:root{--blue:#4388f5;--deep:#234b88;--ink:#263650;--muted:#718099;--paper:#f5f7fb;--line:#e4eaf3;--mint:#e6f2ec;--lilac:#eeeafb;--white:#fff;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 "PingFang SC","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ffbd60;outline-offset:3px}button{border:0;border-radius:10px;padding:10px 17px;background:#edf2fa;color:var(--deep);font-weight:600;transition:background .15s}button:hover{background:#dfe9fa}button.primary{background:var(--blue);color:white}button.primary:hover{background:#3272d8}button.small{padding:7px 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@media(min-width:1500px){main{padding-top:40px}.hero{padding:32px 36px}.hero h2{font-size:27px}}
@media(max-width:1180px){.sidebar{width:190px;padding:25px 15px}.workspace{margin-left:190px}header{padding:0 25px}main{padding:25px}.grid{grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr);gap:18px}.card{padding:20px}.route{gap:10px}.route-stop{width:83px;padding:10px}.cards3{grid-template-columns:repeat(2,minmax(0,1fr))}.day-strip{flex-wrap:wrap}.day-strip span+span:before{display:none}}
@media(max-width:900px){.sidebar{width:165px;padding:24px 12px}.workspace{margin-left:165px}.brand{font-size:18px;gap:5px}.brand img{width:38px;height:38px}nav a{padding:11px 12px}.hero{grid-template-columns:1fr}.hero-art{display:none}.grid{grid-template-columns:1fr}.cards2{grid-template-columns:1fr}.header-controls label{display:none}.breadcrumb{font-size:11px}.card{padding:22px}.side-foot{padding-left:6px}.cards3{gap:14px}}
@media(max-width:600px){.sidebar{position:static;width:100%;height:auto;padding:13px 18px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:18px}.brand small{display:inline;margin-left:8px}.brand img{width:35px;height:35px}.workspace-label,.side-foot{display:none}nav{flex-direction:row;overflow-x:auto;margin-top:12px;gap:5px}nav a{white-space:nowrap;padding:8px 10px;font-size:12px;gap:4px}.nav-icon{font-size:14px;width:18px}.workspace{margin:0}header{height:60px;padding:0 20px}main{padding:22px 16px}.page-head{align-items:flex-start}h1{font-size:25px}.page-head>.date{display:none}.hero{padding:22px}.hero h2{font-size:21px}.cards3{grid-template-columns:1fr}.day-strip{gap:10px;font-size:11px}.card{padding:19px}.task-controls{flex-direction:column}.summary-numbers{gap:30px}.moods{gap:5px}.moods label{padding:8px}.card-head{align-items:flex-start}.breadcrumb{max-width:190px}.header-controls{gap:6px}.avatar{width:30px;height:30px}footer{padding:20px}footer span{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
[hidden]{display:none!important}.loading #app-shell{display:none}.saving{cursor:progress}.saving button,.saving input[type=checkbox],.saving input[type=radio]{pointer-events:none;opacity:.65}.login-layout{min-height:100vh;display:grid;grid-template-columns:1.15fr 1fr;max-width:1300px;margin:auto;align-items:center;gap:80px;padding:70px}.login-story img{width:75px;height:75px;mix-blend-mode:multiply;margin-bottom:32px}.login-story h1{font-size:40px;line-height:1.6;margin:16px 0}.login-story p{color:var(--muted);line-height:2}.login-route{display:flex;gap:20px;align-items:center;margin-top:45px}.login-route span{background:#e7efff;padding:15px 23px;border-radius:14px;color:var(--deep)}.login-route i{font-style:normal;color:#a5b8d4}.login-card{padding:36px;box-shadow:0 15px 50px #3a609410}.login-card h2{font-size:25px}.login-card button[type=submit]{width:100%;margin-top:10px}.error-text{color:#a44949;font-size:13px;margin-top:15px}.button-link{display:inline-block;padding:8px 13px;border-radius:9px;background:#edf2fa;color:var(--deep);font-size:13px;font-weight:600}.resource-intro{background:#eaf1ff;padding:28px 32px;border:1px solid #dce7fb;border-radius:20px;margin-bottom:26px;display:flex;align-items:center;gap:25px;justify-content:space-between}.resource-intro h2{font-size:23px;margin:8px 0}.resource-intro p{font-size:13px;color:var(--muted);max-width:520px;margin:0}.resource-sequence{display:flex;gap:12px;white-space:nowrap;color:#6f90bd;font-size:13px}.resource-sequence b{padding:13px 16px;background:#fff9;border-radius:10px;font-weight:500}.resource-sequence span{align-self:center}.resource-card h2{font-size:20px}.resource-icon{width:53px;height:53px;display:grid;place-items:center;background:#eaf0ff;border-radius:12px;color:#5a88c6;font-size:25px}.resource-icon.math{background:#fff1db;color:#b88e4b}.resource-icon.code{background:#eeebfc;color:#8a77b1}.resource-icon.read{background:#e6f2e9;color:#669579}.context-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:12px;color:var(--muted)}.context-bar select{padding:7px 12px;margin-left:7px;border:1px solid var(--line);border-radius:8px;background:white}.ai-item{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.login-card .field input[type=password]{font-family:system-ui}.workspace .header-controls{flex-wrap:wrap}
@media(max-width:1000px){.login-layout{gap:30px;padding:40px}.login-story h1{font-size:30px}.resource-intro{display:block}.resource-sequence{margin-top:22px}}@media(max-width:650px){.login-layout{display:block;padding:28px 20px}.login-story img{width:50px;height:50px;margin-bottom:12px}.login-story h1{font-size:26px}.login-route{display:none}.login-card{margin-top:25px;padding:25px}.resource-sequence{gap:8px}.resource-sequence b{padding:10px}.resource-intro{padding:23px}.header-controls #account-label{max-width:115px;font-size:10px}.breadcrumb{display:none}}
.calendar-nav{display:flex;align-items:center;gap:12px;color:var(--deep);font-size:14px}.calendar-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.8fr);gap:20px}.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px}.calendar-weekdays{margin-bottom:8px;color:var(--muted);font-size:11px;text-align:center}.calendar-cell{min-height:86px;border:1px solid var(--line);border-radius:12px;background:#fff;text-align:left;padding:9px;display:flex;flex-direction:column;gap:6px;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s,transform .15s}.calendar-cell:hover{border-color:#8caedc;transform:translateY(-1px)}.calendar-cell.selected{background:#eef4ff;border:2px solid #6e9cdd;padding:8px}.calendar-cell.today .calendar-number{color:#477ec2}.calendar-cell.blank{background:transparent;border-color:transparent;cursor:default}.calendar-cell.blank:hover{transform:none}.calendar-number{font-weight:700;font-size:14px}.calendar-cell small{font-size:10px;color:var(--muted)}.calendar-markers{display:flex;gap:4px}.calendar-markers i,.calendar-legend i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#d4ddea}.calendar-markers i.complete,.calendar-legend i.complete{background:#79b795}.calendar-markers i.reviewed,.calendar-legend i.reviewed{background:#e0ae60}.calendar-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:11px}.calendar-legend span{display:flex;align-items:center;gap:6px}.calendar-detail{min-height:390px}.calendar-summary{display:flex;gap:30px;padding:8px 0 15px;border-bottom:1px solid var(--line)}.calendar-summary span{font-size:12px;color:var(--muted)}.calendar-summary b{display:block;font-size:23px;color:var(--deep)}.calendar-summary small{display:block;font-size:11px}.calendar-task{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #edf0f5;font-size:13px}.calendar-task>span{color:#9aaabd}.calendar-task.done>span{color:#579875}.calendar-task small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.register-link{margin-top:13px}.login-card .register-link{background:transparent;padding-left:0;color:#5687c9}
@media(max-width:900px){.calendar-layout{grid-template-columns:1fr}.calendar-cell{min-height:70px;padding:7px;font-size:12px}.calendar-cell.selected{padding:6px}.calendar-cell small{font-size:9px}.calendar-summary{gap:22px}}
.assessment-question{border:0;border-top:1px solid var(--line);padding:18px 0;margin:0}.assessment-question legend{font-weight:650;font-size:14px;margin-bottom:10px}.choice{display:block;padding:8px 10px;border-radius:8px;background:#f7f9fc;margin:7px 0;font-size:13px;cursor:pointer}.choice input{margin-right:8px;accent-color:var(--blue)}.scale-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.scale-options{display:flex;gap:9px;margin-top:10px}.scale-options label{display:grid;place-items:center;gap:4px;color:var(--deep);font-size:12px}.scale-options input{accent-color:var(--blue)}.assessment-list{margin-top:18px}.assessment-card{padding:18px;border:1px solid var(--line);border-radius:13px;background:#fbfcff}.assessment-card h3{margin:5px 0 0}.assessment-card button{margin-top:13px}.assessment-results{margin-top:14px;padding-top:13px;border-top:1px solid #e7ebf2}.assessment-result-label{font-size:11px;color:var(--muted);margin-bottom:8px}.assessment-tags{display:flex;gap:6px;flex-wrap:wrap}.assessment-tags .tag{font-size:11px}.quiet-tag{background:#f0f3f8;color:#6b7d94}.assessment-history{display:flex;gap:8px;flex-direction:column;margin-top:10px;font-size:11px;color:var(--muted)}.assessment-history small{padding-left:9px;border-left:2px solid #dbe4f2;color:#71839a}