.qsb-calc *,.qsb-calc :after,.qsb-calc :before{box-sizing:border-box;margin:0;padding:0}.qsb-calc{background:#faf7f2;color:#1c1c18;font-family:Inter,sans-serif;margin:0 auto;max-width:680px;padding:2.5rem 1rem 3rem}.qsb-header{margin-bottom:2.5rem;text-align:center}.qsb-header h1{color:#2a5c3f;font-family:"Source Serif 4",serif;font-size:2.4rem;font-weight:500;line-height:1.15;margin-bottom:.6rem}.qsb-header p{color:#4a4840;font-size:15px;line-height:1.6;margin:0 auto;max-width:480px}.qsb-tabs{background:#f0ebe0;border-radius:14px;display:flex;gap:4px;margin-bottom:1.5rem;padding:5px}.qsb-tab{background:transparent;border:none;border-radius:10px;color:#4a4840;cursor:pointer;flex:1;font-family:Inter,sans-serif;font-size:14px;font-weight:500;line-height:1.3;padding:10px 16px;text-align:center;transition:all .2s}.qsb-tab.active{background:#fff;box-shadow:0 2px 16px rgba(42,92,63,.08);color:#2a5c3f}.qsb-panel{display:none}.qsb-panel.active{display:block}.qsb-card{background:#fff;border:1px solid rgba(42,92,63,.12);border-radius:14px;margin-bottom:1.25rem;padding:1.75rem}.qsb-section-label{color:#3d7a57;font-size:11px;font-weight:600;letter-spacing:.1em;margin-bottom:1.25rem;text-transform:uppercase}.qsb-slider-wrap{margin-bottom:.5rem}.qsb-slider-top{align-items:baseline;display:flex;justify-content:space-between;margin-bottom:1rem}.qsb-slider-question{color:#1c1c18;font-size:16px;font-weight:500}.qsb-slider-big{color:#2a5c3f;font-family:"Source Serif 4",serif;font-size:2.8rem;line-height:1}.qsb-slider-unit{color:#8a8880;font-size:13px;margin-left:4px}.qsb-calc input[type=range]{-webkit-appearance:none;background:#c8dfd0;border-radius:3px;cursor:pointer;height:6px;margin-bottom:.6rem;outline:none;width:100%}.qsb-calc input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#2a5c3f;border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 1.5px #2a5c3f;cursor:pointer;height:26px;transition:transform .1s;width:26px}.qsb-calc input[type=range]::-webkit-slider-thumb:active{transform:scale(1.15)}.qsb-calc input[type=range]::-moz-range-thumb{background:#2a5c3f;border:3px solid #fff;border-radius:50%;cursor:pointer;height:26px;width:26px}.qsb-slider-hints{color:#8a8880;display:flex;font-size:11px;justify-content:space-between}.qsb-coop-grid{display:flex;flex-direction:column;gap:8px}.qsb-coop-card{align-items:center;background:#faf7f2;border:1px solid rgba(42,92,63,.12);border-radius:10px;display:flex;justify-content:space-between;padding:14px 18px;transition:all .2s}.qsb-coop-card.best{background:#eef5f0;border:2px solid #2a5c3f}.qsb-coop-card.good{background:#fff;border-color:#c8dfd0}.qsb-coop-size{align-items:center;color:#1c1c18;display:flex;font-size:16px;font-weight:600;gap:8px}.qsb-best-pill{background:#2a5c3f;border-radius:20px;color:#fff;font-size:10px;font-weight:600;letter-spacing:.05em;padding:2px 9px;text-transform:uppercase}.qsb-coop-detail{color:#8a8880;font-size:12px;margin-top:3px}.qsb-coop-right{text-align:right}.qsb-coop-count{color:#2a5c3f;font-family:"Source Serif 4",serif;font-size:1.6rem;line-height:1}.qsb-coop-range{color:#8a8880;font-size:11px;margin-top:2px}.qsb-small-note{background:#f0ebe0;border-left:3px solid #2a5c3f;border-radius:0 10px 10px 0;color:#4a4840;font-size:13px;line-height:1.5;margin-bottom:8px;padding:14px 18px}.qsb-size-pills{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:1rem}.qsb-size-pill{background:#faf7f2;border:1px solid rgba(42,92,63,.12);border-radius:20px;color:#4a4840;cursor:pointer;font-size:13px;font-weight:500;padding:6px 14px;transition:all .15s}.qsb-size-pill:hover{background:#eef5f0;border-color:#c8dfd0}.qsb-size-pill.active{background:#2a5c3f;border-color:#2a5c3f;color:#fff}.qsb-result-box{background:#2a5c3f;border-radius:14px;color:#fff;margin-bottom:1.25rem;padding:1.75rem}.qsb-result-box-label{font-size:11px;font-weight:600;letter-spacing:.1em;margin-bottom:.5rem;opacity:.7;text-transform:uppercase}.qsb-result-box-size{font-family:"Source Serif 4",serif;font-size:3rem;line-height:1;margin-bottom:.25rem}.qsb-result-box-sub{font-size:14px;margin-bottom:1.25rem;opacity:.8}.qsb-result-stats{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}.qsb-stat{background:hsla(0,0%,100%,.12);border-radius:10px;padding:12px;text-align:center}.qsb-stat-val{font-family:"Source Serif 4",serif;font-size:1.6rem;line-height:1;margin-bottom:3px}.qsb-stat-label{font-size:11px;letter-spacing:.06em;opacity:.7;text-transform:uppercase}@media(max-width:480px){.qsb-calc{padding:1.5rem .75rem 2rem}.qsb-header h1{font-size:1.6rem}.qsb-header p{font-size:14px}.qsb-tabs{flex-direction:column}.qsb-tab{padding:9px 12px;text-align:center}.qsb-slider-big{font-size:2rem}.qsb-slider-question{font-size:14px}.qsb-card{padding:1.25rem}.qsb-coop-card{align-items:flex-start;flex-direction:column;gap:8px}.qsb-coop-right{text-align:left}.qsb-result-box{padding:1.25rem}.qsb-result-box-size{font-size:2rem}.qsb-result-stats{gap:8px}.qsb-stat{padding:10px 6px}.qsb-stat-val{font-size:1.2rem}.qsb-size-pills{gap:5px}.qsb-size-pill{font-size:12px;padding:5px 11px}}@media(max-width:360px){.qsb-stat-val{font-size:1rem}.qsb-header h1{font-size:1.4rem}}