@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#f5f6f4;--paper:#fff;--ink:#1d302e;--muted:#82908b;--line:#e8ece7;--green:#247463;--deep:#142c2a;--lime:#c6ef8d;--mint:#e9f3ed;--orange:#e4ab72;--radius:18px;--font:'DM Sans','Microsoft YaHei','PingFang SC',sans-serif;--display:'Manrope',var(--font)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 var(--font);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible{outline:3px solid #9ecb66;outline-offset:3px}input:focus,select:focus,textarea:focus{outline:2px solid #86b6a6;outline-offset:2px}.icon{width:19px;height:19px;stroke-width:1.65;flex-shrink:0;vertical-align:middle}button{border:0;background:none}h1,h2,h3,p{margin:0}h1{font-size:29px;font-weight:650;letter-spacing:-.9px;line-height:1.35}h2{font-size:17px;letter-spacing:-.25px;font-weight:650}h3{font-size:15px;font-weight:650}.muted{color:var(--muted)}.num{font-family:var(--display);font-variant-numeric:tabular-nums}.small{font-size:12px}.eyebrow{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;font-weight:700;color:var(--muted)}.shell{min-height:100vh;display:grid;grid-template-columns:228px minmax(0,1fr)}
.sidebar{background:var(--deep);color:#b9c8c0;display:flex;flex-direction:column;padding:31px 17px 20px;position:fixed;inset:0 auto 0 0;width:228px;z-index:30}.brand{display:flex;align-items:center;gap:11px;margin:0 13px 34px;color:#fff}.brand-mark{width:36px;height:36px;display:grid;place-items:center;background:var(--lime);border-radius:12px;color:var(--deep)}.brand-mark svg{width:25px;height:25px}.brand-name{font-size:20px;font-weight:700;letter-spacing:2px;line-height:1.3}.brand-sub{font-size:9px;letter-spacing:2.7px;color:#92aaa0;margin-top:4px}.workspace-label{padding:0 14px 13px;font-size:11px;letter-spacing:1px;color:#6f9184;display:flex;align-items:center;gap:8px}.workspace-label:after{content:'';height:1px;background:#2e4440;flex:1}.nav-group{display:flex;flex-direction:column;gap:5px}.nav-group+.workspace-label{margin-top:28px}.nav-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;padding:12px 15px;border-radius:9px;color:#a8bdb3;font-size:14px;transition:background .2s,color .2s}.nav-item:hover{background:#233e36;color:white}.nav-item.active{background:var(--lime);color:var(--deep);font-weight:600}.nav-item .count{margin-left:auto;font:11px var(--display);border-radius:5px;padding:1px 6px;background:#2a463c;color:#cbe5d2}.nav-item.active .count{background:#afdb75;color:var(--deep)}.nav-item .nav-new{margin-left:auto;color:#bddfb9;font-size:10px;letter-spacing:1px}.sidebar-bottom{margin-top:auto;padding:20px 8px 0}.help-box{border:1px solid #365047;border-radius:12px;padding:16px 13px;margin-bottom:21px;position:relative;background:#1a3730}.help-box .help-title{color:#d3e4d8;font-size:13px;display:flex;gap:8px;align-items:center}.help-box p{font-size:11px;color:#88a496;margin-top:7px}.side-user{display:flex;align-items:center;gap:10px}.avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:#e4eadb;color:#4e6944;font:700 12px var(--display);flex-shrink:0}.avatar.lilac{background:#efeaf7;color:#86759e}.avatar.peach{background:#f8eadd;color:#a58164}.avatar.blue{background:#e5edf5;color:#6188a5}.avatar.teal{background:#dcece7;color:#3c7c69}.avatar.large{width:54px;height:54px;font-size:17px}.side-user .name{color:#e4ece3;font-size:13px}.side-user .muted{color:#8da69a;font-size:11px}.side-user .icon{margin-left:auto;width:16px;color:#8fa598}
.workspace{grid-column:2;min-width:0}.topbar{height:82px;padding:0 35px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fafbf9;gap:20px}.breadcrumb{display:flex;align-items:center;gap:13px;font-size:13px;white-space:nowrap}.breadcrumb .slash{color:#c4cdc7}.breadcrumb .icon{width:17px;color:#7b8b82}.top-actions{display:flex;align-items:center;gap:20px}.search-trigger{height:34px;display:flex;align-items:center;gap:9px;color:#9ba49f;font-size:12px}.search-trigger kbd{border:1px solid #e0e5de;border-radius:4px;line-height:18px;padding:0 4px;font-size:10px}.icon-btn{width:35px;height:35px;display:inline-grid;place-items:center;border-radius:9px;background:transparent}.icon-btn:hover{background:var(--mint)}.notification{position:relative}.notification:after{content:'';position:absolute;width:4px;height:4px;background:#c58a5b;border:2px solid #fafbf9;border-radius:50%;top:6px;right:6px;box-sizing:content-box}.separator{height:25px;width:1px;background:#e4e8e1}.role-wrap{position:relative}.role-trigger{display:flex;gap:9px;align-items:center;font-size:12px;padding:6px 0}.role-trigger .icon{width:13px}.role-menu{position:absolute;right:0;top:45px;padding:7px;background:white;box-shadow:0 10px 40px #142c2a22;border:1px solid var(--line);border-radius:12px;min-width:245px;z-index:45}.role-option{width:100%;text-align:left;padding:11px 12px;border-radius:7px;display:flex;gap:10px;align-items:center}.role-option:hover{background:var(--mint)}.role-option small{display:block;color:var(--muted);font-size:11px}.role-option strong{font-size:13px;font-weight:600}.main{padding:31px 35px 28px;max-width:1720px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px;gap:20px}.page-heading .eyebrow{margin-bottom:7px}.page-heading p{font-size:12px;color:var(--muted);margin-top:9px;display:flex;align-items:center;gap:8px}.heading-actions{display:flex;align-items:center;gap:10px}.btn{height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:0 15px;font-size:12px;font-weight:500;white-space:nowrap;border:1px solid #e0e6dc;background:#fff;transition:.2s}.btn:hover{background:#edf2e9;transform:translateY(-1px)}.btn.primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 2px 3px #1c624814}.btn.primary:hover{background:#1d6658}.btn.lime{background:var(--lime);color:var(--deep);border-color:var(--lime)}.btn.ghost{border-color:transparent;background:transparent;padding:0 8px;color:var(--green)}.btn .icon{width:15px;height:15px}.btn.small{height:31px;font-size:11px;padding:0 11px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:23px}.stat-card{padding:19px 20px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.stat-label{display:flex;align-items:center;justify-content:space-between;color:#7e8b82;font-size:12px}.stat-label .icon{width:17px;height:17px;color:#7d9687}.stat-value{font:600 32px/1.5 var(--display);letter-spacing:-1.3px;margin-top:6px;display:flex;align-items:baseline;gap:5px}.stat-value .unit{font:12px var(--font);color:var(--muted);letter-spacing:0;margin-left:4px}.stat-foot{display:flex;align-items:center;gap:6px;margin-top:5px;font-size:10px;color:#929b95}.trend{color:#548e58;background:#f0f7e9;border-radius:4px;padding:1px 4px;font:600 10px var(--display)}.trend .icon{width:10px;height:10px}.progress-track{height:4px;background:#edf1e9;border-radius:10px;overflow:hidden;margin-top:15px}.progress-track span{display:block;height:100%;background:#84b785;border-radius:10px}.dashboard-middle{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(290px,1fr);gap:22px;margin-bottom:23px}.activity-card{background:var(--deep);color:#e8f0e5;border-radius:var(--radius);padding:24px 26px 18px;min-height:290px;position:relative;overflow:hidden}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}.panel-header .sub{font-size:11px;color:var(--muted);margin-top:3px}.activity-card h2{font-size:15px;color:#dce6d7}.activity-card .eyebrow{color:#7e9c8c;font-size:9px;letter-spacing:1px}.segmented{display:flex;gap:3px;background:#eff2ec;padding:4px;border-radius:8px}.segmented button{font-size:11px;padding:4px 12px;color:#8a958b;border-radius:5px;white-space:nowrap}.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 1px 5px #142c2a08}.activity-card .segmented{background:#284137}.activity-card .segmented button{color:#91a599}.activity-card .segmented button.active{background:#405748;color:#e3eddd}.chart-top{display:flex;gap:26px;align-items:center}.chart-total{font:500 38px/1.2 var(--display);letter-spacing:-1px}.chart-total span{font:12px var(--font);color:#90a496;letter-spacing:0;margin-left:5px}.chart-note{font-size:10px;color:#9eb094}.chart-note b{color:var(--lime);font-weight:500}.bar-chart{height:138px;display:flex;align-items:flex-end;justify-content:space-around;gap:16px;margin-top:18px;border-bottom:1px solid #3b5045;background:repeating-linear-gradient(to top,transparent,transparent 44px,#31463c 45px,transparent 46px)}.bar-group{height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;flex:1;position:relative}.bar-pair{height:100%;display:flex;align-items:flex-end;gap:5px;width:100%;max-width:42px}.bar{width:50%;background:#5d8061;border-radius:4px 4px 0 0;transition:height .35s}.bar.light{background:var(--lime)}.bar-label{position:absolute;bottom:-25px;font:10px var(--display);color:#97ac9b}.chart-bottom{display:flex;justify-content:flex-end;align-items:center;gap:16px;margin-top:37px;font-size:10px;color:#8ea48f}.legend-mark{width:6px;height:6px;border-radius:2px;display:inline-block;background:var(--lime);margin-right:5px}.legend-mark.dark{background:#5d8061}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px 24px}.panel .panel-header{margin-bottom:17px}.text-link{display:inline-flex;align-items:center;gap:5px;color:#6d8070;font-size:11px}.text-link .icon{width:13px}.todo-list{display:flex;flex-direction:column}.todo-item{padding:15px 0;display:flex;align-items:center;gap:13px;text-align:left;width:100%;border-bottom:1px solid var(--line)}.todo-item:last-child{border-bottom:0;padding-bottom:4px}.todo-icon{width:37px;height:37px;border-radius:11px;display:grid;place-items:center;background:#f2ecdf;color:#ba945f}.todo-icon.teal{background:#eaf3ed;color:#508b73}.todo-icon.lilac{background:#eeeafa;color:#9b8db8}.todo-copy{flex:1;min-width:0}.todo-copy strong{display:block;font-size:12px;font-weight:600}.todo-copy span{display:block;font-size:10px;color:#9aa297;margin-top:3px}.todo-number{font:500 20px var(--display);color:#556d58;margin-right:7px}.todo-item>.icon{width:12px;color:#a1aba0}.panel-footer-note{display:flex;align-items:center;gap:6px;color:#a0aa9c;font-size:10px;margin-top:18px}.panel-footer-note .icon{width:12px;height:12px}.dashboard-bottom{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(290px,1fr);gap:22px}.schedule-panel{padding-bottom:10px}.date-strip{display:flex;justify-content:space-between;background:#f5f7f2;border-radius:9px;padding:4px;margin-bottom:16px;gap:4px}.date-button{display:flex;flex-direction:column;align-items:center;gap:2px;flex:1;border-radius:7px;padding:6px 5px;color:#95a08f;font-size:9px}.date-button strong{font:600 14px var(--display);color:#7b8c75}.date-button.active{background:#e1ecd7;color:#548251}.date-button.active strong{color:#375e3a}.lesson-row{display:flex;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--line);width:100%;text-align:left}.lesson-row:last-child{border-bottom:0}.lesson-time{min-width:46px;font:600 14px var(--display)}.lesson-time small{font:10px var(--display);color:#9ba69a;display:block;margin-top:5px}.lesson-accent{height:34px;width:3px;border-radius:5px;background:#8bb896}.lesson-accent.peach{background:#d3ad78}.lesson-accent.lilac{background:#aa9eca}.lesson-info{flex:1;min-width:0}.lesson-info strong{font-size:12px;font-weight:600;display:block}.lesson-info span{font-size:10px;color:#96a18f;display:block;margin-top:4px}.lesson-row .avatar{width:29px;height:29px;font-size:10px}.pill{display:inline-flex;align-items:center;justify-content:center;gap:4px;background:#edf5e9;color:#759268;font-size:10px;white-space:nowrap;border-radius:5px;padding:3px 8px}.pill.orange{background:#fcf1df;color:#b68c49}.pill.lilac{background:#f0ecf7;color:#9b86b4}.pill.gray{background:#f0f2ee;color:#8a9684}.pill.blue{background:#eaf1f7;color:#7799af}.pill .icon{width:11px;height:11px}.ai-card{background:#edf2e8;border-color:#e1e8d9}.ai-heading{display:flex;align-items:center;gap:9px}.ai-symbol{width:29px;height:29px;border-radius:8px;background:#dae8cd;color:#5e7d47;display:grid;place-items:center}.ai-heading h2{font-size:14px}.ai-report-title{font-size:19px;line-height:1.65;letter-spacing:-.6px;margin:19px 0 13px;font-weight:600;max-width:275px}.ai-card p{font-size:12px;line-height:1.95;color:#7c8c72}.insight-metric{display:flex;align-items:center;gap:14px;padding:16px 0 17px;border-bottom:1px solid #dce5d5}.insight-metric strong{font:600 30px var(--display);letter-spacing:-1px;color:#486b3d}.insight-metric span{font-size:11px;color:#8c9b80;line-height:1.6}.ai-card .btn{margin-top:20px;width:100%;color:#5b7548;background:#f9fbf5;border-color:#dfe7d8}.page-footer{display:flex;justify-content:space-between;gap:12px;margin-top:24px;font-size:10px;color:#a1aaa0}.page-footer span{display:flex;align-items:center;gap:6px}.page-footer .icon{width:11px;height:11px}.mobile-menu{display:none}.page-content{animation:appear .28s ease-out}@keyframes appear{from{opacity:.5;transform:translateY(5px)}to{opacity:1;transform:none}}
.overlay{position:fixed;inset:0;background:#0e211e55;backdrop-filter:blur(4px);z-index:100;display:flex;justify-content:flex-end;animation:appear .18s ease}.drawer{width:min(510px,100%);height:100%;background:#fcfdfb;box-shadow:-10px 0 80px #142c2a22;display:flex;flex-direction:column}.drawer-header{display:flex;justify-content:space-between;align-items:center;padding:26px 30px;border-bottom:1px solid var(--line)}.drawer-body{padding:28px 30px;overflow:auto;flex:1}.drawer-footer{padding:20px 30px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}.detail-hero{padding:23px;border-radius:14px;background:var(--mint);margin-bottom:22px}.detail-hero h2{font-size:23px;margin:10px 0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px;margin:22px 0}.detail-grid dt{font-size:11px;color:var(--muted)}.detail-grid dd{margin:5px 0 0;font-size:14px}.detail-section{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.detail-section p{font-size:13px;color:#7c8a7d;line-height:1.9;margin-top:9px}.toast{position:fixed;bottom:30px;left:calc(50% + 90px);transform:translateX(-50%);background:#19382e;color:#e6f1df;padding:13px 20px;border-radius:10px;box-shadow:0 5px 30px #17332322;z-index:300;font-size:13px;max-width:80vw;display:flex;align-items:center;gap:10px}.toast .icon{color:var(--lime);width:17px}.modal-overlay{justify-content:center;align-items:center}.modal{width:min(560px,calc(100% - 32px));background:#fff;border-radius:20px;max-height:90vh;overflow:auto;box-shadow:0 30px 80px #102b3333}.modal .drawer-header{padding:20px 24px}.modal .drawer-body{padding:24px}.modal .drawer-footer{padding:18px 24px}.input-group{margin-bottom:18px}.input-group label{display:block;font-size:12px;margin-bottom:7px;font-weight:500}.input,select,textarea{width:100%;border:1px solid #dde5db;border-radius:8px;padding:10px 12px;background:#fff;color:var(--ink);font-size:13px;min-height:40px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-note{font-size:11px;color:var(--muted);margin-top:6px}.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}.empty-state .icon{width:36px;height:36px;margin-bottom:12px}.empty-state h3{color:var(--ink);margin-bottom:7px}.search-modal-results button{display:flex;width:100%;padding:13px 5px;border-bottom:1px solid var(--line);align-items:center;gap:12px}.search-modal-results .icon:last-child{margin-left:auto;width:14px}.badge-dot{width:5px;height:5px;border-radius:50%;background:#81a966;display:inline-block}.notice-band{display:flex;gap:10px;align-items:center;padding:12px 16px;background:#edf3e7;color:#6e825f;font-size:12px;border:1px solid #dfe8d5;border-radius:9px;margin-bottom:21px}.notice-band .icon{width:16px}.notice-band .text-link{margin-left:auto}
@media(min-width:1600px){.main{padding:36px 44px}.topbar{padding:0 44px}.activity-card{min-height:327px}.bar-chart{height:164px}.stat-card{padding:24px}.stat-value{font-size:38px}.lesson-row{padding:19px 0}.dashboard-middle,.dashboard-bottom{grid-template-columns:minmax(0,1.85fr) minmax(340px,1fr)}}
@media(max-width:1200px){.shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{width:200px;padding-left:12px;padding-right:12px}.brand{margin-left:10px}.brand-name{font-size:18px}.main{padding:26px 24px}.topbar{padding:0 24px}.top-actions{gap:12px}.search-trigger span{display:none}.stats-grid{gap:12px}.stat-card{padding:16px}.stat-value{font-size:27px}.dashboard-middle,.dashboard-bottom{gap:16px;grid-template-columns:minmax(0,1.5fr) minmax(265px,1fr)}.panel{padding:20px}.activity-card{padding:22px}.lesson-row{gap:10px}.lesson-row .avatar{display:none}.heading-actions .date-display{display:none}}
@media(max-width:1000px){.shell{grid-template-columns:78px minmax(0,1fr)}.sidebar{width:78px;padding:25px 12px}.brand{margin:0 9px 32px}.brand-copy,.nav-item span,.workspace-label,.sidebar-bottom,.nav-item .count{display:none}.nav-item{justify-content:center;padding:14px 0}.nav-group{gap:9px;margin-bottom:25px}.dashboard-middle,.dashboard-bottom{grid-template-columns:minmax(0,1.45fr) minmax(255px,1fr)}.main{padding:24px 22px}.page-heading{align-items:flex-start}h1{font-size:25px}.stat-foot .compare-label{display:none}.toast{left:calc(50% + 39px)}}
@media(max-width:780px){.dashboard-middle,.dashboard-bottom{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.topbar{height:67px;padding:0 19px}.search-trigger{display:none}.breadcrumb{font-size:12px;gap:9px}.top-actions{gap:10px}.page-heading{gap:12px;flex-wrap:wrap}.heading-actions{margin-left:auto}.main{padding:23px 19px}.dashboard-middle .panel{min-height:260px}.todo-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.todo-item{display:flex;align-items:flex-start;flex-wrap:wrap;border:0}.todo-copy{flex-basis:100%}.todo-number{display:none}.todo-item>.icon{display:none}.ai-report-title{max-width:none}.ai-card p{max-width:90%}.activity-card{min-height:300px}.bar-chart{height:135px}.page-footer{font-size:9px}.separator{display:none}.role-trigger>span{max-width:96px;overflow:hidden;text-overflow:ellipsis}.panel-footer-note{margin-top:0}}
@media(max-width:520px){.shell{display:block}.sidebar{transform:translateX(-100%);width:228px;transition:transform .2s}.sidebar.open{transform:none;box-shadow:20px 0 80px #142c2a66}.sidebar.open .brand-copy,.sidebar.open .nav-item span,.sidebar.open .workspace-label,.sidebar.open .sidebar-bottom{display:block}.sidebar.open .nav-item{justify-content:flex-start;padding:12px 15px}.sidebar.open .brand{margin:0 13px 34px}.mobile-menu{display:inline-grid}.breadcrumb>.icon,.breadcrumb>.muted,.breadcrumb>.slash{display:none}.topbar{padding:0 14px}.main{padding:20px 16px}.stats-grid{gap:10px}.stat-card{padding:15px}.stat-value{font-size:29px}.page-heading{margin-bottom:20px}h1{font-size:24px}.heading-actions{width:100%;justify-content:flex-end}.stat-label{font-size:11px}.todo-list{display:flex}.todo-item{align-items:center;flex-wrap:nowrap;border-bottom:1px solid var(--line)}.todo-copy{flex-basis:auto}.todo-number{display:block}.page-footer span:last-child{display:none}.toast{left:50%;width:90vw}.role-trigger{font-size:11px}.drawer-body{padding:24px}.drawer-header{padding:22px 24px}.form-grid{grid-template-columns:1fr}.lesson-row .pill{font-size:9px}.lesson-info strong{font-size:11px}}