/* Additional screens follow the supplied Classes, Class C and Settings designs. */
select,input[type=number]{font:inherit;color:var(--ink);border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:9px 12px;min-width:0}button,input,select{accent-color:var(--purple)}button:disabled{cursor:default;opacity:.55}.compact{padding:8px 13px;font-size:13px;min-height:34px}.class-tools{flex-wrap:wrap}#class-sort{font-size:13px;max-width:155px}.class-menu{margin-left:auto}.more-menu{position:relative;flex-shrink:0}.more-menu summary{list-style:none;cursor:pointer;font-weight:800;font-size:23px;padding:1px 7px;border-radius:8px}.more-menu summary::-webkit-details-marker{display:none}.more-menu summary:hover{background:var(--bg)}.more-menu[open]{z-index:10}.more-menu>div{position:absolute;right:0;top:30px;min-width:135px;background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--border);border-radius:12px;padding:6px}.more-menu button{display:block;width:100%;background:none;border:0;text-align:left;padding:10px;color:var(--ink);border-radius:7px;font:inherit;font-size:13px;cursor:pointer}.more-menu button:hover{background:var(--bg)}.class-card header{gap:12px}.class-card header>div{min-width:0}.class-card .class-menu{position:absolute;right:8px;top:12px}.class-card{position:relative}.classes-focus .class-card header{padding-right:38px}.activity-button{border-radius:50%}.hide-statistics #stats-grid,.hide-statistics .charts-grid{display:none!important}
.class-overview{display:flex;align-items:center;gap:16px;padding:15px;margin-bottom:15px;min-width:0}.class-overview>a{flex-shrink:0}.overview-name{display:flex;align-items:center;gap:15px;min-width:150px;flex:1.5;background:linear-gradient(110deg,#f0e5ff,#e9dcff);border-radius:18px;padding:7px 15px}.overview-name h2{font-size:24px;margin:0 0 3px;overflow-wrap:anywhere}.overview-name .class-avatar{width:62px;height:62px;flex-shrink:0}.overview-name>div{min-width:0}.level-tile{display:flex;gap:15px;align-items:center;flex:1;border-radius:16px;padding:10px 15px;min-width:95px}.level-tile .icon{width:34px;height:34px}.level-tile>div{display:grid;gap:1px}.level-tile strong{font-size:28px;line-height:1.1}.level-tile span{font-size:13px}.level-tile.strong{background:#e3f7e9}.level-tile.strong .icon{color:#42ac62}.level-tile.medium{background:#fff3de}.level-tile.medium .icon{color:#efae19}.level-tile.weak{background:#ffe5ef}.level-tile.weak .icon{color:#f25c78}.last-stat{display:flex;align-items:center;gap:12px;flex:1;padding:8px;border-left:1px solid var(--border);min-width:90px}.last-stat .icon{width:30px;height:30px;color:var(--purple);flex-shrink:0}.last-stat>div{display:grid;gap:3px}.last-stat strong{font-size:19px}.last-stat span{font-size:12px}.detail-tabs{display:flex;width:max-content;padding:3px;background:var(--surface);border:1px solid var(--border);border-radius:30px;margin:0 0 15px;box-shadow:0 2px 5px #6636c515}.detail-tabs button{display:flex;align-items:center;justify-content:center;gap:9px;padding:10px 26px;border:0;border-radius:25px;background:none;color:var(--text);font:inherit;font-weight:600;cursor:pointer}.detail-tabs button.active{background:linear-gradient(150deg,var(--purple),#5c14d0);color:white}.detail-tabs .icon{width:22px;height:22px}.class-workspace{display:grid;grid-template-columns:minmax(290px,1fr) minmax(460px,1.84fr) minmax(270px,1fr);gap:16px;align-items:stretch}.class-workspace h2{font-size:18px;margin:0;display:flex;align-items:center;gap:8px;line-height:1.25}.class-workspace h2>.icon{width:25px;height:25px;color:var(--purple);flex-shrink:0}.screen-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:17px 15px;min-height:63px}.screen-panel-heading>span{font-size:12px;text-align:right}.roster-panel,.history-panel{min-width:0;display:flex;flex-direction:column;overflow:visible}.roster-panel .screen-panel-heading{gap:5px;padding:15px 12px}.roster-panel .compact{padding:8px;font-size:12px;gap:4px;white-space:nowrap}.roster-panel .compact .icon{width:16px;height:16px}.roster-filters{padding:10px 12px;display:flex;gap:8px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.roster-filters .search-box{width:auto;min-width:0;flex:1;height:36px;padding:0 9px}.roster-filters .search-box input{font-size:12px;width:100%}.roster-filters select{width:112px;padding:7px 8px;font-size:12px}.select-all{font-size:11px;color:var(--muted);padding:9px 16px 3px;display:flex;align-items:center;gap:9px}.select-all input,.student-row input{width:16px;height:16px;flex-shrink:0}.student-list{height:413px;overflow:auto;scrollbar-width:thin;scrollbar-color:#bda7e6 transparent;padding-bottom:12px}.student-row{display:flex;align-items:center;gap:9px;padding:11px 13px;border-bottom:1px solid color-mix(in srgb,var(--border) 45%,transparent);min-height:54px;font-size:13px}.student-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,#f4ecff,#ddccff);color:#6132bb;flex-shrink:0;font-size:12px;font-weight:700}.student-row strong{min-width:0;flex:1;overflow-wrap:anywhere;font-size:13px}.student-row .ability-badge{font-size:11px;gap:5px;padding:5px 7px;white-space:nowrap;border-radius:10px}.ability-badge.strong,.level-counts .strong{background:#dff6e7;color:#184b2b}.ability-badge.medium,.level-counts .medium{background:#ffedc4;color:#604611}.ability-badge.weak,.level-counts .weak{background:#ffe0e7;color:#802a37}.student-row .dot{width:9px;height:9px}.student-row .more-menu summary{padding:1px 3px;font-size:19px}.roster-footer{border-top:1px solid var(--border);display:flex;align-items:center;gap:9px;padding:13px 15px;margin-top:auto;font-size:12px;min-height:65px}.roster-footer>span{margin-right:auto}.roster-footer select{width:115px;font-size:12px}.roster-footer .icon-button{width:34px;height:34px}.generation-column{display:flex;flex-direction:column;gap:10px;min-width:0}.generator-panel{padding-bottom:12px}.generator-panel .screen-panel-heading{padding-bottom:12px}.generator-controls{display:flex;gap:14px;margin:0 14px 12px}.generator-controls>label{display:flex;gap:12px;align-items:center;justify-content:space-between;background:var(--bg);border-radius:12px;padding:6px 12px;flex:1;font-size:12px}.generator-controls input[type=number]{width:68px;padding:6px 9px}.generator-panel form>.button{display:flex;margin:auto;min-width:240px;justify-content:center;padding:10px 20px}.switch{appearance:none;-webkit-appearance:none;display:inline-block;position:relative;width:43px;height:25px;border:1px solid #d5cce5;border-radius:20px;background:#d1c8e2;cursor:pointer;flex-shrink:0;transition:background .15s;margin:0}.switch:after{content:'';position:absolute;width:19px;height:19px;left:2px;top:2px;border-radius:50%;background:white;box-shadow:0 1px 4px #39245d33;transition:transform .15s}.switch:checked{background:var(--purple);border-color:var(--purple)}.switch:checked:after{transform:translateX(18px)}.generated-panel{flex:1;padding-bottom:14px;min-width:0}.generated-panel>.screen-panel-heading{padding-bottom:10px}.generation-meta{display:flex;align-items:center;gap:7px;background:var(--bg);border-radius:11px;margin:0 12px 12px;padding:5px 8px;font-size:11px;min-height:35px;flex-wrap:wrap}.generation-meta>span{display:flex;gap:6px;align-items:center}.generation-meta .icon{width:17px;height:17px;flex-shrink:0}.save-pill{display:flex;align-items:center;gap:3px;font:inherit;font-size:11px;background:#c7f0e2;color:#175b48;border:0;border-radius:18px;padding:4px 9px;cursor:pointer}.save-pill:disabled{opacity:1}.generation-actions{display:flex;gap:5px;margin-left:auto}.generation-actions .icon-button{width:29px;height:29px;border-radius:50%;background:var(--surface);box-shadow:0 2px 4px #5a31a41a}.generated-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0 12px}.generated-card{padding:10px 9px;border:1px solid var(--border);border-radius:15px;background:linear-gradient(150deg,var(--bg),var(--surface));box-shadow:0 2px 4px #6636c514;min-width:0}.generated-card h3{display:flex;align-items:center;gap:5px;font-size:13px;margin:0 0 8px;overflow-wrap:anywhere}.generated-card h3 .icon{color:var(--purple);width:20px;height:20px;flex-shrink:0}.level-counts{display:flex;gap:3px;margin-bottom:9px}.level-counts span{font-size:10px;font-weight:700;white-space:nowrap;border-radius:10px;padding:2px 6px;flex:1;text-align:center}.generated-card ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}.generated-card li{display:flex;align-items:center;gap:7px;font-size:12px;line-height:1.3;overflow-wrap:anywhere}.generated-card .dot{width:10px;height:10px;flex-shrink:0}.history-panel .screen-panel-heading{border-bottom:1px solid var(--border)}.count-pill{background:#eae0ff;border-radius:20px;padding:3px 11px;font-size:13px;color:#523489}.history-panel #history-list{padding:13px 12px}.history-item{display:flex;align-items:center;gap:10px;padding:14px 10px;margin-bottom:10px;width:100%;min-height:73px;text-align:left;border:1px solid var(--border);border-radius:16px;background:linear-gradient(120deg,var(--surface),var(--bg));color:var(--ink);font:inherit;cursor:pointer}.history-item.current{border-color:var(--purple);background:linear-gradient(120deg,var(--surface),#eee2ff);box-shadow:0 2px 6px #6330aa1a}.history-avatar{display:grid;place-items:center;width:37px;height:37px;background:#eee4ff;border-radius:50%;flex-shrink:0;color:var(--purple)}.history-avatar .icon{width:23px;height:23px}.history-item>span:nth-child(2){min-width:0;flex:1}.history-item strong{display:block;font-size:12px;line-height:1.5}.history-item small{display:block;font-size:12px;line-height:1.5}.current-pill{border-radius:20px;background:var(--purple);color:white;font-size:9px;padding:5px 7px;white-space:nowrap}.history-empty{font-size:13px;line-height:1.7;padding:0 10px;color:var(--muted)}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;max-width:1320px;margin:auto}.preference-card{padding:25px 28px;min-width:0}.preference-card>h2{display:flex;gap:11px;align-items:center;font-size:22px;margin:0 0 12px}.preference-card>h2>.icon{width:27px;height:27px;color:var(--purple)}.preference-card>p{font-size:14px;color:var(--muted);margin:0 0 23px;line-height:1.5}.language-options{display:flex;gap:20px;padding:8px 0 12px}.choice{position:relative;border:1px solid var(--border);border-radius:17px;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;box-shadow:0 2px 5px #6736aa0c}.choice.chosen{border:2px solid var(--purple);background:linear-gradient(130deg,var(--surface),#f0e7ff)}.language-options .choice{display:flex;align-items:center;gap:17px;min-height:98px;flex:1;padding:20px}.flag{font-size:34px}.choice-check{display:grid;place-items:center;margin-left:auto;width:22px;height:22px;border:1px solid var(--border);border-radius:50%;color:white;font-size:13px}.chosen .choice-check{background:var(--purple);border-color:var(--purple)}.theme-options{display:flex;gap:20px}.theme-choice{display:flex;flex:1;flex-direction:column;padding:8px 8px 15px;gap:12px;min-width:0}.theme-preview{height:77px;background:#f7f3ff;border-radius:10px;border:1px solid #e5dcef;width:100%;display:grid;grid-template-columns:25% 1fr;grid-template-rows:18px 1fr;gap:5px;padding:5px}.theme-preview i{grid-row:span 2;background:#744bc2;border-radius:5px}.theme-preview b{background:#e5d8fa;border-radius:4px}.theme-preview.dark{background:#2c263d;border-color:#4e405f}.theme-preview.dark b{background:#514260}.theme-preview.dark i{background:#7647ca}.theme-preview.system{background:linear-gradient(90deg,#f7f3ff 50%,#2c263d 50%)}.theme-preview.system b{background:linear-gradient(90deg,#e5d8fa 50%,#514260 50%)}.theme-choice strong{display:flex;gap:7px;align-items:center;font-size:14px}.theme-choice strong .icon{width:18px;height:18px}.theme-choice>.choice-check{position:absolute;right:6px;top:6px;width:19px;height:19px}.accent-row{display:flex;align-items:center;gap:25px;margin-top:24px;font-size:14px}.accent-options{display:flex;gap:12px;flex-wrap:wrap}.accent-options button{border:2px solid transparent;border-radius:50%;width:29px;height:29px;background:var(--swatch);color:white;cursor:pointer;font-weight:bold}.accent-options button[aria-pressed=true]{outline:2px solid var(--swatch);outline-offset:3px}.account-card>p{margin-bottom:5px}.account-row{display:flex;align-items:center;gap:17px;width:100%;text-align:left;padding:17px 0;border:0;border-bottom:1px solid var(--border);background:none;color:var(--ink);font:inherit;cursor:pointer}.account-row:last-child{border-bottom:0;padding-bottom:0}.setting-icon{display:grid;place-items:center;background:var(--bg);border:1px solid var(--border);border-radius:14px;width:49px;height:49px;color:var(--purple);flex-shrink:0}.setting-icon .icon{width:25px;height:25px}.account-row>span:nth-child(2){flex:1}.account-row strong{display:block;font-size:16px}.account-row small{display:block;font-size:13px;margin-top:5px;color:var(--muted)}.account-row>span:last-child{font-size:25px;color:var(--purple)}.app-preferences h2{margin-bottom:5px}.preference-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--border)}.preference-row:last-child{border-bottom:0;padding-bottom:3px}.preference-row strong{display:block;font-size:15px}.preference-row small{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.5}.preference-row select{width:100px}.utility-modal{max-width:620px}.utility-modal p{font-size:14px;line-height:1.7}.data-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.import-label{position:relative;overflow:hidden;cursor:pointer}.import-label input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.utility-modal hr{border:0;border-top:1px solid var(--border);margin:24px 0}.edit-group-names{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.move-students{max-height:350px;overflow:auto;border-block:1px solid var(--border);padding:10px 0}.move-students label{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:5px 0;font-size:14px}.move-students select{width:160px}.activity-list{list-style:none;padding:0;margin:0}.activity-list li{padding:13px 0;border-bottom:1px solid var(--border)}.activity-list small{display:block;margin-top:5px;color:var(--muted)}#unlock-dialog::backdrop{background:#30204e;backdrop-filter:blur(20px)}#unlock-dialog h2{margin-top:0}#unlock-submit{width:100%}html:has(#unlock-dialog[open]) .app-shell{visibility:hidden}
/* Dark appearance respects semantic ability colors and the selected accent. */
:root[data-theme=dark]{color-scheme:dark;--bg:#211d2e;--surface:#2d273d;--ink:#f5efff;--text:#e0d2f2;--muted:#bcb0cd;--border:#504263;--shadow:0 5px 16px #0002}html[data-theme=dark] body{background:var(--bg)}html[data-theme=dark] .topbar{background:linear-gradient(110deg,#2e253e,#392b50);border-color:var(--border)}html[data-theme=dark] .stat{background:var(--surface)}html[data-theme=dark] .stat-value{color:var(--ink)}html[data-theme=dark] .stat-label{color:var(--text)}html[data-theme=dark] .overview-name,html[data-theme=dark] .choice.chosen,html[data-theme=dark] .history-item.current{background:linear-gradient(110deg,#3a2b50,#47335d)}html[data-theme=dark] .level-tile{color:#231b31}html[data-theme=dark] .class-card.selected{background:var(--surface)}html[data-theme=dark] .class-card,html[data-theme=dark] .classes-section,html[data-theme=dark] .class-card header,html[data-theme=dark] .card-actions,html[data-theme=dark] .search-box,html[data-theme=dark] .modal{background:var(--surface);color:var(--ink)}html[data-theme=dark] .button.secondary,html[data-theme=dark] .icon-button{background:var(--surface);color:var(--text);border-color:var(--border)}html[data-theme=dark] .language-switch{background:var(--surface)}html[data-theme=dark] .donut-center{background:var(--surface)}html[data-theme=dark] input{color:var(--ink)}html[data-theme=dark] .class-breakdown li{color:var(--text)}html[data-theme=dark] .classes-focus .class-breakdown li{background:var(--bg)}html[data-theme=dark] .bar-value{color:var(--ink)}html[data-theme=dark] .chart-scale,html[data-theme=dark] .bar-labels{color:var(--muted)}
@media(min-width:1600px){.class-workspace{grid-template-columns:minmax(300px,1fr) minmax(540px,1.84fr) minmax(285px,1fr)}.student-list{height:413px}.history-item strong,.history-item small{font-size:13px}}
@media(max-width:1450px){.class-workspace{grid-template-columns:minmax(265px,1fr) minmax(400px,1.7fr)}.history-panel{grid-column:1/-1}.history-panel #history-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.history-item{margin:0}.class-overview{gap:9px;flex-wrap:wrap}.overview-name{flex:1.5}.level-tile{padding:10px;gap:8px}.last-stat{flex:.8}.last-stat strong{font-size:15px}.class-overview>a{display:none}.settings-grid{gap:20px}.preference-card{padding:23px}.language-options{gap:12px}.language-options .choice{padding:15px;gap:10px}.theme-options{gap:12px}.accent-row{gap:17px}.accent-options{gap:9px}}
@media(max-width:1180px){.class-workspace{grid-template-columns:minmax(250px,1fr) minmax(330px,1.55fr);gap:12px}.generated-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.generator-controls{flex-wrap:wrap;gap:8px}.generator-controls>label{flex:1 1 100%}.student-row{padding:10px;gap:6px}.student-avatar{width:28px;height:28px;font-size:10px}.student-row .ability-badge{font-size:10px;padding:4px}.settings-grid{gap:15px}.preference-card{padding:20px}.language-options .choice{flex-direction:column;gap:10px;min-height:125px}.language-options .choice-check{position:absolute;right:8px;top:8px;width:17px;height:17px}.theme-preview{height:62px}.theme-choice strong{font-size:12px;gap:3px}.accent-row{align-items:flex-start;flex-direction:column;gap:14px}.history-panel #history-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.class-overview{display:grid;grid-template-columns:repeat(3,1fr)}.overview-name{grid-column:1/-1}.last-stat{grid-column:auto}.class-overview>button:last-child{justify-self:end}.level-tile{min-width:0;justify-content:center}.level-tile strong{font-size:24px}.class-workspace{grid-template-columns:minmax(240px,1fr) minmax(320px,1.4fr)}.class-workspace h2{font-size:16px}.roster-filters{flex-wrap:wrap}.roster-filters .search-box{flex-basis:100%}.roster-filters select{width:100%}.roster-panel .screen-panel-heading{flex-wrap:wrap}.student-row{padding-inline:10px}.student-row .ability-badge{font-size:9px}.current-pill{font-size:9px}.settings-grid{gap:15px}.preference-card>h2{font-size:19px}}
@media(max-width:700px){.settings-grid{grid-template-columns:1fr}.language-options .choice{flex-direction:row;min-height:94px;justify-content:center}.language-options .choice-check{position:static;width:22px;height:22px}.theme-preview{height:80px}.accent-row{flex-direction:row;align-items:center}.class-workspace{display:block}.class-workspace>[id]{display:none}.class-workspace[data-tab=students] #roster-panel,.class-workspace[data-tab=groups] #generation-panel,.class-workspace[data-tab=history] #history-panel{display:flex}.detail-tabs{width:100%;justify-content:space-between}.detail-tabs button{padding:10px 16px;flex:1;font-size:13px;gap:5px}.detail-tabs .icon{width:18px;height:18px}.roster-panel .screen-panel-heading{flex-wrap:nowrap}.student-list{height:420px}.roster-filters{flex-wrap:nowrap}.roster-filters select{width:110px}.roster-filters .search-box{flex-basis:auto}.student-row{padding:12px 15px;font-size:14px}.student-row strong{font-size:14px}.student-row .ability-badge{font-size:11px}.student-avatar{width:34px;height:34px;font-size:12px}.generator-controls{flex-wrap:nowrap}.generator-controls>label{flex:1;font-size:11px;gap:5px}.history-panel #history-list{display:block}.history-item{margin-bottom:12px}.generated-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.generation-column{gap:14px}.class-overview .level-tile .icon{width:26px;height:26px}.class-overview .last-stat{grid-column:span 1}.last-stat .icon{width:23px;height:23px}.last-stat{gap:7px;padding:5px}.last-stat strong{font-size:13px}.last-stat span{font-size:10px}.class-overview>button:last-child{width:34px}.class-overview{padding:12px;gap:10px}.overview-name h2{font-size:22px}.header-actions{gap:7px}.activity-button{display:none}.class-tools #class-sort{max-width:140px}.screen-panel-heading{padding:16px}.generated-card li{font-size:13px}}
@media(max-width:420px){.generated-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.generator-controls{flex-direction:column}.preference-card{padding:20px 17px}.language-options .choice{gap:7px;padding:15px 10px}.language-options .flag{font-size:27px}.language-options strong{font-size:14px}.language-options .choice-check{width:17px;height:17px;font-size:11px}.theme-options{gap:8px}.accent-row{flex-direction:column;align-items:flex-start}.theme-choice strong .icon{display:none}.level-tile{padding:10px 5px;gap:6px}.level-tile .icon{display:none}.level-tile span{font-size:12px}.detail-tabs button{padding:10px 8px}.student-row{padding:11px 10px;gap:7px}.student-row strong{font-size:12px}.student-row .ability-badge{font-size:10px}.student-avatar{width:29px;height:29px;font-size:10px}.roster-footer{padding:12px 10px}.edit-group-names{grid-template-columns:1fr}.move-students select{width:130px}.generation-meta>span{font-size:10px}.class-overview{gap:8px}.last-stat .icon{display:none}#manual-save{font-size:10px;padding:5px}.preference-row{gap:13px}.preference-row strong{font-size:14px}.class-tools #class-sort{max-width:100%;width:100%;order:3}}
@media(prefers-reduced-motion:reduce){.switch,.switch:after{transition:none}}
.class-workspace .panel{padding:0}.class-workspace .generator-panel{padding-bottom:12px}.class-workspace .generated-panel{padding-bottom:14px}.class-workspace .history-panel{padding-bottom:6px}.last-stat:last-of-type{flex:1.4}.last-stat:last-of-type strong{font-size:15px;white-space:nowrap}.classes-focus .class-menu{display:block}#dashboard-view:not(.classes-focus) .class-menu{display:none}
@media(max-width:700px){.last-stat:last-of-type strong{font-size:11px;white-space:normal}.class-workspace .generator-panel{padding-bottom:15px}}
:root[data-theme=dark] .workspace{background:radial-gradient(ellipse at 50% 0,#3f2c5b55,transparent 50%),var(--bg)}:root[data-theme=dark] .panel{background:var(--surface)}:root[data-theme=dark] .form-field input,:root[data-theme=dark] .form-field select{background:var(--bg);border-color:var(--border)}:root[data-theme=dark] .ability-legend li,:root[data-theme=dark] .class-breakdown li,:root[data-theme=dark] .modal-actions{border-color:var(--border)}:root[data-theme=dark] .chart-grid i{background:var(--border)}:root[data-theme=dark] .toast{background:var(--surface);color:var(--ink);border-color:var(--border)}:root[data-theme=dark] .form-error{background:#5c2835;color:#ffbac4}
.button.primary,.create-class{background:linear-gradient(165deg,color-mix(in srgb,var(--purple) 80%,#b21bff),var(--purple) 60%,color-mix(in srgb,var(--purple) 75%,#210a57))!important}.nav-link.active{background:linear-gradient(100deg,var(--purple),color-mix(in srgb,var(--purple) 70%,#3a1a68))}.heading-icon,.section-toolbar h2 .icon{color:var(--purple)}.class-overview .last-stat:first-of-type strong{font-size:24px}.generated-card li span:last-child{min-width:0}.move-students label>span{min-width:0;overflow-wrap:anywhere}.generation-result{min-width:0}
/* version00: dedicated panels at all widths; all business data stays local. */
.class-workspace{display:block}.class-workspace>[id]{display:none}.class-workspace[data-tab=students] #roster-panel,.class-workspace[data-tab=groups] #generation-panel,.class-workspace[data-tab=history] #history-panel{display:flex}.class-workspace [hidden]{display:none!important}.class-workspace .student-list{height:min(52vh,540px);min-height:150px}.student-row{font-size:15px;gap:15px}.student-row strong{font-size:15px}.student-row .ability-badge{font-size:12px;min-width:95px}.student-row .more-menu{margin-left:15px}.roster-filters .search-box{max-width:420px}.roster-filters select{width:150px}.select-all{padding:12px 16px}.generated-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.generated-card{padding:17px}.generated-card h3{font-size:17px}.generated-card li{font-size:15px}.generated-card .level-counts{max-width:200px}.group-student-count{color:var(--muted);font-size:12px;margin:0 0 10px}.generation-column{gap:20px}.generator-controls>label{flex:initial;min-width:230px;font-size:14px}.generator-controls{flex-wrap:wrap}.generated-panel{padding-bottom:18px!important}.generation-meta{font-size:13px;min-height:48px;gap:12px}.generation-actions .icon-button{width:36px;height:36px}.save-pill{font-size:13px;padding:7px 13px}.status-pill{font-size:11px;color:var(--muted)}.snapshot-note{font-size:13px;color:var(--muted);padding:0 16px}.history-panel #history-list{display:block;padding:16px}.history-day{font-size:15px;margin:10px 0 12px;color:var(--purple)}.history-day:not(:first-child){margin-top:26px}.history-record{display:flex;gap:16px;align-items:center;border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:10px;background:var(--surface)}.history-description{flex:1;min-width:0}.history-description strong,.history-description small{display:block;line-height:1.5}.history-description strong{font-size:15px}.history-description small{font-size:13px;color:var(--muted)}.history-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.history-actions .icon-button{width:37px;height:37px}.copy-text{width:100%;height:300px;resize:vertical;background:var(--bg);color:var(--ink);border:1px solid var(--border);padding:14px;border-radius:12px;font:14px/1.6 monospace}.storage-alert{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:20px;background:var(--surface);border:1px solid #e0a934;border-left:5px solid #e0a934;border-radius:15px;padding:18px;font-size:14px}.storage-alert p{margin:6px 0 0;line-height:1.6}.recovery-actions{display:flex;gap:10px;align-items:center;flex-shrink:0}.initial-counts{font-size:13px;line-height:1.5}.initial-counts summary{cursor:pointer;margin-bottom:15px}.app-preferences input[type=number]{width:88px}.bar-chart{overflow-x:auto;overflow-y:hidden}.roster-panel .screen-panel-heading{padding:15px 18px}.settings-grid{align-items:stretch}.detail-tabs button{min-height:44px}.data-actions{align-items:stretch}.import-label:focus-within{outline:3px solid var(--purple);outline-offset:3px}.generated-panel .empty-state{margin-top:10px}.empty-state>.icon{margin:auto}.class-overview{flex-wrap:wrap}.class-overview .overview-name{min-width:220px}.class-overview .last-stat{min-width:115px}.class-overview .last-stat:last-of-type{min-width:145px}.class-overview .level-tile{min-width:90px}.generation-actions{flex-wrap:wrap}
@media(max-width:1180px){.generated-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.storage-alert{flex-wrap:wrap}.history-record{gap:12px}.history-actions{gap:5px}}
@media(max-width:700px){.generated-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.generated-card{padding:12px}.generated-card h3{font-size:15px}.generated-card li{font-size:13px}.generator-controls>label{min-width:0;flex:1}.history-record{flex-wrap:wrap;padding:13px;gap:10px}.history-description{flex:1}.history-actions{width:100%;justify-content:flex-end;border-top:1px solid var(--border);padding-top:10px}.history-description strong{font-size:13px}.history-description small{font-size:12px}.student-row{gap:9px}.student-row .more-menu{margin-left:0}.student-row .ability-badge{min-width:0}.class-overview .overview-name,.class-overview .last-stat,.class-overview .last-stat:last-of-type,.class-overview .level-tile{min-width:0}.class-overview .last-stat:last-of-type strong{white-space:normal}.recovery-actions{flex-wrap:wrap}.generation-meta{gap:8px;font-size:11px}.generator-controls>label{font-size:12px}.class-tools{width:100%}.class-tools .search-box{width:100%;min-width:0;flex:1}.class-tools #class-sort{max-width:150px}.class-tools .create-class{flex:1}.section-toolbar h2{font-size:24px}.generation-actions .icon-button{width:34px;height:34px}.class-overview{display:grid;grid-template-columns:repeat(3,1fr)}.class-overview .overview-name{grid-column:1/-1}}
@media(max-width:420px){.student-row strong{font-size:12px}.student-row .ability-badge{font-size:10px}.generator-controls>label{flex:auto}.class-tools #class-sort{max-width:100%;order:3}.generated-card{padding:10px 8px}.generated-card h3{font-size:13px}.generated-card li{font-size:12px}.generated-grid{gap:8px;margin-inline:8px}.group-student-count{font-size:10px}.generation-meta>span{font-size:10px}.save-pill{font-size:11px}.screen-panel-heading{flex-wrap:wrap}.roster-filters .search-box{min-width:0}.roster-filters select{width:105px}.student-row{padding-inline:10px}.roster-footer select{width:100px}.class-overview>a{display:none}}

.history-preview-notice{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;padding:18px;border:1px solid var(--border);border-left:4px solid var(--purple);border-radius:14px;background:var(--bg)}.history-preview-notice strong{font-size:15px}.history-preview-notice p{margin:7px 0 0;font-size:13px;line-height:1.6;color:var(--muted)}.history-preview-notice .button{flex-shrink:0}@media(max-width:700px){.history-preview-notice{flex-direction:column;align-items:stretch;gap:12px}.history-preview-notice .button{white-space:normal}.generation-meta>[data-action="show-history"]{white-space:normal;font-size:11px}}