.class-bar{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;color:var(--muted)}.class-bar strong{color:var(--gold);font-weight:500}.class-bar .text-btn{padding:0}.class-bar-right{display:flex;align-items:center;gap:15px}.demo-dot{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;margin-right:7px}.class-nav-hidden .nav{visibility:hidden;pointer-events:none}.login-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:90px;align-items:center;min-height:650px;padding:50px 0}.login-copy h1{font:500 45px/1.65 var(--serif);letter-spacing:3px;margin:20px 0}.login-copy h1 span{display:block;color:var(--gold)}.login-copy>p{color:var(--muted);font-size:14px;line-height:2}.login-notes{display:flex;gap:28px;margin-top:40px}.login-note strong{font:500 29px var(--serif);color:var(--gold);display:block}.login-note small{color:var(--muted);font-size:11px;display:block;margin-top:7px}.login-panel{background:linear-gradient(145deg,#1e2c40,#172335);border:1px solid var(--line);border-radius:23px;padding:30px}.login-panel h2{font:600 25px var(--serif);margin:16px 0 8px;letter-spacing:2px}.login-panel>p{color:var(--muted);font-size:12px;margin:0 0 22px}.field{display:block;font-size:12px;color:#b6c3d2;margin:14px 0}.field input,.field select{display:block;width:100%;margin-top:7px;border:1px solid #3a4b64;background:#111d2f;border-radius:9px;padding:12px 13px;color:var(--text)}.field input::placeholder{color:#a0afc0}.wide{width:100%}.login-panel .primary{margin-top:10px;min-height:46px}.login-error{color:var(--red);font-size:12px;min-height:22px;margin:12px 0 0}.demo-entry{border-top:1px solid var(--line);padding-top:19px;margin-top:21px}.demo-entry p{font-size:11px;color:var(--muted);margin:0 0 12px}.demo-entry .secondary{width:100%;margin-top:10px}.demo-entry .field{margin:8px 0}.login-note-foot{font-size:10px;color:var(--muted);text-align:center;margin-top:17px}.loading-box{padding:80px 20px;text-align:center;color:var(--muted)}.class-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:22px;margin:10px 0 28px}.class-heading h1{font:500 36px/1.6 var(--serif);letter-spacing:2px;margin:10px 0 7px}.class-heading p{font-size:12px;color:var(--muted);margin:0}.week-control{display:flex;gap:9px;align-items:center;flex-shrink:0}.week-control select{font-size:12px;max-width:185px}.week-control .icon-btn{border-radius:10px;width:40px;height:42px}.class-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:25px 0 24px}.class-stat{border:1px solid var(--line);border-radius:15px;background:#182435b3;padding:19px 21px}.class-stat-label{font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center}.class-stat-label .icon{width:16px;height:16px;color:var(--gold)}.class-stat strong{font:500 30px/1.5 var(--sans);display:block;margin-top:8px;letter-spacing:1px}.class-stat strong small{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;margin-left:5px}.class-stat p{font-size:10px;color:var(--muted);margin:3px 0 0}.gold-text{color:var(--gold)}.teacher-notice{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid #967a4b50;border-radius:12px;background:#b6985810;padding:13px 18px;font-size:12px;color:#d0c7b7;margin-bottom:27px}.teacher-notice .text-btn{color:var(--gold);white-space:nowrap}.teacher-toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}.teacher-toolbar .search{max-width:350px}.teacher-toolbar .secondary{white-space:nowrap}.teacher-toolbar-right{display:flex;gap:9px;align-items:center}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:17px;max-height:650px;background:#162233}.class-table{border-collapse:collapse;width:100%;min-width:830px;font-size:12px;text-align:left}.class-table th{background:#1e2b3e;color:var(--muted);font-size:10px;font-weight:400;position:sticky;top:0;z-index:2;padding:14px 14px;white-space:nowrap}.class-table td{padding:15px 14px;border-top:1px solid #2b394c88;white-space:nowrap;color:#c7d1de}.class-table tbody tr:hover{background:#edc37d05}.class-table th button{background:transparent;border:0;font:inherit;color:inherit;padding:0}.class-table th button.active{color:var(--gold)}.class-table .student-name{font-size:13px;color:var(--text);background:none;border:0;padding:0;text-decoration:underline;text-decoration-color:#5a667355;text-underline-offset:4px;text-align:left}.student-id{font-size:10px;color:var(--muted);display:block;margin-top:3px}.class-table .muted{color:#8f9daf}.class-table td.number{font-size:15px;color:var(--gold)}.table-caption{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);margin:13px 1px 0}.rank-switch{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:25px 0}.rank-tabs{display:flex;padding:5px;border-radius:12px;border:1px solid var(--line);background:#152132;gap:5px}.rank-tabs button{border:0;border-radius:8px;background:none;color:var(--muted);padding:9px 25px;font-size:13px}.rank-tabs button.active{color:#252d36;background:var(--gold);font-weight:600}.rank-rules{font-size:11px;color:var(--muted);position:relative}.rank-rules summary{cursor:pointer;list-style:none;color:#b7c5d5}.rank-rules p{position:absolute;right:0;top:24px;width:300px;z-index:5;background:#233147;border:1px solid #40516a;padding:17px 19px;line-height:1.9;border-radius:12px;box-shadow:0 15px 40px #0005;margin:0}.rank-explainer{font-size:12px;color:var(--muted);margin:-8px 0 23px;line-height:1.9}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:24px}.podium-card{padding:20px;border:1px solid var(--line);background:linear-gradient(145deg,#1d2c40,#182436);border-radius:17px;text-align:center;position:relative}.podium-card:first-child{background:linear-gradient(145deg,#3b3429,#202a36);border-color:#947b5066}.podium-medal{width:34px;height:34px;border-radius:50%;border:1px solid #6c788a66;color:#c9d3e0;display:grid;place-items:center;margin:0 auto 13px;font:600 15px var(--serif)}.podium-card:first-child .podium-medal{color:var(--gold);border-color:#af8e5266;background:#d4aa4810}.podium-card h2{font:500 19px/1.5 var(--serif);margin:6px 0;overflow-wrap:anywhere}.podium-card p{margin:3px 0;font-size:10px;color:var(--muted)}.podium-score{font-size:28px;color:var(--gold);margin-top:15px}.podium-score small{font-size:11px;color:var(--muted);margin-left:3px}.self-rank{background:#edc37d0b;border:1px solid #ad8e5250;padding:14px 19px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px;font-size:12px;color:#cbd4df}.self-rank strong{color:var(--gold);font-size:14px;font-weight:500}.rank-list{border:1px solid var(--line);border-radius:17px;overflow:hidden}.rank-list-head,.rank-row{display:grid;grid-template-columns:52px minmax(0,1fr) 110px 100px;align-items:center;gap:15px;padding:15px 22px}.rank-list-head{font-size:10px;color:var(--muted);background:#1c293c}.rank-row{border-top:1px solid #2b394c99;background:#172334;font-size:13px}.rank-row.me{background:#edc37d08}.rank-position{font:500 17px var(--sans);color:#b7c4d5}.rank-position.top{color:var(--gold)}.rank-person strong{font-weight:500;font-size:13px;display:block;overflow-wrap:anywhere}.rank-person small{font-size:10px;color:var(--muted)}.rank-value{text-align:right;color:var(--gold);font-size:17px}.rank-value small{font-size:10px;color:var(--muted);margin-left:3px}.rank-other{text-align:right;color:var(--muted);font-size:11px}.rank-list-head>:nth-child(3),.rank-list-head>:nth-child(4){text-align:right}.sync-button{border:0;background:none;color:var(--gold);font-size:11px;padding:0;cursor:pointer}.class-footer-note{margin-top:25px;font-size:11px;color:var(--muted);text-align:center}.detail-summary{display:flex;justify-content:space-between;align-items:center;gap:12px}.detail-actions{display:flex;gap:9px;flex-wrap:wrap}.detail-actions button{font-size:11px;padding:9px 13px}.detail-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;margin-top:25px}.detail-panel{background:#172334;border:1px solid var(--line);border-radius:16px;padding:23px}.detail-panel h2{font:500 20px var(--serif);margin:0 0 20px}.activity-bars{height:140px;display:flex;align-items:stretch;gap:12px}.activity-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;font-size:10px;color:var(--muted)}.activity-fill{width:min(100%,30px);background:linear-gradient(var(--gold),#a8894b);border-radius:5px 5px 2px 2px;min-height:3px}.activity-label{font-size:9px}.error-word{display:flex;align-items:center;justify-content:space-between;gap:13px;border-top:1px solid var(--line);padding:13px 0;font-size:12px}.error-word:first-of-type{border-top:0}.error-word strong{font:600 20px var(--serif);color:var(--gold)}.error-word .error-meaning{flex:1;color:#b6c4d5}.recent-list{display:grid;gap:0}.recent-item{border-bottom:1px solid var(--line);padding:13px 0;display:flex;gap:13px;align-items:flex-start;font-size:12px}.recent-item>.icon{width:16px;height:16px;margin-top:2px;color:var(--green)}.recent-item.wrong>.icon{color:var(--red)}.recent-item strong{color:var(--gold);font-weight:500}.recent-item small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.recent-item>span:nth-child(2){flex:1}.recent-time{font-size:10px;color:var(--muted);white-space:nowrap}.class-modal-output{padding:15px;border:1px solid var(--line);border-radius:10px;background:#111e2f;font-size:13px;overflow-wrap:anywhere}.class-modal-output code{color:var(--gold);font-size:18px}.class-modal-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.class-field-error{color:var(--red);font-size:12px;margin:8px 0}.provision-box{border:1px dashed #6f644b;padding:25px;border-radius:15px;color:var(--muted);text-align:center}.provision-box h2{color:var(--text);font:500 23px var(--serif)}.provision-box p{font-size:13px}.nav{gap:19px}.rank-empty{padding:30px 18px;color:var(--muted);text-align:center;font-size:13px}
@media(max-width:1000px){.login-layout{gap:35px;grid-template-columns:1fr 350px}.login-copy h1{font-size:38px}.class-stats{gap:10px}.class-stat{padding:17px}.class-heading h1{font-size:31px}.class-heading{align-items:flex-start}.week-control{margin-top:15px}.class-heading .eyebrow{font-size:10px}.teacher-toolbar{flex-wrap:wrap}.teacher-toolbar .search{max-width:none}.detail-layout{grid-template-columns:1fr}.nav{gap:16px}}
@media(max-width:650px){.class-bar{padding:10px 0;align-items:flex-start;font-size:10px}.class-bar-right{gap:8px;flex-shrink:0}.class-bar .class-bar-name{max-width:150px}.class-bar .text-btn{font-size:10px}.class-nav-hidden .nav{display:none}.class-nav-hidden .masthead{padding-bottom:19px;min-height:76px}.login-layout{grid-template-columns:1fr;gap:25px;min-height:0;padding:33px 0}.login-copy h1{font-size:33px;line-height:1.55;margin:12px 0}.login-copy>p{font-size:12px;margin-bottom:0}.login-notes{margin-top:22px;gap:27px}.login-note strong{font-size:24px}.login-note small{font-size:10px;margin-top:5px}.login-panel{padding:24px;border-radius:18px}.login-panel h2{font-size:22px;margin-top:12px}.login-copy .eyebrow{font-size:10px}.class-heading{flex-direction:column;gap:12px;margin:0 0 23px}.class-heading h1{font-size:29px;line-height:1.55;letter-spacing:1px;margin:11px 0 8px}.week-control{margin-top:0;width:100%;justify-content:flex-end}.week-control select{max-width:none;flex:1}.class-stats{grid-template-columns:repeat(2,1fr);gap:10px;margin:19px 0}.class-stat{padding:15px 17px;border-radius:13px}.class-stat strong{font-size:27px;margin-top:5px}.class-stat p{font-size:9px}.class-stat-label{font-size:10px}.teacher-notice{font-size:11px;padding:11px 13px;margin-bottom:23px;align-items:flex-start}.teacher-notice .text-btn{font-size:10px;padding:1px 0}.teacher-toolbar{gap:9px}.teacher-toolbar .search{flex-basis:100%}.teacher-toolbar-right{width:100%;justify-content:space-between}.teacher-toolbar-right select{font-size:11px;padding:9px 23px 9px 10px}.teacher-toolbar-right .secondary{font-size:11px;padding:9px 13px}.table-caption{font-size:9px;flex-wrap:wrap}.rank-switch{gap:12px;margin:18px 0}.rank-tabs{padding:4px;gap:4px}.rank-tabs button{padding:8px 18px;font-size:12px}.rank-rules{font-size:10px}.rank-rules p{width:265px}.rank-explainer{font-size:11px;margin-bottom:19px}.podium{gap:8px;margin-bottom:17px}.podium-card{padding:15px 8px;border-radius:13px}.podium-card h2{font-size:15px}.podium-card p{font-size:9px}.podium-score{font-size:23px;margin-top:12px}.podium-score small{font-size:9px}.podium-medal{width:29px;height:29px;font-size:13px;margin-bottom:9px}.self-rank{padding:12px 13px;font-size:10px;gap:8px;align-items:flex-start}.self-rank strong{font-size:12px;display:block}.rank-list-head,.rank-row{grid-template-columns:30px minmax(0,1fr) 70px 49px;gap:9px;padding:14px 12px}.rank-person strong{font-size:12px}.rank-person small{font-size:9px}.rank-position{font-size:15px}.rank-value{font-size:16px}.rank-value small{font-size:9px}.rank-other{font-size:10px}.rank-list-head{font-size:9px;padding-top:11px;padding-bottom:11px}.rank-other .tag{font-size:8px;padding:2px 4px}.detail-summary{align-items:flex-start}.detail-panel{padding:19px}.detail-panel h2{font-size:19px}.activity-bars{gap:8px}.error-word{font-size:11px}.recent-item{font-size:11px;gap:9px}.recent-time{font-size:9px}.class-heading .detail-actions{margin:0}.detail-actions button{font-size:10px;padding:8px 10px}.class-footer-note{font-size:10px}.nav{gap:12px;width:100%;justify-content:space-between}.nav-item{font-size:12px}.nav .icon-btn{width:24px}.masthead{min-height:87px}.rank-list{border-radius:13px}}
@media(max-width:380px){.nav{gap:6px}.nav-item{font-size:11px}.nav .icon-btn{width:20px}.nav-count{font-size:9px;margin-left:2px}.rank-tabs button{padding:7px 12px}.rank-list-head,.rank-row{grid-template-columns:23px minmax(0,1fr) 59px 43px;gap:7px;padding:12px 9px}.rank-person strong{font-size:11px}.rank-value{font-size:14px}.podium-card h2{font-size:13px}.class-heading h1{font-size:26px}.login-copy h1{font-size:30px}.login-panel{padding:20px}}