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0;border:none;align-items:center;gap:.3rem;padding:0;font-family:inherit;font-size:.75rem;font-weight:600;display:inline-flex}.remove-setup-btn:hover{color:#fff}.ib-collapse-tab{justify-content:center;display:flex}.ib-collapse-tab button{border-radius:0 0 var(--ls-radius) var(--ls-radius);cursor:pointer;background:#1a2f58;border:none;justify-content:center;align-items:center;width:44px;height:16px;padding:0;display:flex;box-shadow:0 4px 10px #1d34612e}.ib-collapse-tab button:focus-visible{outline-offset:1px;outline:2px solid #7fd3ef}.faq-layout{grid-template-columns:minmax(0,1fr) clamp(300px,28vw,360px);align-items:start;gap:24px;margin-top:2.5rem;display:grid}.faq-layout>.about-block{margin-top:0}.faq-layout>.about-block:only-child{grid-column:1/-1;max-width:860px}.faq-aside{top:calc(var(--sticky-top,0px) + 16px);position:sticky}@media (width<=959px){.faq-layout{grid-template-columns:1fr}.faq-aside{display:none}}.gc-empty{text-align:center;color:var(--color-text-light);padding:3rem 1.25rem}.gc-empty strong{color:var(--color-main);margin-bottom:.5rem;font-size:1rem;display:block}@media (width<=768px){.gc-main{padding:12px 12px 0}.gc-card{padding:1rem}.gear-table.gc-card,.speed-table.gc-card{padding:1rem .6rem}.gear-table .gc-card-title,.speed-table .gc-card-title{padding-left:.4rem}.gc-card-title{margin-bottom:.75rem;font-size:1.1rem}.summary-cards{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:.9rem;padding:.9rem .25rem}.summary-card{padding:0 .5rem}.summary-card+.summary-card{border-left:none}.card-total-gears{order:1}.card-range{order:2}.card-lowest-speed{order:3}.card-highest-speed{order:4}.card-gear-ratio{order:5;grid-column:1/-1}.summary-card .card-value{font-size:1.35rem}.gc-table th{top:0}.setup-label-col{padding-top:0}.tables-row>*{flex-basis:100%}}@media (prefers-reduced-motion:reduce){.gc-card,.header-btn,.add-compare-btn{transition:none}}.scroll-top-btn{color:#fff;cursor:pointer;width:2.75rem;height:2.75rem;box-shadow:var(--ls-shadow-cta);opacity:0;visibility:hidden;z-index:90;background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);border:none;border-radius:50%;justify-content:center;align-items:center;transition:opacity .2s,transform .2s,background .15s;display:flex;position:fixed;bottom:1.25rem;right:1.25rem;transform:translateY(.5rem)}.scroll-top-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-top-btn:hover{box-shadow:var(--ls-shadow-cta-hover);background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);transform:translateY(-2px)}.scroll-top-btn:after{content:"";z-index:-1;pointer-events:none;background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);border-radius:50%;position:absolute;inset:0}.scroll-top-btn:before{content:"";z-index:-2;background:conic-gradient(from var(--glow-angle), var(--color-cta), #ff7ba8, var(--color-medium), #7fd3ef, var(--color-medium), #ff7ba8, var(--color-cta));filter:blur(3px);opacity:0;transition:opacity .25s var(--ls-ease);border-radius:50%;animation:4s linear infinite ls-glow-spin;position:absolute;inset:-2px}.scroll-top-btn:hover:before{opacity:1}@media (prefers-reduced-motion:reduce){.scroll-top-btn:hover{transform:none}}html,body{overflow-x:clip}#root{min-height:100vh}@media (width<=768px){.site-header{gap:8px!important;padding:8px 12px!important}.site-header .header-logo{order:1;height:44px!important}.site-header .header-buttons{order:2;margin-left:auto;gap:6px!important}.site-header .header-btn{height:32px;padding:0 10px;font-size:12px}.site-header .header-title{order:3;flex:100%!important;padding:2px 0 0!important;font-size:1.25rem!important}.header-presets{order:4;flex:100%!important;justify-content:center!important;padding:4px 0 0!important;display:flex!important}.header-presets select{width:100%!important;max-width:100%!important}.input-bar{padding:10px 12px 12px!important}.input-bar-inner{gap:10px}.setup-label-col{flex-direction:row!important;flex:100%!important;justify-content:space-between!important;align-items:center!important}.input-bar .chainring-container,.input-bar .cassette-container{flex:100%!important;min-width:0!important;max-width:100%!important}.sticky-inputbar{z-index:auto!important;position:static!important;top:auto!important}}.about-block{border:1px solid var(--gc-border);border-radius:var(--ls-radius-lg);box-shadow:var(--ls-shadow-1);background:#fff;margin-top:2.5rem;overflow:hidden}.about-block details{width:100%}.about-block summary{cursor:pointer;transition:background .18s var(--ls-ease);-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:1.1rem 1.5rem;list-style:none;display:flex}.about-block summary:hover{background:var(--gc-row-hover)}.about-block summary::-webkit-details-marker{display:none}.about-block-title{letter-spacing:-.01em;color:var(--color-main);margin:0;font-size:1.3rem;font-weight:700}.about-chevron{width:22px;height:22px;color:var(--color-medium);flex-shrink:0;transition:transform .2s}.about-block details[open] summary .about-chevron{transform:rotate(180deg)}.about-body{color:var(--color-text);padding:.25rem 1.75rem 1.75rem;font-size:1rem;font-weight:400;line-height:1.7}.about-body p{margin:0 0 .75rem}.about-body p:last-child{margin-bottom:0}.about-body h2{letter-spacing:-.01em;color:var(--color-main);margin:1.5rem 0 .5rem;font-size:1.35rem;font-weight:700;line-height:1.25}.about-body h3{color:var(--color-main);margin:1.1rem 0 .35rem;font-size:1.1rem;font-weight:700;line-height:1.3}.about-body ul,.about-body ol{margin:.35rem 0 .75rem 1.5rem;padding:0}.about-body li{margin-bottom:.3rem}.about-body a{color:var(--color-medium);text-underline-offset:2px;text-decoration:underline}.about-body a:hover{color:var(--color-cta)}.about-faq{margin:0;padding:0}.about-faq-item{border-top:1px solid var(--color-border);padding:.85rem 0}.about-faq-item:last-child{border-bottom:1px solid var(--color-border)}.about-faq dt{color:var(--color-main);margin-bottom:.3rem;font-weight:700}.about-faq dd{color:var(--color-text);margin:0}.form-card{background:linear-gradient(165deg, #fff 0%, var(--color-light) 100%);border-radius:var(--ls-radius-lg);box-shadow:var(--ls-shadow-3);background-clip:padding-box;padding:1.85rem;position:relative;overflow:hidden}.form-card:before{content:"";background:linear-gradient(90deg, var(--color-cta), var(--color-medium));height:4px;position:absolute;inset:0 0 auto}.form-card>*{position:relative}.form-card-flag{letter-spacing:.08em;text-transform:uppercase;color:var(--color-cta);align-items:center;gap:.45rem;margin:0 0 .55rem;font-size:.6875rem;font-weight:700;display:inline-flex}.pulse-dot{background:var(--color-cta);border-radius:50%;width:.45rem;height:.45rem;animation:2.2s infinite ls-pulse;box-shadow:0 0 #ff18618c}@keyframes ls-pulse{70%{box-shadow:0 0 0 .5rem #ff186100}to{box-shadow:0 0 #ff186100}}.form-card-title{letter-spacing:-.01em;color:var(--color-main);margin:0 0 1rem;font-size:1.55rem;font-weight:700}.gear-optin{gap:.8rem;display:grid;position:relative}.gear-optin>div:empty,.gear-optin>[data-lastpass-icon-root],.gear-optin>[data-dashlanecreated],.gear-optin>com-1password-button{position:absolute;top:0;left:0}.gear-optin input[type=text],.gear-optin input[type=email]{box-sizing:border-box;width:100%;color:var(--color-text);border-radius:var(--ls-radius);transition:border-color .18s var(--ls-ease), box-shadow .18s var(--ls-ease);background:#fff;border:1px solid #c3dfec;padding:.8rem .9rem;font-family:inherit;font-size:.9375rem;box-shadow:inset 0 1px 2px #1d34610d}.gear-optin input:hover{border-color:#a9d0e2}.gear-optin input:focus{border-color:var(--color-medium);outline:none;box-shadow:0 0 0 3px #247ba02e}.gear-optin input[aria-invalid=true]{border-color:var(--color-cta);box-shadow:0 0 0 3px #ff186124}.hp-field{opacity:0!important;width:1px!important;height:1px!important;position:absolute!important;left:-9999px!important}@property --glow-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes ls-glow-spin{to{--glow-angle:360deg}}.gear-optin .btn{z-index:0;letter-spacing:.01em;border-radius:var(--ls-radius);color:#fff;width:100%;box-shadow:var(--ls-shadow-cta);cursor:pointer;transition:transform .18s var(--ls-ease), box-shadow .18s var(--ls-ease), filter .18s var(--ls-ease);background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);border:none;padding:.95rem 1.5rem;font-size:1rem;font-weight:700;position:relative}.gear-optin .btn:after{content:"";z-index:-1;border-radius:inherit;background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);position:absolute;inset:0}.gear-optin .btn:before{content:"";z-index:-2;border-radius:calc(var(--ls-radius) + 2px);background:conic-gradient(from var(--glow-angle), var(--color-cta), #ff7ba8, var(--color-medium), #7fd3ef, var(--color-medium), #ff7ba8, var(--color-cta));filter:blur(3px);opacity:0;transition:opacity .25s var(--ls-ease);animation:4s linear infinite ls-glow-spin;position:absolute;inset:-2px}.gear-optin .btn:hover{box-shadow:var(--ls-shadow-cta-hover);filter:saturate(1.05);transform:translateY(-2px)}.gear-optin .btn:hover:before{opacity:1}.gear-optin .btn:active{box-shadow:var(--ls-shadow-cta);transform:translateY(0)}.gear-optin .btn:focus-visible{outline-offset:2px;outline:3px solid #1d346173}.gear-optin .btn[disabled]{opacity:.7;cursor:default;box-shadow:var(--ls-shadow-cta);transform:none}.gear-optin .btn[disabled]:before{opacity:0;animation:none}.form-error{border-left:4px solid var(--color-cta);border-radius:0 var(--ls-radius) var(--ls-radius) 0;color:var(--color-main);animation:ls-shake .4s var(--ls-ease);background:#ffe8ef;margin:0;padding:.6rem .75rem;font-size:.8125rem}@keyframes ls-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.form-note{color:var(--color-text-light);text-align:center;margin:0;font-size:.75rem}.form-note a{color:var(--color-text-light)}.optin-success{text-align:center;animation:ls-fade-up .45s var(--ls-ease) both;padding:.75rem 0}@keyframes ls-fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.optin-success .tick{width:3rem;height:3rem;box-shadow:var(--ls-shadow-cta);animation:ls-pop .45s var(--ls-ease) both;background:linear-gradient(135deg,#ff1861 0%,#e01050 100%);border-radius:50%;justify-content:center;align-items:center;margin:0 auto .9rem;display:flex}.optin-success .tick:before{content:"";background:#fff;width:1.5rem;height:1.5rem;-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M20.3 5.7 9 17l-5.3-5.3 1.4-1.4L9 14.2l9.9-9.9z'/></svg>") 50%/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M20.3 5.7 9 17l-5.3-5.3 1.4-1.4L9 14.2l9.9-9.9z'/></svg>") 50%/contain no-repeat}@keyframes ls-pop{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.08)}to{transform:scale(1)}}.optin-success h3{color:var(--color-main);margin:0 0 .5rem;font-size:1.2rem}.optin-success p{margin:0 0 .5rem;font-size:.875rem;line-height:1.6}.optin-success .hint{color:var(--color-text-light);font-size:.8125rem}.gear-optin-card{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:center;gap:.75rem 2rem;margin:0 0 16px;padding:1.1rem 1.5rem 1rem;display:grid}.gear-optin-card .form-card-flag{margin-bottom:.25rem}.gear-optin-card .form-card-title{margin:0 0 .25rem;font-size:1.25rem}.gear-optin-lede{color:var(--color-text);margin:0;font-size:.875rem;line-height:1.45}.gear-optin-card .gear-optin{gap:.5rem}.gear-optin-row{gap:.5rem;display:flex}.gear-optin-row input{flex:auto;min-width:0}.gear-optin-card .gear-optin .btn{white-space:nowrap;flex:none;width:auto;padding:.8rem 1.25rem;font-size:.9375rem}.gear-optin-card .form-note{text-align:left}.gear-optin-card .optin-success{text-align:left;align-items:center;gap:.9rem;padding:0;display:flex}.gear-optin-card .optin-success .tick{flex-shrink:0;width:2.5rem;height:2.5rem;margin:0}.gear-optin-card .optin-success h3{margin:0 0 .2rem;font-size:1rem}.gear-optin-card .optin-success .hint{margin:0}.gear-optin input::placeholder{color:#9bb3c4}.gear-optin-aside{grid-template-columns:1fr;gap:1.1rem;margin:0;padding:1.5rem}.gear-optin-aside .form-card-title{margin-bottom:.9rem;font-size:1.35rem}.gear-optin-aside .gear-optin-row{flex-direction:column}.gear-optin-aside .gear-optin .btn{width:100%}.gear-optin-aside .form-note{text-align:center}.gear-optin-aside .optin-success{text-align:center;flex-direction:column}.check-list{gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.check-list li{padding-left:1.75rem;font-size:.9375rem;line-height:1.5;position:relative}.check-list li:before{content:"";background:var(--color-cta);width:1.1rem;height:1.1rem;position:absolute;top:.2em;left:0;-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M20.3 5.7 9 17l-5.3-5.3 1.4-1.4L9 14.2l9.9-9.9z'/></svg>") 50%/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M20.3 5.7 9 17l-5.3-5.3 1.4-1.4L9 14.2l9.9-9.9z'/></svg>") 50%/contain no-repeat}@media (width<=800px){.gear-optin-card{grid-template-columns:1fr}}@media (width<=480px){.gear-optin-row{flex-direction:column}.gear-optin-card .gear-optin .btn{width:100%}}@media (width<=640px){.gear-optin-card{padding:1rem 1.1rem}}@media (prefers-reduced-motion:reduce){.pulse-dot,.form-error,.optin-success,.optin-success .tick{animation:none}.gear-optin .btn:hover{transform:none}}