:root{color-scheme:light;--bg:#f8f6ff;--surface:#fff;--ink:#10102e;--text:#3e386d;--muted:#777095;--purple:#7543e3;--purple-dark:#552bb5;--border:#e6dffd;--strong:#43ac62;--medium:#ffd339;--weak:#ff6467;--shadow:0 2px 7px #6b47b20d,0 1px 3px #6b47b20a;--sidebar-width:272px;font-family:"Nunito Sans","Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a06aff;outline-offset:4px}input,select{min-width:0}button .icon{pointer-events:none}svg{display:block}.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.filled-icon{fill:currentColor;stroke-width:.7}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:12px;left:16px;z-index:100;background:#fff;border:2px solid var(--purple);padding:12px;border-radius:10px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}[hidden]{display:none!important}
.app-shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-width);background:radial-gradient(ellipse at 95% 70%,#8955ed88,transparent 40%),linear-gradient(154deg,#432a7e 5%,#44297e 40%,#5839bc 100%);color:#fff;display:flex;flex-direction:column;z-index:20;border-radius:0 18px 18px 0;overflow:hidden}.brand{display:flex;align-items:center;gap:10px;padding:17px 21px 16px;font-size:36px;letter-spacing:-1.2px;font-weight:750;white-space:nowrap}.brand-cap{width:68px;flex-shrink:0}.brand-cap svg{width:100%;height:61px}.nav-list{display:grid;gap:9px;padding:13px 17px}.nav-link{height:59px;padding:0 22px;display:flex;align-items:center;gap:17px;font-size:22px;color:#e3d7fa;border-radius:17px;transition:background .18s,color .18s}.nav-link .icon{width:29px;height:29px;stroke-width:2}.nav-link:hover{background:#ffffff12}.nav-link.active{background:linear-gradient(100deg,#7250d9,#5b36aa);color:#fff;font-weight:650;box-shadow:inset 0 1px #ffffff0b}.sidebar-bottom{margin-top:auto;position:relative;padding-bottom:62px;text-align:center}.sidebar-illustration{height:214px;width:272px;margin:0 auto 7px;position:relative;background-image:url("assets/sidebar-source.png");background-repeat:no-repeat;background-size:1672px 941px;background-position:0 -504px;mask-image:linear-gradient(transparent,#000 9%,#000 88%,transparent);-webkit-mask-image:linear-gradient(transparent,#000 9%,#000 88%,transparent)}.sidebar-bottom p{font-size:23px;font-weight:650;line-height:1.35;margin:8px 13px 13px;letter-spacing:-.4px}.sidebar-swoosh{width:130px;height:35px;margin:0 auto}.workspace{margin-left:var(--sidebar-width);width:calc(100% - var(--sidebar-width));min-width:0;background:radial-gradient(ellipse at 50% 0,#e9ddff70,transparent 40%),linear-gradient(145deg,#fcfbff,#f8f5ff);min-height:100vh}.topbar{height:94px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 27px 0 36px;border-bottom:1px solid #eee7fb;background:linear-gradient(120deg,#fbf9ff8a,#eee3fcbb 60%,#faf9ffb8);box-shadow:0 2px 12px #8c5cd506;border-radius:0 0 15px 15px}.page-heading{display:flex;align-items:center;gap:20px;min-width:0}.heading-icon{width:49px;height:49px;color:#8635e9;filter:drop-shadow(0 2px 2px #9c6aff18)}h1{font-size:36px;line-height:1.15;margin:0 0 2px;font-weight:750;letter-spacing:-1px}.page-heading p{margin:0;font-size:18px;color:var(--text)}.header-actions{display:flex;align-items:center;gap:21px}.language-switch{padding:4px;display:flex;align-items:center;gap:3px;border:2px solid #e9e0ff;border-radius:28px;box-shadow:0 2px 4px #60449c18;background:#faf8ff}.language-switch button{border:0;background:transparent;border-radius:23px;min-height:36px;padding:5px 17px;font-size:16px;white-space:nowrap;display:flex;gap:8px;align-items:center;font-weight:600}.language-switch button.selected{background:linear-gradient(120deg,#6945ad,#463184);color:#fff;box-shadow:0 2px 4px #5e3c9830}.language-switch button span{font-size:20px}.profile-button{border:0;border-radius:50%;width:48px;height:48px;background:linear-gradient(#e9e1ff,#fbf9ff);color:#5b3bb1;display:grid;place-items:center;box-shadow:0 3px 5px #60449c22}.profile-button .icon{width:29px;height:29px;stroke-width:2.3}.mobile-menu{display:none!important}main{padding:18px 19px 24px 31px;outline:0}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px;margin-bottom:24px}.stat{border-radius:23px;min-height:104px;display:flex;align-items:center;gap:18px;padding:15px 21px;position:relative;overflow:hidden}.stat.purple{background:linear-gradient(115deg,#ece4ff,#e1d5fc);color:#7340dc}.stat.blue{background:linear-gradient(115deg,#e9f0ff,#dbeaff);color:#078df5}.stat.green{background:linear-gradient(115deg,#e7f7ed,#ddf4ef);color:#3aa759}.stat.orange{background:linear-gradient(115deg,#fff4e9,#fce0e5);color:#ffb218}.stat-icon{width:73px;height:73px;border-radius:50%;background:#ffffff2b;display:grid;place-items:center;flex-shrink:0}.purple .stat-icon{background:#d8c8fb}.blue .stat-icon{background:#cde5ff}.green .stat-icon{background:#cef0de}.orange .stat-icon{background:#ffe9c6}.stat-icon .icon{width:40px;height:40px;stroke-width:2}.stat-value{display:block;color:#090a2b;font-size:34px;line-height:1.15;font-weight:750;letter-spacing:-.6px;font-variant-numeric:tabular-nums}.stat-label{display:block;color:var(--text);font-size:20px;margin-top:2px;white-space:nowrap}.stat-watermark{position:absolute;right:17px;width:64px;height:64px;color:#b591f3;opacity:.8}.charts-grid{display:grid;grid-template-columns:.96fr 1.04fr;gap:19px;margin-bottom:24px}.panel{background:linear-gradient(130deg,#fff,#fdfbff);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:17px 23px 18px;min-width:0}h2{margin:0;font-size:23px;line-height:1.3;font-weight:730;letter-spacing:-.5px}.panel h2{display:flex;align-items:center;gap:14px}.panel h2 .icon{width:25px;height:25px;color:var(--purple)}.distribution-content{display:flex;align-items:center;justify-content:space-around;gap:20px;min-height:212px;padding-top:13px}.donut-wrap{width:45%;display:flex;justify-content:center}.donut{width:195px;aspect-ratio:1;border-radius:50%;background:conic-gradient(var(--strong) 0 29.03%,var(--medium) 29.03% 74.19%,var(--weak) 74.19%);display:grid;place-items:center;position:relative;box-shadow:inset 0 0 7px #ffffff60;flex-shrink:0}.donut-center{width:63%;height:63%;border-radius:50%;background:linear-gradient(135deg,#fff,#f9f7ff);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 0 0 1px #ffffffc0}.donut-center strong{font-size:32px;line-height:1.15;font-weight:750;font-variant-numeric:tabular-nums}.donut-center span{color:var(--text);font-size:18px;margin-top:3px}.ability-legend{padding:0;list-style:none;width:46%;margin:0}.ability-legend li{display:flex;align-items:center;padding:12px 0;gap:12px;font-size:19px;border-bottom:1px solid #f1ebfb}.ability-legend li:last-child{border:0}.ability-legend .legend-count{font-weight:700;margin-left:auto;font-variant-numeric:tabular-nums}.legend-percent{font-size:18px;color:var(--text);min-width:53px;text-align:right;font-variant-numeric:tabular-nums}.dot{width:17px;height:17px;border-radius:50%;display:inline-block;flex-shrink:0;box-shadow:inset 0 2px 3px #ffffff30}.dot.strong{background:var(--strong)}.dot.medium{background:var(--medium)}.dot.weak{background:var(--weak)}.bar-chart{height:212px;padding:28px 3px 0 8px;position:relative;display:flex;gap:12px}.chart-scale{width:27px;flex-shrink:0;display:flex;flex-direction:column;justify-content:space-between;padding-bottom:28px;color:var(--text);font-size:16px;line-height:1;text-align:right;position:relative;top:-7px}.plot-area{flex:1;min-width:0;position:relative;display:flex;flex-direction:column}.chart-grid{position:absolute;inset:0 0 28px;border-bottom:2px solid #c7b9ef;border-left:2px solid #c7b9ef;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}.chart-grid i{height:1px;width:100%;background:#eee8fc}.bars{display:flex;align-items:flex-end;justify-content:space-around;gap:12px;position:relative;flex:1;padding:0 14px}.bar-item{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;flex:1;min-width:0;height:100%;border:0;background:none;padding:0;color:var(--ink)}.bar-value{font-size:20px;font-weight:700;margin-bottom:4px;line-height:1;position:absolute;left:0;right:0;top:-26px}.bar-fill{background:linear-gradient(180deg,#8052eb,#b795f3);border-radius:9px 9px 0 0;width:100%;max-width:90px;min-height:2px;position:relative;transition:height .3s,filter .15s;box-shadow:inset 0 1px 3px #a67bff60}.bar-item:hover .bar-fill{filter:saturate(1.2) brightness(.96)}.bar-labels{height:28px;display:flex;justify-content:space-around;gap:12px;padding:8px 14px 0;font-size:16px;color:var(--text)}.bar-labels span{flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chart-empty{display:grid;place-items:center;height:185px;color:var(--muted)}
.classes-section{background:#ffffff63;border-radius:22px;padding:14px 1px 15px;border:1px solid #f1eaff;scroll-margin-top:20px}.section-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 1px 25px;padding:0 10px}.section-toolbar h2{display:flex;align-items:center;gap:17px;font-size:28px;white-space:nowrap}.section-toolbar h2 .icon{width:34px;height:34px;color:#7040dc}.class-tools{display:flex;gap:22px;align-items:center}.search-box{height:50px;min-width:240px;width:320px;display:flex;gap:13px;align-items:center;border:2px solid #e8e0fa;border-radius:19px;padding:0 16px;background:#ffffffc9;color:#5b507e}.search-box .icon{width:21px;height:21px;stroke-width:2}.search-box input{border:0;outline:0;background:none;width:100%;color:var(--text);font-size:17px}.search-box input:focus-visible{outline:none}.search-box:focus-within{border-color:#a780e8;box-shadow:0 0 0 3px #a780e817}.search-box input::placeholder{color:#71648e}.search-chevron{color:#dfd3f1;font-size:26px}.button{min-height:43px;padding:9px 17px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;font-weight:650;font-size:16px;transition:transform .14s,box-shadow .14s,filter .14s;white-space:nowrap}.button:hover{filter:brightness(1.05);box-shadow:0 3px 9px #6944b528}.button:active{transform:translateY(1px)}.button.primary{background:linear-gradient(175deg,#a52af6,#6f36d4 57%,#5531b7);color:#fff;box-shadow:inset 0 1px #ffffff22}.create-class{min-height:50px;border-radius:19px;font-size:19px;padding:9px 24px;background:linear-gradient(115deg,#7956df,#7d20e8 65%,#5630bb)!important}.create-class .icon{width:23px}.button.secondary{background:#f4efff;border-color:#e2d8f8;color:#5d3d9f}.button.danger{color:#fff;background:#df3f50}.classes-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;padding:0 1px}.class-card{border:2px solid #e8e0fa;border-radius:21px;background:linear-gradient(160deg,#fff,#fbf9ff);min-width:0;overflow:hidden;box-shadow:var(--shadow);transition:border-color .18s,transform .18s}.class-card:hover{transform:translateY(-3px);border-color:#c6b1f0}.class-card.selected{border-color:#9162e8;box-shadow:0 0 0 1px #c5a8f155,0 3px 7px #6944b51a}.class-card header{padding:12px 15px;display:flex;gap:13px;align-items:center;background:linear-gradient(100deg,#f8f4ff,#f5f0fc);min-height:72px}.class-card.selected header{background:linear-gradient(100deg,#f0e7ff,#ede4fb)}.class-avatar{width:51px;height:51px;background:#e9deff;border-radius:50%;display:grid;place-items:center;color:#7542d6;flex-shrink:0}.class-avatar .icon{width:33px;height:33px;fill:#8c62e9;stroke:#fcfaff;stroke-width:.9}.class-card h3{font-size:22px;line-height:1.15;letter-spacing:-.5px;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.class-card header>div:last-child{min-width:0}.class-card header p{color:var(--text);font-size:16px;margin:0}.class-breakdown{list-style:none;padding:6px 20px 7px;margin:0}.class-breakdown li{height:35px;display:flex;gap:10px;align-items:center;font-size:16px;border-bottom:1px solid #eee8f8}.class-breakdown li:last-child{border:0}.class-breakdown .dot{width:16px;height:16px}.class-breakdown strong{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}.card-actions{display:flex;gap:10px;border-top:1px solid #f0eaf9;padding:13px 15px 15px}.card-actions .button{min-height:41px;padding:7px 10px;font-size:15px;flex:1}.card-actions .icon{width:19px;height:19px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid #e5dbf9;border-radius:12px;background:linear-gradient(140deg,#f8f4ff,#eee7ff);color:#46358b;flex-shrink:0}.icon-button:hover{background:#e7dbff}.icon-button.delete{color:#ee3e45}.icon-button .icon{width:20px;height:20px}.card-actions .icon-button{width:41px;height:41px}.empty-state{text-align:center;border:1px dashed #d8c6f4;border-radius:20px;padding:48px 20px;color:var(--muted);margin:0 12px}.empty-state h3{color:var(--ink);font-size:23px;margin:0 0 10px}.app-footer{display:flex;justify-content:space-between;gap:20px;padding:0 31px 15px;color:#9a91b2;font-size:12px}.app-footer>span:first-child{font-weight:700}.classes-focus .stats-grid,.classes-focus .charts-grid{display:none}.classes-focus .classes-section{margin-top:5px;padding-top:10px}
.modal{border:1px solid var(--border);border-radius:24px;box-shadow:0 20px 80px #32125940;background:#fff;width:min(510px,calc(100% - 30px));padding:27px;color:var(--ink);max-height:90vh;overflow:auto}.modal::backdrop{background:#24124765;backdrop-filter:blur(4px)}.modal-heading{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:22px}.modal-heading h2{font-size:27px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--purple);display:block;font-weight:700;margin-bottom:6px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:25px;padding-top:18px;border-top:1px solid #f0eafa}.form-field{display:flex;flex-direction:column;gap:8px;margin:0 0 18px;font-size:14px;font-weight:650}.form-field input,.form-field select,.groups-controls input{border:1px solid #ded3f2;border-radius:10px;padding:11px 12px;background:#fdfcff;color:var(--ink);width:100%;min-height:44px}.ability-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.form-hint{font-size:13px;line-height:1.5;color:var(--muted);margin:8px 0 20px}.form-error{color:#bd293a;background:#fff1f2;padding:12px;border-radius:9px;font-size:14px}.small-modal{max-width:440px}.small-modal p{color:var(--text);line-height:1.65}.toast{position:fixed;bottom:24px;left:calc(50% + var(--sidebar-width)/2);transform:translateX(-50%);z-index:100;box-shadow:0 6px 35px #442a8125;border:1px solid #dcd0f3;background:#fff;color:#483774;border-radius:14px;padding:15px 22px;max-width:calc(100% - 28px);font-size:14px}.muted{color:var(--muted);line-height:1.6}.view-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:6px 0 24px;flex-wrap:wrap}.toolbar-actions{display:flex;gap:12px;flex-wrap:wrap}.detail-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:22px}.mini-stat{padding:20px 25px;display:flex;align-items:center;gap:13px}.mini-stat strong{font-size:28px;margin-left:auto}.student-panel{padding:0;overflow:hidden}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left}th{background:#f5f0fc;color:#6b5c88;font-size:12px;text-transform:uppercase;letter-spacing:.7px;font-weight:650}th,td{padding:16px 22px;border-bottom:1px solid #eee8f8}td:first-child{width:60px;color:var(--muted);font-size:14px}.row-actions{display:flex;gap:9px;justify-content:flex-end}.row-actions .icon-button{width:34px;height:34px;border-radius:9px}.ability-badge{display:inline-flex;align-items:center;gap:8px;border-radius:20px;padding:5px 12px;background:#f7f4fc;font-size:13px}.ability-badge .dot{width:10px;height:10px}.groups-modal{width:min(820px,calc(100% - 30px))}.groups-controls{display:flex;gap:14px;align-items:center;margin:22px 0;flex-wrap:wrap}.groups-controls input{width:76px}.groups-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.group-card{border:1px solid var(--border);border-radius:15px;padding:18px;background:#fcfaff}.group-card h3{margin:0 0 8px;color:var(--purple-dark)}.group-card ul{padding:0;list-style:none;margin:12px 0 0}.group-card li{display:flex;gap:8px;align-items:center;padding:7px 0;font-size:14px}.group-card .dot{width:10px;height:10px}.group-meta{color:var(--muted);font-size:12px}.settings-panel{max-width:760px;padding:28px;margin-bottom:22px}.settings-panel h2{margin-bottom:10px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0;border-bottom:1px solid #eee8f8}.setting-row:last-child{border:0;padding-bottom:0}.setting-row p{margin:5px 0 0;max-width:410px;font-size:14px;color:var(--muted);line-height:1.5}.setting-row .button{flex-shrink:0}.settings-language{background:#f5efff;border:1px solid var(--border);border-radius:10px;padding:10px;color:var(--text)}.storage-notice{font-size:13px;line-height:1.6;background:#f3edfc;border-radius:12px;padding:16px;color:#6d5b8b}.view-intro{margin:0;color:var(--muted)}
@media(min-width:1800px){main{max-width:1700px;margin:auto}.topbar{padding-left:44px}.stat{min-height:120px}.distribution-content{min-height:240px}.bar-chart{height:240px}.donut{width:214px}.class-card header{padding:20px}.class-breakdown li{height:43px}}
@media(max-width:1450px){:root{--sidebar-width:240px}.brand{font-size:31px;padding-left:16px;gap:8px}.brand-cap{width:58px}.nav-list{padding:13px}.nav-link{padding:0 18px;font-size:20px}.sidebar-illustration{width:240px;height:195px;background-size:1475.3px 830.3px;background-position:0 -444.7px}.sidebar-bottom{padding-bottom:32px}.sidebar-bottom p{font-size:21px}.topbar{padding-left:27px}h1{font-size:31px}.page-heading{gap:16px}.page-heading p{font-size:15px}.heading-icon{width:42px;height:42px}main{padding:20px}.stat{gap:12px;padding:14px;min-height:100px}.stat-icon{width:58px;height:58px}.stat-icon .icon{width:33px;height:33px}.stat-value{font-size:30px}.stat-label{font-size:17px}.stat-watermark{width:47px;right:10px}.panel{padding:18px}.panel h2{font-size:20px;gap:10px}.donut{width:165px}.distribution-content{gap:10px;min-height:210px}.ability-legend{width:49%}.ability-legend li{font-size:16px;gap:8px}.legend-percent{font-size:15px;min-width:45px}.bar-chart{padding-left:0}.bars,.bar-labels{gap:12px;padding-left:12px;padding-right:12px}.bar-labels{font-size:13px}.section-toolbar{padding:0 6px}.section-toolbar h2{font-size:25px;gap:12px}.class-tools{gap:15px}.search-box{width:265px;min-width:200px}.create-class{font-size:17px;padding:10px 18px}.classes-grid{gap:12px}.class-card header{padding:13px 10px;gap:9px}.class-avatar{width:42px;height:42px}.class-avatar .icon{width:29px;height:29px}.class-card h3{font-size:19px}.class-card header p{font-size:14px}.class-breakdown{padding:6px 12px}.class-breakdown li{font-size:14px;gap:8px}.card-actions{padding:12px 10px;gap:6px}.card-actions .button{padding:7px;font-size:13px;gap:5px}.card-actions .icon-button{width:33px}.card-actions .icon{width:17px;height:17px}}
@media(max-width:1180px){:root{--sidebar-width:215px}.brand{font-size:28px}.brand-cap{width:48px}.brand-cap svg{height:50px}.nav-link{font-size:18px;height:55px;gap:13px}.sidebar-illustration{width:215px;background-size:1321.6px 743.8px;background-position:0 -398.4px;height:172px}.sidebar-bottom p{font-size:19px}.stats-grid{gap:12px}.stat{gap:10px;min-height:94px}.stat-icon{width:44px;height:44px}.stat-icon .icon{width:27px;height:27px}.stat-value{font-size:28px}.stat-label{font-size:14px}.stat-watermark{display:none}.classes-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.class-card header{padding:15px}.class-card h3{font-size:21px}.class-avatar{width:48px;height:48px}.class-breakdown{padding:8px 18px}.class-breakdown li{font-size:16px}.card-actions{padding:12px 14px;gap:10px}.card-actions .button{font-size:15px}.card-actions .icon-button{width:40px}.section-toolbar{flex-wrap:wrap}.class-tools{margin-left:auto}.distribution-content{flex-direction:column;padding-top:18px;gap:18px}.donut-wrap{width:100%}.ability-legend{width:100%;display:flex;justify-content:center;gap:14px}.ability-legend li{border:0;flex-wrap:wrap;justify-content:center;padding:0 0 8px;gap:5px;font-size:13px}.ability-legend .legend-count{margin-left:0}.legend-percent{min-width:0;font-size:12px}.ability-legend .dot{width:11px;height:11px}.bar-chart{height:265px;padding-top:40px}.charts-grid{grid-template-columns:.9fr 1.1fr}.topbar{gap:10px;padding:0 20px}.header-actions{gap:10px}.language-switch button{padding:6px 10px}.page-heading p{font-size:13px}}
@media(max-width:850px){:root{--sidebar-width:0px}.sidebar{width:260px;transform:translateX(-105%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.sidebar-illustration{width:260px;height:208px;background-size:1598.2px 899.5px;background-position:0 -481.8px}.sidebar-overlay{position:fixed;inset:0;background:#28124f75;border:0;z-index:19;backdrop-filter:blur(2px)}.workspace{margin-left:0;width:100%}.topbar{height:85px;padding:0 18px;gap:14px}.mobile-menu{display:inline-flex!important;background:#ece3fc;width:39px;height:39px}.page-heading{margin-right:auto;gap:11px}.heading-icon{width:32px;height:32px}.page-heading h1{font-size:27px}.page-heading p{font-size:12px}.profile-button{width:39px;height:39px}.header-actions{gap:10px}.language-switch{padding:3px}.language-switch button{min-height:30px;padding:4px 10px;font-size:13px}.language-switch button span{font-size:16px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stat{padding:16px 12px;border-radius:18px}.stat-icon{display:none}.stat-label{font-size:15px}.stat-value{font-size:30px}.app-footer{padding:0 20px 18px}.toast{left:50%}.classes-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.topbar{height:80px;padding:0 13px;gap:10px}.heading-icon{display:none}.page-heading h1{font-size:25px;letter-spacing:-.6px}.page-heading p{display:none}.header-actions{gap:8px}.profile-button{display:none}.language-switch button{padding:5px 9px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:17px}.stat{min-height:96px;padding:15px;gap:12px}.stat-icon{display:grid;width:47px;height:47px}.stat-label{font-size:14px}.stat-value{font-size:28px}.charts-grid{grid-template-columns:1fr;gap:17px;margin-bottom:22px}.panel h2{font-size:18px}.distribution-content{flex-direction:row;min-height:190px;padding-top:15px;gap:20px}.donut{width:155px}.donut-wrap{width:45%}.donut-center strong{font-size:28px}.donut-center span{font-size:15px}.ability-legend{width:50%;display:block}.ability-legend li{display:flex;flex-wrap:nowrap;justify-content:flex-start;font-size:14px;padding:10px 0;gap:7px;border-bottom:1px solid #f1ebfb}.ability-legend .legend-count{margin-left:auto}.legend-percent{font-size:13px;min-width:37px}.bar-chart{height:222px;padding-top:35px}.bar-labels{font-size:12px}.bars,.bar-labels{gap:10px;padding-left:10px;padding-right:10px}.bar-value{font-size:17px}.section-toolbar{padding:0 5px;gap:18px;margin-bottom:18px}.section-toolbar h2{font-size:24px}.class-tools{width:100%;gap:10px}.search-box{width:auto;min-width:0;flex:1;height:46px;padding:0 12px;gap:8px;border-radius:14px}.search-box input{font-size:14px}.create-class{font-size:14px;padding:10px 12px;min-height:46px;border-radius:14px;gap:5px}.create-class .icon{width:19px}.search-chevron{display:none}.classes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.class-card{border-radius:18px}.class-card header{padding:12px 10px;gap:8px}.class-card h3{font-size:18px}.class-card header p{font-size:12px}.class-avatar{width:37px;height:37px}.class-avatar .icon{width:27px;height:27px}.class-breakdown{padding:6px 12px}.class-breakdown li{font-size:14px;gap:7px}.card-actions{padding:10px 9px;gap:5px}.card-actions .button{font-size:12px;padding:6px;gap:4px;min-height:35px}.card-actions .icon-button{width:30px;height:35px;border-radius:10px}.card-actions .icon{width:15px;height:15px}main{padding:16px 13px 22px}.app-footer{padding:0 15px 16px;font-size:10px}.detail-summary{gap:10px}.mini-stat{padding:16px 12px;gap:7px;font-size:13px;flex-wrap:wrap}.mini-stat strong{font-size:25px}.view-toolbar .button{font-size:13px;padding:9px 12px}.toolbar-actions{gap:8px}.toolbar-actions .button .icon{width:18px;height:18px}.modal{padding:22px}.modal-heading h2{font-size:23px}.ability-inputs{gap:9px}.ability-inputs label{font-size:12px}.groups-results{grid-template-columns:1fr}.settings-panel{padding:20px}.setting-row{align-items:flex-start;gap:14px;flex-wrap:wrap}.settings-panel h2{font-size:22px}th,td{padding:13px 12px}.row-actions{gap:5px}.row-actions .icon-button{width:30px;height:30px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Keep long class lists and translated headings inside their own layout. */
.page-heading>div{min-width:0}.page-heading h1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-chart{overflow-x:auto;overflow-y:hidden}
@media(max-width:620px){.page-heading{flex:1}html[lang="ja"] .page-heading h1{font-size:20px}}
@media(max-width:620px){.stat>div{min-width:0}.stat-label{white-space:normal;line-height:1.25}}
@media(max-width:380px){
 .language-switch button{font-size:11px;padding:5px 7px}.language-switch button span{display:none}.page-heading h1{font-size:24px}
 .stat{gap:9px;padding:13px 12px}.stat-icon{width:38px;height:38px}.stat-icon .icon{width:25px;height:25px}.stat-value{font-size:26px}.stat-label{font-size:12px}
 .distribution-content{flex-direction:column;gap:16px}.donut-wrap{width:100%}.ability-legend{width:100%;display:flex;justify-content:space-around;gap:8px}.ability-legend li{flex-direction:column;border:0;font-size:13px;padding-bottom:4px;gap:5px}.ability-legend .legend-count{margin:0}.legend-percent{min-width:0}
 .bar-labels{height:35px;font-size:11px;line-height:1.1}.bar-labels span{white-space:normal}.chart-grid{bottom:35px}.chart-scale{padding-bottom:35px}
 .classes-grid{grid-template-columns:1fr}.class-card header{padding:16px}.class-avatar{width:48px;height:48px}.class-card h3{font-size:22px}.class-card header p{font-size:15px}.class-breakdown{padding:8px 19px}.class-breakdown li{font-size:16px}.card-actions{padding:12px 16px;gap:11px}.card-actions .button{font-size:15px;min-height:40px}.card-actions .icon-button{width:41px;height:40px}
}
/* The dedicated class list uses a roomier three-column presentation. */
.classes-focus .stats-grid{display:grid;margin-bottom:28px}.classes-focus .classes-section{background:transparent;border:0}.classes-focus .classes-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:27px}.classes-focus .class-card header{padding:19px;min-height:86px}.classes-focus .class-avatar{width:62px;height:62px}.classes-focus .class-avatar .icon{width:40px;height:40px}.classes-focus .class-card h3{font-size:26px}.classes-focus .class-breakdown{display:flex;gap:7px;padding:10px 18px 15px}.classes-focus .class-breakdown li{flex:1;height:67px;display:grid;grid-template-columns:16px 1fr;grid-template-rows:25px 20px;gap:0 7px;border:0;border-radius:13px;padding:10px}.classes-focus .class-breakdown li:nth-child(1){background:#eaf8ef}.classes-focus .class-breakdown li:nth-child(2){background:#fff5df}.classes-focus .class-breakdown li:nth-child(3){background:#ffedf0}.classes-focus .class-breakdown .dot{grid-column:1;grid-row:1/3;align-self:center}.classes-focus .class-breakdown li>span:nth-child(2){grid-column:2;grid-row:2;font-size:13px}.classes-focus .class-breakdown strong{grid-column:2;grid-row:1;margin:0;font-size:24px;line-height:1}.classes-focus .card-actions{border:0;padding:0 18px 18px;gap:13px}.classes-focus .card-actions .button{min-height:47px;font-size:17px}.classes-focus .card-actions .icon-button{width:59px;height:47px}
@media(max-width:1180px){.classes-focus .classes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
@media(max-width:620px){.classes-focus .classes-grid{grid-template-columns:1fr}.classes-focus .class-card header{padding:16px}.classes-focus .class-card h3{font-size:24px}.classes-focus .class-breakdown li>span:nth-child(2){font-size:14px}}