.main-container{max-width:960px;margin:0 auto;padding:1.5rem 1.5rem 3rem}.breadcrumb{color:var(--calc-text-dim);align-items:center;gap:.4rem;margin:0 0 1rem;font-size:.85rem;display:flex}.breadcrumb a{color:var(--calc-text-faded);text-decoration:none}.breadcrumb a:hover{color:var(--calc-cyan)}.breadcrumb .sep{color:var(--calc-text-dim)}.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}.privacy-banner{border-radius:var(--calc-radius-md);color:var(--calc-text-faded);background:#22d3ee14;border:1px solid #22d3ee4d;align-items:flex-start;gap:.65rem;margin-bottom:1.25rem;padding:.85rem 1rem;font-size:.88rem;line-height:1.5;display:flex}.privacy-banner__icon{font-size:1.1rem;line-height:1.3}.privacy-banner code{font-family:var(--calc-font-mono);background:#ffffff14;border-radius:4px;padding:.05rem .35rem;font-size:.85em}.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}.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 textarea{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);resize:vertical;padding:.65rem .85rem;font-size:1.05rem}.form-group input:focus,.form-group textarea:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.option-set{border:none;margin:.5rem 0 0;padding:.75rem 0 0}.check-row{color:var(--calc-text-primary);cursor:pointer;align-items:center;gap:.5rem;font-size:.9rem;display:flex}.check-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--calc-cyan);cursor:pointer}.result-value-row{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);overflow-wrap:break-word;font-size:clamp(1.6rem,4.5vw,2.4rem)}.icon-copy{background:var(--calc-bg-glass,#ffffff0d);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;flex-shrink:0;padding:.4rem .7rem;font-size:.8rem;transition:color .15s,border-color .15s}.icon-copy:hover{color:var(--calc-cyan);border-color:var(--calc-cyan)}.result-detail{color:var(--calc-text-faded);margin-top:.3rem;line-height:1.5}.pick-warn{color:var(--calc-rose,#fb7185);border-radius:var(--calc-radius-md);background:#fb71851a;border:1px solid #fb718559;margin-top:.85rem;padding:.6rem .85rem;font-size:.85rem;line-height:1.5}.pick-controls{margin-top:1rem}.btn-primary{background:var(--calc-cyan);color:#07101f;border-radius:var(--calc-radius-md);font-family:var(--calc-font-headline);cursor:pointer;border:none;padding:.75rem 1.5rem;font-size:.95rem;font-weight:700;transition:transform .15s,box-shadow .15s,opacity .15s}.btn-primary:hover:not(:disabled){box-shadow:0 4px 16px var(--calc-cyan-dim,#22d3ee59);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.interp-card{border-top:1px solid var(--calc-border-subtle,#ffffff14);margin-top:1rem;padding-top:1rem}.interp-body{color:var(--calc-text-faded);margin:0;font-size:.9rem;line-height:1.6}.result-list{color:var(--calc-text-primary);margin:.85rem 0 0;padding-left:1.5rem;line-height:1.7;list-style:decimal}.result-list li{padding:.15rem 0}.action-bar{border-top:1px solid var(--calc-border-subtle,#ffffff14);flex-wrap:wrap;gap:.5rem;margin-top:1.25rem;padding-top:1rem;display:flex}.action-btn{background:var(--calc-bg-glass,#ffffff0d);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;padding:.55rem .9rem;font-size:.85rem;transition:color .15s,border-color .15s}.action-btn:hover{color:var(--calc-text-primary);border-color:var(--calc-cyan)}.action-btn--reset:hover{color:var(--calc-rose,#fb7185);border-color:var(--calc-rose,#fb7185)}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono);color:var(--calc-text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__question:hover{color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-faded);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[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 textarea{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .form-group input:focus,[data-theme=light] .form-group textarea:focus{border-color:#0891b2}[data-theme=light] .breadcrumb a{color:#475569}[data-theme=light] .breadcrumb a:hover{color:#0891b2}[data-theme=light] .privacy-banner{color:#334155;background:#eff9fb;border-color:#0891b24d}[data-theme=light] .privacy-banner code{background:#0000000f}[data-theme=light] .check-row{color:#0f172a}[data-theme=light] .check-row input[type=checkbox]{accent-color:#0891b2}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .icon-copy{color:#475569;background:#f0f4f9;border-color:#00000026}[data-theme=light] .icon-copy:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .pick-warn{color:#e11d48;background:#fff1f2;border-color:#e11d4859}[data-theme=light] .btn-primary{color:#fff;background:#0891b2}[data-theme=light] .btn-primary:hover:not(:disabled){box-shadow:0 4px 14px #0891b24d}[data-theme=light] .interp-card{border-top-color:#0000001a}[data-theme=light] .interp-body{color:#475569}[data-theme=light] .result-list{color:#1e293b}[data-theme=light] .action-bar{border-top-color:#0000001a}[data-theme=light] .action-btn{color:#475569;background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn:hover{color:#0f172a;border-color:#0891b2}[data-theme=light] .action-btn--reset:hover{color:#e11d48;border-color:#e11d48}[data-theme=light] .faq-item__question{color:#0f172a}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0891b2}[data-theme=light] .faq-item__answer{color:#475569}