/* Calculator controls share the site's editorial typography and graphite palette. */
.water-intro{max-width:860px;margin-bottom:44px}.water-intro .lead{max-width:630px}
.water-layout{display:grid;grid-template-columns:minmax(0,620px) minmax(300px,1fr);gap:80px;align-items:start}
.water-tool{border-top:1px solid var(--line);padding-top:26px;scroll-margin-top:24px;min-width:0}
.estimate-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}
.result-caption{font-size:17px;line-height:1.5;margin:0;color:var(--copy)}
.water-result{font-size:38px;line-height:1.25;font-weight:500;letter-spacing:-.025em;margin:4px 0 0;font-variant-numeric:tabular-nums}
.water-result span{font-size:24px;font-weight:400;letter-spacing:-.01em}
.text-button{min-height:44px;border:0;background:none;padding:10px 0 10px 15px;font:inherit;font-size:15px;color:var(--copy);text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.text-button:hover{color:var(--ink)}
.estimate-note{font-size:15px;line-height:1.6;margin:12px 0 26px;color:var(--copy);max-width:51ch}
.water-fields,.water-choices{display:grid;grid-template-columns:1fr 1fr;gap:24px;min-width:0}
.water-choices{margin-bottom:26px}.control-label{display:block;font-size:16px;line-height:1.5;color:var(--ink)}
.water-choice{position:relative;min-width:0}.water-choice button{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:62px;margin-top:9px;border:1px solid var(--flr-control,#6f8067);background:transparent;border-radius:6px;padding:10px 13px;text-align:left;font-size:17px;line-height:1.3;color:var(--ink);cursor:pointer}
.water-choice button>span{min-width:0}.water-choice button svg{width:18px;height:18px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.4;transition:transform .2s ease}
.water-choice button[aria-expanded=true] svg{transform:rotate(180deg)}
.choice-menu{position:absolute;z-index:20;top:calc(100% + 6px);left:0;min-width:100%;width:max-content;max-width:min(330px,calc(100vw - 40px));max-height:min(310px,60svh);overflow-y:auto;overscroll-behavior:contain;border-radius:6px;padding:6px;background:var(--page,#eff2ec);box-shadow:0 8px 28px #17221c2a;font-size:16px;scrollbar-color:var(--copy) var(--page)}
.choice-menu.opens-up{top:auto;bottom:calc(100% - 23px)}.water-choice:last-child .choice-menu{left:auto;right:0}
.choice-menu [role=option]{position:relative;padding:13px 32px 13px 12px;min-height:46px;border-radius:3px;line-height:1.4;cursor:pointer}
.choice-menu [aria-selected=true]::after{content:'';position:absolute;right:13px;top:20px;width:5px;height:9px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:rotate(45deg)}
.choice-menu .is-active,.choice-menu [role=option]:hover{background:var(--flr-soft,#dfe5da)}
.water-fields label{display:block;min-width:0;font-size:16px;line-height:1.5;color:var(--ink)}
.water-fields input[type=number]{display:block;width:100%;min-height:50px;margin-top:8px;border:1px solid var(--flr-control,#6f8067);border-radius:6px;padding:11px 13px;background:transparent;font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums;caret-color:var(--ink)}
.water-fields input::placeholder{color:var(--copy);opacity:1;font-size:16px}.full-field{grid-column:1/-1}
.range-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:16px;line-height:1.5}
.range-heading output{font-size:18px;line-height:1.4;font-weight:500;white-space:nowrap;color:var(--ink);font-variant-numeric:tabular-nums}
.range-ends{display:flex;justify-content:space-between;gap:12px;color:var(--copy);font-size:13px;line-height:1.4}
.water-slider{display:block;appearance:none;-webkit-appearance:none;cursor:ew-resize;width:100%;height:44px;margin:1px 0;padding:0;background:transparent;border:0;border-radius:5px;touch-action:pan-y}
.water-slider::-webkit-slider-runnable-track{height:5px;border-radius:5px;background:linear-gradient(to right,var(--ink) var(--range-percent,50%),var(--line) var(--range-percent,50%))}
.water-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-9.5px;border-radius:50%;border:3px solid var(--page,#eff2ec);background:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.water-slider::-moz-range-track{height:5px;border-radius:5px;background:var(--line)}.water-slider::-moz-range-progress{height:5px;background:var(--ink);border-radius:5px}
.water-slider::-moz-range-thumb{width:18px;height:18px;border:3px solid var(--page,#eff2ec);border-radius:50%;background:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.water-tool :focus-visible,.water-enclosure :focus-visible,.water-tuning :focus-visible,.method-disclosure :focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.draft-control{display:flex;align-items:center;gap:12px;min-height:48px;margin:19px 0 0;font-size:16px;cursor:pointer}
.draft-control input{width:19px;height:19px;flex-shrink:0;margin:0;accent-color:var(--ink)}
#custom-demand{margin-top:20px}#daily-note{margin-bottom:0;min-height:48px}
.water-disclosure{border-top:1px solid var(--line);margin:20px 0 0;min-width:0}
.water-disclosure>summary{font-size:16px;line-height:1.5;min-height:56px;padding:15px 32px 15px 0;list-style:none;position:relative;cursor:pointer;user-select:none;-webkit-user-select:none}
.water-disclosure>summary::-webkit-details-marker{display:none}
.water-disclosure>summary::after{content:'';position:absolute;right:5px;top:22px;width:8px;height:8px;border:solid currentColor;border-width:0 1.3px 1.3px 0;transform:rotate(45deg);transition:transform .2s ease}
.water-disclosure[open]>summary::after{transform:translateY(4px) rotate(225deg)}
.disclosure-body{padding:4px 0 22px;font-size:16px;line-height:1.65;color:var(--copy)}
.disclosure-body>p:first-child{margin-top:0}.disclosure-body>p:last-child{margin-bottom:0}
.plant-details{margin-top:12px}.plant-details .water-fields{gap:20px}
.condition-note{font-size:14px;line-height:1.6;color:var(--copy);margin:18px 0 0;min-height:45px}
.estimate-details{margin-top:14px}.estimate-details>summary{color:var(--copy)}
.field-note{font-size:14px;line-height:1.65;color:var(--copy);margin:14px 0}.water-error{font-size:15px;line-height:1.5;color:var(--flr-error,#a2382d);margin:0}.water-error:not(:empty){margin:16px 0}
.water-enclosure{border-top:1px solid var(--line);padding-top:26px;min-width:0;scroll-margin-top:24px}
.tank-heading{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.tank-heading h2{font-size:22px;font-weight:500;letter-spacing:-.02em;margin:0}
.tank-heading output{font-size:28px;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}.tank-heading small{font-size:16px}
.tank-diagram{display:block;width:100%;max-width:360px;height:auto;margin:18px auto 4px;overflow:visible}
.fill-slider{margin-top:10px}.fill-endpoints{display:flex;align-items:center;justify-content:space-between;color:var(--copy);font-size:14px;min-height:44px}
.fill-endpoints button{font-size:14px;min-height:44px;padding:8px 0 8px 12px;border:0;background:transparent;color:var(--ink);cursor:pointer}.fill-endpoints button:disabled{cursor:default;color:var(--copy)}
.tank-estimate{font-size:18px;line-height:1.6;min-height:52px;margin:12px 0 0;font-variant-numeric:tabular-nums}
.tank-breakdown{border-top:1px solid var(--line);margin-top:14px;padding-top:18px}.tank-breakdown h3{font-size:16px;line-height:1.5;font-weight:400;margin:0 0 22px}.tank-breakdown .field-note{margin-bottom:0}
.tank-details{margin-top:18px}.reserve-fields{grid-template-columns:1fr;gap:20px;margin-top:8px}
.budget-bar{height:8px;display:flex;border-radius:10px;overflow:hidden;margin:8px 0 16px;background:var(--line)}
.budget-bar span:first-child{background:var(--flr-action,#506b3f)}.budget-bar span:nth-child(2){background:var(--acid)}.budget-bar span:nth-child(3){background:var(--flr-soft,#bbc5b1)}
.budget-legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;line-height:1.7;color:var(--copy)}.budget-legend strong{font-weight:500;color:var(--ink)}
.budget-legend i{display:inline-block;width:6px;height:6px;margin:0 6px 2px 0;border-radius:50%;background:var(--flr-action,#506b3f)}.budget-legend span:nth-child(2) i{background:var(--acid)}.budget-legend span:nth-child(3) i{background:var(--flr-soft,#bbc5b1)}
.water-tuning{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,620px);gap:80px;margin-top:76px;padding-top:36px;border-top:1px solid var(--line)}
.tuning-intro h2{font-size:30px;line-height:1.25;font-weight:500;letter-spacing:-.025em;margin:0 0 18px}.tuning-intro p{font-size:17px;line-height:1.7;color:var(--copy);max-width:38ch;margin:0}
.tuning-tools>.water-disclosure:first-child{margin-top:0;border-top:0}.tuning-tools .water-disclosure{margin-top:0}
.tuning-tools summary{font-size:18px}.tuning-tools .disclosure-body>p{font-size:16px;line-height:1.7}
.measurement .water-fields{margin-top:24px}.measurement .solid-button{margin-top:14px}.pump-result{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-top:25px;font-size:17px;color:var(--ink)}.pump-result strong{font-size:26px;white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:500}
.method-disclosure{margin-top:42px;border-bottom:1px solid var(--line)}.method-disclosure>summary{font-size:20px;padding-block:20px}.method-disclosure>summary::after{top:29px}
.water-method{border-top:1px solid var(--line);padding-top:32px;margin-top:30px}.water-method:first-child{margin-top:0;border:0}
.water-method>h2{font-size:30px;line-height:1.25;font-weight:500;letter-spacing:-.025em;margin:0 0 24px}.water-method .kicker{display:none}
.water-method p{font-size:17px;line-height:1.75;color:var(--copy);margin:0 0 22px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.method-grid h3,.physics-notes h3{font-size:22px;font-weight:500;line-height:1.3;letter-spacing:-.02em;margin:30px 0 18px}.water-method .source{font-size:15px}
.formulas{margin:20px 0 30px}.formulas p{font-size:16px;max-width:840px;overflow-wrap:anywhere}.no-script{font-size:18px;line-height:1.6;padding:20px 0}
.scenario-table-wrap{width:100%;overflow-x:auto;margin:24px 0}.scenario-table{border-collapse:collapse;width:100%;font-size:16px;font-variant-numeric:tabular-nums}
.scenario-table th,.scenario-table td{border-bottom:1px solid var(--line);padding:16px 14px;text-align:left;vertical-align:top}.scenario-table th:first-child{padding-left:0}.scenario-table th{font-weight:500}.scenario-table thead th{font-size:14px;color:var(--copy)}.scenario-table td{white-space:nowrap}
.physics-notes{margin:34px 0}.water-method code{font-size:.88em;white-space:normal;overflow-wrap:anywhere}.water-method .source-list{font-size:15px;line-height:1.65;padding-left:22px;color:var(--copy)}.source-list li{margin:10px 0}
.tank-glass{fill:var(--page,#eff2ec);fill-opacity:.35;stroke:var(--flr-control,#6f8067);stroke-width:1.2}.tank-level{transform:translateY(var(--water-y));transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .18s;transform-origin:0 0;transform-box:view-box}.tank-ripple{transform:scaleY(var(--wave-scale,1));transform-origin:0 0;transform-box:view-box;transition:transform .25s ease-out}.tank-wave{fill:url(#water-tint);animation:tank-wave 4.8s linear infinite;animation-play-state:paused;transform-box:view-box;transform-origin:0 0}.wave-back{opacity:.5;animation-duration:7.2s;animation-direction:reverse;animation-delay:-2.4s}.wave-front{stroke:#608d83;stroke-opacity:.4;stroke-width:1}.tank-diagram.is-visible .tank-wave{animation-play-state:running}.tank-edge{fill:none;stroke:var(--ink);stroke-opacity:.18;stroke-width:1}.tank-pickup{fill:none;stroke:#7c8680;stroke-width:6;stroke-linecap:round;stroke-linejoin:round}.tank-pickup-end{fill:#606b65}.tank-dead-zone{fill:var(--ink);opacity:.035}.tank-cutoff{stroke:var(--ink);stroke-width:.8;stroke-dasharray:4 5;opacity:.3}.tank-caption{font-family:inherit;font-size:12px;fill:var(--copy)}
@keyframes tank-wave{to{transform:translateX(-240px)}}
@media(min-width:761px) and (max-width:1100px){.water-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}.water-tuning{gap:40px}.water-fields,.water-choices{gap:18px}.range-heading{display:block}.range-heading output{display:block;margin-top:5px}.water-choice button{font-size:16px;min-height:70px}}
@media(max-width:760px){.water-intro{margin-top:40px;margin-bottom:32px}.water-intro h1{font-size:34px}.water-intro .lead{font-size:18px;line-height:1.6;margin-bottom:0}.water-layout,.water-tuning{display:block}
.water-tool{padding-top:20px;scroll-margin-top:16px}.water-result{font-size:34px}.water-result span{font-size:22px}.result-caption{font-size:16px}.estimate-note{font-size:14px;margin:10px 0 22px}
.water-fields,.water-choices{gap:18px}.water-choices{margin-bottom:22px}.control-label{font-size:15px}.water-choice button{font-size:16px;min-height:70px;padding-inline:11px}
.climate-fields .range-heading{display:block}.climate-fields .range-heading output{display:block;margin-top:5px;font-size:21px}.range-heading{font-size:15px}.range-ends{font-size:12px}.water-slider{margin-block:0}
.draft-control{margin-top:16px;font-size:16px}.condition-note{min-height:67px;margin-top:13px}.plant-details{margin-top:10px}.estimate-details{margin-top:8px}.water-disclosure>summary{font-size:16px;min-height:54px}
.water-enclosure{margin-top:34px;padding-top:24px;scroll-margin-top:16px}.tank-diagram{max-width:305px;margin-top:15px}.tank-heading h2{font-size:22px}.tank-heading output{font-size:27px}.tank-estimate{font-size:17px;min-height:54px;margin-top:10px}
.water-tuning{margin-top:48px;padding-top:28px}.tuning-intro h2{font-size:27px}.tuning-intro p{font-size:16px;max-width:none}.tuning-tools{margin-top:18px}.tuning-tools summary{font-size:17px}
.method-disclosure{margin-top:30px}.method-disclosure>summary{font-size:18px}.water-method>h2{font-size:27px}.method-grid{display:block}.water-method p{font-size:17px}.scenario-table{font-size:14px}.scenario-table th,.scenario-table td{padding:13px 8px}.scenario-table thead th{font-size:12px}.water-method .source{font-size:15px}}
@media(max-width:360px){.water-intro h1{font-size:30px}.water-fields,.water-choices{gap:14px}.water-choice button{padding:10px 9px;min-height:78px;font-size:15px;gap:6px}.water-choice button svg{width:14px}.range-ends{font-size:11px}.range-heading{font-size:14px}.range-heading output{font-size:16px}.condition-note{min-height:88px}.tank-estimate{font-size:16px}.tank-heading h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){.tank-wave{animation:none}.tank-level,.tank-ripple,.water-choice button svg,.water-disclosure>summary::after{transition:none}}