*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #7c3aed;--primary-light: #a78bfa;--primary-dark: #5b21b6;--pink: #ec4899;--pink-light: #f9a8d4;--yellow: #f59e0b;--yellow-light: #fde68a;--green: #10b981;--green-light: #6ee7b7;--blue: #3b82f6;--red: #ef4444;--bg: #fdf4ff;--card-bg: #ffffff;--text: #1e1b4b;--text-light: #6b7280;--text-muted: #9ca3af;--shadow: 0 4px 20px rgba(124, 58, 237, .1);--shadow-lg: 0 8px 30px rgba(124, 58, 237, .15);--radius: 16px;--radius-sm: 10px;--radius-lg: 24px;--font: "Segoe UI", system-ui, -apple-system, sans-serif;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}html,body{height:100%;width:100%;overflow:hidden;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}#root{height:100%;width:100%}.app-container{height:100%;width:100%;max-width:500px;margin:0 auto;position:relative;overflow:hidden}.loading{display:flex;align-items:center;justify-content:center;height:100%;font-size:1.5rem;color:var(--primary)}.screen{height:100%;width:100%;display:flex;flex-direction:column;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.screen-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(124,58,237,.1);position:sticky;top:0;z-index:10}.screen-header h2{font-size:1.1rem;font-weight:700}.header-spacer{width:60px}.btn{border:none;cursor:pointer;font-family:var(--font);font-weight:600;border-radius:var(--radius);transition:transform .15s,box-shadow .15s,opacity .15s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:scale(.96)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--pink));color:#fff;padding:12px 28px;font-size:1rem;box-shadow:0 4px 15px #7c3aed4d}.btn-secondary{background:#fff;color:var(--primary);padding:10px 24px;font-size:.95rem;border:2px solid var(--primary-light)}.btn-ghost{background:transparent;color:var(--text-light);padding:10px 24px;font-size:.95rem}.btn-success{background:var(--green);color:#fff;padding:8px 16px;font-size:.85rem}.btn-lg{padding:16px 36px;font-size:1.15rem;border-radius:var(--radius-lg)}.btn-sm{padding:8px 16px;font-size:.85rem;border-radius:var(--radius-sm)}.btn-back{background:#7c3aed1a;border:none;color:var(--primary);padding:8px 14px;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:12px 24px;border-radius:var(--radius-lg);font-size:.95rem;font-weight:600;box-shadow:var(--shadow-lg);z-index:100;animation:toastIn .3s ease-out,toastOut .3s ease-in 2.2s forwards;white-space:nowrap}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(20px)}}.welcome-screen{background:linear-gradient(135deg,#fdf2f8,#ede9fe,#dbeafe);align-items:center;justify-content:center;text-align:center;padding:24px}.welcome-content{display:flex;flex-direction:column;align-items:center;gap:20px;max-width:400px}.welcome-stars{font-size:2.5rem;animation:float 3s ease-in-out infinite}.welcome-title{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-subtitle{color:var(--text-light);font-size:1.1rem}.welcome-characters{font-size:2rem;letter-spacing:8px;animation:float 4s ease-in-out infinite reverse}.welcome-emoji{font-size:4rem;animation:float 2s ease-in-out infinite}.name-input{width:100%;max-width:300px;padding:16px 20px;border:3px solid var(--primary-light);border-radius:var(--radius-lg);font-size:1.2rem;font-family:var(--font);text-align:center;outline:none;transition:border-color .2s;background:#fff}.name-input:focus{border-color:var(--primary)}.avatar-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.avatar-option{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;border:3px solid transparent;border-radius:var(--radius);background:#fff;cursor:pointer;transition:all .2s}.avatar-option.selected{border-color:var(--primary);background:#f5f3ff;box-shadow:0 0 0 4px #7c3aed26}.avatar-emoji{font-size:2.5rem}.avatar-label{font-size:.75rem;color:var(--text-light)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.home-screen{background:linear-gradient(180deg,#fdf2f8,var(--bg))}.home-top-bar{display:flex;align-items:center;justify-content:space-between;padding:16px}.player-info{display:flex;align-items:center;gap:10px;cursor:pointer}.player-avatar{font-size:2.2rem}.player-details{display:flex;flex-direction:column}.player-name{font-weight:700;font-size:1rem}.player-level{font-size:.8rem;color:var(--primary);font-weight:600}.player-stats-bar{display:flex;gap:8px}.stat-badge{padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:700;background:#fff;box-shadow:var(--shadow)}.coin-badge{color:var(--yellow)}.streak-badge{color:var(--red)}.xp-bar-container{padding:0 16px 8px}.xp-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.xp-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--pink));border-radius:4px;transition:width .5s ease}.xp-text{font-size:.7rem;color:var(--text-muted);margin-top:2px;display:block}.home-content{flex:1;display:flex;flex-direction:column;align-items:center;padding:16px;gap:16px}.home-greeting{font-size:1.6rem;font-weight:800;text-align:center}.home-subtitle{color:var(--text-light);text-align:center;margin-top:-8px}.btn-play{width:100%;max-width:320px;padding:24px;background:linear-gradient(135deg,var(--primary),#9333ea,var(--pink));color:#fff;border:none;border-radius:var(--radius-lg);font-size:1.5rem;font-weight:800;font-family:var(--font);cursor:pointer;box-shadow:0 8px 25px #7c3aed59;display:flex;align-items:center;justify-content:center;gap:12px;transition:transform .15s,box-shadow .15s;animation:playPulse 2s ease-in-out infinite}.btn-play:active{transform:scale(.96)}@keyframes playPulse{0%,to{box-shadow:0 8px 25px #7c3aed59}50%{box-shadow:0 8px 35px #7c3aed80}}.btn-play-icon{font-size:2rem}.home-menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;max-width:320px}.menu-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 12px;background:#fff;border:none;border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;font-family:var(--font);transition:transform .15s,box-shadow .15s}.menu-card:active{transform:scale(.96)}.menu-icon{font-size:1.8rem}.menu-label{font-size:.85rem;font-weight:700;color:var(--text)}.parent-access-btn{background:transparent;border:none;color:var(--text-muted);padding:16px;font-size:.85rem;font-family:var(--font);cursor:pointer;text-align:center}.world-map-screen{background:linear-gradient(180deg,#ede9fe,var(--bg))}.worlds-list{padding:16px;display:flex;flex-direction:column;gap:12px}.world-card{display:flex;align-items:center;gap:12px;padding:16px;border:none;border-radius:var(--radius);cursor:pointer;font-family:var(--font);text-align:left;transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow);width:100%}.world-card.unlocked:active{transform:scale(.98)}.world-card.locked{opacity:.6;cursor:not-allowed;filter:grayscale(.5)}.world-card-icon{font-size:2.2rem;min-width:48px;text-align:center}.world-card-info{flex:1;min-width:0}.world-card-name{font-size:1rem;font-weight:700;margin-bottom:2px}.world-card-desc{font-size:.8rem;color:var(--text-light)}.world-card-progress{margin-top:6px}.progress-dots{display:flex;gap:3px;font-size:.65rem}.progress-dot{opacity:.4}.progress-dot.completed{opacity:1}.progress-text{font-size:.7rem;color:var(--text-light);font-weight:600}.world-card-creature{font-size:1.5rem}.game-screen{align-items:center}.game-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 16px}.game-header-info{display:flex;flex-direction:column;align-items:center}.game-world-name{font-weight:700;font-size:.95rem}.game-level-num{font-size:.8rem;color:var(--text-light)}.game-streak{min-width:50px;text-align:right}.streak-fire{font-weight:700;color:var(--red);animation:streakPop .3s ease}@keyframes streakPop{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}.game-progress{width:100%;padding:0 16px 8px;display:flex;align-items:center;gap:8px}.game-progress-bar{flex:1;height:8px;background:#ffffff80;border-radius:4px;overflow:hidden}.game-progress-fill{height:100%;border-radius:4px;transition:width .4s ease}.game-progress-text{font-size:.8rem;font-weight:600;color:var(--text-light)}.problem-card{background:#fff;border-radius:var(--radius-lg);padding:32px 40px;margin:16px;text-align:center;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:8px}.problem-question{font-size:2.8rem;font-weight:800;letter-spacing:4px;color:var(--text)}.question-mark{color:var(--pink);animation:float 1s ease-in-out infinite}.problem-equals{font-size:1.5rem;color:var(--text-muted);font-weight:600}.slide-in{animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.correct-bounce{animation:correctBounce .5s ease}@keyframes correctBounce{0%{transform:scale(1)}30%{transform:scale(1.05)}60%{transform:scale(.98)}to{transform:scale(1)}}.wrong-shake{animation:wrongShake .4s ease}@keyframes wrongShake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}.choices-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 24px;width:100%;max-width:350px}.choice-btn{padding:20px;border:3px solid #e5e7eb;border-radius:var(--radius);background:#fff;font-size:1.8rem;font-weight:800;font-family:var(--font);cursor:pointer;transition:all .15s;color:var(--text)}.choice-btn:active:not(:disabled){transform:scale(.95)}.choice-btn.correct{background:#d1fae5;border-color:var(--green);color:#065f46;animation:correctBounce .4s ease}.choice-btn.wrong{background:#fee2e2;border-color:var(--red);color:#991b1b;animation:wrongShake .4s ease}.hint-btn{margin-top:16px;padding:10px 20px;background:#fffc;border:2px dashed var(--primary-light);border-radius:var(--radius-lg);color:var(--primary);font-family:var(--font);font-weight:600;font-size:.9rem;cursor:pointer}.hint-bubble{margin:12px 24px;padding:16px;background:#fffbeb;border:2px solid var(--yellow-light);border-radius:var(--radius);text-align:center;animation:slideIn .3s ease-out}.hint-buddy{font-size:2rem;margin-bottom:4px}.hint-text{font-size:.9rem;color:var(--text);line-height:1.4}.hint-visual{font-size:1.2rem;margin-top:4px;letter-spacing:2px}.feedback{margin-top:12px;padding:10px 24px;border-radius:var(--radius-lg);font-weight:700;font-size:1.1rem;animation:slideIn .3s ease-out}.feedback-correct{background:#d1fae5;color:#065f46}.feedback-wrong{background:#fee2e2;color:#991b1b}.level-complete-screen{align-items:center;justify-content:center;padding:24px}.level-complete-content{display:flex;flex-direction:column;align-items:center;gap:16px;max-width:400px;text-align:center}.stars-display{display:flex;gap:8px}.star{font-size:2.5rem;transition:transform .3s}.star.earned{animation:starPop .5s ease backwards}.star:nth-child(1){animation-delay:.1s}.star:nth-child(2){animation-delay:.3s}.star:nth-child(3){animation-delay:.5s}@keyframes starPop{0%{transform:scale(0) rotate(-30deg)}60%{transform:scale(1.3) rotate(5deg)}to{transform:scale(1) rotate(0)}}.star.empty{opacity:.3}.level-complete-title{font-size:1.8rem;font-weight:800}.level-complete-score{font-size:1.1rem;color:var(--text-light)}.rewards-row{display:flex;gap:16px}.reward-badge{display:flex;align-items:center;gap:6px;background:#fff;padding:10px 18px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}.reward-icon{font-size:1.3rem}.reward-value{font-weight:700;color:var(--primary)}.new-creature-card{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow-lg);animation:slideIn .5s ease-out}.new-creature-card h3{font-size:1rem;margin-bottom:8px}.creature-big-emoji{font-size:3rem;display:block}.creature-name{font-weight:600;color:var(--primary);margin-top:4px}.new-achievements{background:#fffbeb;padding:16px;border-radius:var(--radius);border:2px solid var(--yellow-light)}.new-achievements h3{font-size:1rem;margin-bottom:8px}.achievement-mini{display:flex;align-items:center;gap:8px;font-weight:600}.level-complete-actions{display:flex;flex-direction:column;gap:10px;width:100%;max-width:280px;margin-top:8px}.shop-screen{background:linear-gradient(180deg,#fffbeb,var(--bg))}.shop-section{padding:16px}.shop-section-title{font-size:1.1rem;margin-bottom:4px}.shop-section-desc{font-size:.8rem;color:var(--text-light);margin-bottom:12px}.shop-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.shop-item{background:#fff;border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:6px}.shop-item.special-item{border:2px solid var(--yellow-light);background:#fffbeb}.shop-item.owned{opacity:.7}.shop-item-emoji{font-size:2rem}.shop-item-name{font-weight:700;font-size:.85rem}.shop-item-desc{font-size:.75rem;color:var(--text-light)}.shop-item-category{font-size:.7rem;color:var(--text-muted);text-transform:capitalize}.shop-buy-btn{background:linear-gradient(135deg,var(--primary),var(--pink));color:#fff;border:none;padding:8px 16px;border-radius:20px;font-weight:700;font-size:.85rem;font-family:var(--font);cursor:pointer}.shop-buy-btn.disabled{background:#d1d5db;cursor:not-allowed}.shop-owned-badge{font-size:.8rem;color:var(--green);font-weight:600}.avatar-screen{background:linear-gradient(180deg,#fce7f3,var(--bg))}.avatar-preview{display:flex;justify-content:center;padding:24px}.avatar-display{display:flex;flex-direction:column;align-items:center;position:relative;padding:20px 30px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.avatar-hat{font-size:2rem;position:absolute;top:0;transform:translateY(-50%)}.avatar-body{font-size:4rem}.avatar-accessories{display:flex;gap:8px;font-size:1.5rem;margin-top:4px}.avatar-section{padding:12px 16px}.avatar-section h3{font-size:.95rem;margin-bottom:8px}.avatar-base-grid{display:flex;flex-wrap:wrap;gap:8px}.avatar-base-btn{font-size:2rem;padding:8px 12px;border:3px solid transparent;border-radius:var(--radius);background:#fff;cursor:pointer}.avatar-base-btn.selected{border-color:var(--primary);background:#f5f3ff}.avatar-item-grid{display:flex;flex-wrap:wrap;gap:8px}.avatar-item-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 14px;border:2px solid #e5e7eb;border-radius:var(--radius-sm);background:#fff;font-family:var(--font);cursor:pointer;font-size:.75rem}.avatar-item-btn.equipped{border-color:var(--primary);background:#f5f3ff}.avatar-item-btn span:first-child{font-size:1.5rem}.avatar-item-name{font-size:.7rem;color:var(--text-light)}.creatures-screen{background:linear-gradient(180deg,#ecfdf5,var(--bg))}.creature-count{font-size:.85rem;font-weight:700;color:var(--primary)}.creatures-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}.creature-card{background:#fff;border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:4px}.creature-card.locked{opacity:.5;filter:grayscale(.5)}.creature-emoji{font-size:2.5rem}.creature-name{font-weight:700;font-size:.85rem}.creature-world{font-size:.75rem;color:var(--text-light)}.creature-rarity{font-size:.65rem;font-weight:600;text-transform:uppercase;padding:2px 8px;border-radius:10px}.rarity-common{background:#dbeafe;color:var(--blue)}.rarity-rare{background:#fde68a;color:#92400e}.achievements-screen{background:linear-gradient(180deg,#fffbeb,var(--bg))}.ach-count{font-size:.85rem;font-weight:700;color:var(--yellow)}.achievements-list{padding:16px;display:flex;flex-direction:column;gap:8px}.achievement-card{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.achievement-card.locked{opacity:.5}.ach-emoji{font-size:1.8rem;min-width:36px;text-align:center}.ach-info{flex:1;display:flex;flex-direction:column}.ach-name{font-weight:700;font-size:.9rem}.ach-desc{font-size:.8rem;color:var(--text-light)}.ach-check{font-size:1.2rem}.pin-screen{background:linear-gradient(180deg,#f1f5f9,#e2e8f0)}.pin-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:24px}.pin-instruction{font-size:1.1rem;color:var(--text-light)}.pin-dots{display:flex;gap:16px}.pin-dot{font-size:2rem;transition:transform .15s}.pin-dot.filled{color:var(--primary);transform:scale(1.2)}.pin-dot.error{color:var(--red);animation:wrongShake .3s ease}.pin-error{color:var(--red);font-weight:600;font-size:.9rem}.pin-pad{display:grid;grid-template-columns:repeat(3,80px);gap:10px}.pin-key{width:80px;height:64px;border:none;border-radius:var(--radius);background:#fff;font-size:1.5rem;font-weight:700;font-family:var(--font);cursor:pointer;box-shadow:var(--shadow);transition:transform .1s}.pin-key:active{transform:scale(.95)}.pin-key.empty{background:transparent;box-shadow:none;cursor:default}.pin-key.del-key{font-size:1.3rem}.parent-screen{background:#f8fafc}.parent-tabs{display:flex;overflow-x:auto;border-bottom:2px solid #e5e7eb;padding:0 8px;background:#fff;-ms-overflow-style:none;scrollbar-width:none}.parent-tabs::-webkit-scrollbar{display:none}.parent-tab{padding:12px 16px;border:none;background:none;font-family:var(--font);font-size:.85rem;font-weight:600;color:var(--text-light);cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-2px}.parent-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.parent-content{flex:1;overflow-y:auto;padding-bottom:24px}.parent-section{padding:16px}.parent-section h3{font-size:1rem;margin-bottom:8px;color:var(--text)}.parent-note{font-size:.85rem;color:var(--text-light);line-height:1.5;margin-bottom:12px}.parent-hint{font-style:italic;font-size:.8rem}.parent-empty{color:var(--text-muted);font-size:.9rem;font-style:italic;text-align:center;padding:20px}.parent-stat-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px}.parent-stat-card{background:#fff;border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px}.parent-stat-icon{font-size:1.5rem}.parent-stat-value{font-size:1.4rem;font-weight:800;color:var(--primary)}.parent-stat-label{font-size:.7rem;color:var(--text-light)}.daily-chart{display:flex;gap:8px;align-items:flex-end;padding:0 16px;height:160px}.daily-bar-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.daily-bar-container{height:120px;width:100%;display:flex;align-items:flex-end}.daily-bar{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-light));border-radius:6px 6px 0 0;justify-content:flex-start;display:flex;align-items:flex-start;min-height:4px;transition:height .5s ease}.daily-bar-value{font-size:.6rem;font-weight:700;color:#fff;padding:2px;width:100%;text-align:center}.daily-bar-label{font-size:.7rem;color:var(--text-light);font-weight:600}.daily-bar-count{font-size:.6rem;color:var(--text-muted)}.topic-list{display:flex;flex-direction:column;gap:8px}.topic-row{display:flex;align-items:center;gap:8px}.topic-name{font-size:.8rem;font-weight:600;min-width:100px;text-transform:capitalize}.topic-bar{flex:1;height:12px;background:#e5e7eb;border-radius:6px;overflow:hidden}.topic-bar-fill{height:100%;border-radius:6px;transition:width .5s ease}.topic-acc{font-size:.8rem;font-weight:700;min-width:35px;text-align:right}.difficulty-info{font-size:.9rem;margin-bottom:8px}.difficulty-meter{height:12px;background:#e5e7eb;border-radius:6px;overflow:hidden;margin-bottom:8px}.difficulty-fill{height:100%;background:linear-gradient(90deg,var(--green),var(--yellow),var(--red));border-radius:6px;transition:width .5s}.difficulty-note{font-size:.8rem;color:var(--text-muted)}.world-progress-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #f1f5f9}.wp-emoji{font-size:1.5rem;min-width:32px;text-align:center}.wp-info{flex:1}.wp-name{font-weight:600;font-size:.85rem}.wp-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden;margin:4px 0}.wp-bar-fill{height:100%;border-radius:4px;transition:width .5s}.wp-detail{font-size:.7rem;color:var(--text-light)}.wp-status{font-size:1.3rem}.wp-status.locked{opacity:.5}.ach-mini-grid{display:flex;flex-wrap:wrap;gap:6px}.ach-mini{font-size:1.5rem;padding:4px}.ach-mini.locked{opacity:.3;filter:grayscale(1)}.session-list{max-height:300px;overflow-y:auto}.session-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid #f1f5f9;font-size:.8rem}.session-date{color:var(--text-light);min-width:80px}.session-world{min-width:60px}.session-score{font-weight:700;color:var(--primary);min-width:40px}.session-time{color:var(--text-muted)}.section-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.empty-shop{text-align:center;padding:24px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.empty-icon{font-size:3rem;display:block;margin-bottom:8px}.parent-shop-list{display:flex;flex-direction:column;gap:10px}.parent-shop-item{display:flex;align-items:center;gap:10px;background:#fff;padding:14px;border-radius:var(--radius);box-shadow:var(--shadow)}.parent-shop-item.redeemed{opacity:.6}.psi-emoji{font-size:1.8rem}.psi-info{flex:1;display:flex;flex-direction:column;gap:2px}.psi-name{font-weight:700;font-size:.9rem}.psi-desc{font-size:.75rem;color:var(--text-light)}.psi-price{font-size:.8rem;color:var(--yellow);font-weight:600}.psi-actions{display:flex;flex-direction:column;gap:4px;align-items:flex-end}.psi-redeemed{color:var(--green);font-weight:600;font-size:.8rem}.psi-waiting{color:var(--text-muted);font-size:.75rem;font-style:italic}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:50;padding:24px}.modal{background:#fff;border-radius:var(--radius-lg);padding:24px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.modal h3{font-size:1.1rem;margin-bottom:16px}.form-field{margin-bottom:12px}.form-field label{display:block;font-size:.8rem;font-weight:600;color:var(--text-light);margin-bottom:4px}.form-field input{width:100%;padding:10px 14px;border:2px solid #e5e7eb;border-radius:var(--radius-sm);font-size:.95rem;font-family:var(--font);outline:none;transition:border-color .2s}.form-field input:focus{border-color:var(--primary)}.form-row{display:flex;gap:12px}.form-row .form-field{flex:1}.emoji-picker{display:flex;flex-wrap:wrap;gap:6px}.emoji-option{font-size:1.3rem;padding:4px 8px;border:2px solid transparent;border-radius:8px;background:#f9fafb;cursor:pointer}.emoji-option.selected{border-color:var(--primary);background:#f5f3ff}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.pin-setup{display:flex;flex-direction:column;gap:10px;align-items:center}.pin-input{width:200px;padding:12px;border:3px solid var(--primary-light);border-radius:var(--radius);font-size:1.5rem;font-family:var(--font);text-align:center;letter-spacing:12px;outline:none}.pin-input:focus{border-color:var(--primary)}.pin-setup-actions{display:flex;gap:8px}.settings-info{background:#fff;padding:16px;border-radius:var(--radius);box-shadow:var(--shadow)}.settings-info p{font-size:.85rem;padding:4px 0;border-bottom:1px solid #f1f5f9}.settings-info p:last-child{border-bottom:none}.screen::-webkit-scrollbar{width:4px}.screen::-webkit-scrollbar-track{background:transparent}.screen::-webkit-scrollbar-thumb{background:var(--primary-light);border-radius:2px}@media(max-width:360px){.problem-question{font-size:2.2rem}.choice-btn{padding:16px;font-size:1.5rem}.home-greeting{font-size:1.3rem}}@media(min-height:800px){.problem-card{padding:40px 48px;margin:24px}.choices-grid{gap:16px}}