/* IBM Plex – lokal eingebunden (keine Google-Server, DSGVO), Lizenz: fonts/OFL-IBM-Plex.txt */
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/ibm-plex-sans-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}
:root{
  --ground:#eceff3; --surface:#ffffff; --surface-2:#f5f7fa; --line:#d5dbe3;
  --ink:#121a24; --muted:#56616f; --accent:#cc0000; --accent-ink:#ffffff; --accent-soft:#fbe3e3;
  --green:#18924f; --red:#cf3527; --amber:#d49400; --led-off:#c3cad3;
  --urgent-bg:#fbe9e6; --urgent-ink:#8f1f14; --ok-bg:#e3f3ea; --ok-ink:#115c33;
  --note-bg:#f3f5f8; --warn-bg:#fff4dc; --warn-ink:#6b4a00;
  --lcd-bg:#b9c7a4; --lcd-ink:#1b2812; --panel:#e4e7eb; --panel-edge:#c7ccd3;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0e1319; --surface:#171e27; --surface-2:#1d2631; --line:#2c3643;
    --ink:#e6ebf0; --muted:#9ba7b4; --accent:#e23b3b; --accent-ink:#ffffff; --accent-soft:#3a1c1c;
    --green:#3cc47a; --red:#f0645a; --amber:#f0b429; --led-off:#3a4552;
    --urgent-bg:#3a1b18; --urgent-ink:#ffb4ab; --ok-bg:#15301f; --ok-ink:#9be3b7;
    --note-bg:#1d2631; --warn-bg:#35290e; --warn-ink:#f5d27a;
    --lcd-bg:#2c3a22; --lcd-ink:#cfe9ac; --panel:#222b36; --panel-edge:#344150;
  }
}
:root[data-theme="dark"]{
  --ground:#0e1319; --surface:#171e27; --surface-2:#1d2631; --line:#2c3643;
  --ink:#e6ebf0; --muted:#9ba7b4; --accent:#e23b3b; --accent-ink:#ffffff; --accent-soft:#3a1c1c;
  --green:#3cc47a; --red:#f0645a; --amber:#f0b429; --led-off:#3a4552;
  --urgent-bg:#3a1b18; --urgent-ink:#ffb4ab; --ok-bg:#15301f; --ok-ink:#9be3b7;
  --note-bg:#1d2631; --warn-bg:#35290e; --warn-ink:#f5d27a;
  --lcd-bg:#2c3a22; --lcd-ink:#cfe9ac; --panel:#222b36; --panel-edge:#344150;
}
*{box-sizing:border-box}
body{background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;padding:0 16px 32px}
.wrap{max-width:560px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
a{color:var(--accent)}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* emergency strip */
.sos{margin:0 -16px;background:var(--red);color:#fff;font-weight:600;font-size:14px;text-align:center;padding:8px 16px}
.sos a{color:#fff;text-decoration:underline;text-underline-offset:2px}

/* header */
.head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:6px;line-height:1}
.brand b{font-weight:700;letter-spacing:.08em;font-size:19px}
.brand span{font-size:14px;color:var(--muted)}
.chip{font-family:var(--mono);font-size:13px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--muted)}
.chip strong{color:var(--ink);font-weight:500}
.system{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center}
.system .sym{grid-row:span 2;width:40px;height:40px;border-radius:8px;background:var(--accent-soft);display:grid;place-items:center}
.system .sym svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:2}
.system .k{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.system .v{font-weight:600;line-height:1.3}
kbd.key{display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 6px;margin:0 2px;border-radius:6px;border:1px solid var(--panel-edge);border-bottom-width:3px;background:linear-gradient(var(--surface),var(--panel));font-family:var(--sans);font-size:14px;font-weight:700;line-height:1;color:var(--ink);vertical-align:-3px}
.screens{display:flex;flex-wrap:wrap;gap:10px 14px}
.scr{margin:0;display:flex;flex-direction:column;gap:4px;max-width:100%}
.scr .cap{margin:0}
.cap.in{margin:0;text-align:center}

/* card */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 16px;display:flex;flex-direction:column;gap:14px}
.nav{display:flex;justify-content:space-between;align-items:center;min-height:36px}
.back{background:none;border:0;color:var(--accent);font-weight:600;padding:6px 4px;cursor:pointer;display:inline-flex;gap:4px;align-items:center}
.back[hidden]{display:none}
.stepno{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
h1{font-size:23px;line-height:1.25;margin:0;text-wrap:balance;font-weight:700}
h2{font-size:18px;line-height:1.3;margin:0;font-weight:600;text-wrap:balance}
h2.grp{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:6px 0 -6px}
.answers + h2.grp{margin-top:10px}
.lead{margin:0;color:var(--muted)}
ol.steps{margin:0;padding:0;list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:10px}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
ol.steps li::before{content:counter(s);width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:14px;display:grid;place-items:center}
.note{background:var(--note-bg);border-radius:10px;padding:10px 12px;font-size:15px;color:var(--muted)}
.warn{background:var(--warn-bg);color:var(--warn-ink);border-radius:10px;padding:10px 12px;font-size:15px;font-weight:500}

/* panel illustration */
.panel{background:var(--panel);border:1px solid var(--panel-edge);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px}
.leds{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.led{display:flex;flex-direction:row;align-items:center;gap:9px;font-size:13px;color:var(--muted);text-align:left}
.led i{width:16px;height:16px;border-radius:50%;background:var(--led-off);box-shadow:inset 0 -2px 0 rgba(0,0,0,.15)}
.led.on{color:var(--ink);font-weight:600}
.led.on.g i,.led.blink.g i{background:var(--green);box-shadow:0 0 0 4px color-mix(in srgb,var(--green) 22%,transparent)}
.led.on.r i{background:var(--red);box-shadow:0 0 0 4px color-mix(in srgb,var(--red) 22%,transparent)}
.led.on.y i{background:var(--amber);box-shadow:0 0 0 4px color-mix(in srgb,var(--amber) 25%,transparent)}
.led.blink{color:var(--ink);font-weight:600}
.led.blink i{animation:blink 1s steps(1) infinite}
@keyframes blink{50%{background:var(--led-off);box-shadow:none}}
.lcd{background:var(--lcd-bg);color:var(--lcd-ink);font-family:var(--mono);font-size:16px;display:inline-block;max-width:100%;border:2px solid color-mix(in srgb,var(--lcd-ink) 55%,transparent);line-height:1.35;border-radius:6px;padding:8px 12px;white-space:pre;overflow-x:auto;box-shadow:inset 0 2px 4px rgba(0,0,0,.18)}
.tscr{background:#8f9494;border:2px solid #6f7574;border-radius:6px;padding:9px 12px;display:flex;align-items:center;min-height:58px;max-width:100%}
.tscr .tsmsg{font-family:var(--mono);color:#eef2f2;font-size:16px;line-height:1.35;white-space:pre-line}
.cap{font-size:13px;color:var(--muted);margin-top:-4px}

/* answers */
.q{font-weight:600;margin:4px 0 0}
.answers{display:flex;flex-direction:column;gap:8px}
.ans{width:100%;text-align:left;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:56px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;cursor:pointer;transition:border-color .15s,background .15s}
.ans:hover{border-color:var(--accent);background:var(--accent-soft)}
.ans .t{font-weight:600;line-height:1.3;display:block}
.ans .s{font-size:14px;color:var(--muted);display:block;margin-top:2px;line-height:1.35}
.ans .chev{width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:2}
.ans .d{width:14px;height:14px;border-radius:50%;background:var(--led-off)}
.ans .d.none{visibility:hidden;width:0;margin-right:-12px}
.d.green{background:var(--green)} .d.red{background:var(--red)} .d.amber{background:var(--amber)}
.d.green-blink{background:var(--green);animation:blink 1s steps(1) infinite}
.ans.soon{cursor:default;opacity:.62}
.ans.soon:hover{border-color:var(--line);background:var(--surface-2)}
.badge{font-size:12px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 8px;white-space:nowrap}

/* end states */
.endhead{display:flex;flex-direction:column;gap:8px;border-radius:12px;padding:14px}
.endhead.ok{background:var(--ok-bg);color:var(--ok-ink)}
.endhead.hot{background:var(--note-bg)}
.endhead.urgent{background:var(--urgent-bg);color:var(--urgent-ink)}
.endhead .lead{color:inherit;opacity:.92}
.flag{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hotline{display:flex;flex-direction:column;gap:10px}
.btn{display:flex;justify-content:center;align-items:center;gap:8px;min-height:52px;border-radius:12px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;padding:10px 14px;text-align:center}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.secondary{background:var(--surface-2);border-color:var(--line);color:var(--ink)}
.btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}
.hotline small{color:var(--muted);text-align:center}
dl.sum{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:15px}
dl.sum dt{color:var(--muted)}
dl.sum dd{margin:0;font-weight:500}
ol.path{margin:0;padding-left:20px;font-size:15px;display:flex;flex-direction:column;gap:3px}
ol.path span{color:var(--muted)}
.safety{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.fb{display:flex;gap:8px}
.fb .btn{flex:1}
.toast{background:var(--ok-bg);color:var(--ok-ink);border-radius:10px;padding:10px 12px;font-size:15px}
.restart{align-self:flex-start;background:none;border:0;color:var(--accent);font-weight:600;padding:4px 0;cursor:pointer}

/* footer */
.foot{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:10px}
.proto{border:1px dashed var(--line);border-radius:10px;padding:10px 12px}
@media (prefers-reduced-motion: reduce){.led.blink i,.d.green-blink{animation:none;opacity:.7}}

/* ---- Ergänzungen Web-App ---- */
html,body{margin:0}
body{-webkit-text-size-adjust:100%;padding-bottom:calc(32px + env(safe-area-inset-bottom,0px))}
.sos{padding-top:calc(8px + env(safe-area-inset-top,0px))}
.testbetrieb{margin:0 -16px;background:var(--warn-bg);color:var(--warn-ink);font-size:13px;font-weight:600;text-align:center;padding:6px 16px}
.foot a{color:var(--muted)}
.foot .links{display:flex;gap:16px;flex-wrap:wrap}
.form{display:flex;flex-direction:column;gap:10px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:600}
.form input,.form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
.form input:focus,.form textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
.form input.codefeld{font-family:var(--mono);font-size:22px;letter-spacing:.12em;text-transform:uppercase;text-align:center}
.form input.codefeld::placeholder{color:var(--muted);opacity:.55;text-transform:none;letter-spacing:.02em;font-size:16px}
.form small{color:var(--muted);font-weight:400}
.fehler{background:var(--urgent-bg);color:var(--urgent-ink);border-radius:10px;padding:10px 12px;font-size:15px}
.btn[disabled]{opacity:.6;cursor:default}
.hidden-noscript{display:none}

[hidden]{display:none!important}