:root{--accent:var(--calc-color-sports)}.main-container{max-width:1200px;margin:0 auto;padding:1.5rem 1.5rem 3rem}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);margin:0 0 1.25rem;line-height:1.5}.fuel-disclaimer{background:var(--calc-bg-glass);border:1px solid var(--calc-border-default);border-left:3px solid var(--accent);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);align-items:flex-start;gap:.7rem;margin-bottom:1.25rem;padding:.85rem 1.1rem;font-size:.85rem;line-height:1.55;display:flex}.fuel-disclaimer p{margin:0}.fuel-disclaimer__icon{flex-shrink:0;font-size:1.1rem}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{border-radius:var(--calc-radius-md);border:1px solid var(--calc-border-default);background:var(--calc-bg-input);color:var(--calc-text-faded);cursor:pointer;padding:.5rem .9rem;font-family:inherit;font-size:.82rem;transition:border-color .2s,color .2s}.action-btn:hover{border-color:var(--accent);color:var(--accent)}.action-btn--reset:hover{border-color:var(--calc-rose);color:var(--calc-rose)}.tab-nav{border-bottom:1px solid var(--calc-border-default);flex-wrap:wrap;gap:0;margin-bottom:1.5rem;display:flex}.tab-btn{color:var(--calc-text-faded);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:.65rem 1.3rem;font-family:inherit;font-size:.9rem;transition:color .2s,border-color .2s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-grid{grid-template-columns:1fr 1fr;align-items:start;gap:1.25rem;display:grid}@media (width<=900px){.calc-grid{grid-template-columns:1fr}}.input-card,.result-card,.chart-section{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-bottom:1.25rem;padding:1.25rem 1.5rem}.card-title,.mini-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:1rem}.input-row{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;display:grid}@media (width<=560px){.input-row{grid-template-columns:1fr}}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.form-group input,.form-group select,select{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-mono);width:100%;padding:.6rem .8rem;font-size:1rem;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--accent);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.input-with-unit{align-items:center;gap:.5rem;display:flex}.input-with-unit input{flex:1;min-width:0}.input-with-unit select{flex-shrink:0;width:auto}.unit-suffix{color:var(--calc-text-dim);flex-shrink:0;font-size:.85rem}.unit-toggle{border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);flex-shrink:0;display:flex;overflow:hidden}.unit-toggle__btn{background:var(--calc-bg-input);color:var(--calc-text-faded);cursor:pointer;border:none;padding:.6rem .7rem;font-family:inherit;font-size:.85rem}.unit-toggle__btn.active{background:var(--accent);color:#06121f;font-weight:700}.time-input-group{align-items:center;gap:.35rem;display:flex}.time-input-group input{text-align:center;flex:none;width:4.5rem}.time-sep{color:var(--calc-text-dim);font-size:.85rem}.result-value{font-family:var(--calc-font-mono);color:var(--accent);margin-bottom:.3rem;font-size:clamp(1.6rem,4vw,2.3rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.result-interpretation{background:var(--calc-bg-glass);border-left:3px solid var(--accent);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);margin:1rem 0 0;padding:.8rem 1rem;font-size:.85rem;line-height:1.55}.scenario-compare{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-bottom:1.25rem;padding:1.25rem 1.5rem}.scenario-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}@media (width<=640px){.scenario-grid{grid-template-columns:1fr}}.scenario-card{border-radius:var(--calc-radius-md);background:var(--calc-bg-input);border:1px solid var(--calc-border-default);padding:1rem 1.1rem}.scenario-card.sc-alt{border-color:color-mix(in srgb, var(--accent) 40%, transparent);background:color-mix(in srgb, var(--accent) 8%, var(--calc-bg-input))}.sc-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);margin-bottom:.4rem;font-size:.78rem}.sc-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.3rem;font-weight:700}.sc-sub{color:var(--calc-text-faded);margin:.2rem 0 .4rem;font-size:.85rem}.sc-note{color:var(--calc-text-faded);font-size:.82rem;line-height:1.5}.sc-delta{background:var(--calc-bg-glass);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);margin:1rem 0 0;padding:.8rem 1rem;font-size:.86rem;line-height:1.55}.table-scroll{overflow-x:auto}.sched-table{border-collapse:collapse;width:100%;min-width:420px;font-size:.88rem}.sched-table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-dim);border-bottom:1px solid var(--calc-border-default);padding:.55rem .7rem;font-size:.72rem;font-weight:600}.sched-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);padding:.6rem .7rem}.sched-table tr:last-child td{border-bottom:none}.sched-table tr.gel-row td:first-child{color:var(--accent);font-weight:600}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .chart-section,[data-theme=light] .scenario-compare{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .fuel-disclaimer{background:#fffaf5;border-color:#c2410c4d}[data-theme=light] .form-group input,[data-theme=light] .form-group select,[data-theme=light] select{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn{color:#475569;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .tab-btn{color:#64748b}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:#c2410c;border-bottom-color:#c2410c}[data-theme=light] .unit-toggle__btn{color:#475569;background:#f0f4f9}[data-theme=light] .unit-toggle__btn.active{color:#fff;background:#c2410c}[data-theme=light] .result-interpretation,[data-theme=light] .sc-delta{background:#fff7ed;border-left-color:#c2410c}[data-theme=light] .scenario-card{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .scenario-card.sc-alt{background:#fff1e6;border-color:#c2410c59}[data-theme=light] .sched-table th{color:#475569;border-bottom-color:#0000001a}[data-theme=light] .sched-table td{color:#0f172a;border-bottom-color:#0000000f}[data-theme=light] .sched-table tr.gel-row td:first-child{color:#c2410c}@media (width<=480px){.page-title{font-size:1.6rem}.tab-btn{padding:.5rem .85rem;font-size:.83rem}}