column}.question-bank-hero-actions{padding-top:0}.question-bank-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.question-bank-workspace{grid-template-columns:1fr}.question-filter-card{position:static}.question-basket{grid-column:auto}.question-search-bottom,.question-result-heading{align-items:flex-start;flex-direction:column}.question-sort{width:100%}}@media (max-width:560px){.question-bank-metrics{gap:9px}.question-bank-metrics .ant-card-body{padding:13px}.question-bank-metrics .ant-statistic-content{font-size:20px}.scope-copy{align-items:flex-start;flex-direction:column;gap:2px}.question-card{grid-template-columns:28px minmax(0,1fr);padding:13px}.question-card-actions{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:flex-end;border-top:1px solid #edf1f6;padding-top:8px}.question-card-actions .ant-btn{padding-inline:7px}.question-pagination{justify-content:center;overflow:auto}}.knowledge-filter-hint{display:block;margin:0 0 9px;color:#64748b;font-size:12px;line-height:1.5}.question-bank-scope .ant-tag{margin-inline:0;white-space:nowrap}.header-actions{min-width:0}.teaching-scope-trigger{max-width:min(44vw,620px);overflow:hidden;text-overflow:ellipsis}.teaching-scope-trigger>span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-context strong{white-space:nowrap}@media (max-width:767px){.header-context{flex:0 0 40px;gap:0}.page-context{display:none}.header-actions{flex:1;justify-content:flex-end;gap:4px}.teaching-scope-trigger{max-width:calc(100vw - 240px);padding-inline:4px!important}.user-trigger .ant-tag{display:none}}@media (max-width:480px){.header-actions .primary-workflow{display:none}.teaching-scope-trigger{max-width:calc(100vw - 196px)}}@media (max-width: 991px){.app-shell .workspace-layout{margin-inline-start:72px}.app-shell[data-nav-collapsed=false] .app-sider{box-shadow:12px 0 32px #0f172a24}}
