@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@400;500;600&display=swap";.chip[data-v-ede54ae5]{display:inline-flex;align-items:center;justify-content:center;min-height:var(--chip-height);padding:0 var(--space-xs);border-radius:var(--radius-pill);border:var(--border-thin) solid transparent;font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:0;white-space:nowrap}.chip--neutral[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-surface-strong) 52%,var(--color-surface));border-color:var(--color-line-strong);color:var(--color-muted-strong)}.chip--primary[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-primary-soft) 52%,var(--color-surface));border-color:color-mix(in oklab,var(--color-primary) 18%,white 82%);color:var(--color-primary-strong)}.chip--info[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-info-soft) 52%,var(--color-surface));border-color:color-mix(in oklab,var(--color-info) 18%,white 82%);color:var(--color-info-strong)}.chip--success[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-success-soft) 52%,var(--color-surface));border-color:color-mix(in oklab,var(--color-success) 18%,white 82%);color:var(--color-success-strong)}.chip--warning[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-warning-soft) 54%,var(--color-surface));border-color:color-mix(in oklab,var(--color-warning) 20%,white 80%);color:var(--color-warning-strong)}.chip--danger[data-v-ede54ae5]{background:color-mix(in oklab,var(--color-danger-soft) 52%,var(--color-surface));border-color:color-mix(in oklab,var(--color-danger) 18%,white 82%);color:var(--color-danger-strong)}.chip--subtle[data-v-ede54ae5]{background:color-mix(in oklab,currentColor 3%,white 97%)}.user-selector[data-v-d71bdb1a]{position:relative;display:inline-block}.user-selector__trigger[data-v-d71bdb1a]{display:flex;align-items:center;gap:var(--space-xs);height:var(--control-height-sm);max-width:min(15rem,58vw);padding:0 var(--space-sm);background:var(--color-surface);border:var(--border-thin) solid var(--color-line-strong);border-radius:var(--radius-pill);color:var(--color-ink);font:inherit;font-size:var(--text-sm);cursor:pointer;transition:border-color var(--motion-fast)}.user-selector__label[data-v-d71bdb1a]{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-selector__trigger[data-v-d71bdb1a]:hover,.user-selector__trigger--active[data-v-d71bdb1a]{border-color:color-mix(in oklab,var(--color-primary) 34%,var(--color-line-strong))}.user-selector__icon[data-v-d71bdb1a]{font-size:.6em;color:var(--color-muted)}.user-selector__dropdown[data-v-d71bdb1a]{position:absolute;top:calc(100% + var(--space-2xs));right:0;width:14rem;background:var(--color-surface);border:var(--border-thin) solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:var(--z-dropdown, 100);overflow:hidden;display:flex;flex-direction:column}.user-selector__list[data-v-d71bdb1a]{max-height:16rem;overflow-y:auto;padding:var(--space-2xs) 0}.user-selector__item[data-v-d71bdb1a]{width:100%;text-align:left;padding:var(--space-xs) var(--space-sm);background:transparent;border:none;cursor:pointer;color:var(--color-ink);transition:background var(--motion-fast)}.user-selector__item[data-v-d71bdb1a]:hover{background:color-mix(in oklab,var(--color-bg-strong) 42%,var(--color-surface))}.user-selector__item--active[data-v-d71bdb1a]{background:color-mix(in oklab,var(--color-primary-soft) 46%,var(--color-surface));color:var(--color-primary-strong)}.user-selector__item-content[data-v-d71bdb1a]{display:flex;gap:var(--space-xs);justify-content:space-between;align-items:baseline;min-width:0}.user-selector__item-name[data-v-d71bdb1a]{min-width:0;overflow:hidden;font-weight:500;font-size:var(--text-sm);text-overflow:ellipsis;white-space:nowrap}.user-selector__item-meta[data-v-d71bdb1a]{font-size:var(--text-xs);color:var(--color-muted)}.user-selector__footer[data-v-d71bdb1a]{border-top:var(--border-thin) solid var(--color-line);padding:var(--space-2xs);display:grid;gap:var(--space-3xs)}.user-selector__name-form[data-v-d71bdb1a]{display:grid;gap:var(--space-2xs);padding:var(--space-2xs)}.user-selector__name-input[data-v-d71bdb1a]{width:100%;min-height:var(--control-height-sm);padding:0 var(--space-xs);border:var(--border-thin) solid var(--color-line-strong);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-ink);font:inherit;font-size:var(--text-sm)}.user-selector__name-actions[data-v-d71bdb1a]{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xs)}.user-selector__name-submit[data-v-d71bdb1a],.user-selector__name-cancel[data-v-d71bdb1a]{min-height:var(--control-height-sm);border:var(--border-thin) solid var(--color-line-strong);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-ink);font:inherit;font-size:var(--text-sm)}.user-selector__name-submit[data-v-d71bdb1a]{border-color:color-mix(in oklab,var(--color-primary) 34%,var(--color-line-strong));color:var(--color-primary-strong)}.user-selector__name-submit[data-v-d71bdb1a]:disabled{cursor:not-allowed;opacity:.55}.user-selector__action[data-v-d71bdb1a]{width:100%;text-align:center;padding:var(--space-xs);background:transparent;border:none;cursor:pointer;color:var(--color-primary);font-size:var(--text-sm);font-weight:500;border-radius:var(--radius-sm);transition:background var(--motion-fast)}.user-selector__action[data-v-d71bdb1a]:hover{background:color-mix(in oklab,var(--color-primary-soft) 42%,var(--color-surface))}.user-selector__action--secondary[data-v-d71bdb1a]{color:var(--color-muted-strong)}.header[data-v-2f50571a]{position:sticky;top:0;z-index:var(--z-header);display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-sm);align-items:center;min-height:4.2rem;padding:var(--space-sm) clamp(var(--space-md),2.6vw,var(--space-2xl));background:color-mix(in oklab,var(--color-surface) 94%,transparent);border-bottom:var(--border-thin) solid color-mix(in oklab,var(--color-line) 72%,transparent);-webkit-backdrop-filter:blur(var(--blur-soft));backdrop-filter:blur(var(--blur-soft))}.header__left[data-v-2f50571a],.header__meta[data-v-2f50571a]{display:flex;flex-wrap:wrap;gap:var(--space-xs);align-items:center}.header__copy[data-v-2f50571a]{display:grid;gap:.08rem}.header__copy p[data-v-2f50571a],.header__copy h2[data-v-2f50571a],.header__sync[data-v-2f50571a]{margin:0}.header__copy p[data-v-2f50571a]{color:var(--color-muted);font-size:var(--text-xs);font-weight:var(--weight-bold)}.header__copy h2[data-v-2f50571a]{max-width:34rem;font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-muted-strong)}.header__menu[data-v-2f50571a]{display:none;gap:var(--space-2xs);align-items:center;min-height:var(--control-height-sm);padding:0 var(--space-sm);border:var(--border-thin) solid var(--color-line-strong);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-ink);font-weight:var(--weight-semibold)}.header__menu svg[data-v-2f50571a]{width:1rem;aspect-ratio:1;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}.header__meta[data-v-2f50571a]{justify-content:end}.header__sync[data-v-2f50571a]{color:var(--color-muted);font-size:var(--text-xs);white-space:nowrap}@media (max-width: 62rem){.header[data-v-2f50571a]{gap:var(--space-xs);padding:var(--space-xs) var(--space-md)}.header__menu[data-v-2f50571a]{display:inline-flex}}@media (max-width: 38rem){.header__left[data-v-2f50571a],.header__meta[data-v-2f50571a]{width:100%}.header__left[data-v-2f50571a]{justify-content:space-between}.header__meta[data-v-2f50571a]{gap:var(--space-2xs)}.header__sync[data-v-2f50571a]{width:100%}}.sidebar[data-v-195f17c5]{position:fixed;inset:0 auto 0 0;z-index:var(--z-sticky);width:var(--sidebar-width);background:var(--color-sidebar);border-right:var(--border-thin) solid var(--color-line)}.sidebar__inner[data-v-195f17c5]{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto auto;gap:var(--space-md);height:100vh;padding:var(--space-md) var(--space-sm);overflow-y:auto}.sidebar__brand[data-v-195f17c5]{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--space-xs);align-items:center;color:inherit;text-decoration:none}.sidebar__logo[data-v-195f17c5]{display:grid;place-items:center;width:var(--logo-size);aspect-ratio:1;border:var(--border-thin) solid color-mix(in oklab,var(--color-primary) 14%,var(--color-line));border-radius:var(--radius-md);background:color-mix(in oklab,var(--color-surface) 84%,var(--color-primary-soft));color:var(--color-primary-strong);font-weight:var(--weight-bold)}.sidebar__brand span[data-v-195f17c5]:last-child{display:grid;gap:.08rem}.sidebar__eyebrow[data-v-195f17c5]{color:var(--color-muted);font-size:var(--text-2xs);font-weight:var(--weight-bold)}.sidebar__title[data-v-195f17c5]{font-size:var(--text-md)}.sidebar__nav[data-v-195f17c5]{display:grid;gap:var(--space-3xs)}.sidebar__link[data-v-195f17c5]{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--space-xs);align-items:center;min-height:2.7rem;padding:0 var(--space-xs);border:var(--border-thin) solid transparent;border-radius:var(--radius-md);color:color-mix(in oklab,var(--color-ink) 86%,var(--color-muted));text-decoration:none;transition:border-color var(--motion-fast) var(--ease-standard),background-color var(--motion-fast) var(--ease-standard),color var(--motion-fast) var(--ease-standard),transform var(--motion-fast) var(--ease-standard)}.sidebar__link[data-v-195f17c5]:hover{border-color:var(--color-line);background:color-mix(in oklab,var(--color-surface) 88%,transparent);transform:translate(.12rem)}.sidebar__link.router-link-active[data-v-195f17c5]{border-color:color-mix(in oklab,var(--color-primary) 18%,var(--color-line));background:color-mix(in oklab,var(--color-primary-soft) 54%,var(--color-surface));color:var(--color-primary-strong)}.sidebar__link--secondary.router-link-active[data-v-195f17c5]{border-color:var(--color-line-strong);background:color-mix(in oklab,var(--color-surface-strong) 48%,var(--color-surface));color:var(--color-ink)}.sidebar__link-mark[data-v-195f17c5]{display:grid;place-items:center;width:1.85rem;aspect-ratio:1;border-radius:var(--radius-sm);background:color-mix(in oklab,var(--color-surface) 74%,var(--color-paper-strong));color:var(--color-muted-strong);transition:background-color var(--motion-fast) var(--ease-standard),color var(--motion-fast) var(--ease-standard)}.sidebar__link-mark svg[data-v-195f17c5]{width:1.05rem;aspect-ratio:1;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar__link.router-link-active .sidebar__link-mark[data-v-195f17c5]{background:color-mix(in oklab,var(--color-primary) 14%,var(--color-surface));color:var(--color-primary-strong)}.sidebar__link-label[data-v-195f17c5]{overflow:hidden;font-weight:var(--weight-semibold);text-overflow:ellipsis;white-space:nowrap}.sidebar__spacer[data-v-195f17c5]{min-height:var(--space-xl)}.sidebar__student[data-v-195f17c5]{display:grid;gap:var(--space-3xs);padding:var(--space-sm);border:var(--border-thin) solid var(--color-line);border-radius:var(--radius-md);background:color-mix(in oklab,var(--color-surface) 92%,transparent)}.sidebar__student span[data-v-195f17c5]{color:var(--color-muted);font-size:var(--text-xs)}.sidebar__student strong[data-v-195f17c5]{font-size:var(--text-sm)}.sidebar__admin[data-v-195f17c5]{display:grid;gap:var(--space-xs)}.sidebar__admin summary[data-v-195f17c5]{cursor:pointer;color:var(--color-muted-strong);font-size:var(--text-xs);font-weight:var(--weight-bold)}.sidebar__admin[open] summary[data-v-195f17c5]{color:var(--color-ink)}@media (max-width: 62rem){.sidebar[data-v-195f17c5]{transform:translate(-100%);transition:transform var(--motion-slow) var(--ease-emphasized);box-shadow:var(--shadow-xl)}.sidebar--open[data-v-195f17c5]{z-index:var(--z-drawer);transform:translate(0)}}.particle-network[data-v-027c579f]{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;pointer-events:none}@media (prefers-reduced-motion: reduce){.particle-network[data-v-027c579f]{opacity:.68}}.app-shell[data-v-12200f95]{position:relative;min-height:100vh}.app-shell__standalone[data-v-12200f95]{min-height:100vh}.app-shell__content[data-v-12200f95]{position:relative;isolation:isolate;display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;height:100vh;overflow:hidden;margin-left:var(--sidebar-width);background:linear-gradient(120deg,color-mix(in oklab,var(--color-paper) 42%,var(--color-bg)) 0%,var(--color-bg) 48%,color-mix(in oklab,var(--color-sky-soft) 34%,var(--color-bg)) 100%)}.app-shell__particles[data-v-12200f95]{position:fixed;inset:0 0 0 var(--sidebar-width);z-index:0;overflow:hidden;pointer-events:none}.app-shell__main[data-v-12200f95]{position:relative;z-index:2;min-width:0;overflow-y:auto;padding:var(--space-lg) clamp(var(--space-md),2.6vw,var(--space-2xl)) var(--space-2xl);scrollbar-gutter:stable}.app-shell__frame[data-v-12200f95]{position:relative;z-index:1;width:min(100%,var(--content-max-width));margin:0 auto}[data-v-12200f95] .header{z-index:var(--z-header)}.app-shell__backdrop[data-v-12200f95]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);background:color-mix(in oklab,var(--color-ink) 14%,transparent);opacity:0;pointer-events:none;transition:opacity var(--motion-slow) var(--ease-emphasized)}.app-shell__backdrop--visible[data-v-12200f95]{opacity:1;pointer-events:auto}@media (max-width: 62rem){.app-shell__content[data-v-12200f95]{margin-left:0}.app-shell__particles[data-v-12200f95]{top:0;right:0;bottom:0;left:0}.app-shell__main[data-v-12200f95]{padding:var(--space-md) var(--space-md) var(--space-xl)}}:root{color-scheme:light;--font-body: "Noto Sans SC", sans-serif;--font-display: "Noto Sans SC", sans-serif;--font-reading: "Noto Serif SC", serif;--weight-regular: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--weight-extrabold: 800;--text-2xs: .75rem;--text-xs: .8125rem;--text-sm: .9375rem;--text-md: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-display: 3rem;--leading-tight: 1.04;--leading-snug: 1.22;--leading-relaxed: 1.72;--space-3xs: clamp(.25rem, .23rem + .06vw, .3rem);--space-2xs: clamp(.42rem, .38rem + .12vw, .52rem);--space-xs: clamp(.62rem, .56rem + .2vw, .78rem);--space-sm: clamp(.86rem, .78rem + .28vw, 1.08rem);--space-md: clamp(1.16rem, 1.04rem + .42vw, 1.48rem);--space-lg: clamp(1.58rem, 1.36rem + .75vw, 2.12rem);--space-xl: clamp(2.12rem, 1.72rem + 1.25vw, 3rem);--space-2xl: clamp(2.9rem, 2.28rem + 1.9vw, 4.3rem);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .5rem;--radius-xl: .5rem;--radius-pill: 999px;--shadow-md: 0 .7rem 1.6rem -1.35rem color-mix(in oklab, var(--color-ink) 16%, transparent);--shadow-lg: 0 1rem 2.2rem -1.75rem color-mix(in oklab, var(--color-ink) 18%, transparent);--shadow-xl: 0 1.35rem 2.8rem -2rem color-mix(in oklab, var(--color-ink) 20%, transparent);--motion-fast: .15s;--motion-slow: .28s;--ease-standard: cubic-bezier(.22, .9, .22, 1);--ease-emphasized: cubic-bezier(.16, 1, .3, 1);--color-bg: oklch(.99 .009 98);--color-bg-strong: oklch(.97 .014 98);--color-sidebar: oklch(.975 .011 128);--color-surface: oklch(.998 .003 105);--color-surface-strong: oklch(.965 .013 100);--color-surface-sunken: oklch(.945 .014 112);--color-ink: oklch(.235 .018 205);--color-muted-strong: oklch(.43 .018 190);--color-muted: oklch(.59 .014 185);--color-line: oklch(.902 .013 100);--color-line-strong: oklch(.84 .017 105);--color-primary: oklch(.41 .055 160);--color-primary-light: oklch(.75 .055 155);--color-primary-soft: oklch(.94 .03 155);--color-primary-wash: oklch(.976 .018 150);--color-primary-strong: oklch(.31 .052 160);--color-info: oklch(.57 .07 225);--color-info-soft: oklch(.955 .032 225);--color-info-strong: oklch(.39 .07 225);--color-success: oklch(.54 .06 145);--color-success-soft: oklch(.955 .03 145);--color-success-strong: oklch(.36 .058 145);--color-warning: oklch(.71 .09 78);--color-warning-soft: oklch(.956 .04 82);--color-warning-strong: oklch(.43 .075 72);--color-danger: oklch(.55 .085 26);--color-danger-soft: oklch(.956 .026 26);--color-danger-strong: oklch(.39 .08 26);--color-coral: oklch(.62 .082 34);--color-coral-soft: oklch(.956 .032 34);--color-paper: oklch(.985 .016 92);--color-paper-strong: oklch(.955 .026 88);--color-sun: oklch(.78 .105 82);--color-sun-soft: oklch(.962 .045 84);--color-sky: oklch(.62 .072 225);--color-sky-soft: oklch(.956 .03 225);--color-rose: oklch(.61 .078 26);--color-rose-soft: oklch(.956 .026 26);--color-leaf: oklch(.52 .058 145);--sidebar-width: clamp(13.5rem, 18vw, 17rem);--metric-min-width: 13rem;--panel-min-width: 19rem;--sidebar-mark-width: 2.2rem;--logo-size: 2.6rem;--control-height: 2.9rem;--control-height-sm: 2.35rem;--chip-height: 1.85rem;--dot-size: .55rem;--blur-soft: 14px;--border-thin: 1px;--border-thick: 2px;--content-max-width: 72rem;--z-header: 20;--z-sticky: 30;--z-overlay: 40;--z-drawer: 50}html{font-size:16px;background:var(--color-bg)}*,*:before,*:after{box-sizing:border-box}body{min-width:320px;margin:0;color:var(--color-ink);font-family:var(--font-body);background:var(--color-bg);font-kerning:normal;text-rendering:optimizeLegibility}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit}img,video{display:block;max-width:100%}#app{min-height:100vh}:focus-visible{outline:var(--border-thick) solid color-mix(in oklab,var(--color-primary) 48%,white 52%);outline-offset:.18rem}::selection{background:color-mix(in oklab,var(--color-primary-soft) 56%,white 44%)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:1ms!important}}