:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--text: #f1f5f9;--muted: #94a3b8;--primary: #38bdf8;--primary-dim: #0ea5e9;--success: #4ade80;--warn: #fbbf24;--danger: #f87171;--correct: #22c55e;--present: #eab308;--absent: #64748b;--accent: #a78bfa;--radius: 14px;--tap: 48px;--nav-h: 52px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;touch-action:manipulation}body{margin:0;min-height:100dvh;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.45;-webkit-font-smoothing:antialiased;direction:rtl}#root{min-height:100dvh;display:flex;flex-direction:column}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;height:var(--nav-h);padding:0 16px;background:var(--surface);border-bottom:1px solid var(--surface2);gap:12px;flex-shrink:0}.navbar-title{font-weight:700;font-size:1rem;color:var(--text);margin:0;flex:1}.navbar .btn-nav{min-height:36px;padding:0 12px;border-radius:10px;border:1px solid var(--surface2);background:transparent;color:var(--muted);font:inherit;font-size:.85rem;font-weight:600;cursor:pointer;touch-action:manipulation}.navbar .btn-nav:active{background:var(--surface2)}.page-wrap{flex:1;display:flex;flex-direction:column;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.app,.session{min-height:calc(100dvh - var(--nav-h) - 24px);max-width:480px;margin:0 auto;width:100%}.column{display:flex;flex-direction:column}.row{display:flex;flex-direction:row}.gap{gap:12px}.flex1{flex:1}.grow{flex:1;min-height:0}.flex-center{display:flex;flex-direction:column;align-items:center;justify-content:center}.app-head,.session-head{padding-bottom:12px}.title{font-size:1.35rem;font-weight:700;margin:0 0 4px}.subtitle{margin:0;color:var(--muted);font-size:.95rem}.main-pad{padding-top:8px}.progress{margin:0 0 4px;font-size:.85rem;color:var(--muted);direction:ltr;text-align:right}.group-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.group-card{width:100%;min-height:var(--tap);padding:16px 18px;border-radius:var(--radius);border:1px solid var(--surface2);background:var(--surface);color:var(--text);text-align:start;display:flex;flex-direction:column;align-items:flex-start;gap:6px;font:inherit;cursor:pointer;touch-action:manipulation;transition:border-color .15s}.group-card:active{border-color:var(--primary);transform:scale(.99)}.group-title{font-weight:600;font-size:1.05rem}.group-meta{font-size:.88rem;color:var(--muted)}.group-scores{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.score-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:.78rem;font-weight:600}.score-badge__label{opacity:.85}.score-badge__value{font-weight:700}.score-badge--great{background:#4ade8026;color:var(--success);border:1px solid rgba(74,222,128,.3)}.score-badge--ok{background:#fbbf241f;color:var(--warn);border:1px solid rgba(251,191,36,.3)}.score-badge--weak{background:#f871711f;color:var(--danger);border:1px solid rgba(248,113,113,.3)}.btn{min-height:var(--tap);padding:0 18px;border-radius:var(--radius);border:none;font:inherit;font-weight:600;cursor:pointer;touch-action:manipulation;transition:background .12s,transform .1s}.btn:active{transform:scale(.97)}.btn.primary{background:var(--primary);color:#0f172a}.btn.primary:active{background:var(--primary-dim)}.btn.secondary{background:var(--surface2);color:var(--text)}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--surface2)}.btn.success{background:#4ade8033;color:var(--success);border:1px solid var(--success)}.btn.warn{background:#fbbf2426;color:var(--warn);border:1px solid var(--warn)}.btn.huge{min-height:56px;font-size:1.05rem}.btn.mode-btn{background:var(--surface);color:var(--text);border:2px solid var(--surface2)}.btn.mode-btn:active{border-color:var(--primary);background:var(--surface2)}.sticky-footer{position:sticky;bottom:0;padding-top:12px;padding-bottom:max(8px,env(safe-area-inset-bottom));margin-top:auto;background:linear-gradient(transparent,var(--bg) 30%)}.fc-card{width:100%;max-width:340px;height:220px;perspective:1000px;cursor:pointer;touch-action:manipulation;outline:none}.fc-card__inner{position:relative;width:100%;height:100%;transition:transform .5s ease;transform-style:preserve-3d;border-radius:var(--radius)}.fc-card--flipped .fc-card__inner{transform:rotateY(180deg)}.fc-card__face{position:absolute;top:0;left:0;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px}.fc-card__front{background:var(--surface);border:2px solid var(--surface2)}.fc-card__back{background:linear-gradient(160deg,#1e3a5f,#1a2f45);border:2px solid var(--primary-dim);transform:rotateY(180deg)}.fc-card__label{margin:0 0 10px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.fc-card__word{margin:0;font-size:clamp(1.6rem,7vw,2.6rem);font-weight:700;text-align:center;color:var(--text);direction:ltr;line-height:1.3}.fc-card__word--he{direction:rtl;font-size:clamp(1.4rem,6vw,2.2rem)}.hint{margin:16px 16px 0;text-align:center;font-size:.88rem;color:var(--muted)}.tap-hint{max-width:280px}.rating-footer{gap:12px}.rating-footer .btn{flex:1;min-height:52px;font-size:1rem}.card.summary-card{background:var(--surface);border-radius:var(--radius);padding:20px;border:1px solid var(--surface2);margin-top:8px}.score-line{font-size:1.1rem;margin:0 0 12px}.weak-title{margin:0 0 8px;font-size:.95rem;color:var(--warn)}.weak-list{margin:0;padding-inline-start:1.2rem;color:var(--text);direction:ltr;text-align:left}.success-msg{margin:0;color:var(--success)}.play-btn{width:100%;max-width:320px}.spelling-top{display:flex;flex-direction:column;align-items:center;overflow-y:auto}.letter-grid{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:16px;max-width:100%;direction:ltr}.slot.letter{width:36px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-weight:700;font-size:1.1rem;background:var(--surface2);border:2px solid #475569;color:var(--text);transition:border-color .15s,background .15s}.slot.space-gap{width:10px;flex-shrink:0}.slot.fb-correct{background:#22c55e40;border-color:var(--correct)}.slot.fb-present{background:#eab30840;border-color:var(--present)}.slot.fb-absent{background:#64748b59;border-color:var(--absent)}.feedback-hint{max-width:340px}.skip-btn{margin-top:16px}.spelling-footer{flex-shrink:0}.spelling-root{padding-bottom:4px}.osk{width:100%;padding-top:4px;direction:ltr}.osk-row{display:flex;justify-content:center;gap:4px;margin-bottom:6px}.osk-row-wide{gap:8px}.osk-key{min-width:32px;height:42px;padding:0 6px;border-radius:8px;border:1px solid var(--surface2);background:var(--surface);color:var(--text);font-weight:600;font-size:.9rem;cursor:pointer;touch-action:manipulation;transition:background .1s}.osk-key:active:not(:disabled){background:var(--surface2)}.osk-key:disabled{opacity:.45;cursor:not-allowed}.osk-wide{min-width:72px}.osk-enter{flex:1;max-width:200px;background:var(--accent);color:#0f172a;border-color:var(--accent);font-weight:700;font-size:.95rem}.osk-enter:active:not(:disabled){background:#8b5cf6}.osk-enter:disabled{background:var(--surface2);color:var(--muted);border-color:var(--surface2);opacity:.6}