:root{--bg:#f7f8f4;--paper:#fff;--ink:#293e33;--muted:#879087;--line:#e5e9e1;--green:#3c5946;--light:#edf2e9;--peach:#f8e8df;--sand:#f1ebda;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}button,a{transition:background .18s,box-shadow .18s,transform .18s}a{color:inherit;text-decoration:none}button{color:inherit}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.45;letter-spacing:-.6px;font-weight:600}h2{font-size:21px;font-weight:600;line-height:1.5}h3{font-size:17px;font-weight:600;line-height:1.6}small,.small{font-size:12px}p{margin:10px 0}b,strong{font-weight:600}input,textarea,select{width:100%;border:1px solid #dce2d8;border-radius:10px;background:#fff;padding:12px 14px;color:var(--ink);outline:none;min-width:0}textarea{resize:vertical;line-height:1.9}input:focus,textarea:focus,select:focus{border-color:#67856a;box-shadow:0 0 0 3px #63836516}label{display:block;font-size:13px;font-weight:500;margin:18px 0 0}label input,label textarea,label select{display:block;margin-top:7px}input:disabled{background:#f4f5f1;color:#7d887f}button:focus-visible,a:focus-visible{outline:3px solid #c4a77c;outline-offset:4px}.primary,.secondary,.cream{display:inline-flex;justify-content:center;align-items:center;gap:18px;min-height:44px;padding:11px 21px;border:1px solid transparent;border-radius:9px;font-weight:500;font-size:14px}.primary{background:var(--green);color:#fff}.primary:hover{background:#2d4837;box-shadow:0 5px 12px #233b2516}.secondary{background:#f2f5ef;border-color:#dce5d7;color:#486044}.secondary:hover{background:#e7eee0}.cream{background:#f3ecdb;color:#314334}.cream:hover{background:#fff5dd}.full{width:100%}.text{border:0;background:transparent;color:#63765e;padding:6px;font-size:13px}.text:hover{color:#233d2b;background:#ebf0e7;border-radius:5px}.icon-btn{border:0;background:transparent;font-size:24px;padding:0 8px}.muted{color:var(--muted)}.hint{color:#8a9488;font-size:12px;line-height:1.8}.eyebrow{font-size:11px;letter-spacing:2px;color:#8a967d;font-weight:500}.row{display:flex;align-items:center;justify-content:space-between;gap:16px}.prewrap{white-space:pre-wrap;overflow-wrap:anywhere}.brand{display:flex;align-items:center;gap:12px;flex:none}.brand img{width:40px;height:40px}.brand span{font-weight:600;font-size:20px;letter-spacing:2px;white-space:nowrap}.brand small{display:block;font-size:10px;color:#8b9685;font-weight:400;letter-spacing:2px;margin-top:2px}.loading{padding:30vh 20px;text-align:center}.pill,.tag{display:inline-flex;align-items:center;border-radius:5px;padding:3px 9px;font-size:11px;white-space:nowrap}.pill.pending,.pill.submitted,.pill.needs_info{background:#f9f0dc;color:#977b40}.pill.approved,.pill.answered{background:#e8f0e1;color:#5d784a}.pill.needs_revision,.pill.rejected,.pill.paused{background:#f9e7df;color:#a36d55}.pill.resolved{background:#eceeeb;color:#788371}.tag{background:#eff3eb;color:#687d5f}.notice,.rule-note{padding:15px 19px;background:#f0f3e9;color:#62735a;border-radius:10px;font-size:13px;margin-bottom:22px}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:24px}.panel>h2{margin-bottom:15px}.empty{text-align:center;padding:54px 20px;background:#ffffff88;border-radius:var(--radius);border:1px dashed var(--line)}.empty-icon{font-size:42px;color:#9aa88d}.empty p{font-size:13px;color:var(--muted)}#toast{position:fixed;bottom:34px;left:50%;transform:translate(-50%,20px);background:#2c4034;color:#fff;padding:12px 22px;border-radius:10px;max-width:90vw;opacity:0;pointer-events:none;z-index:100;box-shadow:0 6px 20px #0002;transition:.2s}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{width:min(660px,94vw);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:20px;padding:25px 30px;box-shadow:0 30px 90px #0002;color:var(--ink)}dialog::backdrop{background:#182e2266;backdrop-filter:blur(3px)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;color:#8c9884;font-size:12px;letter-spacing:2px}dialog form .primary{margin-top:24px}.checkbox{display:flex;gap:10px;align-items:center}.checkbox input{width:18px;height:18px;margin:0;accent-color:var(--green)}[hidden]{display:none!important}
/* Login */
.auth-layout{min-height:100vh;display:grid;grid-template-columns:54% 46%}.auth-story{position:relative;overflow:hidden;background:#e9eddf;min-height:100vh;padding:42px 8%}.auth-story .brand{position:relative;z-index:2}.auth-copy{position:relative;z-index:2;margin-top:100px}.auth-copy h1{font-family:"Songti SC","SimSun",serif;font-size:clamp(36px,4vw,58px);font-weight:400;line-height:1.45;letter-spacing:3px;margin:24px 0}.auth-copy p{color:#74816c;font-size:16px;line-height:2}.pathline{display:flex;align-items:center;gap:12px;color:#849079;font-size:11px;margin-top:38px}.pathline i{width:24px;border-top:1px solid #b6bfa9}.landscape{position:absolute;bottom:0;left:0;right:0;height:300px;overflow:hidden;opacity:.85}.sun{position:absolute;right:25%;top:15px;width:105px;height:105px;border-radius:50%;background:#dfcaa0}.hill{position:absolute;width:110%;height:240px;border-radius:50% 50% 0 0}.hill.one{background:#c6d0b9;bottom:-80px;left:-35%;transform:rotate(16deg)}.hill.two{background:#a5b79e;bottom:-100px;right:-45%;transform:rotate(-18deg)}.hill.three{background:#7c957a;bottom:-195px;left:-15%;transform:rotate(9deg)}.auth-caption{position:absolute;bottom:30px;left:8%;z-index:3;color:#f6f6ed;font-size:12px;letter-spacing:2px}.auth-form{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:50px 12%;background:#fafbf7;position:relative}.auth-box{width:100%;max-width:370px}.auth-box h2{font-size:27px;margin:12px 0}.auth-box>.muted{font-size:13px;margin-bottom:28px}.auth-box form .primary{margin-top:27px;justify-content:space-between}.code-row{display:flex;gap:10px;margin-top:7px}.code-row input{margin:0;width:50%}.code-row button{flex:1;white-space:nowrap;font-size:12px;padding:8px}.dev-note{font-size:11px;line-height:1.8;color:#999d90;padding:12px;background:#f1f3eb;border-radius:8px;margin-top:20px}.auth-switch{font-size:12px;text-align:center;color:#84917a;margin-top:30px}.auth-footer{position:absolute;bottom:25px;font-size:11px;color:#a1a795;letter-spacing:2px}.onboard header{display:flex;justify-content:space-between;max-width:1200px;margin:auto;padding:28px}.onboard-content{max-width:860px;margin:40px auto 100px;padding:0 24px;text-align:center}.onboard-content h1{margin-top:12px}.steps{display:flex;gap:24px;justify-content:center;margin:35px 0;font-size:12px;color:#a3ab9d}.steps .done{color:#5d7953}.enroll-card{max-width:510px;margin:auto;padding:35px;background:white;border-radius:20px;border:1px solid var(--line);text-align:left}.enroll-card>h2{margin-bottom:12px}.enroll-card .primary{margin-top:20px}.pending-visual{font-size:50px;color:#98aa86;text-align:center;padding:20px 0}
/* Shell */
.app-layout{display:flex;min-height:100vh}.sidebar{width:235px;position:fixed;inset:0 auto 0 0;background:#fafbf8;border-right:1px solid var(--line);padding:33px 22px;display:flex;flex-direction:column;z-index:15}.sidebar .brand{margin:0 6px}.nav-label{font-size:10px;letter-spacing:1.5px;color:#a0a797;margin:56px 15px 17px}.nav-item{border:0;background:none;width:100%;display:flex;align-items:center;text-align:left;gap:15px;padding:14px 17px;margin:6px 0;border-radius:10px;font-size:14px;color:#84907e}.nav-item.active{background:#e9eee1;color:#496044;font-weight:600}.nav-item:hover{background:#eff2e9}.nav-icon{font-size:22px;line-height:1;width:22px;text-align:center}.nav-item i{width:5px;height:5px;background:#779265;border-radius:50%;margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:40px}.mini-sprout{font-size:34px;color:#9eae8a;margin-left:16px}.sidebar-bottom>p{font-size:12px;line-height:2;color:#9ba590;margin:8px 16px 30px}.user-card{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:22px 3px 0}.user-card b{font-size:13px}.user-card small{display:block;color:#929c88;font-size:10px}.avatar{width:35px;height:35px;display:grid;place-items:center;background:#e4e9da;color:#768668;border-radius:50%;font-size:13px}.user-card .icon-btn{margin-left:auto;font-size:19px;color:#a1aa96}.main-area{margin-left:235px;width:calc(100% - 235px)}.topbar{height:77px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 42px;background:#fafbf8}.breadcrumb{font-size:12px;color:#899382}.breadcrumb span{padding:0 13px;color:#c7cdc1}.top-actions{display:flex;align-items:center;gap:22px}.dot-count{background:#e6eddf;border-radius:9px;padding:0 5px;font-size:10px}.content{max-width:1320px;margin:auto;padding:35px 42px 60px}.page-heading{margin-bottom:26px}.page-heading h1{margin:9px 0 8px}.page-heading p{font-size:13px}.mobile-nav{display:none}.welcome-hero{min-height:273px;background:#3c5443;color:#f4f2e7;border-radius:20px;padding:31px 36px;display:flex;justify-content:space-between;position:relative;overflow:hidden}.hero-tag{font-size:11px;color:#d0d8c1;letter-spacing:1px}.welcome-hero h2{font-family:"SimSun",serif;font-size:39px;letter-spacing:5px;font-weight:400;margin:11px 0}.welcome-hero p{font-size:13px;color:#bbc8b5;line-height:1.95;margin-bottom:20px}.hero-note{font-size:10px;color:#adc0a4;margin-top:14px;max-width:380px}.welcome-hero>div:first-child{z-index:2}.hero-art{width:310px;position:relative;flex:none;margin-right:20px}.orbit{border:1px solid #c0d0ae26;border-radius:50%;position:absolute;width:250px;height:250px;right:0;top:0}.orbit-b{width:310px;height:310px;top:-30px;right:-30px}.art-sun{position:absolute;width:99px;height:99px;background:#dcc695;border-radius:50%;top:28px;right:85px;box-shadow:0 0 40px #ddcb8f0c}.art-leaf{position:absolute;width:82px;height:136px;border-radius:100% 0 100% 0;z-index:1}.art-leaf.a{background:#93aa83;top:99px;right:128px;transform:rotate(-71deg)}.art-leaf.b{background:#b6c5a5;top:92px;right:57px;transform:rotate(13deg)}.art-leaf.c{background:#6c8763;top:135px;right:155px;width:67px;height:101px;transform:rotate(-75deg)}.art-trunk{height:164px;width:2px;background:#d1dabd;position:absolute;top:105px;right:131px;transform:rotate(9deg);z-index:2}.hero-art>span{position:absolute;bottom:1px;right:60px;color:#b9c6ac;font-size:10px;letter-spacing:3px}.stats-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:17px;margin:22px 0 31px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;align-items:center;gap:14px}.stat-symbol{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;font-size:21px;flex:none}.sage{background:#eef3e7;color:#82976d}.peach{background:var(--peach);color:#c69b80}.sand{background:var(--sand);color:#ae9b6d}.stat small{color:#8f9986;font-size:11px;display:block}.stat strong{font-size:21px;display:block;margin-top:4px;white-space:nowrap}.stat em{font-size:10px;font-style:normal;color:#9aa28e;font-weight:400}.mini-ring{margin-left:auto;position:relative;width:41px;height:41px;border-radius:50%;background:conic-gradient(#91a87a var(--progress),#eef2e8 0);font-size:9px;display:grid;place-items:center;isolation:isolate;flex:none}.mini-ring:before{content:'';position:absolute;inset:4px;border-radius:50%;background:white;z-index:-1}.home-columns{display:grid;grid-template-columns:1fr 300px;gap:25px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.section-title h2{font-size:18px}.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.chapter-card{border:1px solid var(--line);border-radius:13px;background:#fff;padding:21px;text-align:left;min-height:208px}.chapter-card:hover,.exercise-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #344d4009;border-color:#c8d5bc}.chapter-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#9fa78e;margin-bottom:12px}.chapter-number{font-size:24px;font-family:Georgia,serif;color:#a4b394}.chapter-card h3{font-size:15px;min-height:48px;max-width:230px}.chapter-card p{font-size:10px;color:#949d8c;margin:9px 0 19px}.progress-track{height:3px;background:#edf1e6;border-radius:5px;margin-bottom:12px;overflow:hidden}.progress-track i{display:block;height:100%;background:#94ab7d}.chapter-card .row{font-size:9px;color:#98a18c}.task-panel{background:white;border:1px solid var(--line);border-radius:13px;padding:5px 20px}.next-task{background:none;border:0;border-bottom:1px solid #f0f2eb;display:flex;align-items:center;gap:11px;text-align:left;width:100%;padding:19px 0}.next-task:last-child{border-bottom:0}.next-task b{font-size:12px;font-weight:500}.next-task small{display:block;color:#a0a793;font-size:10px;margin-top:4px}.next-task>span:last-child{margin-left:auto;color:#8c9d7e}.task-no{color:#acb69f;font-family:Georgia,serif;font-size:17px;align-self:flex-start}.quote-card{background:#eeefe5;padding:20px 24px;border-radius:13px;margin-top:18px}.quote-card>span{font-family:Georgia;font-size:43px;color:#b3b89d;line-height:1}.quote-card p{font-size:12px;line-height:2.1;color:#7f8970;margin:0 0 13px}.quote-card small{color:#a5ac97;font-size:10px}
/* Learning and practice */
.curriculum-section{background:white;border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:20px}.topic-row{display:flex;align-items:center;gap:20px;width:100%;padding:17px 10px;background:none;border:0;border-top:1px solid #edf0e8;text-align:left;font-size:14px}.topic-row:hover{background:#f7f9f3}.topic-index{font-family:Georgia;font-size:18px;color:#a8b49b;width:26px;flex:none}.topic-row small{margin-left:auto;color:#97a38c;white-space:nowrap;font-size:11px}.reader-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#8d9884;margin-bottom:20px}.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px}.reader{padding:34px 39px;background:white;border:1px solid var(--line);border-radius:16px;min-width:0}.reader h1{font-size:27px;margin:14px 0}.reader-meta{font-size:11px;color:#9aa38e;padding-bottom:24px;border-bottom:1px solid var(--line)}.reader-meta span{display:block;margin-top:6px}.material-body{padding:20px 0}.material-body p{font-size:15px;line-height:2.15;white-space:pre-wrap;margin:18px 0;color:#505e4d;overflow-wrap:anywhere}.material-body h3{font-size:18px;margin:27px 0 15px}.material-body figure{margin:24px 0;text-align:center}.material-body img{max-width:100%;height:auto;border-radius:6px}.material-body table{font-size:12px}.material-body td,.material-body th{white-space:pre-wrap}.reader-footer{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}.side-card{background:white;border:1px solid var(--line);border-radius:13px;padding:21px;margin-bottom:18px}.side-card h3{margin:7px 0}.side-card p{font-size:12px}.side-card button,.side-card a{margin-top:9px;font-size:12px}.side-card.outline{background:transparent}.reader-link{border:0;background:none;text-align:left;width:100%;padding:8px 0;font-size:12px;color:#919c86}.reader-link.active{color:#3c5b36;font-weight:600}.filter-row{display:flex;gap:9px;margin:10px 0 23px;align-items:center}.chip{border:1px solid var(--line);background:transparent;padding:8px 17px;border-radius:8px;font-size:12px;color:#8a9680}.chip.selected{background:var(--green);color:white;border-color:var(--green)}.exercise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.exercise-card{background:white;border:1px solid var(--line);border-radius:14px;text-align:left;padding:24px}.exercise-card h3{margin:19px 0 8px;font-size:17px}.exercise-card p{color:#9ba28f;font-size:11px;min-height:38px}.exercise-card>.row:last-child{font-size:11px;color:#839676;border-top:1px solid #eef1e9;padding-top:17px;margin-top:18px}.practice-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;margin-top:20px}.practice-layout h1{font-size:25px;margin:18px 0}.practice-layout aside>h2{margin-bottom:20px}.instructions{color:#697660;font-size:13px;line-height:2.1;padding:15px 0 25px}.rule-note{font-size:12px}.upload-label{padding:15px;border:1px dashed #cfd9c5;border-radius:9px;color:#819173}.upload-label input{border:0;padding:0;font-size:12px}.draft-note{margin-left:12px;font-size:10px}.submission{padding:22px;background:white;border:1px solid var(--line);border-radius:13px;margin-bottom:16px;overflow-wrap:anywhere}.submission>.row{align-items:flex-start}.submission>.row b{font-size:12px}.submission>.row b span{display:block;font-size:10px;margin-top:4px}.submission>p{font-size:13px;line-height:1.95;margin:17px 0}.feedback{background:#f0f4e9;border-radius:9px;padding:14px 16px;margin:16px 0 4px;font-size:12px}.feedback b{color:#6d8759}.feedback p{margin:7px 0}.feedback small{font-size:10px;color:#98a389}.submission-image{max-width:100%;max-height:250px;object-fit:contain;border-radius:8px;margin:5px 0}.audio-attachment small{display:block;color:#939d86}.audio-attachment audio{width:100%;margin:7px 0}.submitted-state{background:#eff4e8;border-radius:10px;padding:20px;font-size:13px}.submitted-state p{color:#87967b;font-size:12px}.question-list{max-width:850px}.question-card{background:white;border:1px solid var(--line);border-radius:15px;padding:27px;margin-bottom:22px}.question-card h3{margin:14px 0}.message{padding:12px 0;border-bottom:1px solid #f0f2ed}.message>b{font-size:11px;color:#97a08b}.message small{font-weight:400;margin-left:10px;font-size:10px}.message p{font-size:13px;line-height:1.9}.message.teacher{background:#f3f6ee;padding:14px 18px;border-radius:9px;margin:12px 0}.message.teacher>b{color:#6c8459}.reply-form{display:flex;gap:12px;margin:20px 0 8px}.reply-form input{font-size:12px}.reply-form button{flex:none}.growth-banner{display:flex;align-items:center;gap:34px;background:#ecefdf;border:1px solid #e0e6d1;border-radius:18px;padding:32px;margin-bottom:28px}.growth-banner h2{margin:9px 0;font-family:"SimSun",serif;font-size:25px}.growth-banner p{font-size:12px;color:#91a17b}.medal{width:110px;height:125px;background:#e4e7d8;clip-path:polygon(50% 0,94% 24%,94% 74%,50% 100%,6% 74%,6% 24%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#a3ad8c;flex:none}.medal>span{font-size:42px;line-height:1.3}.medal>small{font-size:11px;letter-spacing:2px}.medal.earned{background:#e5d5a4;color:#8b7940}.growth-columns{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.checklist-row{display:flex;justify-content:space-between;align-items:center;gap:18px;width:100%;border:0;border-bottom:1px solid var(--line);padding:18px 0;background:none;text-align:left;font-size:13px}.checklist-row b{font-size:12px;color:#8ca175;white-space:nowrap}.profile-info dl{display:grid;grid-template-columns:90px 1fr;gap:24px;font-size:13px;margin:30px 0}.profile-info dt{color:#99a18e}.profile-info dd{margin:0;overflow-wrap:anywhere}.notification{border-bottom:1px solid var(--line);padding:14px 0;font-size:13px}.notification small{color:#99a18e}
/* Instructor */
.admin-header{display:flex;align-items:center;justify-content:space-between;padding:22px 4%;border-bottom:1px solid var(--line);background:#fff}.admin-header>div{display:flex;align-items:center;gap:20px}.admin-label{font-size:12px;color:#91a07f;border-right:1px solid var(--line);padding-right:20px}.admin-main{max-width:1180px;margin:auto;padding:36px 28px 70px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:28px 0}.admin-stats>div{border:1px solid var(--line);padding:20px 25px;border-radius:12px;background:white}.admin-stats strong{font-size:29px;display:block}.admin-stats span{font-size:11px;color:#99a18d}.admin-tabs{display:flex;gap:10px;margin:30px 0}.admin-tabs .chip span{padding-left:7px}.table-scroll{overflow-x:auto;width:100%}table{width:100%;border-collapse:collapse;text-align:left}th{font-size:12px;color:#8e9b81;font-weight:500;background:#f6f8f1}td,th{padding:15px;border:1px solid #e7ecdf}td{font-size:13px}.students td,.students th{border:0;border-bottom:1px solid #e8ece2;padding:19px 12px}.students td small{display:block;font-size:11px;color:#98a18c;margin-top:5px;max-width:200px}.students td.actions{white-space:nowrap}.section-title input{max-width:270px;font-size:12px}.manage-row{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line);gap:20px}.manage-row b{font-size:13px}.manage-row small{display:block;color:#98a18a;font-size:11px;margin-top:5px}.content-chapter{border-bottom:1px solid var(--line);padding:20px 0}.content-chapter summary{cursor:pointer;font-size:14px}.replay-form{display:flex;align-items:flex-end;gap:14px;margin:15px 0}.replay-form label{flex:1;margin-top:0;font-size:12px}.replay-form input{font-size:12px}.replay-form button{flex:none}.review-item>.row>span{font-size:12px;color:#8c9980}.review-item .submission{background:#fafbf6;margin-top:20px;border-color:#eef1e7}.filter-row label{display:flex;align-items:center;gap:16px;margin:0}.filter-row select{width:auto;margin:0;min-width:160px}
@media(min-width:1500px){.content{padding-top:43px}.home-columns{grid-template-columns:1fr 330px}.welcome-hero{min-height:300px}.hero-art{margin-right:70px}.welcome-hero h2{font-size:45px}}
@media(max-width:1200px){.sidebar{width:200px;padding:30px 14px}.sidebar .brand img{width:33px}.sidebar .brand span{font-size:17px}.main-area{margin-left:200px;width:calc(100% - 200px)}.content{padding:28px}.topbar{padding:0 28px}.home-columns{grid-template-columns:1fr 255px;gap:18px}.stats-grid{gap:12px}.stat{padding:16px 13px;gap:10px}.stat strong{font-size:19px}.mini-ring{display:none}.chapter-card{padding:18px}.hero-art{margin-right:-10px;transform:scale(.9);transform-origin:right center}.exercise-grid{grid-template-columns:1fr 1fr}.reader-layout{grid-template-columns:minmax(0,1fr) 225px}.reader{padding:26px}.practice-layout{grid-template-columns:1.3fr 1fr}.panel{padding:22px}}
@media(max-width:950px){.home-columns{grid-template-columns:1fr}.home-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}.home-side>.section-title{grid-column:1/-1;margin:0}.quote-card{margin:0}.reader-layout{grid-template-columns:1fr}.reader-aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}.reader-aside .outline{grid-column:1/-1}.practice-layout{grid-template-columns:1fr}.growth-columns{grid-template-columns:1fr}.welcome-hero{padding:25px}.hero-art{width:220px;transform:scale(.8);margin-right:-30px}.stats-grid{grid-template-columns:repeat(3,1fr)}.stat-symbol{display:none}.auth-copy{margin-top:85px}.auth-story{padding:30px}.auth-form{padding:35px}.pathline{gap:7px;font-size:9px}.pathline i{width:12px}}
@media(max-width:700px){body{font-size:14px}h1{font-size:25px}.sidebar{display:none}.main-area{margin:0;width:100%}.topbar{height:62px;padding:0 21px}.top-actions{gap:10px}.top-actions>.muted{display:none}.content{padding:24px 19px 105px}.page-heading{margin-bottom:22px}.page-heading h1{font-size:25px}.page-heading p{font-size:12px}.eyebrow{font-size:10px;letter-spacing:1.5px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;justify-content:space-around;background:#fafcf7f5;backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:20;padding:8px 4px max(9px,env(safe-area-inset-bottom))}.mobile-nav button{border:0;background:none;color:#9ba68e;font-size:10px;min-width:60px;padding:2px 6px}.mobile-nav button span{display:block;font-size:22px;line-height:1.4}.mobile-nav button.active{color:#435f36;font-weight:600}.welcome-hero{min-height:272px;padding:26px 24px}.welcome-hero h2{font-size:35px}.welcome-hero p{font-size:12px;position:relative;z-index:2}.hero-art{position:absolute;right:-28px;top:25px;width:200px;height:240px;opacity:.62;transform:scale(.75);transform-origin:right center}.hero-art>span{display:none}.hero-note{font-size:9px;max-width:200px}.welcome-hero .cream{font-size:12px;padding:9px 16px;min-height:39px}.stats-grid{gap:9px;margin:16px 0 27px}.stat{padding:14px 9px;border-radius:10px}.stat small{font-size:9px}.stat strong{font-size:20px;line-height:1.5}.stat em{font-size:9px;display:block}.home-columns{gap:23px}.chapter-grid{gap:12px}.chapter-card{min-height:209px;padding:15px}.chapter-top{font-size:9px}.chapter-card h3{font-size:14px;min-height:48px}.chapter-card p{font-size:9px;line-height:1.7}.chapter-card .row{font-size:8px;gap:3px}.home-side{grid-template-columns:1fr}.quote-card{display:none}.section-title h2{font-size:17px}.curriculum-section{padding:21px 16px}.curriculum-section .section-title{align-items:flex-start}.curriculum-section .section-title h2{font-size:18px}.curriculum-section .section-title>.muted{font-size:10px;white-space:nowrap}.topic-row{gap:10px;font-size:12px;padding:16px 0}.topic-row small{font-size:9px}.topic-index{font-size:15px;width:20px}.topic-row>span:last-child{display:none}.reader{padding:23px 19px}.reader h1{font-size:24px}.reader-meta{padding-bottom:18px}.material-body p{font-size:14px;line-height:2}.material-body h3{font-size:17px}.reader-aside{grid-template-columns:1fr;gap:0}.reader-footer button{font-size:12px;padding:10px 14px}.exercise-grid{grid-template-columns:1fr}.exercise-card{padding:22px}.filter-row{gap:7px}.chip{padding:8px 12px;font-size:11px}.practice-layout .panel{padding:22px 18px}.practice-layout h1{font-size:23px}.instructions{font-size:13px}.draft-note{display:block;margin:12px 0 0}.question-card{padding:21px 18px}.question-card .row{align-items:flex-start;gap:8px}.question-card .tag{max-width:75%;white-space:normal}.reply-form{gap:7px}.reply-form button{padding:8px 14px}.growth-banner{padding:25px 18px;gap:20px}.medal{width:80px;height:98px}.medal>span{font-size:32px}.medal small{font-size:9px}.growth-banner h2{font-size:20px}.growth-banner p{font-size:10px}.checklist-row{font-size:12px}.auth-layout{display:block}.auth-story{min-height:260px;padding:22px 27px}.auth-copy{margin-top:27px}.auth-copy>.eyebrow,.auth-copy>p,.pathline,.auth-caption{display:none}.auth-copy h1{font-size:30px;line-height:1.6;margin:12px 0}.auth-story .brand img{width:32px}.auth-story .brand span{font-size:17px}.auth-story .brand small{font-size:8px}.landscape{width:55%;left:auto;height:185px;opacity:.65}.sun{width:62px;height:62px;top:20px}.hill{height:170px}.hill.one{bottom:-90px}.hill.two{bottom:-100px}.hill.three{bottom:-160px}.auth-form{padding:34px 28px 70px;min-height:calc(100vh - 260px);justify-content:flex-start}.auth-box{max-width:440px}.auth-box h2{font-size:24px}.auth-footer{position:static;font-size:10px;margin-top:25px}.auth-switch{margin-top:18px}.onboard header{padding:20px}.onboard header .brand span{font-size:17px}.onboard-content{margin-top:20px;padding:0 20px}.onboard-content h1{font-size:26px}.steps{gap:12px;flex-wrap:wrap;justify-content:flex-start;font-size:10px;margin:24px 0}.enroll-card{padding:25px 23px}.admin-header{padding:20px}.admin-header .brand span{font-size:17px}.admin-header .brand img{width:34px}.admin-header>div{gap:7px}.admin-label{display:none}.admin-main{padding:25px 18px}.admin-stats{grid-template-columns:1fr 1fr;gap:12px}.admin-stats>div{padding:15px 20px}.admin-stats strong{font-size:25px}.admin-tabs{gap:5px;justify-content:space-between}.admin-tabs .chip{padding:8px 10px}.admin-main .panel{padding:20px 16px}.admin-main .section-title{flex-wrap:wrap}.section-title input{max-width:100%}.students{min-width:740px}.manage-row{gap:10px}.manage-row b{font-size:12px}.manage-row small{font-size:10px}.replay-form{gap:8px}.replay-form button{font-size:12px;padding:9px 13px}.review-item>.row{align-items:flex-start}.review-item>.row>span{font-size:10px;max-width:45%}.review-item h3{font-size:15px}.review-item .submission{padding:16px}.notice{font-size:12px}.reply-form input{padding:10px}dialog{padding:20px;max-height:88vh}#toast{bottom:88px;font-size:12px;width:max-content;max-width:90vw}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.practice-mode{display:inline-flex;gap:4px;padding:4px;background:#e9eee3;border-radius:10px;margin:0 0 27px}.practice-mode button{border:0;border-radius:7px;padding:9px 24px;background:none;color:#89977b;font-size:13px}.practice-mode button.selected{background:white;color:#405b34;box-shadow:0 2px 6px #253c1b09}.practice-mode span{font-size:10px;margin-left:5px}.visibility-note{font-size:12px;color:#71845f;line-height:1.9;background:#f1f5eb;border-radius:8px;padding:12px 15px;margin-top:17px}.community-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:20px 0}.community-toolbar select{width:270px;font-size:12px}.community-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.peer-card{border:1px solid var(--line);border-radius:15px;background:white;overflow:hidden}.peer-heading{display:flex;gap:12px;align-items:center;padding:22px 22px 0}.peer-heading b{font-size:13px}.peer-heading small{display:block;font-size:11px;color:#96a08b;margin-top:3px}.peer-card .submission{border:0;margin:0;border-radius:0}.peer-card .submission>.row b{font-size:11px}.peer-card .submission p{overflow-wrap:anywhere}@media(max-width:850px){.community-grid{grid-template-columns:1fr}}@media(max-width:700px){.practice-mode{display:flex}.practice-mode button{flex:1;padding:9px 15px}.community-toolbar select{width:200px}.community-grid{gap:16px}}

.visibility-options{border:1px solid #dfe6d7;border-radius:10px;padding:14px 18px;margin:22px 0}.visibility-options legend{padding:0 6px;font-size:12px;color:#788c68}.visibility-options label{display:flex;align-items:center;gap:9px;margin:7px 0;font-size:12px}.visibility-options input{width:16px;height:16px;margin:0;accent-color:var(--green)}.visibility-options .hint{margin:10px 0 0}.submission-visibility{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:17px;padding-top:12px;border-top:1px solid var(--line);font-size:10px;color:#95a186}.submission-visibility .text{font-size:10px}
.content-topic{border-top:1px solid var(--line);padding:12px 0}.content-topic .manage-row{border:0}.content-topic .manage-row>div{min-width:0;overflow-wrap:anywhere}.content-topic .manage-row>button{flex-shrink:0}.content-chapter-actions{padding:16px 0}.content-editor{width:min(960px,94vw);max-width:94vw;max-height:92vh}.edit-block{border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0;background:#fafbf8}.edit-block-head,.block-controls,.editor-actions,.editor-footer{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.edit-block-head{justify-content:space-between;margin-bottom:14px}.block-controls button{padding:5px 10px;min-height:32px}.editor-actions{margin:16px 0}.editor-footer{position:sticky;bottom:-1px;background:#fff;padding:16px 0;border-top:1px solid var(--line);z-index:2}.editor-image{max-width:100%;max-height:300px;object-fit:contain;display:block;margin:auto}.edit-table textarea{min-width:130px;margin:0}.edit-table td{padding:6px}.editor-preview{border:0;box-shadow:none;padding:20px 0}.material-body p,.material-body h3,.material-body td,.material-body th{white-space:pre-wrap}.content-editor h1,.content-editor h2{overflow-wrap:anywhere}@media(max-width:700px){.content-editor{padding:18px}.edit-block{padding:12px}.editor-footer{gap:6px}.editor-footer button{padding:10px;font-size:12px}.edit-block-head{align-items:flex-start}.content-topic .manage-row{align-items:flex-start}}
.password-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.admin-tabs{flex-wrap:wrap}

.submission-notes{margin:16px 0;padding:14px;background:var(--bg,#f5f5f0);border-radius:10px;overflow-wrap:anywhere}.submission-notes a{text-decoration:underline;overflow-wrap:anywhere}#upload-progress{overflow-wrap:anywhere}