:root{--bg: #0f0f23;--surface: #1a1a2e;--surface-2: #242442;--surface-3: #2d2d52;--primary: #6366f1;--primary-glow: rgba(99, 102, 241, .3);--primary-light: #818cf8;--gold: #f59e0b;--gold-glow: rgba(245, 158, 11, .3);--xp-green: #22c55e;--xp-green-glow: rgba(34, 197, 94, .3);--streak-orange: #f97316;--streak-glow: rgba(249, 115, 22, .3);--danger: #ef4444;--text: #e2e8f0;--text-muted: #94a3b8;--text-dim: #64748b;--border: #334155;--border-light: #475569;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary-light);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;color:var(--text);font-size:15px;width:100%;outline:none;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-weight:600;font-size:15px;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#5558e6;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-gold{background:linear-gradient(135deg,var(--gold),#d97706);color:#fff}.btn-gold:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--gold-glow)}.btn-ghost{background:var(--surface-2);border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--primary)}.btn-sm{padding:8px 16px;font-size:13px}.btn-block{width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 8px 30px #0000004d}.card-body{padding:16px}.progress-bar{height:8px;background:var(--surface-2);border-radius:4px;overflow:hidden;position:relative}.progress-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width .6s cubic-bezier(.4,0,.2,1)}.progress-fill.glow{box-shadow:0 0 12px var(--primary-glow);animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 8px var(--primary-glow)}50%{box-shadow:0 0 20px var(--primary-glow)}}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-gold{background:var(--gold-glow);color:var(--gold)}.badge-green{background:var(--xp-green-glow);color:var(--xp-green)}.badge-primary{background:var(--primary-glow);color:var(--primary-light)}.level-ring{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;background:var(--surface-2);border:3px solid var(--primary);color:var(--primary-light);position:relative}.level-ring.gold{border-color:var(--gold);color:var(--gold)}.streak-fire{display:inline-flex;align-items:center;gap:4px;font-weight:700;color:var(--streak-orange)}@keyframes count-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:count-up .3s ease-out}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.loading-spinner{display:flex;justify-content:center;padding:40px}.loading-spinner:after{content:"";width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tab-bar{display:flex;gap:4px;padding:4px;background:var(--surface);border-radius:var(--radius);margin-bottom:16px}.tab-bar button{flex:1;padding:8px 12px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text-muted);transition:all .2s}.tab-bar button.active{background:var(--primary);color:#fff}