body{background:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh}.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-header{margin-bottom:20px}.page-title{font-family:var(--calc-font-headline);letter-spacing:-.02em;background:linear-gradient(135deg, var(--calc-color-automotive), var(--calc-purple));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:800}.page-subtitle{color:var(--calc-text-dim);max-width:72ch;margin:0;font-size:1rem;line-height:1.6}.action-bar{margin:16px 0 20px}.tab-bar{border-bottom:2px solid var(--calc-border-default);scrollbar-width:none;gap:4px;margin:4px 0 20px;display:flex;overflow-x:auto}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{cursor:pointer;color:var(--calc-text-dim);white-space:nowrap;background:0 0;border:none;padding:10px 18px;font-size:.88rem}.tab-btn.active{color:var(--calc-color-automotive)}.tab-btn:hover{color:var(--calc-text-primary)}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start;gap:24px;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-bottom:20px;padding:20px 24px}.card-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 14px;font-size:.85rem}.field-hint{color:var(--calc-text-dim);margin:6px 0 0;font-size:.78rem;line-height:1.5}.card-title+.field-hint{margin:-4px 0 14px}.form-group{flex-direction:column;gap:.4rem;margin-bottom:14px;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.form-group input{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);padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input:focus{border-color:var(--calc-color-automotive);outline:none}.hero-result{text-align:left;margin-bottom:18px}.hero-label{color:var(--calc-text-faded);margin-bottom:6px;font-size:.85rem}.hero-value{font-family:var(--calc-font-mono);color:var(--calc-color-automotive);font-size:clamp(2rem,5vw,2.8rem);font-weight:700;line-height:1.1}.hero-sub.result-detail{color:var(--calc-text-faded);margin-top:6px;line-height:1.5}.stat-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin:8px 0 4px;display:grid}.stat-cell{border:1px solid var(--calc-border-default);text-align:center;background:#ffffff08;border-radius:8px;padding:12px}.stat-val{font-family:var(--calc-font-mono);color:var(--calc-text-primary);margin-bottom:4px;font-size:1.05rem;font-weight:700}.stat-label{color:var(--calc-text-dim);font-size:.7rem;line-height:1.3}@media (width<=480px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.interp-panel{border:1px solid #38bdf838;border-left:3px solid var(--calc-color-automotive);border-radius:var(--calc-radius-md);background:#38bdf80f;margin-top:14px;padding:14px 16px}.interp-text{color:var(--calc-text-faded);margin:0;font-size:.9rem;line-height:1.65}.alert-overload{border:1px solid #fb718559;border-left:3px solid var(--calc-rose,#fb7185);border-radius:var(--calc-radius-md);color:var(--calc-rose,#fb7185);background:#fb71851a;margin-top:14px;padding:12px 16px;font-size:.88rem;font-weight:600;line-height:1.5}.includes-list{color:var(--calc-text-faded);margin:10px 0 16px;padding-left:1.25rem;font-size:.9rem;line-height:1.7}.includes-list li{margin-bottom:6px}.includes-list strong{color:var(--calc-text-primary)}@media print{.action-bar,.tab-bar,.glass-navbar,.calc-back-to-top,.nav-toggle{display:none}}[data-theme=light] .page-subtitle{color:#475569}[data-theme=light] .field-hint{color:#64748b}[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .card-title{color:#64748b}[data-theme=light] .form-group label{color:#334155}[data-theme=light] .form-group input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .form-group input:focus{border-color:#0369a1}[data-theme=light] .page-title{background:linear-gradient(135deg,#0369a1,#7c3aed);-webkit-background-clip:text;background-clip:text}[data-theme=light] .tab-bar{border-bottom-color:#0000001f}[data-theme=light] .tab-btn{color:#475569}[data-theme=light] .tab-btn.active{color:#0369a1}[data-theme=light] .hero-label{color:#475569}[data-theme=light] .hero-value{color:#0369a1}[data-theme=light] .hero-sub.result-detail{color:#475569}[data-theme=light] .stat-cell{background:#f0f4f9;border-color:#0000001f}[data-theme=light] .stat-val{color:#0f172a}[data-theme=light] .stat-label{color:#64748b}[data-theme=light] .interp-panel{background:#eff9fb;border-color:#0369a14d #0369a14d #0369a14d #0369a1}[data-theme=light] .interp-text{color:#334155}[data-theme=light] .alert-overload{color:#9f1239;background:#fff1f2;border-color:#e11d4859 #e11d4859 #e11d4859 #e11d48}[data-theme=light] .includes-list{color:#475569}[data-theme=light] .includes-list strong{color:#0f172a}