:root{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --surface-soft:#fbfcfd;
  --line:#e4e9ee;
  --line-strong:#d6dde6;
  --text:#223243;
  --muted:#647382;
  --accent:#ff6f1f;
  --accent-strong:#f15517;
  --accent-soft:#fff1e8;
  --navy:#233548;
  --navy-soft:#31485f;
  --ok:#1f7a4f;
  --ok-bg:#e8f7ef;
  --warn:#b24d14;
  --warn-bg:#fff1e6;
  --danger:#a32828;
  --danger-bg:#fff1f1;
  --shadow:0 14px 34px rgba(20,35,53,.08);
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --maxw:1180px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-synthesis:none;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:radial-gradient(circle at top right,#fffaf6 0,#f5f7f9 34%,#f4f6f8 100%);color:var(--text)}
img{max-width:100%;display:block}
button,input,select{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:not-allowed}
a{color:inherit}
:focus-visible{outline:3px solid rgba(255,111,31,.35);outline-offset:3px}
h1,h2,h3,p{margin:0 0 .65rem}
h1{font-size:clamp(1.75rem,3.2vw,2.6rem);letter-spacing:-.04em;line-height:1.05}
h2{font-size:1.18rem;letter-spacing:-.02em}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#f3f6f9;border-radius:8px;padding:.1rem .35rem}
.shell{padding:2rem}
.layout{display:flex;min-height:100dvh}
.backdrop{position:fixed;inset:0;background:rgba(18,28,39,.45);backdrop-filter:blur(2px);z-index:9;opacity:0;pointer-events:none;transition:opacity .22s ease}
.drawer{position:fixed;inset:0 auto 0 0;width:min(86vw,310px);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-right:1px solid rgba(223,230,237,.9);padding:1.1rem 1rem 1rem;z-index:10;transform:translateX(-102%);transition:transform .24s ease;display:flex;flex-direction:column;gap:1rem}
.drawer.open{transform:translateX(0)}
.backdrop.open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.2rem .3rem .4rem}
.brand-block{display:flex;align-items:center;gap:.85rem;min-width:0}
.brand-block img{width:42px;height:42px;border-radius:12px;box-shadow:0 10px 22px rgba(241,85,23,.12)}
.brand-copy{min-width:0}
.brand-title{font-weight:800;font-size:1.08rem;line-height:1;color:var(--navy);margin:0}
.brand-sub{font-size:.8rem;color:var(--muted);margin:.18rem 0 0}
.drawer-close{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--navy)}
.drawer-panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:.8rem;box-shadow:var(--shadow)}
.nav{display:flex;flex-direction:column;gap:.45rem}
.nav button{border:0;background:transparent;color:var(--muted);padding:.95rem .95rem;border-radius:14px;text-align:left;font-weight:700;display:flex;align-items:center;gap:.75rem;transition:background .18s ease,color .18s ease,transform .18s ease}
.nav button:hover{background:#f6f8fa;color:var(--navy)}
.nav button.active{background:linear-gradient(180deg,#fff4ec,#ffefe4);color:var(--navy);box-shadow:inset 0 0 0 1px #ffe2d0}
.nav-icon{width:1.45rem;text-align:center;font-size:1.06rem;color:var(--accent)}
.drawer-foot{margin-top:auto;color:var(--muted);font-size:.84rem;padding:.4rem .35rem 0}
.main{width:100%;padding:1rem 1rem 2.5rem}
.main-inner{max-width:var(--maxw);margin:0 auto}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid rgba(225,231,237,.95);box-shadow:var(--shadow);border-radius:22px;padding:.75rem .95rem;position:sticky;top:.75rem;z-index:5;margin-bottom:1rem}
.topbar-left{display:flex;align-items:center;gap:.85rem;min-width:0;flex:1}
.topbar-brand{display:flex;align-items:center;gap:.8rem;min-width:0}
.topbar-brand img{width:42px;height:42px;border-radius:12px;box-shadow:0 10px 20px rgba(241,85,23,.10);flex-shrink:0}
.topbar-title{min-width:0;display:grid;gap:.08rem}
.topbar-title h2{margin:0;font-size:1rem;line-height:1.1;color:var(--navy)}
.topbar-title p{margin:0;color:var(--muted);font-size:.79rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:min(56vw,420px)}
.burger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#f8fafc;display:inline-grid;place-items:center;box-shadow:none;padding:0;flex-shrink:0}
.burger-inner{display:grid;gap:4px}
.burger-inner span{display:block;width:18px;height:2px;border-radius:999px;background:var(--navy)}
.account{display:flex;align-items:center;gap:.6rem;flex-shrink:0}
.account-meta{line-height:1.1;text-align:right}
.account-meta strong{display:block;font-size:.9rem}
.account-meta span{display:block;font-size:.74rem;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.38rem .72rem;border-radius:999px;background:#f2f5f8;font-size:.8rem;font-weight:800;color:var(--muted);border:1px solid #e8edf2}
.badge.ok{background:var(--ok-bg);color:var(--ok);border-color:#cbe8d7}
.badge.warn{background:var(--warn-bg);color:var(--warn);border-color:#ffd9c2}
.btn{border:1px solid var(--line-strong);background:var(--surface);color:var(--navy);border-radius:14px;padding:.78rem 1rem;font-weight:800;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(30,40,55,.08);background:#fcfdff}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-strong));color:#fff;border-color:transparent}
.btn.primary:hover{box-shadow:0 12px 24px rgba(241,85,23,.24)}
.btn.ghost{background:#f6f9fb}
.btn.danger{color:var(--danger)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin:1.1rem 0 1.25rem;padding:.25rem 0 .15rem}
.page-head p{color:var(--muted);max-width:64ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));gap:1rem}
.stack{display:grid;gap:1rem}
.card,.panel{background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border:1px solid rgba(226,232,238,.95);border-radius:var(--radius-xl);padding:1.25rem;box-shadow:var(--shadow)}
.card{position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--accent),#ff9a5f)}
.card h2,.panel h2{margin-bottom:.45rem}
.sectionhead{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.hint,.notice,.alert{border-radius:16px;padding:.95rem 1rem;border:1px solid transparent;margin:.85rem 0}
.hint{background:var(--accent-soft);border-color:#ffd9c2;color:#805334}
.notice{background:var(--ok-bg);border-color:#cbe8d7;color:#235e40}
.alert{background:var(--danger-bg);border-color:#f0c8c8;color:#8f2626}
.offline-banner{margin-top:1rem}
.field{display:flex;flex-direction:column;gap:.45rem;font-weight:750;margin:0 0 1rem}
.field input,.field select{width:100%;border:1px solid var(--line-strong);border-radius:14px;min-height:48px;padding:.8rem .9rem;background:#fff;color:var(--text)}
.field input[type=checkbox]{width:auto;min-height:auto}
.formrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:.9rem}
.select-row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.select-row select{min-width:min(100%,340px)}
.auth{min-height:100dvh;display:grid;place-items:center;padding:1.25rem}
.auth-shell{width:min(100%,460px)}
.auth-brand{display:flex;justify-content:center;margin-bottom:1rem}
.auth-brand img{width:min(240px,74vw);filter:drop-shadow(0 16px 32px rgba(35,53,72,.08))}
.auth .panel{padding:1.6rem}
.temperature-card{display:grid;gap:1rem}
.temperature-note{font-size:.95rem;color:var(--muted)}
.temperature{display:flex;justify-content:center;align-items:flex-end;gap:.25rem;font-size:clamp(4rem,10vw,6.4rem);letter-spacing:-.08em;font-weight:900;color:var(--navy);margin:.3rem 0 .1rem}
.temperature span{font-size:1.4rem;color:var(--muted);padding-bottom:.9rem}
.tempctrl{display:flex;align-items:center;justify-content:center;gap:1rem}
.tempbtn{width:64px;height:64px;border-radius:20px;font-size:2rem;line-height:1;padding:0;border:1px solid #ffd6bf;background:linear-gradient(180deg,#fff3eb,#ffe4d2);color:var(--accent-strong);font-weight:800}
.modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}
.modebtn{padding:1rem .8rem;border-radius:18px;border:1px solid var(--line);background:#fff;text-align:left;display:grid;gap:.22rem;min-height:98px}
.modebtn strong{font-size:.98rem;line-height:1.15}
.modebtn span{font-size:.82rem;color:var(--muted)}
.modebtn.active,.modebtn:hover{border-color:#ffd4bd;background:linear-gradient(180deg,#fff7f2,#ffefe4)}
.days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:.75rem}
.day{border:1px solid var(--line);border-radius:16px;padding:.85rem;background:rgba(251,252,253,.9);min-height:148px}
.day strong{display:block;margin-bottom:.65rem;color:var(--navy)}
.window{background:linear-gradient(180deg,#fff7f2,#ffefe5);border:1px solid #ffe0cc;border-left:4px solid var(--accent);padding:.55rem .55rem .5rem;border-radius:12px;margin-bottom:.55rem;font-size:.8rem;word-break:break-word}
.window button{margin-top:.45rem}
.dayscheck{display:flex;gap:.55rem;flex-wrap:wrap}
.dayscheck label{background:#f7fafc;border:1px solid var(--line);padding:.55rem .7rem;border-radius:12px;display:flex;gap:.4rem;align-items:center}
.tablewrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:.9rem;text-align:left;border-bottom:1px solid #edf1f4;vertical-align:top}
.table th{font-size:.88rem;color:var(--muted);font-weight:800;background:#fbfcfd}
.empty{padding:2.4rem 1rem;text-align:center;color:var(--muted)}
.overlay{position:fixed;inset:0;display:grid;place-items:center;background:rgba(17,27,39,.55);backdrop-filter:blur(3px);padding:1rem;z-index:12}
.dialog{background:#fff;border-radius:26px;padding:1.35rem;max-width:560px;width:100%;max-height:90dvh;overflow:auto;box-shadow:0 20px 50px rgba(18,28,39,.28)}
.spaced{display:flex;justify-content:space-between;align-items:center;gap:.75rem}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:.8rem}
.kpi .mini{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:.95rem}
.kpi .mini strong{display:block;font-size:1.3rem;letter-spacing:-.03em;color:var(--navy)}
.kpi .mini span{display:block;font-size:.82rem;color:var(--muted);margin-top:.2rem}
.skeleton{height:140px;border-radius:22px;background:linear-gradient(90deg,#eef1f4 18%,#f8fafc 50%,#eef1f4 82%);background-size:220% 100%;animation:shimmer 1.7s infinite}
@keyframes shimmer{to{background-position-x:-220%}}

@media (min-width:980px){
  .layout{align-items:flex-start}
  .backdrop{display:none}
  .drawer{position:sticky;top:0;transform:none;width:290px;min-height:100dvh;background:transparent;border-right:0;padding:1rem}
  .drawer-close{display:none}
  .main{padding:1rem 1rem 2.5rem 0}
  .burger{display:none}
}

@media (max-width:979px){
  .topbar{top:max(.5rem,env(safe-area-inset-top));padding:.72rem .8rem}
  .account-meta{display:none}
  .main{padding:.9rem .85rem 2rem}
  .drawer{box-shadow:0 24px 50px rgba(17,27,39,.22)}
}

@media (max-width:760px){
  .card,.panel,.dialog{padding:1rem}
  .grid{grid-template-columns:1fr}
  .days{grid-template-columns:repeat(2,minmax(0,1fr))}
  .modes{grid-template-columns:1fr}
  .modebtn{min-height:auto}
  .tempbtn{width:58px;height:58px}
}

@media (max-width:460px){
  .shell{padding:1rem}
  .topbar{padding:.68rem .75rem}
  .topbar-title h2{font-size:.93rem}
  .topbar-title p{font-size:.73rem;max-width:38vw}
  .topbar-brand img{width:38px;height:38px}
  .temperature{font-size:3.55rem}
  .temperature span{font-size:1.1rem;padding-bottom:.58rem}
  .tempctrl{gap:.8rem}
  .days{grid-template-columns:1fr}
  .actions .btn,.btn{width:100%;justify-content:center}
  .actions{align-items:stretch}
  .select-row select{min-width:100%}
  .account .btn{width:auto;padding:.72rem .85rem}
}

.page-hero{display:grid;gap:.45rem;margin-bottom:1rem}
.page-kicker{display:inline-flex;align-items:center;gap:.45rem;padding:.35rem .65rem;border-radius:999px;background:var(--accent-soft);color:var(--warn);font-size:.8rem;font-weight:800;width:max-content;border:1px solid #ffd9c2}
.overview-card-meta{display:grid;gap:.55rem;margin-top:.9rem}
.overview-card-meta p{margin:0}
.status-row{display:flex;justify-content:space-between;align-items:center;gap:.75rem;flex-wrap:wrap}
.soft-divider{height:1px;background:linear-gradient(90deg,#eef2f5,transparent);margin:1rem 0}

/* heatCTRL / DerDemo Kontaktseite */
.contact-panel{max-width:800px;margin:0 auto;padding:clamp(1.2rem,4vw,2rem)}
.contact-header{display:flex;align-items:center;gap:1rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}
.contact-heat-logo{width:76px;height:76px;object-fit:contain;border-radius:18px;flex-shrink:0}
.contact-header h2{font-size:1.5rem;margin:0 0 .2rem}
.contact-header p{margin:0}
.contact-company{display:flex;align-items:flex-start;flex-direction:column;gap:1.2rem;padding-top:1.5rem}
.contact-company-logo{display:block;width:min(100%,340px);height:auto;max-height:120px;object-fit:contain;object-position:left center}
.contact-company p{margin:0;color:var(--muted)}
.contact-link{text-decoration:none;display:inline-flex;align-items:center;justify-content:center;min-height:48px}
@media(max-width:460px){.contact-panel{padding:1.1rem}.contact-heat-logo{width:56px;height:56px}.contact-header h2{font-size:1.3rem}.contact-link{width:100%}}