/* ═════ css/tokens.css ═════ */
/* Design-Tokens — Farben, Maße, Schatten.
 *
 * Drei Theme-Zustände: der blanke :root-Block definiert das helle Set, die
 * prefers-color-scheme-Regel das dunkle für Nutzer ohne ausdrückliche Wahl, der
 * [data-theme="dark"]-Block gewinnt bei ausdrücklicher Wahl.
 *
 * Regel: Farben werden ausschliesslich über Tokens gesetzt, nie direkt in einem
 * Media- oder [data-theme]-Block — sonst greifen sie im ungestempelten Zustand nicht.
 */

:root{
  --ground:#f4f6f7; --surface:#ffffff; --surface-2:#eef1f3; --surface-3:#e4e9ec;
  --ink:#161b20; --ink-2:#3d4952; --muted:#5f6d78;
  --rule:#d9e0e4; --rule-strong:#b9c4cb;
  --accent:#0d6a6a; --accent-soft:#e2f0ef; --accent-ink:#0a4f4f;
  --ok:#2c7048; --ok-soft:#e4f0e8;
  --warn:#95610a; --warn-soft:#f8eedb;
  --stop:#a03029; --stop-soft:#fae9e7;
  --shadow:0 1px 2px rgba(22,27,32,.05),0 6px 20px -12px rgba(22,27,32,.25);
  --shadow-lg:0 4px 12px rgba(22,27,32,.09),0 24px 60px -24px rgba(22,27,32,.35);
  --maxw:74ch; --rail:320px; --bar:56px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#0f1417; --surface:#171e23; --surface-2:#1e262c; --surface-3:#263138;
  --surface-3:#263138;
  --ink:#e4eaee; --ink-2:#bcc7ce; --muted:#8d9ba5;
  --rule:#28323a; --rule-strong:#3b4750;
  --accent:#4fb5ae; --accent-soft:#14302f; --accent-ink:#7fd0c9;
  --ok:#6cbb8c; --ok-soft:#16291f;
  --warn:#d6a344; --warn-soft:#2c2415;
  --stop:#e08078; --stop-soft:#2e1a18;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -14px rgba(0,0,0,.7);
  --shadow-lg:0 6px 18px rgba(0,0,0,.5),0 30px 70px -30px rgba(0,0,0,.9);
}}
:root[data-theme="dark"]{
  --ground:#0f1417; --surface:#171e23; --surface-2:#1e262c; --surface-3:#263138;
  --ink:#e4eaee; --ink-2:#bcc7ce; --muted:#8d9ba5;
  --rule:#28323a; --rule-strong:#3b4750;
  --accent:#4fb5ae; --accent-soft:#14302f; --accent-ink:#7fd0c9;
  --ok:#6cbb8c; --ok-soft:#16291f;
  --warn:#d6a344; --warn-soft:#2c2415;
  --stop:#e08078; --stop-soft:#2e1a18;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -14px rgba(0,0,0,.7);
  --shadow-lg:0 6px 18px rgba(0,0,0,.5),0 30px 70px -30px rgba(0,0,0,.9);
}

/* ═════ css/base.css ═════ */
/* Reset, Grundtypografie, Schriftzuweisung je Rolle.
 * Serif für Fließtext, Sans für Überschriften und Bedienelemente, Mono für Zahlen.
 */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Serif",Georgia,"Times New Roman",serif;
  font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,.sans,button,input,select,label{font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
code,kbd,.mono,table.data,.formula,.tree{font-family:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace}
button{font-size:inherit;color:inherit}

/* ═════ css/layout.css ═════ */
/* Anwendungsrahmen: Kopfleiste mit Suche, Sidebar mit aufklappbaren Untermenüs,
 * Seitencontainer, Blätterer, Startseiten-Karten und Abbinder.
 */

/* ══════════ APP CHROME ══════════ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--bar);z-index:60;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--rule);
  display:flex;align-items:center;gap:10px;padding:0 14px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:"IBM Plex Sans",sans-serif;min-width:0}
.brand .mark{
  width:26px;height:26px;border-radius:6px;flex:none;
  background:linear-gradient(140deg,var(--accent),color-mix(in srgb,var(--accent) 55%,var(--ink)));
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;
}
:root[data-theme="dark"] .brand .mark,
:root:not([data-theme="light"]) .brand .mark{color:#0f1417}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .brand .mark{color:#fff}}
.brand .txt{font-size:13.5px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand .sub{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.04em}
.spacer{flex:1}

.iconbtn{
  width:34px;height:34px;flex:none;border:1px solid var(--rule);background:var(--surface);
  border-radius:7px;display:grid;place-items:center;cursor:pointer;color:var(--ink-2);
  transition:background .12s,border-color .12s;
}
.iconbtn:hover{background:var(--surface-2);border-color:var(--rule-strong);color:var(--ink)}
.iconbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.iconbtn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#menuBtn{display:grid}
@media(min-width:1000px){#menuBtn{display:none}}

.searchwrap{position:relative;flex:1;max-width:420px}
.searchwrap input{
  width:100%;height:34px;border:1px solid var(--rule);background:var(--surface);
  border-radius:7px;padding:0 32px 0 32px;color:var(--ink);font-size:13.5px;
}
.searchwrap input::placeholder{color:var(--muted)}
.searchwrap input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.searchwrap .si{position:absolute;left:9px;top:8px;width:17px;height:17px;stroke:var(--muted);fill:none;stroke-width:1.8;pointer-events:none}
.searchwrap kbd{
  position:absolute;right:8px;top:8px;font-size:10px;color:var(--muted);
  border:1px solid var(--rule);border-radius:4px;padding:1px 5px;background:var(--surface-2);
  font-family:"IBM Plex Mono",monospace;pointer-events:none;
}
.searchwrap input:not(:placeholder-shown)+.si+kbd{display:none}

#results{
  position:absolute;top:40px;left:0;right:0;max-height:min(65vh,520px);overflow-y:auto;
  background:var(--surface);border:1px solid var(--rule-strong);border-radius:9px;
  box-shadow:var(--shadow-lg);padding:6px;display:none;z-index:70;
}
#results.on{display:block}
#results .rh{font-family:"IBM Plex Sans",sans-serif;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);padding:8px 10px 4px;font-weight:700}
#results a{
  display:block;padding:7px 10px;border-radius:6px;text-decoration:none;color:var(--ink);
  font-family:"IBM Plex Sans",sans-serif;font-size:13px;line-height:1.35;
}
#results a:hover,#results a.sel{background:var(--accent-soft)}
#results a .rl{font-size:10.5px;color:var(--accent);font-weight:600;letter-spacing:.05em;text-transform:uppercase;display:block}
#results a .rs{color:var(--muted);font-size:12px;display:block;margin-top:2px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
#results mark{background:color-mix(in srgb,var(--accent) 28%,transparent);color:inherit;border-radius:2px;padding:0 1px}
#results .empty{padding:16px 12px;color:var(--muted);font-family:"IBM Plex Sans",sans-serif;font-size:13px}

/* ══════════ SIDEBAR ══════════ */
.scrim{position:fixed;inset:0;background:rgba(10,14,17,.5);z-index:49;display:none}
.scrim.on{display:block}
@media(min-width:1000px){.scrim{display:none!important}}

.sidebar{
  position:fixed;top:var(--bar);bottom:0;left:0;width:var(--rail);z-index:50;
  background:var(--surface);border-right:1px solid var(--rule);
  overflow-y:auto;overscroll-behavior:contain;padding:10px 8px 60px;
  transform:translateX(-100%);transition:transform .22s ease;
}
.sidebar.on{transform:none}
@media(max-width:520px){.sidebar{width:290px}}
@media(min-width:1000px){.sidebar{transform:none;background:transparent;border-right:1px solid var(--rule)}}

.navgrp{margin-bottom:2px}
.navrow{display:flex;align-items:stretch;border-radius:7px;overflow:hidden}
.navrow:hover{background:var(--surface-2)}
.navlink{
  flex:1;min-width:0;display:flex;align-items:baseline;gap:9px;
  padding:7px 8px;text-decoration:none;color:var(--ink-2);
  font-family:"IBM Plex Sans",sans-serif;font-size:13.5px;line-height:1.3;cursor:pointer;
  background:none;border:none;text-align:left;
}
.navlink .n{
  font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);
  flex:none;width:1.9em;text-align:right;
}
.navlink:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:6px}
.navgrp.active>.navrow{background:var(--accent-soft)}
.navgrp.active>.navrow .navlink{color:var(--accent-ink);font-weight:600}
.navgrp.active>.navrow .navlink .n{color:var(--accent)}
.twist{
  width:26px;flex:none;border:none;background:none;cursor:pointer;color:var(--muted);
  display:grid;place-items:center;
}
.twist svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s}
.navgrp.open .twist svg{transform:rotate(90deg)}
.twist:hover{color:var(--ink)}
.twist:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:5px}
.subnav{display:none;margin:1px 0 6px 30px;padding-left:11px;border-left:1px solid var(--rule);flex-direction:column;gap:1px}
.navgrp.open .subnav{display:flex}
.subnav a{
  display:block;padding:5px 8px;border-radius:5px;text-decoration:none;
  color:var(--muted);font-family:"IBM Plex Sans",sans-serif;font-size:12.5px;line-height:1.32;
}
.subnav a:hover{background:var(--surface-2);color:var(--ink)}
.subnav a.cur{color:var(--accent-ink);background:var(--accent-soft);font-weight:600}
.subnav a:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.navsep{
  font-family:"IBM Plex Sans",sans-serif;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:700;padding:16px 10px 6px;
}

/* pager */
.pager{display:flex;gap:10px;margin-top:56px;padding-top:22px;border-top:1px solid var(--rule)}
.pager a{
  flex:1;display:block;padding:12px 15px;border:1px solid var(--rule);border-radius:8px;
  text-decoration:none;background:var(--surface);color:var(--ink);transition:border-color .12s,transform .12s;
}
.pager a:hover{border-color:var(--accent);transform:translateY(-1px)}
.pager a.next{text-align:right}
.pager .pl{display:block;font-family:"IBM Plex Sans",sans-serif;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:3px}
.pager .pt{font-family:"IBM Plex Sans",sans-serif;font-size:14px;font-weight:600}
.pager a.dis{visibility:hidden}

/* start page cards */
.cards{display:grid;gap:12px;grid-template-columns:1fr;margin:26px 0}
@media(min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.cards.c3{grid-template-columns:repeat(3,1fr)}}
a.card{
  display:block;padding:16px 17px;border:1px solid var(--rule);border-radius:9px;background:var(--surface);
  text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:border-color .13s,transform .13s;
}
a.card:hover{border-color:var(--accent);transform:translateY(-2px)}
a.card .cn{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:600;display:block;margin-bottom:7px}
a.card .ct{font-family:"IBM Plex Sans",sans-serif;font-size:15.5px;font-weight:600;display:block;margin-bottom:5px;letter-spacing:-.01em}
a.card .cd{font-size:13.5px;color:var(--muted);line-height:1.45;font-family:"IBM Plex Sans",sans-serif}

.masthead{padding:26px 0 30px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 14px;font-weight:500}
.masthead h1{font-size:clamp(2rem,4.4vw,3rem);line-height:1.06;margin:0 0 18px;font-weight:600;letter-spacing:-.022em;text-wrap:balance;max-width:20ch}
.masthead .standfirst{font-size:1.12rem;color:var(--ink-2);max-width:62ch;margin:0}
.meta-strip{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:24px;font-family:"IBM Plex Sans",sans-serif;font-size:12.5px;color:var(--muted)}
.meta-strip b{color:var(--ink-2);font-weight:600}

footer.end{margin-top:60px;padding-top:24px;border-top:2px solid var(--ink);font-family:"IBM Plex Sans",sans-serif;font-size:12.5px;color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Ergänzungen für die getrennte Projektstruktur:
   in der Einzeldatei-Fassung standen diese Regeln inline im Markup. */
.brand{text-decoration:none;color:inherit}
.brand .brandtext{min-width:0;display:block}
.brand .sub{display:block}
.crumb a{text-decoration:none;color:inherit}
.crumb a:hover{color:var(--ink)}
#printBtn.aktiv{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] #printBtn.aktiv{color:#0f1417}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #printBtn.aktiv{color:#0f1417}}

/* ═════ css/content.css ═════ */
/* Inhaltselemente der Kapitel: Überschriften, Hinweiskästen, Formelblöcke,
 * Tabellen, Prozess-Flow, aufklappbare Schrittkarten, Entscheidungsbäume.
 */

/* ══════════ CONTENT ══════════ */
.shell{padding-top:var(--bar)}
@media(min-width:1000px){.shell{padding-left:var(--rail)}}
main{max-width:1180px;margin:0 auto;padding:0 22px 90px;min-width:0}
.page{display:none;animation:fade .22s ease}
.page.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.page{animation:none}html{scroll-behavior:auto}*{transition:none!important}}

.crumb{
  display:flex;align-items:center;gap:8px;padding:18px 0 2px;
  font-family:"IBM Plex Sans",sans-serif;font-size:11.5px;color:var(--muted);
}
.crumb b{color:var(--accent);font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.wrap{max-width:var(--maxw)}

h2.part{
  font-size:clamp(1.55rem,2.7vw,2.05rem);line-height:1.12;font-weight:600;letter-spacing:-.018em;
  margin:6px 0 22px;padding-bottom:16px;border-bottom:2px solid var(--ink);text-wrap:balance;
}
h2.part .pnum{
  display:block;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:9px;
}
h3{font-size:1.24rem;font-weight:600;margin:46px 0 10px;letter-spacing:-.01em;text-wrap:balance;scroll-margin-top:calc(var(--bar) + 16px)}
.page>h3:first-of-type{margin-top:8px}
h4{font-size:1.03rem;font-weight:600;margin:30px 0 8px;scroll-margin-top:calc(var(--bar) + 16px)}
h5{font-size:.86rem;font-weight:600;margin:22px 0 6px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
p{margin:0 0 14px;max-width:var(--maxw)}
ul,ol{margin:0 0 16px;padding-left:1.35em;max-width:var(--maxw)}
li{margin-bottom:5px}
li>ul,li>ol{margin-top:5px;margin-bottom:6px}
a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
strong,b{font-weight:600}
hr{border:none;border-top:1px solid var(--rule);margin:36px 0}
.lead{font-size:1.06rem;color:var(--ink-2)}
code{font-size:.855em;background:var(--surface-2);padding:.12em .38em;border-radius:3px;border:1px solid var(--rule);color:var(--ink)}
.norm{font-family:"IBM Plex Mono",monospace;font-size:.85em;white-space:nowrap;color:var(--accent-ink);font-weight:500}
.fc{color:var(--muted);font-size:.86em}
.hl{color:var(--accent-ink);font-weight:600}
.tree .fc{color:var(--muted);font-size:.92em}

.pill{
  display:inline-block;font-family:"IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:600;
  letter-spacing:.07em;text-transform:uppercase;padding:2px 7px;border-radius:3px;
  vertical-align:.12em;white-space:nowrap;
}
.pill.p,.pill.s{background:var(--stop-soft);color:var(--stop);border:1px solid color-mix(in srgb,var(--stop) 30%,transparent)}
.pill.o{background:var(--surface-2);color:var(--muted);border:1px solid var(--rule-strong)}
.pill.h{background:var(--ok-soft);color:var(--ok);border:1px solid color-mix(in srgb,var(--ok) 30%,transparent)}
.pill.w{background:var(--warn-soft);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 32%,transparent)}

.note{
  border-left:3px solid var(--rule-strong);background:var(--surface);
  padding:14px 18px;margin:22px 0;max-width:var(--maxw);border-radius:0 5px 5px 0;box-shadow:var(--shadow);
}
.note>:last-child{margin-bottom:0}
.note .nh{font-family:"IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;display:block}
.note.law{border-left-color:var(--accent)} .note.law .nh{color:var(--accent)}
.note.hint{border-left-color:var(--ok)} .note.hint .nh{color:var(--ok)}
.note.warn{border-left-color:var(--warn)} .note.warn .nh{color:var(--warn)}
.note.stop{border-left-color:var(--stop)} .note.stop .nh{color:var(--stop)}
.note.disp{border-left-color:var(--rule-strong);background:var(--surface-2);box-shadow:none}

.formula{
  background:var(--surface);border:1px solid var(--rule);border-radius:6px;
  padding:16px 18px;margin:20px 0;font-size:.92rem;line-height:1.75;overflow-x:auto;max-width:var(--maxw);
}
.formula .fl{display:block;white-space:pre}

.tw{overflow-x:auto;margin:22px 0;border:1px solid var(--rule);border-radius:6px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:13.5px;font-family:"IBM Plex Sans",sans-serif;line-height:1.45}
table.data{font-family:"IBM Plex Mono",monospace;font-size:12.5px}
th,td{padding:8px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule)}
thead th{background:var(--surface-2);font-weight:600;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--rule-strong)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;font-family:"IBM Plex Mono",monospace}
tfoot td{background:var(--surface-2);font-weight:600;border-top:1px solid var(--rule-strong)}
tfoot td.num{font-family:"IBM Plex Mono",monospace}
caption{caption-side:top;text-align:left;padding:10px 12px;font-family:"IBM Plex Sans",sans-serif;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;border-bottom:1px solid var(--rule)}
tr.hidden{display:none}
tr.rowhit td{background:color-mix(in srgb,var(--accent) 14%,transparent)!important}
.wide{max-width:none}

/* flow */
.flow{display:flex;flex-direction:column;gap:14px;margin:28px 0}
.phase{border:1px solid var(--rule);border-radius:7px;background:var(--surface);padding:14px 16px 16px;box-shadow:var(--shadow)}
.phase>h4{margin:0 0 12px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:700;display:flex;align-items:baseline;gap:10px}
.phase>h4 .ph{font-family:"IBM Plex Mono",monospace;color:var(--muted);font-weight:500}
.steps{display:grid;gap:6px;grid-template-columns:1fr}
@media(min-width:640px){.steps{grid-template-columns:1fr 1fr}}
.step{
  display:grid;grid-template-columns:2.2em 1fr;gap:8px;align-items:start;
  font-family:"IBM Plex Sans",sans-serif;font-size:13px;line-height:1.35;
  padding:7px 9px;border-radius:5px;background:var(--surface-2);
  border:1px solid transparent;cursor:pointer;text-align:left;width:100%;
  transition:border-color .12s,background .12s,transform .12s;
}
.step:hover{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}
.step:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.step .sn{font-family:"IBM Plex Mono",monospace;font-size:11px;font-weight:600;color:var(--accent);padding-top:2px}
.step .sd{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}

/* step cards -> accordion */
.sc{border:1px solid var(--rule);border-radius:7px;background:var(--surface);margin:12px 0;overflow:hidden;box-shadow:var(--shadow);scroll-margin-top:calc(var(--bar) + 14px)}
.sc>header{
  padding:12px 16px;background:var(--surface-2);border-bottom:1px solid transparent;
  display:flex;gap:12px;align-items:center;font-family:"IBM Plex Sans",sans-serif;
  cursor:pointer;user-select:none;
}
.sc.open>header{border-bottom-color:var(--rule)}
.sc>header:hover{background:var(--surface-3)}
.sc>header:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.sc>header .sn{font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:600;color:var(--accent);flex:none}
.sc>header h4{margin:0;font-size:1rem;flex:1}
.sc>header .chev{width:15px;height:15px;flex:none;stroke:var(--muted);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s}
.sc.open>header .chev{transform:rotate(180deg)}
.sc .body{padding:6px 16px 14px;display:none}
.sc.open .body{display:block}
.sc.flash{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow)}
.sc dl{margin:0;display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:760px){.sc dl{grid-template-columns:8.5em 1fr;column-gap:18px}}
.sc dt{font-family:"IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:12px}
.sc dd{margin:0;padding:8px 0;font-size:14.5px;border-bottom:1px solid var(--rule)}
@media(min-width:760px){.sc dd{padding-top:10px}}
.sc dl>dd:last-child{border-bottom:none}
.sc dd>ul{margin:0;padding-left:1.2em}
.sc dd>ul>li{margin-bottom:3px}
.expandbar{display:flex;gap:8px;margin:18px 0 4px;flex-wrap:wrap}

.tree{
  font-size:12.5px;line-height:1.7;background:var(--surface);border:1px solid var(--rule);
  border-radius:6px;padding:16px 18px;margin:22px 0;overflow-x:auto;white-space:pre;color:var(--ink-2);
}
.tree b{color:var(--ink);font-weight:600}
.tree .y{color:var(--ok);font-weight:600}
.tree .n{color:var(--stop);font-weight:600}
.tree .q{color:var(--accent-ink);font-weight:600}

.kv{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:6px;overflow:hidden;margin:22px 0;grid-template-columns:1fr}
@media(min-width:620px){.kv{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.kv.three{grid-template-columns:repeat(3,1fr)}}
.kv>div{background:var(--surface);padding:12px 14px;font-family:"IBM Plex Sans",sans-serif}
.kv .k{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;display:block;margin-bottom:4px}
.kv .v{font-size:14px;color:var(--ink)}

/* ═════ css/widgets.css ═════ */
/* Rechner, Entscheidungsbaum, Tabellenfilter und Checkliste. */

/* ══════════ WIDGETS ══════════ */
.wg{
  border:1px solid var(--accent);border-radius:9px;background:var(--surface);
  margin:26px 0;box-shadow:var(--shadow);overflow:hidden;
}
.wg>.wgh{
  background:var(--accent-soft);border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  padding:10px 16px;display:flex;align-items:center;gap:9px;
  font-family:"IBM Plex Sans",sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;color:var(--accent-ink);
}
.wg>.wgh svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wg>.wgb{padding:16px}
.wgnote{font-family:"IBM Plex Sans",sans-serif;font-size:12px;color:var(--muted);margin:0 0 14px;max-width:none}

.fgrid{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:16px}
@media(min-width:560px){.fgrid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.fgrid.c3{grid-template-columns:repeat(3,1fr)}}
.f label{display:block;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.f input[type=number],.f input[type=text],.f select{
  width:100%;height:34px;border:1px solid var(--rule-strong);background:var(--surface-2);
  border-radius:6px;padding:0 9px;color:var(--ink);
  font-family:"IBM Plex Mono",monospace;font-size:13.5px;
}
.f select{font-family:"IBM Plex Sans",sans-serif;cursor:pointer}
.f input:focus,.f select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:var(--surface)}
.f .hint{font-size:11px;color:var(--muted);margin-top:3px;font-family:"IBM Plex Sans",sans-serif}
.f input[type=range]{width:100%;accent-color:var(--accent);margin:8px 0 0}

.seg{display:inline-flex;border:1px solid var(--rule-strong);border-radius:7px;overflow:hidden;margin-bottom:14px;flex-wrap:wrap}
.seg button{
  border:none;background:var(--surface-2);padding:7px 13px;cursor:pointer;
  font-size:12.5px;font-weight:500;color:var(--ink-2);border-right:1px solid var(--rule-strong);
}
.seg button:last-child{border-right:none}
.seg button:hover{background:var(--surface-3)}
.seg button[aria-pressed=true]{background:var(--accent);color:#fff;font-weight:600}
:root[data-theme="dark"] .seg button[aria-pressed=true]{color:#0f1417}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .seg button[aria-pressed=true]{color:#0f1417}}
.seg button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

.btn{
  border:1px solid var(--rule-strong);background:var(--surface-2);border-radius:7px;
  padding:7px 13px;cursor:pointer;font-size:12.5px;font-weight:500;color:var(--ink-2);
}
.btn:hover{background:var(--surface-3);color:var(--ink)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
:root[data-theme="dark"] .btn.primary{color:#0f1417}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{color:#0f1417}}

.out{
  background:var(--surface-2);border:1px solid var(--rule);border-radius:7px;
  padding:14px 16px;font-family:"IBM Plex Mono",monospace;font-size:12.8px;line-height:1.8;
  overflow-x:auto;white-space:pre;
}
.out .r{color:var(--accent-ink);font-weight:600}
.out .g{color:var(--muted)}
.out .bad{color:var(--stop);font-weight:600}
.bigout{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:7px;overflow:hidden;grid-template-columns:1fr;margin-bottom:14px}
@media(min-width:560px){.bigout{grid-template-columns:repeat(3,1fr)}}
.bigout>div{background:var(--surface-2);padding:12px 14px;text-align:center}
.bigout .bl{font-family:"IBM Plex Sans",sans-serif;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;display:block;margin-bottom:5px}
.bigout .bv{font-family:"IBM Plex Mono",monospace;font-size:1.35rem;font-weight:600;color:var(--accent-ink);display:block;line-height:1.15;font-variant-numeric:tabular-nums}
.bigout .bx{font-family:"IBM Plex Sans",sans-serif;font-size:11px;color:var(--muted);display:block;margin-top:3px}

/* stufen mini table */
.stufen{width:100%;font-family:"IBM Plex Mono",monospace;font-size:12px;border-collapse:collapse}
.stufen td{padding:4px 10px;border-bottom:1px solid var(--rule);color:var(--muted)}
.stufen tr.act td{background:var(--accent);color:#fff;font-weight:700}
:root[data-theme="dark"] .stufen tr.act td{color:#0f1417}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .stufen tr.act td{color:#0f1417}}
.stufen td:last-child,.stufen td:nth-child(3){text-align:right}

/* decision tree widget */
.dt .q{font-family:"IBM Plex Sans",sans-serif;font-size:15px;font-weight:600;margin-bottom:12px;color:var(--ink)}
.dt .opts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.dt .path{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.dt .path span{
  font-family:"IBM Plex Sans",sans-serif;font-size:11px;background:var(--surface-2);
  border:1px solid var(--rule);border-radius:20px;padding:2px 10px;color:var(--muted);
}
.dt .res{border-radius:7px;padding:14px 16px;font-family:"IBM Plex Sans",sans-serif;font-size:14px;line-height:1.55}
.dt .res.ok{background:var(--ok-soft);border:1px solid color-mix(in srgb,var(--ok) 35%,transparent)}
.dt .res.warn{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 35%,transparent)}
.dt .res.stop{background:var(--stop-soft);border:1px solid color-mix(in srgb,var(--stop) 35%,transparent)}
.dt .res b{display:block;margin-bottom:5px;font-size:15px}

/* checklist */
.ckl{display:flex;flex-direction:column;gap:2px}
.ckl label{
  display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:6px;cursor:pointer;
  font-family:"IBM Plex Sans",sans-serif;font-size:13.5px;line-height:1.4;color:var(--ink-2);
}
.ckl label:hover{background:var(--surface-2)}
.ckl input{margin:3px 0 0;accent-color:var(--accent);width:15px;height:15px;flex:none}
.ckl input:checked+span{color:var(--muted);text-decoration:line-through}
.ckl label span b{color:var(--ink);font-weight:600}
.ckl input:checked+span b{color:var(--muted)}
.ckbar{display:flex;align-items:center;gap:12px;margin-top:12px;font-family:"IBM Plex Sans",sans-serif;font-size:12px;color:var(--muted)}
.ckbar .track{flex:1;height:6px;border-radius:3px;background:var(--surface-3);overflow:hidden}
.ckbar .fill{height:100%;background:var(--accent);width:0;transition:width .2s}
/* HEYRA Akademie visual polish: existing palette, stronger learning hierarchy. */
.masthead{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);
  align-items:center;
  gap:34px;
  padding:34px 0 34px;
}
.masthead-copy{min-width:0}
.academy-panel{
  border:1px solid var(--rule);
  border-radius:8px;
  background:linear-gradient(180deg,var(--surface),color-mix(in srgb,var(--accent-soft) 48%,var(--surface)));
  box-shadow:var(--shadow-lg);
  padding:15px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:7px;
  font-family:"IBM Plex Sans",sans-serif;
}
.academy-panel .ap-stat{
  border:1px solid var(--rule);
  border-radius:7px;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  padding:12px 10px;
}
.academy-panel .ap-num{
  display:block;
  font-family:"IBM Plex Mono",monospace;
  font-size:1.45rem;
  line-height:1;
  color:var(--accent-ink);
  font-weight:600;
}
.academy-panel .ap-label{
  display:block;
  margin-top:4px;
  font-size:10px;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:700;
}
.academy-panel p{
  grid-column:1/-1;
  margin:6px 0 0;
  padding-top:12px;
  border-top:1px solid var(--rule);
  color:var(--muted);
  font-size:13px;
  line-height:1.45;
  max-width:none;
}
@media(max-width:820px){
  .masthead{grid-template-columns:1fr;gap:20px;padding-top:24px}
  .academy-panel{max-width:520px}
}
@media(max-width:440px){.academy-panel{grid-template-columns:1fr}}

.topbar .brand .mark{box-shadow:var(--shadow);letter-spacing:.02em}

.cards{align-items:stretch}
a.card{
  position:relative;
  overflow:hidden;
}
a.card:before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:3px;
  background:var(--accent);
  opacity:.86;
}
a.card .cn,a.card .ct,a.card .cd{position:relative}

.kennzahlen,.meta-strip{position:relative}
.sc{transition:border-color .12s,box-shadow .12s,transform .12s}
.sc:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--rule));transform:translateY(-1px)}

.tw{box-shadow:var(--shadow)}
table{border-spacing:0}
thead th{position:sticky;top:0;z-index:1}
tbody tr{transition:background-color .12s}
tbody tr:hover{background:color-mix(in srgb,var(--accent-soft) 48%,transparent)}
.btn,.iconbtn{transition:background .12s,border-color .12s,color .12s,transform .12s}
.btn:hover,.iconbtn:hover{transform:translateY(-1px)}
/* professional-shell-polish: calmer academy shell without changing the palette. */
body{
  background:
    linear-gradient(180deg,color-mix(in srgb,var(--accent-soft) 42%,var(--ground)) 0,var(--ground) 260px),
    var(--ground);
}
.topbar{
  height:64px;
  padding:0 18px;
  background:color-mix(in srgb,var(--surface) 94%,transparent);
  box-shadow:0 1px 0 var(--rule),0 14px 34px -30px rgba(22,27,32,.42);
}
:root{--bar:64px}
.brand{gap:12px;text-decoration:none;color:inherit;max-width:min(46vw,420px)}
.brand .mark{
  width:34px;height:34px;border-radius:8px;
  font-size:14px;letter-spacing:.03em;
  box-shadow:0 8px 22px -16px var(--accent);
}
.brand .brandtext{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand .txt{font-size:14.5px;line-height:1.15}
.brand .sub{font-size:10px;line-height:1.2;text-transform:uppercase;letter-spacing:.08em}
.searchwrap{max-width:460px}
.searchwrap input{height:38px;border-radius:8px;background:color-mix(in srgb,var(--surface) 92%,var(--ground))}
.searchwrap .si{top:10px}
.searchwrap kbd{top:10px}
.iconbtn{width:38px;height:38px;border-radius:8px;background:color-mix(in srgb,var(--surface) 92%,var(--ground))}

@media(max-width:720px){
  .topbar{gap:8px;padding:0 10px}
  .brand{max-width:44vw}
  .brand .sub{display:none}
  .searchwrap{max-width:none;min-width:120px}
}

@media(min-width:1000px){
  .sidebar{
    background:color-mix(in srgb,var(--surface) 78%,transparent);
    backdrop-filter:saturate(140%) blur(10px);
    padding:14px 10px 70px;
  }
}
.navsep{
  margin-top:8px;
  padding:14px 10px 7px;
  color:var(--accent);
}
.navrow{border:1px solid transparent;border-radius:8px}
.navrow:hover{border-color:var(--rule);background:color-mix(in srgb,var(--surface) 72%,var(--surface-2))}
.navgrp.active>.navrow{
  border-color:color-mix(in srgb,var(--accent) 34%,var(--rule));
  box-shadow:inset 3px 0 0 var(--accent);
}
.navlink{padding:8px 9px}
.subnav{margin-left:34px;padding-left:12px}
.subnav a.cur{box-shadow:inset 2px 0 0 var(--accent)}

main{padding-top:6px}
.crumb{padding-top:22px}
h2.part{
  padding-bottom:18px;
  border-bottom:1px solid var(--rule-strong);
}
h2.part .pnum{letter-spacing:.18em}
h3{
  position:relative;
  padding-top:2px;
}
.page>h3:not(:first-of-type){
  border-top:1px solid var(--rule);
  padding-top:28px;
}

.masthead{
  border-bottom:1px solid var(--rule);
  margin-bottom:8px;
}
.masthead h1{max-width:22ch}
.masthead .standfirst{font-size:1.15rem}
.meta-strip span{
  display:inline-flex;align-items:center;gap:4px;
  min-height:26px;padding:3px 9px;border:1px solid var(--rule);
  border-radius:999px;background:color-mix(in srgb,var(--surface) 72%,transparent);
}
.academy-panel{
  border-color:color-mix(in srgb,var(--accent) 28%,var(--rule));
}
.academy-panel:before{
  content:"HEYRA Akademie";
  grid-column:1/-1;
  color:var(--accent-ink);
  font-family:"IBM Plex Sans",sans-serif;
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding-bottom:4px;
}

.cards{gap:14px}
a.card{
  min-height:138px;
  border-radius:8px;
  box-shadow:var(--shadow),0 18px 42px -38px rgba(22,27,32,.5);
}
a.card:hover{
  box-shadow:var(--shadow-lg);
}
a.card .cn{margin-left:2px}
a.card .ct{font-size:16px;line-height:1.32}
a.card .cd{line-height:1.5}

.pager a{border-radius:8px;background:color-mix(in srgb,var(--surface) 92%,var(--ground));box-shadow:var(--shadow)}
footer.end{border-top-width:1px;background:color-mix(in srgb,var(--surface) 58%,transparent);padding:24px 0 0}

.sc>header{min-height:54px}
.sc>header .sn{
  display:inline-grid;place-items:center;
  min-width:32px;height:28px;border-radius:6px;
  background:var(--accent-soft);
}
.formula,.tree,.out{box-shadow:var(--shadow)}
.note{box-shadow:var(--shadow)}
.tw{border-radius:8px}
table{font-size:13.7px}
thead th{box-shadow:0 1px 0 var(--rule)}
td,th{padding:10px 13px}
/* admin-ready-lesson-template: reusable blocks for future admin-generated lessons. */
.page--lesson .lead{
  font-size:1.14rem;
}
.lesson-brief{
  max-width:980px;
  margin:26px 0 34px;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);
  gap:1px;
  border:1px solid color-mix(in srgb,var(--accent) 28%,var(--rule));
  border-radius:9px;
  overflow:hidden;
  background:var(--rule);
  box-shadow:var(--shadow-lg);
}
.lesson-brief__main,
.goal-list{
  background:var(--surface);
  padding:18px 20px;
}
.lesson-brief__main{
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent-soft) 52%,var(--surface)),var(--surface));
}
.block-kicker{
  display:block;
  margin-bottom:8px;
  font-family:"IBM Plex Mono",monospace;
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
}
.lesson-brief h3,
.lesson-summary h3{
  margin:0;
  padding:0;
  border:0;
  font-size:1.05rem;
  line-height:1.35;
  max-width:54ch;
}
.lesson-brief p{
  margin:10px 0 0;
  color:var(--muted);
  font-family:"IBM Plex Sans",sans-serif;
  font-size:13.5px;
  line-height:1.5;
}
.goal-list{
  margin:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
  font-family:"IBM Plex Sans",sans-serif;
  color:var(--ink-2);
}
.goal-list li{
  position:relative;
  margin:0;
  padding-left:24px;
  line-height:1.45;
}
.goal-list li:before{
  content:"";
  position:absolute;
  left:0;top:.48em;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft);
}
.page--lesson>h3{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:48px;
}
.page--lesson>h3:before{
  content:"";
  width:28px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  flex:none;
}
.page--lesson>h4{
  max-width:980px;
  margin:26px 0 10px;
  padding:11px 13px;
  border:1px solid var(--rule);
  border-radius:8px 8px 0 0;
  background:color-mix(in srgb,var(--surface) 78%,var(--surface-2));
  color:var(--ink);
}
.page--lesson>h4+.tw{
  margin-top:-11px;
  border-top-left-radius:0;
  border-top-right-radius:0;
}
.lesson-summary{
  max-width:980px;
  margin:38px 0 8px;
  border:1px solid var(--rule);
  border-left:3px solid var(--accent);
  border-radius:8px;
  background:var(--surface);
  padding:18px 20px;
  box-shadow:var(--shadow);
}
.summary-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-top:16px;
}
.summary-grid div{
  border:1px solid var(--rule);
  border-radius:7px;
  background:var(--surface-2);
  padding:13px;
  font-family:"IBM Plex Sans",sans-serif;
}
.summary-grid b{
  display:block;
  font-family:"IBM Plex Mono",monospace;
  color:var(--accent);
  margin-bottom:5px;
}
.summary-grid span{
  display:block;
  color:var(--ink-2);
  font-size:13.5px;
  line-height:1.45;
}
@media(max-width:820px){
  .lesson-brief{grid-template-columns:1fr}
  .summary-grid{grid-template-columns:1fr}
}

/* Admin-created layout blocks */
.admin-block-layout{display:grid;grid-template-columns:repeat(var(--layout-cols,1),minmax(0,1fr));gap:18px;margin:30px 0}.admin-block-layout--cols-1{--layout-cols:1}.admin-block-layout--cols-2{--layout-cols:2}.admin-block-layout--cols-3{--layout-cols:3}.admin-block-layout--cols-4{--layout-cols:4}.admin-block-layout__column{min-width:0}.admin-block-layout__column > .admin-block:first-child{margin-top:0}.admin-block-layout .wrap,.admin-block-layout .tw,.admin-block-layout .note{margin:0}@media(max-width:900px){.admin-block-layout{grid-template-columns:1fr 1fr}}@media(max-width:640px){.admin-block-layout{grid-template-columns:1fr}}