:root{--shell-chrome-h:3.5rem;--shell-chrome-pad-x:1rem;--shell-chip-h:2rem;--shell-chip-radius:0.625rem;--shell-sky:#0ea5e9;--shell-sky-soft:color-mix(in srgb,var(--shell-sky) 10%,var(--ds-surface,#fff));--shell-sky-border:color-mix(in srgb,var(--shell-sky) 28%,var(--ds-border,#e2e8f0));--shell-teal:#0d9488;--shell-teal-soft:color-mix(in srgb,var(--shell-teal) 10%,var(--ds-surface,#fff));--shell-teal-border:color-mix(in srgb,var(--shell-teal) 28%,var(--ds-border,#e2e8f0))}@media (min-width:1024px){:root{--shell-chrome-pad-x:1.25rem}}.shell-header{border-bottom:1px solid var(--ds-border);background:var(--ds-surface)}.shell-header__row{justify-content:flex-start;min-height:var(--shell-chrome-h);padding-inline:var(--shell-chrome-pad-x);padding-block:0;box-sizing:border-box}.shell-header__row,.shell-header__start{display:flex;align-items:center;gap:.5rem}.shell-header__start{min-width:0;flex:1 1 auto}.shell-header__titles{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:.125rem}.shell-header__title{font-size:.875rem;font-weight:650;line-height:1.25;color:var(--ds-text);letter-spacing:-.01em}.shell-header__subtitle,.shell-header__title{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shell-header__subtitle{font-size:.6875rem;font-weight:500;line-height:1.2;color:var(--ds-text-muted)}.shell-header__end{display:flex;flex-shrink:0;align-items:center;justify-content:flex-end;gap:.4rem;margin-inline-start:auto}.shell-welcome{display:flex;min-width:0;flex-direction:column;justify-content:center;gap:.15rem}.shell-welcome__row{display:flex;min-width:0;align-items:center;gap:.4rem}.shell-badge{display:inline-flex;align-items:center;justify-content:center;height:1.15rem;padding-inline:.4rem;border-radius:999px;border:1px solid transparent;font-size:.625rem;font-weight:700;letter-spacing:.01em;line-height:1;white-space:nowrap}.shell-badge--sky{border-color:var(--shell-sky-border);background:var(--shell-sky-soft);color:#0369a1}.shell-badge--muted{border-color:var(--ds-border);background:var(--ds-background);color:var(--ds-text-muted)}.shell-welcome__name{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.875rem;font-weight:650;line-height:1.25;color:var(--ds-text)}.shell-toolbar{display:none;align-items:center;gap:.375rem}@media (min-width:1024px){.shell-toolbar{display:flex}}.shell-chip{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;height:var(--shell-chip-h);padding-inline:.625rem;border-radius:var(--shell-chip-radius);border:1px solid var(--ds-border);background:var(--ds-background);color:var(--ds-text-muted);font-size:.75rem;font-weight:550;line-height:1;text-decoration:none;white-space:nowrap;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.shell-chip:hover{border-color:color-mix(in srgb,var(--ds-primary) 30%,var(--ds-border));background:color-mix(in srgb,var(--ds-primary) 6%,var(--ds-surface));color:var(--ds-text)}.shell-chip__icon{width:.95rem;height:.95rem;flex-shrink:0;opacity:.9}.shell-chip--sky{border-color:var(--shell-sky-border);background:var(--shell-sky-soft);color:#0369a1}.shell-chip--sky:hover{border-color:color-mix(in srgb,var(--shell-sky) 45%,var(--ds-border));background:color-mix(in srgb,var(--shell-sky) 16%,var(--ds-surface));color:#075985}.shell-chip--teal{border-color:var(--shell-teal-border);background:var(--shell-teal-soft);color:#0f766e}.shell-chip--teal:hover{border-color:color-mix(in srgb,var(--shell-teal) 45%,var(--ds-border));background:color-mix(in srgb,var(--shell-teal) 16%,var(--ds-surface));color:#115e59}.shell-chip--ghost{background:transparent;border-color:transparent;padding-inline:.5rem}.shell-chip--ghost:hover{background:var(--ds-background);border-color:var(--ds-border)}.shell-chip--meta{gap:.5rem;cursor:default;pointer-events:none;color:var(--ds-text-muted);font-variant-numeric:tabular-nums}.shell-chip--meta .shell-chip__sep{width:1px;height:.85rem;background:var(--ds-border);flex-shrink:0}.shell-chip--icon{width:var(--shell-chip-h);padding-inline:0;position:relative}.shell-chip--icon:hover{color:var(--ds-text)}.shell-chip__dot{position:absolute;top:-.2rem;inset-inline-start:-.15rem;justify-content:center;min-width:1rem;height:1rem;padding-inline:.2rem;border-radius:999px;background:#ef4444;color:#fff;font-size:.5625rem;font-weight:700;line-height:1;border:1.5px solid var(--ds-surface)}.shell-chip__dot,.shell-user{display:flex;align-items:center}.shell-user{gap:.5rem;height:var(--shell-chip-h);padding-inline:.35rem .35rem .35rem .5rem;border-radius:var(--shell-chip-radius);border:1px solid var(--ds-border);background:var(--ds-background)}.shell-user__avatar{display:flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;overflow:hidden;border-radius:.4rem;background:var(--ds-primary);color:var(--ds-primary-fg,#fff);flex-shrink:0}.shell-user__avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.shell-user__meta{display:none;min-width:0;flex-direction:column;gap:.05rem;line-height:1.15}@media (min-width:1280px){.shell-user__meta{display:flex}}.shell-user__name{margin:0;max-width:7.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;font-weight:650;color:var(--ds-text)}.shell-user__role{margin:0;font-size:.625rem;font-weight:500;color:var(--ds-text-muted)}.shell-user__logout{display:inline-flex;align-items:center;justify-content:center;width:1.65rem;height:1.65rem;border:none;border-radius:.45rem;background:transparent;color:var(--ds-text-muted);cursor:pointer;transition:background-color .15s ease,color .15s ease}.shell-user__logout:hover{background:#fef2f2;color:#dc2626}.shell-toolbar__rule{width:1px;height:1.25rem;background:var(--ds-border);margin-inline:.125rem;flex-shrink:0}.shell-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:var(--shell-chip-h);height:var(--shell-chip-h);border-radius:var(--shell-chip-radius);border:1px solid var(--ds-border);background:var(--ds-background);color:var(--ds-text-muted);transition:background-color .15s ease,border-color .15s ease,color .15s ease}.shell-icon-btn:hover{border-color:color-mix(in srgb,var(--ds-primary) 30%,var(--ds-border));background:color-mix(in srgb,var(--ds-primary) 6%,var(--ds-surface));color:var(--ds-text)}@media (min-width:1024px){.shell-icon-btn--mobile-only{display:none}}.shell-icon-btn--desktop-only{display:none}@media (min-width:1024px){.shell-icon-btn--desktop-only{display:inline-flex}}.shell-sidebar-brand{display:flex;align-items:center;justify-content:space-between;gap:.5rem;min-height:var(--shell-chrome-h);padding-inline:var(--shell-chrome-pad-x);box-sizing:border-box;border-bottom:1px solid var(--ds-border)}.shell-sidebar-brand--collapsed{flex-direction:column;justify-content:center;gap:.5rem;padding-inline:.5rem;padding-block:.5rem}.shell-sidebar-brand__titles{min-width:0;display:flex;flex-direction:column;gap:.125rem}.shell-sidebar-brand__name{font-size:.875rem;font-weight:650;line-height:1.25;color:var(--ds-text)}.shell-sidebar-brand__label,.shell-sidebar-brand__name{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shell-sidebar-brand__label{font-size:.6875rem;font-weight:500;line-height:1.2;color:var(--ds-text-muted)}.shell-sidebar-footer{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;gap:.5rem;min-height:2.75rem;padding-inline:var(--shell-chrome-pad-x);padding-block:.45rem;border-top:1px solid var(--ds-border);background:var(--ds-surface)}.shell-sidebar-footer--collapsed{flex-direction:column;justify-content:center;padding-inline:.5rem;padding-block:.5rem}.shell-sidebar-footer__user{margin:0;min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;font-weight:650;color:var(--ds-text);line-height:1.2}.shell-sidebar-footer__logout{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;height:1.85rem;padding-inline:.65rem;border-radius:.5rem;border:1px solid color-mix(in srgb,#dc2626 28%,var(--ds-border));background:#fef2f2;color:#b91c1c;font-size:.6875rem;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.shell-sidebar-footer__logout:hover{border-color:color-mix(in srgb,#dc2626 45%,var(--ds-border));background:#fee2e2;color:#991b1b}.shell-sidebar-footer__logout--icon{width:2rem;height:2rem;padding-inline:0}@media (max-width:1023px){.shell-header__end>.help-trigger--header span:first-of-type{display:none}.shell-header__end>.help-trigger--header{width:var(--shell-chip-h);padding-inline:0}}@media (min-width:1024px){.shell-header__end>.help-trigger--header span:first-of-type{max-width:14rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}.student-shell{--student-accent:color-mix(in srgb,var(--ds-primary) 82%,#22d3ee);--student-accent-soft:color-mix(in srgb,var(--ds-primary) 12%,var(--ds-background));--student-glow:color-mix(in srgb,var(--ds-primary) 18%,transparent);--student-nav-bg:color-mix(in srgb,var(--ds-surface-raised) 88%,transparent);--student-card:color-mix(in srgb,var(--ds-surface-raised) 96%,transparent);display:flex;flex-direction:column;height:100dvh;max-height:100dvh;overflow:hidden;background:radial-gradient(1200px 420px at 100% -10%,var(--student-glow),transparent 60%),radial-gradient(900px 360px at 0 100%,color-mix(in srgb,#22d3ee 12%,transparent),transparent 55%),var(--ds-background)}.dark .student-shell,[data-theme=dark] .student-shell{--student-accent-soft:color-mix(in srgb,var(--ds-primary) 18%,var(--ds-background));--student-glow:color-mix(in srgb,var(--ds-primary) 22%,transparent);--student-nav-bg:color-mix(in srgb,var(--ds-surface) 92%,transparent)}.student-shell__frame{display:flex;flex:1;min-height:0;width:100%;height:100%}.student-shell__main{display:flex;min-width:0;min-height:0;flex:1;flex-direction:column;overflow:hidden}.student-shell__header{flex-shrink:0;border-bottom:1px solid color-mix(in srgb,var(--ds-border) 70%,transparent);background:color-mix(in srgb,var(--ds-surface) 92%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.student-shell__header--app .shell-header__row{min-height:3.25rem;padding-inline:.75rem;gap:.35rem}@media (min-width:1024px){.student-shell__header--app .shell-header__row{min-height:var(--shell-chrome-h,3.5rem);padding-inline:var(--shell-chrome-pad-x,1.25rem)}}.student-shell__header-brand{display:flex;min-width:0;align-items:center;gap:.65rem}.student-shell__header-subtitle{display:none}@media (min-width:640px){.student-shell__header-subtitle{display:block}}.student-shell__brand-mark{height:2.15rem;width:2.15rem;background:linear-gradient(145deg,color-mix(in srgb,var(--ds-primary) 90%,#22d3ee),color-mix(in srgb,var(--ds-primary) 70%,#0ea5e9));color:var(--ds-primary-fg);box-shadow:0 6px 16px color-mix(in srgb,var(--ds-primary) 22%,transparent)}.student-shell__brand-mark,.student-shell__burger{display:inline-flex;align-items:center;justify-content:center;border-radius:.85rem}.student-shell__burger{height:2.5rem;width:2.5rem;flex-shrink:0;color:var(--ds-text);transition:background-color var(--ds-motion-fast) var(--ds-ease)}.student-shell__burger:hover{background:color-mix(in srgb,var(--ds-primary) 10%,transparent)}.student-shell__burger-lines{position:relative;display:block;width:1.15rem;height:.85rem}.student-shell__burger-lines>span{position:absolute;inset-inline:0;height:2px;border-radius:999px;background:currentColor;transition:transform .28s cubic-bezier(.22,1,.36,1),opacity .2s ease,top .28s cubic-bezier(.22,1,.36,1)}.student-shell__burger-lines>span:first-child{top:0}.student-shell__burger-lines>span:nth-child(2){top:calc(50% - 1px)}.student-shell__burger-lines>span:nth-child(3){top:calc(100% - 2px)}.student-shell__burger.is-open .student-shell__burger-lines>span:first-child{top:calc(50% - 1px);transform:rotate(45deg)}.student-shell__burger.is-open .student-shell__burger-lines>span:nth-child(2){opacity:0;transform:scaleX(.4)}.student-shell__burger.is-open .student-shell__burger-lines>span:nth-child(3){top:calc(50% - 1px);transform:rotate(-45deg)}.student-shell__header-home{display:inline-flex;height:2.35rem;width:2.35rem;flex-shrink:0;align-items:center;justify-content:center;border-radius:.85rem;border:1px solid color-mix(in srgb,var(--ds-primary) 28%,transparent);background:color-mix(in srgb,var(--ds-primary) 10%,var(--ds-surface));color:var(--ds-primary);box-shadow:0 2px 8px color-mix(in srgb,var(--ds-primary) 10%,transparent);transition:transform var(--ds-motion-fast) var(--ds-ease),background-color var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease)}.student-shell__header-home:hover{transform:translateY(-1px);background:color-mix(in srgb,var(--ds-primary) 16%,var(--ds-surface));border-color:color-mix(in srgb,var(--ds-primary) 45%,transparent)}.student-shell__header-home:active{transform:scale(.96)}.student-shell__header-help{display:inline-flex;height:2.35rem;width:2.35rem;flex-shrink:0;align-items:center;justify-content:center;border-radius:.85rem;border:1px solid color-mix(in srgb,#6366f1 28%,transparent);background:color-mix(in srgb,#6366f1 12%,var(--ds-surface));color:#4f46e5;box-shadow:0 2px 8px color-mix(in srgb,#6366f1 12%,transparent);transition:transform var(--ds-motion-fast) var(--ds-ease),background-color var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease)}.dark .student-shell__header-help,[data-theme=dark] .student-shell__header-help{color:#a5b4fc;border-color:color-mix(in srgb,#818cf8 40%,transparent);background:color-mix(in srgb,#818cf8 14%,var(--ds-surface))}.student-shell__header-help:hover{transform:translateY(-1px);background:color-mix(in srgb,#6366f1 18%,var(--ds-surface));border-color:color-mix(in srgb,#6366f1 45%,transparent)}.student-shell__header-help:active{transform:scale(.96)}.student-help-chat__backdrop{position:fixed;inset:0;z-index:70;background:color-mix(in srgb,#020617 48%,transparent);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:student-shell-fade-in .22s var(--ds-ease) both}.student-help-chat{--student-accent-soft:color-mix(in srgb,var(--ds-primary) 12%,var(--ds-background));position:fixed;inset-inline:0;bottom:0;z-index:80;display:flex;max-height:min(88dvh,42rem);flex-direction:column;border-radius:1.5rem 1.5rem 0 0;border:1px solid color-mix(in srgb,var(--ds-border) 80%,transparent);border-bottom:0;background:color-mix(in srgb,var(--ds-surface-raised) 97%,transparent);box-shadow:0 -18px 48px color-mix(in srgb,var(--ds-text) 14%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);animation:student-shell-sheet-up .32s cubic-bezier(.22,1,.36,1) both}@media (min-width:768px){.student-help-chat{inset-inline:auto;inset-inline-start:1rem;bottom:1rem;width:min(26rem,calc(100vw - 2rem));max-height:min(82dvh,40rem);border-radius:1.35rem;border-bottom:1px solid color-mix(in srgb,var(--ds-border) 80%,transparent)}}.student-help-chat__handle{width:2.75rem;height:.28rem;margin:.65rem auto .2rem;border-radius:999px;background:color-mix(in srgb,var(--ds-text-muted) 45%,transparent)}@media (min-width:768px){.student-help-chat__handle{display:none}}.student-help-chat__header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.35rem 1rem .65rem}.student-help-chat__tabs{display:grid;grid-template-columns:1fr 1fr;gap:.35rem;margin:0 .85rem .55rem;padding:.3rem;border-radius:1rem;border:1px solid color-mix(in srgb,var(--ds-border) 80%,transparent);background:color-mix(in srgb,var(--ds-surface) 90%,transparent)}.student-help-chat__tab{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;min-height:2.35rem;border-radius:.8rem;padding:.4rem .65rem;font-size:.8rem;font-weight:800;color:var(--ds-text-muted);transition:background-color var(--ds-motion-fast) var(--ds-ease),color var(--ds-motion-fast) var(--ds-ease),box-shadow var(--ds-motion-fast) var(--ds-ease)}.student-help-chat__tab.is-active{color:var(--ds-primary);background:color-mix(in srgb,var(--ds-primary) 14%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ds-primary) 22%,transparent)}.student-help-chat__tab-dot{height:.4rem;width:.4rem;border-radius:999px;background:#10b981;box-shadow:0 0 0 3px color-mix(in srgb,#10b981 22%,transparent)}.student-help-chat__body{min-height:0;flex:1;overflow:hidden;padding-bottom:max(.35rem,var(--ds-safe-bottom))}.student-help-chat__panel{height:100%}.student-shell.motion-reduce .student-help-chat,.student-shell.motion-reduce .student-help-chat__backdrop,.student-shell[data-reduced-motion=true] .student-help-chat,.student-shell[data-reduced-motion=true] .student-help-chat__backdrop{animation:none!important}.student-shell__user{display:none}.student-shell__user-avatar{display:flex;height:2.15rem;width:2.15rem;flex-shrink:0;align-items:center;justify-content:center;overflow:hidden;border-radius:.8rem;background:var(--ds-surface);color:var(--ds-text-muted);box-shadow:0 0 0 2px color-mix(in srgb,var(--ds-primary) 18%,transparent)}.student-shell__user-avatar img{height:100%;width:100%;-o-object-fit:cover;object-fit:cover}.student-shell__user-meta{min-width:0;display:none;flex:1;flex-direction:column;line-height:1.2}.student-shell__user-name{font-size:.78rem;font-weight:800;color:var(--ds-text)}.student-shell__user-name,.student-shell__user-role{max-width:7.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-shell__user-role{font-size:.65rem;font-weight:600;color:var(--ds-text-muted)}.student-shell__user-logout{display:none}.student-shell__content{flex:1;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;outline:none}.student-shell__page{width:100%;max-width:none;margin-inline:0;padding:1rem 1rem 1.25rem;animation:student-shell-fade-up var(--ds-motion-normal) var(--ds-ease) both}@media (min-width:768px){.student-shell__page{padding:1.25rem 1.5rem 1.75rem}}@media (min-width:1024px){.student-shell__page{padding:1.5rem 1.75rem 2rem}}.student-shell__dock{--dock-accent:#0ea5e9;--dock-accent-2:#38bdf8;position:fixed;inset-inline:.7rem;bottom:max(.55rem,var(--ds-safe-bottom));z-index:40;display:flex;align-items:stretch;justify-content:space-between;gap:.15rem;padding:.4rem;overflow:visible;border-radius:1.45rem;border:1px solid color-mix(in srgb,var(--ds-border) 65%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--ds-surface-raised) 92%,transparent),color-mix(in srgb,var(--student-nav-bg) 96%,transparent));box-shadow:0 12px 32px color-mix(in srgb,var(--ds-text) 12%,transparent),0 2px 8px color-mix(in srgb,var(--ds-primary) 8%,transparent),0 1px 0 color-mix(in srgb,#fff 40%,transparent) inset;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:opacity .22s var(--ds-ease),transform .28s cubic-bezier(.22,1,.36,1),visibility .22s}.dark .student-shell__dock,[data-theme=dark] .student-shell__dock{box-shadow:0 16px 40px rgba(0,0,0,.4),inset 0 1px 0 color-mix(in srgb,#fff 8%,transparent)}.student-shell__dock-item{position:relative;display:flex;min-width:0;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:.18rem;min-height:3.15rem;border-radius:1.1rem;padding:.35rem .15rem;color:var(--ds-text-muted);transition:color .28s var(--ds-ease),background-color .28s var(--ds-ease),transform .28s cubic-bezier(.22,1,.36,1),box-shadow .28s var(--ds-ease)}.student-shell__dock-item,.student-shell__dock-item[data-tone=sky]{--dock-accent:#0ea5e9;--dock-accent-2:#38bdf8}.student-shell__dock-item[data-tone=mint]{--dock-accent:#10b981;--dock-accent-2:#34d399}.student-shell__dock-item[data-tone=amber]{--dock-accent:#f59e0b;--dock-accent-2:#fbbf24}.student-shell__dock-item[data-tone=teal]{--dock-accent:#14b8a6;--dock-accent-2:#2dd4bf}.student-shell__dock-item[data-tone=coral]{--dock-accent:#f43f5e;--dock-accent-2:#fb7185}.student-shell__dock-item[data-tone=violet]{--dock-accent:#8b5cf6;--dock-accent-2:#a78bfa}.student-shell__dock-item[data-tone=rose]{--dock-accent:#fb7185;--dock-accent-2:#fda4af}.student-shell__dock-item[data-tone=indigo]{--dock-accent:#6366f1;--dock-accent-2:#818cf8}.student-shell__dock-item[data-tone=cyan]{--dock-accent:#06b6d4;--dock-accent-2:#22d3ee}.student-shell__dock-item:active{transform:scale(.96)}.student-shell__dock-item.is-active,.student-shell__dock-item.is-active .student-shell__dock-icon{color:var(--dock-accent);background:transparent;box-shadow:none}.student-shell__dock-item.is-active .student-shell__dock-glyph{filter:drop-shadow(0 2px 6px color-mix(in srgb,var(--dock-accent) 35%,transparent))}.student-shell__dock-label{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.62rem;font-weight:700;line-height:1.1;transition:color .28s var(--ds-ease),transform .28s var(--ds-ease)}.student-shell__dock-icon{position:relative;display:inline-flex;height:1.85rem;width:1.85rem;align-items:center;justify-content:center;border-radius:.75rem;color:inherit;background:transparent;transition:color .3s var(--ds-ease),transform .35s cubic-bezier(.22,1,.36,1)}.student-shell__dock-glyph{position:relative;z-index:1;height:1.2rem;width:1.2rem;transition:transform .35s cubic-bezier(.22,1,.36,1),filter .35s var(--ds-ease),color .3s var(--ds-ease)}@media (hover:hover) and 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48%,transparent);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:student-shell-fade-in .28s var(--ds-ease) both}@media (max-width:1023px){.student-shell:has(.student-sidebar.is-open) .student-shell__frame{position:relative;z-index:80}.student-shell:has(.student-sidebar.is-open) .student-shell__dock,body:has(.home-nav-drawer-layer.is-open) .student-shell__dock{z-index:30;opacity:0;visibility:hidden;pointer-events:none;transform:translate3d(0,120%,0)}}@media (min-width:1024px){.student-sidebar{position:relative;inset:auto;z-index:auto;display:flex;height:100%;width:17.5rem;max-width:none;flex-shrink:0;transform:none;opacity:1;visibility:visible;pointer-events:auto;border-inline-end:0;border-inline-start:1px solid color-mix(in srgb,var(--ds-border) 70%,transparent);box-shadow:-8px 0 24px color-mix(in srgb,var(--ds-text) 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color-mix(in srgb,var(--ss-sky) 28%,transparent)}.student-sidebar__logo img{height:100%;width:100%;-o-object-fit:contain;object-fit:contain;background:var(--ds-surface)}.student-sidebar__site{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.88rem;font-weight:800;color:var(--ds-text)}.student-sidebar__panel{font-size:.7rem;font-weight:700;color:color-mix(in srgb,var(--ss-sky) 70%,var(--ds-text-muted))}.student-sidebar__brand-actions,.student-sidebar__brand-collapsed{display:flex;align-items:center;gap:.25rem}.student-sidebar.is-collapsed .student-sidebar__brand-collapsed{width:100%;justify-content:center}.student-sidebar__icon-btn{display:inline-flex;height:2.1rem;width:2.1rem;align-items:center;justify-content:center;border-radius:.8rem;color:var(--ds-text-muted);transition:background-color var(--ds-motion-fast) var(--ds-ease),color var(--ds-motion-fast) var(--ds-ease)}.student-sidebar__icon-btn:hover{background:color-mix(in srgb,var(--ss-sky) 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1rem}.student-sidebar__footer{flex-shrink:0;display:flex;flex-direction:column;gap:.55rem;padding:.55rem .7rem max(.85rem,var(--ds-safe-bottom));border-top:1px solid color-mix(in srgb,var(--ds-border) 80%,transparent);background:color-mix(in srgb,var(--ds-surface) 92%,transparent)}.student-sidebar__logout{display:inline-flex;width:100%;align-items:center;justify-content:center;gap:.45rem;min-height:2.55rem;border-radius:.95rem;border:1px solid color-mix(in srgb,#f43f5e 32%,transparent);background:color-mix(in srgb,#f43f5e 10%,transparent);padding:.55rem .75rem;font-size:.82rem;font-weight:800;color:#be123c;transition:background-color var(--ds-motion-fast) var(--ds-ease),transform var(--ds-motion-fast) var(--ds-ease)}.student-sidebar__logout:hover{background:color-mix(in srgb,#f43f5e 16%,transparent)}.student-sidebar__logout:active{transform:scale(.98)}.student-sidebar__logout.is-collapsed{padding:.55rem}.dark .student-sidebar__logout,[data-theme=dark] .student-sidebar__logout{color:#fda4af;border-color:color-mix(in srgb,#fb7185 40%,transparent);background:color-mix(in srgb,#fb7185 12%,transparent)}.student-sidebar-wait{border-radius:1rem;border:1.5px solid color-mix(in srgb,#f59e0b 35%,transparent);background:radial-gradient(120% 100% at 100% 0,color-mix(in srgb,#fbbf24 28%,transparent),transparent 60%),color-mix(in srgb,#fff7ed 70%,var(--ds-surface));padding:.7rem .75rem;animation:scj-card-breathe 2.6s ease-in-out infinite}.student-sidebar-wait.is-urgent{border-color:color-mix(in srgb,#f43f5e 45%,transparent);background:radial-gradient(120% 100% at 100% 0,color-mix(in srgb,#fb7185 26%,transparent),transparent 60%),color-mix(in srgb,#fff1f2 65%,var(--ds-surface))}.student-sidebar-wait.is-approved{border-color:color-mix(in srgb,#10b981 40%,transparent);background:radial-gradient(120% 100% at 100% 0,color-mix(in srgb,#34d399 28%,transparent),transparent 60%),color-mix(in srgb,#ecfdf5 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.student-page__btn{min-width:7.5rem}.student-sidebar__list{display:flex;flex-direction:column;gap:.4rem}.student-sidebar__link{position:relative;display:flex;align-items:center;gap:.7rem;border-radius:1rem;border:1.5px solid transparent;padding:.65rem .7rem;color:var(--ds-text);transition:transform var(--ds-motion-fast) var(--ds-ease),background-color var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease),box-shadow var(--ds-motion-fast) var(--ds-ease)}.student-sidebar.is-collapsed .student-sidebar__link{justify-content:center;padding:.7rem .4rem}.student-sidebar__link:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--link-accent,var(--ss-sky)) 35%,transparent);background:color-mix(in srgb,var(--link-accent,var(--ss-sky)) 10%,transparent);box-shadow:0 8px 18px color-mix(in srgb,var(--link-accent,var(--ss-sky)) 12%,transparent)}.student-sidebar__link:active{transform:scale(.98)}.student-sidebar__link.is-active{border-color:color-mix(in 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(min-width:1024px){.student-shell__with-dock{padding-bottom:calc(6.75rem + var(--ds-safe-bottom))}.student-site-dock-spacer{height:calc(6.75rem + var(--ds-safe-bottom))}.student-shell__dock{inset-inline:max(1.25rem,calc(50% - 34rem));bottom:max(1rem,var(--ds-safe-bottom));gap:.35rem;padding:.55rem .65rem;border-radius:1.75rem;border-color:color-mix(in srgb,var(--ds-border) 55%,transparent);box-shadow:0 18px 48px color-mix(in srgb,var(--ds-text) 12%,transparent),0 4px 14px color-mix(in srgb,var(--ds-primary) 10%,transparent),0 1px 0 color-mix(in srgb,#fff 45%,transparent) inset}.student-shell__dock-item{flex:1 1 0;min-width:4.4rem;max-width:6.5rem;gap:.35rem;min-height:4.35rem;border-radius:1.25rem;padding:.5rem .4rem .45rem}.student-shell__dock-item[data-dock-tier=extra]{display:flex}.student-shell__dock-icon{height:2.55rem;width:2.55rem;border-radius:1rem}.student-shell__dock-glyph{height:1.4rem;width:1.4rem}.student-shell__dock-label{font-size:.72rem;font-weight:800;letter-spacing:-.01em}.student-shell__dock-dot{top:.4rem;inset-inline-end:calc(50% - 1.15rem);height:.4rem;width:.4rem}.student-shell__dock-badge{top:-.2rem;inset-inline-end:-.2rem;min-width:1.2rem;height:1.2rem;font-size:.65rem;padding:0 .32rem}}@media (min-width:1280px){.student-shell__dock{inset-inline:max(1.5rem,calc(50% - 38rem));padding:.6rem .75rem}.student-shell__dock-item{min-width:4.75rem;max-width:7rem;min-height:4.55rem}.student-shell__dock-icon{height:2.75rem;width:2.75rem}.student-shell__dock-glyph{height:1.5rem;width:1.5rem}.student-shell__dock-label{font-size:.78rem}}@media (prefers-reduced-motion:reduce){.student-shell__dock-badge,.student-shell__dock-glyph,.student-shell__dock-icon,.student-shell__dock-item,.student-shell__dock-label,.student-shell__dock-tip{transition:none!important;animation:none!important}.student-shell__dock-item:hover{transform:none}.student-shell__dock-item:hover .student-shell__dock-icon{animation:none!important;transform:none}.student-shell__dock-item:hover .student-shell__dock-glyph{transform:none}.student-shell__dock-item.has-tip:focus-visible .student-shell__dock-tip,.student-shell__dock-item.has-tip:hover .student-shell__dock-tip{transform:translate3d(-50%,0,0)}}@keyframes student-shell-fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes student-shell-fade-in{0%{opacity:0}to{opacity:1}}@keyframes student-shell-sheet-up{0%{opacity:.75;transform:translateY(1.5rem)}to{opacity:1;transform:translateY(0)}}.student-dash{--dash-sky:#0ea5e9;--dash-amber:#f59e0b;--dash-mint:#10b981;--dash-coral:#f43f5e;--dash-violet:#8b5cf6;--dash-teal:#14b8a6}.dark .student-dash,[data-theme=dark] .student-dash{--dash-sky:#38bdf8;--dash-amber:#fbbf24;--dash-mint:#34d399;--dash-coral:#fb7185;--dash-violet:#a78bfa;--dash-teal:#2dd4bf}.student-dash__notice{border-radius:1rem;border:1px solid color-mix(in srgb,#f59e0b 35%,transparent);background:color-mix(in srgb,#f59e0b 12%,transparent);padding:.75rem 1rem;font-size:.875rem;color:var(--ds-text)}.student-dash__hello{display:flex;align-items:center;gap:.9rem;border-radius:1.4rem;border:1px solid color-mix(in srgb,var(--ds-border) 75%,transparent);background:linear-gradient(135deg,color-mix(in srgb,var(--dash-sky) 14%,var(--ds-surface)),color-mix(in srgb,var(--dash-mint) 8%,var(--ds-surface-raised)));padding:1rem 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img{height:100%;width:100%;-o-object-fit:cover;object-fit:cover}.student-dash__date{font-size:.75rem;font-weight:600;color:var(--ds-text-muted)}.student-dash__title{margin-top:.1rem;font-size:1.35rem;font-weight:800;letter-spacing:-.02em;color:var(--ds-text);line-height:1.25}.student-dash__meta{margin-top:.2rem;font-size:.875rem;color:var(--ds-text-muted)}.student-dash__section-title{margin-bottom:.7rem;font-size:.95rem;font-weight:800;color:var(--ds-text)}.student-dash__alert{display:flex;align-items:center;gap:.75rem;border-radius:1.15rem;border:1px solid transparent;padding:.9rem 1rem;transition:transform var(--ds-motion-fast) var(--ds-ease),box-shadow var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease),filter var(--ds-motion-fast) var(--ds-ease)}.student-dash__alert:hover{transform:translateY(-2px);filter:brightness(1.03);box-shadow:0 10px 24px color-mix(in srgb,var(--ds-text) 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srgb,var(--dash-mint) 25%,transparent);animation:student-dash-pulse 1.6s ease-in-out infinite}.student-dash__alert-kicker{display:block;font-size:.7rem;font-weight:700;opacity:.75}.student-dash__alert-title{display:block;margin-top:.1rem;font-size:.95rem;font-weight:800;color:var(--ds-text)}.student-dash__alert-cta{display:inline-flex;align-items:center;gap:.25rem;flex-shrink:0;border-radius:999px;background:color-mix(in srgb,var(--ds-surface) 90%,transparent);padding:.4rem .75rem;font-size:.8rem;font-weight:800;color:var(--ds-text)}.student-dash__tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}@media (min-width:768px){.student-dash__tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem}}.student-dash__tile{position:relative;display:flex;min-height:6.5rem;flex-direction:column;align-items:flex-start;gap:.65rem;border-radius:1.25rem;border:1.5px solid color-mix(in srgb,var(--ds-border) 80%,transparent);background:var(--ds-surface-raised);padding:1rem .95rem;transition:transform var(--ds-motion-fast) var(--ds-ease),box-shadow var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease),background-color var(--ds-motion-fast) var(--ds-ease)}.student-dash__tile:hover{transform:translateY(-3px);box-shadow:0 14px 28px color-mix(in srgb,var(--tile-accent,var(--ds-primary)) 18%,transparent);border-color:color-mix(in srgb,var(--tile-accent,var(--ds-primary)) 45%,transparent);background:color-mix(in srgb,var(--tile-accent,var(--ds-primary)) 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var(--ds-ease)}.student-dash__more:hover{background:color-mix(in srgb,var(--dash-sky) 12%,transparent)}.student-dash__row{display:flex;align-items:center;gap:.75rem;border-radius:1rem;border:1px solid transparent;background:color-mix(in srgb,var(--ds-surface) 90%,transparent);padding:.75rem .8rem;transition:background-color var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease),transform var(--ds-motion-fast) var(--ds-ease)}.student-dash__row:hover{border-color:color-mix(in srgb,var(--dash-sky) 35%,transparent);background:color-mix(in srgb,var(--dash-sky) 10%,var(--ds-surface));transform:translateX(-2px)}.student-dash__row-icon{display:inline-flex;height:2.4rem;width:2.4rem;flex-shrink:0;align-items:center;justify-content:center;border-radius:.85rem}.student-dash__row-icon--sky{background:color-mix(in srgb,var(--dash-sky) 15%,transparent);color:var(--dash-sky)}.student-dash__row-title{display:block;font-size:.9rem;font-weight:700;color:var(--ds-text)}.student-dash__row-meta{display:block;margin-top:.1rem;font-size:.72rem;color:var(--ds-text-muted)}.student-dash__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}.student-dash__stat{display:flex;align-items:center;gap:.55rem;border-radius:1.1rem;border:1.5px solid color-mix(in srgb,var(--ds-border) 80%,transparent);background:var(--ds-surface-raised);padding:.8rem .75rem;color:var(--ds-text);transition:transform var(--ds-motion-fast) var(--ds-ease),border-color var(--ds-motion-fast) var(--ds-ease),background-color var(--ds-motion-fast) var(--ds-ease),box-shadow var(--ds-motion-fast) var(--ds-ease)}.student-dash__stat:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--dash-teal) 40%,transparent);background:color-mix(in srgb,var(--dash-teal) 8%,var(--ds-surface-raised));box-shadow:0 10px 20px color-mix(in 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24%,transparent)}.student-page__btn--amber{background:color-mix(in srgb,#f59e0b 92%,#d97706);color:#fff;box-shadow:0 8px 18px color-mix(in srgb,#f59e0b 28%,transparent)}.student-page__btn--rose{background:color-mix(in srgb,#f43f5e 92%,#e11d48);color:#fff}.student-page__btn:disabled{cursor:not-allowed;opacity:.7;transform:none;filter:none}.student-class-join__hint{margin-top:.35rem;font-size:.72rem;font-weight:700;color:#be123c;text-align:center}.dark .student-class-join__hint,[data-theme=dark] .student-class-join__hint{color:#fda4af}.student-page__empty{border-radius:1.25rem;border:1.5px dashed color-mix(in srgb,var(--ds-border) 90%,transparent);background:color-mix(in srgb,var(--ds-surface) 88%,transparent);padding:2rem 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scj-orb{0%,to{transform:scale(.92);opacity:.55}50%{transform:scale(1.08);opacity:1}}@keyframes scj-icon-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes scj-icon-zoom{0%,to{transform:scale(1)}50%{transform:scale(1.18)}}@keyframes scj-tick-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@keyframes scj-btn-shimmer{0%{background-position:0 50%}to{background-position:200% 50%}}@keyframes scj-btn-glow{0%,to{filter:brightness(1);box-shadow:0 8px 18px color-mix(in srgb,#f59e0b 24%,transparent)}50%{filter:brightness(1.08);box-shadow:0 10px 24px color-mix(in srgb,#f59e0b 40%,transparent)}}@media (prefers-reduced-motion:reduce){.scj-btn-label,.scj-countdown,.scj-line,.scj-orb,.scj-panel,.scj-stage-icon,.scj-title,.student-class-card--busy,.student-class-join--checking .student-page__btn,.student-class-join--joining .student-page__btn,.student-class-join--pending .student-page__btn{animation:none!important}}