.select-control{vertical-align:middle;min-width:0;max-width:100%;display:inline-block}.select-trigger{border:1px solid var(--glass-border);background:linear-gradient(160deg,var(--glass-highlight),var(--glass-control-fill));width:100%;min-height:44px;color:var(--text-secondary);font:inherit;text-align:left;box-shadow:var(--glass-control-shadow);-webkit-backdrop-filter:var(--glass-control-filter);backdrop-filter:var(--glass-control-filter);cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;font-size:13px;transition:border-color .15s,background .15s;display:flex}.select-trigger>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.select-trigger>svg{flex-shrink:0;transition:transform .15s}.select-trigger:hover:not(:disabled){background:var(--glass-highlight);border-color:color-mix(in srgb,var(--brand-action) 45%,var(--glass-border))}.select-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}.select-trigger[aria-expanded=true]{border-color:var(--brand-action)}.select-trigger:focus-visible{outline:2px solid var(--brand-action);outline-offset:3px}.select-trigger:disabled{opacity:.45;cursor:not-allowed}.select-menu{box-sizing:border-box;border:1px solid var(--glass-edge);background:var(--glass-menu-fill);color:var(--text);box-shadow:var(--glass-menu-shadow);-webkit-backdrop-filter:var(--glass-filter);backdrop-filter:var(--glass-filter);overscroll-behavior:contain;scrollbar-width:thin;border-radius:18px;margin:0;padding:6px;position:fixed;inset:auto;overflow-y:auto}.select-menu::backdrop{background:0 0}.select-option{box-sizing:border-box;cursor:pointer;-webkit-user-select:none;user-select:none;overflow-wrap:anywhere;border-radius:11px;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:10px 12px;font-size:13px;line-height:20px;display:flex}.select-option>span{flex:1;min-width:0}.select-option>svg{color:var(--brand-action);flex-shrink:0}.select-option.selected{color:var(--brand-action);background:var(--brand-soft);font-weight:550}.select-option.active{background:var(--brand-tint);color:var(--text)}.select-option[aria-disabled=true]{opacity:.45;cursor:not-allowed;background:0 0}.field>.select-control{width:100%;display:block}.filters .select-control{min-width:110px;max-width:280px}.classroom-toolbar>.select-control{min-width:180px;max-width:100%}.classroom-groups .selection-bar .select-control{min-width:150px;max-width:220px}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.select-menu{background:var(--surface)}}@media (width<=760px){.classroom-toolbar>.select-control,.filters .select-control{flex:1;min-width:0}.select-trigger{gap:8px;font-size:12px}.select-menu{border-radius:16px}}@media (prefers-reduced-motion:reduce){.select-trigger,.select-trigger>svg{transition:none}}@media (prefers-reduced-transparency:reduce),(prefers-contrast:more){.select-menu,.select-trigger{background:var(--surface);-webkit-backdrop-filter:none;box-shadow:none;border-color:var(--glass-border)}}@media (forced-colors:active){.select-menu,.select-trigger{color:canvastext;box-shadow:none;-webkit-backdrop-filter:none;background:canvas;border-color:canvastext}.select-option.selected,.select-option.active{color:highlighttext;background:highlight}.select-option>svg{color:inherit}.select-trigger:focus-visible{outline-color:highlight}}:root{--brand:#5cadff;--on-brand:#14385b;--brand-hover:color-mix(in srgb, var(--brand) 90%, white);--brand-focus:var(--brand-action);--brand-soft:color-mix(in srgb, var(--brand) 8%, white);--brand-subtle:color-mix(in srgb, var(--brand) 3%, white);--brand-tint:color-mix(in srgb, var(--brand) 15%, white);--brand-border:color-mix(in srgb, var(--brand) 16%, white);--brand-ink:color-mix(in srgb, var(--brand) 45%, var(--text));--brand-action:var(--brand-ink);--brand-muted:color-mix(in srgb, var(--brand) 55%, var(--muted));--brand-shadow:color-mix(in srgb, var(--brand) 8%, transparent);--text:#202a3a;--muted:#8992a2;--line:#e9edf3;--surface:#fff;--radius:20px;--glass-fill:#ffffffad;--glass-content-fill:#ffffffd1;--glass-menu-fill:#ffffffe0;--glass-menu-shadow:0 14px 40px #1e325024, inset 0 1px 0 var(--glass-highlight);--glass-control-fill:#ffffff75;--glass-highlight:#ffffffe0;--glass-edge:#ffffffb8;--glass-border:#5970912e;--glass-shadow:0 8px 28px #1e325012, inset 0 1px 0 var(--glass-highlight);--glass-control-shadow:inset 0 1px 0 var(--glass-highlight), 0 2px 5px #1e32500a;--glass-filter:blur(24px) saturate(1.12);--glass-control-filter:blur(12px) saturate(1.1);--brand-control:color-mix(in srgb, var(--brand) 84%, white);--brand-control-border:color-mix(in srgb, var(--brand) 65%, var(--on-brand));--text-secondary:#52627a;--radius-control:999px;--radius-sheet:26px;color:#202a3a;font-synthesis:none;background:#f7f9fc;font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.43}a{color:inherit;text-decoration:none}button{justify-content:center;align-items:center;gap:8px;display:inline-flex}button:focus-visible,a:focus-visible{outline:3px solid var(--brand-focus);outline-offset:3px}input:focus,select:focus{border-color:var(--brand-action);outline:3px solid var(--brand-soft)}input[type=checkbox]{width:15px;height:15px;accent-color:var(--brand-action);cursor:pointer;margin:0}h1,h2,h3,p{margin:0}h2{letter-spacing:-.4px;font-size:18px;font-weight:600}h3{font-size:16px}.muted{color:var(--muted)!important}.number{font-variant-numeric:tabular-nums;letter-spacing:.2px;color:#69778c;font-size:13px}.primary,.secondary,.danger-button{white-space:nowrap;border-radius:7px;min-height:39px;padding:9px 16px;font-size:13px;font-weight:500;transition:background .15s,box-shadow .15s}.primary{background:var(--brand);border:1px solid var(--brand);color:var(--on-brand);box-shadow:0 2px 3px var(--brand-shadow)}.primary:hover:not(:disabled){background:var(--brand-hover)}.secondary{color:#4e5b6f;background:#fff;border:1px solid #dce2eb}.danger-button{color:#fff;background:#d94048;border:1px solid #d94048}.text-button{color:var(--brand-action);white-space:nowrap;background:0 0;border:0;padding:4px 0;font-size:13px}.text-button:hover{text-decoration:underline}.icon-button{color:#7d899b;background:0 0;border:0;border-radius:5px;flex-shrink:0;width:30px;height:30px;padding:0}.icon-button:hover:not(:disabled){color:#344967;background:#eef2f8}.danger-hover:hover:not(:disabled){color:#d3434a;background:#fff0f0}.full{width:100%}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);z-index:10;background:#fff;flex-direction:column;width:228px;padding:28px 18px 18px;display:flex;position:fixed;top:0;bottom:0;left:0}.brand{align-items:center;gap:12px;padding:0 9px;display:flex}.brand-text{background:var(--brand);width:37px;height:39px;color:var(--on-brand);border-radius:9px;justify-content:center;align-items:center;font-size:23px;font-weight:600;line-height:1;display:flex}.brand strong{letter-spacing:.3px;font-size:15px;font-weight:650}.brand span:not(.brand-text){color:#95a0b2;letter-spacing:2px;margin-top:5px;font-size:10px;display:block}.workspace-label{color:#5e6b7e;background:#fafbfd;border:1px solid #e8ecf2;border-radius:7px;align-items:center;gap:9px;margin:30px 4px 25px;padding:12px 9px;font-size:11px;display:flex}.workspace-label svg{color:#8a96a8;margin-left:auto}.workspace-dot{background:var(--brand);border-radius:50%;width:6px;height:6px}.nav-label{letter-spacing:1px;color:#9aa3b2;margin-bottom:12px;padding:0 13px;font-size:10px}.sidebar nav{flex-direction:column;gap:5px;display:flex}.nav-item{text-align:left;color:#6c798c;background:0 0;border:0;border-radius:7px;justify-content:flex-start;gap:11px;width:100%;min-height:45px;padding:13px;font-size:13px}.nav-item.active{background:var(--brand-soft);color:var(--brand-action);font-weight:600}.nav-count{background:var(--brand-tint);color:var(--brand-action);border-radius:4px;margin-left:auto;padding:1px 6px;font-size:11px;font-weight:500}.sidebar-bottom{margin-top:auto}.prototype-note{color:#8b98ac;padding:20px 10px;font-size:10px}.prototype-note .small-dot{background:#99a8bf;margin-right:7px}.prototype-note>span:last-child{color:#a3adbc;margin-top:6px;margin-left:14px;font-size:10px;display:block}.profile-button{text-align:left;border:0;border-top:1px solid var(--line);background:0 0;justify-content:flex-start;gap:10px;width:100%;padding:13px 8px 3px;display:flex}.profile-avatar{color:#7385a4;background:#edf1fa;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;display:flex}.profile-button strong{font-size:12px;font-weight:500;display:block}.profile-button small{color:#9aa4b3;margin-top:3px;font-size:10px;display:block}.profile-button svg{margin-left:auto}.main-shell{flex-direction:column;width:calc(100% - 228px);min-width:0;min-height:100vh;margin-left:228px;display:flex}.topbar{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:68px;min-height:68px;padding:0 42px;display:flex}.breadcrumb{color:#a0a9b7;align-items:center;gap:14px;font-size:11px;display:flex}.breadcrumb strong{color:#5d6a7e;font-weight:500}.topbar-right{align-items:center;gap:20px;display:flex}.prototype-tag{color:#8c98aa;letter-spacing:.5px;border:1px solid #e9edf4;border-radius:4px;padding:4px 7px;font-size:10px}.top-avatar{color:#7488a8;background:#eef2fa;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:11px;display:flex}.content{flex:1;width:100%;max-width:1550px;margin:0 auto;padding:38px 42px 24px}.page-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:29px;display:flex}.eyebrow{letter-spacing:2px;color:#93a0b4;font-size:9px;font-weight:600;line-height:1.5}.page-heading h1{letter-spacing:-.7px;margin:8px 0;font-size:27px;font-weight:650}.page-heading p:not(.eyebrow){color:#919caf;font-size:12px;line-height:1.8}.heading-actions{gap:10px;padding-top:19px;display:flex}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.overview{border-top:1px solid #e7edf6;border-bottom:1px solid #e7edf6;align-items:center;gap:0;margin-bottom:23px;padding:18px 0 20px;display:flex}.overview>div{border-right:1px solid #e4eaf3;min-width:150px;padding:0 37px}.overview>div:first-child{min-width:134px;padding-left:3px}.overview>div>span{color:#8d99ab;margin-bottom:8px;font-size:11px;display:block}.overview strong{letter-spacing:-1px;font-size:25px;font-weight:600;line-height:1}.overview small{color:#9ba6b6;letter-spacing:0;margin-left:8px;font-size:10px;font-weight:400}.overview-link{color:#5873aa;background:0 0;border:0;align-self:flex-end;margin-left:auto;padding:8px 0;font-size:11px}.panel-toolbar{justify-content:space-between;align-items:center;gap:16px;padding:19px 20px;display:flex}.search-input{color:#9aa7b9;background:#fff;border:1px solid #e2e7ee;border-radius:6px;align-items:center;gap:9px;width:255px;min-width:0;height:36px;padding:0 10px;display:flex}.search-input:focus-within{border-color:var(--brand-action);box-shadow:0 0 0 3px var(--brand-soft)}.search-input input{width:100%;min-width:0;height:100%;color:var(--text);background:0 0;border:0;padding:0;font-size:11px;box-shadow:none!important;outline:none!important}input::placeholder{color:#a1aaba}.filters{gap:10px;display:flex}select{appearance:auto;color:#6c788b;background:#fff;border:1px solid #e2e7ee;border-radius:6px;min-width:111px;height:36px;padding:0 10px;font-size:11px}.selection-bar{background:var(--brand-subtle);border-top:1px solid var(--brand-border);color:var(--brand-ink);align-items:center;gap:20px;padding:10px 20px;font-size:12px;display:flex}.selection-bar strong{color:var(--brand-action)}.selection-bar button:last-child{margin-left:auto}.table-scroll{width:100%;overflow-x:auto}table{border-collapse:collapse;white-space:nowrap;text-align:left;width:100%}th{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#94a0b2;background:#fafbfd;height:40px;padding:0 20px;font-size:10px;font-weight:500}td{color:#78859a;border-bottom:1px solid #f0f3f7;height:63px;padding:14px 20px;font-size:11px}tr:last-child td{border-bottom:0}.selected-row{background:var(--brand-subtle)}.check-col{width:35px;padding-right:0}td:first-child:has(input){width:35px;padding-right:0}.actions-col{width:88px}.person{align-items:center;gap:11px;display:flex}.avatar{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:31px;height:31px;font-size:11px;font-weight:500;display:flex}.tone-0{color:#7890bb;background:#eef1fa}.tone-1{color:#78a38c;background:#edf5f0}.tone-2{color:#c99c78;background:#fbf0e9}.tone-3{color:#ab92c7;background:#f2eefa}.person-name{color:#3c485b;font-size:12px;font-weight:500}.badges{flex-wrap:wrap;gap:5px;max-width:240px;display:flex}.badge{white-space:nowrap;color:#8395b2;background:#f5f8fd;border:1px solid #e7edf8;border-radius:4px;align-items:center;padding:4px 7px;font-size:9px;display:inline-flex}.row-actions{gap:4px;display:flex}.row-actions .icon-button{width:25px;height:28px}.pagination{border-top:1px solid var(--line);color:#99a4b5;justify-content:space-between;align-items:center;padding:11px 19px;font-size:10px;display:flex}.pagination>div{align-items:center;gap:14px;display:flex}.pagination>div>span{color:#8b98ac;font-variant-numeric:tabular-nums;font-size:11px}.page-footnote{color:#a0abbb;margin-top:15px;font-size:10px}.app-footer{letter-spacing:.5px;color:#a5afbd;justify-content:space-between;gap:16px;padding:16px 42px 20px;font-size:9px;display:flex}.groups-layout{grid-template-columns:235px minmax(0,1fr);gap:21px;display:grid}.group-list{align-self:start;padding:18px 10px}.group-list-title{justify-content:space-between;align-items:center;padding:3px 10px 17px;display:flex}.group-list-title h2{letter-spacing:0;font-size:12px}.group-list-title>span{color:#95a0b2;font-size:10px}.group-item{background:#fff;border:0;border-radius:8px;justify-content:flex-start;gap:12px;width:100%;min-height:71px;padding:14px 12px}.group-item-icon{color:#889abd}.group-item.active .group-item-icon{color:var(--brand-action)}.group-item>span:nth-child(2){text-align:left;word-break:break-all;min-width:0}.group-item strong{color:#5f6c81;font-size:12px;font-weight:500;display:block}.group-item.active strong{color:var(--brand-action)}.group-item small{color:#a2adbf;margin-top:5px;font-size:10px;display:block}.group-item>svg{color:#a5b5d3;flex-shrink:0;margin-left:auto}.add-group{color:#8798b5;background:#fff;border:1px dashed #dce3ef;border-radius:6px;width:calc(100% - 16px);min-height:36px;margin:13px 8px 1px;font-size:11px}.group-list-empty{color:#9fa9b7;padding:18px 10px;font-size:12px}.group-detail{min-height:380px}.group-detail-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:24px;display:flex}.group-title{align-items:center;gap:12px;display:flex}.group-title h2{word-break:break-all;max-width:260px;font-size:18px}.group-detail-heading p{color:#9ba8bb;margin-top:8px;font-size:10px}.group-detail-actions{align-items:center;gap:7px;display:flex}.group-detail-actions .secondary{min-height:33px;padding:8px 10px;font-size:11px}.group-member-toolbar{justify-content:space-between;align-items:center;gap:10px;padding:16px 20px;display:flex}.group-member-toolbar .search-input{width:220px}.group-detail th,.group-detail td{padding-left:17px;padding-right:17px}.group-detail .person{gap:7px}.group-detail .table-scroll{max-height:620px;overflow:auto}.draw-layout{grid-template-columns:326px minmax(0,1fr);align-items:start;gap:26px;display:grid}.draw-config{padding:25px 24px}.section-kicker{align-items:center;gap:11px;margin-bottom:25px;display:flex}.icon-tile{background:var(--brand-soft);border:1px solid var(--brand-border);color:var(--brand-action);border-radius:9px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.section-kicker h2{letter-spacing:0;font-size:15px}.section-kicker p{color:#99a7bc;margin-top:6px;font-size:10px}.segmented{background:#f7f9fc;border:1px solid #e7edf5;border-radius:7px;gap:3px;margin-bottom:23px;padding:4px;display:flex}.segmented button{color:#8c9ab1;white-space:nowrap;background:0 0;border:0;border-radius:5px;flex:1;padding:10px 6px;font-size:11px}.segmented button.active{color:var(--brand-action);background:#fff;font-weight:500;box-shadow:0 1px 5px #1224420d}.candidate-info{background:var(--brand-subtle);border:1px solid var(--brand-border);border-radius:8px;margin-bottom:23px;padding:17px}.candidate-info>span{color:#8c9ebd;margin-bottom:11px;font-size:11px;display:block}.candidate-info strong{letter-spacing:-.5px;color:var(--brand-action);font-size:26px;font-weight:600}.candidate-info small{color:#99a8c0;letter-spacing:0;font-size:10px;font-weight:400}.field{color:#657389;margin-bottom:19px;font-size:12px;font-weight:500;display:block}.field>input,.field>select{color:#3f4f69;background:#fff;border:1px solid #e1e7f0;border-radius:6px;width:100%;height:40px;margin-top:9px;padding:10px 12px;font-size:12px;font-weight:400;display:block}.field>small{color:#a0adbf;margin-top:10px;font-size:10px;font-weight:400;line-height:1.7;display:block}.count-input{margin-top:9px;position:relative}.count-input input{color:#3e506d;background:#fff;border:1px solid #e1e7f0;border-radius:6px;width:100%;height:41px;padding:11px 36px 11px 13px}.count-input span{color:#9babbe;font-size:11px;position:absolute;top:13px;right:13px}.draw-button{height:43px;margin-top:3px;font-size:13px}.draw-rule{color:#9eabc0;justify-content:center;align-items:center;gap:5px;margin-top:16px;font-size:9px;display:flex}.draw-stage{border:1px solid var(--brand-border);background:linear-gradient(145deg,var(--brand-soft) 0%,var(--brand-subtle) 70%);border-radius:12px;flex-direction:column;min-height:487px;padding:22px 28px 25px;display:flex;position:relative;overflow:hidden}.stage-heading{justify-content:space-between;align-items:center;display:flex}.stage-heading .eyebrow{color:#99aad0;letter-spacing:2px;font-size:8px}.stage-badge{border:1px solid var(--brand-border);color:var(--brand-muted);background:#ffffffa6;border-radius:5px;padding:5px 8px;font-size:9px}.stage-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:65px 0 90px;display:flex}.dice-art{width:112px;height:112px;color:var(--brand-muted);background:var(--brand-tint);box-shadow:0 0 0 16px var(--brand-soft),0 0 0 32px var(--brand-subtle);border-radius:28px;justify-content:center;align-items:center;margin:15px 0 38px;display:flex;transform:rotate(-12deg)}.stage-empty h2{color:#59719b;letter-spacing:1px;font-size:22px;font-weight:500}.stage-empty p{color:#9aaac2;margin-top:13px;font-size:11px}.stage-dots{gap:7px;margin-top:27px;display:flex}.stage-dots span{background:#c0cfe9;border-radius:50%;width:4px;height:4px}.stage-footer{text-align:center;color:#a5b4cc;margin-top:auto;padding-top:23px;font-size:9px;position:relative}.small-dot{background:#94aedc;border-radius:50%;width:5px;height:5px;margin-right:6px;display:inline-block}.result-title{text-align:center;padding:28px 0 24px}.result-check{background:var(--brand-soft);color:var(--brand-action);border-radius:50%;justify-content:center;align-items:center;width:31px;height:31px;margin:0 auto 11px;display:flex}.result-title h2{color:var(--brand-ink);letter-spacing:.7px;font-size:21px;font-weight:500}.result-title p{color:#9caecb;margin-top:9px;font-size:10px}.results-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;max-height:420px;padding:3px;display:grid;overflow:auto}.result-card{border:1px solid var(--brand-border);box-shadow:0 5px 10px var(--brand-shadow);text-align:center;background:#ffffffdc;border-radius:9px;min-width:0;padding:26px 9px 20px;animation:.35s ease-out appear;position:relative}.result-index{color:#c2cce0;font-variant-numeric:tabular-nums;font-size:9px;position:absolute;top:11px;left:13px}.result-avatar{background:var(--brand-soft);width:43px;height:43px;color:var(--brand-muted);border-radius:13px;justify-content:center;align-items:center;margin:0 auto 13px;font-size:20px;display:flex}.result-card h3{color:var(--brand-ink);overflow-wrap:anywhere;font-size:17px;font-weight:600}.result-card p{color:#a2b1c8;margin:7px 0 13px;font-size:9px}.result-number{letter-spacing:.4px;color:#a9b6ca;background:#f8fafe;border:1px solid #ecf0f8;border-radius:4px;padding:4px 7px;font-size:10px}.results-grid.single{width:260px;max-width:100%;margin:0 auto;display:block}.single .result-card{padding:26px 20px}.single .result-avatar{border-radius:19px;width:61px;height:61px;margin-bottom:16px;font-size:26px}.single h3{letter-spacing:2px;font-size:28px}.single p{margin:11px 0 17px;font-size:11px}.spinning{animation:1s ease-in-out infinite dice}.drawing .stage-dots span{animation:.5s infinite alternate pulse}.drawing .stage-dots span:nth-child(2){animation-delay:.1s}.drawing .stage-dots span:nth-child(3){animation-delay:.2s}@keyframes dice{50%{transform:rotate(15deg)scale(.94)}}@keyframes pulse{to{opacity:.2;transform:scale(1.5)}}@keyframes appear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.neutral-tag{color:#8f9db2;white-space:nowrap;background:#f5f7fb;border:1px solid #ecf0f6;border-radius:4px;padding:5px 8px;font-size:10px}.reset-demo{align-self:flex-end;font-size:10px}.empty{text-align:center;color:#8da0be;padding:65px 20px}.empty-icon{color:#9cafd0;background:#f1f5fc;border-radius:13px;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 16px;display:flex}.empty h3{color:#667c9d;font-size:15px;font-weight:500}.empty p{color:#a0acc0;margin:10px 0 18px;font-size:11px;line-height:1.9}.empty button{min-height:35px;font-size:11px}.dialog{width:440px;max-width:calc(100vw - 32px);max-height:calc(100vh - 48px);color:var(--text);background:#fff;border:1px solid #e3e9f3;border-radius:13px;padding:0;overflow:auto;box-shadow:0 20px 100px #1e33542b}.dialog.wide{width:670px}.dialog-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding:24px 25px 20px;display:flex}.dialog-heading h2{color:#35455e;font-size:19px}.dialog-heading p{color:#929fb3;margin-top:8px;font-size:11px;line-height:1.8}.dialog-body{padding:23px 25px}.dialog-footer{border-top:1px solid var(--line);background:#fcfdff;justify-content:flex-end;align-items:center;gap:9px;padding:17px 25px;display:flex}.dialog .field:last-child{margin-bottom:0}.required{color:#7694ce;font-size:12px}.error{color:#d25159;background:#fff9f9;border:1px solid #f7dfe0;border-radius:5px;margin-top:13px;padding:11px 12px;font-size:11px;line-height:1.7}.confirm-text{color:#8290a6;font-size:13px;line-height:2}.footer-count{color:#9aa8bf;margin-right:auto;font-size:10px}.member-select-heading{color:#7185a3;justify-content:space-between;align-items:center;margin:22px 0 11px;font-size:11px;display:flex}.member-select-heading strong{font-weight:500}.member-select-heading span{color:#a1aec2;font-size:10px}.dialog .search-input{width:100%}.member-picker{border:1px solid #e6ecf5;border-radius:7px;max-height:280px;margin-top:12px;overflow:auto}.member-picker label{cursor:pointer;border-bottom:1px solid #f0f3f8;align-items:center;gap:12px;padding:12px 15px;display:flex}.member-picker label:last-child{border-bottom:0}.member-picker label:hover{background:#fafcff}.member-pick-name{color:#5d7191;font-size:12px}.member-pick-name small{color:#a0adc0;margin-top:5px;font-size:10px;display:block}.member-picker label>.muted{margin-left:auto;font-size:10px}.picker-empty{color:#a0adbf;text-align:center;padding:30px 15px;font-size:11px}.import-steps{justify-content:center;align-items:center;gap:15px;margin-bottom:25px;display:flex}.import-steps span{color:#a3b0c5;white-space:nowrap;align-items:center;gap:7px;font-size:10px;display:flex}.import-steps span b{background:#f0f3f9;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:9px;font-weight:400;display:flex}.import-steps span.active{color:var(--brand-action)}.import-steps span.active b{background:var(--brand-soft)}.import-steps i{background:#e8edf6;width:45px;height:1px;display:block}.dropzone{border:1px dashed var(--brand-border);background:var(--brand-subtle);border-radius:9px;flex-direction:column;align-items:center;padding:30px 20px 22px;display:flex}.upload-tile{color:var(--brand-muted);background:var(--brand-soft);border:1px solid var(--brand-border);border-radius:14px;justify-content:center;align-items:center;width:60px;height:60px;margin-bottom:15px;display:flex}.dropzone h3{color:#5b74a0;font-size:14px;font-weight:500}.dropzone p{color:#9baac2;margin:9px 0 17px;font-size:10px}.dropzone .secondary{min-height:33px;font-size:11px}.dropzone small{color:#a4b3c9;margin-top:20px;font-size:9px}.template-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;padding:20px 0;display:flex}.template-row strong{color:#7488a8;font-size:11px;font-weight:500}.template-row p{color:#a3aec0;margin-top:6px;font-size:10px;line-height:1.7}.template-row .text-button{font-size:11px}.import-guidance{color:#9aa8bd;margin-top:15px;font-size:10px;line-height:1.9}.preview-file{background:var(--brand-subtle);color:#8da3c6;border:1px solid #e8eef9;border-radius:6px;align-items:center;gap:10px;padding:12px 14px;font-size:12px;display:flex}.preview-file span{text-overflow:ellipsis;overflow:hidden}.preview-file button{margin-left:auto;font-size:10px}.import-summary{text-align:center;padding:20px 0;display:flex}.import-summary>div{border-right:1px solid var(--line);flex:1}.import-summary>div:last-child{border-right:0}.import-summary strong{color:#708bb6;font-size:24px;font-weight:500;display:block}.import-summary span{color:#9bacc3;margin-top:7px;font-size:10px;display:block}.import-summary .has-errors strong{color:#d36b72}.preview-table{border:1px solid var(--line);border-radius:6px;max-height:270px;overflow:auto}.preview-table th{z-index:1;padding:0 12px;font-size:10px;position:sticky;top:0}.preview-table td{height:41px;padding:9px 12px;font-size:10px}.preview-table .number{font-size:10px}.status-badge{border-radius:4px;padding:4px 7px;font-size:9px;display:inline-block}.status-badge.add{color:#73a489;background:#edf7f1}.status-badge.update{background:var(--brand-soft);color:var(--brand-ink)}.status-badge.error{color:#cf737c;white-space:normal;background:#fff1f1;border:0;max-width:190px;margin:0;padding:4px 7px}.error-banner,.inline-message{color:#c2787a;background:#fff7f7;border:1px solid #f6e4e4;border-radius:6px;align-items:flex-start;gap:7px;margin-bottom:14px;padding:11px 12px;font-size:10px;line-height:1.8;display:flex}.error-banner svg,.inline-message svg{flex-shrink:0}.inline-message{color:#a48760;background:#fffdf6;border-color:#f3edda}.toast{color:#657c9f;z-index:1000;background:#fff;border:1px solid #e2e9f3;border-radius:9px;align-items:center;gap:10px;max-width:calc(100vw - 40px);padding:12px 17px;font-size:12px;animation:.2s appear;display:flex;position:fixed;bottom:31px;left:calc(50% + 114px);transform:translate(-50%);box-shadow:0 8px 40px #233e681c}.toast-icon{color:#7bab93;background:#eef7f2;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.toast>.icon-button{width:22px;height:22px;margin-left:9px}.login-page{background:#f6f9ff;justify-content:center;align-items:center;min-height:100vh;padding:30px;display:flex}.login-card{background:#fff;border:1px solid #e8edf7;border-radius:17px;width:430px;max-width:100%;padding:44px 39px;box-shadow:0 20px 60px #23487208}.login-card>.brand-text{margin-bottom:22px}.login-card .eyebrow{color:#9daecc;letter-spacing:4px;margin-bottom:17px;font-size:11px}.login-card h1{color:#3e567e;letter-spacing:.5px;font-size:25px;font-weight:500;line-height:1.65}.login-description{color:#9aaac1;margin:18px 0 29px;font-size:11px;line-height:1.9}.login-card .secondary{margin-top:12px}.login-note{color:#a7b4c8;margin-top:25px;font-size:9px;line-height:1.9}.login-page .toast{left:50%}@media (width>=1600px){.content{padding-top:48px}.page-heading{margin-bottom:36px}td{height:67px}}@media (width<=1200px){.sidebar{width:204px;padding-left:12px;padding-right:12px}.main-shell{width:calc(100% - 204px);margin-left:204px}.content{padding:30px 27px 24px}.topbar{padding:0 27px}.app-footer{padding-left:27px;padding-right:27px}.overview>div{min-width:126px;padding:0 24px}.draw-layout{grid-template-columns:290px minmax(0,1fr);gap:20px}.draw-config{padding:22px 19px}.draw-stage{padding:22px 20px}.groups-layout{grid-template-columns:194px minmax(0,1fr);gap:16px}.group-detail-heading{padding:20px}.group-member-toolbar{flex-wrap:wrap}.group-detail th,.group-detail td{padding-left:12px;padding-right:12px}.toast{left:calc(50% + 102px)}}@media (width<=1000px){.sidebar{width:190px}.brand{gap:9px;padding:0 3px}.brand strong{font-size:13px}.brand span:not(.brand-text){font-size:8px}.brand-text{width:33px;height:36px;font-size:21px}.main-shell{width:calc(100% - 190px);margin-left:190px}.content{padding:28px 22px}.topbar{padding:0 22px}.heading-actions{gap:7px}.heading-actions .primary,.heading-actions .secondary{padding:8px 10px;font-size:11px}.overview>div{min-width:106px;padding:0 20px}.overview>div:first-child{min-width:106px}.overview-link{gap:4px;font-size:9px}.draw-layout{grid-template-columns:260px minmax(0,1fr);gap:16px}.draw-config{padding:20px 17px}.section-kicker h2{font-size:13px}.section-kicker p{font-size:9px}.draw-stage{padding:20px 15px}.results-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.groups-layout{grid-template-columns:1fr}.group-list{align-items:center;gap:6px;padding:10px;display:flex;overflow-x:auto}.group-list-title{display:none}.group-item{flex-shrink:0;width:auto;min-width:138px;min-height:58px;padding:9px 10px}.group-item>svg,.group-item-icon{display:none}.add-group{width:90px;min-width:90px;min-height:37px;margin:0}.group-title h2{max-width:none}.toast{left:calc(50% + 95px)}}@media (width<=760px){.app-shell{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffffa;flex-flow:wrap;align-items:center;width:100%;height:auto;padding:10px 15px 0;display:flex;position:sticky;top:0;bottom:auto}.brand{margin-right:auto;padding:0}.brand-text{border-radius:7px;width:29px;height:31px;font-size:18px}.brand strong{font-size:12px}.brand span:not(.brand-text),.workspace-label,.nav-label,.sidebar-bottom{display:none}.sidebar nav{flex-direction:row;gap:6px;width:100%;margin-top:10px;display:flex}.nav-item{border-radius:6px 6px 0 0;flex:1;justify-content:center;gap:6px;min-height:39px;padding:9px 4px;font-size:11px}.nav-item svg{width:16px}.nav-count{display:none}.main-shell{width:100%;min-height:calc(100vh - 88px);margin:0}.topbar{height:42px;min-height:42px;padding:0 20px}.breadcrumb{gap:10px;font-size:9px}.topbar-right{gap:10px}.prototype-tag{padding:3px 5px;font-size:8px}.top-avatar{width:23px;height:23px;font-size:9px}.content{padding:25px 19px 20px}.page-heading{align-items:center;gap:10px;margin-bottom:22px}.page-heading .eyebrow{letter-spacing:1.5px;font-size:8px}.page-heading h1{font-size:23px}.page-heading p:not(.eyebrow){font-size:10px}.heading-actions{gap:6px;padding-top:12px}.heading-actions .secondary,.heading-actions .primary{gap:5px;min-height:34px;padding:8px 9px;font-size:10px}.heading-actions svg{width:14px}.overview{flex-wrap:wrap;margin-bottom:18px;padding:15px 0;position:relative}.overview>div{flex:1;min-width:0;padding:0 22px}.overview>div:first-child{min-width:0;padding-left:2px}.overview>div:nth-child(3){border:0}.overview>div>span{font-size:10px}.overview strong{font-size:23px}.overview-link{display:none}.panel-toolbar{flex-wrap:wrap;gap:10px;padding:13px}.search-input{width:100%;height:36px}.filters{gap:8px;width:100%}.filters select{flex:1;min-width:0;height:33px;font-size:10px}th{padding:0 14px;font-size:9px}td{height:59px;padding:12px 14px;font-size:10px}.person-name{font-size:11px}.person{gap:8px}.avatar{width:28px;height:28px}.badge{font-size:8px}.badges{max-width:180px}.check-col{padding-right:0}.roster-panel table{min-width:570px}.pagination{padding:10px 12px;font-size:9px}.pagination>div{gap:9px}.page-footnote{font-size:9px;line-height:1.8}.app-footer{padding:14px 20px;font-size:8px}.groups-layout{gap:14px}.group-detail-heading{padding:17px 15px}.group-title h2{max-width:170px;font-size:16px}.group-detail-heading p{font-size:9px}.group-detail-actions .secondary{padding:6px 8px;font-size:10px}.group-member-toolbar{padding:13px 14px}.group-member-toolbar .search-input{width:100%}.group-detail table{min-width:510px}.draw-layout{grid-template-columns:1fr;gap:18px}.draw-config{padding:22px}.draw-stage{min-height:415px;padding:21px}.draw-config .section-kicker{margin-bottom:20px}.draw-config .section-kicker h2{font-size:15px}.draw-config .section-kicker p{font-size:10px}.draw-config .segmented,.draw-config .candidate-info{margin-bottom:18px}.candidate-info{justify-content:space-between;align-items:center;padding:14px 15px;display:flex}.candidate-info>span{margin:0;font-size:11px}.candidate-info strong{font-size:22px}.draw-config .field{margin-bottom:16px}.draw-rule{font-size:9px}.stage-empty{padding:43px 0 60px}.dice-art{border-radius:23px;width:90px;height:90px;margin-bottom:35px}.dice-art svg{width:46px}.stage-empty h2{font-size:20px}.stage-empty p{font-size:10px}.results-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.result-card h3{font-size:15px}.result-number{padding:3px 4px;font-size:8px}.result-avatar{width:37px;height:37px;font-size:17px}.result-card{padding:26px 6px 17px}.single .result-card{padding:26px 20px}.single .result-number{font-size:10px}.single h3{font-size:27px}.toast{width:max-content;max-width:calc(100vw - 24px);padding:11px 12px;font-size:11px;bottom:20px;left:50%}.dialog-heading{padding:21px 20px 17px}.dialog-body{padding:20px}.dialog-footer{padding:15px 20px}.dialog-heading h2{font-size:17px}.dialog-heading p{font-size:10px}.import-steps{gap:10px}.import-steps i{width:23px}.template-row{align-items:flex-start;gap:9px}.template-row .text-button{font-size:10px}.preview-table table{min-width:400px}.selection-bar{gap:13px;padding:9px 12px;font-size:10px}.selection-bar .text-button{font-size:10px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}th{color:#768397;font-size:11px}td{color:#64748b;font-size:12px}.person-name{font-size:13px}.search-input input,select{font-size:12px}.page-heading p:not(.eyebrow){color:#7d8a9e;font-size:13px}.field{color:#596b85;font-size:13px}.field>input,.field>select{font-size:13px}.badge{color:#7186a6;font-size:10px}.stage-empty p,.result-title p{color:#8195b5}.result-card p{color:#7f94b3;font-size:11px}.result-number{color:#7f92af}.draw-rule,.field>small{color:#8293ad;font-size:10px}.segmented button{font-size:12px}.group-item strong{font-size:13px}.group-item small{font-size:11px}.page-footnote{color:#8998ae;font-size:11px}@media (width<=760px){th{font-size:10px}td{font-size:11px}.person-name{font-size:12px}.badge{font-size:9px}.page-heading p:not(.eyebrow){font-size:11px}.page-footnote,.result-card p{font-size:10px}}.brand{margin-bottom:32px}.page-heading{align-items:center}.heading-actions{padding-top:0}.empty button{margin-top:18px}.stage-heading{justify-content:flex-end}.login-card h1{margin-bottom:28px}.dropzone p{margin-bottom:14px}@media (width<=760px){.brand{margin-bottom:0}.heading-actions{padding-top:0}}.sort-heading{min-height:40px;font:inherit;color:inherit;white-space:nowrap;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;padding:0;display:inline-flex}.sort-heading svg{opacity:.5;flex-shrink:0}.sort-heading:hover,.sort-heading.active{color:var(--brand-action)}.sort-heading.active svg{opacity:1}.sort-heading:focus-visible{outline:2px solid var(--brand-action);outline-offset:3px;border-radius:4px}.roster-scroll.continuous{overscroll-behavior:contain;scrollbar-gutter:stable;max-height:min(65vh,620px);overflow:auto}.roster-scroll.continuous>.table-scroll{overflow:visible}.roster-scroll.continuous th{z-index:2;background:var(--surface);box-shadow:inset 0 -1px 0 var(--line);position:sticky;top:0}.roster-scroll.continuous:focus-visible{outline:2px solid var(--brand-action);outline-offset:-2px}.roster-load-marker{height:1px}.pagination .roster-mode-switch{gap:0;margin:0;padding:3px}.roster-mode-switch button{min-height:34px;padding:5px 12px;font-size:11px}@media (width<=760px){.roster-pagination{flex-wrap:wrap;gap:8px}.roster-pagination .roster-footer-actions{flex-wrap:wrap;gap:8px;margin-left:auto}.roster-mode-switch button{min-height:40px}.roster-scroll.continuous{max-height:60vh}}:root{background:#f3f6fa;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}.app-shell,.login-page{background:radial-gradient(ellipse at 15% 0, var(--brand-tint), transparent 48%), radial-gradient(ellipse at 100% 70%, #e6ecf5, transparent 52%), #f3f6fa}.sidebar,.topbar,.segmented,.toast{background:var(--glass-fill);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:var(--glass-filter);backdrop-filter:var(--glass-filter)}.sidebar{border-radius:var(--radius-sheet);width:200px;height:auto;padding:24px 12px 16px;top:14px;bottom:14px;left:14px}.brand{gap:9px;padding:0 4px}.brand strong{font-size:13px}.app-logo{object-fit:contain;flex:0 0 36px;width:36px;height:36px;display:block}.login-card>.app-logo{width:48px;height:48px;margin-bottom:22px}.topbar{z-index:10;border-radius:var(--radius-control);height:52px;min-height:52px;margin:14px 28px 0;padding:0 22px;position:sticky;top:14px}.nav-item{border-radius:var(--radius-control);min-height:46px}.nav-item.active{background:var(--brand-soft);box-shadow:inset 0 1px 0 var(--glass-highlight), 0 2px 6px #1e32500d}.nav-item:hover{background:var(--glass-highlight)}.nav-item.active:hover{background:var(--brand-tint)}.nav-count{border-radius:var(--radius-control);padding:2px 7px}.profile-button{border-radius:18px}.primary,.secondary,.danger-button{border-radius:var(--radius-control);min-height:44px;box-shadow:var(--glass-shadow);padding:10px 18px;transition:background .18s,box-shadow .18s,transform .18s}.primary{background:var(--brand-control);color:var(--on-brand);border:1px solid color-mix(in srgb, var(--brand-control-border) 50%, transparent);box-shadow:inset 0 1px #ffffff38,0 3px 9px #214a781a}.primary:hover:not(:disabled){background:color-mix(in srgb, var(--brand-control) 88%, white);border-color:var(--brand-control-border)}.secondary{background:linear-gradient(155deg, var(--glass-highlight), var(--glass-fill));border-color:var(--glass-border);color:var(--text-secondary);box-shadow:var(--glass-control-shadow);-webkit-backdrop-filter:var(--glass-control-filter);backdrop-filter:var(--glass-control-filter)}.secondary:hover:not(:disabled){background:var(--glass-highlight);border-color:var(--glass-border)}.primary:hover:not(:disabled),.secondary:hover:not(:disabled){transform:translateY(-1px)}.primary:active:not(:disabled),.secondary:active:not(:disabled){transform:scale(.98)}.icon-button{border-radius:50%}.icon-button:hover{background:var(--glass-highlight)}.panel,.draw-stage,.login-card,.board-column,.matrix-panel,.statistic-card,.distribution-panel{background:var(--glass-content-fill);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:inset 0 1px 0 var(--glass-highlight), 0 6px 22px #1e325008;-webkit-backdrop-filter:var(--glass-filter);backdrop-filter:var(--glass-filter)}.panel-toolbar,.group-member-toolbar{background:var(--glass-control-fill);padding:18px 20px}.board-heading{background:var(--glass-control-fill)}.search-input,.field>input,.field>select,.count-input input,.filters select,.classroom-toolbar>select,.date-toolbar input[type=date],.classroom-groups .selection-bar select{background:linear-gradient(160deg, var(--glass-highlight), var(--glass-control-fill));border:1px solid var(--glass-border);min-height:42px;color:var(--text-secondary);box-shadow:var(--glass-control-shadow);-webkit-backdrop-filter:var(--glass-control-filter);backdrop-filter:var(--glass-control-filter);border-radius:12px}.search-input input{color:var(--text);background:0 0}.search-input{color:var(--text-secondary)}.search-input input::placeholder,.field>input::placeholder{color:#687990}select option{background:var(--surface);color:var(--text)}.search-input:focus-within,.field>input:focus,.field>select:focus,.count-input input:focus,.filters select:focus,.classroom-toolbar>select:focus,.date-toolbar input[type=date]:focus,.classroom-groups .selection-bar select:focus{border-color:var(--brand-action);outline:2px solid var(--brand-action);outline-offset:2px;box-shadow:var(--glass-control-shadow)}input[type=checkbox]{appearance:none;background:linear-gradient(155deg, var(--glass-highlight), var(--glass-control-fill));width:17px;height:17px;box-shadow:inset 0 1px 0 var(--glass-highlight);border:1px solid #8a9ab0;border-radius:5px;flex-shrink:0}input[type=checkbox]:checked{border-color:var(--brand-control-border);background:var(--brand-control) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 8 2.5 2.5L12 5' fill='none' stroke='%2314385B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}input[type=checkbox]:indeterminate{background:var(--brand-control);border-color:var(--brand-control-border);box-shadow:inset 0 6px 0 var(--brand-control), inset 0 -6px 0 var(--brand-control), inset 0 0 0 16px var(--on-brand)}input[type=checkbox]:focus-visible{outline:2px solid var(--brand-action);outline-offset:3px}input[type=checkbox]:disabled{opacity:.45;cursor:not-allowed}th{color:var(--text-secondary);border-color:var(--glass-border);background:#eff4faa3}td{color:var(--text-secondary);border-bottom-color:#7489a41f}tbody tr:hover{background:#ffffff75}tbody tr.selected-row{background:var(--brand-soft)}.pagination,.group-detail-heading{background:var(--glass-control-fill);border-color:var(--glass-border)}.badge{border-color:var(--glass-border);color:#536a8a;background:#f4f8ffc2;border-radius:7px}.member-picker,.preview-table{border-color:var(--glass-border);background:#ffffff5c}.board-cards>.student-drag-card{background:linear-gradient(155deg, var(--glass-highlight), var(--glass-fill));border-color:var(--glass-border);box-shadow:var(--glass-control-shadow);-webkit-backdrop-filter:var(--glass-control-filter);backdrop-filter:var(--glass-control-filter)}.board-cards>.student-drag-card.picked{background:var(--brand-soft);border-color:var(--brand-action)}.board-column.drop-target{background:var(--brand-subtle);outline:2px solid var(--brand-action);outline-offset:-2px}.group-item{background:0 0;border-radius:18px}.group-item:hover{background:var(--glass-control-fill)}.group-item.active{background:var(--brand-soft)}.segmented{border-radius:var(--radius-control);padding:5px}.segmented button{border-radius:var(--radius-control);min-height:40px}.segmented button.active{background:var(--glass-highlight);box-shadow:0 2px 8px #1e32501a,inset 0 1px #fff}.candidate-info,.result-card{border-radius:16px}.candidate-info{background:var(--brand-subtle)}.result-card{background:var(--glass-content-fill)}.stage-badge,.prototype-tag{border-radius:var(--radius-control)}.dialog{border-radius:var(--radius-sheet);background:var(--glass-content-fill);border-color:var(--glass-edge);-webkit-backdrop-filter:var(--glass-filter);backdrop-filter:var(--glass-filter)}.dialog-heading,.dialog-footer{background:linear-gradient(160deg, var(--glass-highlight), var(--glass-control-fill));border-color:var(--glass-border)}.dialog::backdrop{-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#18263c40}.dialog-body{background:0 0}.dropzone{border-radius:18px}.member-picker,.preview-table{border-radius:12px}.toast{border-radius:var(--radius-control);color:#44546c}.login-card{border-radius:var(--radius-sheet)}.draw-button{height:46px}@media (width<=1200px) and (width>=761px){.sidebar{width:176px}.brand strong{font-size:12px}.topbar{margin-inline:22px}}@media (width<=1000px) and (width>=761px){.sidebar{width:162px}.brand{gap:6px;padding:0}.brand strong{font-size:11px}}@media (width<=760px){.sidebar{border-radius:24px;width:calc(100% - 20px);margin:8px 10px 0;padding:12px 10px 6px;top:8px;bottom:auto;left:auto;overflow:visible}.sidebar nav{gap:2px;margin-top:8px}.nav-item{border-radius:var(--radius-control);gap:4px;min-height:44px;padding:8px 3px;font-size:11px}.nav-item svg{width:15px}.brand{padding-left:3px}.brand strong{font-size:12px}.topbar{height:40px;min-height:40px;box-shadow:none;margin:10px 14px 0;padding:0 14px;position:static}.content{padding:24px 16px}.heading-actions .primary,.heading-actions .secondary{min-height:40px;padding:9px 11px}.panel-toolbar{padding:14px}.filters select{min-height:40px}.group-detail-actions .secondary{min-height:40px;padding:8px 11px}.dialog{max-width:calc(100vw - 24px)}.account-row .secondary{min-height:40px}.toast{border-radius:20px}}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){:root{--glass-fill:#f8fafc;--glass-content-fill:#fff;--glass-control-fill:#f8fafc;--glass-highlight:#fff}}@media (prefers-reduced-transparency:reduce),(prefers-contrast:more){:root{--glass-fill:#fff;--glass-content-fill:#fff;--glass-control-fill:#fff;--glass-highlight:#fff;--glass-edge:#ccd5e0;--glass-border:#8e9bac;--glass-filter:none;--glass-control-filter:none}.app-shell,.login-page{background:#f3f6fa}th,.member-picker,.preview-table,.badge{background:var(--surface)}.board-cards>.student-drag-card,.date-toolbar input[type=date]{background:var(--surface);box-shadow:none}.dialog::backdrop{-webkit-backdrop-filter:none;backdrop-filter:none;background:#18263c73}}@media (prefers-reduced-motion:reduce){.primary:hover:not(:disabled),.secondary:hover:not(:disabled),.primary:active:not(:disabled),.secondary:active:not(:disabled){transform:none}}@media (forced-colors:active){.sidebar,.topbar,.segmented,.toast,.panel,.draw-stage,.dialog,.login-card,.search-input,.field>input,.field>select,.count-input input,.filters select,.classroom-toolbar>select,.date-toolbar input[type=date],.classroom-groups .selection-bar select,.board-cards>.student-drag-card{color:canvastext;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:canvas;border-color:canvastext}.primary{color:highlighttext;background:highlight;border-color:highlight}.secondary{color:buttontext;background:buttonface;border-color:buttontext}input[type=checkbox]{appearance:auto;box-shadow:none;background:canvas}th,td,.badge,.pagination,.dialog-heading,.dialog-footer,.member-picker{color:canvastext;background:canvas;border-color:canvastext}.board-heading{color:canvastext;background:canvas}.board-column.drop-target,.board-cards>.student-drag-card.picked{color:canvastext;background:canvas;border-color:highlight;outline:2px solid highlight}.nav-item.active,.segmented button.active{color:highlight;outline:1px solid highlight}}.classroom-toolbar{flex-wrap:wrap;align-items:center;gap:12px;min-width:0;margin-bottom:20px;display:flex}.classroom-toolbar>select{min-width:180px;max-width:100%;min-height:44px;padding:10px 34px 10px 14px}.classroom-toolbar>.primary{margin-left:auto}.classroom-toolbar>.random-group-button{white-space:nowrap;min-height:44px;margin-left:auto}.classroom-toolbar .view-switch{width:auto;min-width:200px;margin:0}.view-switch button{white-space:nowrap;min-height:42px;padding:10px 16px}.secondary-toolbar{margin-top:2px;margin-bottom:16px}.toolbar-count,.interaction-rule,.chart-unit{color:var(--muted);font-size:12px}.interaction-rule{margin-left:auto}.classroom-groups .group-item{min-height:60px}.classroom-groups .group-item strong{overflow-wrap:anywhere}.classroom-groups .selection-bar{border-radius:14px;flex-wrap:wrap;margin-bottom:18px}.classroom-groups .selection-bar select{max-width:220px;min-height:38px;padding:8px 12px}.classroom-groups .group-detail th,.classroom-groups .group-detail td{height:52px}.group-board{align-items:stretch;gap:16px;min-height:360px;padding:2px 2px 18px;display:flex;overflow-x:auto}.board-column{flex:0 0 270px;align-self:flex-start;min-width:0}.board-heading{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:9px;min-height:72px;padding:16px;display:flex}.board-heading h2{overflow-wrap:anywhere;flex:1;min-width:80px;font-size:15px}.board-heading .row-actions{margin-left:auto}.board-cards{flex-direction:column;gap:9px;min-height:200px;padding:12px;display:flex}.student-drag-card{border:1px solid var(--glass-border);background:var(--glass-fill);box-shadow:inset 0 1px 0 var(--glass-highlight);cursor:grab;border-radius:13px;align-items:center;gap:9px;padding:11px 9px;display:flex}.student-drag-card:active{cursor:grabbing}.student-drag-card strong{overflow-wrap:anywhere;font-size:13px;font-weight:550;display:block}.student-drag-card small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.student-drag-card>.icon-button{flex-shrink:0;margin-left:auto}.drag-handle{color:var(--muted);flex-shrink:0}.student-drag-card.picked{border-color:var(--brand-action);background:var(--brand-soft)}.drop-target{outline:2px solid var(--brand-action);outline-offset:-2px;background:var(--brand-subtle)}.board-empty{text-align:center;color:var(--muted);border:1px dashed var(--glass-border);border-radius:12px;padding:45px 10px;font-size:12px}.matrix-panel table{width:max-content;min-width:100%}.matrix-panel th,.matrix-panel td{min-width:130px}.matrix-panel th:first-child,.matrix-panel td:first-child{background:var(--surface);z-index:1;position:sticky;left:0}.matrix-group-heading{white-space:nowrap;align-items:center;gap:10px;display:flex}.group-class-label{color:var(--muted);margin-bottom:20px;font-size:13px}.date-toolbar label{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.date-toolbar input{border:1px solid var(--glass-border);min-height:42px;font:inherit;color:var(--text);background:var(--glass-fill);box-shadow:inset 0 1px 0 var(--glass-highlight);border-radius:12px;padding:9px 12px}.statistics-summary{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px;display:grid}.statistic-card{padding:22px}.statistic-card>span{color:var(--muted);font-size:12px}.statistic-card strong{margin-top:12px;font-size:30px;font-weight:600;display:block}.statistic-card small{color:var(--muted);margin-left:7px;font-size:11px;font-weight:400}.distribution-panel{margin-bottom:22px}.distribution-panel h2,.statistics-table h2{white-space:nowrap;font-size:15px}.distribution-panel .view-switch{width:auto;margin:0 0 0 auto}.time-chart{padding:22px 26px 18px;overflow-x:auto}.chart-bars{align-items:stretch;gap:12px;min-width:100%;height:210px;display:flex}.chart-column{flex-direction:column;flex:1;align-items:center;gap:7px;min-width:28px;font-size:10px;display:flex}.chart-value{height:18px;color:var(--text);font-size:11px}.chart-bar-track{border-bottom:1px solid var(--line);justify-content:center;align-items:flex-end;width:100%;height:156px;display:flex}.chart-bar{background:var(--brand);border:1px solid var(--brand-border);border-radius:7px 7px 0 0;width:min(100%,34px);min-height:0}.chart-label{color:var(--muted);white-space:nowrap}.statistics-table .panel-toolbar{justify-content:space-between}.statistics-table table{min-width:520px}.count-pill{color:var(--brand-ink);background:var(--brand-soft);font-variant-numeric:tabular-nums;border-radius:7px;padding:5px 9px}.classroom-statistics>.error{margin-bottom:18px}@media (width<=760px){.sidebar nav{overflow-x:auto}.sidebar .nav-item{flex:1;gap:4px;width:auto;min-width:0;padding:10px 4px;font-size:10px}.sidebar .nav-item svg{width:14px;height:14px}.classroom-toolbar{gap:9px;margin-bottom:14px}.classroom-toolbar>select{flex:1;min-width:0}.classroom-toolbar .view-switch{order:3;width:100%}.classroom-toolbar>.primary{margin:0}.toolbar-count{font-size:11px}.interaction-rule{width:100%;margin-left:0;font-size:11px}.group-board{gap:12px}.board-column{flex-basis:260px}.statistics-summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.statistic-card{padding:16px}.statistic-card strong{font-size:26px}.date-toolbar label{justify-content:space-between;width:100%}.date-toolbar input{width:200px;max-width:65%}.distribution-panel .panel-toolbar{flex-wrap:wrap}.distribution-panel .view-switch{margin:0 0 0 auto}.chart-unit{font-size:11px}.time-chart{padding:16px}.classroom-groups .group-list{align-items:stretch}.classroom-groups .group-list-empty{padding:16px}.statistics-table .panel-toolbar .search-input{width:100%}}@media (prefers-reduced-transparency:reduce),(prefers-contrast:more){.student-drag-card,.date-toolbar input{background:var(--surface);box-shadow:none}}@media (forced-colors:active){.chart-bar{background:highlight}.drop-target,.student-drag-card.picked{outline:2px solid highlight}.student-drag-card,.date-toolbar input{background:canvas;border-color:buttontext}}.classroom-groups .drag-handle{width:44px;min-width:44px;height:44px;color:var(--text-secondary);cursor:grab;background:0 0;border:0;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.classroom-groups .drag-handle svg{pointer-events:none}.classroom-groups .drag-handle:hover{background:var(--brand-soft);color:var(--brand-action)}.classroom-groups .drag-handle:active{cursor:grabbing}.classroom-groups .drag-handle:focus-visible{outline:2px solid var(--brand-action);outline-offset:1px}.classroom-groups .drag-source{opacity:.45}.classroom-groups .group-item{align-items:center;gap:2px;padding:5px 6px;display:flex}.group-source-icon{width:44px;height:44px;color:var(--text-secondary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.group-choose{text-align:left;background:0 0;border:0;flex:1;min-width:0;min-height:48px;padding:6px 2px;display:block}.classroom-groups .group-choose strong{color:var(--text-secondary)}.classroom-groups .group-item.active .group-choose strong{color:var(--brand-action)}.classroom-groups .group-detail table{min-width:490px}.classroom-groups .drag-col{width:62px;padding-left:9px;padding-right:9px}.classroom-groups .check-col{width:45px;padding-left:8px;padding-right:8px}.classroom-groups .member-row.drop-before td{box-shadow:inset 0 2px 0 var(--brand-action)}.classroom-groups .member-row.drop-after td{box-shadow:inset 0 -2px 0 var(--brand-action)}.classroom-groups .student-drag-card{cursor:default;gap:6px;padding:8px 7px}.classroom-groups .student-drag-card .drag-handle{width:32px;min-width:32px}.classroom-groups .board-heading{gap:6px;padding:12px}.classroom-groups .board-heading h2{min-width:60px}.classroom-groups .board-heading .drag-handle{width:32px;min-width:32px}.classroom-groups .board-heading .row-actions{margin-left:auto}.classroom-groups .student-drag-card.drop-before,.classroom-groups .group-item.drop-before{box-shadow:inset 0 2px 0 var(--brand-action)}.classroom-groups .student-drag-card.drop-after,.classroom-groups .group-item.drop-after{box-shadow:inset 0 -2px 0 var(--brand-action)}.classroom-groups .board-column.drop-before{box-shadow:inset 3px 0 0 var(--brand-action)}.classroom-groups .board-column.drop-after{box-shadow:inset -3px 0 0 var(--brand-action)}@media (width<=760px){.classroom-groups .group-choose{min-width:94px}.classroom-groups .student-drag-card .drag-handle,.classroom-groups .board-heading .drag-handle{width:44px;min-width:44px}.classroom-groups .board-heading h2{min-width:80px}}@media (forced-colors:active){.classroom-groups .drag-handle{color:buttontext}.classroom-groups .drag-handle:focus-visible{outline-color:highlight}.classroom-groups .member-row.drop-before td,.classroom-groups .member-row.drop-after td{border-block:2px solid highlight}.classroom-groups .drop-before,.classroom-groups .drop-after{outline:2px solid highlight}}.classroom-groups .group-list-title{gap:8px;padding-bottom:12px}.classroom-groups .group-list-title>span{margin-left:auto}.classroom-groups .group-list-title>.icon-button{width:36px;height:36px;color:var(--text-secondary);flex-shrink:0}.classroom-groups .group-list-items{min-width:0}.classroom-groups .group-item>.row-actions{flex-shrink:0;gap:0}.classroom-groups .group-item .row-actions>.icon-button{width:32px;height:44px;padding:0}@media (width<=1000px){.classroom-groups .group-list{min-width:0;display:block;overflow:hidden}.classroom-groups .group-list-title{align-items:center;padding:0 6px 8px;display:flex}.classroom-groups .group-list-items{gap:6px;display:flex;overflow-x:auto}.classroom-groups .group-list-items>.group-item{min-width:210px}.classroom-groups .group-list-title>.icon-button,.classroom-groups .group-item .row-actions>.icon-button{width:44px;height:44px}}.classroom-groups .group-create-item{border:1px solid var(--brand-border);background:var(--brand-subtle);border-radius:14px;min-width:0;padding:10px 8px}.group-create-fields{align-items:center;gap:3px;display:flex}.group-create-fields input{border:1px solid var(--glass-border);background:var(--glass-control-fill);width:100%;min-width:0;min-height:40px;color:var(--text);font:inherit;border-radius:10px;padding:8px;font-size:13px}.classroom-groups .group-create-fields .icon-button{flex-shrink:0;width:30px;height:44px;padding:0}.classroom-groups .group-create-item .error{white-space:normal;margin-top:6px;padding:6px;font-size:11px}.group-create-column{padding:12px}.matrix-panel th:has(.group-create-item){min-width:270px}@media (width<=1000px){.group-list-items>.group-create-item{flex:0 0 260px}.classroom-groups .group-create-fields .icon-button{width:44px}}.board-add-group{border:1px dashed var(--glass-border);min-height:64px;color:var(--text-secondary);font:inherit;background:0 0;border-radius:14px;flex:0 0 180px;justify-content:center;align-self:flex-start;align-items:center;gap:8px;font-size:13px;display:flex}.board-add-group:hover{background:var(--brand-soft);color:var(--brand-action)}.classroom-management .account-row{border-top:1px solid #edf1f6;justify-content:space-between;align-items:center;gap:15px;padding:20px 23px;display:flex}.classroom-management .account-row strong{color:#687b97;font-size:12px;font-weight:500}@media (width<=760px){.classroom-management .account-row{align-items:flex-start;padding:18px 17px}}.account-layout{grid-template-columns:280px minmax(0,1fr);align-items:stretch;gap:24px;display:grid}.account-profile{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-width:0;padding:32px 24px;display:flex}.account-avatar{border:1px solid var(--brand-border);background:var(--brand-soft);width:66px;height:66px;color:var(--brand-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:4px;font-size:28px;display:flex}.account-profile h2{overflow-wrap:anywhere;font-size:20px;line-height:1.4}.account-email{color:var(--text-secondary);overflow-wrap:anywhere;max-width:100%;font-size:13px;line-height:1.5}.account-sections{flex-direction:column;gap:20px;min-width:0;display:flex}.account-section-heading{align-items:center;gap:12px;min-height:84px;padding:20px 24px;display:flex}.account-section-heading>svg{color:var(--brand-muted);flex:0 0 22px}.account-section-heading h2{color:var(--text-secondary);font-size:14px;line-height:1.5}.account-status,.account-session>button{flex-shrink:0;margin-left:auto}.account-status{font-size:11px}.account-layout .account-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;min-height:84px;padding:20px 24px;display:flex}.account-row-label{color:var(--text-secondary);padding-left:34px;font-size:13px;font-weight:500}.account-layout .secondary{flex-shrink:0;min-height:44px;padding:10px 16px;font-size:12px}@media (width<=1200px) and (width>=1001px){.account-layout{grid-template-columns:240px minmax(0,1fr)}}@media (width<=1000px){.account-layout{grid-template-columns:1fr;gap:20px}}@media (width<=760px){.account-profile{padding:24px}.account-section-heading,.account-layout .account-row{min-height:76px;padding:18px 16px}.account-layout .secondary{min-height:40px;padding:9px 12px}}.profile-avatar,.top-avatar,.account-avatar{overflow:hidden}.profile-avatar img,.top-avatar img,.account-avatar img{object-fit:cover;width:100%;height:100%;display:block}
