:root{--bg:#f8f7f2;--card:#fff;--primary:#245b47;--ink:#233e34;--muted:#718078;--sage:#eaf1e8;--line:#e4e9e0;--amber:#d5984d;--amber-pale:#fcf3e4;--negative:#ad6a56;--negative-pale:#faefeb;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button,a,input,select,textarea{touch-action:manipulation}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #a7c6b7;outline-offset:2px}button{transition:background .14s,border-color .14s,color .14s}a{color:var(--primary)}.icon{width:19px;height:19px;flex-shrink:0}.muted{color:var(--muted)}.small{font-size:12px}.positive{color:var(--primary)}.negative{color:var(--negative)}.number{font-variant-numeric:tabular-nums}.boot{padding:100px 24px;text-align:center;color:var(--muted)}h1,h2,h3,p{margin:0}h1{font-size:27px;line-height:1.4;font-weight:650;letter-spacing:-.8px}h2{font-size:18px;font-weight:600}h3{font-size:15px;font-weight:600}p{line-height:1.75}.gap{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack{display:flex;flex-direction:column;gap:18px}.btn{border:1px solid var(--line);background:white;padding:10px 15px;border-radius:10px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;font-weight:500}.btn:hover{background:var(--bg);border-color:#c4d1c3}.btn.primary{color:white;background:var(--primary);border-color:var(--primary)}.btn.primary:hover{background:#194b38}.btn.soft{background:var(--sage);border-color:var(--sage);color:var(--primary)}.btn.danger{background:var(--negative-pale);color:var(--negative);border-color:var(--negative-pale)}.btn.compact{padding:6px 10px;min-height:32px;font-size:12px}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:white;display:inline-flex;align-items:center;justify-content:center}.badge{display:inline-flex;align-items:center;gap:5px;border-radius:6px;background:var(--sage);color:var(--primary);font-size:11px;padding:4px 7px}.badge.amber{background:var(--amber-pale);color:#936022}.badge.muted{background:var(--bg);color:var(--muted)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{height:40px;width:40px;border-radius:12px;background:var(--primary);color:white;display:grid;place-items:center}.brand-mark .icon{height:23px;width:23px}.brand-title{font-size:17px;font-weight:650;letter-spacing:-.4px}.brand-sub{font-size:10px;color:var(--muted);letter-spacing:1px;margin-top:4px}.sidebar{width:224px;position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid var(--line);z-index:20;display:flex;flex-direction:column}.sidebar .brand{padding:29px 22px 27px}.sidebar nav{padding:10px 14px;display:flex;flex-direction:column;gap:5px}.nav-label{font-size:10px;color:#9aa59e;padding:8px 12px 12px;letter-spacing:1.5px}.nav-btn{border:0;display:flex;gap:12px;align-items:center;min-height:45px;padding:12px 15px;border-radius:10px;background:transparent;color:var(--muted);text-align:left}.nav-btn:hover{background:var(--bg);color:var(--ink)}.nav-btn.active{background:var(--sage);color:var(--primary);font-weight:600}.nav-btn.active:after{content:"";width:5px;height:5px;background:var(--primary);border-radius:50%;margin-left:auto}.sidebar-foot{margin-top:auto;padding:20px 25px 24px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}.tiny-leaf{color:var(--amber)}.workspace{margin-left:224px;min-height:100vh}.topbar{height:76px;border-bottom:1px solid var(--line);padding:0 32px;display:flex;align-items:center;justify-content:space-between;background:var(--bg)}.top-class{font-weight:600;font-size:14px}.top-class .icon{color:var(--primary)}.top-date{font-size:12px;color:var(--muted);margin-left:14px;padding-left:14px;border-left:1px solid var(--line)}.teacher-badge{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--sage);color:var(--primary);font-size:12px;font-weight:600}.sync{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:6px}.sync-dot{height:6px;width:6px;background:#6ca47f;border-radius:50%}.sync.failed .sync-dot{background:var(--negative)}.page{max-width:1520px;padding:28px 32px 90px;margin:auto}.page-heading{margin-bottom:24px}.eyebrow{font-size:11px;color:var(--muted);margin-bottom:8px;letter-spacing:1px}.page-heading p{margin-top:7px;color:var(--muted);font-size:12px}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.summary{padding:17px 19px;background:var(--card);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;gap:13px}.summary-label{color:var(--muted);font-size:11px;display:flex;justify-content:space-between;align-items:center}.summary-label .icon{width:15px;height:15px;color:#91a899}.summary strong{font-size:26px;line-height:1;font-weight:600;letter-spacing:-.5px}.summary strong small{font-size:11px;font-weight:400;margin-left:7px;color:var(--muted)}.panel{border:1px solid var(--line);border-radius:14px;background:white;padding:21px}.panel-heading{margin-bottom:18px}.notice{display:flex;gap:10px;align-items:flex-start;background:var(--sage);color:var(--primary);padding:13px 15px;border-radius:10px;font-size:12px;line-height:1.7}.notice.amber{background:var(--amber-pale);color:#8d6a3b}.notice .icon{width:16px;height:16px;margin-top:3px}.score-layout{display:grid;grid-template-columns:minmax(0,1fr) 282px;gap:22px}.module-tabs{display:flex;gap:0;overflow-x:auto;white-space:nowrap;border-bottom:1px solid var(--line);margin:0 -21px 18px;padding:0 13px}.module-tab{background:transparent;border:0;border-bottom:2px solid transparent;color:var(--muted);padding:10px 15px 16px;font-size:13px;display:flex;align-items:center;gap:7px}.module-tab .icon{width:16px;height:16px}.module-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.chips{display:flex;gap:9px;flex-wrap:wrap}.chip{border:1px solid var(--line);border-radius:8px;background:white;display:flex;align-items:center;gap:10px;padding:9px 12px;min-height:38px;font-size:12px}.chip.selected{background:var(--sage);border-color:#9abbac;color:var(--primary)}.chip.negative.selected{background:var(--negative-pale);border-color:#d9b3a6}.chip b{font-weight:600}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 17px}.toolbar .grow{flex:1;min-width:150px}.search-field{position:relative}.search-field .icon{position:absolute;left:12px;top:12px;color:var(--muted);height:17px;width:17px}.search-field input{padding-left:38px}input,select,textarea{border:1px solid var(--line);background:white;padding:10px 12px;border-radius:9px;min-height:42px;width:100%}input[type=checkbox]{width:17px;min-height:17px;accent-color:var(--primary)}select{cursor:pointer}textarea{resize:vertical;line-height:1.8;min-height:100px}input::placeholder,textarea::placeholder{color:#a1aaa3}.toolbar select{width:auto;max-width:150px}.toolbar input[type=date]{width:auto}.field{display:flex;flex-direction:column;gap:7px;font-size:12px}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.field.full{grid-column:1/-1}.field label{font-weight:500}.field-hint{font-size:11px;color:var(--muted);line-height:1.6}.student-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.student-card{border:1px solid var(--line);background:white;border-radius:12px;padding:16px;min-height:119px;text-align:left;position:relative}.student-card:hover{border-color:#9bbb9b;background:#fbfcf8}.student-card.selected{border-color:var(--primary);background:var(--sage);box-shadow:inset 0 0 0 1px var(--primary)}.student-card .check-circle{position:absolute;right:11px;top:11px;width:17px;height:17px;border:1px solid #d6ded5;border-radius:50%;display:grid;place-items:center;color:transparent}.student-card.selected .check-circle{background:var(--primary);color:white;border-color:var(--primary)}.check-circle .icon{width:12px;height:12px}.student-avatar{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:#eff3eb;color:#5c785e;font-size:11px;font-weight:600;margin-bottom:10px}.student-card:nth-child(4n+2) .student-avatar{background:#fbf1e2;color:#ac8145}.student-card:nth-child(4n+3) .student-avatar{background:#eef1f6;color:#72849c}.student-name{font-size:14px;font-weight:600;display:block;margin-bottom:12px}.student-foot{display:flex;gap:6px;align-items:end;justify-content:space-between;font-size:10px;color:var(--muted)}.student-foot strong{color:var(--primary);font-size:13px;font-weight:600}.selection-bar{margin-top:19px;padding:15px;border:1px solid #d6e4d4;background:#f1f5ed;border-radius:11px;display:flex;justify-content:space-between;align-items:center;gap:12px}.selection-bar b{color:var(--primary)}.selection-bar .btn{min-height:40px}.recent-card{padding:21px 19px}.recent-item{display:flex;align-items:start;gap:10px;padding:15px 0;border-bottom:1px solid #edf0e9}.recent-item:last-child{border:0}.recent-item .recent-icon{width:31px;height:31px;background:var(--sage);border-radius:9px;display:grid;place-items:center;color:var(--primary)}.recent-item .recent-icon.negative{background:var(--negative-pale);color:var(--negative)}.recent-item p{font-size:12px;line-height:1.5}.recent-item small{font-size:10px;color:var(--muted);display:block;margin-top:5px}.recent-item strong{font-size:12px;margin-left:auto}.link-btn{border:0;background:none;color:var(--primary);font-size:12px;display:inline-flex;gap:5px;align-items:center;padding:6px 0}.side-note{padding:20px 8px;color:var(--muted);font-size:11px;line-height:1.9}.side-note .icon{color:var(--amber);margin-bottom:6px}.text-score{margin-top:22px}.text-score textarea{font-size:12px;min-height:90px}.empty{padding:45px 22px;text-align:center;color:var(--muted);line-height:1.9}.empty .icon{width:38px;height:38px;color:#9aae98;margin-bottom:12px}.empty h3{color:var(--ink);margin-bottom:8px}.empty .btn{margin-top:18px}.table-wrap{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;text-align:left;font-size:12px;white-space:nowrap}.data-table th{padding:12px 11px;color:var(--muted);font-size:11px;font-weight:500;background:#f7f9f4;border-bottom:1px solid var(--line)}.data-table td{padding:14px 11px;border-bottom:1px solid #eef0e9}.data-table tr:last-child td{border-bottom:0}.data-table tr.revoked{color:#a0aaa2}.table-name{font-weight:600}.cell-sub{color:var(--muted);font-size:10px;margin-top:4px}.row-actions{display:flex;gap:6px}.pagination{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.three-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.reward-card{padding:22px;border:1px solid var(--line);border-radius:12px;position:relative;background:#fff}.reward-illustration{height:59px;width:59px;border-radius:15px;display:grid;place-items:center;background:var(--amber-pale);color:var(--amber);margin-bottom:16px}.reward-illustration .icon{width:29px;height:29px}.reward-card p{font-size:12px;color:var(--muted);margin:8px 0 18px}.reward-card .btn{width:100%}.reward-tools{position:absolute;right:14px;top:14px}.bar-row{display:flex;align-items:center;gap:12px;margin:16px 0;font-size:12px}.bar-label{width:75px;flex-shrink:0}.bar-track{background:#f0f3eb;flex:1;border-radius:4px;overflow:hidden;height:8px}.bar-fill{height:100%;background:#80a587;border-radius:4px}.bar-row:first-child .bar-fill{background:var(--primary)}.settings-section{margin-top:22px}.report-box{min-height:300px;line-height:2;white-space:pre-wrap;font-size:14px;padding:23px;background:#fbfcf8}.login-layout{min-height:100svh;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;max-width:1050px;margin:auto;padding:50px 40px;gap:90px}.login-copy h1{font-size:43px;letter-spacing:-2px;line-height:1.45;margin:25px 0 20px}.login-copy h1 span{color:var(--primary)}.login-copy p{color:var(--muted);max-width:360px}.login-features{display:flex;gap:20px;flex-wrap:wrap;margin:30px 0;color:var(--primary);font-size:12px}.login-features div{display:flex;gap:6px;align-items:center}.login-features .icon{width:15px;height:15px}.login-card{padding:35px;border:1px solid var(--line);border-radius:18px;background:white}.login-card h2{font-size:22px;margin-bottom:9px}.login-card p{margin-bottom:28px;font-size:12px;color:var(--muted)}.login-card .btn{width:100%;margin-top:17px}.login-foot{font-size:11px;color:var(--muted);text-align:center;margin-top:22px;line-height:1.9}.form-error{font-size:12px;color:var(--negative);line-height:1.7;margin-top:12px}.login-note{margin-top:40px;font-size:11px;color:#97a196}.mobile-nav{display:none}dialog{border:1px solid var(--line);border-radius:17px;padding:25px;width:min(520px,calc(100% - 28px));max-height:85svh;overflow:auto;color:var(--ink);box-shadow:0 24px 90px #13342326}dialog::backdrop{background:#1d332b50;backdrop-filter:blur(2px)}.dialog-head{margin-bottom:22px;display:flex;justify-content:space-between;align-items:center;gap:10px}.dialog-head h2{font-size:18px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.preview-list{max-height:250px;overflow:auto;background:var(--bg);padding:12px;border-radius:10px;font-size:12px;line-height:2;margin-top:14px}.form-error:empty{display:none}#toast{position:fixed;bottom:24px;left:calc(50% + 100px);transform:translate(-50%,20px);z-index:80;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px #233e3415;background:var(--primary);color:white;padding:13px 19px;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;max-width:calc(100vw - 28px);font-size:13px;line-height:1.7}#toast.show{opacity:1;transform:translate(-50%,0)}#toast.error{background:#935d4a}.loading{color:var(--muted);padding:40px;text-align:center}.spacer{flex:1}.hide{display:none!important}hr{border:0;border-top:1px solid var(--line);margin:20px 0}.mobile-class{display:none}
@media(min-width:1600px){.page{max-width:1400px}.student-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:1230px){.score-layout{grid-template-columns:minmax(0,1fr) 245px}.student-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.page{padding-left:24px;padding-right:24px}.sidebar{width:205px}.workspace{margin-left:205px}.sidebar .brand{padding-left:18px;padding-right:18px}.topbar{padding:0 24px}}
@media(max-width:1020px){.score-layout{grid-template-columns:1fr}.score-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}.student-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.summary-grid{gap:10px}.summary{padding:15px}.top-date{display:none}.three-columns{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){h1{font-size:25px}.sidebar{display:none}.workspace{margin-left:0}.topbar{height:65px;padding:0 19px}.topbar .teacher-name,.topbar .desktop-only{display:none}.top-class{font-size:14px}.topbar .gap{gap:8px}.sync{font-size:10px}.page{padding:22px 17px 120px}.page-heading{margin-bottom:20px}.page-heading p{max-width:285px}.page-heading>.btn{padding:9px 11px;font-size:12px}.summary-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:19px}.summary{padding:14px 15px;gap:11px}.summary strong{font-size:23px}.summary-label{font-size:10px}.panel{padding:16px}.module-tabs{margin-left:-16px;margin-right:-16px;padding:0 6px;gap:0}.module-tab{padding:9px 10px 13px;font-size:12px}.module-tab .icon{width:14px;height:14px}.chips{gap:7px}.chip{font-size:11px;padding:8px 10px;gap:7px;min-height:37px}.toolbar{gap:8px;margin-bottom:14px}.toolbar .grow{flex-basis:calc(100% - 150px);min-width:130px}.toolbar select{max-width:135px}.toolbar input[type=date]{max-width:158px;font-size:12px;min-width:0}.toolbar .btn{padding-left:11px;padding-right:11px;font-size:12px}.student-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.student-card{padding:14px;min-height:114px}.student-name{font-size:14px}.selection-bar{position:sticky;bottom:79px;z-index:10;padding:12px;margin-top:14px;box-shadow:0 3px 16px #233e340b}.selection-bar .small{font-size:11px}.selection-bar .btn{font-size:12px;padding:9px 12px}.score-side{display:block}.side-note{padding:15px 4px}.score-layout{gap:18px}.two-columns{grid-template-columns:1fr;gap:18px}.three-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.reward-card{padding:16px}.reward-card h3{font-size:13px}.reward-card .btn{font-size:11px;padding:9px 10px}.reward-tools{right:9px;top:9px}.reward-illustration{width:48px;height:48px}.fields{gap:13px}.data-table td{padding:13px 9px}.data-table th{padding:11px 9px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:#fffffff5;backdrop-filter:blur(10px);border-top:1px solid var(--line);z-index:30;padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr)}.mobile-nav button{background:transparent;border:0;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:5px;padding:7px;font-size:10px;border-radius:9px}.mobile-nav button.active{color:var(--primary);background:var(--sage)}.mobile-nav .icon{width:20px;height:20px}.login-layout{display:flex;flex-direction:column;gap:24px;align-items:stretch;padding:32px 23px;max-width:450px}.login-copy .brand{margin-bottom:25px}.login-copy h1{font-size:33px;margin:10px 0 12px;letter-spacing:-1.4px}.login-copy p{font-size:12px;max-width:330px}.login-features{margin:19px 0 0;gap:14px;font-size:11px}.login-card{padding:25px}.login-note{display:none}.login-foot{margin-top:17px}#toast{left:50%;bottom:91px}.page-heading .desktop-only{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Keep confirmation within reach while scrolling a full class roster. */
.grade-value.muted{color:var(--muted)}
.grade-preview{display:block}
#grade-assessment{width:100%;max-width:none}
.grade-rule-strip{display:flex;gap:8px;flex-wrap:wrap}.grade-value{display:block;font-size:24px;font-weight:600;line-height:1.4;margin-bottom:14px;color:var(--primary)}.grade-value small{font-size:11px;font-weight:400}.grade-card .student-name{text-decoration:underline;text-decoration-color:#b4c9b9;text-underline-offset:4px}.grade-card{min-height:162px}.grade-history{margin-top:19px;font-size:12px}.grade-history summary{cursor:pointer;color:var(--primary);padding:8px 0}.grade-history-row{padding:12px 0;border-top:1px solid var(--line);line-height:1.8}.grade-history-row small{color:var(--muted);display:block}.grade-preview{margin-top:15px}.grade-preview strong{font-size:22px;margin:0 5px}
:root{--sidebar-width:224px;--page-gutter:32px;--page-max:1520px;--score-side-width:282px;--score-column-gap:22px}
.selection-bar{position:fixed;left:calc(var(--sidebar-width) + max(var(--page-gutter),(100vw - var(--sidebar-width) - var(--page-max))/2 + var(--page-gutter)));right:calc(max(var(--page-gutter),(100vw - var(--sidebar-width) - var(--page-max))/2 + var(--page-gutter)) + var(--score-side-width) + var(--score-column-gap));bottom:18px;z-index:25;margin:0;box-shadow:0 5px 24px #233e341a}
.selection-bar>div{min-width:0;line-height:1.8}
.score-layout>.stack,.score-side,.panel{min-width:0}
#toast{bottom:110px}
@media(min-width:1600px){:root{--page-max:1400px}}
@media(max-width:1230px){:root{--sidebar-width:205px;--page-gutter:24px;--score-side-width:245px}}
@media(max-width:1020px){:root{--score-side-width:0px;--score-column-gap:0px}}
@media(max-width:760px){:root{--sidebar-width:0px;--page-gutter:17px}.selection-bar{bottom:calc(79px + env(safe-area-inset-bottom));padding:12px;gap:10px}.selection-bar .small.muted{display:block;margin-left:0!important}.page{padding-bottom:190px}#toast{bottom:calc(170px + env(safe-area-inset-bottom))}}