:root{--color-charcoal:#111827;--color-cool-gray:#64748b;--color-slate:#94a3b8;--color-light-gray:#e5e7eb;--color-background:#f8fafc;--color-white:#fff;--color-cyan:#22d3ee;--color-cyan-light:#ecfeff;--color-lime:#a3e635;--color-lime-light:#f0fdf4;--color-amber:#f59e0b;--color-error:#ef4444;--color-error-text:#991b1b;--color-error-bg:#fef2f2;--color-error-border:#fca5a5;--color-warning-text:#854d0e;--color-warning-bg:#fff7ed;--color-success:#22c55e;--color-success-text:#166534;--color-success-bg:#f0fdf4;--color-cyan-text:#111827;--font-student:"Nunito", system-ui, sans-serif;--font-teacher:"DM Sans", system-ui, sans-serif;--radius-card:16px;--radius-button:12px;--radius-accordion:12px;--radius-accordion-inner:8px;--radius-chip:999px;--shadow-card:0 2px 8px #00000008;--shadow-card-hover:0 4px 16px #00000014;--shadow-modal:0 4px 24px #0000001f}:focus-visible{outline-offset:2px;outline:2px solid #22d3ee}:focus:not(:focus-visible){outline:none}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-student);color:var(--color-charcoal);background:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100svh}