:root{--background: #0f172a;--surface: #1e293b;--surface-hover: #334155;--surface-glass: rgba(30, 41, 59, .45);--border: rgba(255, 255, 255, .08);--border-active: rgba(6, 182, 212, .4);--primary: #06b6d4;--primary-hover: #0891b2;--primary-glow: rgba(6, 182, 212, .15);--secondary: #8b5cf6;--secondary-hover: #7c3aed;--success: #10b981;--success-glow: rgba(16, 182, 129, .2);--error: #f43f5e;--error-glow: rgba(244, 63, 94, .2);--text: #f8fafc;--text-muted: #94a3b8;--text-dark: #0f172a;--radius: 12px;--radius-lg: 20px;--font-family: "Outfit", sans-serif;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text);font-family:var(--font-family);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;background-image:radial-gradient(circle at 15% 15%,rgba(6,182,212,.08) 0%,transparent 45%),radial-gradient(circle at 85% 85%,rgba(139,92,246,.08) 0%,transparent 45%)}#root{display:flex;flex-direction:column;flex:1;width:100%}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem 1.5rem;max-width:900px;margin:0 auto;width:100%}.glass-panel{background:var(--surface-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow-lg);width:100%;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}h1{font-size:3rem;font-weight:800;letter-spacing:-.05em;text-align:center;background:linear-gradient(135deg,#f8fafc 20%,#94a3b8 50%,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.gradient-title{background:linear-gradient(135deg,#06b6d4,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}p.subtitle{color:var(--text-muted);text-align:center;font-size:1.1rem;margin-bottom:2.5rem;font-weight:400}.btn{font-family:inherit;font-size:1rem;font-weight:600;padding:12px 24px;border-radius:var(--radius);border:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px;outline:none}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);color:var(--text-dark);box-shadow:0 4px 15px #06b6d44d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #06b6d480;filter:brightness(1.1)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover);border-color:var(--text-muted)}.btn-outline-primary{background:transparent;color:var(--primary);border:1px solid rgba(6,182,212,.3)}.btn-outline-primary:hover{background:var(--primary-glow);border-color:var(--primary)}.game-header{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:1.5rem;padding:0 .5rem}.stat-box{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1.1rem}.hearts-container{display:flex;gap:6px}.heart-svg{width:24px;height:24px;fill:var(--error);stroke:var(--error);transition:transform .2s ease}.heart-empty{fill:transparent;stroke:var(--text-muted);opacity:.5}.heart-lost{animation:heart-pop .4s ease-out}.question-container{display:flex;flex-direction:column;align-items:center;width:100%}.barcode-wrapper{width:100%;height:220px;background:#0f172a80;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);position:relative;display:flex;align-items:center;justify-content:center;margin-bottom:2rem;transition:all .5s ease}.barcode-image{width:100%;height:100%;object-fit:cover;transition:opacity .2s ease-in-out}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;width:100%;margin-bottom:1.5rem}@media (max-width: 600px){.options-grid{grid-template-columns:1fr}}.option-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);padding:1.25rem 1.5rem;font-family:inherit;font-size:1.05rem;font-weight:500;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-align:left;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between}.option-btn:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-muted);transform:translateY(-1px)}.option-btn:disabled{cursor:not-allowed}.option-btn.correct{background:var(--success);border-color:var(--success);color:var(--text-dark);font-weight:700;box-shadow:0 4px 15px var(--success-glow)}.option-btn.incorrect{background:var(--error);border-color:var(--error);color:var(--text);font-weight:700;box-shadow:0 4px 15px var(--error-glow)}.option-btn.dimmed{opacity:.35}.option-btn.reveal-correct{border-color:var(--success);box-shadow:0 0 10px #10b68166}.barcodes-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;width:100%;margin-bottom:1.5rem}@media (max-width: 600px){.barcodes-grid{grid-template-columns:1fr}}.barcode-option-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:all .2s ease;height:140px;position:relative}.barcode-option-card:hover:not(.disabled){border-color:var(--primary);transform:translateY(-2px)}.barcode-option-card.correct{border:3px solid var(--success);box-shadow:0 4px 15px var(--success-glow)}.barcode-option-card.incorrect{border:3px solid var(--error);box-shadow:0 4px 15px var(--error-glow)}.barcode-option-card.dimmed{opacity:.35}.barcode-option-card.reveal-correct{border:3px solid var(--success)}.skeleton-loader{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,#1e293b 25%,#334155,#1e293b 75%);background-size:200% 100%;animation:loading-pulse 1.5s infinite;display:flex;align-items:center;justify-content:center}.skeleton-text{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-weight:500;opacity:.6}.color-palette-reveal{display:flex;height:35px;width:100%;border-radius:6px;overflow:hidden;margin-top:1.5rem;animation:slide-up .3s ease}.color-swatch{flex:1;height:100%}.feedback-msg{font-size:1.15rem;font-weight:700;margin:1rem 0;text-align:center;min-height:1.5rem;display:flex;align-items:center;gap:8px}.feedback-msg.correct{color:var(--success)}.feedback-msg.incorrect{color:var(--error)}.menu-container{display:flex;flex-direction:column;align-items:center;text-align:center}.stats-summary{display:flex;gap:2rem;margin-bottom:2.5rem}.summary-stat{display:flex;flex-direction:column;align-items:center}.stat-val{font-size:2.25rem;font-weight:800;color:var(--primary)}.stat-lbl{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.setup-warning{background:#f43f5e0f;border:1px solid rgba(244,63,94,.25);border-radius:var(--radius);padding:1.25rem;margin-bottom:2rem;text-align:left;max-width:550px;font-size:.95rem;line-height:1.5}.setup-title{color:var(--error);font-weight:600;margin-bottom:.5rem;display:flex;align-items:center;gap:8px}.setup-code{background:#0f172acc;font-family:monospace;padding:6px 10px;border-radius:4px;display:block;margin:.5rem 0;color:#fb7185;font-size:.85rem;word-break:break-all}.play-buttons{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:350px}.gameover-container{display:flex;flex-direction:column;align-items:center;text-align:center}.badge-highlight{background:var(--primary-glow);border:1px solid var(--primary);color:var(--primary);border-radius:50px;padding:6px 16px;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}.final-score{font-size:4rem;font-weight:900;color:var(--text);margin:.5rem 0;line-height:1}.gameover-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin:2rem 0;width:100%;max-width:400px;background:#0f172a4d;padding:1.25rem;border-radius:var(--radius);border:1px solid var(--border)}.game-controls{display:flex;justify-content:space-between;width:100%;gap:1rem;margin-top:1.5rem}.footer-link{margin-top:3rem;color:var(--text-muted);font-size:.9rem;text-decoration:none;display:flex;align-items:center;gap:6px;transition:color .2s ease;font-weight:500}.footer-link:hover{color:var(--primary)}@keyframes heart-pop{0%{transform:scale(1)}50%{transform:scale(1.4)}to{transform:scale(1)}}@keyframes slide-up{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes loading-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.shake{animation:shake-anim .4s ease-in-out}@keyframes shake-anim{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.glow-success{box-shadow:0 0 35px var(--success);border-color:var(--success)}.glow-error{box-shadow:0 0 35px var(--error);border-color:var(--error)}