:root{--fleno-brand-50:#f0f9ff;--fleno-brand-100:#e0f2fe;--fleno-brand-500:#0ea5e9;--fleno-brand-600:#0284c7;--fleno-brand-700:#0369a1;--fleno-brand-900:#0c4a6e;--fleno-ink:#0f172a;--fleno-ink-soft:#1e293b;--fleno-muted:#5c6b7f;--fleno-border:#e2e8f0;--fleno-border-strong:#cbd5e1;--fleno-surface:#fff;--fleno-surface-soft:#f8fafc;--fleno-surface-muted:#f1f5f9;--fleno-surface-scrim:rgba(248,250,252,.94);--fleno-success:#10b981;--fleno-success-soft:#ecfdf5;--fleno-success-ink:#065f46;--fleno-warn:#f59e0b;--fleno-warn-soft:#fffbeb;--fleno-warn-ink:#92400e;--fleno-danger:#dc2626;--fleno-danger-soft:#fef2f2;--fleno-danger-ink:#991b1b;--fleno-info:#2563eb;--fleno-info-soft:#eff6ff;--fleno-info-ink:#1d4ed8;--fleno-accent:#9333ea;--fleno-accent-soft:#faf5ff;--fleno-accent-ink:#6b21a8;--fleno-on-ink:var(--fleno-surface);--fleno-on-info:#fff;--lesson-space-1:0.5rem;--lesson-space-2:0.75rem;--lesson-space-3:1rem;--lesson-space-4:1.5rem;--lesson-space-5:2rem;--lesson-phrase-bg:var(--fleno-surface);--lesson-phrase-border:var(--fleno-brand-100);--lesson-aside-accent:var(--fleno-brand-500);--lesson-aside-edge:var(--fleno-border);--lesson-aside-bg:var(--fleno-surface-muted);--fleno-radius-sm:2px;--fleno-radius:4px;--fleno-radius-lg:6px;--fleno-radius-xl:8px;--fleno-radius-2xl:10px;--fleno-radius-full:9999px;--fleno-shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--fleno-shadow:0 2px 4px 0 rgba(0,0,0,.05);--fleno-shadow-lift:0 4px 6px -1px rgba(0,0,0,.1);--glass-bg:var(--fleno-surface);--glass-border:var(--fleno-border);--shadow-soft:var(--fleno-shadow-sm);--fleno-ease:cubic-bezier(0.16,1,0.3,1);--fleno-duration:0.2s;color-scheme:light}:root[data-theme=dark]{--fleno-brand-50:#082f49;--fleno-brand-100:#0c4a6e;--fleno-brand-500:#38bdf8;--fleno-brand-600:#7dd3fc;--fleno-brand-700:#bae6fd;--fleno-brand-900:#e0f2fe;--fleno-ink:#f8fafc;--fleno-ink-soft:#e2e8f0;--fleno-muted:#94a3b8;--fleno-border:#1e293b;--fleno-border-strong:#334155;--fleno-surface:#0f172a;--fleno-surface-soft:#0b1220;--fleno-surface-muted:#16243c;--fleno-surface-scrim:rgba(11,18,32,.94);--fleno-success:#34d399;--fleno-success-soft:rgba(16,185,129,.14);--fleno-success-ink:#a7f3d0;--fleno-warn:#fbbf24;--fleno-warn-soft:rgba(245,158,11,.14);--fleno-warn-ink:#fde68a;--fleno-danger:#f87171;--fleno-danger-soft:rgba(239,68,68,.14);--fleno-danger-ink:#fecaca;--fleno-info:#60a5fa;--fleno-info-soft:rgba(59,130,246,.14);--fleno-info-ink:#bfdbfe;--fleno-accent:#c084fc;--fleno-accent-soft:rgba(147,51,234,.16);--fleno-accent-ink:#e9d5ff;--fleno-on-ink:var(--fleno-surface);--fleno-on-info:#0f172a;--lesson-phrase-bg:var(--fleno-surface-muted);--lesson-phrase-border:var(--fleno-border-strong);--lesson-aside-accent:var(--fleno-brand-500);--lesson-aside-edge:var(--fleno-border);--lesson-aside-bg:var(--fleno-surface-muted);--fleno-shadow-sm:none;--fleno-shadow:none;--fleno-shadow-lift:none;color-scheme:dark}