@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Instrument+Serif&display=swap";:root{--color-brand: #0f172a;--color-brand-light: #1e3a5f;--color-accent: #0ea5e9;--color-accent-light: #e0f2fe;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-border-hover: #cbd5e1;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-success: #22c55e;--color-success-bg: #f0fdf4;--color-success-border: #86efac;--color-warning: #f59e0b;--color-warning-bg: #fffbeb;--color-danger: #ef4444;--color-danger-bg: #fef2f2;--diff-easy-bg: #e8f5e9;--diff-easy-border: #66bb6a;--diff-easy-text: #2e7d32;--diff-avg-bg: #fff3e0;--diff-avg-border: #ffa726;--diff-avg-text: #e65100;--diff-hard-bg: #ffebee;--diff-hard-border: #ef5350;--diff-hard-text: #c62828;--diff-recovery-bg: #e3f2fd;--diff-recovery-border: #42a5f5;--diff-recovery-text: #1565c0;--font-body: "DM Sans", 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var(--transition),box-shadow var(--transition)}.card:hover{border-color:var(--color-border-hover)}.card-clickable{cursor:pointer}.card-clickable:hover{box-shadow:var(--shadow-md)}.badge{display:inline-flex;align-items:center;padding:3px 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