:root{--hrv-accent:#22d3ee;--hrv-accent-soft:#22d3ee1f}.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-title{font-family:var(--calc-font-headline);text-align:center;color:var(--calc-text-primary);margin:0 0 8px;font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800}.page-subtitle{text-align:center;color:var(--calc-text-muted);max-width:700px;margin:0 auto 20px;font-size:.98rem;line-height:1.6}.med-disclaimer{max-width:760px;color:var(--calc-text-muted);background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-left:3px solid var(--calc-amber);border-radius:var(--calc-radius-md);text-align:center;margin:0 auto 26px;padding:12px 16px;font-size:.84rem;line-height:1.55}.med-disclaimer strong{color:var(--calc-text-primary)}.outer-tabs{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:22px;display:flex}.outer-tabs .tab-btn{border:1px solid var(--calc-border-default);background:var(--calc-bg-card);color:var(--calc-text-muted);cursor:pointer;border-radius:999px;padding:10px 18px;font-size:.88rem;font-weight:600;transition:all .18s}.outer-tabs .tab-btn:hover{color:var(--calc-text-primary);border-color:var(--hrv-accent)}.outer-tabs .tab-btn.active{background:var(--hrv-accent);color:#06121b;border-color:var(--hrv-accent)}.tab-panel{display:none}.tab-panel.active{display:block}.calc-grid{grid-template-columns:minmax(300px,.9fr) 1.3fr;align-items:start;gap:20px;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-lg);box-shadow:var(--calc-shadow-card);padding:24px}.card-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 18px;font-size:1.1rem;font-weight:700}.card-lead{color:var(--calc-text-muted);margin:0 0 18px;font-size:.9rem;line-height:1.65}.form-group{margin-bottom:18px}.form-group label{color:var(--calc-text-faded);margin-bottom:7px;font-size:.85rem;font-weight:600;display:block}.opt-tag{color:var(--calc-text-dim);font-size:.78rem;font-weight:500}.form-group input[type=number],.form-group select,.suffix-wrap input{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);width:100%;color:var(--calc-text-primary);font-size:.95rem;font-family:var(--calc-font-mono);outline:none;padding:11px 13px;transition:border-color .18s}.form-group input:focus,.form-group select:focus{border-color:var(--hrv-accent)}.suffix-wrap{position:relative}.suffix-wrap input{padding-right:46px}.suffix{color:var(--calc-text-dim);font-size:.82rem;font-family:var(--calc-font-mono);pointer-events:none;position:absolute;top:50%;right:13px;transform:translateY(-50%)}.input-hint{color:var(--calc-text-dim);margin-top:6px;font-size:.76rem;line-height:1.5;display:block}.hero-result{text-align:center;border-bottom:1px solid var(--calc-border-subtle);margin-bottom:20px;padding:18px 0 22px}.verdict-badge{text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--calc-border-default);font-size:.74rem;font-weight:700;font-family:var(--calc-font-mono);border-radius:999px;margin-bottom:12px;padding:4px 12px;display:inline-block}.result-value{font-family:var(--calc-font-mono);color:var(--hrv-accent);font-size:clamp(2rem,6vw,3rem);font-weight:800;line-height:1.1}.result-detail{color:var(--calc-text-muted);margin-top:8px;font-size:.88rem}.stat-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;display:grid}.stat-cell{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:14px 12px}.stat-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);margin-bottom:6px;font-size:.72rem;display:block}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.5rem;font-weight:700;display:block}.stat-value.sm{font-size:1.05rem}.stat-unit{color:var(--calc-text-dim);font-size:.72rem}.compare-block{margin-bottom:18px}.device-note{color:var(--calc-text-muted);background:var(--hrv-accent-soft);border-radius:var(--calc-radius-md);border:1px solid #22d3ee40;margin-bottom:18px;padding:10px 13px;font-size:.82rem;line-height:1.55}.chart-wrap{height:220px;margin-bottom:20px;position:relative}.chart-wrap.tall{height:300px}.table-scroll{overflow-x:auto}.zone-table{border-collapse:collapse;width:100%;font-size:.85rem}.zone-table th{text-align:left;color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--calc-border-default);white-space:nowrap;padding:10px 12px;font-size:.74rem}.zone-table td{color:var(--calc-text-primary);border-bottom:1px solid var(--calc-border-subtle);font-family:var(--calc-font-mono);white-space:nowrap;padding:11px 12px}.zone-table td:first-child{font-family:var(--calc-font-headline)}.zone-table tr.rec-row{background:var(--hrv-accent-soft)}.rec-pill{text-transform:uppercase;letter-spacing:.04em;background:var(--hrv-accent);color:#06121b;font-size:.62rem;font-family:var(--calc-font-mono);vertical-align:middle;border-radius:999px;margin-left:6px;padding:2px 7px;display:inline-block}.muted{color:var(--calc-text-dim)}.zone-table td.pos{color:var(--calc-emerald)}.zone-table td.neg{color:var(--calc-rose)}.table-note{color:var(--calc-text-dim);margin-top:12px;font-size:.78rem;line-height:1.55}.interpretation{border-radius:var(--calc-radius-md);background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-left:3px solid var(--hrv-accent);align-items:flex-start;gap:11px;margin-top:20px;padding:14px 16px;display:flex}.interp-icon{flex-shrink:0;font-size:1.1rem}.interpretation p{color:var(--calc-text-muted);margin:0;font-size:.86rem;line-height:1.6}.lever-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.lever{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);padding:16px}.lever-ico{font-size:1.4rem}.lever h3{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:8px 0 6px;font-size:.98rem;font-weight:700}.lever p{color:var(--calc-text-muted);margin:0;font-size:.84rem;line-height:1.55}[data-theme=light]{--hrv-accent:#0891b2;--hrv-accent-soft:#0891b217}[data-theme=light] .med-disclaimer{color:#78350f;background:#fffbeb;border-color:#00000014 #00000014 #00000014 #b45309}[data-theme=light] .med-disclaimer strong{color:#0f172a}[data-theme=light] .outer-tabs .tab-btn{color:#475569;background:#fff;border-color:#0000001f}[data-theme=light] .outer-tabs .tab-btn:hover{color:#0f172a;border-color:#0891b2}[data-theme=light] .outer-tabs .tab-btn.active{color:#fff;background:#0891b2;border-color:#0891b2}[data-theme=light] .card{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #00000012}[data-theme=light] .form-group input[type=number],[data-theme=light] .form-group select,[data-theme=light] .suffix-wrap input{color:#0f172a;background:#f0f4f9;border-color:#00000024}[data-theme=light] .form-group input:focus,[data-theme=light] .form-group select:focus{border-color:#0891b2}[data-theme=light] .stat-cell,[data-theme=light] .lever{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .device-note{color:#0e4a5a;background:#eff9fb;border-color:#0891b247}[data-theme=light] .interpretation{background:#edf2f9;border-color:#0000001a #0000001a #0000001a #0891b2}[data-theme=light] .interpretation p,[data-theme=light] .lever p{color:#475569}[data-theme=light] .lever h3{color:#0f172a}[data-theme=light] .zone-table th{color:#64748b;border-bottom-color:#00000024}[data-theme=light] .zone-table td{color:#0f172a;border-bottom-color:#00000012}[data-theme=light] .zone-table td.pos{color:#047857}[data-theme=light] .zone-table td.neg{color:#e11d48}[data-theme=light] .muted,[data-theme=light] .input-hint,[data-theme=light] .stat-unit,[data-theme=light] .stat-label,[data-theme=light] .table-note{color:#64748b}[data-theme=light] .rec-pill{color:#fff;background:#0891b2}@media (width<=560px){.stat-grid{grid-template-columns:1fr}}@media print{.outer-tabs,.action-bar,.glass-navbar,.foot,.calc-back-to-top{display:none}.tab-panel{display:block}}