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var(--line);border-radius:8px;width:100%;margin-top:8px;padding:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.sm-import__err{color:var(--err);background:var(--err-bg);border-radius:6px;margin-top:8px;padding:6px 10px;font-size:13px}.sm-import__result{margin-top:10px;font-size:13px}.sm-import__result ul{margin:6px 0;padding-left:18px}.sm-import__warn{color:var(--warn)}.sm-import__actions{gap:10px;margin-top:14px;display:flex}.sm-settings__form fieldset{border:1px solid var(--line);border-radius:10px;margin-bottom:14px;padding:12px 16px}.sm-settings__form legend{color:var(--muted);padding:0 6px;font-size:13px}.sm-settings__form label{align-items:center;gap:8px;padding:3px 0;font-size:14px;display:flex}.sm-settings__per{justify-content:space-between;max-width:320px}.sm-settings__per select{border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:13px}.sm-settings__actions{align-items:center;gap:12px;display:flex}.sm-settings__ok{color:var(--ok);font-size:13px}.sm-wizard{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;margin-top:12px;display:grid}@media (max-width:800px){.sm-wizard{grid-template-columns:1fr}}.sm-wizard__field{align-items:center;gap:10px;margin-bottom:10px;font-size:14px;display:flex}.sm-wizard__field>span{min-width:3em;color:var(--muted)}.sm-wizard__field input,.sm-wizard__field select{border:1px solid var(--line);border-radius:8px;padding:5px 8px;font-size:13px}.sm-wizard fieldset{border:1px solid var(--line);border-radius:10px;flex-wrap:wrap;gap:10px;margin:10px 0;padding:8px 12px;display:flex}.sm-wizard fieldset legend{color:var(--muted);padding:0 4px;font-size:12px}.sm-wizard fieldset label{align-items:center;gap:4px;font-size:13px;display:flex}.sm-wizard__actions{gap:10px;margin-top:12px;display:flex}.sm-wizard__actions button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:6px 16px;font-size:13px}.sm-wizard__actions button:disabled{opacity:.5;cursor:default}.sm-wizard__preview{border-left:1px solid var(--line);padding-left:20px}@media (max-width:800px){.sm-wizard__preview{border-left:none;border-top:1px solid var(--line);padding-top:16px;padding-left:0}}.sm-wizard__stat{font-size:14px}.sm-wizard__dist{flex-wrap:wrap;gap:5px;margin:8px 0;display:flex}.sm-wizard__items{color:#475569;margin:8px 0;padding-left:20px;font-size:12px}.sm-wizard__items code{color:var(--muted);font-size:11px}.sm-paperrow{color:inherit;align-items:center;gap:10px;padding:10px 14px;font-size:14px;text-decoration:none;display:flex}.sm-paperrow:hover{background:#fafafa}.sm-paperrow__title{flex:1;font-weight:600}.sm-paperrow__count{color:var(--muted);font-size:13px}.sm-paper-detail__meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px;font-size:13px;display:flex}.sm-paper-items{flex-direction:column;gap:8px;margin:14px 0;padding:0;list-style:none;display:flex}.sm-paper-items__pos{color:var(--muted);min-width:1.6em;font-weight:700}.sm-item-ctl{gap:4px;margin-left:auto;display:flex}.sm-item-ctl button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;width:24px;height:24px;font-size:12px}.sm-item-ctl button:disabled{opacity:.35;cursor:default}.sm-paper-mode{align-items:center;gap:4px;font-size:13px;display:inline-flex}.sm-paper-mode select{border:1px solid var(--line);border-radius:6px;padding:3px 6px;font-size:12px}.sm-student-shell{min-height:100dvh}.sm-student__bar{padding:max(12px, env(safe-area-inset-top)) 18px 12px;border-bottom:1px solid var(--line);z-index:5;background:#fff;align-items:center;gap:14px;display:flex;position:sticky;top:0}.sm-tabbar{z-index:20;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);background:#fff;display:flex;position:fixed;bottom:0;left:0;right:0}.sm-tabbar a{color:var(--muted);flex-direction:column;flex:1;align-items:center;gap:2px;padding:8px 0 10px;font-size:11px;text-decoration:none;display:flex}.sm-tabbar a.is-active{color:var(--accent)}.sm-tabbar__icon{font-size:18px;line-height:1}.sm-student__brand{color:var(--foreground);font-weight:700;text-decoration:none}.sm-student__code-badge{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.sm-student__main{max-width:720px;padding:20px 20px calc(80px + env(safe-area-inset-bottom));margin:0 auto}.sm-student__main h1{font-size:20px}.sm-student__code{gap:8px;margin:12px 0 20px;display:flex}.sm-student__code input{border:1px solid var(--line);border-radius:8px;flex:1;padding:7px 10px;font-size:13px}.sm-student__code button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:7px 16px}.sm-student__group h2{color:var(--muted);margin:18px 0 8px;font-size:14px}.sm-student__group ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.sm-student__group li a{border:1px solid var(--line);color:inherit;background:#fff;border-radius:10px;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;text-decoration:none;display:flex}.sm-student__group li a:hover{border-color:var(--accent)}.sm-student__paper-title{font-weight:600}.sm-student__paper-meta{color:var(--muted);font-size:12px}.sm-runner__head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.sm-runner__head h1{font-size:18px}.sm-runner__progress{color:var(--muted);font-size:13px}.sm-runner__q{border:1px solid var(--line);background:#fff;border-radius:12px;margin:12px 0;padding:18px}.sm-runner__opts{flex-direction:column;gap:8px;margin:12px 0;display:flex}.sm-runner__opts label{border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:center;gap:8px;padding:8px 12px;display:flex}.sm-runner__opts label.is-correct{background:var(--ok-bg);border-color:#bbf7d0}.sm-runner__parts{flex-direction:column;gap:10px;margin:12px 0;display:flex}.sm-runner__parts label{align-items:center;gap:10px;display:flex}.sm-runner__parts label>span:first-child{min-width:4em;color:var(--muted)}.sm-runner__parts input,.sm-runner__single{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:15px}.sm-runner__single{width:100%;margin:12px 0;display:block}.sm-runner__mark.ok{color:var(--ok)}.sm-runner__mark.bad{color:var(--err)}.sm-runner__submit{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:7px 20px;font-size:14px}.sm-runner__result{align-items:center;gap:14px;margin-top:14px;display:flex}.sm-runner__badge{font-weight:700}.sm-runner__badge.ok{color:var(--ok)}.sm-runner__badge.bad{color:var(--err)}.sm-qpreview__analysis-btn{color:var(--accent);cursor:pointer;background:0 0;border:none;font-size:13px}.sm-runner__analysis{border:1px solid var(--line);background:#fcfcfd;border-radius:8px;margin-top:12px;padding:10px 12px;font-size:14px}.sm-runner__nav{gap:10px;display:flex}.sm-runner__nav button{border:1px solid var(--line);cursor:pointer;background:#fafafa;border-radius:8px;padding:7px 18px;font-size:14px}.sm-runner__nav button:disabled{opacity:.4;cursor:default}.sm-runner--done{text-align:center;padding:30px 0}.sm-runner__score{margin:16px 0}.sm-runner__pct{color:var(--accent);font-size:44px;font-weight:800}.sm-runner--done .sm-runner__nav{justify-content:center;margin-top:20px}.sm-runner__nav button.sm-runner__submit-final{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:8px 28px;font-size:15px;font-weight:600}.sm-runner__nav button.sm-runner__submit-final:hover{filter:brightness(.95)}.sm-runner__done-back{border:1px solid var(--line);color:var(--accent);border-radius:8px;padding:8px 18px;font-size:14px;text-decoration:none}.sm-result__list{text-align:left;margin:20px 0;padding:0;list-style:none}.sm-result__list li{border:1px solid var(--line);border-left:3px solid var(--line);border-radius:8px;margin:8px 0;padding:10px 12px}.sm-result__list li.is-ok{border-left-color:var(--ok)}.sm-result__list li.is-bad{border-left-color:var(--err)}.sm-result__row{align-items:center;gap:10px;font-size:14px;display:flex}.sm-result__no{font-weight:600}.sm-result__mark{font-weight:700}.sm-result__list li.is-ok .sm-result__mark{color:var(--ok)}.sm-result__list li.is-bad .sm-result__mark{color:var(--err)}.sm-result__jump{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:12px}.sm-result__cmp{color:var(--muted);margin:6px 0;font-size:13px;line-height:1.7}.sm-qform{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;margin-top:12px;display:grid}@media (max-width:900px){.sm-qform{grid-template-columns:1fr}}.sm-qform__row{flex-wrap:wrap;gap:12px;margin-bottom:10px;display:flex}.sm-qform__row>label,.sm-qform__block{flex-direction:column;gap:4px;font-size:13px;display:flex}.sm-qform__row>label>span,.sm-qform__block>span{color:var(--muted);font-size:12px}.sm-qform__block{margin-bottom:12px}.sm-qform input,.sm-qform select,.sm-qform textarea{border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-family:inherit;font-size:13px}.sm-qform textarea{resize:vertical}.sm-qform__row>label{flex:1;min-width:120px}.sm-qform__more summary{cursor:pointer;color:var(--muted);margin:6px 0;font-size:12px}.sm-qform__actions{align-items:center;gap:12px;margin-top:14px;display:flex}.sm-qform__actions>button:first-child{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:7px 20px;font-size:14px}.sm-qform__actions>button:first-child:disabled{opacity:.5}.sm-qform__actions .sm-runner__nav{padding:7px 16px;display:inline}.sm-qform__preview{border-left:1px solid var(--line);align-self:start;max-height:calc(100vh - 90px);padding-left:20px;position:sticky;top:70px;overflow:auto}@media (max-width:900px){.sm-qform__preview{border-left:none;border-top:1px solid var(--line);padding-top:16px;padding-left:0;position:static}}.sm-qform__preview-label{color:var(--muted);margin-bottom:8px;font-size:12px}.sm-opts-editor__row,.sm-parts-editor__row{align-items:center;gap:6px;margin:4px 0;display:flex}.sm-opts-editor__row input{flex:1}.sm-opts-editor__row button,.sm-parts-editor__row>button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:3px 8px;font-size:12px}.sm-opts-editor__add{border:1px dashed var(--line);cursor:pointer;background:#fafafa;border-radius:6px;margin-top:4px;padding:4px 10px;font-size:12px}.sm-parts-editor__row{border:1px solid var(--line);border-radius:8px;flex-direction:column;align-items:stretch;padding:8px}.sm-parts-editor__grid{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.sm-parts-editor__grid label{flex-direction:column;gap:2px;font-size:11px;display:flex}.sm-parts-editor__grid label>span{color:var(--muted)}.sm-parts-editor__wide{grid-column:1/-1}.sm-diagram-editor__kinds{gap:12px;margin-bottom:6px;font-size:13px;display:flex}.sm-diagram-editor textarea{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.sm-taginput{position:relative}.sm-taginput__chips{flex-wrap:wrap;gap:4px;margin-bottom:4px;display:flex}.sm-taginput__chips .sm-tag button{cursor:pointer;color:var(--chip-ink);background:0 0;border:none;margin-left:3px}.sm-taginput input{width:100%}.sm-taginput__menu{z-index:5;border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;max-height:200px;margin-top:2px;position:absolute;overflow:auto}.sm-taginput__menu button{text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:5px 10px;font-size:13px;display:block}.sm-taginput__menu button:hover{background:#f1f5f9}.sm-qactions__link{color:var(--accent);border:1px solid var(--line);border-radius:8px;padding:5px 12px;font-size:13px;text-decoration:none}.sm-review-make{flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;display:flex}.sm-review-make select,.sm-review-make input{border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:13px}.sm-review-make input{width:4em}.sm-review-make button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:8px;padding:5px 12px;font-size:13px}.sm-review-make button:last-of-type{color:inherit;border-color:var(--line);background:#fafafa}.sm-tpl-list{margin:12px 0 20px}.sm-tpl-list h2{color:var(--muted);margin:0 0 8px;font-size:14px}.sm-tpl-list ul{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.sm-tpl-list li{border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;display:flex}.sm-tpl-list__name{font-weight:600}.sm-tpl-list__meta{color:var(--muted);flex:1}.sm-tpl-list li button{border:1px solid var(--line);cursor:pointer;background:#fafafa;border-radius:6px;padding:4px 10px;font-size:12px}.sm-student__review{background:var(--warn-bg);color:var(--warn);border:1px solid #fde68a;border-radius:10px;margin:-8px 0 20px;padding:10px 14px;font-size:14px;font-weight:600;text-decoration:none;display:block}.sm-tree-wrap{border:1px solid var(--line);border-radius:8px;width:100%;max-height:340px;padding:8px 10px;font-size:13px;overflow:auto}.sm-tree,.sm-tree ul{margin:0;padding-left:14px;list-style:none}.sm-tree>li,.sm-tree ul>li{margin:2px 0}.sm-tree details>summary{cursor:pointer;list-style:none}.sm-tree details>summary::-webkit-details-marker{display:none}.sm-tree details>summary:before{content:"▸";color:var(--muted);margin-right:4px}.sm-tree details[open]>summary:before{content:"▾"}.sm-tree label,.sm-tree__leaf{align-items:center;gap:5px;display:inline-flex}.sm-tree__count{color:var(--muted);background:#f1f5f9;border-radius:999px;padding:0 5px;font-size:11px}.sm-tree__chips{flex-wrap:wrap;gap:4px;margin-bottom:6px;display:flex}.sm-tree__chips .sm-tag button{cursor:pointer;color:var(--chip-ink);background:0 0;border:none;margin-left:3px}.sm-lessons__tree{font-size:14px}.sm-lessons__node{border-bottom:1px solid var(--line);padding:8px 0}.sm-lessons__node-head{align-items:center;gap:8px;display:flex}.sm-lessons__path{color:var(--muted);font-size:12px}.sm-lessons__items{flex-direction:column;gap:4px;margin:6px 0 0 16px;padding:0;list-style:none;display:flex}.sm-lessons__items li{align-items:center;gap:8px;font-size:13px;display:flex}.sm-lesson-body{font-size:15px;line-height:1.8}.sm-lesson-body h2{margin:18px 0 8px;font-size:17px}.sm-lesson-body h3{margin:14px 0 6px;font-size:15px}.sm-lesson-body p{margin:8px 0}.sm-lesson-body ul{margin:8px 0;padding-left:22px}.sm-lesson-editor{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;display:grid}@media (max-width:800px){.sm-lesson-editor{grid-template-columns:1fr}}.sm-lesson-editor textarea{border:1px solid var(--line);border-radius:8px;width:100%;min-height:260px;padding:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.sm-lesson-editor__preview{border-left:1px solid var(--line);padding-left:16px}.sm-learn__subjects{gap:10px;margin:10px 0;display:flex}.sm-learn__subjects a{border:1px solid var(--line);color:inherit;border-radius:8px;padding:5px 12px;font-size:13px;text-decoration:none}.sm-learn__subjects a.is-active{border-color:var(--accent);color:var(--accent)}.sm-student__learn{border:1px solid var(--line);color:var(--accent);border-radius:10px;margin:0 0 20px;padding:10px 14px;font-size:14px;font-weight:600;text-decoration:none;display:block}.sm-bulkbar{border:1px solid var(--line);background:#f8fafc;border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0 12px;padding:8px 12px;font-size:13px;display:flex}.sm-bulkbar button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;padding:4px 12px;font-size:13px}.sm-bulkbar button:first-of-type{border-color:var(--accent);background:var(--accent);color:#fff}.sm-bulkbar__msg{color:var(--ok)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}