:root{
  --bg:#F5F7F6; --panel:#FFFFFF; --ink:#1E2A2B; --muted:#5F6E6D; --line:#DDE4E2;
  --teal:#0E6B63; --teal-soft:#E3F0EE; --light:#7FB8B1; --amber:#D9A441;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#141A1A; --panel:#1C2424; --ink:#E8EEEC; --muted:#9BA9A7; --line:#2B3736; --teal:#4FB3A8; --teal-soft:#1F3331; }
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,"Segoe UI",system-ui,Roboto,sans-serif}
a{color:var(--teal)}
code{background:var(--teal-soft);padding:.1em .4em;border-radius:4px;font-size:.92em;word-break:break-all}
main{max-width:1080px;margin:0 auto;padding:16px}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
.brand{white-space:nowrap;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
nav a{margin-left:16px;text-decoration:none;color:var(--muted)}
nav a.on{color:var(--teal);font-weight:600}
h1{font-size:1.6rem;margin:.6em 0 .3em;letter-spacing:-.02em}
h2{font-size:1.1rem;margin:1.8em 0 .5em}
p{margin:.4em 0}
.muted{color:var(--muted);font-size:.92rem}
.narrow{max-width:560px}
.flash{background:var(--teal-soft);border-left:4px solid var(--teal);padding:10px 14px;margin:8px 0 16px;border-radius:0 6px 6px 0}
.steps li{margin-bottom:.6em}
.form label{display:block;margin:12px 0 4px;font-weight:600;font-size:.95rem}
.form input{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font-size:1rem}
.form.row{display:flex;gap:12px;align-items:end}
.form.row label{flex:1}
button,.btn{display:inline-block;margin-top:14px;padding:10px 18px;border:0;border-radius:8px;background:var(--teal);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none}
button.quiet{background:transparent;color:var(--teal);border:1px solid var(--teal)}
button:disabled{opacity:.5;cursor:default}
.inline{display:inline-block;margin:0 8px 0 0}
.inline button{margin-top:0;padding:7px 14px;font-size:.92rem}
.bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin:6px 0 14px}
.range button{margin:0;padding:7px 12px;background:var(--panel);color:var(--muted);border:1px solid var(--line);border-radius:0;font-weight:500;font-size:.92rem}
.range button:first-child{border-radius:8px 0 0 8px}
.range button:last-child{border-radius:0 8px 8px 0}
.range button.on{background:var(--teal);color:#fff;border-color:var(--teal)}

.hero{display:grid;grid-template-columns:auto 1fr;gap:20px 32px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.hero .score{text-align:center;min-width:120px}
.hero .big{font-size:4.2rem;font-weight:700;line-height:1;letter-spacing:-.04em;color:var(--teal)}
.hero .lbl{color:var(--muted);font-size:.85rem;margin-top:6px}
.night .line{font-weight:600;margin-bottom:10px}
.stages{display:flex;height:22px;border-radius:6px;overflow:hidden;background:var(--line)}
.stages i{display:block;height:100%}
.deep{background:var(--teal)} .light{background:var(--light)} .rem{background:var(--amber)}
.legend{display:flex;gap:16px;margin-top:8px;font-size:.85rem;color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:middle;background:currentColor}
.legend .deep{background:none;color:var(--teal)} .legend .light{background:none;color:var(--light)} .legend .rem{background:none;color:var(--amber)}
.facts{grid-column:1 / -1;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px 18px;margin:6px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.facts dt{color:var(--muted);font-size:.8rem}
.facts dd{margin:0;font-weight:600;font-size:1.15rem}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:14px}
figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 14px 10px;height:280px;display:flex;flex-direction:column}
figcaption{font-weight:600;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center;gap:8px}
figcaption select{font-size:.85rem;padding:3px 6px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}
figure canvas{flex:1;min-height:0}

.tbl{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.95rem}
.tbl th,.tbl td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{color:var(--muted);font-weight:600;font-size:.85rem}
.tbl.small td{font-size:.82rem;vertical-align:top}
@media (max-width:640px){
  .hero{grid-template-columns:1fr;text-align:left}
  .hero .score{text-align:left;display:flex;align-items:baseline;gap:12px}
  .hero .big{font-size:3.2rem}
  nav a{margin-left:12px;font-size:.92rem}
  .tbl th:nth-child(n+6),.tbl td:nth-child(n+6){display:none}
}

/* Erweiterungen */
.alert{margin:0 0 14px;padding:10px 14px;border-radius:8px;border-left:4px solid var(--teal);background:var(--teal-soft);font-size:.95rem}
.alert:empty{display:none}
.alert.warn{border-left-color:#C96A4E;background:rgba(201,106,78,.12)}
.alert.info{border-left-color:var(--muted);background:transparent;border:1px solid var(--line);border-left-width:4px}
.legend .wake{background:none;color:#C96A4E}
.hypno{height:110px;margin-top:12px;display:none}
.stats h2{margin-top:1.4em;font-size:1rem;color:var(--muted);font-weight:500}
.statgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.statgrid dt{color:var(--muted);font-size:.8rem}
.statgrid dd{margin:0;font-weight:600;font-size:1.15rem;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.statgrid small{color:var(--muted);font-size:.78rem}
.delta{font-size:.8rem;font-weight:600;padding:1px 6px;border-radius:10px;background:var(--line)}
.delta.good{background:var(--teal-soft);color:var(--teal)}
.delta.bad{background:rgba(201,106,78,.15);color:#C96A4E}
.noteform{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 18px 18px;margin-bottom:12px}
.noteform label{margin-top:8px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:20px;font-weight:500;font-size:.9rem;cursor:pointer;margin:0}
.chip:has(input:checked){background:var(--teal);color:#fff;border-color:var(--teal)}
.chip input{margin:0}
.noteform button{margin-right:10px}
@media (max-width:640px){ .bar form.inline{display:flex;flex-wrap:wrap;gap:6px;align-items:center} }

/* Empfehlungen und Einordnung */
.tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.tip{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:12px 16px}
.tip.p1{border-left-color:#C96A4E}
.tip.p2{border-left-color:var(--amber)}
.tip h3{margin:0 0 6px;font-size:1rem}
.tip p{margin:4px 0;font-size:.93rem}
.tip .why{color:var(--muted)}
.assess{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.arow summary{display:grid;grid-template-columns:14px 1.4fr 1fr 2fr 1fr;gap:10px;align-items:center;padding:10px 14px;cursor:pointer;list-style:none;border-bottom:1px solid var(--line);font-size:.93rem}
.arow summary::-webkit-details-marker{display:none}
.arow .dot{width:10px;height:10px;border-radius:50%;background:var(--muted)}
.arow.ok .dot{background:var(--teal)} .arow.warn .dot{background:var(--amber)} .arow.bad .dot{background:#C96A4E}
.arow .k{font-weight:600} .arow .v{font-weight:600} .arow .ref,.arow .g{color:var(--muted);font-size:.85rem}
.arow.ok .g{color:var(--teal)} .arow.warn .g{color:var(--amber)} .arow.bad .g{color:#C96A4E}
.arow .expl{padding:8px 14px 12px 38px;font-size:.9rem;border-bottom:1px solid var(--line);background:var(--bg)}
.arow .expl p{margin:4px 0}
@media (max-width:640px){
  .arow summary{grid-template-columns:12px 1fr auto;grid-template-areas:"d k v" ". ref ref" ". g g"}
  .arow .dot{grid-area:d} .arow .k{grid-area:k} .arow .v{grid-area:v} .arow .ref{grid-area:ref} .arow .g{grid-area:g}
  .arow .expl{padding-left:14px}
}

/* WHOOP-artige Bloecke */
.rs{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-bottom:14px}
.rsbox{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:14px;padding:16px}
.rsbox h3{margin:0 0 4px;font-size:1.05rem}
.rsbox p{margin:4px 0;font-size:.9rem}
.rsbox .coach{font-size:.9rem}
.ring{position:relative;width:96px;height:96px;flex:0 0 96px}
.ring svg{width:96px;height:96px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9}
.ring .bg{stroke:var(--line)}
.ring .fg{stroke:var(--teal);stroke-linecap:round;transition:stroke-dashoffset .6s}
.ringv{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:2px}
.ringv b{font-size:1.6rem;letter-spacing:-.03em} .ringv small{color:var(--muted);font-size:.75rem}
.sleepbox{display:block}
.mini{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px 12px;margin:6px 0 10px}
.mini dt{color:var(--muted);font-size:.78rem} .mini dd{margin:0;font-weight:600;font-size:1.05rem}
.hm{margin-bottom:14px}
.hmcard{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:14px;padding:14px 16px}
.hmcard.warn{border-left-color:var(--amber)} .hmcard.bad{border-left-color:#C96A4E}
.hmcard h3{margin:0 0 8px;font-size:1.05rem} .hmcard p{margin:8px 0 0;font-size:.9rem}
.hmrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.hmi{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.hmi dt{color:var(--muted);font-size:.78rem} .hmi dd{margin:0;font-weight:600;font-size:1.15rem}
.hmi small{color:var(--muted);font-size:.75rem}
.hmi.bad{border-color:#C96A4E;background:rgba(201,106,78,.08)} .hmi.good{border-color:var(--teal);background:var(--teal-soft)}
.week .statgrid{margin-bottom:6px}
.coachbox{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.row2{display:flex;gap:8px;margin:8px 0}
.row2 input{flex:1;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:1rem}
.row2 button{margin:0}
.answer{white-space:pre-wrap;font-size:.95rem;line-height:1.5}
.answer:empty{display:none}
tr.muted td{color:var(--muted)}
.ringv b{font-size:1.45rem}