:root{--bg-primary: #0a0f1d;--bg-secondary: #111827;--bg-tertiary: #1e293b;--bg-card: rgba(30, 41, 59, .85);--bg-card-hover: rgba(51, 65, 85, .95);--bg-glass: rgba(15, 23, 42, .85);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--text-accent: #38bdf8;--border-color: rgba(148, 163, 184, .15);--border-focus: #38bdf8;--accent-gold: #f59e0b;--accent-gold-light: #fde68a;--accent-gold-bg: rgba(245, 158, 11, .15);--accent-blue: #38bdf8;--accent-blue-deep: #2563eb;--accent-blue-bg: rgba(56, 189, 248, .15);--accent-emerald: #10b981;--accent-emerald-bg: rgba(16, 185, 129, .15);--accent-purple: #818cf8;--accent-purple-bg: rgba(129, 140, 248, .15);--accent-rose: #f43f5e;--accent-rose-bg: rgba(244, 63, 94, .15);--font-sans: "Outfit", "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-hebrew: "Frank Ruhl Libre", "Noto Serif Hebrew", "Cardo", serif;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px -1px rgba(0, 0, 0, .35);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .5);--shadow-gold: 0 0 20px rgba(245, 158, 11, .25);--shadow-blue: 0 0 20px rgba(56, 189, 248, .25);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--bg-tertiary: #e2e8f0;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-glass: rgba(255, 255, 255, .92);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-accent: #0284c7;--border-color: rgba(15, 23, 42, .14);--border-focus: #0284c7;--accent-gold: #b45309;--accent-gold-light: #78350f;--accent-gold-bg: #fef3c7;--accent-blue: #0284c7;--accent-blue-deep: #1d4ed8;--accent-blue-bg: #e0f2fe;--accent-emerald: #047857;--accent-emerald-bg: #d1fae5;--accent-purple: #4f46e5;--accent-purple-bg: #ede9fe;--accent-rose: #be123c;--accent-rose-bg: #ffe4e6;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .08);--shadow-md: 0 4px 14px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .12);--shadow-gold: 0 0 15px rgba(180, 83, 9, .15);--shadow-blue: 0 0 15px rgba(2, 132, 199, .15)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;width:100%;max-width:100vw;font-size:16px;--hebrew-scale: 1}html[data-font-size=large]{font-size:18px;--hebrew-scale: 1.2}html[data-font-size=xlarge]{font-size:20px;--hebrew-scale: 1.4}body{min-height:100vh;width:100%;max-width:100vw;overflow-x:hidden;background-color:var(--bg-primary);background-image:radial-gradient(circle at 15% 15%,rgba(56,189,248,.05) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(245,158,11,.04) 0%,transparent 45%);background-attachment:fixed}.hebrew{font-family:var(--font-hebrew);direction:rtl;unicode-bidi:isolate;line-height:1.4}.hebrew-large{font-family:var(--font-hebrew);direction:rtl;font-size:2.5rem;font-weight:700;color:var(--accent-gold);text-shadow:0 2px 10px rgba(0,0,0,.1)}@media(min-width:640px){.hebrew-large{font-size:3rem}}.hebrew-hero{font-family:var(--font-hebrew);direction:rtl;font-size:3.5rem;font-weight:900;color:var(--accent-gold);line-height:1.15}@media(min-width:640px){.hebrew-hero{font-size:4.25rem}}.hebrew-word{font-family:var(--font-hebrew);direction:rtl;font-size:1.85rem;font-weight:600;letter-spacing:.02em}@media(min-width:640px){.hebrew-word{font-size:2.25rem}}.app-container{width:100%;max-width:1200px;margin:0 auto;padding:.75rem .75rem 3rem;box-sizing:border-box;overflow-x:hidden}@media(min-width:768px){.app-container{padding:1.5rem 1.25rem 4rem}}.glass-panel{width:100%;max-width:100%;box-sizing:border-box;background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:var(--transition);overflow:hidden}.glass-panel:hover{border-color:#38bdf84d}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-size:.9rem;font-weight:600;padding:.55rem 1.15rem;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;touch-action:manipulation}.btn-primary{background:linear-gradient(135deg,var(--accent-blue-deep),var(--accent-blue));color:#fff;box-shadow:var(--shadow-blue)}.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08)}.btn-gold{background:linear-gradient(135deg,#d97706,var(--accent-gold));color:#fff;font-weight:700;box-shadow:var(--shadow-gold)}[data-theme=light] .btn-gold{background:linear-gradient(135deg,#b45309,#d97706);color:#fff}.btn-gold:hover{transform:translateY(-1px);filter:brightness(1.08)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--border-color)}.btn-outline:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.btn-sm{font-size:.8rem;padding:.35rem .75rem;border-radius:var(--radius-sm)}.btn-lg{font-size:1rem;padding:.75rem 1.5rem;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.25rem .65rem;border-radius:var(--radius-full)}.badge-gold{background:var(--accent-gold-bg);color:var(--accent-gold);border:1px solid rgba(245,158,11,.3)}.badge-blue{background:var(--accent-blue-bg);color:var(--accent-blue);border:1px solid rgba(56,189,248,.3)}.badge-emerald{background:var(--accent-emerald-bg);color:var(--accent-emerald);border:1px solid rgba(16,185,129,.3)}.badge-purple{background:var(--accent-purple-bg);color:var(--accent-purple);border:1px solid rgba(129,140,248,.3)}.card-container{width:100%;max-width:480px;min-height:320px;position:relative;cursor:pointer;-webkit-user-select:none;user-select:none}.flashcard-surface{width:100%;min-height:320px;border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);background:var(--bg-card)}.flashcard-surface.is-back{background:var(--bg-tertiary);border-color:var(--accent-blue)}@keyframes pulseGlow{0%,to{box-shadow:0 0 15px #38bdf833}50%{box-shadow:0 0 25px #38bdf873}}.pulse-glow{animation:pulseGlow 2.5s infinite}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}