.main-container{max-width:1000px;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 1.5rem;line-height:1.6}.input-card,.result-card{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{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-grid{flex-direction:column;gap:1rem;display:flex}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input,.form-group 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);transition:var(--calc-transition-default,border-color .15s);padding:.65rem .85rem;font-size:1.05rem}.form-group input:focus,.form-group select:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.unit-row{flex-wrap:wrap;align-items:flex-end;gap:.75rem;display:flex}.unit-row .form-group{flex:180px}.swap-btn{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);width:44px;height:44px;color:var(--calc-cyan);cursor:pointer;transition:var(--calc-transition-default,border-color .15s, transform .15s);border-radius:50%;flex:none;font-size:1.15rem;line-height:1}.swap-btn:hover{border-color:var(--calc-cyan);transform:rotate(180deg)}.swap-btn:focus-visible{outline:2px solid var(--calc-cyan);outline-offset:2px}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.interpretation{border-radius:var(--calc-radius-md);background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle,#ffffff14);border-left:3px solid var(--calc-cyan);color:var(--calc-text-faded);margin-top:.9rem;padding:.9rem 1rem;font-size:.9rem;line-height:1.6}.travel-breakdown{flex-wrap:wrap;gap:.75rem;margin-bottom:.9rem;display:flex}.travel-chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);flex-direction:column;align-items:center;gap:.15rem;min-width:72px;padding:.75rem .5rem;display:flex}.travel-num{font-family:var(--calc-font-mono);color:var(--calc-cyan);font-size:1.4rem}.travel-unit{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem}.table-wrap{overflow-x:auto}.ref-table{border-collapse:collapse;width:100%;font-size:.9rem}.ref-table th,.ref-table td{text-align:left;border-bottom:1px solid var(--calc-border-subtle,#ffffff14);color:var(--calc-text-faded);padding:.55rem .75rem}.ref-table th{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem}.ref-table tbody tr:last-child td{border-bottom:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}@media (width<=600px){.unit-row{flex-direction:column;align-items:stretch}.swap-btn{align-self:center}}[data-theme=light] .input-card,[data-theme=light] .result-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input,[data-theme=light] .form-group select{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .swap-btn{color:#0891b2;background:#f0f4f9;border-color:#00000026}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .interpretation{color:#334155;background:#eff9fb;border-color:#0891b240 #0891b240 #0891b240 #0891b2}[data-theme=light] .travel-chip{background:#f0f4f9;border-color:#0000001f}[data-theme=light] .travel-num{color:#0891b2}[data-theme=light] .ref-table th,[data-theme=light] .ref-table td{color:#334155;border-bottom-color:#00000014}[data-theme=light] .ref-table th{color:#64748b}