:root{--ink:#163c35;--green:#236952;--lime:#d9ed8d;--bg:#f3f4ee;--line:#dce2d8;--muted:#66746b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,sans-serif}header,main,footer{max-width:1240px;margin:auto;padding:24px 30px}header{display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{font-size:35px;font-weight:850;letter-spacing:-2px;text-decoration:none;color:var(--ink);line-height:1}.brand span{display:block;font-size:9px;letter-spacing:2px;margin-top:8px}.private{margin-left:auto;color:var(--muted);font-size:13px}h1{font-size:clamp(32px,4vw,54px);line-height:1.1;letter-spacing:-2px;margin:10px 0 20px}h2{font-size:22px;line-height:1.25;margin:6px 0 20px}h3{font-size:18px}p{margin:12px 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;color:var(--green)}.intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 0 16px}.muted,#coverage{color:var(--muted);font-size:13px}nav{display:flex;gap:6px;margin:10px 0 26px;border-bottom:1px solid var(--line);overflow:auto}button{font:inherit;font-size:14px;cursor:pointer;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:11px 16px;white-space:nowrap}button:hover{background:#edf3e5}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--ink);color:white;border-color:var(--ink);font-weight:650}nav button{background:none;border:0;border-radius:0;padding:13px 18px;color:var(--muted)}nav button.active{color:var(--ink);box-shadow:inset 0 -3px var(--green)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}.card,.panel{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.card:first-child{background:var(--ink);color:white}.card:first-child .muted,.card:first-child .eyebrow{color:#b9d4bd}.card h2{font-size:17px}.number{font-size:35px;line-height:1.2;letter-spacing:-1px;font-weight:750;margin:18px 0 4px}.number small{font-size:16px;letter-spacing:0;font-weight:500}.stat{border-top:1px solid #b4c7b840;margin-top:20px;padding-top:16px;font-size:14px}.panel{margin-bottom:24px}.panelhead{display:flex;align-items:center;justify-content:space-between;gap:16px}.panelhead h2{margin-bottom:15px}.grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}label{display:block;font-size:13px;font-weight:600}input,select,textarea{display:block;background:#fafbf7;border:1px solid #ccd7cb;border-radius:8px;padding:12px;font:inherit;color:var(--ink);width:100%;margin:6px 0 16px;min-height:44px}textarea{resize:vertical}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px;align-items:end}.formgrid button{margin-bottom:16px}.loginbox{max-width:410px;margin-top:30px}.scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-size:11px;text-transform:uppercase}td button{font-size:12px;padding:6px 10px}.badge{background:#edf2e6;padding:4px 8px;border-radius:6px}.chartsvg{width:100%;height:auto;min-height:240px}.chartsvg text{font-size:11px;fill:#66746b}.chartsvg .bar{fill:#83a985}.chartsvg .bar:last-of-type{fill:#236952}.chartsvg line{stroke:#dce2d8}.tariffrow{display:flex;gap:16px;padding:14px 0;border-top:1px solid var(--line);justify-content:space-between}.tariffrow p{margin:0}dialog{color:var(--ink);border:1px solid var(--line);border-radius:18px;padding:24px;max-width:620px;width:calc(100% - 24px);max-height:92vh}dialog::backdrop{background:#122a2288}dialog .panelhead button{padding:6px 12px}#candidates{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;max-height:180px;overflow:auto}.upload{background:#edf3e5;padding:12px;border:1px dashed #92ad85;border-radius:10px}.upload input{background:none;border:0;margin:0;font-size:12px}#readingError{color:#9e351f;font-size:13px}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 20px;border-radius:12px;max-width:90vw;z-index:10}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;border-top:1px solid var(--line);margin-top:30px}[hidden]{display:none!important}@media(max-width:760px){header,main,footer{padding:20px 16px}.intro{display:block;padding-top:20px}.intro button{width:100%;margin:4px 0 10px}.cards{grid-template-columns:1fr;gap:12px}.card{padding:20px}.number{margin-top:10px}.card .stat{margin-top:12px;padding-top:12px}.grid{grid-template-columns:1fr;gap:0}.panel{padding:18px}.panelhead{align-items:start}.panelhead label{max-width:140px}nav button{padding:12px 10px;font-size:13px}.private{font-size:11px}#logout{padding:8px;font-size:12px}.formgrid{grid-template-columns:1fr 1fr}footer span{display:none}}

.periodbar{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.periodbar label{flex:1;min-width:140px}.periodbar input,.periodbar select{margin-bottom:0}.periodbar p{width:100%;margin:0}.comparetable td{white-space:normal;min-width:120px}.warning{color:#94541b}.cost{font-size:23px;font-weight:700;margin-top:10px}#ostromStatus{padding:12px;background:#eef4e9;border-radius:8px}@media(max-width:760px){.periodbar label{min-width:120px}.periodbar button{width:100%}}

.pricealerts{border-left:5px solid #ae681d;background:#fff9ec}.pricealerts h2{font-size:19px}.pricealerts p{font-size:14px}
/* Version 2.2: mobile-first readability, safe areas and reachable navigation. */
.mobile-nav,.chart-hint{display:none}.periodwrap{padding:0}.periodwrap>summary{padding:16px 20px;cursor:pointer;display:flex;align-items:center;gap:14px;list-style:none}.periodwrap>summary::-webkit-details-marker{display:none}.periodwrap>summary:before{content:'▸';font-size:16px}.periodwrap[open]>summary:before{content:'▾'}.periodwrap summary strong{font-size:14px}.change-label{margin-left:auto;font-size:13px;color:var(--green)}.periodwrap .periodbar{padding:0 20px 20px}.cardhead{display:flex;align-items:center;justify-content:space-between;gap:8px}.cardhead h2{margin:0;font-size:17px}.sourcebadge{font-size:10px;background:#eff5e8;border-radius:5px;padding:3px 6px;color:#3c5b42;white-space:nowrap}.cardvalues{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px}.metriclabel{font-size:12px;color:var(--muted)}.card:first-child .metriclabel{color:#c5dbcd}.cardvalues .number{margin:3px 0 0;font-size:32px}.cardvalues .cost{margin:3px 0 0;font-size:23px;line-height:1.3}.cost small{display:block;font-size:11px;line-height:1.4;font-weight:400;margin-top:3px}.carddetails{margin-top:16px;border-top:1px solid var(--line);padding-top:10px}.card:first-child .carddetails{border-color:#ffffff35}.carddetails summary{font-size:12px;cursor:pointer}.carddetails p{font-size:12px}.pricealerts{padding:14px 18px}.pricealerts summary{font-size:14px;cursor:pointer;font-weight:650}.moremenu{display:grid;gap:10px}.moremenu button{text-align:left;padding:16px;white-space:normal;min-height:65px}.moremenu span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.notice{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.notice summary{cursor:pointer;font-weight:650}.notice p{font-size:14px}button:focus-visible,summary:focus-visible{outline:3px solid #83a985;outline-offset:3px}
@media(max-width:760px){
 html{scroll-padding-bottom:100px}body{padding-bottom:calc(84px + env(safe-area-inset-bottom));overflow-x:hidden}header,main,footer{padding-left:14px;padding-right:14px}header{padding-top:calc(14px + env(safe-area-inset-top));padding-bottom:12px}.brand{font-size:28px}.brand span{font-size:8px}.private{display:none}#logout{margin-left:auto;min-height:40px}main{padding-top:0}.intro{padding:20px 0 8px}.intro .eyebrow{display:none}.intro h1{font-size:29px;letter-spacing:-1px;margin:0 0 5px}.intro #coverage{font-size:11px;margin:0 0 12px}.intro button{min-height:46px}.desktop-nav{display:none}.mobile-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;z-index:5;bottom:0;left:0;right:0;margin:0;padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:#fbfcf8;border-top:1px solid var(--line);border-bottom:0;box-shadow:0 -4px 18px #183b3310;overflow:visible;gap:0}.mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:0;min-height:54px;font-size:11px;padding:4px;border-radius:10px;box-shadow:none}.mobile-nav button>span{font-size:23px;line-height:1.1}.mobile-nav button.active{background:#e8f0dd;box-shadow:none;font-weight:750}.periodwrap{margin:8px 0 14px}.periodwrap>summary{padding:14px;gap:8px;font-size:12px}.periodwrap summary strong{font-size:12px;overflow-wrap:anywhere}.change-label{font-size:11px}.periodwrap .periodbar{padding:0 14px 14px;gap:10px}.periodbar label{min-width:100%;flex:1}.periodbar button{min-height:44px}.cards{gap:10px;margin-bottom:14px}.card{padding:16px;border-radius:14px}.cardvalues{grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;min-width:0}.cardvalues>div{min-width:0}.cardvalues .number{font-size:26px;letter-spacing:-.7px;overflow-wrap:anywhere}.number small{font-size:13px}.cardvalues .cost{font-size:20px;overflow-wrap:anywhere}.cardvalues .cost:has(small){font-size:22px}.cardcost .cost:not(:has(small)){font-size:13px;font-weight:500;line-height:1.45}.carddetails{margin-top:10px;padding-top:8px}.panel{border-radius:14px;margin-bottom:14px}.panelhead{flex-wrap:wrap;gap:8px}.panelhead>div{width:100%}.panelhead label{max-width:none;flex:1;min-width:110px}h2{font-size:19px}label{font-size:12px}input,select,textarea{font-size:16px;min-height:46px;min-width:0;max-width:100%}button{min-height:44px}.formgrid{grid-template-columns:1fr}.formgrid button{white-space:normal}#compare .formgrid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}#compare .formgrid input{padding:10px 6px;font-size:14px}#chart{overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}.chartsvg{width:900px;max-width:none;height:290px;min-height:0}.chart-hint{display:block;text-align:center;margin:0 0 12px;font-size:11px}.comparetable{table-layout:fixed}.comparetable td,.comparetable th{min-width:0;padding:10px 5px;font-size:11px;overflow-wrap:anywhere;white-space:normal}.comparetable td:first-child{width:28%}.comparetable small{font-size:10px}.tariffrow{align-items:start;gap:8px}.tariffrow>div{min-width:0;overflow-wrap:anywhere}.tariffrow p{font-size:12px}.tariffrow button{padding:8px;white-space:normal;font-size:12px}.moremenu button{min-height:68px}dialog{padding:16px;max-height:calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}dialog .formgrid{grid-template-columns:1fr}dialog .panelhead{flex-wrap:nowrap}#saveReading{width:100%;white-space:normal}#toast{bottom:calc(86px + env(safe-area-inset-bottom));font-size:13px;width:max-content;max-width:90vw}.pricealerts{margin-bottom:14px}footer{margin-top:16px;font-size:10px}
 #rows,#monthly tbody{display:grid;gap:12px}#history thead,#monthly thead{display:none}#rows tr,#monthly tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;padding:14px;background:#f6f8f0;border:1px solid var(--line);border-radius:12px}#rows td,#monthly td{display:block;padding:0;border:0;white-space:normal;min-width:0;font-size:13px;overflow-wrap:anywhere}#rows td:before,#monthly td:before{content:attr(data-label);display:block;color:var(--muted);font-size:10px;margin-bottom:3px}#rows td:last-child{grid-column:1/-1;display:flex;gap:8px;align-items:center;flex-wrap:wrap}#rows td:last-child:before{display:none}#rows td:last-child button{font-size:12px;min-height:40px}#monthly td:first-child{grid-column:1/-1;font-weight:750}#monthly td[data-label="Kosten"]{grid-column:1/-1}#monthly .scroll{overflow:visible}
}