/* Stil der Docs. Farben und Schrift folgen der App (apps/web/src/styles/tokens.css): IBM Plex Sans,
   ruhige graue Flächen, Rot nur für die Hauptaktion, die aktuelle Seite, Schrittnummern und die
   Empfehlung. Verweise stehen in Textfarbe mit Unterstrich. */
@font-face{font-family:"IBM Plex Sans Variable";font-style:normal;font-display:swap;font-weight:100 700;src:url(/static/schrift/ibm-plex-sans-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans Variable";font-style:normal;font-display:swap;font-weight:100 700;src:url(/static/schrift/ibm-plex-sans-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --red:#be1f24;--red-hover:#a51a1f;--red-soft:#fbeaea;--red-ink:#9c1a1f;
  --bg:#f7f8f9;--surface:#eef0f2;--surface-2:#e4e7ea;--card:#fff;
  --ink:#16181b;--ink-2:#4a525c;--ink-3:#6b737d;
  --line:#e2e5e9;--line-strong:#c8cdd3;
  --best:#e4f3e9;--best-ink:#1a6337;
  --warn:#fdf0d9;--warn-ink:#7f4c00;
  --steel:linear-gradient(135deg,#f4f5f7 0%,#e3e6ea 45%,#f1f2f4 60%,#dfe2e6 100%);
  --shadow-shot:0 18px 40px -24px rgba(16,24,40,.35);--linien:rgba(255,255,255,.18);
  --font:"IBM Plex Sans Variable","IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --red:#d9363c;--red-hover:#e5484e;--red-soft:#3a1f21;--red-ink:#f3a3a5;
    --bg:#111317;--surface:#1b1e23;--surface-2:#262a31;--card:#191c21;
    --ink:#e8eaed;--ink-2:#b0b7c0;--ink-3:#8d959f;
    --line:#2d3138;--line-strong:#434952;
    --best:#15301f;--best-ink:#8fd4a8;--warn:#352708;--warn-ink:#f2c46b;
    --steel:linear-gradient(135deg,#1d2026 0%,#262a31 45%,#1c1f24 60%,#23272d 100%);
    --shadow-shot:0 18px 40px -24px rgba(0,0,0,.8);--linien:rgba(255,255,255,.025);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --red:#d9363c;--red-hover:#e5484e;--red-soft:#3a1f21;--red-ink:#f3a3a5;
  --bg:#111317;--surface:#1b1e23;--surface-2:#262a31;--card:#191c21;
  --ink:#e8eaed;--ink-2:#b0b7c0;--ink-3:#8d959f;
  --line:#2d3138;--line-strong:#434952;
  --best:#15301f;--best-ink:#8fd4a8;--warn:#352708;--warn-ink:#f2c46b;
  --steel:linear-gradient(135deg,#1d2026 0%,#262a31 45%,#1c1f24 60%,#23272d 100%);
  --shadow-shot:0 18px 40px -24px rgba(0,0,0,.8);--linien:rgba(255,255,255,.025);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
html,body{margin:0;background:var(--bg);color:var(--ink);overflow-x:clip}
body{font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-synthesis:none}
a{color:inherit;text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--red);text-decoration-color:currentColor}
:focus-visible{outline:2px solid #2f6fd0;outline-offset:2px;border-radius:4px}
h1,h2,h3{letter-spacing:-.015em;text-wrap:balance;overflow-wrap:anywhere;min-width:0}
code{font-family:var(--mono);font-size:.88em;background:var(--surface);padding:1px 5px;border-radius:4px}
.wrap{max-width:1240px;margin:0 auto;padding-inline:24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:10;background:var(--card);padding:8px 12px;border-radius:6px}
.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Kopf: Logo auf weißer Fläche wie in der App, daneben der Name der Anwendung. */
.top{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px)}
.top-inner{display:flex;align-items:center;gap:8px 20px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand:hover{color:var(--ink)}
.logo{display:block;height:30px;width:auto;background:#fff;border-radius:4px;padding:3px 5px}
.brand-name{font-weight:600;font-size:16px;padding-left:12px;border-left:1px solid var(--line)}
.brand-sub{font-weight:500;font-size:16px;color:var(--ink-3)}
.top-links{margin-left:auto;display:flex;align-items:center;gap:6px 14px}
.textlink{display:inline-flex;align-items:center;gap:4px;min-height:44px;color:var(--ink-2);font-size:15px;font-weight:500;text-decoration:none}
.textlink .icon{width:15px;height:15px}
.textlink:hover{color:var(--ink)}
.iconbutton{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink-2);cursor:pointer}
.iconbutton:hover{color:var(--ink);border-color:var(--line-strong)}
.only-dark{display:none}
:root[data-theme="dark"] .only-dark{display:block}
:root[data-theme="dark"] .only-light{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .only-dark{display:block}
  :root:not([data-theme="light"]) .only-light{display:none}
}
.appbutton{display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:6px;background:var(--red);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;text-decoration:none}
.appbutton:hover{background:var(--red-hover);color:#fff}

/* Fuß */
.foot{border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--ink-3)}
.foot-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 40px}
.foot p{margin:0;max-width:760px;line-height:1.55}
.foot-links a{color:var(--ink-2)}

/* Übersicht */
.intro{padding-top:64px;padding-bottom:36px}
.eyebrow{margin:0 0 14px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.intro h1{margin:0;max-width:900px;font-size:clamp(34px,4.6vw,54px);line-height:1.06;letter-spacing:-.03em;font-weight:600}
.lead{font-size:20px;line-height:1.55;margin:22px 0 0;max-width:740px;color:var(--ink-2)}
.search{display:block;width:100%;max-width:560px;height:52px;margin-top:30px;padding:0 20px;border-radius:8px;border:1px solid var(--line-strong);background:var(--card);font:400 17px var(--font);color:var(--ink)}
.search::placeholder{color:var(--ink-3)}
.empty{font-size:17px;color:var(--ink-2);margin-top:20px}

/* Titelbild: drei Ansichten der App, gestaffelt auf einer Fläche wie gebürstetes Blech. */
.collage{position:relative;aspect-ratio:16/7.6;margin:0 0 64px;border-radius:12px;overflow:hidden;background:var(--steel);border:1px solid var(--line)}
.collage::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 3px,var(--linien) 3px 4px);opacity:.5;pointer-events:none}
.collage::after{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--red)}
.collage img{position:absolute;height:auto;border-radius:8px;border:1px solid var(--line);background:#fff;
  box-shadow:0 30px 60px -30px rgba(16,24,40,.5),0 8px 20px -12px rgba(16,24,40,.25)}
.collage .c1{left:5%;top:9%;width:60%;z-index:1}
.collage .c2{left:30%;top:24%;width:52%;z-index:2}
.collage .c3{right:4%;top:40%;width:38%;z-index:3}

/* Der Weg einer Anfrage: Stationen nebeneinander, auf dem Telefon untereinander. */
.ablauf-wrap{margin-bottom:72px}
.ablauf-wrap h2{margin:0 0 20px;font-size:22px;font-weight:600}
.ablauf{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;counter-reset:station}
.ablauf li{counter-increment:station;position:relative;display:flex;flex-direction:column;gap:6px;padding:16px 16px 18px;border-radius:8px;background:var(--card);border:1px solid var(--line)}
.ablauf li::before{content:counter(station,decimal-leading-zero);font-size:13px;font-weight:600;color:var(--ink-3);font-variant-numeric:tabular-nums}
.ablauf li.wo-lief{background:var(--surface)}
.ablauf strong{font-size:16px;font-weight:600;line-height:1.25}
.ablauf span{font-size:14px;line-height:1.45;color:var(--ink-2)}
.ablauf .ort{margin-top:auto;padding-top:8px;font-size:12px;font-weight:600;color:var(--ink-3)}
.ablauf li.ziel{border-color:color-mix(in srgb,var(--red) 45%,var(--line))}
.ablauf li.ziel::after{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;border-radius:8px 8px 0 0;background:var(--red)}
.ablauf a{text-decoration:none}

.group{border-top:1px solid var(--line);padding:36px 0 18px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:8px 64px}
.group h2{margin:0;font-size:22px;font-weight:600}
.group .who{margin:6px 0 0;font-size:14px;color:var(--ink-3);line-height:1.45}
.group ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:4px 40px}
.group li a{display:block;padding:10px 0 14px;color:var(--ink);text-decoration:none}
.group li a:hover strong{color:var(--red);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.group strong{display:block;font-size:17px;font-weight:600}
.group span{display:block;margin-top:2px;font-size:15px;line-height:1.5;color:var(--ink-2)}
.overview-list{padding-bottom:80px}

/* Illustrationen: heller Grund wie die Seite, in Dunkel auf einer hellen Karte mit Abstand. */
.group-art{margin:18px 0 0}
.group-art img,.illustration img{display:block;width:100%;height:auto;border-radius:10px;background:#f5f6f7}
.illustration{margin:28px 0 8px}
.illustration img{aspect-ratio:16/8;object-fit:cover;object-position:50% 30%}

/* Artikel: links alle Artikel, rechts der Artikel. Auf dem Telefon steht die Liste darunter. */
.help{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px 64px;align-items:start;padding-top:40px;padding-bottom:96px}
.side{position:sticky;top:88px;max-height:calc(100vh - 112px);overflow-y:auto;font-size:14px;padding-right:4px}
.side h2{margin:22px 0 6px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.side h2:first-child{margin-top:0}
.side ul{list-style:none;margin:0;padding:0}
.side a{position:relative;display:flex;align-items:center;min-height:32px;padding:4px 10px;margin:0 -10px;border-radius:6px;color:var(--ink-2);line-height:1.3;text-decoration:none}
.side a:hover{background:var(--surface);color:var(--ink)}
.side a[aria-current]{background:var(--red-soft);color:var(--ink);font-weight:600}
.side a[aria-current]::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;background:var(--red)}
.article{max-width:820px;min-width:0}
.crumb{margin:0 0 18px;font-size:14px;color:var(--ink-3)}
.crumb a{color:var(--ink-2)}
.article h1{margin:0;font-size:clamp(30px,4vw,42px);line-height:1.1;letter-spacing:-.025em;font-weight:600}
.article .lead{margin-top:18px}
.app-tag{display:inline-flex;align-items:center;gap:8px;margin:18px 0 0;font-size:13px;font-weight:500;color:var(--ink-2)}
.app-tag::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--ink)}
.app-tag.app-einkauf::before{background:var(--red)}
.app-tag.app-lieferanten::before{background:#1b3a5c}
:root[data-theme="dark"] .app-tag.app-lieferanten::before{background:#6e9ccc}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .app-tag.app-lieferanten::before{background:#6e9ccc}}
.article h2{font-size:23px;margin:56px 0 14px;font-weight:600}
.article h3{font-size:19px;margin:32px 0 8px;font-weight:600}
.prose p,.prose li{font-size:17px;line-height:1.65}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}
.prose li{margin-bottom:6px}
.article b,.article strong{font-weight:600}

/* Schritte */
.steps{list-style:none;margin:40px 0 0;padding:0;counter-reset:step}
.steps>li{counter-increment:step;padding:30px 0;border-top:1px solid var(--line)}
.step-text{display:grid;grid-template-columns:36px minmax(0,1fr);gap:0 14px;align-items:start}
.step-text::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:var(--red-soft);color:var(--red-ink);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
:root:not([data-theme="dark"]) .step-text::before{color:var(--red)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .step-text::before{color:var(--red-ink)}}
.unnumbered .step-text{grid-template-columns:minmax(0,1fr)}
.unnumbered .step-text::before{content:none}
.step-text h3{margin:4px 0 6px;font-size:19px}
.step-text p{margin:4px 0 0;font-size:17px;line-height:1.65}
.steps .shot{margin:22px 0 0 50px}
.unnumbered .shot{margin-left:0}

/* Bildschirmfotos wie ein Fenster der App. `schmal` für Ausschnitte wie einen Dialog. */
.shot{margin:28px 0}
.shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow-shot)}
.shot.schmal img{width:auto;max-width:100%}
.shot figcaption{margin-top:10px;font-size:14px;line-height:1.45;color:var(--ink-3)}
.shot .placeholder{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;border:1px dashed var(--line-strong);border-radius:8px;color:var(--ink-3);font:500 14px var(--mono);background:var(--surface)}

/* Gut zu wissen, Hinweise */
.notes{margin:0;padding:0;list-style:none}
.notes li{position:relative;padding:0 0 0 22px;margin:0 0 12px;font-size:17px;line-height:1.6;color:var(--ink-2)}
.notes li::before{content:"";position:absolute;left:4px;top:.7em;width:6px;height:6px;border-radius:1px;background:var(--ink-3)}
.callout{margin:24px 0;padding:16px 18px;border-radius:8px;background:var(--surface);border-left:3px solid var(--line-strong);font-size:16px;line-height:1.6;color:var(--ink-2)}
.callout b{color:var(--ink)}

/* Begriffe und Tabellen */
.terms{margin:24px 0 0;border-top:1px solid var(--line)}
.terms dt{padding-top:18px;font-size:17px;font-weight:600}
.terms dd{margin:4px 0 0;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.6;color:var(--ink-2)}
.table-wrap{position:relative;overflow-x:auto;margin:20px 0 24px}
table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;font-variant-numeric:tabular-nums}
th{text-align:left;font-size:13px;font-weight:600;color:var(--ink-3);padding:8px 14px 8px 0;border-bottom:1px solid var(--line-strong)}
td{padding:10px 14px 10px 0;border-bottom:1px solid var(--line);vertical-align:top}
td.zahl,th.zahl{text-align:right}

.pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:64px;padding-top:24px;border-top:1px solid var(--line);font-size:16px}
.pager a{display:flex;flex-direction:column;gap:2px;max-width:46%;min-height:44px;text-decoration:none;font-weight:500}
.pager small{font-size:13px;color:var(--ink-3);font-weight:400}
.pager .next{margin-left:auto;text-align:right}
[hidden]{display:none!important}

/* Erklärgrafiken als HTML, damit sie auf dem Telefon untereinander stehen statt zu schrumpfen. */
.diagram{margin:28px 0 32px}
.diagram figcaption{margin-top:12px;font-size:14px;line-height:1.5;color:var(--ink-3)}
.kind{display:block;font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.02em}
.vergleich{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.vergleich .karte{padding:16px 18px;border-radius:8px;background:var(--card);border:1px solid var(--line)}
.vergleich .karte.gut{background:var(--best);border-color:transparent}
.vergleich .row{display:flex;justify-content:space-between;gap:12px;margin-top:6px;font-size:15px;font-variant-numeric:tabular-nums}
.vergleich .row b{font-weight:600}
.vergleich .fazit{margin:10px 0 0;font-size:14px;line-height:1.45;color:var(--ink-2)}
.vergleich .gut .fazit{color:var(--best-ink)}
.aufteilung{display:grid;gap:8px}
.aufteilung .zeile{display:grid;grid-template-columns:150px minmax(0,1fr) 110px;align-items:center;gap:14px;font-size:15px}
.aufteilung .balken{height:26px;border-radius:4px;background:var(--surface);overflow:hidden;display:flex}
.aufteilung .balken i{display:block;height:100%}
.aufteilung .wert{text-align:right;font-variant-numeric:tabular-nums}
.aufteilung .zeile.empf{font-weight:600}
.lf1{background:#2f5d8a}.lf2{background:#3f8f7a}.lf3{background:#c08a2e}.lf4{background:#7a5aa6}
.legende{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:13px;color:var(--ink-2)}
.legende span{display:inline-flex;align-items:center;gap:6px}
.legende i{width:10px;height:10px;border-radius:2px}

@media (max-width:1000px){
  .ablauf{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  .help{grid-template-columns:minmax(0,1fr);padding-top:24px}
  .side{position:static;max-height:none;order:2;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:15px}
  .side a{min-height:40px}
  .group{grid-template-columns:minmax(0,1fr)}
  .group-art{display:none}
  .steps .shot{margin-left:0}
  .textlink{display:none}
}
@media (max-width:700px){
  .collage{aspect-ratio:4/3}
  .collage .c1{left:6%;top:8%;width:86%}
  .collage .c2{display:none}
  .collage .c3{right:5%;top:44%;width:66%}
  .vergleich{grid-template-columns:minmax(0,1fr)}
  .aufteilung .zeile{grid-template-columns:minmax(0,1fr) 96px}
  .aufteilung .balken{grid-column:1/-1;grid-row:2}
}
@media (max-width:560px){
  .wrap{padding-inline:16px}
  .brand-name,.brand-sub{display:none}
  .intro{padding-top:40px}
  .lead{font-size:18px}
  .ablauf{grid-template-columns:minmax(0,1fr)}
  .pager a{max-width:100%}
}
/* Felder unter 16 px vergrößert iOS Safari beim Tippen. */
@media (pointer:coarse){.search{font-size:16px}}
@media print{.top,.side,.pager{display:none}.help{display:block}}