:root{color-scheme:light;--forest:#0c2b1d;--green:#2e844c;--cream:#f6f2e8;--gold:#f0ac2e;--ink:#17291d;--muted:#536457;--line:#dce1d7;--red:#a02e23;--radius:16px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--cream)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,summary{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}a{color:inherit}h1,h2,h3,p,dl,dd{margin:0}[hidden]{display:none!important}button{transition:background .18s,transform .18s}button:not(:disabled):active{transform:translateY(1px)}
.skip-link{position:absolute;left:16px;top:-60px;z-index:30;background:white;padding:12px}.skip-link:focus{top:10px}.site-header{max-width:1100px;margin:auto;padding:25px 28px;display:flex;justify-content:space-between;gap:18px;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:650;font-size:1.05rem}.brand-mark{width:35px;height:35px;border-radius:9px;background:var(--forest);color:var(--gold);display:grid;place-items:center;font:27px Georgia,serif}.edition{font-size:.875rem;color:var(--muted);border:1px solid #cfd8ca;border-radius:20px;padding:7px 12px}
main{max-width:1100px;margin:auto;padding:32px 28px 38px}.intro h1{font-size:clamp(1.8rem,3.1vw,2.7rem);font-weight:650;letter-spacing:-.04em;line-height:1.16}.plot-context{font-size:1rem;margin-top:10px}.scope-label{color:var(--muted);font-size:.875rem;line-height:1.5;margin-top:10px}.scenarios{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:25px 0 22px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.scenarios>span{font-size:.94rem;font-weight:600}.scenario-options{display:flex;gap:7px;flex-wrap:wrap}.scenario-options button{min-height:42px;background:transparent;border:1px solid #c8d2c3;border-radius:8px;padding:9px 16px;color:var(--forest);font-size:.94rem}.scenario-options button[aria-pressed=true]{background:var(--forest);color:white;border-color:var(--forest)}.scenario-options button:hover:not([aria-pressed=true]){background:#e8edde}
.decision-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.2fr);gap:22px;align-items:start}.card{background:white;border:1px solid var(--line);border-radius:var(--radius)}.input-card,.decision-card{padding:25px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.section-heading h2{font-size:1rem;font-weight:650}.health{color:var(--muted);font-size:.875rem}.health.fault{color:var(--red)}.plot-data{display:grid;grid-template-columns:1fr 1fr;margin-top:24px;gap:26px 18px}.plot-data dt{font-size:.875rem;color:var(--muted);line-height:1.45}.plot-data dd{font-size:1.75rem;font-weight:600;letter-spacing:-.035em;margin-top:7px;overflow-wrap:anywhere}.plot-data dd span{font-size:1rem;margin-left:4px;font-weight:400}.plot-data div:nth-child(n+3) dd{font-size:1.2rem;letter-spacing:0}.edit-details,.sensor-details{border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.sensor-details{margin-top:15px}summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.94rem;font-weight:600;min-height:30px}summary::-webkit-details-marker{display:none}summary::after{content:"+";font-weight:400;font-size:1.4rem;line-height:1;flex:none}details[open]>summary::after{content:"−"}details[open]>summary{margin-bottom:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px 12px}.form-grid label{font-size:.875rem;line-height:1.45;color:var(--muted);display:grid;gap:6px}.form-grid input,.form-grid select{min-width:0;width:100%;padding:10px;border:1px solid #cbd5c6;border-radius:7px;background:white;color:var(--ink);font-size:1rem}.form-grid input:disabled{background:#eef0ea}.small-note{font-size:.875rem;color:var(--muted);line-height:1.55}.input-card .small-note{margin-top:13px}.form-error{color:var(--red);font-size:.875rem;margin:10px 0}.form-error:empty{display:none}#input-form>.button{margin-top:14px}.extra-sensors{display:grid;gap:12px}.extra-sensors>div{display:flex;justify-content:space-between;gap:20px;font-size:.94rem}.extra-sensors dt{color:var(--muted)}
.decision-card{background:#fffdf6;border-color:#dedac2;transition:border-color .2s}.status{border-radius:6px;font-size:.875rem;line-height:1.4;font-weight:600;padding:5px 9px;background:#f4e0ac;color:#735013}.status.green{background:#deeddc;color:#25613b}.status.red{background:#f9dfd9;color:var(--red)}.decision-card h3{font-size:clamp(1.6rem,2.2vw,2rem);letter-spacing:-.035em;line-height:1.2;margin-top:22px;font-weight:650}.decision-summary{font-size:1rem;line-height:1.55;margin-top:10px;color:var(--muted)}.reasons{margin:18px 0 22px;padding-left:20px;display:grid;gap:10px;font-size:1rem;line-height:1.55}.reasons li::marker{color:var(--green)}.cost-block{border-top:1px solid #dedac2;border-bottom:1px solid #dedac2;padding:17px 0}.cost-block>div{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.cost-block>div>span{font-size:.94rem;color:var(--muted)}.cost-block strong{font-size:1.75rem;font-weight:600;letter-spacing:-.025em}.cost-block strong small{font-size:.875rem;font-weight:500}.cost-block>p{font-size:.94rem;line-height:1.5;margin-top:7px}.cost-block>p.small-note{font-size:.875rem;margin-top:4px}.approval-row{display:flex;align-items:center;gap:15px;margin-top:20px;flex-wrap:wrap}.approval-row>span{color:var(--muted);font-size:.875rem}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;border:1px solid transparent;border-radius:8px;padding:11px 17px;font-size:.94rem;font-weight:600}.primary{background:var(--forest);color:white}.primary:not(:disabled):hover{background:#204936}.secondary{background:white;border-color:#c7d2c1;color:var(--forest)}.secondary:not(:disabled):hover{background:#eff4e9}.stop{background:#fff3ef;color:var(--red);border-color:#dfb5ad}.approved-actions{margin-top:16px;border-top:1px solid #dedac2;padding-top:15px;font-size:.94rem;line-height:1.5}.approved-actions p{margin-bottom:12px;color:var(--muted)}.result-update{animation:result-enter .3s ease-out}@keyframes result-enter{from{transform:translateY(4px)}to{transform:translateY(0)}}
.water-details{margin-top:22px;padding:20px 25px}.water-details>summary{justify-content:flex-start}.water-details>summary::after{margin-left:auto}.summary-note{font-size:.875rem;font-weight:400;color:var(--muted)}.water-content{display:grid;grid-template-columns:1fr 1fr;gap:26px}.water-content h2{font-size:1.15rem;line-height:1.5}.water-content p{margin-top:9px;line-height:1.55}.water-control{border-left:1px solid var(--line);padding-left:26px}.water-control>p:first-child{margin-top:0;font-size:.94rem}.water-amount{display:flex;align-items:baseline;gap:8px;margin:8px 0}.water-amount strong{font-size:1.8rem;font-weight:600}.water-amount>span{font-size:.94rem;color:var(--muted)}progress{width:100%;height:7px;display:block;border:0;border-radius:8px;overflow:hidden;accent-color:var(--green)}progress::-webkit-progress-bar{background:#e8eee1}progress::-webkit-progress-value{background:var(--green);transition:width .15s}.water-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.history-section{margin:30px 0 25px;padding:0 2px}.text-button{border:0;padding:9px 0;background:none;color:var(--forest);font-size:.875rem;text-decoration:underline;text-underline-offset:3px;min-height:44px}.history-section>.small-note{margin-top:4px}.history-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:12px}.history-list li{border-left:3px solid #c6d4bf;padding:2px 0 2px 14px}.history-list strong{font-size:.94rem;font-weight:600;line-height:1.45;display:block}.history-list time{font-size:.875rem;color:var(--muted);display:block;margin-top:3px}.history-list p{font-size:.875rem;line-height:1.55;color:var(--muted);margin-top:4px;overflow-wrap:anywhere}.empty-history{color:var(--muted);font-size:.94rem;margin-top:15px;padding:18px 0;border-bottom:1px solid var(--line)}.about-details{border-top:1px solid var(--line);padding-top:18px}.about-details summary{color:var(--muted);font-size:.875rem}.about-details p{font-size:.94rem;color:var(--muted);line-height:1.65;margin-top:12px;max-width:80ch}.site-footer{max-width:1100px;margin:auto;border-top:1px solid var(--line);padding:21px 28px 28px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:.875rem;line-height:1.5}
dialog{width:min(520px,calc(100vw - 32px));max-height:90vh;border:1px solid var(--line);border-radius:18px;padding:26px;color:var(--ink);box-shadow:0 18px 60px #102c242b}dialog::backdrop{background:#0c251b80;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:start;justify-content:space-between;gap:15px}.dialog-heading h2{font-size:1.3rem;line-height:1.4}.icon-button{border:0;background:none;width:36px;height:36px;font-size:1.5rem;color:var(--muted)}#confirm-body{font-size:1rem;line-height:1.6;margin-top:16px}#confirm-note{margin-top:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:min(540px,calc(100vw - 32px));padding:13px 18px;background:var(--forest);color:white;border-radius:10px;font-size:.94rem;line-height:1.5;box-shadow:0 5px 25px #14342226;visibility:hidden;opacity:0;transition:opacity .2s;z-index:40}.notice.visible{visibility:visible;opacity:1}
@media(max-width:840px){.decision-layout{grid-template-columns:1fr}.decision-card{order:1}.input-card{order:2}.water-content{grid-template-columns:1fr}.water-control{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.scenarios{align-items:start;flex-direction:column;gap:10px}.scenario-options{width:100%}.scenario-options button{flex:1}.site-header{padding:18px 22px}main{padding:26px 22px 30px}}
@media(max-width:500px){.site-header{padding:17px 17px}.brand{font-size:.94rem;gap:8px}.brand-mark{width:30px;height:30px;font-size:24px}.edition{font-size:.8rem;padding:6px 9px}main{padding:23px 17px 30px}.intro h1{font-size:1.9rem}.scope-label{max-width:34ch}.scenarios{margin-top:20px}.scenario-options{gap:5px}.scenario-options button{font-size:.875rem;padding:10px 8px;white-space:normal}.input-card,.decision-card{padding:21px}.decision-card h3{font-size:1.65rem}.section-heading{gap:10px;flex-wrap:wrap}.health{font-size:.875rem}.reasons{font-size:.94rem}.plot-data{gap:23px 15px}.plot-data dt{font-size:.875rem}.plot-data dd{font-size:1.65rem}.cost-block>div>span{font-size:.875rem}.cost-block strong{font-size:1.65rem}.water-details{padding:18px 21px}.water-details>summary{flex-wrap:wrap}.summary-note{font-size:.875rem}.water-buttons .button{flex:1}.site-footer{padding:20px 17px;flex-direction:column;gap:5px}.form-grid{grid-template-columns:1fr}.dialog-actions .button{flex:1}.approval-row>.button{flex:1}.notice{bottom:16px}}
.site-header{padding-top:18px;padding-bottom:18px}main{padding-top:25px}.scenarios{margin-top:19px;margin-bottom:18px}.decision-card h3{margin-top:16px}.reasons{margin-top:15px;margin-bottom:17px;gap:8px}.cost-block{padding-top:13px;padding-bottom:13px}.approval-row{margin-top:16px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}