.aquarium-flow-calculator{--avc-primary:#449BD5;--avc-border-color:#dcdcdc;--avc-bg-card:#ffffff;--avc-bg-page:#ffffff;--avc-text-main:#333;--avc-label-color:#4a5568;--avc-info-icon:#6c757d;--avc-green-start:#1f9252;--avc-green-end:#00723f;--avc-gray-btn:#4a4a4a;--avc-optional-bg:#198754;--avc-optional-text:#ffffff;--avc-input-bg:#f8f9fa;--avc-input-border:#d1d5db;--avc-input-text:#333;--avc-radius-card:4px;--avc-radius-pill:999px;--avc-radius-btn:4px;--avc-font-stack:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                      Roboto, "Helvetica Neue", Arial, sans-serif}.avc-wrapper{font-family:var(--avc-font-stack);color:var(--avc-text-main);background-color:var(--avc-bg-page);padding:10px}.avc-card{background:var(--avc-bg-card);border:1px solid var(--avc-border-color);border-radius:var(--avc-radius-card);padding:15px 20px 20px;max-width:1150px;margin:0 auto}.avc-form{width:100%;display:block}.avc-row{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:20px}.avc-field-group{flex:1 1 250px;min-width:250px}.avc-label,.avc-label-sm{display:flex;align-items:center;color:var(--avc-label-color);margin-bottom:6px;line-height:1.4}.avc-label{font-size:.9rem;font-weight:600}.avc-label-sm{font-size:.85rem;font-weight:600}.avc-label-primary{color:var(--avc-primary)}.avc-info-icon{font-size:.8rem;line-height:1;color:rgb(68 155 213 / .45);margin-left:4px;cursor:help;position:relative}.avc-tooltip{position:relative;display:inline-block;cursor:help}.avc-tooltip .avc-tooltiptext{visibility:hidden;width:250px;background:#555;color:#fff;text-align:center;border-radius:6px;padding:8px;position:absolute;z-index:9999;top:125%;left:50%;transform:translateX(-50%);opacity:0;transition:opacity .2s ease;font-size:14px;font-weight:400;line-height:1.4}.avc-tooltip:hover .avc-tooltiptext,.avc-tooltip:focus .avc-tooltiptext{visibility:visible;opacity:1}.avc-select-wrap{position:relative;display:flex;align-items:center;border:1px solid var(--avc-input-border);border-radius:var(--avc-radius-pill);background:var(--avc-input-bg);width:100%;box-sizing:border-box}.avc-input-select{appearance:none!important;-webkit-appearance:none!important;-moz-appearance:none!important;background:transparent!important;background-image:none!important;border:none;outline:none;width:100%;font-size:1rem;line-height:1.4;color:var(--avc-input-text);padding:10px 36px 10px 14px;border-radius:var(--avc-radius-pill);box-sizing:border-box}.avc-input-select::-ms-expand{display:none}.avc-caret-icon{position:absolute;right:12px;font-size:1rem;color:rgb(0 0 0 / .35);line-height:1;pointer-events:none}.avc-dims-container{margin-top:20px}.avc-dims-group{margin-bottom:20px}.avc-dim-row{display:flex;flex-wrap:wrap;gap:20px}.avc-dim-field{flex:1 1 200px;min-width:200px}.avc-input-pill{width:100%;border:1px solid var(--avc-input-border);border-radius:var(--avc-radius-pill);background:var(--avc-input-bg);color:var(--avc-input-text);font-size:1rem;line-height:1.4;padding:10px 14px;outline:none;box-sizing:border-box}.avc-input-pill:focus{outline:2px solid var(--avc-primary);background:#fff}.avc-error-message{color:#F44;font-weight:600;margin:10px 0;font-size:14px;display:none;line-height:1.4}.avc-input-pill.error{border-color:#F44;background:#ffecec}.avc-advanced-card{border:1px solid var(--avc-border-color);border-radius:var(--avc-radius-card);background:#fff;margin-top:20px}.avc-advanced-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:12px 15px;font-size:1rem;font-weight:600;color:var(--avc-primary)}.avc-advanced-left{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.avc-advanced-gear{color:rgb(0 0 0 / .35);font-size:1.1rem}.avc-advanced-title{font-size:1rem;font-weight:600;color:var(--avc-primary)}.avc-advanced-optional-badge{background:var(--avc-optional-bg);color:var(--avc-optional-text);border-radius:var(--avc-radius-card);padding:2px 6px;font-size:.8rem;font-weight:600;line-height:1.2}.avc-advanced-right .avc-advanced-chevron{color:rgb(0 0 0 / .45);font-size:1.1rem;transition:transform 0.2s ease}.avc-advanced-chevron.avc-rotate{transform:rotate(180deg)}.avc-advanced-body{border-top:1px solid var(--avc-border-color);padding:15px;background:#fafafa;font-size:.9rem;color:var(--avc-text-main)}.avc-advanced-grid{display:flex;flex-direction:column;gap:20px}.avc-adv-row{display:flex;flex-wrap:wrap;gap:20px}.avc-adv-field{flex:1 1 250px;min-width:250px}.avc-action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.avc-btn{flex:1 1 200px;min-width:200px;border:none;border-radius:var(--avc-radius-btn);padding:12px 15px;font-size:1rem;font-weight:600;line-height:1.3;color:#fff;cursor:pointer;text-align:center;box-sizing:border-box}.avc-btn-icon{margin-right:6px;font-size:1.1rem;vertical-align:middle}.avc-btn-calc{background-image:linear-gradient(90deg,var(--avc-green-start) 0%,var(--avc-green-end) 100%)}.avc-btn-reset{background:var(--avc-gray-btn)}.avc-results-grid{display:flex;flex-wrap:wrap;margin-top:20px;border-top:1px solid var(--avc-border-color);padding-top:20px;text-align:center;row-gap:20px}.avc-result-block{flex:1 1 200px;min-width:200px;padding:0 10px;box-sizing:border-box;text-align:center}.avc-result-label{font-size:1rem;font-weight:400;color:var(--avc-label-color);margin-bottom:8px;text-align:center}.avc-no-bold{font-weight:400!important}.avc-result-value{font-size:2rem;font-weight:600;color:#000;line-height:1.2;word-break:break-word;text-align:center}.gph-value{font-size:.8rem;color:#666;margin-top:5px;line-height:1.3}.avc-hint{font-size:.8rem;color:#666;line-height:1.3;margin-top:4px}.afc-recommend-box{background:rgb(68 155 213 / .1);border-radius:var(--avc-radius-card);padding:15px;margin-top:20px}.afc-recommend-title{font-size:1rem;font-weight:600;color:var(--avc-primary);margin:0 0 12px;line-height:1.4}.afc-recommend-box p{margin:0 0 10px;font-size:.9rem;color:var(--avc-text-main);line-height:1.5}.avc-footer-note{text-align:center;color:#666;font-size:.8rem;line-height:1.4;margin-top:25px}@media (max-width:768px){.avc-result-value{font-size:1.6rem}}\n\n\n.aquarium-flow-calculator,\n.aquarium-flow-calculator *,\n.aquarium-flow-calculator *::before,\n.aquarium-flow-calculator *::after{\n box-sizing:border-box;\n}\n\n.aquarium-flow-calculator select.avc-input-select{\n display:block;\n width:100%;\n max-width:none;\n height:auto;\n min-height:42px;\n margin:0;\n border:0!important;\n border-radius:var(--avc-radius-pill)!important;\n box-shadow:none!important;\n background-color:transparent!important;\n background-image:none!important;\n color:var(--avc-input-text)!important;\n font-family:var(--avc-font-stack);\n font-size:1rem;\n font-weight:400;\n text-transform:none;\n}\n\n.aquarium-flow-calculator input.avc-input-pill{\n display:block;\n width:100%;\n max-width:none;\n height:auto;\n min-height:42px;\n margin:0;\n border:1px solid var(--avc-input-border)!important;\n border-radius:var(--avc-radius-pill)!important;\n box-shadow:none!important;\n background:var(--avc-input-bg)!important;\n color:var(--avc-input-text)!important;\n font-family:var(--avc-font-stack);\n font-size:1rem;\n font-weight:400;\n}\n\n.aquarium-flow-calculator input.avc-input-pill:focus{\n border-color:var(--avc-primary)!important;\n outline:2px solid var(--avc-primary)!important;\n outline-offset:0;\n background:#fff!important;\n}\n\n.aquarium-flow-calculator button.avc-btn{\n position:static;\n display:block;\n height:auto;\n min-height:46px;\n margin:0;\n border:0!important;\n border-radius:var(--avc-radius-btn)!important;\n box-shadow:none!important;\n font-family:var(--avc-font-stack);\n font-size:1rem;\n font-weight:600;\n line-height:1.3;\n letter-spacing:normal;\n text-transform:none;\n}\n\n.aquarium-flow-calculator button.avc-btn-calc,\n.aquarium-flow-calculator button.avc-btn-calc:hover,\n.aquarium-flow-calculator button.avc-btn-calc:focus{\n color:#fff!important;\n background:linear-gradient(90deg,var(--avc-green-start) 0%,var(--avc-green-end) 100%)!important;\n}\n\n.aquarium-flow-calculator button.avc-btn-reset,\n.aquarium-flow-calculator button.avc-btn-reset:hover,\n.aquarium-flow-calculator button.avc-btn-reset:focus{\n color:#fff!important;\n background:var(--avc-gray-btn)!important;\n}\n\n.aquarium-flow-calculator .avc-label,\n.aquarium-flow-calculator .avc-label-sm{\n font-family:var(--avc-font-stack);\n text-transform:none;\n}\n\n.aquarium-flow-calculator .avc-tooltip{\n float:none;\n width:auto;\n height:auto;\n}\n .aquarium-flow-calculator{--avc-primary:#449BD5;--avc-secondary:#449BD5;--avc-border-color:#DCEAF5;--avc-bg-card:#FFFFFF;--avc-bg-page:#FFFFFF;--avc-text-main:#0F172A;--avc-label-color:#4B5563;--avc-input-bg:#FFFFFF;--avc-input-border:#DCEAF5;--avc-input-text:#0F172A;--avc-optional-bg:#027440;--avc-optional-text:#FFFFFF;--avc-shadow:0 12px 30px rgba(15,23,42,.08);--avc-focus:rgba(2,116,64,.20);--avc-radius-card:16px;--avc-radius-btn:999px;--avc-radius-input:12px;--avc-font-stack:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif}.aquarium-flow-calculator.avc-wrapper{padding:10px;background:#fff0;color:var(--avc-text-main);font-family:var(--avc-font-stack)!important;font-size:15.5px}.aquarium-flow-calculator .avc-card{max-width:1150px;padding:18px;border:1px solid var(--avc-border-color);border-radius:16px;background:#fff;box-shadow:var(--avc-shadow)}.aquarium-flow-calculator .avc-row,.aquarium-flow-calculator .avc-dim-row{gap:12px;margin-bottom:16px}.aquarium-flow-calculator .avc-field-group,.aquarium-flow-calculator .avc-dim-field,.aquarium-flow-calculator .avc-adv-field{min-width:0}.aquarium-flow-calculator .avc-dims-container{margin-top:16px}.aquarium-flow-calculator .avc-dims-group{margin-bottom:14px}.aquarium-flow-calculator .avc-label,.aquarium-flow-calculator .avc-label-sm{display:flex;align-items:center;flex-wrap:wrap;gap:0;margin-bottom:6px;color:#449BD5!important;font-family:'Jost',system-ui,-apple-system,"Segoe 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input.avc-input-pill{-webkit-appearance:none!important;appearance:none!important;display:block!important;width:100%!important;max-width:none!important;height:44px!important;min-height:44px!important;margin:0!important;border-radius:12px!important;background:#fff!important;color:var(--avc-input-text)!important;font-family:var(--avc-font-stack)!important;font-size:16px!important;font-weight:400!important;line-height:normal!important;text-transform:none!important;box-shadow:none!important;outline:none!important}.aquarium-flow-calculator select.avc-input-select{border:0!important;padding:0 38px 0 12px!important;background-image:none!important}.aquarium-flow-calculator input.avc-input-pill{border:1px solid var(--avc-input-border)!important;padding:0 12px!important}.aquarium-flow-calculator .avc-select-wrap:focus-within,.aquarium-flow-calculator input.avc-input-pill:focus{border-color:#027440!important;box-shadow:0 0 0 4px var(--avc-focus)!important}.aquarium-flow-calculator 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.14);font-family:var(--avc-font-stack)!important;font-size:12px!important;font-style:normal!important;font-weight:700!important;line-height:1.45!important;white-space:normal;text-align:left;pointer-events:none;transform:translateY(2px);transition:opacity .12s ease,transform .12s ease,visibility .12s ease}.aquarium-flow-calculator .avc-tooltip:hover .avc-tooltiptext,.aquarium-flow-calculator .avc-tooltip:focus .avc-tooltiptext,.aquarium-flow-calculator .avc-tooltip:focus-visible .avc-tooltiptext{visibility:visible;opacity:1;transform:translateY(0)}.aquarium-flow-calculator .avc-advanced-card{overflow:visible;margin-top:18px;border:1px solid var(--avc-border-color);border-radius:16px;background:#fff;box-shadow:0 8px 22px rgb(15 23 42 / .04)}.aquarium-flow-calculator .avc-advanced-header{min-height:52px;padding:13px 16px;border-radius:16px;background:linear-gradient(180deg,rgb(0 94 184 / .05) 0%,rgb(2 116 64 / .05) 100%);color:#449BD5;font-weight:800}.aquarium-flow-calculator .avc-advanced-title{color:#449BD5;font-size:16px;font-weight:800}.aquarium-flow-calculator .avc-advanced-gear,.aquarium-flow-calculator .avc-advanced-right .avc-advanced-chevron{color:#64748B}.aquarium-flow-calculator .avc-advanced-optional-badge{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid rgb(2 116 64 / .16);border-radius:999px;background:#027440;color:#fff;font-size:11px;font-weight:800;line-height:1}.aquarium-flow-calculator .avc-advanced-body{padding:16px;border-top:1px solid rgb(0 94 184 / .10);border-radius:0 0 16px 16px;background:#fbfdff;color:var(--avc-text-main)}.aquarium-flow-calculator .avc-advanced-grid,.aquarium-flow-calculator .avc-adv-row{gap:12px!important}.aquarium-flow-calculator .avc-action-row{gap:10px;margin-top:18px}.aquarium-flow-calculator 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.afc-recommend-title{margin:0 0 8px;color:#449BD5;font-size:15px;font-weight:900}.aquarium-flow-calculator .afc-recommend-box p{color:var(--avc-text-main);font-size:13px;font-weight:600;line-height:1.5}.aquarium-flow-calculator .avc-footer-note{margin-top:20px;padding-top:16px;border-top:1px solid var(--avc-border-color);color:var(--avc-label-color);font-size:12px;line-height:1.45}.aquarium-flow-calculator,.aquarium-flow-calculator *,.aquarium-flow-calculator *::before,.aquarium-flow-calculator *::after{box-sizing:border-box}.aquarium-flow-calculator p{max-width:none}@media (max-width:960px){.aquarium-flow-calculator .avc-tooltip .avc-tooltiptext{position:fixed;left:16px;right:16px;top:auto;bottom:max(18px, env(safe-area-inset-bottom));width:auto;min-width:0;max-width:420px;margin:0 auto;padding:12px 14px;border-radius:14px;font-size:13px!important;line-height:1.5!important;font-weight:600!important;text-align:left;transform:translateY(4px);box-shadow:0 18px 44px rgb(15 23 42 / 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