:root{color-scheme:light;--font-display:"Aptos Display","Segoe UI Variable Display","Segoe UI","Noto Sans TC",ui-sans-serif,system-ui,sans-serif;--font-body:"Noto Sans TC","Segoe UI Variable Text","Segoe UI",Inter,ui-sans-serif,system-ui,sans-serif;--type-public-display:clamp(2.75rem,4.5vw,4rem);--type-public-section:clamp(1.8rem,2.6vw,2.5rem);--type-workspace-title:clamp(1.7rem,1.8vw,2.1rem);--type-workspace-section:clamp(1.3rem,1.6vw,1.65rem);--type-admin-title:clamp(1.8rem,2.4vw,2.25rem);--type-admin-section:clamp(1.2rem,1.6vw,1.55rem);--type-learner-title:clamp(1.7rem,1.9vw,2.05rem);--type-learner-section:clamp(1.2rem,1.5vw,1.5rem);--type-assessment-title:clamp(1.7rem,2.5vw,2.2rem);--type-body:1rem;--type-label:.75rem;--type-meta:.8125rem;--radius-control:6px;--radius-surface:8px;--radius-pill:999px;--focus-ring:3px solid var(--brand);--canvas:#f3f7f7;--surface:#fff;--surface-subtle:#e9f1f1;--surface-muted:#f8fbfb;--ink:#18262d;--ink-rgb:24,38,45;--muted:#566771;--line:#cedadd;--line-strong:rgba(24,38,45,.3);--brand:#087e8b;--brand-strong:#075f69;--primary-soft:#ddf1f1;--accent:#d9524a;--accent-strong:#a13c36;--accent-soft:#fff0ef;--warning:#a65a0a;--warning-strong:#8a4a00;--warning-soft:#fff9e8;--success:#18794e;--success-strong:#166534;--success-soft:#eef8f2;--danger:#b42318;--danger-strong:#8f1b12;--danger-soft:#fff1f0;--assessment-rail:#0d2134;--assessment-rail-text:#d4dee7;--assessment-rail-muted:#a9b8c7;--assessment-rail-line:#577084;--surface-wash:hsla(0,0%,100%,.24);--surface-glass:hsla(0,0%,100%,.72);--surface-overlay:hsla(0,0%,100%,.92);--surface-overlay-strong:hsla(0,0%,100%,.96);--shadow-hover:0 6px 16px rgba(var(--ink-rgb),.08);--shadow-active:0 2px 8px rgba(var(--ink-rgb),.08);--shadow-action:0 8px 18px rgba(var(--ink-rgb),.12);--shadow-card:0 12px 26px rgba(var(--ink-rgb),.1);--shadow-portal:0 16px 34px rgba(var(--ink-rgb),.12);--shadow-float:0 18px 48px rgba(var(--ink-rgb),.12);--shadow-modal:0 1rem 3rem rgba(var(--ink-rgb),.24);--shadow-bottom:0 -8px 20px rgba(var(--ink-rgb),.06);--scrim:rgba(var(--ink-rgb),.62);--scrim-strong:rgba(var(--ink-rgb),.92);--panel:var(--surface);--soft:var(--surface-subtle);--hairline:var(--line);--hairline-strong:var(--line-strong)}