.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-header{margin-bottom:20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);letter-spacing:-.02em;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:75ch;margin:0;font-size:1rem;line-height:1.6}.action-bar{flex-wrap:wrap;gap:10px;margin:18px 0 24px;display:flex}.action-btn{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-headline);cursor:pointer;align-items:center;gap:6px;padding:.55rem 1rem;font-size:.85rem;font-weight:600;transition:border-color .15s,background-color .15s;display:inline-flex}.action-btn:hover{border-color:var(--calc-cyan)}.action-btn--reset:hover{border-color:var(--calc-rose)}.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:.95rem}.card-header-flex{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:1rem;display:flex}.card-header-flex .card-title{margin:0}.presets-wrap{margin-bottom:16px}.presets-label{font-size:.82rem;font-family:var(--calc-font-headline);color:var(--calc-text-dim);justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.presets-grid{flex-wrap:wrap;gap:8px;display:flex}.preset-chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-size:.8rem;font-family:var(--calc-font-mono);cursor:pointer;white-space:nowrap;padding:6px 12px;transition:all .15s}.preset-chip:hover{border-color:var(--calc-cyan);color:var(--calc-cyan);background:color-mix(in srgb, var(--calc-cyan) 8%, var(--calc-bg-input))}.preset-chip.active{border-color:var(--calc-cyan);color:#0f172a;background:var(--calc-cyan);font-weight:700}.aspect-badge{font-family:var(--calc-font-mono);color:var(--calc-cyan);background:#22d3ee1a;border:1px solid #22d3ee40;border-radius:9999px;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.unit-toggle{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);align-items:center;gap:2px;padding:2px;display:inline-flex}.unit-btn{color:var(--calc-text-dim);font-family:var(--calc-font-mono);border-radius:calc(var(--calc-radius-md) - 2px);cursor:pointer;background:0 0;border:none;padding:3px 8px;font-size:.75rem;font-weight:600;transition:all .15s}.unit-btn:hover{color:var(--calc-text-primary)}.unit-btn.active{background:var(--calc-cyan);color:#0f172a;font-weight:700}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;display:grid}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group-label-row{justify-content:space-between;align-items:center;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.form-group input,.glass-input,.select-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);width:100%;padding:.6rem .8rem;font-size:1rem;transition:border-color .15s}.select-input{font-family:var(--calc-font-headline);cursor:pointer}.form-group input:focus,.glass-input:focus,.select-input:focus{border-color:var(--calc-cyan);outline:none}.field-hint{color:var(--calc-text-dim);font-size:.78rem;line-height:1.5}.tab-bar{border-bottom:1px solid var(--calc-border-default);flex-wrap:wrap;gap:6px;margin:20px 0;display:flex}.tab-btn{color:var(--calc-text-dim);font-family:var(--calc-font-headline);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:.7rem 1rem;font-size:.9rem;font-weight:600;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn:focus-visible{outline:2px solid var(--calc-cyan);outline-offset:2px}.tab-btn.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}.tab-content[hidden]{display:none}.calc-grid{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start;gap:24px;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.hero-result{margin-bottom:16px}.hero-label{font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--calc-text-dim);margin-bottom:4px;font-size:.75rem}.hero-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);font-size:clamp(1.8rem,5vw,2.5rem);font-weight:700;line-height:1.15}.hero-sub{color:var(--calc-text-faded);margin-top:4px;font-size:.9rem;line-height:1.5}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:16px 0;display:grid}.stat-cell{background:color-mix(in srgb, var(--calc-bg-input) 60%, transparent);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:10px 12px}.stat-val{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.05rem;font-weight:700}.stat-label{color:var(--calc-text-dim);margin-top:2px;font-size:.72rem}.interp-panel{border:1px solid #22d3ee38;border-left:3px solid var(--calc-cyan);border-radius:var(--calc-radius-md);background:#22d3ee0f;margin-top:14px;padding:14px 16px}.interp-text{color:var(--calc-text-faded);margin:0;font-size:.88rem;line-height:1.65}.screen-visualizer-card{margin-top:14px}.screen-viz-wrap{background:color-mix(in srgb, var(--calc-bg-input) 40%, transparent);border:1px dashed var(--calc-border-strong);border-radius:var(--calc-radius-lg);flex-direction:column;justify-content:center;align-items:center;min-height:190px;padding:28px 16px 36px;display:flex}.screen-silhouette{border:3px solid var(--calc-cyan);background:radial-gradient(#22d3ee1f 0%,#0f172a99 100%);border-radius:8px;flex-direction:column;justify-content:center;align-items:center;min-width:140px;max-width:90%;min-height:80px;padding:12px;transition:all .25s;display:flex;position:relative;box-shadow:0 4px 20px #22d3ee26,inset 0 0 12px #22d3ee1a}.screen-silhouette__chin{background:var(--calc-border-strong);border-radius:0 0 6px 6px;width:60px;height:10px;position:absolute;bottom:-10px}.screen-silhouette__stand{background:var(--calc-border-subtle);border-radius:4px;width:90px;height:8px;position:absolute;bottom:-18px}.screen-silhouette__content{text-align:center;z-index:2}.screen-silhouette__res{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:.95rem;font-weight:700}.screen-silhouette__dims{color:var(--calc-text-dim);margin-top:2px;font-size:.78rem}.screen-silhouette__density{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-top:4px;font-size:.8rem;font-weight:600}.comparator-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.compare-diff-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-bottom:20px;display:grid}.compare-diff-card{background:color-mix(in srgb, var(--calc-bg-input) 60%, transparent);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:12px}.compare-diff-label{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;font-size:.75rem}.compare-diff-val{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.15rem;font-weight:700}.delta-pill{font-family:var(--calc-font-mono);border-radius:9999px;margin-top:4px;padding:2px 8px;font-size:.75rem;font-weight:700;display:inline-block}.delta-pill--pos{color:#10b981;background:#10b9811f;border:1px solid #10b98140}.delta-pill--neg{color:#f43f5e;background:#f43f5e1f;border:1px solid #f43f5e40}.delta-pill--zero{color:var(--calc-text-dim);background:#94a3b81f;border:1px solid #94a3b840}.dual-silhouette-container{background:color-mix(in srgb, var(--calc-bg-input) 40%, transparent);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-lg);justify-content:center;align-items:flex-end;gap:32px;margin-bottom:20px;padding:24px 16px 36px;display:flex;overflow-x:auto}.silhouette-item{text-align:center;flex-direction:column;align-items:center;display:flex}.silhouette-tag{color:var(--calc-text-dim);margin-bottom:8px;font-size:.78rem;font-weight:600}.silhouette-box{box-sizing:border-box;border-radius:6px;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex}.silhouette-box--a{border:2px solid var(--calc-cyan);background:#22d3ee14}.silhouette-box--b{background:#fbbf2414;border:2px solid #fbbf24}.silhouette-box__label{font-family:var(--calc-font-mono);font-size:.75rem;font-weight:600}.retina-status-badge{border-radius:9999px;align-items:center;gap:6px;margin-top:8px;padding:4px 12px;font-size:.85rem;font-weight:700;display:inline-flex}.retina-status-badge--pass{color:#10b981;background:#10b98124;border:1px solid #10b9814d}.retina-status-badge--fail{color:#fbbf24;background:#fbbf2424;border:1px solid #fbbf244d}.distance-gauge{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);margin-top:14px;padding:12px 14px}.distance-gauge__title{color:var(--calc-text-dim);justify-content:space-between;margin-bottom:6px;font-size:.78rem;font-weight:600;display:flex}.distance-gauge__bar-wrap{background:var(--calc-border-strong);border-radius:9999px;height:10px;margin:8px 0;position:relative;overflow:hidden}.distance-gauge__fill{background:linear-gradient(90deg,#f43f5e 0%,#fbbf24 65%,#10b981 100%);border-radius:9999px;height:100%;transition:width .3s}.distance-gauge__labels{color:var(--calc-text-dim);justify-content:space-between;font-size:.72rem;display:flex}[data-scenario-compare]{margin-top:24px}.table-scroll{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:.88rem}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--calc-border-subtle);padding:8px 12px}.data-table th{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem;font-weight:600}.data-table td{color:var(--calc-text-primary);font-family:var(--calc-font-mono)}.data-table tr.current-row td{color:var(--calc-cyan);background:#22d3ee0f;font-weight:700}.scaling-table-card{margin-top:20px}.scale-tag{font-family:var(--calc-font-mono);color:var(--calc-cyan);background:#22d3ee1a;border-radius:4px;padding:2px 6px;font-size:.75rem;font-weight:700;display:inline-block}.scale-tag--recommended{color:#10b981;background:#10b98126;border:1px solid #10b9814d}.viz-card{margin-top:4px}.chart-wrap{margin:4px 0 6px}[data-theme=light] .page-subtitle{color:#475569}[data-theme=light] .action-btn{color:#0f172a;background:#fff;border-color:#00000026}[data-theme=light] .action-btn:hover{border-color:#0891b2}[data-theme=light] .action-btn--reset:hover{border-color:#e11d48}[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .preset-chip{color:#1e293b;background:#f1f5f9;border-color:#0000001f}[data-theme=light] .preset-chip:hover{color:#0891b2;background:#e0f2fe;border-color:#0891b2}[data-theme=light] .preset-chip.active{color:#fff;background:#0891b2;border-color:#0891b2}[data-theme=light] .aspect-badge{color:#0891b2;background:#e0f2fe;border-color:#0891b240}[data-theme=light] .unit-toggle{background:#f1f5f9;border-color:#00000026}[data-theme=light] .unit-btn.active{color:#fff;background:#0891b2}[data-theme=light] .form-group input,[data-theme=light] .glass-input,[data-theme=light] .select-input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .form-group input:focus,[data-theme=light] .glass-input:focus,[data-theme=light] .select-input:focus{border-color:#0891b2}[data-theme=light] .field-hint{color:#64748b}[data-theme=light] .tab-bar{border-bottom-color:#0000001f}[data-theme=light] .tab-btn{color:#64748b}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:#0891b2;border-bottom-color:#0891b2}[data-theme=light] .hero-label{color:#64748b}[data-theme=light] .hero-value{color:#0891b2}[data-theme=light] .hero-sub{color:#475569}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-val{color:#0f172a}[data-theme=light] .stat-label{color:#64748b}[data-theme=light] .interp-panel{background:#eff9fb;border-color:#0891b24d #0891b24d #0891b24d #0891b2}[data-theme=light] .interp-text{color:#334155}[data-theme=light] .screen-viz-wrap{background:#f8fafc;border-color:#00000026}[data-theme=light] .screen-silhouette{background:radial-gradient(#0891b214 0%,#f1f5f9cc 100%);border-color:#0891b2;box-shadow:0 4px 16px #0891b21a}[data-theme=light] .screen-silhouette__chin{background:#cbd5e1}[data-theme=light] .screen-silhouette__stand{background:#94a3b8}[data-theme=light] .compare-diff-card{background:#f1f5f9;border-color:#0000001a}[data-theme=light] .dual-silhouette-container{background:#f8fafc;border-color:#0000001a}[data-theme=light] .silhouette-box--a{background:#0891b20f;border-color:#0891b2}[data-theme=light] .silhouette-box--b{background:#b453090f;border-color:#b45309}[data-theme=light] .distance-gauge{background:#f8fafc;border-color:#0000001a}[data-theme=light] .distance-gauge__bar-wrap{background:#e2e8f0}[data-theme=light] .data-table th{color:#64748b}[data-theme=light] .data-table td{color:#0f172a}[data-theme=light] .data-table th,[data-theme=light] .data-table td{border-bottom-color:#0000001a}[data-theme=light] .data-table tr.current-row td{color:#0891b2;background:#eff9fb}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.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-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#0891b259;box-shadow:0 2px 10px #0891b214}[data-theme=light] .faq-item[open]{border-color:#0891b266 #0891b266 #0891b266 #0891b2;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0891b21a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[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;border-top:1px solid #0000000f;padding:12px 16px 16px}@media print{.action-bar,.glass-navbar,.calc-back-to-top,.nav-toggle,.presets-wrap{display:none}}