/* 机构管理 / 教师中心：主设计 2 的统一数据工作台（2026-10-28） */
.staff-hub{--staff-blue:#38a8f0;--staff-orange:#f59e0b;--staff-green:#2fd6a0;--staff-red:#fb7185;padding-bottom:28px;color:var(--text)}
.staff-hub *{box-sizing:border-box}
.staff-hero{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 22px;margin-bottom:14px;border:1px solid rgba(124,92,240,.34);border-radius:20px;background:linear-gradient(120deg,rgba(124,92,240,.20),rgba(56,168,240,.10) 58%,rgba(20,26,58,.72));box-shadow:0 12px 30px rgba(0,0,0,.16)}
.staff-hero::after{content:"";position:absolute;right:-50px;top:-85px;width:220px;height:220px;border-radius:50%;background:rgba(56,168,240,.10);pointer-events:none}
.staff-hero-main,.staff-actions{position:relative;z-index:1}
.staff-hero-main{min-width:240px;flex:1}
.staff-eyebrow{display:inline-flex;align-items:center;gap:6px;margin-bottom:5px;color:#b9c8ff;font-size:11px;font-weight:700;letter-spacing:.12em}
.staff-hero h2{margin:0 0 4px;color:var(--text);font-size:23px;line-height:1.3}
.staff-hero p{margin:0;color:var(--muted);font-size:12.5px}
.staff-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.staff-hub .btn,.staff-hub button,.staff-hub .btn-mini{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:34px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel2);color:var(--text);font:inherit;font-size:12.5px;font-weight:650;line-height:1.2;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .15s,border-color .15s,background .15s,box-shadow .15s}
.staff-hub .btn:hover,.staff-hub button:hover,.staff-hub .btn-mini:hover{border-color:var(--staff-blue);background:rgba(56,168,240,.13);color:var(--text);transform:translateY(-1px)}
.staff-hub .btn.primary,.staff-hub button.primary{border-color:transparent;background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 6px 16px rgba(124,92,240,.22)}
.staff-hub .btn.primary:hover,.staff-hub button.primary:hover{color:#fff;filter:brightness(1.08);box-shadow:0 8px 20px rgba(124,92,240,.32)}
.staff-hub .btn.ghost,.staff-hub button.ghost{background:transparent;color:var(--muted)}
.staff-hub .btn-mini,.staff-hub button.mini{min-height:29px;padding:5px 11px;font-size:12px}
.staff-hub button.danger-del{border-color:rgba(251,113,133,.55);color:#fb7185;background:transparent}
.staff-hub button:focus-visible,.staff-hub a:focus-visible,.staff-fold summary:focus-visible{outline:2px solid var(--staff-blue);outline-offset:3px}
.staff-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.staff-kpi{position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;min-height:92px;padding:15px 16px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.015)),var(--panel);box-shadow:0 6px 18px rgba(0,0,0,.10)}
.staff-kpi::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 4px 4px 0;background:var(--kc,var(--brand1))}
.staff-kpi-icon{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:color-mix(in srgb,var(--kc,var(--brand1)) 16%,transparent);font-size:21px}
.staff-kpi b{display:block;color:var(--text);font-size:26px;line-height:1.15;font-variant-numeric:tabular-nums}
.staff-kpi span{display:block;margin-top:5px;color:var(--muted);font-size:12px}
.staff-dashboard{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.75fr);gap:14px;margin-bottom:14px}
.staff-panel{min-width:0;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:0 6px 18px rgba(0,0,0,.10)}
.staff-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:13px}
.staff-panel-head h3{margin:0;color:var(--text);font-size:15px}
.staff-panel-head p{margin:3px 0 0;color:var(--muted);font-size:11.5px}
.staff-panel-link{flex:none;color:var(--staff-blue);font-size:12px;text-decoration:none}
.staff-panel-link:hover{text-decoration:underline}
.staff-anchor-nav{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 14px;padding:7px;border:1px solid var(--line);border-radius:15px;background:rgba(20,26,58,.72)}
.staff-anchor-nav button{min-height:30px;padding:5px 13px;border-color:transparent;background:transparent;color:var(--muted)}
.staff-anchor-nav button:hover{background:rgba(124,92,240,.16);color:var(--text)}
.teacher-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;padding:6px}
.teacher-tabs button{min-height:36px;border:1px solid transparent;border-radius:11px;font-weight:700}
.teacher-tabs button.on{border-color:rgba(124,92,240,.48);background:linear-gradient(135deg,rgba(124,92,240,.30),rgba(56,168,240,.15));color:#fff;box-shadow:inset 0 0 0 1px rgba(124,92,240,.10)}
.teacher-tabs button:disabled{opacity:.42;cursor:not-allowed;transform:none}
.teacher-tab-panel[hidden],[data-tw-panel][hidden]{display:none!important}
.teacher-overview-classes{margin:0 0 14px}
.staff-bars{display:grid;gap:12px}
.staff-bar-row{display:grid;grid-template-columns:minmax(86px,140px) minmax(90px,1fr) auto;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.staff-bar-row:hover .staff-bar-name{color:var(--staff-blue)}
.staff-bar-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;font-weight:650}
.staff-bar-track{height:10px;overflow:hidden;border-radius:999px;background:var(--panel2);box-shadow:inset 0 0 0 1px var(--line)}
.staff-bar-fill{display:block;height:100%;min-width:3px;border-radius:inherit;background:linear-gradient(90deg,var(--brand1),var(--staff-blue));box-shadow:0 0 12px rgba(56,168,240,.24)}
.staff-bar-meta{min-width:70px;color:var(--muted);font-size:11.5px;text-align:right;font-variant-numeric:tabular-nums}
.staff-chart-note{margin:12px 0 0;color:var(--muted);font-size:11px}
.staff-donut-wrap{display:flex;align-items:center;justify-content:center;gap:20px;min-height:136px;flex-wrap:wrap}
.staff-donut{--pct:0;position:relative;display:grid;place-items:center;flex:0 0 124px;width:124px;height:124px;border-radius:50%;background:conic-gradient(var(--staff-green) calc(var(--pct)*1%),var(--panel2) 0)}
.staff-donut::before{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--panel);box-shadow:0 0 0 1px var(--line)}
.staff-donut-center{position:relative;z-index:1;text-align:center}
.staff-donut-center b,.staff-donut-center span{display:block}
.staff-donut-center b{font-size:25px;line-height:1.1}
.staff-donut-center span{margin-top:4px;color:var(--muted);font-size:10px}
.staff-legend{display:grid;gap:8px;min-width:120px}
.staff-legend-row{display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--muted);font-size:12px}
.staff-legend-row b{color:var(--text);font-variant-numeric:tabular-nums}
.staff-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--staff-green)}
.staff-dot.rest{background:var(--panel2);box-shadow:0 0 0 1px var(--line)}
.staff-section{margin-top:14px}
.staff-class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;max-height:330px;overflow:auto;padding:2px 4px 2px 2px}
.staff-class-card{position:relative;display:block;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);color:var(--text);text-decoration:none;transition:transform .15s,border-color .15s,background .15s}
.staff-class-card:hover{transform:translateY(-2px);border-color:var(--staff-blue);background:rgba(56,168,240,.07)}
.staff-class-card.on{border-color:var(--brand1);background:linear-gradient(135deg,rgba(124,92,240,.17),rgba(56,168,240,.07));box-shadow:inset 0 0 0 1px rgba(124,92,240,.22)}
.staff-class-card.on::after{content:"当前班";position:absolute;right:10px;top:10px;padding:1px 7px;border-radius:999px;background:rgba(124,92,240,.22);color:#cbbdff;font-size:10px}
.staff-class-title{padding-right:48px;font-size:14px;font-weight:750;line-height:1.35}
.staff-class-meta{margin-top:6px;color:var(--muted);font-size:11.5px;line-height:1.65}
.staff-class-activity{margin-top:8px;color:var(--staff-blue);font-size:11.5px}
.staff-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:13px}
.staff-table-wrap table{margin:0;min-width:760px;background:transparent}
.staff-table-wrap th{padding:10px 12px;background:rgba(255,255,255,.035);color:var(--muted);font-size:11.5px;white-space:nowrap}
.staff-table-wrap td{padding:10px 12px;border-color:var(--line);vertical-align:middle}
.staff-table-wrap tr:last-child td{border-bottom:0}
.staff-table-wrap .progressbar{min-width:90px;height:7px}
.staff-mastery{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:15px 18px}
.staff-mastery-item{padding:12px 13px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025)}
.staff-mastery-top{display:flex;align-items:baseline;gap:7px;margin-bottom:8px}
.staff-mastery-top b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px}
.staff-mastery-top span{flex:none;color:var(--muted);font-size:11px}
.staff-mastery-rate{display:block;margin-top:5px;font-size:11.5px;font-weight:700}
.staff-empty{margin:0;padding:18px 12px;border:1px dashed var(--line);border-radius:12px;color:var(--muted);font-size:12px;text-align:center}
.staff-link-section{margin-top:16px}
.staff-link-section>h3{display:flex;align-items:center;gap:8px;margin:0 0 9px;color:var(--text);font-size:14px}
.staff-link-section>h3::before{content:"";width:4px;height:15px;border-radius:4px;background:linear-gradient(var(--brand1),var(--staff-blue))}
.staff-link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.staff-link-grid .card.tool{display:flex;align-items:center;min-width:0;min-height:88px;margin:0;padding:13px 15px;border-radius:15px;background:var(--panel);box-shadow:none}
.staff-link-grid .card.tool:hover{transform:translateY(-2px);border-color:var(--brand1);box-shadow:0 8px 18px rgba(0,0,0,.14)}
.staff-link-grid .card.tool .ic{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;margin-right:12px;border-radius:12px;background:rgba(124,92,240,.14);font-size:22px}
.staff-link-grid .card.tool .tx{min-width:0}
.staff-link-grid .card.tool .ti{color:var(--text);font-size:13px;font-weight:750}
.staff-link-grid .card.tool .de{margin-top:3px;color:var(--muted);font-size:11px;line-height:1.45}
.staff-settings-title{margin:22px 0 10px;color:var(--text);font-size:16px}
.staff-fold{overflow:hidden;margin-top:10px;border:1px solid var(--line);border-radius:16px;background:rgba(20,26,58,.55)}
.staff-fold>summary{position:relative;display:flex;align-items:center;gap:10px;padding:14px 46px 14px 16px;color:var(--text);font-size:14px;font-weight:750;cursor:pointer;list-style:none;user-select:none}
.staff-fold>summary::-webkit-details-marker{display:none}
.staff-fold>summary::after{content:"＋";position:absolute;right:16px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--panel2);color:var(--muted);font-size:16px;font-weight:400}
.staff-fold[open]>summary::after{content:"−"}
.staff-fold>summary small{margin-left:auto;color:var(--muted);font-size:11px;font-weight:400}
.staff-fold-body{padding:0 12px 12px}
.staff-fold-body>.card{margin:0 0 10px;background:var(--panel);box-shadow:none}
.staff-fold-body>.card:last-child{margin-bottom:0}
.staff-fold-body>.card>h3{margin-top:0;color:var(--text)}
.staff-fold-body .tablewrap{overflow-x:auto}
@media(max-width:1100px){.staff-dashboard{grid-template-columns:1fr}.staff-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.staff-hero{align-items:flex-start;padding:17px}.staff-actions{justify-content:flex-start}.staff-kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.staff-kpi{min-height:80px;padding:12px}.staff-kpi-icon{flex-basis:36px;width:36px;height:36px;font-size:18px}.staff-kpi b{font-size:22px}.staff-bar-row{grid-template-columns:minmax(74px,105px) 1fr auto;gap:7px}.staff-bar-meta{min-width:58px;font-size:10.5px}.staff-panel{padding:14px}.staff-anchor-nav{overflow-x:auto;flex-wrap:nowrap}.staff-anchor-nav button{flex:none}}
@media(max-width:520px){.staff-link-grid{grid-template-columns:1fr}.staff-hero h2{font-size:20px}.staff-actions .btn{flex:1}.staff-fold>summary small{display:none}.staff-mastery{grid-template-columns:1fr}.staff-donut-wrap{gap:14px}}
/* 机构与教师端二级功能页：题库、课程、作业、素材和编程工具共用同一套布局 */
.staff-kpis-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.staff-title-count{display:inline-flex;align-items:center;margin-left:8px;padding:3px 10px;border:1px solid rgba(56,168,240,.28);border-radius:999px;background:rgba(56,168,240,.10);color:var(--staff-blue);font-size:12px;vertical-align:middle}
.staff-filter-grid{display:grid;grid-template-columns:minmax(220px,1.6fr) repeat(3,minmax(105px,.65fr)) auto auto;align-items:end;gap:10px;margin-bottom:14px}
.staff-filter-grid>label{display:grid;gap:4px;color:var(--muted);font-size:11px}
.staff-filter-grid select{width:100%;max-width:none}
.staff-filter-grid .staff-check{display:flex;align-items:center;gap:6px;min-height:34px;white-space:nowrap}
.staff-filter-grid .staff-check input{width:auto;margin:0}
.staff-row-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.staff-row-actions .btn-mini,.staff-row-actions button{min-height:29px;padding:5px 10px;font-size:12px}
.staff-course-table{min-width:1060px}
.staff-course-name{display:flex;align-items:center;gap:10px;min-width:190px}
.staff-course-name img,.staff-course-cover{flex:0 0 68px;width:68px;height:44px;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
.staff-course-cover{display:grid;place-items:center;background:var(--panel2);font-size:21px}
.staff-course-summary{max-width:230px;line-height:1.6}
.staff-course-overview{display:flex;align-items:flex-start;gap:18px}
.staff-course-overview>img,.staff-course-placeholder{flex:0 0 190px;width:190px;height:112px;object-fit:cover;border-radius:13px;border:1px solid var(--line)}
.staff-course-placeholder{display:grid;place-items:center;background:var(--panel2);font-size:38px}
.staff-course-desc{margin:0 0 10px;color:var(--text);font-size:13px;line-height:1.75}
.staff-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:end;gap:12px}
.staff-form-grid>div>label{display:block;margin-bottom:5px;color:var(--muted);font-size:11.5px}
.staff-form-grid select,.staff-form-grid input{width:100%}
.staff-form-action{padding-bottom:1px}
.staff-upload-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.staff-upload-row input[type=file]{flex:1;min-width:240px}
.course-upload .staff-fold-body>.staff-panel,.library-hub .staff-fold-body>.staff-panel{box-shadow:none}
.ide-hero{margin-bottom:12px}
.ide-stage{height:calc(100vh - 245px);min-height:540px;padding:8px;overflow:hidden}
.ide-stage iframe{display:block;width:100%;height:100%;border:0;border-radius:11px;background:#fff}
.ide-notice{display:grid;justify-items:start;gap:10px}
.ide-notice h3,.ide-notice p{margin:0}
.ide-notice code{padding:7px 10px;border-radius:8px;background:var(--panel2);color:var(--muted)}
.library-hub .tabs button.on{border-color:transparent;background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff}
.staff-library-form{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px}
.staff-library-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.staff-library-item{min-width:0;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);text-align:center}
.staff-library-thumb{display:flex;align-items:center;justify-content:center;height:92px;overflow:hidden;border-radius:10px;background:#0f1626;font-size:30px}
.staff-library-thumb img{max-width:100%;max-height:86px;object-fit:contain}
.staff-library-name{margin-top:9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.staff-library-tags{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;min-height:24px;margin:6px 0}
@media(max-width:1180px){.staff-filter-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.staff-filter-grid>input{grid-column:span 2}.staff-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.staff-library-form{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.staff-kpis-3{grid-template-columns:repeat(3,minmax(0,1fr))}.staff-filter-grid,.staff-form-grid,.staff-library-form{grid-template-columns:1fr 1fr}.staff-filter-grid>input{grid-column:1/-1}.staff-course-overview{flex-direction:column}.staff-course-overview>img,.staff-course-placeholder{width:100%;flex-basis:auto;height:150px}.ide-stage{height:calc(100vh - 285px);min-height:480px}}
@media(max-width:520px){.staff-kpis-3{grid-template-columns:1fr}.staff-filter-grid,.staff-form-grid,.staff-library-form{grid-template-columns:1fr}.staff-library-items{grid-template-columns:repeat(2,minmax(0,1fr))}.staff-course-name{min-width:160px}.staff-upload-row input[type=file]{min-width:0;width:100%}}
@media(prefers-reduced-motion:reduce){.staff-hub *{transition:none!important}}