:root{--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #e0e7ff;--accent-gold: #f59e0b;--accent-gold-light: #fef3c7;--success: #10b981;--success-light: #d1fae5;--error: #ef4444;--error-light: #fee2e2;--bg-main: #f8fafc;--card-bg: #ffffff;--text-main: #0f172a;--text-muted: #475569;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 8px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, .12);--shadow-glow: 0 0 20px rgba(245, 158, 11, .4)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Comic Sans MS,sans-serif;background-color:var(--bg-main);background-image:radial-gradient(#e2e8f0 1.2px,transparent 1.2px);background-size:24px 24px;color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;user-select:none;-webkit-user-select:none;overflow-x:hidden}.app-header{background:#fff;border-bottom:2px solid #e2e8f0;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.brand{display:flex;align-items:center;gap:8px}.brand-logo{font-size:1.8rem;line-height:1}.brand-title{font-size:1.4rem;font-weight:900;background:linear-gradient(135deg,#4f46e5,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.header-status{display:flex;align-items:center;gap:12px}.player-badge{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:9999px;background:#f1f5f9;font-weight:700;font-size:.95rem;box-shadow:inset 0 0 0 1px #cbd5e1}.player-badge .avatar{font-size:1.2rem}.lives-container{display:flex;align-items:center;gap:4px;font-size:1.25rem}.score-badge{background:var(--primary-light);color:var(--primary);font-weight:800;padding:4px 10px;border-radius:9999px;font-size:.9rem}.header-actions{display:flex;align-items:center;gap:8px}.btn-icon{background:#f8fafc;border:2px solid #e2e8f0;border-radius:50%;width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;transition:all .15s ease}.btn-icon:hover{background:#f1f5f9;border-color:#cbd5e1;transform:scale(1.05)}.btn-icon:active{transform:scale(.95)}.game-container{flex:1;max-width:1300px;width:100%;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:20px}.current-card-section{display:flex;flex-direction:column;align-items:center;gap:10px}.prompt-banner{background:#fff;padding:8px 18px;border-radius:9999px;font-size:.95rem;font-weight:700;color:var(--text-muted);box-shadow:var(--shadow-sm);border:1px solid #e2e8f0;text-align:center;animation:pulseHint 2s infinite ease-in-out}@keyframes pulseHint{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.invention-card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:3px solid #e2e8f0;display:flex;flex-direction:column;align-items:center;text-align:center;transition:all .2s cubic-bezier(.34,1.56,.64,1);position:relative;overflow:hidden}.current-card-wrapper{perspective:1000px}.invention-card.active-card{width:220px;padding:14px;cursor:grab;border-color:var(--primary);box-shadow:0 12px 30px -4px #4f46e533}.invention-card.active-card:active{cursor:grabbing}.invention-card.active-card.dragging{opacity:.5;transform:scale(.95)}.invention-card .card-img-wrap{width:100%;aspect-ratio:1 / 1;border-radius:var(--radius-md);background:#f8fafc;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:10px;position:relative}.invention-card img{width:100%;height:100%;object-fit:cover;display:block}.invention-card .card-title{font-size:1.15rem;font-weight:800;color:var(--text-main);line-height:1.25;min-height:2.5em;display:flex;align-items:center;justify-content:center}.invention-card .year-badge{margin-top:8px;padding:6px 14px;border-radius:9999px;font-weight:900;font-size:1.05rem;background:#f1f5f9;color:var(--text-muted);box-shadow:inset 0 0 0 1px #cbd5e1}.invention-card .year-badge.revealed{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;box-shadow:0 2px 8px #d9770666}.invention-card .year-badge.mystery{background:#e0e7ff;color:var(--primary);letter-spacing:2px}.timeline-card{width:140px;padding:8px;flex-shrink:0;border-width:2px;background:#fff}.timeline-card .card-img-wrap{margin-bottom:6px}.timeline-card .card-title{font-size:.85rem;min-height:2.2em}.timeline-card .year-badge{padding:3px 8px;font-size:.85rem;margin-top:4px}.timeline-section{display:flex;flex-direction:column;gap:10px}.timeline-header{display:flex;align-items:center;justify-content:space-between;padding:0 8px}.timeline-title{font-size:1.15rem;font-weight:800;color:var(--text-main);display:flex;align-items:center;gap:8px}.timeline-track-container{background:#fff;border-radius:var(--radius-lg);border:2px solid #e2e8f0;padding:24px 16px;box-shadow:var(--shadow-sm);overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;position:relative}.timeline-track{display:inline-flex;align-items:center;min-width:100%;padding:10px 8px;gap:12px;position:relative}.timeline-track:before{content:"";position:absolute;top:50%;left:0;right:0;height:6px;background:linear-gradient(90deg,#e2e8f0,#cbd5e1,#e2e8f0);border-radius:9999px;z-index:0;transform:translateY(-50%)}.timeline-item,.slot-button{position:relative;z-index:1}.slot-button{width:52px;height:140px;flex-shrink:0;border:3px dashed #cbd5e1;background:#f8fafc;border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#64748b;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);padding:6px 2px}.slot-button .slot-icon{font-size:1.6rem;font-weight:900;transition:transform .2s ease}.slot-button .slot-label{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.5px;writing-mode:vertical-rl;text-orientation:mixed}.slot-button:hover,.slot-button.drag-over{background:var(--primary-light);border-color:var(--primary);border-style:solid;color:var(--primary);transform:scale(1.08);box-shadow:0 4px 15px #4f46e540}.slot-button:hover .slot-icon,.slot-button.drag-over .slot-icon{transform:scale(1.3)}.slot-button.highlight-correct{background:#fef08a!important;border-color:#eab308!important;border-style:solid!important;color:#854d0e!important;animation:glowPulse 1s infinite alternate}@keyframes glowPulse{0%{transform:scale(1);box-shadow:0 0 8px #eab30866}to{transform:scale(1.1);box-shadow:0 0 20px #eab308cc}}.shake-animation{animation:cardShake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes cardShake{10%,90%{transform:translate3d(-3px,0,0) rotate(-2deg)}20%,80%{transform:translate3d(4px,0,0) rotate(2deg)}30%,50%,70%{transform:translate3d(-6px,0,0) rotate(-3deg)}40%,60%{transform:translate3d(6px,0,0) rotate(3deg)}}.success-pop{animation:popSuccess .45s cubic-bezier(.34,1.56,.64,1)}@keyframes popSuccess{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.modal-backdrop{position:fixed;inset:0;background:#0f172a99;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s ease}.modal-backdrop.open{opacity:1;pointer-events:auto}.modal-box{background:#fff;border-radius:var(--radius-lg);max-width:480px;width:100%;padding:24px;box-shadow:var(--shadow-lg);border:3px solid #e2e8f0;text-align:center;transform:translateY(20px) scale(.95);transition:all .25s cubic-bezier(.34,1.56,.64,1)}.modal-backdrop.open .modal-box{transform:translateY(0) scale(1)}.modal-box .modal-icon{font-size:3.5rem;margin-bottom:8px}.modal-box .modal-title{font-size:1.5rem;font-weight:900;color:var(--text-main);margin-bottom:12px}.modal-box .modal-body{font-size:1.05rem;line-height:1.5;color:var(--text-muted);margin-bottom:20px}.fact-highlight{background:#f8fafc;border-left:4px solid var(--accent-gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:12px 16px;text-align:left;margin:16px 0;font-size:.98rem;color:#1e293b}.fact-highlight strong{color:#b45309}.btn-primary{background:linear-gradient(135deg,#4f46e5,#4338ca);color:#fff;border:none;padding:12px 24px;font-size:1.1rem;font-weight:800;border-radius:9999px;cursor:pointer;box-shadow:0 4px 12px #4f46e54d;transition:all .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #4f46e566}.btn-primary:active{transform:translateY(1px)}.btn-secondary{background:#f1f5f9;color:var(--text-main);border:2px solid #cbd5e1;padding:10px 20px;font-size:1rem;font-weight:700;border-radius:9999px;cursor:pointer;transition:all .15s ease;width:100%;margin-top:8px}.btn-secondary:hover{background:#e2e8f0}.settings-group{text-align:left;margin-bottom:16px}.settings-label{display:block;font-size:.95rem;font-weight:800;color:var(--text-main);margin-bottom:8px}.segmented-control{display:flex;background:#f1f5f9;border-radius:var(--radius-sm);padding:4px;gap:4px}.segmented-option{flex:1;text-align:center;padding:8px 4px;border-radius:6px;font-size:.9rem;font-weight:700;color:var(--text-muted);cursor:pointer;transition:all .15s ease}.segmented-option.active{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm)}.player-inputs{display:flex;flex-direction:column;gap:8px}.player-input-row{display:flex;align-items:center;gap:8px}.player-input-row input{flex:1;padding:8px 12px;border-radius:var(--radius-sm);border:2px solid #cbd5e1;font-size:.95rem;font-weight:600}.player-input-row input:focus{outline:none;border-color:var(--primary)}@media(max-width:640px){.invention-card.active-card{width:190px;padding:12px}.timeline-card{width:125px}.slot-button{width:44px;height:125px}.prompt-banner{font-size:.85rem;padding:6px 14px}}@media(max-width:540px){.app-header{display:flex;flex-wrap:wrap;align-items:center;padding:8px 12px 6px;row-gap:8px}.brand{order:1;gap:6px}.brand-logo{font-size:1.4rem}.brand-title{font-size:1.15rem}.header-actions{order:2;margin-left:auto;gap:6px}.btn-icon{width:36px;height:36px;font-size:1.05rem}.header-status{order:3;width:100%;display:flex;align-items:center;justify-content:space-between;padding-top:6px;border-top:1px solid #f1f5f9;gap:4px}.player-badge{padding:3px 8px;font-size:.82rem;gap:4px}.player-badge .avatar{font-size:1rem}.lives-container{font-size:1.05rem;gap:2px}.score-badge{padding:3px 8px;font-size:.82rem;font-weight:800;white-space:nowrap}.game-container{padding:10px 8px;gap:14px}.timeline-track-container{padding:16px 8px}}@media(max-width:375px){.invention-card.active-card{width:175px;padding:10px}.brand-title{font-size:1.05rem}.player-badge,.score-badge{font-size:.78rem;padding:2px 6px}}