.runtimecalc{--rc-blue:#1c6dd0;--rc-blue-strong:#1559a8;--rc-blue-soft:#e6eff9;--rc-blue-deep:#0e3f75;--rc-gold:#e2b26f;--rc-gold-dark:#c79a5b;--rc-gold-soft:#fbf5eb;--rc-ink:#111111;--rc-ink-muted:#3d454d;--rc-lines:#e2e8ee;--rc-lines-strong:#cfd8e1;--rc-bg:#eaf1f5;--rc-paper:#ffffff;--rc-error:#b3261e;width:100%;max-width:100%;margin:0 0 32px;padding:0;border:1px solid var(--rc-lines-strong);border-radius:0;background:var(--rc-bg);color:var(--rc-ink);box-sizing:border-box;font-family:Verdana,BlinkMacSystemFont,-apple-system,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif;font-size:14px;line-height:1.55}.runtimecalc *,.runtimecalc *::before,.runtimecalc *::after{box-sizing:border-box}.runtimecalc__topbar{padding:16px 28px;background:var(--rc-blue);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid rgb(255 255 255 / .16)}.runtimecalc__topbar-title{margin:0;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:15px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:#fff}.runtimecalc__topbar-tag{margin:0;font-size:12px;color:#fff;opacity:.85;white-space:nowrap}.runtimecalc__hero{padding:26px 28px 22px;background:linear-gradient(180deg,#ffffff 0%,#f5f8fb 100%);border-bottom:1px solid var(--rc-lines)}.runtimecalc__eyebrow{margin:0 0 10px;color:var(--rc-blue-strong);font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase}.runtimecalc__title{margin:0 0 8px;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:28px;line-height:1.15;color:var(--rc-ink);font-weight:500}.runtimecalc__subtitle{margin:0;color:var(--rc-ink-muted);max-width:80ch;font-size:14px}.runtimecalc__body{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr);gap:0}.runtimecalc__panel{padding:28px}.runtimecalc__panel--controls{background:var(--rc-paper);border-right:1px solid var(--rc-lines)}.runtimecalc__panel--results{background:linear-gradient(180deg,#0e3f75 0%,#12345c 100%);color:#fff}.runtimecalc__section+.runtimecalc__section{margin-top:22px;padding-top:22px;border-top:1px solid var(--rc-lines)}.runtimecalc__panel--results .runtimecalc__section+.runtimecalc__section{border-top-color:rgb(255 255 255 / .16)}.runtimecalc__label{display:block;margin-bottom:10px;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:13px;letter-spacing:.04em;text-transform:uppercase;font-weight:500;color:var(--rc-blue-deep)}.runtimecalc__panel--results .runtimecalc__label{color:#bcd1e8}.runtimecalc__buttons,.runtimecalc__mode-switch{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--rc-lines-strong);border-right:0;border-bottom:0;background:#fff}.runtimecalc__panel--results .runtimecalc__buttons,.runtimecalc__panel--results .runtimecalc__mode-switch{border-color:rgb(255 255 255 / .18);background:#fff0}.runtimecalc__chip,.runtimecalc__mode,.runtimecalc__action{border:0;border-right:1px solid var(--rc-lines-strong);border-bottom:1px solid var(--rc-lines-strong);border-radius:0;background:#fff;color:var(--rc-ink);cursor:pointer;transition:background 0.18s ease,color 0.18s ease,border-color 0.18s ease,transform 0.18s ease;font-family:inherit}.runtimecalc__chip,.runtimecalc__mode{padding:12px 14px;font-weight:700;font-size:13px;min-height:44px}.runtimecalc__panel--results .runtimecalc__chip,.runtimecalc__panel--results .runtimecalc__mode{background:#fff0;color:#fff;border-right-color:rgb(255 255 255 / .18);border-bottom-color:rgb(255 255 255 / .18)}.runtimecalc__chip:hover,.runtimecalc__mode:hover{background:var(--rc-blue-soft);color:var(--rc-blue-deep)}.runtimecalc__panel--results .runtimecalc__chip:hover,.runtimecalc__panel--results .runtimecalc__mode:hover{background:rgb(226 178 111 / .12);color:#fff}.runtimecalc__chip.is-active,.runtimecalc__mode.is-active{background:var(--rc-blue);border-color:var(--rc-blue);color:#fff}.runtimecalc__action{width:100%;min-height:56px;padding:14px 18px;border:2px solid var(--rc-gold);font-weight:700;font-size:14px;background:var(--rc-gold);color:var(--rc-ink);letter-spacing:.08em;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center}.runtimecalc__action-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;font-size:22px;line-height:1}.runtimecalc__action:hover{background:var(--rc-gold-dark);border-color:var(--rc-gold-dark);color:#fff}.runtimecalc__range-head,.runtimecalc__number-row,.runtimecalc__row{display:flex;align-items:center;justify-content:space-between;gap:16px}.runtimecalc__distance-output,.runtimecalc__time-output{font-weight:700;color:var(--rc-blue-deep);font-size:13px;letter-spacing:.04em}.runtimecalc__range{width:100%;margin:6px 0 14px;-webkit-appearance:none;appearance:none;background:#fff0}.runtimecalc__range::-webkit-slider-runnable-track{height:6px;background:linear-gradient(90deg,var(--rc-blue) 0%,var(--rc-blue-strong) 100%);border-radius:0}.runtimecalc__range::-moz-range-track{height:6px;background:linear-gradient(90deg,var(--rc-blue) 0%,var(--rc-blue-strong) 100%);border-radius:0}.runtimecalc__range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;margin-top:-6px;border-radius:0;background:var(--rc-gold);border:2px solid var(--rc-blue-deep);box-shadow:0 0 0 1px #fff}.runtimecalc__range::-moz-range-thumb{width:18px;height:18px;border-radius:0;background:var(--rc-gold);border:2px solid var(--rc-blue-deep);box-shadow:0 0 0 1px #fff}.runtimecalc__number,.runtimecalc__text{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--rc-lines-strong);border-radius:0;font-size:16px;color:var(--rc-ink);background:#fff;font-family:inherit;transition:border-color 0.18s ease,box-shadow 0.18s ease}.runtimecalc__number{max-width:200px}.runtimecalc__number:focus,.runtimecalc__text:focus{border-color:var(--rc-blue);outline:0;box-shadow:0 0 0 3px rgb(28 109 208 / .16)}.runtimecalc__suffix,.runtimecalc__hint{color:var(--rc-ink-muted)}.runtimecalc__hint{margin:10px 0 0;font-size:12px}.runtimecalc__error{margin:14px 0 0;padding:10px 12px;color:var(--rc-error);background:#fdecea;border-left:3px solid var(--rc-error);font-size:13px;font-weight:600}.runtimecalc__summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid rgb(255 255 255 / .18);background:rgb(255 255 255 / .03)}.runtimecalc__result{padding:18px 18px 16px;border-right:1px solid rgb(255 255 255 / .16);border-bottom:1px solid rgb(255 255 255 / .16)}.runtimecalc__result:nth-child(4n){border-right:0}.runtimecalc__result:nth-last-child(-n+4){border-bottom:0}.runtimecalc__result-label{margin-bottom:8px;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:#e5c38b;font-weight:500}.runtimecalc__result-value{font-size:22px;font-weight:700;line-height:1.2;color:#fff;font-family:Roboto,Verdana,sans-serif}.runtimecalc__splits{margin-top:0}.runtimecalc__table{width:100%;border:1px solid rgb(255 255 255 / .18);border-radius:0;overflow:hidden}.runtimecalc__table-header{display:flex;justify-content:space-between;gap:16px;padding:10px 16px;background:rgb(255 255 255 / .08);font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#bcd1e8;border-bottom:1px solid rgb(255 255 255 / .14)}.runtimecalc__row{padding:12px 16px;font-size:14px;border-bottom:1px solid rgb(255 255 255 / .08)}.runtimecalc__row:last-child{border-bottom:0}.runtimecalc__row:nth-child(odd){background:rgb(226 178 111 / .08)}.runtimecalc__row:nth-child(even){background:rgb(255 255 255 / .03)}.runtimecalc__row span:first-child{color:#dbe5f0;font-weight:600}.runtimecalc__row span:last-child{font-weight:700;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:.04em}.runtimecalc__badge{display:inline-flex;align-items:center;gap:10px;padding:6px 10px;background:var(--rc-blue-soft);color:var(--rc-blue-deep);border:1px solid #cfe0f4;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin:0 0 12px}.runtimecalc__panel--results .runtimecalc__badge{background:rgb(226 178 111 / .12);color:var(--rc-gold);border-color:rgb(226 178 111 / .3)}.runtimecalc__badge-dot{width:8px;height:8px;background:var(--rc-blue);box-shadow:0 0 0 4px rgb(28 109 208 / .14)}.runtimecalc__panel--results .runtimecalc__badge-dot{background:var(--rc-gold);box-shadow:0 0 0 4px rgb(226 178 111 / .16)}.runtimecalc__share{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:1px solid rgb(255 255 255 / .18)}.runtimecalc__share-btn{display:inline-flex;align-items:center;justify-content:center;gap:0;min-width:0;min-height:56px;aspect-ratio:1 / 1;padding:8px;border:0;border-right:1px solid rgb(255 255 255 / .16);border-bottom:1px solid rgb(255 255 255 / .16);background:rgb(255 255 255 / .04);color:#fff;font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:background 0.18s ease,color 0.18s ease,border-color 0.18s ease,transform 0.18s ease;border-radius:0}.runtimecalc__share-btn:nth-child(5n){border-right:0}.runtimecalc__share-btn.is-primary{background:var(--rc-gold);border-color:var(--rc-gold);color:var(--rc-ink)}.runtimecalc__share-btn.is-outline{background:#fff0;border-color:var(--rc-gold);color:var(--rc-gold)}.runtimecalc__share-btn:hover{background:rgb(226 178 111 / .14);color:#fff;transform:translateY(-1px)}.runtimecalc__share-btn.is-primary:hover{background:var(--rc-gold-dark);border-color:var(--rc-gold-dark);color:#fff}.runtimecalc__share-btn.is-outline:hover{background:var(--rc-gold);color:var(--rc-ink)}.runtimecalc__share-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;font-size:22px;line-height:1}.runtimecalc__share-status{margin:12px 0 0;padding:10px 12px;background:rgb(226 178 111 / .12);color:#e7ca9b;border-left:3px solid var(--rc-gold);font-size:13px;font-weight:600}.runtimecalc__share-status.is-error{background:#f2dede;color:#7a1e19;border-left-color:var(--rc-error)}.runtimecalc__login-hint{margin-top:12px;padding:10px 12px;background:rgb(28 109 208 / .1);border-left:3px solid var(--rc-blue);color:#cfe0f4;display:inline-flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.45}.runtimecalc__login-hint a{color:#fff;text-decoration:underline;text-underline-offset:2px;font-weight:700}.runtimecalc__login-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:18px;font-size:14px;line-height:1;margin-top:1px}.runtimecalc__history{padding:28px;background:#fff;border-top:1px solid var(--rc-lines)}.runtimecalc__history-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.runtimecalc__history-head-actions{flex:0 0 auto;display:inline-flex;align-items:center;gap:12px;margin-left:auto}.runtimecalc__history-sync{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:var(--rc-blue-soft);border:1px solid #cfe0f4;color:var(--rc-blue-deep);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:11px}.runtimecalc__history-sync-dot{width:8px;height:8px;background:#228a5e;box-shadow:0 0 0 4px rgb(34 138 94 / .16)}.runtimecalc__history-title{margin:8px 0 6px;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:20px;color:var(--rc-ink);font-weight:500}.runtimecalc__history-subtitle{margin:0;color:var(--rc-ink-muted);font-size:13px;max-width:72ch}.runtimecalc__history-clear{flex:0 0 auto;min-width:48px;min-height:48px;width:48px;height:48px;padding:0;border:1px solid #d5c6ae;border-radius:0;background:var(--rc-gold-soft);color:#5b451e;font-family:inherit;font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background 0.18s ease,color 0.18s ease,border-color 0.18s ease,transform 0.18s ease}.runtimecalc__history-clear-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;line-height:1;font-size:20px}.runtimecalc__history-clear:hover{background:var(--rc-gold);border-color:var(--rc-gold);color:var(--rc-ink);transform:translateY(-1px)}.runtimecalc__history-list{border:1px solid var(--rc-lines-strong);border-radius:0;overflow:hidden}.runtimecalc__history-empty{margin:0;padding:16px 18px;color:var(--rc-ink-muted);background:var(--rc-bg);font-size:13px}.runtimecalc__history-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,2fr) minmax(0,180px);gap:16px;padding:16px 18px;border-bottom:1px solid var(--rc-lines);background:#fff}.runtimecalc__history-card:nth-child(even){background:#fbfcfd}.runtimecalc__history-card:last-child{border-bottom:0}.runtimecalc__history-meta{display:flex;flex-direction:column;gap:6px}.runtimecalc__history-name{margin:0;font-family:"Bree Serif",Roboto,Verdana,sans-serif;font-size:16px;color:var(--rc-ink);font-weight:500;display:flex;flex-wrap:wrap;align-items:center;gap:10px}.runtimecalc__history-source{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid var(--rc-lines-strong);background:#fff;color:var(--rc-ink-muted);font-family:inherit;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.runtimecalc__history-source.is-server{border-color:#cfe0f4;background:var(--rc-blue-soft);color:var(--rc-blue-deep)}.runtimecalc__history-source.is-session{border-color:#efe1bf;background:#fff7e8;color:#7a5b1e}.runtimecalc__history-source.is-local{border-color:#d9e6f5;background:#f3f8fd;color:#2c4f82}.runtimecalc__history-date{margin:0;color:var(--rc-ink-muted);font-size:12px}.runtimecalc__history-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--rc-lines)}.runtimecalc__history-stat{padding:10px 12px;border-right:1px solid var(--rc-lines)}.runtimecalc__history-stat:last-child{border-right:0}.runtimecalc__history-stat-label{margin:0 0 4px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--rc-blue-deep);font-weight:700}.runtimecalc__history-stat-value{margin:0;font-size:14px;font-weight:700;color:var(--rc-ink)}.runtimecalc__history-actions{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:flex-end;align-items:center;align-content:flex-end;gap:10px}.runtimecalc__history-button{display:inline-flex;align-items:center;justify-content:center;gap:0;flex:0 0 auto;width:44px;height:44px;min-width:0;min-height:0;padding:0;border-radius:0;border:1px solid var(--rc-blue);background:#fff;color:var(--rc-blue-deep);font-family:inherit;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background 0.18s ease,color 0.18s ease,border-color 0.18s ease,transform 0.18s ease}.runtimecalc__history-button-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;line-height:1;font-size:18px}.runtimecalc__history-button:hover{background:var(--rc-blue-soft);transform:translateY(-1px)}.runtimecalc__history-button.is-primary{background:var(--rc-blue);color:#fff;border-color:var(--rc-blue)}.runtimecalc__history-button.is-primary:hover{background:var(--rc-blue-strong);border-color:var(--rc-blue-strong);color:#fff}.runtimecalc__history-button.is-ghost{border-color:#e3d3b4;color:#6d522a;background:#fff9ef}.runtimecalc__history-button.is-ghost:hover{background:var(--rc-gold-soft)}.runtimecalc__footer{padding:14px 28px;background:var(--rc-paper);color:var(--rc-ink-muted);font-size:12px;border-top:1px solid var(--rc-lines)}.runtimecalc__footer strong{color:var(--rc-blue-deep)}@media (max-width:980px){.runtimecalc__body{grid-template-columns:1fr}.runtimecalc__panel--controls{border-right:0;border-bottom:1px solid var(--rc-lines)}.runtimecalc__summary{grid-template-columns:repeat(2,minmax(0,1fr))}.runtimecalc__result:nth-child(2n){border-right:0}.runtimecalc__result:nth-last-child(-n+2){border-bottom:0}.runtimecalc__result:nth-last-child(-n+4){border-bottom:1px solid rgb(255 255 255 / .16)}.runtimecalc__result:nth-last-child(-n+2){border-bottom:0}.runtimecalc__share{grid-template-columns:repeat(5,minmax(0,1fr))}.runtimecalc__share-btn:nth-child(5n){border-right:0}.runtimecalc__history{padding:22px 18px}.runtimecalc__history-card{grid-template-columns:1fr}.runtimecalc__history-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.runtimecalc__history-stat:nth-child(2n){border-right:0}.runtimecalc__history-actions{align-items:stretch;justify-content:flex-start}.runtimecalc__history-button{width:48px;height:48px}}@media (max-width:640px){.runtimecalc__topbar,.runtimecalc__hero,.runtimecalc__panel,.runtimecalc__footer,.runtimecalc__history{padding-left:18px;padding-right:18px}.runtimecalc__title{font-size:22px}.runtimecalc__buttons,.runtimecalc__mode-switch{border-right:1px solid var(--rc-lines-strong)}.runtimecalc__chip,.runtimecalc__mode{flex:1 1 50%}.runtimecalc__result-value{font-size:20px}.runtimecalc__share{grid-template-columns:repeat(5,minmax(0,1fr))}.runtimecalc__share-btn:nth-child(5n){border-right:0}.runtimecalc__share-btn{min-height:52px}.runtimecalc__history-head{flex-direction:row;align-items:flex-start}.runtimecalc__history-clear{width:48px;height:48px;flex:0 0 48px}.runtimecalc__history-stats{grid-template-columns:1fr 1fr}}.runtimecalc__tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--rc-lines);border-bottom:1px solid var(--rc-lines);background:#fff}.runtimecalc__tab{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:72px;padding:12px 10px;border:0;border-right:1px solid var(--rc-lines-strong);border-bottom:3px solid #fff0;background:#fff;color:var(--rc-blue-deep);cursor:pointer;font-family:inherit;font-weight:700;font-size:11px;letter-spacing:.08em;text-transform:uppercase;transition:background 0.18s ease,color 0.18s ease,border-color 0.18s ease;border-radius:0}.runtimecalc__tab:last-child{border-right:0}.runtimecalc__tab-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;font-size:22px;line-height:1}.runtimecalc__tab-label{text-align:center;line-height:1.2}.runtimecalc__tab:hover{background:var(--rc-blue-soft);color:var(--rc-ink)}.runtimecalc__tab.is-active{background:var(--rc-gold-soft);color:var(--rc-ink);border-bottom-color:var(--rc-gold)}.runtimecalc__tool{display:none}.runtimecalc__tool.is-active{display:block}@media (max-width:980px){.runtimecalc__tabs{grid-template-columns:repeat(5,minmax(0,1fr))}.runtimecalc__tab-label{display:none}.runtimecalc__tab{min-height:64px}}@media (max-width:640px){.runtimecalc__tabs{grid-template-columns:repeat(5,minmax(0,1fr))}.runtimecalc__tab{min-height:60px;padding:10px 6px}.runtimecalc__tab-icon{width:24px;height:24px;font-size:20px}}.runtimecalc__tool-hero{background:linear-gradient(180deg,#f7fafc 0%,#ffffff 100%);border:1px solid var(--rc-border);border-left:4px solid var(--rc-blue);padding:24px 28px;margin-bottom:18px}.runtimecalc__tool-eyebrow{margin:0 0 6px 0;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--rc-blue)}.runtimecalc__tool-title{margin:0 0 10px 0;font-size:22px;line-height:1.25;font-weight:800;color:var(--rc-ink);font-family:inherit}.runtimecalc__tool-subtitle{margin:0;font-size:14px;line-height:1.6;color:var(--rc-ink-soft)}@media (max-width:980px){.runtimecalc__tool-hero{padding:18px 18px}.runtimecalc__tool-title{font-size:19px}.runtimecalc__tool-subtitle{font-size:13.5px}}@media (max-width:640px){.runtimecalc__tool-hero{padding:16px 14px;border-left-width:3px}.runtimecalc__tool-title{font-size:17px}.runtimecalc__tool-subtitle{font-size:13px}}