:root,[data-theme=admin]{--sk-text-body:14px;--sk-lh-body:20px;--sk-text-caption:12px;--sk-lh-caption:16px;--sk-text-title:16px;--sk-lh-title:24px;--sk-text-display:32px;--sk-lh-display:40px;--sk-control-h:40px;--sk-control-h-sm:32px;--sk-card-radius:var(--sk-radius-xl);--sk-card-pad:var(--sk-space-5);--sk-toggle-w:40px;--sk-toggle-h:24px}[data-theme=teacher]{--sk-text-body:15px;--sk-lh-body:22px;--sk-text-caption:13px;--sk-lh-caption:18px;--sk-text-title:17px;--sk-lh-title:26px;--sk-text-display:31px;--sk-lh-display:38px;--sk-control-h:48px;--sk-control-h-sm:36px;--sk-card-radius:var(--sk-radius-xl);--sk-card-pad:var(--sk-space-4);--sk-toggle-w:48px;--sk-toggle-h:28px}.sk-row{flex-wrap:wrap;align-items:center}.sk-row,.sk-stack{display:flex;gap:var(--sk-space-3)}.sk-stack{flex-direction:column}.sk-grid{display:grid;gap:var(--sk-space-4);grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.sk-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.sk-demo-label{font-size:var(--sk-text-caption);color:var(--sk-ink-muted);font-weight:600;min-width:72px}.sk-icon{flex:none;display:inline-block;vertical-align:middle}.sk-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:0;border-radius:var(--sk-radius-full);background:transparent;color:var(--sk-ink-muted);cursor:pointer;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-icon-btn:hover{background:var(--sk-surface-subtle);color:var(--sk-ink)}.sk-icon-btn:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-status-icon{position:relative;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--sk-radius-full);flex:none}.sk-status-icon-lg{width:64px;height:64px}.sk-status-icon-success{background:var(--sk-success-bg);color:var(--sk-success)}.sk-status-icon-danger{background:var(--sk-danger-bg);color:var(--sk-danger)}.sk-status-icon-warning{background:var(--sk-warning-bg);color:var(--sk-warning)}.sk-status-icon-info{background:var(--sk-info-bg);color:var(--sk-info)}.sk-heartbeat{animation:sk-heartbeat var(--sk-duration-heartbeat) var(--sk-ease-standard) 2}.sk-heartbeat:after{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid;opacity:0;animation:sk-heart-halo var(--sk-duration-heartbeat) var(--sk-ease-out) 2}@keyframes sk-heartbeat{0%{transform:scale(1)}14%{transform:scale(1.16)}28%{transform:scale(1)}42%{transform:scale(1.1)}70%,to{transform:scale(1)}}@keyframes sk-heart-halo{0%{transform:scale(1);opacity:.45}70%,to{transform:scale(1.55);opacity:0}}.sk-btn{position:relative;height:var(--sk-control-h);padding:0 var(--sk-space-5);border:1px solid transparent;border-radius:var(--sk-radius-full);font:inherit;font-size:var(--sk-text-body);font-weight:600;line-height:1;white-space:nowrap;overflow:hidden;cursor:pointer;box-sizing:border-box;transition:width var(--sk-duration-slow) var(--sk-ease-out),background-color var(--sk-duration-slow) var(--sk-ease-standard),border-color var(--sk-duration-slow) var(--sk-ease-standard),color var(--sk-duration-slow) var(--sk-ease-standard),box-shadow var(--sk-duration-base) var(--sk-ease-out),transform var(--sk-duration-base) var(--sk-ease-out)}.sk-btn,.sk-btn-inner{display:inline-flex;align-items:center;justify-content:center}.sk-btn-inner{flex:none}.sk-btn-label{display:inline-flex;align-items:center;gap:var(--sk-space-2);animation:sk-label-in var(--sk-duration-slow) var(--sk-ease-out)}@keyframes sk-label-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.sk-btn:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-btn:disabled{cursor:not-allowed;opacity:.45}.sk-btn[aria-busy=true]{cursor:progress;opacity:1}.sk-btn-sm{height:var(--sk-control-h-sm);padding:0 var(--sk-space-4);font-size:var(--sk-text-caption)}.sk-btn-full{width:100%}.sk-btn-primary{background:var(--sk-action-primary);color:var(--sk-on-action-primary)}.sk-btn-primary:hover:not(:disabled){background:var(--sk-action-primary-hover)}.sk-btn-secondary{background:var(--sk-surface-card);color:var(--sk-ink);border-color:var(--sk-border-control)}.sk-btn-secondary:hover:not(:disabled){background:var(--sk-surface-subtle)}.sk-btn-ghost{background:transparent;color:var(--sk-link);padding:0 var(--sk-space-3)}.sk-btn-ghost:hover:not(:disabled){background:var(--sk-surface-subtle)}.sk-btn-danger{background:var(--sk-danger);color:var(--sk-ink-inverse)}.sk-btn-danger:hover:not(:disabled){background:var(--sk-danger-hover)}.sk-btn.sk-btn-is-loading{cursor:progress}.sk-btn.sk-btn-is-success,.sk-btn.sk-btn-is-success:hover:not(:disabled){background:var(--sk-success);border-color:var(--sk-success);color:var(--sk-ink-inverse)}.sk-btn.sk-btn-is-error,.sk-btn.sk-btn-is-error:hover:not(:disabled){background:var(--sk-danger);border-color:var(--sk-danger);color:var(--sk-ink-inverse)}.sk-spin{animation:sk-spin .8s linear infinite}@keyframes sk-spin{to{transform:rotate(1turn)}}@media (hover:hover) and (pointer:fine){.sk-btn-danger:hover:not(:disabled),.sk-btn-primary:hover:not(:disabled),.sk-btn-secondary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--sk-shadow-float)}.sk-card-interactive:hover{transform:translateY(-4px);box-shadow:var(--sk-shadow-float);border-color:var(--sk-border-control)}}.sk-btn:active:not(:disabled){transform:translateY(0) scale(.98);box-shadow:none}.sk-field{display:flex;flex-direction:column;gap:var(--sk-space-2);max-width:360px}.sk-field-label{font-weight:600;color:var(--sk-ink)}.sk-field-req{color:var(--sk-danger-ink);margin-left:2px}.sk-input{height:var(--sk-control-h);padding:0 var(--sk-space-3);border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-sm);background:var(--sk-surface-card);color:var(--sk-ink);font:inherit;font-size:var(--sk-text-body);transition:border-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-input::placeholder{color:var(--sk-ink-subtle);font-size:13px;opacity:1}.sk-input:hover:not(:disabled){border-color:var(--sk-ink-muted)}.sk-input:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:1px;border-color:var(--sk-focus-ring)}.sk-input:disabled{background:var(--sk-surface-subtle);color:var(--sk-ink-muted);cursor:not-allowed}.sk-input[aria-invalid=true]{border-color:var(--sk-danger)}.sk-field-hint{color:var(--sk-ink-muted)}.sk-field-error,.sk-field-hint{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption)}.sk-field-error{display:flex;gap:var(--sk-space-1);align-items:center;color:var(--sk-danger-ink);font-weight:500}.sk-toggle-row{display:flex;gap:var(--sk-space-3);align-items:flex-start;max-width:420px}.sk-toggle-disabled{opacity:.45}.sk-toggle{position:relative;flex:none;width:var(--sk-toggle-w);height:var(--sk-toggle-h);padding:0;border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-full);background:var(--sk-surface-subtle);cursor:pointer;transition:background-color var(--sk-duration-base) var(--sk-ease-standard),border-color var(--sk-duration-base) var(--sk-ease-standard)}.sk-toggle:disabled{cursor:not-allowed}.sk-toggle:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-toggle-thumb{position:absolute;top:2px;left:2px;width:calc(var(--sk-toggle-h) - 6px);height:calc(var(--sk-toggle-h) - 6px);border-radius:var(--sk-radius-full);background:var(--sk-surface-card);box-shadow:var(--sk-shadow-sm);border:1px solid var(--sk-border-control);box-sizing:border-box;display:flex;align-items:center;justify-content:center;color:var(--sk-teal-ink);transition:transform var(--sk-duration-base) var(--sk-ease-out),border-color var(--sk-duration-base) var(--sk-ease-standard)}.sk-toggle-on{background:var(--sk-teal-ink);border-color:var(--sk-teal-ink)}.sk-toggle-on 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var(--sk-space-2);border-radius:var(--sk-radius-full);font-size:var(--sk-text-caption);line-height:1;font-weight:600;white-space:nowrap}.sk-badge-neutral{background:var(--sk-surface-subtle);color:var(--sk-ink-muted)}.sk-badge-brand{background:var(--sk-brand-aqua-light);color:var(--sk-brand-marine)}.sk-badge-success{background:var(--sk-success-bg);color:var(--sk-success-ink)}.sk-badge-warning{background:var(--sk-warning-bg);color:var(--sk-warning-ink)}.sk-badge-danger{background:var(--sk-danger-bg);color:var(--sk-danger-ink)}.sk-badge-info{background:var(--sk-info-bg);color:var(--sk-info-ink)}.sk-avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:var(--sk-radius-full);overflow:hidden;background:var(--sk-teal-mint);color:var(--sk-teal-deep);font-weight:700}.sk-avatar img{width:100%;height:100%;object-fit:cover}.sk-skeleton{display:block;background:linear-gradient(90deg,var(--sk-surface-subtle) 0,var(--sk-border) 50%,var(--sk-surface-subtle) 100%);background-size:200% 100%;border-radius:var(--sk-radius-xs);animation:sk-shimmer 1.4s var(--sk-ease-standard) infinite}@keyframes sk-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.sk-tip-wrap{position:relative;display:inline-flex}.sk-tip{z-index:20;bottom:calc(100% + 10px);width:max-content;max-width:240px;padding:var(--sk-space-2) var(--sk-space-3);background:var(--sk-brand-marine);color:var(--sk-ink-inverse);border-radius:var(--sk-radius-sm);box-shadow:var(--sk-shadow-md);font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);font-weight:500;text-align:left;opacity:0;pointer-events:none;transform:translate(-50%,4px);transition:opacity var(--sk-duration-base) var(--sk-ease-out),transform var(--sk-duration-base) var(--sk-ease-out)}.sk-tip,.sk-tip:after{position:absolute;left:50%}.sk-tip:after{content:"";top:100%;margin-left:-6px;border:6px solid transparent;border-top:6px solid var(--sk-brand-marine)}.sk-tip-bottom{bottom:auto;top:calc(100% + 10px);transform:translate(-50%,-4px)}.sk-tip-bottom:after{top:auto;bottom:100%;border-top-color:transparent;border-bottom-color:var(--sk-brand-marine)}.sk-tip-open{opacity:1;transform:translate(-50%)}.sk-card{display:block;background:var(--sk-surface-card);border:1px solid var(--sk-border);border-radius:var(--sk-card-radius);box-shadow:var(--sk-shadow-sm);padding:var(--sk-card-pad);color:inherit;text-decoration:none;font:inherit;text-align:left;box-sizing:border-box;transition:transform var(--sk-duration-base) var(--sk-ease-out),box-shadow var(--sk-duration-base) var(--sk-ease-out),border-color var(--sk-duration-base) var(--sk-ease-standard)}.sk-card-flush{padding:0}.sk-card-interactive{cursor:pointer;width:100%}.sk-card-interactive:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-card-interactive:active{transform:translateY(-1px) scale(.995)}.sk-card-title{font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700;margin:0 0 var(--sk-space-1)}.sk-card-meta{color:var(--sk-ink-muted);font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption)}.sk-stat{flex-direction:column;min-height:132px;container-type:inline-size}.sk-stat,.sk-stat-head{display:flex;gap:var(--sk-space-2)}.sk-stat-head{align-items:center;justify-content:space-between}.sk-stat-label{font-size:var(--sk-text-body);font-weight:600}.sk-stat-icon,.sk-stat-label{color:var(--sk-ink-muted)}.sk-stat-value{white-space:nowrap;font-size:min(var(--sk-text-display),calc(160cqw / var(--sk-chars, 8)));line-height:var(--sk-lh-display);font-weight:700;letter-spacing:-.02em;color:var(--sk-ink);font-variant-numeric:tabular-nums}.sk-stat-detail{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);color:var(--sk-ink-muted);margin-top:auto}.sk-stat-action{margin-top:auto;align-self:flex-start;margin-left:calc(-1 * var(--sk-space-3))}.sk-grid>:where(.sk-stat:nth-child(4n+1)),.sk-stat-tone-aqua{--sk-stat-bg:var(--sk-pastel-aqua)}.sk-grid>:where(.sk-stat:nth-child(4n+2)),.sk-stat-tone-lilac{--sk-stat-bg:var(--sk-pastel-lilac)}.sk-grid>:where(.sk-stat:nth-child(4n+3)),.sk-stat-tone-peach{--sk-stat-bg:var(--sk-pastel-peach)}.sk-grid>:where(.sk-stat:nth-child(4n+4)),.sk-stat-tone-sand{--sk-stat-bg:var(--sk-pastel-sand)}.sk-stat-tone-white{--sk-stat-bg:var(--sk-surface-card)}.sk-stat{background:var(--sk-stat-bg,var(--sk-pastel-aqua));border-color:transparent}.sk-stat.sk-stat-tone-white{border-color:var(--sk-border)}.sk-stat:not(.sk-stat-tone-white) .sk-stat-detail,.sk-stat:not(.sk-stat-tone-white) .sk-stat-icon,.sk-stat:not(.sk-stat-tone-white) .sk-stat-label{color:var(--sk-ink-on-pastel)}.sk-stat:not(.sk-stat-tone-white) .sk-btn-ghost:hover:not(:disabled){background:rgba(255,255,255,.55)}.sk-stat .sk-skeleton{background:linear-gradient(90deg,rgba(255,255,255,.45),rgba(255,255,255,.85) 50%,rgba(255,255,255,.45));background-size:200% 100%}.sk-stat.sk-card-interactive:hover{border-color:transparent}.sk-table-wrap{background:var(--sk-surface-card);border:1px solid var(--sk-border);border-radius:var(--sk-card-radius);overflow:hidden;box-shadow:var(--sk-shadow-sm)}.sk-table{width:100%;border-collapse:collapse;font-size:var(--sk-text-body)}.sk-table th{position:sticky;top:0;z-index:1;text-align:left;white-space:nowrap;background:var(--sk-surface-subtle);font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);font-weight:700;color:var(--sk-ink-muted)}.sk-table td,.sk-table th{padding:var(--sk-space-3) var(--sk-space-4);border-bottom:1px solid var(--sk-border)}.sk-table td{vertical-align:middle}.sk-table tbody tr:last-child td{border-bottom:0}.sk-table tbody tr{transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-table tbody tr:hover{background:var(--sk-surface-subtle)}.sk-tr-click{cursor:pointer}.sk-table tbody tr.sk-tr-selected:hover,.sk-tr-selected{background:var(--sk-brand-aqua-light)}.sk-num{text-align:right!important;font-variant-numeric:tabular-nums}.sk-th-sort{display:inline-flex;align-items:center;gap:var(--sk-space-1);padding:0;border:0;background:none;font:inherit;color:inherit;cursor:pointer}.sk-th-sort:hover{color:var(--sk-ink)}.sk-th-sort:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px;border-radius:var(--sk-radius-xs)}.sk-sort-on{color:var(--sk-teal-ink)}.sk-sort-off{color:var(--sk-ink-subtle)}.sk-td-empty{text-align:center;color:var(--sk-ink-muted);padding:var(--sk-space-8) var(--sk-space-4)!important}.sk-table-foot{border-top:1px solid var(--sk-border);padding:var(--sk-space-3) var(--sk-space-4)}.sk-cell-person{display:flex;align-items:center;gap:var(--sk-space-3)}.sk-cell-strong{font-weight:600}.sk-cell-sub{font-size:var(--sk-text-caption);color:var(--sk-ink-muted)}.sk-pager{display:flex;flex-wrap:wrap;gap:var(--sk-space-3);align-items:center;justify-content:space-between}.sk-pager-summary{color:var(--sk-ink-muted);font-size:var(--sk-text-caption)}.sk-pager-summary strong{color:var(--sk-ink);font-weight:600}.sk-pager-controls{display:flex;align-items:center;gap:var(--sk-space-1)}.sk-pager-size{display:inline-flex;align-items:center;gap:var(--sk-space-2);margin-right:var(--sk-space-3);font-size:var(--sk-text-caption);color:var(--sk-ink-muted)}.sk-page-list{display:flex;gap:var(--sk-space-1);list-style:none;margin:0;padding:0}.sk-page{min-width:32px;height:32px;padding:0 var(--sk-space-2);border:1px solid transparent;border-radius:var(--sk-radius-full);background:transparent;color:var(--sk-ink);font:inherit;font-size:var(--sk-text-caption);font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-page:hover:not(:disabled):not(.sk-page-current){background:var(--sk-surface-subtle)}.sk-page:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-page:disabled{color:var(--sk-ink-subtle);cursor:not-allowed}.sk-page-step{border-color:var(--sk-border-control)}.sk-page-current{background:var(--sk-teal-ink);color:var(--sk-ink-inverse)}.sk-page-gap{min-width:24px;text-align:center;color:var(--sk-ink-muted);align-self:center}.sk-ring{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:none}.sk-ring svg{transform:rotate(-90deg)}.sk-ring-track{stroke:var(--sk-chart-track)}.sk-ring-fill{stroke:var(--sk-teal-ink);transition:stroke-dashoffset var(--sk-duration-celebrate) var(--sk-ease-out),stroke var(--sk-duration-base) var(--sk-ease-standard)}.sk-gauge-fill.sk-lv-low,.sk-lv-low .sk-ring-fill{stroke:var(--sk-danger)}.sk-gauge-fill.sk-lv-mid,.sk-lv-mid .sk-ring-fill{stroke:var(--sk-warning)}.sk-lv-high .sk-ring-fill{stroke:var(--sk-teal-ink)}.sk-gauge-fill.sk-lv-high{stroke:var(--sk-chart-1)}.sk-ring-label{position:absolute;font-weight:700;font-size:var(--sk-text-caption);color:var(--sk-ink);font-variant-numeric:tabular-nums}.sk-gauge{display:inline-flex;flex-direction:column;align-items:center;gap:var(--sk-space-2)}.sk-gauge-svg{overflow:visible}.sk-gauge-track{stroke:var(--sk-chart-track)}.sk-gauge-fill{stroke:var(--sk-chart-1)}.sk-gauge-value{font-size:var(--sk-text-display);font-weight:700;fill:var(--sk-ink);font-family:var(--sk-font-sans);font-variant-numeric:tabular-nums}.sk-gauge-ends{font-size:var(--sk-text-caption);fill:var(--sk-ink-muted);font-family:var(--sk-font-sans)}.sk-gauge-label{font-weight:600;color:var(--sk-ink);text-align:center}.sk-gauge-status{display:flex;justify-content:center;margin-top:var(--sk-space-2)}.sk-gauge-caption{color:var(--sk-ink-muted);text-align:center;max-width:240px}.sk-crumbs 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var(--sk-space-1)}.sk-tablist{position:relative;display:flex;gap:var(--sk-space-1)}.sk-tab{position:relative;z-index:1;display:inline-flex;align-items:center;gap:var(--sk-space-2);height:var(--sk-control-h);padding:0 var(--sk-space-4);border:0;background:transparent;cursor:pointer;font:inherit;font-size:var(--sk-text-body);font-weight:500;color:var(--sk-ink-muted);white-space:nowrap;transition:color var(--sk-duration-base) var(--sk-ease-standard)}.sk-tab:hover{color:var(--sk-ink)}.sk-tab:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:-2px;border-radius:var(--sk-radius-sm)}.sk-tab-active,.sk-tab-count{font-weight:600}.sk-tab-count{min-width:20px;height:20px;padding:0 6px;border-radius:var(--sk-radius-full);background:var(--sk-surface-subtle);color:var(--sk-ink-muted);font-size:12px;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box}.sk-tab-marker{position:absolute;left:0;transition:transform var(--sk-duration-slow) var(--sk-ease-out),width var(--sk-duration-slow) var(--sk-ease-out)}.sk-tabs-underline .sk-tablist{border-bottom:1px solid var(--sk-border)}.sk-tabs-underline .sk-tab-active{color:var(--sk-ink)}.sk-tabs-underline .sk-tab-marker{bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--sk-teal-ink)}.sk-tabs-pill .sk-tablist{display:inline-flex;padding:4px;gap:2px;background:var(--sk-surface-subtle);border-radius:var(--sk-radius-full)}.sk-tabs-full.sk-tabs-pill .sk-tablist{display:flex}.sk-tabs-full .sk-tab{flex:1;justify-content:center}.sk-tabs-pill .sk-tab{height:calc(var(--sk-control-h) - 8px);border-radius:var(--sk-radius-full);padding:0 var(--sk-space-4)}.sk-tabs-pill .sk-tab-active{color:var(--sk-ink-inverse)}.sk-tabs-pill .sk-tab-active .sk-tab-count{background:rgba(255,255,255,.2);color:var(--sk-ink-inverse)}.sk-tabs-pill .sk-tab-marker{top:4px;bottom:4px;border-radius:var(--sk-radius-full);background:var(--sk-teal-ink);box-shadow:var(--sk-shadow-sm)}.sk-stepper-compact{display:none;font-size:var(--sk-text-caption);color:var(--sk-ink-muted)}.sk-stepper-compact strong{color:var(--sk-ink)}.sk-stepper-list{display:flex;list-style:none;margin:0;padding:0}.sk-stepper-item{position:relative;flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:var(--sk-space-2);min-width:0;padding-right:var(--sk-space-3)}.sk-stepper-dot{position:relative;z-index:1;width:28px;height:28px;border-radius:var(--sk-radius-full);box-sizing:border-box;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;background:var(--sk-surface-card);border:2px solid var(--sk-border-control);color:var(--sk-ink-muted);transition:background-color var(--sk-duration-slow) var(--sk-ease-standard),border-color var(--sk-duration-slow) var(--sk-ease-standard),color var(--sk-duration-slow) var(--sk-ease-standard)}.sk-stepper-done .sk-stepper-dot{background:var(--sk-teal-ink);border-color:var(--sk-teal-ink);color:var(--sk-ink-inverse)}.sk-stepper-current .sk-stepper-dot{border-color:var(--sk-teal-ink);color:var(--sk-teal-ink);box-shadow:0 0 0 4px var(--sk-surface-brand)}.sk-stepper-line{position:absolute;top:13px;left:36px;right:8px;height:2px;border-radius:2px;background:var(--sk-border);overflow:hidden}.sk-stepper-line:after{content:"";position:absolute;inset:0;background:var(--sk-teal-ink);transform:scaleX(0);transform-origin:left;transition:transform var(--sk-duration-slow) var(--sk-ease-out)}.sk-stepper-done .sk-stepper-line:after{transform:scaleX(1)}.sk-stepper-text{display:flex;flex-direction:column;gap:2px}.sk-stepper-label{font-weight:600;color:var(--sk-ink-muted)}.sk-stepper-current .sk-stepper-label,.sk-stepper-done .sk-stepper-label{color:var(--sk-ink)}.sk-stepper-desc{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);color:var(--sk-ink-muted)}@media (max-width:560px){.sk-stepper-compact{display:block;margin-bottom:var(--sk-space-2)}.sk-stepper-text{display:none}.sk-stepper-item{flex-direction:row;align-items:center}.sk-stepper-line{top:13px}}.sk-check{background:var(--sk-surface-brand);border-radius:var(--sk-radius-xl);padding:var(--sk-space-5);max-width:640px}.sk-check-head{display:flex;gap:var(--sk-space-4);align-items:center;margin-bottom:var(--sk-space-4)}.sk-check-overline{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sk-ink-muted)}.sk-check-title{margin:0;font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700;color:var(--sk-ink)}.sk-check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--sk-space-2)}.sk-step{display:grid;grid-template-columns:28px 1fr auto;gap:var(--sk-space-3);align-items:center;padding:var(--sk-space-3) var(--sk-space-4);background:var(--sk-surface-card);border:1px solid var(--sk-border);border-radius:var(--sk-radius-sm);transition:border-color var(--sk-duration-base) var(--sk-ease-standard),box-shadow var(--sk-duration-base) var(--sk-ease-standard)}.sk-step-current{border-color:var(--sk-teal-ink);box-shadow:var(--sk-shadow-md)}.sk-step-mark{width:24px;height:24px;border-radius:var(--sk-radius-full);display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box}.sk-step-mark-todo{border:2px solid var(--sk-border-control)}.sk-step-mark-current{border:2px solid var(--sk-teal-ink)}.sk-step-mark-done{background:var(--sk-success);color:var(--sk-ink-inverse);animation:sk-pop var(--sk-duration-base) var(--sk-ease-out)}.sk-step-mark-blocked{background:var(--sk-surface-subtle);color:var(--sk-ink-muted)}@keyframes sk-pop{0%{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}.sk-step-title{font-weight:600;color:var(--sk-ink);display:flex;gap:var(--sk-space-2);align-items:center;flex-wrap:wrap}.sk-step-done .sk-step-title{color:var(--sk-ink-muted)}.sk-step-desc{line-height:var(--sk-lh-caption);margin-top:2px}.sk-step-desc,.sk-step-meta{font-size:var(--sk-text-caption);color:var(--sk-ink-muted)}.sk-step-meta{white-space:nowrap}[data-theme=teacher] .sk-check-head .sk-step-desc,[data-theme=teacher] .sk-check-overline{color:var(--sk-ink)}.sk-check-pop .sk-check-head{background:var(--sk-surface-brand);border-radius:var(--sk-radius-lg);padding:var(--sk-space-4);margin:0}.sk-check-pop .sk-ring-track{stroke:var(--sk-surface-card)}.sk-check-card{width:100%;box-sizing:border-box;background:var(--sk-surface-brand);border-radius:var(--sk-radius-xl);padding:var(--sk-space-4) var(--sk-space-5);display:flex;align-items:center;gap:var(--sk-space-4);flex-wrap:wrap}.sk-check-card-text{flex:1 1 260px;min-width:0}.sk-check-card-next{margin:2px 0 0;font-size:var(--sk-text-body-strong,16px);line-height:24px;font-weight:600;color:var(--sk-ink)}.sk-check-pills{display:flex;gap:6px;flex:none}.sk-check-pill{width:28px;height:6px;border-radius:var(--sk-radius-full);background:var(--sk-surface-card);box-shadow:inset 0 0 0 1px var(--sk-info-border)}.sk-check-pill-done{background:var(--sk-success);box-shadow:none}.sk-check-pill-current{background:var(--sk-teal-ink);box-shadow:none}.sk-check-card-actions{display:flex;gap:var(--sk-space-2);flex:none}@media (max-width:480px){.sk-step{grid-template-columns:28px 1fr;row-gap:var(--sk-space-2)}.sk-step>:nth-child(3){grid-column:2;justify-self:start}.sk-step>span:nth-child(3):empty{display:none}}@media (max-width:640px){.sk-check-card{padding:var(--sk-space-4)}.sk-check-pills{display:none}.sk-check-card-actions{flex:1 1 100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}.sk-prereq-list{list-style:none;margin:var(--sk-space-5) 0 0;padding:0;width:100%;display:flex;flex-direction:column;gap:var(--sk-space-2);text-align:left}.sk-prereq-item{display:flex;align-items:center;gap:var(--sk-space-3);padding:var(--sk-space-3) 14px;border-radius:var(--sk-radius-sm);background:var(--sk-surface-card);border:1px solid var(--sk-border)}.sk-prereq-item-next{border-color:var(--sk-teal-ink)}.sk-prereq-item-done{opacity:.75}.sk-prereq-tag{font-size:var(--sk-text-caption);font-weight:700;color:var(--sk-teal-ink);white-space:nowrap}.sk-empty{flex-direction:column;text-align:center;gap:var(--sk-space-3);padding:var(--sk-space-12) var(--sk-space-6);max-width:420px;margin:0 auto}.sk-empty,.sk-empty-icon{display:flex;align-items:center}.sk-empty-icon{width:56px;height:56px;border-radius:var(--sk-radius-full);background:var(--sk-surface-brand);color:var(--sk-teal-ink);justify-content:center}.sk-empty-title{margin:0;font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700}.sk-empty-body{margin:0;color:var(--sk-ink-muted)}.sk-empty-actions{display:flex;gap:var(--sk-space-2);flex-wrap:wrap;justify-content:center;margin-top:var(--sk-space-2)}.sk-notice{display:grid;grid-template-columns:32px 1fr;gap:var(--sk-space-3);align-items:start;padding:var(--sk-space-4);border-radius:var(--sk-radius-md);border:1px solid;max-width:640px}.sk-notice-title{font-weight:600;padding-top:5px}.sk-notice-body{margin-top:2px}.sk-notice-action{margin-top:var(--sk-space-3)}.sk-notice-info{background:var(--sk-info-bg);border-color:var(--sk-info-border);color:var(--sk-info-ink)}.sk-notice-warning{background:var(--sk-warning-bg);border-color:var(--sk-warning-border);color:var(--sk-warning-ink)}.sk-notice-danger{background:var(--sk-danger-bg);border-color:var(--sk-danger-border);color:var(--sk-danger-ink)}.sk-notice-success{background:var(--sk-success-bg);border-color:var(--sk-success-border);color:var(--sk-success-ink)}.sk-notice .sk-status-icon{background:var(--sk-surface-card)}.sk-modal-root{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:var(--sk-space-4)}.sk-scrim{position:absolute;inset:0;background:var(--sk-overlay);animation:sk-fade-in var(--sk-duration-base) var(--sk-ease-out)}.sk-modal{position:relative;width:100%;box-sizing:border-box;max-height:calc(100vh - 2 * var(--sk-space-4));max-height:calc(100dvh - 2 * var(--sk-space-4));display:flex;flex-direction:column;overflow:hidden;background:var(--sk-surface-card);color:var(--sk-ink);border-radius:var(--sk-radius-xl);box-shadow:var(--sk-shadow-lg);padding:var(--sk-space-6);outline:none;animation:sk-pop-in var(--sk-duration-slow) var(--sk-ease-out)}.sk-modal-sm{max-width:400px}.sk-modal-md{max-width:520px}.sk-modal-lg{max-width:720px}.sk-modal-closing .sk-scrim{animation:sk-fade-out var(--sk-duration-base) var(--sk-ease-in) forwards}.sk-modal-closing .sk-modal{animation:sk-pop-out var(--sk-duration-base) var(--sk-ease-in) forwards}@keyframes sk-fade-in{0%{opacity:0}to{opacity:1}}@keyframes sk-fade-out{0%{opacity:1}to{opacity:0}}@keyframes sk-pop-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}@keyframes sk-pop-out{0%{opacity:1;transform:none}to{opacity:0;transform:translateY(8px) scale(.98)}}.sk-modal-head{flex:none;display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sk-space-3)}.sk-modal-head-custom>:first-child{flex:1;min-width:0}.sk-modal-title{margin:0;font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700;padding-top:4px}.sk-modal-desc{flex:none;margin:var(--sk-space-1) 0 0;color:var(--sk-ink-muted)}.sk-modal-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;margin:var(--sk-space-5) calc(-1 * var(--sk-space-6)) 0;padding:4px var(--sk-space-6)}.sk-modal-desc+.sk-modal-body,.sk-modal-head+.sk-modal-body{margin-top:var(--sk-space-4)}.sk-modal>.sk-modal-body:first-child{margin-top:calc(-1 * 4px)}.sk-modal-foot{flex:none;display:flex;justify-content:flex-end;flex-wrap:wrap;gap:var(--sk-space-2);margin-top:var(--sk-space-5)}.sk-status-pop{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--sk-space-8) var(--sk-space-6) var(--sk-space-6)}.sk-status-title{margin:var(--sk-space-4) 0 0;font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700}.sk-status-msg{margin:var(--sk-space-2) 0 0;color:var(--sk-ink-muted);max-width:320px}.sk-status-actions{display:flex;flex-direction:column;gap:var(--sk-space-2);width:100%;margin-top:var(--sk-space-6)}.sk-toast{display:grid;grid-template-columns:32px 1fr;gap:var(--sk-space-3);align-items:start;width:380px;max-width:100%;box-sizing:border-box;padding:var(--sk-space-4);border-radius:var(--sk-radius-xl);border:1px solid var(--sk-border);background:var(--sk-surface-card);color:var(--sk-ink);box-shadow:var(--sk-shadow-lg);animation:sk-toast-in var(--sk-duration-slow) var(--sk-ease-out)}@keyframes sk-toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.sk-toast-title{font-weight:600;letter-spacing:-.01em;padding-top:5px}.sk-toast-desc{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);margin-top:2px}.sk-toast-actions{display:flex;gap:var(--sk-space-2);margin-top:var(--sk-space-3);margin-left:calc(-1 * var(--sk-space-1))}.sk-toast-success{background:var(--sk-success-bg);border-color:var(--sk-success-border);color:var(--sk-success-ink)}.sk-toast-danger{background:var(--sk-danger-bg);border-color:var(--sk-danger-border);color:var(--sk-danger-ink)}.sk-toast-warning{background:var(--sk-warning-bg);border-color:var(--sk-warning-border);color:var(--sk-warning-ink)}.sk-toast-info{background:var(--sk-info-bg);border-color:var(--sk-info-border);color:var(--sk-info-ink)}.sk-toast .sk-status-icon{background:var(--sk-surface-card)}.sk-toast .sk-btn-ghost{color:inherit}.sk-field-wide{max-width:560px}.sk-icon-btn-sm{width:24px;height:24px}.sk-link-btn{border:0;background:none;padding:0;font:inherit;font-size:var(--sk-text-caption);font-weight:600;color:var(--sk-link);cursor:pointer;text-transform:none;letter-spacing:0}.sk-link-btn:hover{text-decoration:underline}.sk-kbd{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;box-sizing:border-box;border:solid var(--sk-border);border-width:1px 1px 2px;border-radius:var(--sk-radius-xs);background:var(--sk-surface-subtle);color:var(--sk-ink-muted);font:600 11px/1 var(--sk-font-sans)}.sk-ta-wrap{position:relative}.sk-textarea{display:block;width:100%;height:auto;min-height:0;box-sizing:border-box;padding:10px var(--sk-space-3);padding-right:40px;resize:none;line-height:var(--sk-lh-body);transition:border-color var(--sk-duration-fast) var(--sk-ease-standard),height var(--sk-duration-base) var(--sk-ease-out)}.sk-ta-expand{position:absolute;top:6px;right:6px}.sk-ta-foot{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--sk-space-3)}.sk-ta-count{flex:none;margin-left:auto;font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);color:var(--sk-ink-muted);font-variant-numeric:tabular-nums}.sk-ta-count-near{color:var(--sk-warning-ink);font-weight:600}.sk-ta-count-at{color:var(--sk-danger-ink);font-weight:600}.sk-textarea-focus{min-height:320px;padding-right:var(--sk-space-3);font-size:16px;line-height:26px}.sk-select{position:relative;display:block}.sk-select-trigger{display:flex;align-items:center;gap:var(--sk-space-2);width:100%;max-width:360px;box-sizing:border-box;height:var(--sk-control-h);padding:0 var(--sk-space-3);border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-sm);background:var(--sk-surface-card);color:var(--sk-ink);font:inherit;font-size:var(--sk-text-body);text-align:left;cursor:pointer;transition:border-color var(--sk-duration-fast) var(--sk-ease-standard),box-shadow var(--sk-duration-fast) var(--sk-ease-standard)}.sk-select-trigger:hover:not(:disabled){border-color:var(--sk-ink-muted)}.sk-select-trigger:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:1px;border-color:var(--sk-focus-ring)}.sk-select-trigger:disabled{background:var(--sk-surface-subtle);color:var(--sk-ink-muted);cursor:not-allowed}.sk-select-open{border-color:var(--sk-focus-ring);box-shadow:0 0 0 3px var(--sk-surface-brand)}.sk-select-error{border-color:var(--sk-danger)}.sk-select-value{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sk-select-placeholder{color:var(--sk-ink-subtle);font-size:13px}.sk-select-chev,.sk-select-lead{color:var(--sk-ink-muted)}.sk-select-chev{flex:none;transition:transform var(--sk-duration-base) var(--sk-ease-out)}.sk-select-open .sk-select-chev{color:var(--sk-teal-ink)}.sk-select-open>.sk-select-caret{transform:rotate(180deg)}.sk-select-more{flex:none;height:20px;padding:0 6px;border-radius:var(--sk-radius-full);background:var(--sk-brand-aqua-light);color:var(--sk-brand-marine);font-size:12px;font-weight:700;display:inline-flex;align-items:center}.sk-select-sm{height:var(--sk-control-h-sm);width:auto;min-width:72px;font-size:var(--sk-text-caption);font-weight:600}.sk-pop{position:absolute;z-index:40;left:0;min-width:100%;max-width:420px;box-sizing:border-box;background:var(--sk-surface-card);border:1px solid var(--sk-border);border-radius:var(--sk-radius-lg);box-shadow:var(--sk-shadow-lg);overflow:hidden;animation:sk-pop-drop var(--sk-duration-base) var(--sk-ease-out)}.sk-pop-bottom{top:calc(100% + 6px);transform-origin:top center}.sk-pop-top{bottom:calc(100% + 6px);transform-origin:bottom center}.sk-pop-auto{min-width:120px}.sk-pop-picker{width:352px;max-width:none;border-radius:var(--sk-radius-xl)}.sk-pop-time{width:380px}.sk-pop-search-panel{width:100%;max-width:none}@keyframes sk-pop-drop{0%{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:none}}.sk-pop-search{display:flex;align-items:center;gap:var(--sk-space-2);padding:var(--sk-space-2) var(--sk-space-3);border-bottom:1px solid var(--sk-border);color:var(--sk-ink-muted)}.sk-pop-search input{flex:1;min-width:0;height:36px;border:0;outline:none;background:transparent;font:inherit;font-size:var(--sk-text-body);color:var(--sk-ink)}.sk-pop-foot{justify-content:space-between;align-items:center;gap:var(--sk-space-2);padding:var(--sk-space-2) var(--sk-space-3)}.sk-pop-foot,.sk-pop-hint{display:flex;border-top:1px solid var(--sk-border)}.sk-pop-hint{gap:var(--sk-space-4);padding:var(--sk-space-2) var(--sk-space-4);background:var(--sk-surface-subtle);font-size:12px;color:var(--sk-ink-muted)}.sk-pop-hint span{display:inline-flex;align-items:center;gap:4px}.sk-options{list-style:none;margin:0;padding:var(--sk-space-1);max-height:288px;overflow-y:auto;outline:none}.sk-opt{display:flex;align-items:center;gap:var(--sk-space-3);min-height:var(--sk-control-h);padding:6px var(--sk-space-3);box-sizing:border-box;border-radius:var(--sk-radius-sm);color:var(--sk-ink);cursor:pointer;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-opt-active{background:var(--sk-surface-subtle)}.sk-opt-selected .sk-opt-label{color:var(--sk-teal-ink);font-weight:600}.sk-opt-disabled{cursor:not-allowed}.sk-opt-disabled,.sk-opt-disabled .sk-opt-desc{color:var(--sk-ink-subtle)}.sk-opt-text{flex:1;min-width:0;display:flex;flex-direction:column}.sk-opt-desc,.sk-opt-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sk-opt-desc{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);color:var(--sk-ink-muted)}.sk-opt-check{flex:none;width:16px;color:var(--sk-teal-ink)}.sk-opt-lead{color:var(--sk-ink-muted)}.sk-opt-trail{color:var(--sk-ink-subtle)}.sk-opt-iconbox{flex:none;width:32px;height:32px;border-radius:var(--sk-radius-sm);background:var(--sk-surface-brand);color:var(--sk-teal-ink);display:inline-flex;align-items:center;justify-content:center}.sk-opt-all .sk-opt-label{color:var(--sk-link);font-weight:600}.sk-opt-group{padding:var(--sk-space-3) var(--sk-space-3) var(--sk-space-1);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sk-ink-muted)}.sk-opt-group-row{display:flex;justify-content:space-between;align-items:center}.sk-opt-empty{padding:var(--sk-space-4) var(--sk-space-3);color:var(--sk-ink-muted);text-align:center}.sk-opt-skel{cursor:default}.sk-checkbox{flex:none;width:18px;height:18px;box-sizing:border-box;border:2px solid var(--sk-border-control);border-radius:var(--sk-radius-xs);display:inline-flex;align-items:center;justify-content:center;color:var(--sk-ink-inverse);transition:background-color var(--sk-duration-fast) var(--sk-ease-standard),border-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-checkbox-on{background:var(--sk-teal-ink);border-color:var(--sk-teal-ink)}.sk-options-lg{max-height:none;padding:var(--sk-space-2)}.sk-options-lg .sk-opt{min-height:56px;font-size:16px;padding:var(--sk-space-2) var(--sk-space-3)}.sk-options-lg .sk-opt+.sk-opt{box-shadow:0 -1px 0 var(--sk-border);border-radius:0}.sk-options-lg .sk-opt-active{border-radius:var(--sk-radius-sm)}.sk-sheet-layer{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:var(--sk-space-4)}.sk-sheet{position:relative;display:flex;flex-direction:column;width:100%;max-width:440px;max-height:min(80dvh,640px);overflow:hidden;background:var(--sk-surface-card);color:var(--sk-ink);border-radius:var(--sk-radius-xl);box-shadow:var(--sk-shadow-lg);animation:sk-sheet-in var(--sk-duration-slow) var(--sk-ease-out)}@keyframes sk-sheet-in{0%{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}.sk-sheet-head{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;gap:var(--sk-space-2);padding:var(--sk-space-3) var(--sk-space-3);border-bottom:1px solid var(--sk-border)}.sk-sheet-close{width:40px;height:40px;color:var(--sk-ink)}.sk-sheet-title{text-align:center;font-size:17px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sk-sheet-top{padding:var(--sk-space-3) var(--sk-space-4);border-bottom:1px solid var(--sk-border)}.sk-sheet-top .sk-pop-search{border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-full);padding:0 var(--sk-space-3)}.sk-sheet-top .sk-pop-search input{height:44px;font-size:16px}.sk-sheet-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.sk-sheet-foot{display:flex;justify-content:space-between;align-items:center;gap:var(--sk-space-3);padding:var(--sk-space-3) var(--sk-space-4);border-top:1px solid var(--sk-border);background:var(--sk-surface-card)}.sk-sheet-foot .sk-btn:last-child{flex:1}.sk-sheet-foot .sk-dp-foot{flex:1;padding:0;border:0}.sk-sheet-foot .sk-dp-foot>.sk-row{flex:1;justify-content:flex-end}.sk-sheet-foot .sk-dp-foot .sk-btn:last-child{flex:1;height:44px;font-size:var(--sk-text-body)}.sk-sheet:focus{outline:none}.sk-sheet .sk-dp,.sk-sheet .sk-tp{padding:var(--sk-space-4)}.sk-phone{position:relative;width:360px;height:640px;border:10px solid var(--sk-brand-marine);border-radius:44px;overflow:hidden;transform:translateZ(0);background:var(--sk-surface-page);box-sizing:content-box;flex:none}.sk-phone-screen{height:100%;overflow-y:auto;padding:var(--sk-space-4);box-sizing:border-box}.sk-phone-cap{font-size:var(--sk-text-caption);color:var(--sk-ink-muted);font-weight:600;margin-bottom:var(--sk-space-2)}.sk-search-host{position:relative;max-width:560px}.sk-search{display:flex;align-items:center;gap:var(--sk-space-2);height:var(--sk-control-h);padding:0 var(--sk-space-2) 0 var(--sk-space-3);box-sizing:border-box;border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-full);background:var(--sk-surface-card);color:var(--sk-ink-muted);transition:border-color var(--sk-duration-fast) var(--sk-ease-standard),box-shadow var(--sk-duration-fast) var(--sk-ease-standard)}.sk-search:hover{border-color:var(--sk-ink-muted)}.sk-search-open,.sk-search:focus-within{border-color:var(--sk-focus-ring);box-shadow:0 0 0 3px var(--sk-surface-brand)}.sk-search input{flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;font:inherit;font-size:var(--sk-text-body);color:var(--sk-ink)}.sk-search input::-webkit-search-cancel-button{display:none}.sk-search input::placeholder{color:var(--sk-ink-subtle);font-size:13px;opacity:1}.sk-search .sk-kbd{margin-right:var(--sk-space-1)}.sk-search-lg{height:48px}.sk-search-lg input{font-size:16px}.sk-hl{background:var(--sk-brand-aqua-light);color:inherit;font-weight:700;border-radius:2px;padding:0 1px}.sk-search-none{display:flex;flex-direction:column;align-items:center;gap:var(--sk-space-2);padding:var(--sk-space-6) var(--sk-space-4);text-align:center}.sk-search-none-title{font-weight:600;color:var(--sk-ink)}.sk-table-host{min-width:0}.sk-tcards{display:flex;flex-direction:column;gap:var(--sk-space-3)}.sk-tcards-sort{align-items:center}.sk-tcard-list,.sk-tcards-sort{display:flex;gap:var(--sk-space-2)}.sk-tcard-list{list-style:none;margin:0;padding:0;flex-direction:column}.sk-tcard{display:flex;align-items:center;gap:var(--sk-space-3);width:100%;box-sizing:border-box;padding:var(--sk-space-4);background:var(--sk-surface-card);border:1px solid var(--sk-border);border-radius:var(--sk-card-radius);box-shadow:var(--sk-shadow-sm);font:inherit;color:inherit;text-align:left}.sk-tcard-tap{cursor:pointer;transition:transform var(--sk-duration-fast) var(--sk-ease-out),background-color var(--sk-duration-fast) var(--sk-ease-standard);-webkit-tap-highlight-color:transparent}.sk-tcard-tap:active{transform:scale(.98);background:var(--sk-surface-subtle)}.sk-tcard-tap:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-tcard-selected{border-color:var(--sk-teal-ink);background:var(--sk-brand-aqua-light)}.sk-tcard-main{flex:1;min-width:0}.sk-tcard-top{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sk-space-2)}.sk-tcard-title{min-width:0;font-weight:600}.sk-tcard-badge{flex:none}.sk-tcard-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sk-space-2) var(--sk-space-4);margin:var(--sk-space-3) 0 0}.sk-tcard-meta dt{font-size:12px;font-weight:600;color:var(--sk-ink-muted)}.sk-tcard-meta dd{margin:2px 0 0;font-size:var(--sk-text-body);color:var(--sk-ink)}.sk-tnum{font-variant-numeric:tabular-nums}.sk-tcard-chev{flex:none;color:var(--sk-ink-subtle)}.sk-tcard-empty{justify-content:center;color:var(--sk-ink-muted)}.sk-tcards-foot{padding-top:var(--sk-space-1)}.sk-pager{container-type:inline-size}.sk-page-compact{display:none;font-size:var(--sk-text-caption);font-weight:600;color:var(--sk-ink);padding:0 var(--sk-space-2);font-variant-numeric:tabular-nums}@container (max-width: 520px){.sk-page-list,.sk-pager-size,.sk-pager-summary{display:none}.sk-page-compact{display:inline}.sk-pager-controls{width:100%;justify-content:space-between}}.sk-chip{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 var(--sk-space-3);box-sizing:border-box;border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-full);background:var(--sk-surface-card);font:inherit;font-size:var(--sk-text-caption);font-weight:600;color:var(--sk-ink);cursor:pointer;white-space:nowrap;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard),border-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-chip:hover{background:var(--sk-surface-subtle)}.sk-chip:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-chip-on{border-color:var(--sk-teal-ink);color:var(--sk-ink-inverse)}.sk-chip-on,.sk-chip-on:hover{background:var(--sk-teal-ink)}.sk-chip-sub{font-weight:500;opacity:.85}.sk-dp{padding:var(--sk-space-4) var(--sk-space-4) var(--sk-space-3);display:flex;flex-direction:column;gap:var(--sk-space-3)}.sk-dp-head{display:flex;align-items:center;justify-content:space-between}.sk-dp-title{display:inline-flex;align-items:baseline;gap:6px;padding:4px 8px;margin-left:-8px;border:0;border-radius:var(--sk-radius-sm);background:none;font:inherit;color:var(--sk-ink);cursor:pointer}.sk-dp-title:hover{background:var(--sk-surface-subtle)}.sk-dp-title:focus-visible{outline:2px solid var(--sk-focus-ring)}.sk-dp-title .sk-icon{align-self:center;color:var(--sk-ink-muted)}.sk-dp-month{font-size:20px;font-weight:700;letter-spacing:-.01em}.sk-dp-year{font-size:var(--sk-text-body);font-weight:500;color:var(--sk-ink-muted)}.sk-dp-nav,.sk-ribbon{display:flex;gap:2px}.sk-ribbon{height:6px}.sk-ribbon-sm{height:4px;gap:1px}.sk-rib-day{flex:1;border-radius:2px;background:var(--sk-chart-track)}.sk-rib-term{background:var(--sk-teal-ink)}.sk-rib-break{background:var(--sk-warning)}.sk-rib-hol{background:var(--sk-chart-2)}.sk-rib-mark{box-shadow:0 -3px 0 0 var(--sk-ink),0 3px 0 0 var(--sk-ink)}.sk-dp-context{font-size:var(--sk-text-caption);line-height:var(--sk-lh-caption);color:var(--sk-ink-muted);padding:6px var(--sk-space-3);border-radius:var(--sk-radius-full);background:var(--sk-surface-brand);align-self:flex-start}.sk-dp-context strong{color:var(--sk-ink);font-weight:600}.sk-dp-context-brk{background:var(--sk-warning-bg);color:var(--sk-warning-ink)}.sk-dp-context-hol{background:var(--sk-danger-bg);color:var(--sk-danger-ink)}[data-theme=teacher] .sk-dp-context{color:var(--sk-ink)}.sk-cal-grid{display:flex;flex-direction:column;gap:2px}.sk-cal-row{display:grid;grid-template-columns:28px repeat(5,1fr) repeat(2,1fr);align-items:center}.sk-cal-head{margin-bottom:2px}.sk-cal-dow{text-align:center;font-size:12px;font-weight:700;color:var(--sk-ink-muted)}.sk-cal-dow-we{color:var(--sk-ink-muted);opacity:.8}.sk-cal-wk{font-size:11px;font-weight:700;color:var(--sk-teal-ink);text-align:left;font-variant-numeric:tabular-nums}.sk-cal-cell{position:relative;display:flex;justify-content:center;padding:1px 0}.sk-cal-inrange{background:var(--sk-brand-aqua-light)}.sk-cal-rstart{background:linear-gradient(90deg,transparent 50%,var(--sk-brand-aqua-light) 50%)}.sk-cal-rend{background:linear-gradient(90deg,var(--sk-brand-aqua-light) 50%,transparent 50%)}.sk-cal-day{position:relative;width:38px;height:38px;border:0;border-radius:var(--sk-radius-full);background:transparent;font:inherit;font-size:14px;font-weight:600;color:var(--sk-ink);cursor:pointer;font-variant-numeric:tabular-nums;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard),color var(--sk-duration-fast) var(--sk-ease-standard),transform var(--sk-duration-base) var(--sk-ease-out)}.sk-cal-day:hover:not(:disabled):not(.sk-cal-sel){background:var(--sk-surface-subtle)}.sk-cal-day:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:1px}.sk-cal-day:disabled{color:var(--sk-ink-subtle);cursor:not-allowed;text-decoration:line-through}.sk-cal-weekend{color:var(--sk-ink-muted);font-weight:500}.sk-cal-out{color:var(--sk-ink-subtle);font-weight:500}.sk-cal-term:after{content:"";position:absolute;left:50%;bottom:5px;width:12px;height:2px;margin-left:-6px;border-radius:2px;background:var(--sk-teal-ink);opacity:.55}.sk-cal-break{background:repeating-linear-gradient(135deg,var(--sk-warning-bg) 0 4px,transparent 4px 8px);color:var(--sk-warning-ink)}.sk-cal-today{box-shadow:inset 0 0 0 2px var(--sk-teal-ink)}.sk-cal-sel,.sk-cal-sel:hover{background:var(--sk-teal-ink);color:var(--sk-ink-inverse);animation:sk-day-pop var(--sk-duration-base) var(--sk-ease-out)}.sk-cal-sel:after{background:var(--sk-ink-inverse)}.sk-cal-today.sk-cal-sel{box-shadow:inset 0 0 0 2px var(--sk-teal-ink),inset 0 0 0 4px var(--sk-ink-inverse)}@keyframes sk-day-pop{0%{transform:scale(.8)}to{transform:none}}.sk-cal-dot{position:absolute;top:5px;right:6px;width:6px;height:6px;border-radius:50%;background:var(--sk-chart-2);box-shadow:0 0 0 1.5px var(--sk-surface-card)}.sk-dp-legend{display:flex;flex-wrap:wrap;gap:var(--sk-space-3);font-size:12px;color:var(--sk-ink-muted)}.sk-dp-legend span{display:inline-flex;align-items:center;gap:5px}.sk-lg{display:inline-block;width:12px;height:6px;border-radius:2px}.sk-lg-term{background:var(--sk-teal-ink)}.sk-lg-break{background:var(--sk-warning)}.sk-lg-hol{width:6px;border-radius:50%;background:var(--sk-chart-2)}.sk-lg-today{width:10px;height:10px;border-radius:50%;box-shadow:inset 0 0 0 2px var(--sk-teal-ink)}.sk-dp-picks{overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.sk-dp-foot,.sk-dp-picks{display:flex;gap:var(--sk-space-2)}.sk-dp-foot{align-items:center;justify-content:space-between;padding:var(--sk-space-3) var(--sk-space-4);border-top:1px solid var(--sk-border)}.sk-dp-lg .sk-cal-day{width:44px;height:44px;font-size:16px}.sk-dp-lg .sk-dp-picks{flex-wrap:wrap}.sk-yv{display:flex;flex-direction:column;gap:var(--sk-space-3)}.sk-yv-head{display:flex;align-items:center;justify-content:space-between}.sk-yv-title{font-size:18px;font-weight:700}.sk-yv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sk-space-2)}.sk-yv-tile{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid var(--sk-border);border-radius:var(--sk-radius-md);background:var(--sk-surface-card);font:inherit;text-align:left;cursor:pointer;transition:border-color var(--sk-duration-fast) var(--sk-ease-standard),background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-yv-tile:hover{background:var(--sk-surface-subtle)}.sk-yv-tile:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-yv-cur{border-color:var(--sk-teal-ink);box-shadow:inset 0 0 0 1px var(--sk-teal-ink)}.sk-yv-name{font-weight:700;font-size:14px;color:var(--sk-ink)}.sk-tp{padding:var(--sk-space-4) var(--sk-space-4) var(--sk-space-3);display:flex;flex-direction:column;gap:var(--sk-space-4)}.sk-tp-readout{display:flex;align-items:baseline;justify-content:space-between;gap:var(--sk-space-3)}.sk-tp-big{font-size:32px;line-height:40px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.sk-tp-ctx{font-size:var(--sk-text-caption);font-weight:600;color:var(--sk-teal-ink);padding:4px 10px;border-radius:var(--sk-radius-full);background:var(--sk-surface-brand)}.sk-tp-track-wrap{display:flex;flex-direction:column;gap:6px}.sk-tp-track{position:relative;height:28px;border-radius:var(--sk-radius-sm);background:var(--sk-surface-subtle);cursor:pointer;overflow:hidden}.sk-tp-seg{position:absolute;top:4px;bottom:4px;border-radius:4px;background:var(--sk-teal-ink);opacity:.85}.sk-tp-seg-break{background:var(--sk-warning)}.sk-tp-seg-assembly{background:var(--sk-chart-3)}.sk-tp-marker{position:absolute;top:0;bottom:0;width:3px;margin-left:-1.5px;background:var(--sk-ink);border-radius:2px;box-shadow:0 0 0 2px var(--sk-surface-card);transition:left var(--sk-duration-slow) var(--sk-ease-out)}.sk-tp-ticks{position:relative;height:14px}.sk-tp-ticks span{position:absolute;transform:translateX(-50%);font-size:11px;color:var(--sk-ink-muted);font-variant-numeric:tabular-nums}.sk-tp-ticks span:first-child{transform:none}.sk-tp-wheels{position:relative;display:flex;align-items:center;justify-content:center;gap:var(--sk-space-2);height:168px}.sk-tp-wheels:before{content:"";position:absolute;left:0;right:0;top:50%;height:40px;margin-top:-20px;border-radius:var(--sk-radius-md);background:var(--sk-surface-brand)}.sk-wheel{position:relative;list-style:none;margin:0;padding:64px 0;width:64px;height:168px;box-sizing:border-box;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;outline:none;-webkit-mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent)}.sk-wheel::-webkit-scrollbar{display:none}.sk-wheel:focus-visible{outline:2px solid var(--sk-focus-ring);border-radius:var(--sk-radius-md)}.sk-wheel-item{height:40px;line-height:40px;text-align:center;scroll-snap-align:center;font-size:18px;font-weight:500;color:var(--sk-ink-muted);cursor:pointer;font-variant-numeric:tabular-nums;transition:color var(--sk-duration-fast) var(--sk-ease-standard),font-size var(--sk-duration-fast) var(--sk-ease-standard)}.sk-wheel-sel{color:var(--sk-ink)}.sk-tp-colon,.sk-wheel-sel{font-weight:700;font-size:22px}.sk-tp-ampm,.sk-tp-colon{position:relative}.sk-tp-ampm{display:flex;flex-direction:column;gap:4px;margin-left:var(--sk-space-2)}.sk-tp-ap{width:48px;height:32px;border:1px solid var(--sk-border-control);border-radius:var(--sk-radius-full);background:var(--sk-surface-card);font:inherit;font-size:13px;font-weight:700;color:var(--sk-ink-muted);cursor:pointer}.sk-tp-ap:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-tp-ap-on{background:var(--sk-teal-ink);border-color:var(--sk-teal-ink);color:var(--sk-ink-inverse)}.sk-tp-lg .sk-wheel-item{font-size:20px}.sk-tp-lg .sk-wheel-sel{font-size:24px}.sk-tip-right{left:calc(100% + 10px);bottom:auto;top:50%;transform:translate(4px,-50%)}.sk-tip-right.sk-tip-open{transform:translateY(-50%)}.sk-tip-right:after{left:auto;right:100%;top:50%;margin:-6px 0 0;border-top-color:transparent;border-right-color:var(--sk-brand-marine)}.sk-hist{display:flex;flex-direction:column;gap:var(--sk-space-4);margin:0}.sk-hist-head{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--sk-space-3)}.sk-hist-title{font-size:var(--sk-text-title);line-height:var(--sk-lh-title);font-weight:700;color:var(--sk-ink)}.sk-hist-toggle{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;padding-top:4px}.sk-hist-note{display:flex;align-items:center;gap:6px;font-size:var(--sk-text-caption);color:var(--sk-info-ink);background:var(--sk-info-bg);padding:6px var(--sk-space-3);border-radius:var(--sk-radius-full);align-self:flex-start}.sk-hist-chart{display:flex;flex-direction:column;gap:var(--sk-space-2)}.sk-hist-plot{position:relative;display:flex;align-items:flex-end;gap:2px;height:220px;margin-left:36px;border-bottom:1px solid var(--sk-border-control)}.sk-hist-grid{position:absolute;inset:0;pointer-events:none}.sk-hgrid{position:absolute;left:0;right:0;height:0;border-top:1px solid var(--sk-chart-grid)}.sk-hgrid em{position:absolute;right:calc(100% + 8px);top:-8px;font-style:normal;font-size:11px;color:var(--sk-ink-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.sk-hcol{position:relative;flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;transition:opacity var(--sk-duration-base) var(--sk-ease-standard)}.sk-hcol-dim{opacity:.45}.sk-hbar{display:block;width:100%;min-height:0;padding:0;border:0;cursor:pointer;background:var(--sk-chart-1);border-radius:4px 4px 0 0;transition:height var(--sk-duration-count) var(--sk-ease-out),width var(--sk-duration-count) var(--sk-ease-out),filter var(--sk-duration-fast) var(--sk-ease-standard)}.sk-hbar.sk-lv-low{background:var(--sk-danger)}.sk-hbar.sk-lv-mid{background:var(--sk-warning)}.sk-hbar.sk-lv-high{background:var(--sk-chart-1)}.sk-hbar:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-hbar-sel{box-shadow:0 0 0 2px var(--sk-surface-card),0 0 0 4px var(--sk-ink)}.sk-hlabel{top:calc(100% + 6px);font-size:11px;color:var(--sk-ink-muted);font-variant-numeric:tabular-nums}.sk-hlabel,.sk-htip{position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap}.sk-htip{z-index:5;bottom:calc(100% + 8px);display:flex;flex-direction:column;gap:2px;padding:var(--sk-space-2) var(--sk-space-3);background:var(--sk-brand-marine);color:var(--sk-ink-inverse);border-radius:var(--sk-radius-sm);box-shadow:var(--sk-shadow-md);font-size:12px;pointer-events:none}.sk-hcol .sk-htip{bottom:auto;top:-48px}.sk-hmarker{position:absolute;top:0;bottom:0;width:0;border-left:2px dashed var(--sk-ink);z-index:2;pointer-events:none}.sk-hmarker em{position:absolute;top:-2px;left:6px;font-style:normal;font-size:11px;font-weight:700;color:var(--sk-ink);background:var(--sk-surface-card);padding:0 4px;border-radius:4px;white-space:nowrap}.sk-hist-axis{margin:var(--sk-space-5) 0 0 36px;text-align:center;font-size:12px;font-weight:600;color:var(--sk-ink-muted)}.sk-hist-legend .sk-lg-low{background:var(--sk-danger)}.sk-hist-legend .sk-lg-mid{background:var(--sk-warning)}.sk-hist-h .sk-hist-plot{flex-direction:column;align-items:stretch;height:auto;gap:6px;margin-left:64px;border-bottom:0;border-left:1px solid var(--sk-border-control);padding:4px 0}.sk-hist-h .sk-hgrid{top:0;bottom:0;height:auto;width:0;border-top:0;border-left:1px solid var(--sk-chart-grid)}.sk-hist-h .sk-hgrid em{right:auto;top:auto;bottom:-18px;transform:translateX(-50%)}.sk-hist-h .sk-hcol{height:22px;width:100%;flex:none;flex-direction:row;justify-content:flex-start}.sk-hist-h .sk-hbar{height:100%;border-radius:0 4px 4px 0}.sk-hist-h .sk-hlabel{right:calc(100% + 8px)}.sk-hist-h .sk-hlabel,.sk-hist-h .sk-htip{top:50%;left:auto;transform:translateY(-50%)}.sk-hist-h .sk-htip{right:8px;bottom:auto;flex-direction:row;gap:6px}.sk-hist-h .sk-hmarker{left:0;right:0;top:auto;bottom:auto;width:auto;height:0;border-left:0;border-top:2px dashed var(--sk-ink)}.sk-hist-h .sk-hist-axis{margin-left:64px;margin-top:var(--sk-space-6)}.sk-hist-skel{align-items:flex-end;border-bottom-color:var(--sk-border)}.sk-hist-skelbar{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(90deg,var(--sk-surface-subtle) 0,var(--sk-border) 50%,var(--sk-surface-subtle) 100%);background-size:200% 100%;animation:sk-shimmer 1.4s var(--sk-ease-standard) infinite}.sk-hist-state{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--sk-space-2);min-height:220px;text-align:center}.sk-hist-state-title{font-weight:700;color:var(--sk-ink)}.sk-hist-ghost{position:absolute;inset:24px 15% 0;display:flex;align-items:flex-end;gap:6px;opacity:.6;pointer-events:none}.sk-hist-ghost span{flex:1;border:2px dashed var(--sk-border);border-bottom:0;border-radius:6px 6px 0 0}.sk-hist-empty>:not(.sk-hist-ghost){position:relative}.sk-hist-table{width:100%;border-collapse:collapse;font-size:var(--sk-text-body)}.sk-hist-table td,.sk-hist-table th{padding:var(--sk-space-2) var(--sk-space-3);border-bottom:1px solid var(--sk-border);text-align:left}.sk-hist-table th{font-size:12px;color:var(--sk-ink-muted);background:var(--sk-surface-subtle)}.sk-menu{position:relative;display:inline-block}.sk-menu-trigger .sk-select-caret{transition:transform var(--sk-duration-base) var(--sk-ease-out)}.sk-split-open .sk-select-caret{transform:rotate(180deg)}.sk-split{display:inline-flex;align-items:stretch;height:var(--sk-control-h);border-radius:var(--sk-radius-full);overflow:hidden}.sk-split>button{display:inline-flex;align-items:center;gap:var(--sk-space-2);border:0;font:inherit;font-size:var(--sk-text-body);font-weight:600;cursor:pointer;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-split>button:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:-4px;border-radius:var(--sk-radius-full)}.sk-split-main{padding:0 var(--sk-space-4) 0 var(--sk-space-5)}.sk-split-more{padding:0 var(--sk-space-3) 0 var(--sk-space-3);position:relative}.sk-split-more:before{content:"";position:absolute;left:0;top:25%;bottom:25%;width:1px;background:currentColor;opacity:.35}.sk-split-primary>button{background:var(--sk-action-primary);color:var(--sk-on-action-primary)}.sk-split-primary>.sk-split-open,.sk-split-primary>button:hover{background:var(--sk-action-primary-hover)}.sk-split-secondary{box-shadow:inset 0 0 0 1px var(--sk-border-control)}.sk-split-secondary>button{background:var(--sk-surface-card);color:var(--sk-ink)}.sk-split-secondary>button:hover{background:var(--sk-surface-subtle)}@media (hover:hover) and (pointer:fine){.sk-split{transition:transform var(--sk-duration-base) var(--sk-ease-out),box-shadow var(--sk-duration-base) var(--sk-ease-out)}.sk-split:hover{transform:translateY(-2px);box-shadow:var(--sk-shadow-float)}}.sk-pop-menu{width:340px;max-width:calc(100vw - 32px);border-radius:var(--sk-radius-xl);padding:var(--sk-space-2)}.sk-pop-alignright{left:auto;right:0}.sk-pop-alignleft{left:0}.sk-menu-head{display:flex;flex-direction:column;gap:2px;padding:var(--sk-space-2) var(--sk-space-3) var(--sk-space-3);border-bottom:1px solid var(--sk-border);margin-bottom:var(--sk-space-1);font-weight:700}.sk-menu-list{list-style:none;margin:0;padding:0;max-height:420px;overflow-y:auto}.sk-mitem{display:flex;align-items:center;gap:var(--sk-space-3);width:100%;min-height:56px;padding:var(--sk-space-2) var(--sk-space-3);box-sizing:border-box;border:0;border-radius:var(--sk-radius-md);background:transparent;font:inherit;text-align:left;color:var(--sk-ink);cursor:pointer;transition:background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-mitem:focus-visible,.sk-mitem:hover{background:var(--sk-surface-subtle);outline:none}.sk-mitem:focus-visible{box-shadow:inset 0 0 0 2px var(--sk-focus-ring)}.sk-mitem-icon{flex:none;width:40px;height:40px;border-radius:var(--sk-radius-md);background:var(--sk-surface-brand);color:var(--sk-teal-ink);display:inline-flex;align-items:center;justify-content:center}.sk-mitem-label{font-weight:600}.sk-mitem-disabled{cursor:not-allowed}.sk-mitem-disabled .sk-mitem-label{color:var(--sk-ink-muted)}.sk-mitem-disabled .sk-mitem-icon{background:var(--sk-surface-subtle);color:var(--sk-ink-muted)}.sk-mitem-current{background:var(--sk-surface-brand)}.sk-mitem .sk-kbd{margin-left:auto}.sk-options-lg .sk-mitem{min-height:64px}.sk-sidebar{display:flex;flex-direction:column;gap:var(--sk-space-4);width:264px;height:100%;box-sizing:border-box;padding:var(--sk-space-4) var(--sk-space-3);background:var(--sk-surface-card);border-right:1px solid var(--sk-border);transition:width var(--sk-duration-slow) var(--sk-ease-out)}.sk-sidebar-collapsed{width:76px;align-items:center}.sk-side-top{display:flex;align-items:center;justify-content:space-between;gap:var(--sk-space-2);padding:0 var(--sk-space-2);min-height:40px}.sk-sidebar-collapsed .sk-side-top{flex-direction:column;padding:0}.sk-side-logo img{display:block;height:30px;width:auto}.sk-side-mark{width:36px;height:36px;border-radius:var(--sk-radius-md);background:var(--sk-brand-aqua);color:var(--sk-brand-marine);font-weight:800;display:inline-flex;align-items:center;justify-content:center}.sk-side-branch .sk-select-trigger{max-width:none;border-color:var(--sk-border);background:var(--sk-surface-subtle);font-weight:600}.sk-side-nav{position:relative;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--sk-space-4)}.sk-sidebar-collapsed .sk-side-nav{width:100%;align-items:center;overflow:visible}.sk-nav-sec ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.sk-nav-heading{padding:0 var(--sk-space-3) var(--sk-space-2);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sk-ink-muted)}.sk-side-nav .sk-tip-wrap{display:flex}.sk-nav-item{position:relative;z-index:1;display:flex;align-items:center;gap:var(--sk-space-3);width:100%;height:44px;padding:0 var(--sk-space-3);box-sizing:border-box;border:0;border-radius:var(--sk-radius-md);background:transparent;font:inherit;font-size:var(--sk-text-body);font-weight:500;color:var(--sk-ink-muted);cursor:pointer;text-align:left;transition:color var(--sk-duration-fast) var(--sk-ease-standard),background-color var(--sk-duration-fast) var(--sk-ease-standard)}.sk-nav-item:hover{color:var(--sk-ink);background:var(--sk-surface-subtle)}.sk-nav-item:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:-2px}.sk-nav-current,.sk-nav-current:hover{color:var(--sk-teal-ink);font-weight:700;background:transparent}.sk-nav-marker{position:absolute;left:0;top:0;border-radius:var(--sk-radius-md);background:var(--sk-surface-brand);transition:transform var(--sk-duration-slow) var(--sk-ease-out),height var(--sk-duration-slow) var(--sk-ease-out)}.sk-nav-marker:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--sk-teal-ink)}.sk-nav-label{flex:1}.sk-nav-locked,.sk-nav-locked:hover{color:var(--sk-ink-subtle);cursor:not-allowed;background:transparent}.sk-nav-lock{color:var(--sk-ink-subtle)}.sk-nav-badge{min-width:22px;height:22px;padding:0 7px;box-sizing:border-box;border-radius:var(--sk-radius-full);background:var(--sk-surface-subtle);color:var(--sk-ink);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.sk-nav-badge-danger{background:var(--sk-danger);color:var(--sk-ink-inverse)}.sk-nav-badge-info{background:var(--sk-teal-ink);color:var(--sk-ink-inverse)}.sk-nav-dot{position:absolute;top:9px;right:12px;width:8px;height:8px;border-radius:50%;background:var(--sk-danger);box-shadow:0 0 0 2px var(--sk-surface-card)}.sk-sidebar-collapsed .sk-nav-item{width:48px;justify-content:center;padding:0}.sk-side-foot{display:flex;flex-direction:column;gap:var(--sk-space-2);border-top:1px solid var(--sk-border);padding-top:var(--sk-space-3)}.sk-side-foot ul{list-style:none;margin:0;padding:0}.sk-side-setup{display:flex;align-items:center;gap:var(--sk-space-3);width:100%;padding:var(--sk-space-3);border:0;border-radius:var(--sk-radius-xl);background:var(--sk-surface-brand);font:inherit;text-align:left;color:var(--sk-ink);cursor:pointer;transition:transform var(--sk-duration-base) var(--sk-ease-out)}.sk-side-setup:hover{transform:translateY(-1px)}.sk-side-setup:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}[data-theme=teacher] .sk-side-setup .sk-opt-desc{color:var(--sk-ink)}.sk-side-user{gap:var(--sk-space-3);padding:var(--sk-space-2) var(--sk-space-2) 0}.sk-side-user,.sk-topbar{display:flex;align-items:center}.sk-topbar{gap:var(--sk-space-4);min-height:64px;padding:var(--sk-space-2) var(--sk-space-6);box-sizing:border-box;background:var(--sk-surface-card);border-bottom:1px solid var(--sk-border)}.sk-topbar-compact{padding:var(--sk-space-2) var(--sk-space-3);gap:var(--sk-space-2)}.sk-top-left{display:flex;align-items:center;gap:var(--sk-space-2);min-width:0;flex:0 1 auto}.sk-topbar:not(.sk-topbar-compact) .sk-top-left{flex:none}.sk-topbar-compact .sk-top-left{flex:1}.sk-top-titles{min-width:0;display:flex;flex-direction:column;gap:2px}.sk-top-title{margin:0;font-size:20px;line-height:28px;font-weight:700;color:var(--sk-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sk-topbar-compact .sk-top-title{font-size:17px}.sk-top-search{flex:1 1 160px;min-width:0;max-width:440px;margin-left:auto}.sk-top-search .sk-search-host{min-width:0}.sk-session-strip{display:flex;align-items:center;gap:var(--sk-space-3);width:100%;padding:var(--sk-space-3) var(--sk-space-4);box-sizing:border-box;border:0;border-bottom:1px solid var(--sk-warning-border);background:var(--sk-warning-bg);font:inherit;text-align:left;cursor:pointer}.sk-session-strip,.sk-session-strip .sk-mitem-label{color:var(--sk-warning-ink)}.sk-session-strip .sk-opt-desc{color:var(--sk-warning-ink);white-space:normal}.sk-session-strip:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:-2px}.sk-top-right{display:flex;align-items:center;gap:var(--sk-space-2);flex:none;margin-left:auto}.sk-session-chip{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 var(--sk-space-3);border-radius:var(--sk-radius-full);background:var(--sk-surface-brand);color:var(--sk-teal-ink);font-size:12px;font-weight:700;white-space:nowrap;cursor:default}.sk-session-chip:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-session-warning{background:var(--sk-warning-bg);color:var(--sk-warning-ink)}[data-theme=teacher] .sk-session-chip:not(.sk-session-warning){color:var(--sk-teal-deep)}.sk-top-bell{position:relative;width:40px;height:40px;color:var(--sk-ink)}.sk-bell-count{position:absolute;top:4px;right:2px;min-width:18px;height:18px;padding:0 4px;box-sizing:border-box;border-radius:var(--sk-radius-full);background:var(--sk-danger);color:var(--sk-ink-inverse);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--sk-surface-card);animation:sk-pop var(--sk-duration-base) var(--sk-ease-out)}.sk-top-user{display:inline-flex;align-items:center;gap:4px;padding:2px 4px 2px 2px;border:0;border-radius:var(--sk-radius-full);background:transparent;color:var(--sk-ink-muted);cursor:pointer}.sk-top-user:hover{background:var(--sk-surface-subtle)}.sk-top-user:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:2px}.sk-bnav-host{position:absolute;left:0;right:0;bottom:0}.sk-bnav{display:flex;justify-content:space-around;align-items:stretch;padding:6px 4px calc(6px + env(safe-area-inset-bottom));border-top:1px solid var(--sk-border);box-shadow:0 -4px 16px -8px rgba(16,24,40,.12)}.sk-bnav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:56px;padding:4px 0;border:0;background:transparent;font:inherit;color:var(--sk-ink-muted);cursor:pointer;-webkit-tap-highlight-color:transparent}.sk-bnav-item:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:-2px;border-radius:var(--sk-radius-md)}.sk-bnav-pill{position:relative;display:inline-flex;align-items:center;justify-content:center;width:56px;height:32px;border-radius:var(--sk-radius-full);transition:background-color var(--sk-duration-base) var(--sk-ease-standard),transform var(--sk-duration-base) var(--sk-ease-out)}.sk-bnav-item:active .sk-bnav-pill{transform:scale(.92)}.sk-bnav-current{color:var(--sk-teal-ink)}.sk-bnav-current .sk-bnav-pill{background:var(--sk-surface-brand);animation:sk-pill-in var(--sk-duration-slow) var(--sk-ease-out)}@keyframes sk-pill-in{0%{transform:scaleX(.5);opacity:.4}to{transform:none;opacity:1}}.sk-bnav-label{font-size:12px;font-weight:600}.sk-bnav-badge,.sk-bnav-current .sk-bnav-label{font-weight:700}.sk-bnav-badge{position:absolute;top:-2px;right:8px;min-width:18px;height:18px;padding:0 4px;box-sizing:border-box;border-radius:var(--sk-radius-full);background:var(--sk-danger);color:var(--sk-ink-inverse);font-size:11px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--sk-surface-card)}[data-theme=teacher] .sk-bnav-current{color:var(--sk-teal-deep)}.sk-mark{display:inline-flex;gap:4px;padding:3px;border-radius:var(--sk-radius-full);background:var(--sk-surface-subtle)}.sk-mark-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:34px;padding:0 var(--sk-space-3);min-width:34px;box-sizing:border-box;border:1.5px solid transparent;border-radius:var(--sk-radius-full);background:transparent;font:inherit;font-size:13px;font-weight:600;color:var(--sk-ink-muted);cursor:pointer;transition:background-color var(--sk-duration-base) var(--sk-ease-standard),color var(--sk-duration-base) var(--sk-ease-standard),border-color var(--sk-duration-base) var(--sk-ease-standard),transform var(--sk-duration-fast) var(--sk-ease-out)}.sk-mark-btn:hover:not(:disabled){color:var(--sk-ink);background:var(--sk-surface-card)}.sk-mark-btn:active:not(:disabled){transform:scale(.94)}.sk-mark-btn:focus-visible{outline:2px solid var(--sk-focus-ring);outline-offset:1px}.sk-mark-btn:disabled{cursor:not-allowed;opacity:.5}.sk-mark-present.sk-mark-on{background:var(--sk-success-bg);border-color:var(--sk-success);color:var(--sk-success-ink)}.sk-mark-late.sk-mark-on{background:var(--sk-warning-bg);border-color:var(--sk-warning);color:var(--sk-warning-ink)}.sk-mark-absent.sk-mark-on{background:var(--sk-danger-bg);border-color:var(--sk-danger);color:var(--sk-danger-ink)}.sk-mark-on{animation:sk-pop var(--sk-duration-base) var(--sk-ease-out)}.sk-mark-empty{box-shadow:inset 0 0 0 1.5px var(--sk-border-control)}.sk-mark-lg{display:flex;width:100%}.sk-mark-lg .sk-mark-btn{flex:1;height:48px;font-size:15px}.sk-mark-compact .sk-mark-btn{padding:0;width:34px}.sk-mark-locked{display:inline-flex;align-items:center;gap:var(--sk-space-3);min-height:34px}.sk-reg{gap:var(--sk-space-4);padding:var(--sk-space-5);min-width:0}.sk-reg,.sk-reg-head{display:flex;flex-direction:column}.sk-reg-head,.sk-reg-top{gap:var(--sk-space-3)}.sk-reg-top{display:flex;justify-content:space-between;align-items:flex-start}.sk-reg-progress-text{font-size:var(--sk-text-body);color:var(--sk-ink-muted);white-space:nowrap}.sk-reg-progress-text strong{color:var(--sk-ink);font-size:20px;font-variant-numeric:tabular-nums}.sk-reg-bar{display:flex;gap:2px;height:10px;border-radius:var(--sk-radius-full);background:var(--sk-chart-track);overflow:hidden}.sk-reg-seg{height:100%;transition:width var(--sk-duration-slow) 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