*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.background-animation{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:1;will-change:transform}body{background:#05000a}*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #635bff;--primary-hover: #0a2540;--success: #00d924;--error: #df1b41;--text-primary: #0a2540;--text-secondary: #425466;--text-tertiary: #8898aa;--background: #f6f9fc;--surface: #ffffff;--border: #e3e8ee;--border-focus: #635bff;--shadow-sm: 0 1px 3px rgba(50, 50, 93, .15), 0 1px 0 rgba(0, 0, 0, .02);--shadow-md: 0 4px 6px rgba(50, 50, 93, .11), 0 1px 3px rgba(0, 0, 0, .08);--shadow-lg: 0 13px 27px -5px rgba(50, 50, 93, .25), 0 8px 16px -8px rgba(0, 0, 0, .3)}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--background);color:var(--text-primary);line-height:1.5}#root{display:flex;flex-direction:column;height:100%;width:100%;overflow:hidden}.navbar{background:#ffffff1a;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.15);z-index:100;box-shadow:0 4px 30px #0000001a;flex-shrink:0;width:100%;padding-top:env(safe-area-inset-top)}.navbar-container{max-width:1200px;margin:0 auto;padding:.5rem 1rem;padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right));display:flex;align-items:center;justify-content:space-between}.navbar-actions{display:flex;align-items:center;gap:.75rem}.nav-button{font-size:.875rem;font-weight:500;color:#fffc;background:none;border:none;cursor:pointer;padding:.5rem 1rem;border-radius:6px;transition:all .15s ease;text-decoration:none}.nav-button:hover{background:#ffffff1a;color:#fff}.how-to-play-button{width:2rem;height:2rem;padding:0;border-radius:50%;border:2px solid rgba(255,255,255,.6);font-size:1rem;font-weight:600;display:flex;align-items:center;justify-content:center}.how-to-play-button:hover{border-color:#fff;background:#ffffff26}.how-to-play-button:focus{outline:none}.nav-icon-button{width:2.25rem;height:2.25rem;padding:0;border-radius:50%;border:2px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;color:#fffc}.nav-icon-button:hover{border-color:#fff;background:#ffffff26;color:#fff}.nav-icon-button:focus{outline:none}.nav-icon-button svg{flex-shrink:0}.nav-menu-container{position:relative}.nav-dropdown-menu{position:absolute;top:calc(100% + .5rem);right:0;min-width:160px;background:#1e1e23f2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:.5rem;box-shadow:0 10px 40px #0006;z-index:1000}.nav-dropdown-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:none;border:none;border-radius:8px;color:#ffffffd9;font-size:.9375rem;font-weight:500;cursor:pointer;transition:background .15s ease;text-align:left;white-space:nowrap}.nav-dropdown-item:hover{background:#ffffff1a;color:#fff}.nav-dropdown-item svg{flex-shrink:0;opacity:.7}.nav-dropdown-item:hover svg{opacity:1}.sign-in-button{background:var(--primary);color:#fff}.sign-in-button:hover{background:var(--primary-hover);color:#fff}.profile-link{display:flex;align-items:center;gap:.5rem}.navbar-brand{display:flex;align-items:center}.brand-name{font-size:1.25rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.brand-name-button{font-size:1.25rem;font-weight:700;color:#fffffff2;letter-spacing:-.02em;background:none;border:none;cursor:pointer;padding:.5rem 1rem;border-radius:6px;transition:all .15s ease;text-decoration:none}.brand-name-button:hover{background:#ffffff1a}.navbar-links{display:flex;align-items:center;gap:2rem}.nav-link{font-size:.9375rem;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:color .15s ease}.nav-link:hover{color:var(--text-primary)}.nav-link-cta{color:var(--primary);padding:.5rem 1rem;border-radius:6px;background:#635bff14;transition:all .15s ease}.nav-link-cta:hover{color:var(--primary);background:#635bff1f}.game-container{flex:1;max-width:900px;width:100%;margin:0 auto;padding:1.5rem;padding-bottom:280px;animation:fadeIn .4s ease-out;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow:hidden;min-height:0}.game-container:has(.results-wrapper){justify-content:flex-start;overflow-y:auto;padding-bottom:1.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.progress-dots{display:flex;justify-content:center;gap:8px;margin-bottom:1rem}.progress-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:all .3s ease}.progress-dot.active{background:var(--primary);box-shadow:0 0 8px #635bff66;animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{transform:scale(1);box-shadow:0 0 8px #635bff66}50%{transform:scale(1.3);box-shadow:0 0 12px #635bffb3,0 0 20px #635bff4d}}.progress-dot.completed{background:var(--primary)}.question-card-wrapper{transition:opacity .3s ease-out,transform .3s ease-out}.question-card-wrapper.fading-out{opacity:0;transform:scale(.95) translateY(-10px);pointer-events:none}.question-card-wrapper.fading-out .submit-button{opacity:0;transform:translateY(10px)}.results-wrapper{opacity:1;width:100%}.results-wrapper.revealing{animation:resultsReveal .4s ease-out forwards}@keyframes resultsReveal{0%{opacity:0}to{opacity:1}}.progress-indicator{text-align:center;margin-bottom:2.5rem;font-size:.875rem;font-weight:500;color:var(--text-tertiary);letter-spacing:.3px;text-transform:uppercase}.question-card-container{display:flex;flex-direction:column;flex:1;width:100%;max-width:600px}.bound-edit-overlay{position:fixed;inset:0;z-index:5}.question-card{background:linear-gradient(135deg,#ffffff40,#ffffff1f,#ffffff2e);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-radius:16px;padding:1.25rem 1.5rem;box-shadow:0 8px 32px #0000001f,inset 0 1px #ffffff80,inset 0 -1px #ffffff26;border:1px solid rgba(255,255,255,.3);max-width:100%}.question-header{background:#ffffffd9;border-radius:10px;padding:1rem 1.25rem;margin-bottom:1rem;box-shadow:0 2px 8px #0000000f}.question-prompt{font-size:1.25rem;font-weight:600;color:var(--text-primary);line-height:1.35;margin-bottom:.5rem;letter-spacing:-.02em}.unit-badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--background);padding:.4rem .875rem;border-radius:6px;border:1px solid var(--border);font-size:.8125rem}.unit-label{color:var(--text-tertiary);font-weight:500}.unit-value{color:var(--text-primary);font-weight:600;font-family:SF Mono,Monaco,Courier New,monospace}.confidence-label{margin-bottom:1rem;font-size:.875rem;font-weight:500;color:var(--text-secondary)}.inputs-container{display:flex;align-items:flex-end;gap:1rem;margin-bottom:0}.input-group{flex:1;display:flex;flex-direction:column;gap:.5rem}.input-group label{font-size:.8125rem;font-weight:500;color:var(--text-secondary);letter-spacing:.01em}.bound-input{width:100%;padding:1rem;font-size:1.375rem;font-weight:400;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-primary);transition:all .15s ease;font-family:SF Mono,Monaco,Courier New,monospace;text-align:center}.bound-input::placeholder{color:var(--text-tertiary)}.bound-input:hover{border-color:var(--text-tertiary)}.bound-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #635bff1a}.input-separator{padding-bottom:1rem;color:var(--text-tertiary);font-size:1.125rem;font-weight:500;flex-shrink:0}.validation-error{color:var(--error);font-size:.8125rem;margin:0;padding:.625rem .875rem;background:#df1b410d;border-radius:6px;border:1px solid rgba(223,27,65,.15);font-weight:500;text-align:center}.inputs-container-with-error{display:flex;flex-direction:column;gap:.75rem}.inputs-container-with-error .input-group{display:flex;flex-direction:column;gap:.25rem}.bound-label{font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.submit-button{display:block;margin:1rem auto 0;padding:.75rem 2rem;font-size:.9375rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease;letter-spacing:.01em;box-shadow:var(--shadow-sm)}.submit-button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.submit-button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm)}.submit-button:disabled{background:var(--text-tertiary);cursor:not-allowed;opacity:.5;box-shadow:none}.results-container{max-width:900px;margin:0 auto;padding:2.5rem 1.5rem 2rem;animation:fadeIn .4s ease-out;overflow-y:auto;height:100%;scrollbar-width:none;-ms-overflow-style:none}.results-container::-webkit-scrollbar{display:none}.daily-score-card{background:var(--surface);border-radius:12px;padding:2.5rem 3rem;margin-bottom:2rem;border:1px solid var(--border);box-shadow:var(--shadow-md)}.score-layout{display:grid;grid-template-rows:auto auto auto;gap:2rem}.score-top-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:stretch;justify-content:center}.score-top-row .stat-primary{flex:1.5 1 180px;min-width:180px;max-width:300px}.score-top-row .stat-rank,.score-top-row .stat-calibration-small{flex:1 1 120px;min-width:100px;max-width:180px}.stat-item{display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}.stat-primary{position:relative;padding:1.5rem;border-radius:8px;background:var(--background);border:2px solid var(--border);width:100%}.share-icon-button{position:absolute;top:.75rem;right:.75rem;padding:.5rem;background:transparent;border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text-secondary);transition:all .15s ease;display:flex;align-items:center;justify-content:center}.share-icon-button:hover{background:var(--surface);color:var(--primary);border-color:var(--primary)}.share-icon-button:disabled{opacity:.5;cursor:not-allowed}.stat-value-large{font-size:4rem;font-weight:700;color:var(--primary);line-height:1;letter-spacing:-.03em}.stat-label{color:var(--text-secondary);font-size:.875rem;font-weight:500;letter-spacing:.3px;text-transform:uppercase}.stat-calibration{padding:1.5rem;border-radius:8px;background:var(--background);border:2px solid var(--border);align-items:center;text-align:center;width:100%}.stat-value-calibration{font-size:3rem;font-weight:700;line-height:1;letter-spacing:-.02em}.stat-rank{padding:1rem;border-radius:8px;background:var(--background);border:2px solid var(--border);justify-content:center}.stat-value-rank{font-size:2rem;font-weight:700;color:var(--primary);line-height:1;letter-spacing:-.02em}.stat-calibration-small{padding:1rem;border-radius:8px;background:var(--background);border:2px solid var(--border);align-items:center;text-align:center;justify-content:center}.stat-value-calibration-small{font-size:1.5rem;font-weight:700;line-height:1;letter-spacing:-.02em}.stat-calibration-small .stat-label,.stat-calibration-small .calibration-info-button{font-size:.625rem}.calibration-target{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-top:.5rem}.calibration-label-with-info{display:inline-flex;align-items:center;gap:.375rem}.calibration-info-button{background:none;border:none;color:var(--text-tertiary);font-size:.875rem;cursor:pointer;padding:0;display:inline-flex;align-items:center;justify-content:center;transition:color .2s ease;line-height:1}.calibration-info-button:hover{color:var(--primary)}.calibration-info-button:focus{outline:2px solid var(--primary);outline-offset:2px;border-radius:50%}.calibration-popup{max-width:500px}.calibration-popup .modal-body p{margin-bottom:1rem;line-height:1.6}.calibration-popup .modal-body p:last-child{margin-bottom:0}.calibration-popup .modal-body strong{color:var(--text-primary);font-weight:600}.calibration-excellent{background:linear-gradient(135deg,#00d92414,#00d9240a);border-color:var(--success)}.calibration-excellent .stat-value-calibration,.calibration-excellent .calibration-target{color:#00a81c}.calibration-good{background:linear-gradient(135deg,#22c55e14,#22c55e0a);border-color:#22c55e}.calibration-good .stat-value-calibration{color:#16a34a}.calibration-fair{background:linear-gradient(135deg,#fbbf2414,#fbbf240a);border-color:#fbbf24}.calibration-fair .stat-value-calibration{color:#d97706}.calibration-poor{background:linear-gradient(135deg,#df1b4114,#df1b410a);border-color:var(--error)}.calibration-poor .stat-value-calibration{color:#c41638}.calibration-unknown .stat-value-calibration{color:var(--text-tertiary)}.calibration-excellent .stat-value-calibration-small{color:#00a81c}.calibration-good .stat-value-calibration-small{color:#16a34a}.calibration-fair .stat-value-calibration-small{color:#d97706}.calibration-poor .stat-value-calibration-small{color:#c41638}.calibration-unknown .stat-value-calibration-small{color:var(--text-tertiary)}.stat-row-horizontal{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;justify-items:center}.stat-item-small{display:flex;flex-direction:column;align-items:center;gap:.375rem;text-align:center}.stat-value-small{font-size:1.25rem;font-weight:600;color:var(--text-primary);line-height:1;letter-spacing:-.01em}.stat-label-small{color:var(--text-secondary);font-size:.75rem;font-weight:500;letter-spacing:.3px;text-transform:uppercase}.performance-chart{display:flex;flex-direction:column;gap:1rem;padding:1.5rem;background:var(--background);border-radius:8px;border:1px solid var(--border)}.chart-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0;letter-spacing:-.01em}.chart-svg{width:100%;height:auto}.chart-legend{display:flex;justify-content:center;gap:2rem;margin-top:.5rem}.legend-item{display:flex;align-items:center;gap:.5rem}.legend-line{width:24px;height:3px;border-radius:2px}.legend-line-user{background:var(--primary)}.legend-line-avg{background:#9d98d4}.legend-line-calibration{background:#00d924}.legend-line-target{background:#00d924;opacity:.5;height:2px;border:1px dashed #00d924;background:transparent}.legend-label{font-size:.8125rem;font-weight:500;color:var(--text-secondary)}.score-card-new{position:relative;background:linear-gradient(135deg,#ffffff1f,#ffffff0f,#ffffff17);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-radius:16px;padding:2rem;margin-top:1rem;margin-bottom:1.5rem;text-align:center;border:1px solid rgba(255,255,255,.15);box-shadow:0 8px 32px #00000026,inset 0 1px #ffffff40,inset 0 -1px #ffffff1a}.score-card-share-btn{margin:1.5rem auto 0;padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;color:#fff;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem}.score-card-share-btn:disabled{opacity:.5;cursor:not-allowed}.share-btn-gray{background:linear-gradient(135deg,#4b5563,#6b7280,#4b5563);box-shadow:0 0 10px #6b72804d}.share-btn-gray:hover{background:linear-gradient(135deg,#6b7280,#9ca3af,#6b7280);box-shadow:0 0 15px #6b728066}.share-btn-default{background:linear-gradient(135deg,#7c3aed,#a855f7,#7c3aed);box-shadow:0 0 15px #a855f74d,inset 0 1px #fff3}.share-btn-default:hover{background:linear-gradient(135deg,#8b5cf6,#c084fc,#8b5cf6);transform:translateY(-2px);box-shadow:0 0 25px #a855f780,inset 0 1px #ffffff4d}.share-btn-perfect{background:linear-gradient(135deg,#7c3aed,#a855f7,#7c3aed);background-size:200% 200%;box-shadow:0 0 20px #a855f780,0 0 40px #7c3aed4d,inset 0 1px #fff3;animation:shimmer 2s ease-in-out infinite;transform:scale(1.05)}.share-btn-perfect:hover{background:linear-gradient(135deg,#8b5cf6,#c084fc,#8b5cf6);transform:scale(1.1) translateY(-2px);box-shadow:0 0 30px #a855f799,0 0 60px #7c3aed66,inset 0 1px #ffffff4d}.share-btn-elite{background:linear-gradient(135deg,#7c3aed,#ec4899,#f59e0b,#ec4899,#7c3aed);background-size:400% 400%;box-shadow:0 0 25px #ec489980,0 0 50px #a855f766,0 0 75px #f59e0b4d,inset 0 1px #ffffff4d;animation:eliteGlitter 3s ease-in-out infinite,elitePulse 1.5s ease-in-out infinite;transform:scale(1.1)}.share-btn-elite:hover{transform:scale(1.15) translateY(-3px);box-shadow:0 0 35px #ec4899b3,0 0 70px #a855f780,0 0 100px #f59e0b66,inset 0 1px #fff6}@keyframes shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes eliteGlitter{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes elitePulse{0%,to{box-shadow:0 0 25px #ec489980,0 0 50px #a855f766,0 0 75px #f59e0b4d,inset 0 1px #ffffff4d}50%{box-shadow:0 0 35px #ec4899b3,0 0 70px #a855f799,0 0 100px #f59e0b80,inset 0 1px #fff6}}.score-card-label{font-size:.875rem;font-weight:600;letter-spacing:.1em;color:#4ecdc4;margin-bottom:.5rem}.score-card-value{font-size:5rem;font-weight:700;color:#fff;line-height:1;letter-spacing:-.03em;margin-bottom:1rem}.score-card-rank{display:inline-flex;align-items:center;gap:.5rem;background:#ffffff1a;padding:.5rem 1rem;border-radius:20px;font-size:.9375rem;font-weight:500;color:#fff;margin-bottom:1.5rem}.rank-trophy{font-size:1rem}.score-card-calibration{margin-top:1rem}.calibration-bar-track{position:relative;width:100%;height:12px;border-radius:6px;background:linear-gradient(90deg,#ef4444,#f97316,#eab308,#84cc16,#22c55e);border:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.calibration-bar-track:hover{transform:scaleY(1.1);box-shadow:0 0 12px #fff3}.calibration-bar-marker{position:absolute;top:50%;transform:translate(-50%,-50%);width:16px;height:16px;background:#fff;border-radius:50%;box-shadow:0 2px 8px #0000004d;border:2px solid #1a1a2e}.calibration-score-label{display:inline-flex;align-items:center;gap:.375rem;background:none;border:none;font-size:.8125rem;color:#ffffffb3;cursor:pointer;padding:0;transition:color .15s ease}.calibration-score-label:hover{color:#fff}.calibration-info-icon{font-size:.875rem}.breakdown-section-header{font-size:.75rem;font-weight:600;letter-spacing:.1em;color:var(--text-tertiary);margin-bottom:1rem;text-transform:uppercase}.judgements-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.breakdown-card{position:relative;background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:16px;padding:1.25rem;border:2px solid transparent;background-clip:padding-box}.breakdown-card:before{content:"";position:absolute;inset:-2px;border-radius:18px;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);z-index:-1}.breakdown-card.hit:before{background:linear-gradient(135deg,#4ecdc4,#44a08d)}.breakdown-card.miss:before{background:linear-gradient(135deg,#df1b41,#b91c3a)}.breakdown-header{margin-bottom:1rem}.breakdown-question{margin:0;font-size:.9375rem;font-weight:500;color:#ffffffe6;line-height:1.4}.breakdown-points{position:absolute;top:-.5rem;right:-.5rem;padding:.375rem .75rem;border-radius:8px;font-size:.75rem;font-weight:700;letter-spacing:.03em;white-space:nowrap;z-index:10;box-shadow:0 4px 12px #0000004d}.breakdown-points.hit{background:#4ecdc4;color:#0a2540}.breakdown-points.miss{background:#df1b41;color:#fff}.breakdown-bar-container{position:relative;margin-bottom:1rem;padding-top:2.5rem}.breakdown-answer-tooltip{position:absolute;top:0;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;z-index:2}.breakdown-answer-tooltip.outside{left:50%}.breakdown-answer-tooltip.outside.left{left:0;transform:translate(0)}.breakdown-answer-tooltip.outside.left .breakdown-answer-arrow{left:10px;transform:none}.breakdown-answer-tooltip.outside.right{left:100%;transform:translate(-100%)}.breakdown-answer-tooltip.outside.right .breakdown-answer-arrow{left:auto;right:10px;transform:none}.breakdown-answer-bubble{background:#fff;color:var(--text-primary);padding:.375rem .625rem;border-radius:6px;font-size:1rem;font-weight:700;font-family:SF Mono,Monaco,Courier New,monospace;box-shadow:0 4px 12px #0003}.breakdown-answer-link{color:var(--text-primary);text-decoration:none}.breakdown-answer-link:hover{color:var(--primary);text-decoration:underline}.breakdown-answer-arrow{position:relative;left:50%;transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid white}.breakdown-bar-track{position:relative;height:8px;border-radius:4px;background:#fff3;overflow:visible}.breakdown-bar-range{position:absolute;top:0;left:0;right:0;height:100%;border-radius:4px;opacity:.9}.breakdown-bar-marker{position:absolute;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;background:#fff;border-radius:50%;box-shadow:0 2px 8px #0000004d;border:2px solid var(--primary)}.breakdown-bounds{display:flex;justify-content:space-between;margin-top:.5rem}.breakdown-bound-label{font-size:.8125rem;font-weight:600;color:#ffffffb3;font-family:SF Mono,Monaco,Courier New,monospace}.breakdown-metadata{display:flex;align-items:center;gap:.5rem;padding-top:.75rem;border-top:1px solid rgba(255,255,255,.1);font-size:.75rem;color:#fff9}.breakdown-meta-label{color:#fff6}.breakdown-meta-divider{color:#fff3}.breakdown-meta-spacer{flex:1}.breakdown-meta-unit{color:#ffffff80;font-style:italic}.judgement-card{background:linear-gradient(135deg,#ffffff40,#ffffff1f,#ffffff2e);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);padding:.75rem 1rem;border-radius:16px;border:1px solid rgba(255,255,255,.3);box-shadow:0 8px 32px #0000001f,inset 0 1px #ffffff80,inset 0 -1px #ffffff26;transition:all .15s ease;opacity:1;position:relative}.judgement-card:hover{box-shadow:0 12px 40px #00000026,inset 0 1px #ffffff80,inset 0 -1px #ffffff26}.judgement-card.hit{border-color:#00d92466;box-shadow:0 8px 32px #00d9241a,inset 0 1px #ffffff80,inset 0 -1px #ffffff26}.judgement-card.miss{border-color:#df1b4166;box-shadow:0 8px 32px #df1b411a,inset 0 1px #ffffff80,inset 0 -1px #ffffff26}.judgement-prompt{font-size:1rem;font-weight:600;margin-bottom:.5rem;padding:.5rem .75rem;color:var(--text-primary);letter-spacing:-.02em;text-align:center;line-height:1.35;border-radius:10px;background:#ffffffd9;box-shadow:0 2px 8px #0000000f}.judgement-unit{font-size:.6875rem;color:var(--text-secondary);margin-top:0;text-align:center;font-weight:500;background:transparent;padding:0;border-radius:0;display:inline}.judgement-visual{display:flex;flex-direction:column;gap:.5rem;align-items:center;margin:.5rem 0 .25rem}.judgement-guess-display{font-size:1.5rem;font-weight:600;color:var(--text-primary);text-align:center;letter-spacing:-.02em;display:flex;flex-direction:row;align-items:baseline;gap:.5rem;background:#ffffffd9;padding:.375rem .75rem;border-radius:10px;box-shadow:0 2px 8px #0000000f}.judgement-answer-link{text-decoration:none;cursor:pointer;transition:all .2s ease;position:relative}.judgement-answer-link:hover{color:var(--primary)}.judgement-answer-link:hover .judgement-guess-value{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}.judgement-guess-value{font-family:SF Mono,Monaco,Courier New,monospace}.judgement-range-visualization{position:relative;width:100%;height:90px;display:flex;align-items:flex-start;padding:8px 40px 0}.judgement-range-line{position:absolute;top:35px;left:25%;right:25%;height:2px;background:var(--border)}.judgement-range-span{position:absolute;top:35px;height:4px;transform:translateY(-50%);border-radius:2px;opacity:.6}.judgement-true-answer-marker{position:absolute;top:35px;transform:translate(-50%,-50%);z-index:3}.judgement-true-answer-dot{width:12px;height:12px;background:var(--primary);border:2px solid white;border-radius:50%;box-shadow:0 2px 6px #0003}.judgement-true-answer-marker.outside-bounds .judgement-true-answer-dot{opacity:.7;background:transparent;border:2px dashed var(--primary)}.judgement-range-bound{position:absolute;top:35px;transform:translate(-50%,-100%);display:flex;flex-direction:column;align-items:center;z-index:2}.judgement-range-bound-dot{width:8px;height:8px;border-radius:50%;border:2px solid white;box-shadow:0 2px 6px #0003;margin-top:4px;margin-bottom:-4px}.judgement-range-bound-label{padding:.25rem .5rem;border-radius:5px;color:#fff;font-size:.8125rem;font-weight:600;white-space:nowrap;box-shadow:0 2px 8px #00000026}.judgement-answer-below{position:absolute;top:48px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;text-decoration:none;z-index:4}.judgement-answer-value{font-size:1.25rem;font-weight:700;color:var(--text-primary);font-family:SF Mono,Monaco,Courier New,monospace;background:#ffffffd9;padding:.25rem .5rem;border-radius:6px;box-shadow:0 2px 8px #0000000f}a.judgement-answer-below:hover .judgement-answer-value{text-decoration:underline;color:var(--primary)}.judgement-answer-unit{font-size:.625rem;color:var(--text-secondary);margin-top:.125rem;background:#ffffffd9;padding:.125rem .375rem;border-radius:4px}.judgement-answer-below.outside-bounds{left:50%}.judgement-points-center{position:absolute;bottom:.75rem;right:.75rem;display:flex;align-items:baseline;gap:.25rem;background:#ffffffd9;padding:.25rem .5rem;border-radius:6px;box-shadow:0 2px 8px #0000000f}.judgement-points-center.score-hit{border:1px solid var(--success)}.judgement-points-center.score-miss{border:1px solid var(--error)}.judgement-points-value{font-size:1rem;font-weight:700;color:var(--text-primary);font-family:SF Mono,Monaco,Courier New,monospace}.judgement-points-label{font-size:.625rem;font-weight:600;text-transform:uppercase;color:var(--text-secondary)}.judgement-score-display{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.125rem;padding:.5rem .75rem;border-radius:6px;border:1px solid var(--border);background:#ffffffd9;box-shadow:0 2px 8px #0000000f}.judgement-score-display.score-hit{border-color:var(--success);background:#ffffffe6}.judgement-score-display.score-miss{border-color:var(--error);background:#ffffffe6}.judgement-score-value{font-size:1.25rem;font-weight:700;color:var(--text-primary);font-family:SF Mono,Monaco,Courier New,monospace;letter-spacing:-.03em;line-height:1}.judgement-score-label{font-size:.625rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.judgement-score-display-bottom{position:absolute;bottom:1rem;right:1rem;display:flex;flex-direction:column;align-items:center;gap:.125rem;padding:.375rem .625rem;border-radius:6px;border:1px solid var(--border);background:#ffffffd9;box-shadow:0 2px 8px #0000000f}.judgement-score-display-bottom.score-hit{border-color:var(--success);background:#ffffffe6}.judgement-score-display-bottom.score-miss{border-color:var(--error);background:#ffffffe6}.judgement-learn-more{text-align:right;margin-top:1.5rem}.learn-more-link{color:var(--primary);text-decoration:none;font-size:.9375rem;font-weight:500;transition:color .2s ease}.learn-more-link:hover{color:var(--primary-hover);text-decoration:underline}.judgement-details{display:grid;gap:.625rem;font-size:.875rem}.interval,.true-value,.score-row,.precision-row,.community-stats-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0}.label{color:var(--text-secondary);font-weight:500}.value{color:var(--text-primary);font-weight:600;font-family:SF Mono,Monaco,Courier New,monospace;font-size:.9375rem}.score-value{font-weight:700;font-family:SF Mono,Monaco,Courier New,monospace;font-size:1rem}.score-value.positive{color:#00a81c}.score-value.negative,.score-value.zero{color:var(--text-tertiary)}.precision-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0}.precision-label-hover{position:relative;display:inline-flex;align-items:center;gap:.375rem;cursor:help}.precision-tooltip-trigger{color:var(--text-tertiary);font-size:.875rem;transition:color .2s ease}.precision-label-hover:hover .precision-tooltip-trigger{color:var(--primary)}.precision-tooltip{position:absolute;left:0;top:100%;margin-top:.75rem;padding:.625rem 1rem;background:var(--text-primary);color:var(--surface);font-size:.8125rem;font-weight:500;border-radius:8px;white-space:nowrap;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease;z-index:10;box-shadow:0 10px 25px #00000026,0 4px 8px #0000001a;pointer-events:none;line-height:1.4}.precision-tooltip:before{content:"";position:absolute;bottom:100%;left:1.25rem;border:6px solid transparent;border-bottom-color:var(--text-primary)}.precision-label-hover:hover .precision-tooltip{opacity:1;visibility:visible;transform:translateY(0)}.question-source{display:flex;align-items:center;gap:.5rem;padding:.75rem 0 0;border-top:1px solid var(--border);margin-top:.75rem;font-size:.8125rem}.source-label{color:var(--text-tertiary);font-weight:500}.source-link{color:var(--primary);text-decoration:none;font-weight:500;transition:color .2s ease}.source-link:hover{color:var(--primary-hover);text-decoration:underline}.source-text{color:var(--text-secondary);font-weight:500}.community-stats-divider{border-top:1px solid var(--border);margin:.75rem 0}.community-stats-row{padding:.375rem 0}.community-stats-row .label{font-size:.8125rem;color:var(--text-tertiary)}.community-value{color:var(--text-secondary);font-weight:600;font-size:.9375rem}.result-badge{padding:.5rem 1rem;border-radius:6px;font-weight:600;text-align:center;margin-top:.5rem;font-size:.8125rem;letter-spacing:.3px}.result-badge.hit{background:#00d9241a;color:#00a81c;border:1px solid rgba(0,217,36,.3)}.result-badge.miss{background:#df1b411a;color:#c41638;border:1px solid rgba(223,27,65,.3)}.restart-button{width:100%;padding:.875rem 1.5rem;font-size:.9375rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease;letter-spacing:.01em;box-shadow:var(--shadow-sm)}.restart-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.restart-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.explore-button{width:100%;padding:1rem 1.5rem;font-size:1rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .15s ease;letter-spacing:.01em;box-shadow:var(--shadow-sm)}.explore-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.explore-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.share-score-card{width:400px;border-radius:16px;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.share-card-content{padding:2rem;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.share-card-header{display:flex;flex-direction:column;align-items:center;gap:.25rem}.share-card-logo{font-size:2rem;font-weight:700;color:#fff;letter-spacing:-.02em}.share-card-tagline{font-size:.5rem;color:#8898aa;text-transform:uppercase;letter-spacing:.08em}.share-card-score{display:flex;flex-direction:column;align-items:center;gap:.25rem}.share-card-score-value{font-size:4rem;font-weight:700;color:#635bff;line-height:1}.share-card-score-label{font-size:1rem;color:#8898aa;text-transform:uppercase;letter-spacing:.05em}.share-card-percentile{margin-top:-.5rem}.share-card-percentile-value{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.share-card-stats{display:flex;gap:2rem}.share-card-stat{display:flex;flex-direction:column;align-items:center;gap:.125rem}.share-card-stat-value{font-size:.875rem;font-weight:600;color:#fff}.share-card-stat-label{font-size:.5rem;color:#8898aa;text-transform:uppercase;letter-spacing:.05em}.share-card-player{padding:.5rem 1rem;background:#635bff26;border-radius:20px}.share-card-player-name{font-size:.875rem;font-weight:600;color:#635bff}.share-card-footer{font-size:.6875rem;color:#5a6875;letter-spacing:.02em}.explore-container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem;animation:fadeIn .4s ease-out}.explore-header{text-align:center;margin-bottom:3rem}.explore-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem;letter-spacing:-.02em}.explore-subtitle{font-size:1.125rem;color:var(--text-secondary);font-weight:500}.explore-content{min-height:400px;display:flex;align-items:center;justify-content:center}.placeholder-content{text-align:center;padding:3rem;background:var(--surface);border-radius:12px;border:2px dashed var(--border)}.placeholder-content h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:1rem}.placeholder-content p{font-size:1rem;color:var(--text-secondary)}.loading,.error{text-align:center;padding:3rem 2rem;background:var(--surface);border-radius:8px;border:1px solid var(--border);box-shadow:var(--shadow-md)}.loading{color:var(--text-secondary);font-size:1rem;font-weight:500}.error{color:var(--error)}.loading-orb-container{display:flex;justify-content:center;align-items:center;perspective:800px;padding:3rem}.loading-orb{width:120px;height:120px;position:relative;transform-style:preserve-3d;animation:loading-orb-spin 5s linear infinite}@keyframes loading-orb-spin{0%{transform:rotateY(0) rotateX(15deg)}to{transform:rotateY(360deg) rotateX(15deg)}}.loading-orb-dot{position:absolute;top:50%;left:50%;width:6px;height:6px;margin:-3px;background:var(--primary);border-radius:50%;box-shadow:0 0 8px var(--primary),0 0 12px #635bff66;transition:transform .5s ease-out,opacity .5s ease-out}.loading-orb.bursting{animation:none}.error p{margin-bottom:1.5rem;font-size:1rem;font-weight:500}.retry-button{padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease;box-shadow:var(--shadow-sm)}.retry-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}@media (max-width: 1024px){.results-container{grid-template-columns:1fr;gap:2rem}.results-sidebar-column{position:static}.score-top-row{gap:1rem}.score-top-row .stat-primary{flex:1 1 160px;min-width:140px}.score-top-row .stat-rank,.score-top-row .stat-calibration-small{flex:1 1 100px;min-width:90px}.stat-row-horizontal{grid-template-columns:repeat(2,1fr);gap:1.5rem}.performance-chart{max-width:100%}}@media (max-width: 640px){html,body,#root{position:fixed;inset:0;overflow:hidden}.question-card-wrapper{position:fixed;top:90px;left:0;right:0;padding:0 1rem;z-index:10}.game-container{overflow:hidden;position:fixed;inset:0}.question-card{padding:1rem 1.25rem}.question-prompt{font-size:1.125rem;margin-bottom:.375rem}.question-header{padding:.875rem 1rem;margin-bottom:.75rem}.inputs-container{flex-direction:row;align-items:flex-end;gap:.5rem}.input-separator{text-align:center;padding-bottom:.75rem}.input-group{margin-bottom:0}.bound-input{padding:.75rem;min-height:48px}.daily-score-card{padding:2rem 1.5rem}.score-layout{gap:1.5rem}.score-top-row{gap:.75rem}.score-top-row .stat-primary{flex:1 1 120px;min-width:100px;max-width:none}.score-top-row .stat-rank,.score-top-row .stat-calibration-small{flex:1 1 80px;min-width:75px;max-width:none}.stat-value-large{font-size:2.5rem}.stat-value-rank{font-size:1.5rem}.stat-value-calibration-small{font-size:1.25rem}.stat-value-calibration{font-size:2.5rem}.stat-primary{padding:1rem .75rem}.stat-rank,.stat-calibration-small{padding:.75rem .5rem}.stat-label{font-size:.6875rem}.stat-row-horizontal{grid-template-columns:1fr;gap:1rem}.stat-value-small{font-size:1.125rem}.performance-chart{padding:1rem}.chart-title{font-size:.9375rem}}.leaderboard-container{padding:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-sm);height:fit-content}.leaderboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.leaderboard-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.user-rank-badge{padding:.375rem .875rem;background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;font-size:.875rem;font-weight:600;border-radius:20px;box-shadow:0 2px 8px #6366f140}.leaderboard-list{display:flex;flex-direction:column;gap:.5rem}.leaderboard-entry{display:grid;grid-template-columns:60px 1fr 120px;align-items:center;padding:.875rem 1rem;background:#fff;border:1px solid var(--border);border-radius:6px;transition:all .2s ease}.leaderboard-entry:hover{background:var(--surface);transform:translate(2px);border-color:var(--primary-light)}.leaderboard-entry.user-entry{background:linear-gradient(135deg,#6366f114,#6366f10a);border:2px solid var(--primary);box-shadow:0 2px 12px #6366f126;transform:scale(1.02)}.leaderboard-entry.user-entry:hover{transform:scale(1.02) translate(2px);background:linear-gradient(135deg,#6366f11f,#6366f10f)}.leaderboard-rank{display:flex;align-items:center}.rank-number{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.rank-number.rank-1{color:#fbbf24;font-size:1.1rem;font-weight:700}.rank-number.rank-2{color:#94a3b8;font-size:1rem;font-weight:700}.rank-number.rank-3{color:#cd7f32;font-size:1rem;font-weight:700}.leaderboard-score{font-size:1.1rem;font-weight:600;color:var(--primary);text-align:left}.leaderboard-time{font-size:.85rem;color:var(--text-secondary);text-align:right}.leaderboard-loading,.leaderboard-error,.leaderboard-empty{padding:2rem;text-align:center;color:var(--text-secondary);font-size:.95rem}.leaderboard-error{color:var(--error)}.dual-leaderboard{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-top:1.5rem}.leaderboard-tabs{display:flex;border-bottom:1px solid var(--border)}.leaderboard-tab{flex:1;padding:1rem;background:transparent;border:none;font-size:.875rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;position:relative}.leaderboard-tab:hover{color:var(--text-primary);background:var(--background)}.leaderboard-tab.active{color:var(--primary);background:var(--background)}.leaderboard-tab.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--primary)}.dual-leaderboard .leaderboard-list{padding:.75rem;display:flex;flex-direction:column;gap:.5rem;max-height:400px;overflow-y:auto}.dual-leaderboard .leaderboard-entry{display:grid;grid-template-columns:50px 1fr auto auto;align-items:center;gap:.75rem;padding:.75rem;background:#fff;border:1px solid var(--border);border-radius:8px}.dual-leaderboard .leaderboard-entry-guess{grid-template-columns:50px 1fr auto auto}.dual-leaderboard .leaderboard-name{font-weight:600;color:var(--text-primary);font-size:.875rem}.dual-leaderboard .leaderboard-score{font-weight:700;color:var(--primary);font-size:.9375rem}.dual-leaderboard .leaderboard-meta{font-size:.75rem;color:var(--text-tertiary);text-align:right;min-width:60px}.leaderboard-guess-info{display:flex;flex-direction:column;gap:.125rem;min-width:0}.leaderboard-question{font-size:.75rem;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dual-leaderboard .leaderboard-loading,.dual-leaderboard .leaderboard-empty,.dual-leaderboard .leaderboard-error{padding:2rem;text-align:center;color:var(--text-secondary)}.modal-overlay{position:fixed;inset:0;background:#0a2540d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .2s ease-out}.modal-content{background:var(--surface);border-radius:12px;box-shadow:var(--shadow-lg),0 0 30px #635bff4d;max-width:800px;width:92%;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .3s ease-out}.modal-content::-webkit-scrollbar{display:none}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:2.5rem 3.5rem 1.5rem;border-bottom:1px solid var(--border)}.modal-title{font-size:1.75rem;font-weight:600;color:var(--text-primary);letter-spacing:-.02em;margin:0 0 .5rem}.modal-subtitle{font-size:.75rem;font-weight:500;color:var(--text-secondary);margin:0}.modal-header-horizontal{display:flex;align-items:center;gap:1.5rem}.modal-header-horizontal .modal-title{margin:0;font-size:2.5rem}.modal-subtitle-stack{display:flex;flex-direction:column;gap:.125rem;font-size:.75rem;font-weight:500;color:var(--text-secondary)}.modal-close-button{margin-left:auto;background:none;border:none;font-size:1.75rem;color:var(--text-tertiary);cursor:pointer;padding:.25rem .5rem;line-height:1;border-radius:4px;transition:color .15s,background .15s}.modal-close-button:hover{color:var(--text-primary);background:var(--background)}.modal-tabs{display:flex;gap:0}.modal-tab{flex:1;padding:1.25rem 2rem;font-size:1.0625rem;font-weight:600;color:var(--text-secondary);background:none;border:none;border-bottom:3px solid transparent;cursor:pointer;transition:all .15s ease;position:relative}.modal-tab:hover{color:var(--text-primary);background:var(--background)}.modal-tab-active{color:var(--primary);border-bottom-color:var(--primary)}.modal-tab-active:hover{background:none}.modal-body{padding:3rem 3.5rem;overflow-y:auto;flex:1;scrollbar-width:none;-ms-overflow-style:none}.modal-body::-webkit-scrollbar{display:none}.modal-intro{font-size:1.1875rem;line-height:1.7;color:var(--text-primary);margin-bottom:2.5rem}.answer-visual{background:var(--background);border-radius:12px;padding:2rem;margin-top:1.5rem}.answer-diagram{max-width:500px;margin:0 auto}.answer-question-example{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem;text-align:left}.answer-unit-example{background:var(--surface);border-radius:6px;padding:.75rem 1rem;margin-bottom:1.5rem;font-size:.9375rem;color:var(--text-tertiary);display:inline-block}.unit-value{color:var(--text-primary);font-weight:600}.answer-bounds{display:flex;align-items:flex-end;gap:1.5rem;margin-top:1.5rem}.answer-bound-container{flex:1;display:flex;flex-direction:column;gap:.5rem}.answer-bound-label{font-size:.8125rem;font-weight:600;color:var(--text-secondary);text-align:center}.answer-input-demo{padding:1rem 1.25rem;background:var(--surface);border:2px solid var(--border);border-radius:8px;font-size:1.25rem;font-weight:400;color:var(--text-tertiary);text-align:center}.answer-to{font-size:1rem;color:var(--text-tertiary);font-weight:500;padding-bottom:.75rem}.demo-steps{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.demo-step{display:flex;gap:.75rem;padding:.875rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;opacity:.5;transition:all .3s ease}.demo-step-active{opacity:1;border-color:var(--accent);background:#6366f10d}.demo-step-complete{opacity:.85}.demo-step-highlight{animation:stepPulse .5s ease}@keyframes stepPulse{0%,to{transform:scale(1)}50%{transform:scale(1.01)}}.demo-step-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--border);border-radius:50%;font-size:.75rem;font-weight:600;color:var(--text-secondary);flex-shrink:0}.demo-step-active .demo-step-number{background:var(--accent);color:#fff}.demo-step-complete .demo-step-number{background:var(--success, #10b981);color:#fff}.demo-step-content{flex:1;display:flex;flex-direction:column;gap:.5rem}.demo-step-label{font-size:.8125rem;font-weight:500;color:var(--text-secondary)}.demo-step-active .demo-step-label{color:var(--text-primary)}.demo-estimate-input{padding:.625rem 1rem;background:var(--background);border:1px solid var(--border);border-radius:8px;font-size:1.125rem;font-weight:500;color:var(--text-primary);text-align:center}.demo-estimate-input-clickable{cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;border-color:var(--accent);transition:all .2s ease}.demo-estimate-input-clickable:hover{background:#6366f114}.demo-typing-cursor{color:var(--accent);animation:blink 1s infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.demo-tap-hint{font-size:.8125rem;color:var(--text-tertiary)}.demo-estimate-input-filled{background:#6366f114}.demo-slider-row{display:flex;align-items:center;gap:.5rem}.demo-slider-bar{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:.625rem 1rem;background:var(--background);border:1px solid var(--border);border-radius:10px;min-height:40px;overflow:hidden;user-select:none;-webkit-user-select:none}.demo-slider-bar-active{cursor:ew-resize;border-color:var(--accent)}.demo-slider-fill{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#6366f14d,#8b5cf633,#a855f726);border-radius:10px 0 0 10px;border-right:2px solid var(--accent);pointer-events:none;transition:width .05s linear}.demo-slider-fill-initial{animation:glitterEdge 1.5s ease-in-out infinite}@keyframes glitterEdge{0%,to{border-right-color:var(--accent);box-shadow:2px 0 8px #6366f166}50%{border-right-color:#8b5cf6;box-shadow:2px 0 16px #8b5cf699}}.demo-slider-value{position:relative;z-index:1;font-size:1rem;font-weight:500;color:var(--text-primary)}.demo-slider-percent{min-width:48px;font-size:.875rem;font-weight:600;color:var(--accent);text-align:right}.demo-drag-hint{display:flex;align-items:center;gap:.375rem;font-size:.75rem;color:var(--accent);animation:slideHint 1.5s ease-in-out infinite}@keyframes slideHint{0%,to{transform:translate(0);opacity:1}50%{transform:translate(4px);opacity:.7}}.demo-drag-hint svg{flex-shrink:0}.demo-bounds-display{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem;background:#6366f114;border:1px solid var(--accent);border-radius:8px}.demo-bounds-display-animate{animation:boundsAppear .4s ease-out}@keyframes boundsAppear{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.demo-bound-value{padding:.25rem .5rem;background:var(--background);border-radius:4px;font-size:.9375rem;font-weight:600;color:var(--text-primary)}.demo-bound-separator{color:var(--text-tertiary);font-weight:500}.demo-bounds-placeholder,.demo-score-placeholder{padding:.625rem;background:var(--background);border:1px dashed var(--border);border-radius:8px;font-size:.8125rem;color:var(--text-tertiary);text-align:center}.demo-score-display{display:flex;align-items:center;justify-content:center;padding:.625rem;background:linear-gradient(135deg,#10b9811a,#6366f11a);border:1px solid var(--success, #10b981);border-radius:8px;animation:scoreAppear .4s ease-out}@keyframes scoreAppear{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.demo-score-text{font-size:.875rem;font-weight:600;color:var(--success, #10b981)}.demo-reset-button{display:block;width:100%;margin-top:1rem;padding:.625rem 1rem;background:transparent;border:1px solid var(--border);border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.demo-reset-button:hover{background:var(--surface);border-color:var(--text-tertiary);color:var(--text-primary)}.demo-final-note{margin-top:1rem;padding:.75rem 1rem;background:#6366f10f;border-left:3px solid var(--accent);border-radius:0 6px 6px 0;font-size:.875rem;line-height:1.5;color:var(--text-secondary);animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.how-to-section{margin-bottom:2.5rem}.how-to-section:last-child{margin-bottom:0}.how-to-section h3{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;letter-spacing:-.01em}.how-to-section p{font-size:1.0625rem;line-height:1.7;color:var(--text-secondary);margin:0}.how-to-section ul{list-style:none;padding:0;margin:0}.how-to-section li{font-size:1.0625rem;line-height:1.7;color:var(--text-secondary);padding:.625rem 0 .625rem 1.75rem;position:relative}.how-to-section li:before{content:"•";position:absolute;left:.5rem;color:var(--primary);font-weight:700}.modal-footer{padding:2rem 3.5rem 2.5rem;border-top:1px solid var(--border);display:flex;justify-content:center}.modal-button{padding:.75rem 2rem;font-size:.9375rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease;letter-spacing:.01em;box-shadow:var(--shadow-sm)}.modal-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.modal-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.statistics-modal{max-width:700px}.statistics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.stat-item{text-align:center;padding:1rem;background:var(--background);border-radius:8px}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem}.stat-label{font-size:.8125rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.statistics-chart-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.statistics-section-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.statistics-chart-loading{text-align:center;padding:3rem;color:var(--text-tertiary)}.statistics-modal .performance-chart{overflow-x:auto}.statistics-modal .chart-svg{max-width:100%;height:auto}.settings-modal{max-width:480px}.settings-section{margin-bottom:2rem}.settings-section:last-child{margin-bottom:0}.settings-section-title{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}.settings-item{margin-bottom:1rem}.settings-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.settings-value{font-size:1rem;color:var(--text-primary)}.settings-value-row{display:flex;align-items:center;gap:1rem}.settings-edit-row{display:flex;align-items:center;gap:.5rem}.settings-input{flex:1;padding:.5rem .75rem;font-size:1rem;border:1px solid var(--border);border-radius:6px;background:var(--background);color:var(--text-primary)}.settings-input:focus{outline:none;border-color:var(--primary)}.settings-edit-button,.settings-save-button,.settings-cancel-button{padding:.375rem .75rem;font-size:.8125rem;font-weight:500;border:none;border-radius:4px;cursor:pointer;transition:all .15s ease}.settings-edit-button{background:#ffffff1a;color:var(--text-secondary)}.settings-edit-button:hover{background:#ffffff26;color:var(--text-primary)}.settings-save-button{background:var(--primary);color:#fff}.settings-save-button:hover{background:var(--primary-hover)}.settings-save-button:disabled{opacity:.6;cursor:not-allowed}.settings-cancel-button{background:transparent;color:var(--text-tertiary)}.settings-cancel-button:hover{color:var(--text-secondary)}.settings-error{margin-top:.5rem;font-size:.8125rem;color:var(--error)}.settings-success{margin-top:.5rem;font-size:.8125rem;color:var(--success, #4ade80)}.settings-radio-group{display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem}.settings-radio-option{display:flex;flex-direction:column;padding:.75rem 1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;transition:all .15s ease}.settings-radio-option:hover{background:#ffffff0f;border-color:#fff3}.settings-radio-option-active{background:#635bff1a;border-color:var(--primary)}.settings-radio-option input[type=radio]{position:absolute;opacity:0;pointer-events:none}.settings-radio-label{font-size:.9375rem;font-weight:500;color:var(--text-primary)}.settings-radio-description{font-size:.8125rem;color:var(--text-secondary);margin-top:.25rem}.settings-logout-button{padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3);border-radius:6px;cursor:pointer;transition:all .15s ease}.settings-logout-button:hover{background:#ef444433;border-color:#ef444480}.scoring-visual{background:var(--background);border-radius:8px;padding:2rem 1rem 2rem 2.5rem;margin:1.5rem 0 2rem}.scoring-example-label{text-align:center;font-size:.9375rem;color:var(--text-tertiary);margin:0 0 .5rem}.scoring-scale{position:relative}.correct-answer-indicator{position:absolute;top:0;transform:translate(-50%);z-index:5;display:flex;flex-direction:column;align-items:center}.correct-answer-label{font-size:.75rem;font-weight:600;color:var(--primary);background:var(--surface);padding:.25rem .5rem;border-radius:4px;white-space:nowrap;margin-bottom:.5rem;border:1px solid var(--primary)}.correct-answer-line{width:2px;height:calc(100% + 3rem);background:var(--primary);opacity:.3}.scoring-scale-labels{position:relative;margin-bottom:1rem;font-size:.8125rem;color:var(--text-tertiary);font-weight:500;height:3rem}.scoring-scale-labels>span{position:absolute;transform:translate(-50%);top:0}.scoring-true-value{position:absolute;top:-2.5rem;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.25rem;z-index:10}.scoring-true-marker{width:2px;height:4rem;background:var(--primary);border-radius:2px}.scoring-true-label{font-weight:700;color:var(--primary);font-size:.875rem;white-space:nowrap;background:var(--background);padding:.25rem .5rem;border-radius:4px}.scoring-ranges{display:flex;flex-direction:column;gap:1rem;margin-top:0;padding-top:0}.scoring-range-row{display:grid;grid-template-columns:3rem 1fr 4rem;gap:.75rem;align-items:center;margin-bottom:1rem}.scoring-range-row-no-label{grid-template-columns:1fr 4rem}.scoring-column-headers{display:grid;grid-template-columns:3rem 1fr 4rem;gap:.75rem;margin-bottom:-1rem;font-weight:600;font-size:.875rem;color:var(--text-secondary)}.scoring-column-headers span:first-child{text-align:center}.scoring-column-headers span:last-child{text-align:center}.scoring-column-headers-no-label{grid-template-columns:1fr 4rem}.scoring-range-label-left{font-weight:600;font-size:1rem;color:var(--text-secondary);text-align:center}.scoring-range-visualization{position:relative;height:4rem;display:flex;align-items:center}.scoring-range-line{position:absolute;left:0;right:0;height:2px;background:var(--border);top:50%;transform:translateY(-50%)}.scoring-range-bound{position:absolute;top:50%;z-index:2}.scoring-range-bound-dot{position:absolute;width:10px;height:10px;border-radius:50%;border:2px solid white;box-shadow:0 2px 4px #0003;left:0;top:0;transform:translate(-50%,-50%)}.scoring-range-bound-label{font-size:.875rem;font-weight:600;white-space:nowrap;padding:.25rem .5rem;border-radius:4px;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.2);position:absolute;top:.75rem}.scoring-range-bound-lower .scoring-range-bound-label{right:0}.scoring-range-bound-upper .scoring-range-bound-label{left:0}.scoring-range-span{position:absolute;height:6px;top:50%;transform:translateY(-50%);opacity:.3;border-radius:3px}.scoring-true-answer-marker{position:absolute;top:50%;z-index:3}.scoring-true-answer-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);border:2px solid white;box-shadow:0 2px 4px #0000004d;transform:translate(-50%,-50%)}.scoring-range-score{font-weight:700;font-size:1.25rem;white-space:nowrap;text-align:center}.scoring-explanation{background:#635bff0d;border-left:3px solid var(--primary);padding:1.25rem 1.5rem;border-radius:6px;margin-top:2rem}.scoring-explanation p{font-size:1.0625rem;line-height:1.7;color:var(--text-secondary);margin:0}@media (max-width: 640px){.modal-overlay{align-items:center;padding:1rem}.modal-content{width:92%;max-height:85vh;border-radius:12px;margin:0}.modal-header{padding:1.25rem 1.25rem 1rem}.modal-title{font-size:1.5rem}.modal-header-horizontal{gap:.75rem}.modal-header-horizontal .modal-title{font-size:1.75rem;flex-shrink:0}.modal-subtitle-stack{font-size:.6875rem;min-width:0}.modal-subtitle{font-size:.9375rem}.modal-body,.modal-footer{padding:1.25rem}.statistics-grid{grid-template-columns:repeat(2,1fr)}.stat-value{font-size:1.5rem}.answer-visual{padding:1.25rem 1rem}.answer-question-example{font-size:1.25rem}.answer-bounds{gap:1rem}.answer-input-demo{padding:.75rem 1rem;font-size:1rem}.scoring-visual{padding:1.25rem .75rem 1.25rem 2rem}.scoring-range-row{grid-template-columns:2rem 1fr 3.5rem;gap:.5rem;margin-bottom:1.5rem}.scoring-range-row-no-label,.scoring-column-headers-no-label{grid-template-columns:1fr 3.5rem}.scoring-range-label-left{font-size:.875rem}.scoring-range-score{font-size:1rem}.scoring-range-bound-label{font-size:.65rem;padding:.2rem .35rem}.how-to-section h3{font-size:1.125rem}.how-to-section p,.modal-intro{font-size:.9375rem}.scoring-formula{padding:1rem!important}.scoring-formula div{font-size:.85rem!important}}.auth-modal{max-width:420px}.auth-modal h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:1.5rem 1.5rem .5rem;text-align:center}.auth-modal-subtitle{font-size:.9375rem;color:var(--text-secondary);text-align:center;margin:0 1.5rem 1.5rem}.auth-form{padding:0 1.5rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.form-group input{width:100%;padding:.75rem 1rem;font-size:1rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text-primary);transition:all .15s ease}.form-group input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #635bff1a}.auth-error{background:#df1b4114;border:1px solid rgba(223,27,65,.2);color:var(--error);padding:.75rem 1rem;border-radius:6px;font-size:.875rem;margin-bottom:1rem}.auth-submit-button{width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease;margin-top:.5rem}.auth-submit-button:hover:not(:disabled){background:var(--primary-hover)}.auth-submit-button:disabled{background:var(--text-tertiary);cursor:not-allowed}.auth-toggle{text-align:center;padding:1.5rem;color:var(--text-secondary);font-size:.9375rem}.auth-toggle-button{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;font-size:inherit}.auth-toggle-button:hover{text-decoration:underline}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;color:var(--text-tertiary);cursor:pointer;padding:.25rem .5rem;border-radius:4px;line-height:1}.modal-close:hover{background:var(--background);color:var(--text-primary)}.profile-container{flex:1;max-width:800px;width:100%;margin:0 auto;padding:2rem 1.5rem;animation:fadeIn .4s ease-out}.profile-header{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--border);position:relative}.profile-info{flex:1}.profile-settings{position:relative}.settings-gear-btn{background:none;border:none;cursor:pointer;padding:.5rem;border-radius:50%;transition:all .15s ease;color:var(--text-tertiary);display:flex;align-items:center;justify-content:center}.settings-gear-btn:hover{background:var(--background);color:var(--text-primary)}.settings-dropdown{position:absolute;top:100%;right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-lg);min-width:160px;z-index:100;overflow:hidden;margin-top:.5rem}.settings-dropdown-item{display:block;width:100%;padding:.75rem 1rem;font-size:.9375rem;color:var(--text-primary);background:none;border:none;text-align:left;cursor:pointer;transition:background .15s ease}.settings-dropdown-item:hover{background:var(--background)}.settings-logout{color:var(--error);border-top:1px solid var(--border)}.settings-logout:hover{background:#df1b4114}.profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;flex-shrink:0}.profile-info h1{font-size:1.75rem;font-weight:600;color:var(--text-primary);margin:0 0 .25rem;display:flex;align-items:center;gap:.5rem}.profile-email{font-size:.9375rem;color:var(--text-secondary);margin:0}.profile-badge{display:inline-block;padding:.25rem .75rem;font-size:.75rem;font-weight:600;border-radius:12px;text-transform:uppercase;letter-spacing:.5px}.guest-badge{background:#635bff1a;color:var(--primary)}.profile-edit-btn{background:none;border:none;cursor:pointer;font-size:1rem;padding:.25rem;opacity:.5;transition:opacity .2s}.profile-edit-btn:hover{opacity:1}.profile-edit-name{display:flex;align-items:center;gap:.5rem}.profile-edit-name input{font-size:1.5rem;padding:.5rem;border:1px solid var(--border);border-radius:6px}.profile-save-btn,.profile-cancel-btn{padding:.5rem 1rem;font-size:.875rem;border-radius:6px;cursor:pointer;border:none}.profile-save-btn{background:var(--primary);color:#fff}.profile-cancel-btn{background:var(--background);color:var(--text-secondary)}.profile-cta{background:linear-gradient(135deg,#635bff14,#635bff0a);border:1px solid var(--primary);border-radius:12px;padding:1.5rem 2rem;margin-bottom:2rem;text-align:center}.profile-cta h3{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.profile-cta p{color:var(--text-secondary);margin:0 0 1rem}.profile-cta-button{padding:.75rem 2rem;font-size:1rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .15s ease}.profile-cta-button:hover{background:var(--primary-hover)}.profile-stats{margin-bottom:2rem}.profile-stats h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0 0 1rem}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;text-align:center}.stat-card .stat-value{font-size:1.75rem;font-weight:700;color:var(--primary);line-height:1;margin-bottom:.25rem}.stat-card .stat-label{font-size:.75rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.profile-actions{padding-top:2rem;border-top:1px solid var(--border)}.logout-button{padding:.75rem 1.5rem;font-size:.9375rem;font-weight:500;background:var(--background);color:var(--text-secondary);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s ease}.logout-button:hover{background:#df1b4114;border-color:var(--error);color:var(--error)}.profile-empty{text-align:center;padding:3rem}.profile-performance{margin-top:2rem}.profile-performance h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0 0 1rem}.profile-performance .performance-chart{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.5rem}@media (max-width: 640px){.profile-header{flex-direction:column;text-align:center}.profile-info h1{justify-content:center}.stats-grid{grid-template-columns:repeat(2,1fr)}.navbar-actions{gap:.5rem}.nav-button{padding:.5rem .75rem;font-size:.8125rem}}.view-toggle{display:flex;background:var(--background);border-radius:8px;padding:4px;gap:4px}.view-toggle-btn{flex:1;padding:.625rem 1rem;background:transparent;border:none;border-radius:6px;font-size:.875rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.view-toggle-btn:hover{color:var(--text-primary)}.view-toggle-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}.leaderboard-section{display:flex;flex-direction:column;gap:1rem}.leaderboard-avg-banner{background:linear-gradient(135deg,#635bff14,#635bff0a);border:1px solid rgba(99,91,255,.2);border-radius:8px;padding:.75rem 1rem;text-align:center;font-size:.9375rem;color:var(--text-secondary)}.leaderboard-avg-banner strong{color:var(--primary);font-weight:700}.leaderboard-subtabs{display:flex;gap:.5rem}.leaderboard-subtab{flex:1;padding:.5rem .75rem;background:transparent;border:1px solid var(--border);border-radius:6px;font-size:.8125rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.leaderboard-subtab:hover{border-color:var(--text-tertiary);color:var(--text-primary)}.leaderboard-subtab.active{background:var(--primary);border-color:var(--primary);color:#fff}.leaderboard-list-inline{display:flex;flex-direction:column;gap:.5rem;max-height:320px;overflow-y:auto;padding-right:.25rem}.leaderboard-list-inline::-webkit-scrollbar{width:4px}.leaderboard-list-inline::-webkit-scrollbar-track{background:var(--background);border-radius:4px}.leaderboard-list-inline::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.leaderboard-entry-inline{display:grid;grid-template-columns:48px 1fr auto auto;align-items:center;gap:.75rem;padding:.625rem .75rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;transition:all .15s ease}.leaderboard-entry-inline:hover{border-color:var(--primary);background:var(--background)}.leaderboard-entry-inline.leaderboard-entry-guess{grid-template-columns:48px 1fr auto auto}.rank-badge{font-size:.8125rem;font-weight:700;color:var(--text-tertiary);text-align:center}.rank-badge.rank-1{color:#fbbf24}.rank-badge.rank-2{color:#94a3b8}.rank-badge.rank-3{color:#cd7f32}.entry-name{font-weight:600;font-size:.875rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.entry-score{font-weight:700;font-size:.9375rem;color:var(--primary);text-align:right}.entry-meta{font-size:.75rem;color:var(--text-tertiary);text-align:right;min-width:55px}.entry-guess-info{display:flex;flex-direction:column;gap:.125rem;min-width:0}.entry-question{font-size:.6875rem;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leaderboard-section .leaderboard-loading,.leaderboard-section .leaderboard-empty{padding:2rem;text-align:center;color:var(--text-secondary);font-size:.9375rem}@media (max-width: 640px){.view-toggle-btn{padding:.5rem .75rem;font-size:.8125rem}.leaderboard-entry-inline{grid-template-columns:40px 1fr auto;gap:.5rem;padding:.5rem .625rem}.leaderboard-entry-inline .entry-meta{display:none}.leaderboard-entry-inline.leaderboard-entry-guess{grid-template-columns:40px 1fr auto}.entry-score{font-size:.875rem}.rank-badge{font-size:.75rem}}.leaderboard-list-guesses{display:flex;flex-direction:column;gap:1rem;max-height:400px;overflow-y:auto;padding-right:.25rem}.leaderboard-list-guesses::-webkit-scrollbar{width:4px}.leaderboard-list-guesses::-webkit-scrollbar-track{background:var(--background);border-radius:4px}.leaderboard-list-guesses::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.best-guess-entry{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:.875rem 1rem;transition:all .15s ease}.best-guess-entry:hover{border-color:var(--primary)}.best-guess-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.best-guess-header .entry-name{flex:1}.best-guess-header .entry-score{font-size:.875rem}.best-guess-question{font-size:.8125rem;color:var(--text-secondary);margin-bottom:.75rem;line-height:1.4}.best-guess-visualization{position:relative;height:50px;margin:.75rem 0}.best-guess-range-line{position:absolute;top:50%;left:5%;right:5%;height:2px;background:var(--border);transform:translateY(-50%)}.best-guess-range-span{position:absolute;top:50%;height:6px;background:#4ecdc4;border-radius:3px;transform:translateY(-50%)}.best-guess-true-marker{position:absolute;top:50%;transform:translate(-50%,-50%);z-index:3}.best-guess-true-dot{width:10px;height:10px;background:var(--primary);border:2px solid white;border-radius:50%;box-shadow:0 0 0 2px var(--primary)}.best-guess-bound{position:absolute;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;z-index:2}.best-guess-bound-dot{width:8px;height:8px;background:#4ecdc4;border-radius:50%;border:2px solid white}.best-guess-bound-label{position:absolute;top:100%;margin-top:4px;padding:2px 6px;background:#4ecdc4;color:#fff;font-size:.6875rem;font-weight:600;border-radius:4px;white-space:nowrap}.best-guess-bound-lower .best-guess-bound-label{transform:translate(-30%)}.best-guess-bound-upper .best-guess-bound-label{transform:translate(-70%)}.best-guess-answer{font-size:.8125rem;color:var(--text-secondary);text-align:center;padding-top:.5rem;border-top:1px solid var(--border);margin-top:.5rem}.best-guess-answer strong{color:var(--primary);font-weight:700}@media (max-width: 640px){.best-guess-entry{padding:.75rem}.best-guess-visualization{height:45px;margin:.5rem 0}.best-guess-bound-label{font-size:.625rem;padding:1px 4px}}.settings-toggle-item{display:flex;align-items:center;justify-content:space-between;gap:1rem}.settings-toggle-info{flex:1}.settings-description{display:block;font-size:.8125rem;color:var(--text-tertiary);margin-top:.25rem}.settings-toggle{position:relative;width:48px;height:28px;background:var(--border);border:1px solid var(--border);border-radius:14px;cursor:pointer;transition:all .2s ease;padding:0;flex-shrink:0}.settings-toggle-slider{position:absolute;top:2px;left:2px;width:22px;height:22px;background:#fff;border-radius:50%;transition:transform .2s ease;box-shadow:0 1px 3px #0003}.settings-toggle-on{background:var(--primary);border-color:var(--primary)}.settings-toggle-on .settings-toggle-slider{transform:translate(20px)}.feedback-modal{max-width:500px}.feedback-form{display:flex;flex-direction:column}.feedback-textarea{width:100%;padding:1rem;font-size:1rem;font-family:inherit;border:1px solid var(--border);border-radius:8px;resize:vertical;min-height:180px;transition:border-color .15s ease,box-shadow .15s ease}.feedback-textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #635bff1a}.feedback-textarea::placeholder{color:var(--text-tertiary)}.feedback-textarea:disabled{background:var(--background);cursor:not-allowed}.feedback-char-count{text-align:right;font-size:.8125rem;color:var(--text-tertiary);margin-top:.5rem}.feedback-error{color:var(--error);font-size:.875rem;margin-top:.75rem}.feedback-success{text-align:center;padding:2rem 0}.feedback-success-icon{color:var(--success);margin-bottom:1rem}.feedback-success-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.feedback-success-message{color:var(--text-secondary)}.modal-button-primary{background:var(--primary);color:#fff}.modal-button-primary:disabled{background:var(--text-tertiary);cursor:not-allowed;transform:none;box-shadow:none}.modal-button-primary:disabled:hover{background:var(--text-tertiary);transform:none;box-shadow:none}.interval-viz{position:relative;width:100%;padding:1rem 1rem .5rem}.interval-answer-elevated{position:relative;height:45px;margin-bottom:.5rem}.interval-answer-elevated .interval-label{position:absolute;top:0}.interval-connector{position:absolute;top:28px;width:2px;height:25px;background:#38bdf8;transform:translate(-50%);opacity:.6}.interval-track{position:relative;height:4px;margin:.75rem 0}.interval-baseline{position:absolute;left:0;right:0;top:50%;height:1px;background:#fff3;transform:translateY(-50%)}.interval-user-range{position:absolute;height:4px;top:0;border-radius:2px}.interval-user-range.hit{background:#10b981}.interval-user-range.miss{background:#f43f5e}.interval-marker{position:absolute;top:50%;transform:translate(-50%,-50%);width:12px;height:12px;border-radius:50%;border:2.5px solid;background:#fff;box-shadow:0 2px 4px #0000004d}.interval-marker.user.hit{border-color:#10b981}.interval-marker.user.miss{border-color:#f43f5e}.interval-marker.answer{background:#38bdf8;border-color:#38bdf8;box-shadow:0 0 12px #38bdf899}.interval-labels{position:relative;height:36px;margin-top:.5rem}.interval-label{position:absolute;transform:translate(-50%);padding:5px 10px;border-radius:6px;font-family:SF Mono,Monaco,Courier New,monospace;font-size:13px;font-weight:600;white-space:nowrap}.interval-label.user{top:0;color:#fff}.interval-label.user.hit{background:#10b981}.interval-label.user.miss{background:#f43f5e}.interval-label.answer{top:0;background:#38bdf8;color:#0c4a6e}.interval-offscreen{position:absolute;top:50%;transform:translateY(-50%);padding:6px 10px;background:#38bdf8;color:#0c4a6e;border-radius:6px;font-family:SF Mono,Monaco,Courier New,monospace;font-size:12px;font-weight:600;white-space:nowrap}.interval-offscreen.right{right:0}.interval-offscreen.left{left:0}.interval-axis{display:flex;justify-content:space-between;margin-top:.5rem;font-size:12px;color:#fff6;font-style:italic}@media (max-width: 640px){.interval-label{font-size:11px;padding:4px 8px}.interval-marker{width:10px;height:10px}.interval-axis{font-size:11px}}.gaussian-landscape-container{position:relative;width:100%;overflow:visible}.gaussian-landscape{width:100%;height:100px;display:block}.gaussian-landscape .baseline{stroke:#ffffff40;stroke-width:.5}.gaussian-landscape .user-line{stroke-width:3;stroke-linecap:round}.gaussian-landscape .user-line.hit{stroke:#10b981}.gaussian-landscape .user-line.miss{stroke:#f43f5e}.gaussian-landscape .user-marker{fill:#fff;stroke-width:2.5;filter:drop-shadow(0 1px 3px rgba(0,0,0,.4))}.gaussian-landscape .user-marker.hit{stroke:#10b981}.gaussian-landscape .user-marker.miss{stroke:#f43f5e}.gaussian-landscape .answer-marker{fill:#38bdf8;filter:drop-shadow(0 0 8px rgba(56,189,248,.6))}.svg-label{display:flex;justify-content:center;align-items:center;height:100%;padding:0 8px;border-radius:6px;font-size:14px;font-family:SF Mono,Monaco,Courier New,monospace;font-weight:600;white-space:nowrap;box-sizing:border-box}.svg-label-user{color:#fff}.svg-label-user.hit{background:#10b981}.svg-label-user.miss{background:#f43f5e}.svg-label-answer{background:#38bdf8;color:#0c4a6e}.clamped-arrow{position:absolute;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.375rem;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15);padding:.375rem .625rem;border-radius:6px;color:#38bdf8;font-size:.75rem;font-family:SF Mono,Monaco,Courier New,monospace;font-weight:600;z-index:10}.clamped-arrow-right{right:.5rem}.clamped-arrow-left{left:.5rem}.clamped-arrow svg{opacity:.8}.landscape-axis-labels{display:flex;justify-content:space-between;padding:0 .25rem;margin-top:.25rem}.axis-label{font-size:.625rem;font-family:SF Mono,Monaco,Courier New,monospace;color:#ffffff59}.result-card{position:relative;border-radius:16px;margin-top:1.25rem;overflow:visible;animation:slideUp .5s cubic-bezier(.16,1,.3,1) forwards;opacity:0;max-width:420px;margin-left:auto;margin-right:auto}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.result-card-points{position:absolute;top:-14px;left:50%;transform:translate(-50%);padding:.5rem 1.25rem;border-radius:12px;font-size:.875rem;font-weight:700;letter-spacing:.03em;white-space:nowrap;z-index:10;box-shadow:0 4px 12px #00000040}.result-card-points.hit{background:linear-gradient(135deg,#06b6d4,#10b981);color:#0a2540}.result-card-points.miss{background:linear-gradient(135deg,#f43f5e,#be123c);color:#fff}.result-card-header{background:#fffffff2;padding:1.5rem 1.25rem 1.25rem;border-radius:16px 16px 0 0;text-align:center;border-bottom:1px solid rgba(255,255,255,.5)}.result-card-question{font-size:.9375rem;font-weight:600;color:var(--text-primary);line-height:1.45;margin:0 0 .75rem}.result-card-answer-pill{display:inline-block;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);padding:.5rem 1rem;border-radius:8px;font-size:.875rem;font-weight:600;color:var(--text-primary);font-family:SF Mono,Monaco,Courier New,monospace;border:1px solid rgba(0,0,0,.06);box-shadow:inset 0 1px #fffc}.result-card-answer-link{color:var(--text-primary);text-decoration:none;transition:color .15s ease}.result-card-answer-link:hover{color:var(--primary);text-decoration:underline}.result-card-answer-unit{color:var(--text-secondary);font-weight:500}.result-card-body{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:1rem;border-radius:0 0 16px 16px;position:relative;display:flex;align-items:center;justify-content:center;min-height:160px}.result-card-info-btn{position:absolute;top:.75rem;right:.75rem;width:28px;height:28px;border-radius:50%;background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#ffffff80;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;z-index:5}.result-card-info-btn:hover{background:#ffffff26;color:#fff;border-color:#ffffff40}@media (max-width: 480px){.result-card-header{padding:1.25rem 1rem 1rem}.result-card-question{font-size:.875rem}.result-card-answer-pill{font-size:.8125rem;padding:.375rem .75rem}.result-card-body{padding:.75rem;min-height:140px}.gaussian-landscape{height:90px}.svg-label{font-size:12px}.clamped-arrow{font-size:.6875rem;padding:.25rem .5rem}}.numpad-container{position:fixed;bottom:0;left:0;right:0;z-index:100;padding-bottom:env(safe-area-inset-bottom)}.numpad{background:linear-gradient(135deg,#ffffff40,#ffffff1f,#ffffff2e);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-top:1px solid rgba(255,255,255,.4);box-shadow:0 -8px 32px #0000001f,inset 0 1px #ffffff80;padding:.625rem .5rem .5rem}.numpad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.35rem;max-width:280px;margin:0 auto}.numpad-key{height:36px;font-size:1.1rem;font-weight:500;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:#fff9;color:var(--text-primary);cursor:pointer;transition:all .1s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px #0000000f,inset 0 1px #fffc}.numpad-key:hover{background:#ffffffbf;border-color:#ffffff80}.numpad-key:active{background:#ffffff80;transform:scale(.96);box-shadow:inset 0 2px 4px #0000001a}.numpad-key-backspace{background:#fff6}.numpad-key-backspace:hover{background:#ffffff8c}.numpad-key-backspace:active{background:#ffffff59}.numpad-key svg{width:22px;height:22px;stroke:var(--text-secondary)}.numpad-actions{display:flex;gap:.35rem;max-width:280px;margin:.35rem auto 0}.numpad-toggle-btn{flex:1;height:34px;font-size:.8125rem;font-weight:600;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:#ffffff80;color:var(--text-primary);cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px #0000000f,inset 0 1px #fffc}.numpad-toggle-btn:hover{background:#ffffffa6}.numpad-toggle-btn:active{transform:scale(.98);background:#fff6}.numpad-submit-btn{flex:2;height:34px;font-size:.8125rem;font-weight:600;border:none;border-radius:12px;background:var(--primary);color:#fff;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 4px 12px #635bff4d,inset 0 1px #fff3}.numpad-submit-btn:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 16px #635bff59,inset 0 1px #fff3}.numpad-submit-btn:active:not(:disabled){transform:translateY(0) scale(.98);box-shadow:0 2px 8px #635bff40,inset 0 1px #fff3}.numpad-submit-btn:disabled{background:#8898aa80;color:#ffffffb3;cursor:not-allowed;box-shadow:none}.bound-input-active{border-color:var(--primary)!important;border-width:2px!important;box-shadow:0 0 0 4px #635bff4d,0 0 16px #635bff66!important}.numpad-calc-btn{flex:1;height:34px;font-size:.9375rem;font-weight:600;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:#ffffff80;color:var(--text-primary);cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 2px 8px #0000000f,inset 0 1px #fffc;flex-shrink:0}.numpad-calc-btn:hover{background:#ffffffa6}.numpad-calc-btn:active{transform:scale(.98);background:#fff6}.numpad-calc-btn svg{stroke:var(--text-secondary)}.numpad-calculator{padding-top:.25rem}.calc-pull-indicator{display:flex;justify-content:center;padding:.35rem 0}.calc-pull-handle{width:36px;height:4px;background:#fff6;border-radius:2px}.numpad-with-header{padding-top:.25rem}.numpad-with-header .numpad-grid{margin-top:.25rem}.calc-mode-toggle{display:flex;background:#1e1e28e6;border-radius:20px;padding:4px;gap:2px}.calc-mode-btn{width:36px;height:36px;border:none;border-radius:16px;background:transparent;color:#ffffff80;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.calc-mode-btn:hover{color:#fffc}.calc-mode-btn-active{background:#3c3c50e6;color:#fff}.calc-control-row{display:flex;align-items:center;gap:.5rem;padding:0 .5rem;margin-bottom:.35rem}.calc-control-row .calc-display{flex:1;margin:0;padding:.5rem .75rem}.calc-bounds-row{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:.35rem;padding:0 .5rem}.calc-bound-box{flex:1;background:#323746cc;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:.75rem;text-align:center;display:flex;align-items:center;justify-content:center;transition:border-color .15s ease,box-shadow .15s ease}.calc-bound-box-active{border-color:var(--primary);box-shadow:0 0 0 2px #635bff4d}.calc-specific-value-row{display:flex;justify-content:center;padding:0 .5rem;margin-bottom:.35rem}.calc-bound-box-single{width:50%;max-width:150px}.calc-bound-value{font-size:1.1rem;font-weight:600;font-family:SF Mono,Monaco,Courier New,monospace;color:#fff}.calc-specific-transfer-row{display:flex;justify-content:center;padding:.5rem;margin-bottom:.35rem}.calc-transfer-btn{width:50px;height:50px;border:none;border-radius:50%;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0;box-shadow:0 4px 12px #635bff66}.calc-transfer-btn-large{width:60px;height:60px}.calc-transfer-btn:hover:not(:disabled){background:var(--primary-hover);transform:scale(1.05)}.calc-transfer-btn:active:not(:disabled){transform:scale(.95)}.calc-transfer-btn:disabled{background:#64647880;color:#fff6;cursor:not-allowed;box-shadow:none}.calc-transfer-btn svg{stroke:currentColor}.calc-tolerance-row{display:flex;align-items:center;gap:.5rem;padding:0 .5rem;margin-bottom:.25rem}.calc-tolerance-slider{flex:1;height:6px;-webkit-appearance:none;appearance:none;background:#ffffffb3;border-radius:3px;outline:none;cursor:pointer}.calc-tolerance-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 8px #635bff66}.calc-tolerance-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;border:none;box-shadow:0 2px 8px #635bff66}.calc-tolerance-label{font-size:.9rem;font-weight:600;color:#ffffffb3;min-width:45px;text-align:right}.calc-back-btn{width:28px;height:28px;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .1s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;margin-bottom:.15rem}.calc-back-btn:hover{background:#fff3}.calc-back-btn:active{transform:scale(.96);background:#ffffff1a}.calc-back-btn svg{stroke:var(--text-primary);opacity:.7}.calc-display{background:#323746cc;border-radius:10px;padding:.5rem .75rem;border:1px solid rgba(255,255,255,.1)}.calc-result{font-size:1.25rem;font-weight:600;font-family:SF Mono,Monaco,Courier New,monospace;text-align:right;color:#fff}.calc-result-row{display:flex;align-items:center;gap:.5rem}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.3rem;max-width:280px;margin:0 auto}.calc-key-op{background:#ffffffd9!important;color:var(--primary)!important;font-weight:600;font-size:1.125rem!important}.calc-key-op:hover{background:#fffffff2!important}.calc-key-op:active{background:#ffffffb3!important}.calc-key-clear{background:#b43c5ab3!important;color:#fff!important;font-weight:600}.calc-key-clear:hover{background:#b43c5ad9!important}.calc-key-clear:active{background:#b43c5a99!important}.calc-key-backspace{background:#ffffff80!important}.calc-key-backspace svg{stroke:var(--text-secondary)}.calc-key-equals{background:var(--primary)!important;color:#fff!important;font-weight:600;font-size:1.375rem!important}.calc-key-equals:hover{background:var(--primary-hover)!important}.calc-key-equals:active{background:var(--primary)!important}.calc-grid-new{display:grid;grid-template-columns:repeat(4,1fr);gap:.3rem;max-width:100%;margin:0 auto;padding:0 .5rem}.calc-key{height:36px;font-size:1rem;font-weight:500;border:none;border-radius:9px;background:#2d3241e6;color:#fff;cursor:pointer;transition:all .1s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.calc-key:hover{background:#373c4bf2}.calc-key:active{background:#232837e6;transform:scale(.96)}.calc-grid-new .calc-key-op{background:#373c50e6;color:#ffffffe6;font-weight:400}.calc-grid-new .calc-key-op:hover{background:#41465af2}.calc-grid-new .calc-key-clear{background:#8c4650e6;color:#fff;font-weight:500}.calc-grid-new .calc-key-clear:hover{background:#96505af2}.calc-grid-new .calc-key-backspace{background:#3c4150e6}.calc-grid-new .calc-key-backspace:hover{background:#464b5af2}.calc-grid-new .calc-key-backspace svg{stroke:#fffc}.calc-grid-new .calc-key-equals{background:#825ab4e6;color:#fff;font-weight:600}.calc-grid-new .calc-key-equals:hover{background:#8c64bef2}@media (max-width: 480px){.numpad{padding:.5rem}.numpad-grid,.calc-grid{gap:.3rem;max-width:100%}.numpad-key{height:38px;font-size:1.1rem;border-radius:8px}.numpad-actions{max-width:100%;margin-top:.4rem;gap:.3rem}.numpad-toggle-btn,.numpad-submit-btn{height:36px;font-size:.8125rem;border-radius:8px}.numpad-calc-btn{height:36px;border-radius:8px}.calc-display{max-width:100%;padding:.2rem .5rem;margin-bottom:.15rem}.calc-expression{font-size:.75rem}.calc-result{font-size:.95rem}.calc-back-btn{width:26px;height:26px}.calc-key{height:38px;font-size:1rem;border-radius:9px}.calc-grid-new{gap:.3rem}.calc-grid{max-width:100%}}.desktop-actions-container{position:fixed;bottom:0;left:0;right:0;z-index:100;padding:1rem;padding-bottom:max(1rem,env(safe-area-inset-bottom))}.desktop-actions{display:flex;align-items:center;justify-content:center;gap:1rem;max-width:480px;margin:0 auto;background:linear-gradient(135deg,#ffffff40,#ffffff1f,#ffffff2e);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid rgba(255,255,255,.4);border-radius:16px;box-shadow:0 8px 32px #0000001f,inset 0 1px #ffffff80;padding:.75rem 1.5rem}.desktop-submit-btn{height:44px;padding:0 2rem;font-size:.9375rem;font-weight:600;border:none;border-radius:12px;background:var(--primary);color:#fff;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;box-shadow:0 4px 12px #635bff4d,inset 0 1px #fff3}.desktop-submit-btn:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 16px #635bff59,inset 0 1px #fff3}.desktop-submit-btn:active:not(:disabled){transform:translateY(0) scale(.98);box-shadow:0 2px 8px #635bff40,inset 0 1px #fff3}.desktop-submit-btn:disabled{background:#8898aa80;color:#ffffffb3;cursor:not-allowed;box-shadow:none}.desktop-hint{font-size:.8125rem;color:var(--text-secondary);opacity:.7}.numpad-container-desktop{position:fixed;inset:auto auto 80px 50%;transform:translate(-50%);padding:0;width:auto}.numpad-container-desktop .numpad{max-width:320px;padding:.75rem}.numpad-container-desktop .numpad-key{height:48px;font-size:1.25rem;border-radius:10px}.numpad-container-desktop .calc-grid{gap:.5rem;max-width:320px}.numpad-container-desktop .calc-display{padding:.625rem 1rem;margin-bottom:.625rem;max-width:320px}.numpad-container-desktop .calc-result{font-size:1.5rem}.numpad-container-desktop .calc-back-btn{width:40px;height:40px;margin-bottom:.5rem}.numpad-container-desktop .calc-key-op{font-size:1.25rem!important}.desktop-calc-bar{position:fixed;bottom:70px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:.5rem;padding:.625rem 1rem;background:linear-gradient(135deg,#ffffff4d,#ffffff26,#fff3);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid rgba(255,255,255,.4);border-radius:14px;box-shadow:0 8px 32px #0000001f,inset 0 1px #ffffff80;z-index:101}.desktop-calc-close{width:36px;height:36px;border:none;border-radius:8px;background:#ffffffb3;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.desktop-calc-close:hover{background:#ffffffe6;color:var(--text-primary)}.desktop-calc-display{min-width:120px;padding:.5rem 1rem;background:#ffffffe6;border-radius:8px;font-size:1.25rem;font-weight:600;font-family:SF Mono,Monaco,Courier New,monospace;text-align:right;color:var(--text-primary);border:1px solid rgba(255,255,255,.5)}.desktop-calc-paste{padding:.5rem .875rem;font-size:.8125rem;font-weight:600;border:1px solid rgba(255,255,255,.4);border-radius:8px;background:#fffc;color:var(--text-primary);cursor:pointer;transition:all .15s ease;flex-shrink:0}.desktop-calc-paste:hover{background:#fff}.desktop-calc-divider{width:1px;height:32px;background:#fff6;flex-shrink:0}.desktop-calc-digits{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(3,1fr);gap:4px}.desktop-calc-ops{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:4px}.desktop-calc-key{width:40px;height:36px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:#ffffffbf;color:var(--text-primary);font-size:1rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .1s ease}.desktop-calc-key:hover{background:#fffffff2;transform:scale(1.05)}.desktop-calc-key:active{transform:scale(.95)}.desktop-calc-op{color:var(--primary);font-weight:600}.desktop-calc-backspace{font-size:1.1rem;color:var(--text-secondary)}.desktop-calc-clear{background:#b45a5acc!important;color:#fff!important;border-color:#b45a5a4d!important}.desktop-calc-clear:hover{background:#b45a5a!important}.desktop-calc-equals{background:var(--primary)!important;color:#fff!important;border-color:var(--primary)!important}.desktop-calc-equals:hover{background:var(--primary-hover)!important}.estimate-numpad-container{position:fixed;bottom:0;left:0;right:0;z-index:100;background:linear-gradient(180deg,#1e1432,#140f28,#19122d);border-top:1px solid rgba(255,255,255,.15);box-shadow:0 -8px 32px #00000080,inset 0 1px #ffffff1a;padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:6px}.estimate-display-row{display:flex;align-items:center;gap:8px}.uncertainty-arrows{display:flex;flex-direction:column;gap:2px;min-width:28px}.uncertainty-arrow-btn{width:28px;height:20px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff3,#ffffff1a);border:1px solid rgba(255,255,255,.2);border-radius:6px;color:#ffffffb3;cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.uncertainty-arrow-btn:hover{background:linear-gradient(135deg,#ffffff4d,#ffffff2e);border-color:#ffffff4d;color:#ffffffe6}.uncertainty-arrow-btn:active{transform:scale(.95);background:linear-gradient(135deg,#ffffff59,#fff3)}.estimate-display-unified{flex:1;position:relative;display:flex;align-items:center;justify-content:center;gap:10px;padding:6px 12px;background:linear-gradient(135deg,#ffffff38,#ffffff1f,#ffffff29);border:1px solid rgba(255,255,255,.25);border-radius:12px;min-height:36px;box-shadow:inset 0 1px #ffffff40,inset 0 -1px #0000001a;overflow:hidden;cursor:ew-resize;user-select:none;-webkit-user-select:none}.estimate-uncertainty-fill{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#6366f159,#8b5cf640,#a855f733);pointer-events:none;border-radius:12px 0 0 12px;border-right:2px solid rgba(255,255,255,.9);box-shadow:2px 0 8px #ffffff80,2px 0 16px #ffffff4d}.estimate-uncertainty-fill-initial{border-right:2px solid rgba(255,255,255,1);box-shadow:2px 0 8px #fffc,2px 0 20px #ffffff80,0 0 30px #ffffff4d;animation:glitterPulse 1.5s ease-in-out infinite}@keyframes glitterPulse{0%,to{box-shadow:2px 0 8px #fffc,2px 0 20px #ffffff80,0 0 30px #ffffff4d;border-right-color:#fff}50%{box-shadow:2px 0 12px #fff,2px 0 30px #ffffffb3,0 0 40px #ffffff80;border-right-color:#fff}}.estimate-value-unified{position:relative;z-index:1;font-size:1.35rem;font-weight:300;color:#fffffff2;letter-spacing:-.02em;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;word-break:break-word;text-align:center;line-height:1.2;transition:font-size .1s ease-out}.estimate-scratchpad-unified{position:relative;z-index:1;font-size:.7rem;font-family:SF Mono,Monaco,Courier New,monospace;color:#fff6;letter-spacing:.03em}.estimate-uncertainty-input{position:absolute;left:0;top:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:2;-webkit-appearance:none;appearance:none;margin:0;touch-action:none;-webkit-tap-highlight-color:transparent}.estimate-uncertainty-input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:44px;height:44px;background:transparent;cursor:ew-resize;border:none}.estimate-uncertainty-input::-moz-range-thumb{width:44px;height:44px;background:transparent;cursor:ew-resize;border:none}.estimate-uncertainty-input::-webkit-slider-runnable-track{width:100%;height:100%;cursor:ew-resize;background:transparent}.estimate-uncertainty-input::-moz-range-track{width:100%;height:100%;cursor:ew-resize;background:transparent}.calc-history-bar{padding:4px 12px;margin-left:60px;margin-right:58px;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border:1px solid rgba(255,255,255,.15);border-radius:8px;font-size:.85rem;color:#fff9;text-align:center;font-family:SF Mono,Monaco,Courier New,monospace;letter-spacing:.02em}.uncertainty-percent-label{min-width:50px;font-size:.85rem;font-weight:500;color:#ffffffb3;font-variant-numeric:tabular-nums;text-align:center}.bound-cards-compact{display:flex;align-items:center;justify-content:center;gap:6px}.bound-card-compact{flex:1;max-width:100px;background:linear-gradient(135deg,#ffffff29,#ffffff14);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:4px 8px;text-align:center;font-size:.85rem;font-weight:500;color:#ffffff80;transition:all .2s ease;box-shadow:inset 0 1px #ffffff26}.bound-card-compact-active-lower{color:#818cf8;border-color:#6366f166;background:linear-gradient(135deg,#6366f133,#6366f114);box-shadow:inset 0 1px #818cf833,0 0 20px #6366f126}.bound-card-compact-active-upper{color:#c084fc;border-color:#a855f766;background:linear-gradient(135deg,#a855f733,#a855f714);box-shadow:inset 0 1px #c084fc33,0 0 20px #a855f726}.bound-separator-compact{color:#ffffff4d;font-size:.75rem}.calc-grid-unified{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.calc-key-unified{height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.4);background:linear-gradient(135deg,#ffffff61,#ffffff47,#ffffff52);color:#fff;font-size:1.25rem;font-weight:400;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;box-shadow:inset 0 1px #ffffff40,inset 0 -1px #0000001a,0 2px 4px #0000001a}.calc-key-unified:hover{background:linear-gradient(135deg,#ffffff59,#ffffff3d,#ffffff47);border-color:#fff6}.calc-key-unified:active{transform:scale(.96);background:linear-gradient(135deg,#ffffff47,#ffffff2e);box-shadow:inset 0 1px #ffffff26,inset 0 2px 4px #00000026}.calc-key-op-unified{background:linear-gradient(135deg,#6366f1bf,#6366f194);color:#dce1ff;border-color:#6366f1cc;box-shadow:inset 0 1px #a5b4fc80,0 2px 4px #0000001a}.calc-key-op-unified:hover{background:linear-gradient(135deg,#6366f1d9,#6366f1a6);border-color:#6366f1e6}.calc-key-op-active{background:linear-gradient(135deg,#6366f1,#4f46e5)!important;color:#fff!important;border-color:#6366f1cc!important;box-shadow:0 0 20px #6366f180,inset 0 1px #fff3!important}.calc-key-dual{display:flex;align-items:center;justify-content:center;gap:2px}.calc-key-secondary{font-size:.7em;opacity:.6}.calc-key-backspace-unified{color:#fca5a5e6}.calc-key-backspace-unified:hover{background:linear-gradient(135deg,#ef444433,#ef444414);border-color:#ef44444d}.calc-key-clear-unified{font-size:.85rem;font-weight:600;letter-spacing:.05em;color:#fff9}.calc-key-clear-unified:hover{background:linear-gradient(135deg,#ef444433,#ef444414);color:#fca5a5;border-color:#ef44444d}.calc-key-equals-unified{grid-column:span 2;font-size:1.8rem;font-weight:400;color:#ffffffd9}.calc-key-equals-unified:hover{background:linear-gradient(135deg,#ffffff26,#ffffff14)}.calc-key-unified.calc-key-submit-unified{background:#16a34a!important;border:1px solid #15803d!important;color:#fff!important;box-shadow:0 4px 12px #16a34a66,0 0 15px #16a34a40!important}.calc-key-unified.calc-key-submit-unified:hover:not(:disabled){background:#22c55e!important;box-shadow:0 6px 20px #22c55e80,0 0 20px #22c55e59!important}.calc-key-submit-unified:disabled{opacity:.35;cursor:not-allowed}.calc-key-submit-unified svg{stroke-width:2.5}@media (max-width: 380px){.estimate-numpad-container{padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:6px}.estimate-display-unified{padding:6px 12px;min-height:38px}.estimate-value-unified{font-size:1.5rem}.uncertainty-percent-label{min-width:45px;font-size:.8rem}.calc-key-unified{height:44px;font-size:1.1rem}.calc-grid-unified{gap:6px}}.bounds-display-question{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:16px;animation:boundsSlideIn .25s ease-out}@keyframes boundsSlideIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.bound-card-question{min-width:80px;padding:8px 14px;background:linear-gradient(135deg,#ffffff2e,#ffffff14);border:1px solid rgba(255,255,255,.2);border-radius:10px;font-size:1rem;font-weight:500;color:#ffffffe6;cursor:pointer;transition:all .2s ease;box-shadow:inset 0 1px #fff3,0 2px 8px #00000026;-webkit-tap-highlight-color:transparent;position:relative;z-index:10}.bound-card-question:hover{background:linear-gradient(135deg,#ffffff40,#ffffff1f);border-color:#ffffff4d;transform:scale(1.02)}.bound-card-question:active{transform:scale(.98)}.bound-card-question-lower{color:#a5b4ff;border-color:#6366f180;background:linear-gradient(135deg,#6366f159,#6366f12e);box-shadow:inset 0 1px #a5b4ff4d,0 0 20px #6366f140}.bound-card-question-lower:hover{background:linear-gradient(135deg,#6366f173,#6366f140);border-color:#6366f1a6}.bound-card-question-upper{color:#dcaaff;border-color:#a855f780;background:linear-gradient(135deg,#a855f759,#a855f72e);box-shadow:inset 0 1px #dcaaff4d,0 0 20px #a855f740}.bound-card-question-upper:hover{background:linear-gradient(135deg,#a855f773,#a855f740);border-color:#a855f7a6}.bound-card-question-override{border-width:2px}.bound-card-question-editing{animation:bound-editing-pulse 1s ease-in-out infinite;border-width:2px}.bound-card-question-lower.bound-card-question-editing{box-shadow:0 0 12px #6366f199}.bound-card-question-upper.bound-card-question-editing{box-shadow:0 0 12px #a855f799}@keyframes bound-editing-pulse{0%,to{opacity:1}50%{opacity:.7}}.bound-separator-question{color:#fff6;font-size:1rem;font-weight:300}.bound-input-question{min-width:80px;max-width:120px;padding:8px 12px;background:#ffffff26;border:2px solid rgba(99,102,241,.6);border-radius:10px;font-size:1rem;font-weight:500;color:#fff;text-align:center;outline:none;box-shadow:0 0 20px #6366f14d,inset 0 1px #ffffff1a}.bound-input-question:focus{border-color:#6366f1cc;box-shadow:0 0 24px #6366f166,inset 0 1px #ffffff1a}@media (max-width: 380px){.bounds-display-question{gap:8px;margin-top:12px}.bound-card-question,.bound-input-question{min-width:70px;padding:6px 10px;font-size:.9rem}}.uncertainty-modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:modalFadeIn .2s ease-out}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.uncertainty-modal{background:linear-gradient(145deg,#282832f2,#191923fa);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:24px;max-width:320px;width:90%;box-shadow:0 20px 40px #0006,inset 0 1px #ffffff1a;animation:modalSlideUp .25s ease-out}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.uncertainty-modal-title{color:#fff;font-size:1.2rem;font-weight:600;margin:0 0 12px;text-align:center}.uncertainty-modal-text{color:#ffffffb3;font-size:.9rem;line-height:1.5;margin:0 0 20px;text-align:center}.uncertainty-modal-demo{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:20px}.demo-bar{width:100%;height:44px;background:linear-gradient(135deg,#ffffff1f,#ffffff0f);border:1px solid rgba(255,255,255,.2);border-radius:10px;position:relative;overflow:hidden}.demo-fill{position:absolute;left:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,#6366f180,#6366f14d);border-radius:10px 0 0 10px}.demo-fill-animated{position:absolute;inset:0;background:linear-gradient(90deg,#6366f180,#6366f14d);animation:demoFillPulse 2s ease-in-out infinite}@keyframes demoFillPulse{0%,to{width:12px}50%{width:60%}}.demo-value{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#ffffffe6;font-size:1.1rem;font-weight:500;z-index:1}.demo-arrow{color:#ffffff80;animation:demoArrowBounce 1.5s ease-in-out infinite}@keyframes demoArrowBounce{0%,to{transform:translate(0);opacity:.5}50%{transform:translate(10px);opacity:1}}.demo-hint{color:#ffffff80;font-size:.8rem;margin:0;text-align:center}.uncertainty-modal-buttons{display:flex;gap:12px}.uncertainty-modal-btn{flex:1;padding:12px 16px;border-radius:10px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .15s ease;border:1px solid transparent}.uncertainty-modal-btn-cancel{background:#ffffff1a;color:#fffc;border-color:#fff3}.uncertainty-modal-btn-cancel:hover{background:#ffffff26;border-color:#ffffff4d}.uncertainty-modal-btn-confirm{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;border-color:#6366f180}.uncertainty-modal-btn-confirm:hover{background:linear-gradient(135deg,#7375f2,#5f57e6);box-shadow:0 4px 12px #6366f14d}