/* Sport-X Portal: Shell, Komponenten, Druck. Farben und Abstände kommen aus tokens.css. */

/* Local Font (DSGVO-konform, kein CDN) */
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/inter-400.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/inter-600.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/inter-700.woff2") format("woff2")}

/* Kontrastgesicherte Tasten- und Zahlenfarbe (Weiß auf #229fa5 erreicht nur 3,2:1) */
:root{--btn-bg:#0f766e;--btn-fg:#fff;--btn-hover:#115e59}
:root.dark{--btn-bg:#2dd4bf;--btn-fg:#042f2e;--btn-hover:#5eead4}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top-h) + 16px)}
body{margin:0;font:15px/1.6 var(--font-sans);background:var(--bg);color:var(--text)}
[hidden]{display:none!important}
img,svg{max-width:100%}
a{color:var(--brand-700);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3{line-height:1.25;margin:0}
p{margin:0 0 .75em}
ul,ol{margin:0 0 .75em;padding-left:1.25em}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
.vh{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:8px;top:-60px;z-index:100;padding:8px 14px;border-radius:6px;background:var(--btn-bg);color:var(--btn-fg);font-weight:600;text-decoration:none}
.skip:focus{top:8px}

/* Icons */
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic-sm{width:14px;height:14px;margin:0 4px;vertical-align:-2px}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;height:var(--top-h);display:flex;align-items:center;gap:8px;padding:0 12px;background:var(--card);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-weight:700;min-height:40px;padding:0 6px;border-radius:6px}
.brand:hover{background:var(--raised)}
.logo{width:24px;height:24px;color:var(--text)}
.brand-sub{font-weight:400;color:var(--muted);font-size:13px}
.tb-actions{margin-left:auto;display:flex;align-items:center;gap:4px}
.tb-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:40px;min-height:40px;padding:0 10px;border:1px solid transparent;border-radius:6px;background:none;color:var(--text);font:inherit;font-size:13px;font-weight:600;text-decoration:none;cursor:pointer}
.tb-btn:hover{background:var(--raised)}
.tb-icon{padding:0}
#themeToggle .i-sun{display:none}
.dark #themeToggle .i-sun{display:block}
.dark #themeToggle .i-moon{display:none}
@media (max-width:520px){.tb-lbl,.brand-sub{display:none}}

/* Shell */
.shell{display:grid;grid-template-columns:var(--sb-w) minmax(0,1fr);min-height:calc(100vh - var(--top-h))}
html[data-sb=closed]{--sb-w:56px}
.sidebar{grid-column:1;position:sticky;top:var(--top-h);align-self:start;height:calc(100vh - var(--top-h));height:calc(100dvh - var(--top-h));display:flex;flex-direction:column;gap:8px;padding:8px;overflow-x:hidden;overflow-y:auto;background:var(--card);border-right:1px solid var(--border)}
.sb-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.sb-link{display:flex;align-items:center;gap:12px;padding:8px 14px;border-radius:6px;color:var(--text);text-decoration:none;font-weight:600;font-size:14px;white-space:nowrap}
.sb-link:hover{background:var(--raised)}
.sb-link[aria-current]{background:var(--brand-50);color:var(--brand-700)}
.sb-foot{margin-top:auto;display:grid;gap:2px;padding-top:8px;border-top:1px solid var(--border)}
.sb-foot a{padding:6px 14px;border-radius:6px;color:var(--muted);font-size:13px;text-decoration:none}
.sb-foot a:hover{background:var(--raised);color:var(--text)}
html[data-sb=closed] .lbl,html[data-sb=closed] .grp,html[data-sb=closed] .sb-foot{display:none}
html[data-sb=closed] .sb-link{justify-content:center;padding:8px 10px}
.content{grid-column:2;min-width:0;display:flex;flex-direction:column}
main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:24px 16px 40px}
main:focus{outline:none}
#backdrop{display:none;position:fixed;inset:var(--top-h) 0 0 0;z-index:35;background:rgba(0,0,0,.4)}

/* Mobil: Sidebar ist immer eine 56px-Leiste, geöffnet ein Overlay mit Backdrop */
@media (max-width:767.98px){
 .shell{grid-template-columns:56px minmax(0,1fr)}
 .sidebar .lbl,.sidebar .grp,.sidebar .sb-foot{display:none}
 .sidebar .sb-link{justify-content:center;padding:8px 10px}
 html.js[data-sb=open] .sidebar{position:fixed;left:0;top:var(--top-h);width:240px;z-index:40;box-shadow:4px 0 16px rgba(0,0,0,.2)}
 html.js[data-sb=open] .sidebar .lbl{display:inline}
 html.js[data-sb=open] .sidebar .sb-foot{display:grid}
 html.js[data-sb=open] .sidebar .sb-link{justify-content:flex-start;padding:8px 14px}
 html.js[data-sb=open] #backdrop{display:block}
}
@media (min-width:768px){main{padding:32px 24px 48px}}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--card);padding:20px 16px;font-size:13px;color:var(--muted)}
.site-footer p{margin:0 0 6px}
.foot-links{list-style:none;margin:8px 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 18px}
.foot-links a{color:var(--text)}
@media (min-width:768px){.site-footer{padding:20px 24px}}

/* Seitenkopf, Hero */
.page-head,.hero{margin-bottom:24px}
.page-head h1{font-size:clamp(24px,3.4vw,32px)}
.hero h1{font-size:clamp(28px,4.4vw,42px);line-height:1.15}
.page-head h1,.hero h1{margin-bottom:12px}
.lead{font-size:17px;max-width:70ch;margin-bottom:16px}
.stats{list-style:none;margin:20px 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.stat{display:flex;flex-direction:column;gap:2px;padding:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.stat-value{font-size:28px;font-weight:700;line-height:1.2;color:var(--brand-700)}
.stat-label{font-size:13px;color:var(--muted)}
@media (max-width:600px){.stats{grid-template-columns:1fr}}
.ctas{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 16px;border-radius:8px;border:1px solid var(--border);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;background:var(--card);color:var(--text)}
.btn:hover{background:var(--raised)}
.btn-primary{background:var(--btn-bg);border-color:var(--btn-bg);color:var(--btn-fg)}
.btn-primary:hover{background:var(--btn-hover);border-color:var(--btn-hover)}

/* Sections, Text */
.sec{margin:36px 0}
.sec>h2{font-size:22px;margin-bottom:14px}
.prose{max-width:72ch}
.prose>:last-child{margin-bottom:0}
.prose li{margin-bottom:.35em}

/* Karten, Raster */
.grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.card h3{font-size:16px;margin-bottom:8px}
.card .badges{margin-bottom:8px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.cols ul{margin:0}

/* Badges, Chips */
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;border:1px solid var(--border);background:var(--raised);color:var(--text);font-size:12px;font-weight:600;line-height:1.6}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--idle);flex:none}
.badge[data-status=stage1]::before{background:var(--ok)}
.badge[data-status=stage2]::before{background:var(--warn)}
.badge[data-status=lab]::before{background:var(--idle)}
.badge[data-kind=demo]::before{background:var(--info)}
.badge[data-kind=deferred]{border-style:dashed}
.badge[data-kind=deferred]::before{background:var(--muted)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-block;padding:2px 8px;border-radius:6px;border:1px solid var(--brand-100);background:var(--brand-50);color:var(--brand-700);font-size:12px;line-height:1.6}
code.chip{border-color:var(--border);background:var(--raised);color:var(--text)}

/* Use-Case-Karten */
.uc-card{position:relative;display:flex;flex-direction:column;gap:6px;padding:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.uc-card:hover{border-color:var(--brand)}
.uc-card:has(a:focus-visible){outline:2px solid var(--brand);outline-offset:2px}
.uc-card .badges{margin:0}
.uc-id{margin:0;font-size:12px;font-weight:600;color:var(--muted)}
.uc-title{font-size:16px}
.uc-title a{color:var(--text);text-decoration:none}
.uc-title a::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.uc-title a:focus-visible{outline:none}
.uc-claim{margin:0 0 4px;font-size:14px;color:var(--muted)}
.uc-card .chips{margin-top:auto}

/* Filter */
.filters{display:grid;gap:12px;margin:0 0 20px}
.fgroup{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.flabel{min-width:56px;margin-right:4px;font-size:13px;font-weight:600}
.fbtn{min-height:34px;padding:4px 12px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text);font:inherit;font-size:13px;cursor:pointer}
.fbtn:hover{background:var(--raised)}
.fbtn[aria-pressed=true]{background:var(--brand-50);border-color:var(--brand);color:var(--brand-700);font-weight:600}
.count{margin:0 0 0 12px;font-size:13px;color:var(--muted)}

/* Infobox */
.note{margin:16px 0;padding:12px 16px;border:1px solid var(--border);border-left:4px solid var(--brand);border-radius:var(--radius);background:var(--brand-50)}
.note p{margin:0}
.note-title{font-size:13px;margin-bottom:4px}

/* Steps */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:12px}
.steps>li{counter-increment:s;display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.steps>li::before{content:counter(s);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--btn-bg);color:var(--btn-fg);font-size:13px;font-weight:700}
.step-body h3{font-size:16px;margin-bottom:4px}

/* Abbildungen, Screenshots, FAQ */
.fig{margin:20px 0}
.fig img{width:100%;height:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
figcaption{margin-top:6px;font-size:13px;color:var(--muted)}
.enlarge{white-space:nowrap}
.shots{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.shot{margin:0}
.shot img{width:100%;height:auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
details{margin-bottom:8px;padding:10px 14px;background:var(--card);border:1px solid var(--border);border-radius:8px}
details>summary{cursor:pointer;font-weight:600}
details[open]>summary{margin-bottom:8px}
details .prose p:last-child{margin-bottom:0}

/* Use-Case-Detail */
.breadcrumb ol{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-wrap:wrap;gap:4px 6px;font-size:13px;color:var(--muted)}
.breadcrumb li+li::before{content:"/";margin-right:6px}
.uc-head h1{font-size:clamp(24px,3.4vw,32px);margin-bottom:12px}
.uc-head .chips{margin-bottom:12px}
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin:32px 0 0}
.pager .btn{text-align:left}
.pager-dir{display:block;font-size:12px;font-weight:400;color:var(--muted)}
.pager-title{display:block}

/* 404 */
.nf-wrap{max-width:640px;margin:0 auto;padding:48px 16px}
.nf-wrap h1{font-size:28px;margin-bottom:12px}
.nf-block{margin:0 0 28px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Druck: Light-Farben, keine Navigation, externe Links mit URL */
@media print{
 :root,:root.dark{--surface-bg:#fff;--surface-card:#fff;--surface-raised:#f1f5f9;--surface-border:#cbd5e1;--text:#111827;--muted:#475569;--brand-50:#f0fdfa;--brand-100:#ccfbf1;--brand-700:#0f766e;--btn-bg:#0f766e;--btn-fg:#fff;color-scheme:light}
 .topbar,.sidebar,#backdrop,.filters,.skip,.pager,.sb-foot{display:none!important}
 .shell{display:block}
 .content{display:block}
 main{max-width:none;padding:0}
 body{background:#fff;color:#000;font-size:11pt}
 a{color:#000}
 a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em;color:#475569;word-break:break-all}
 .uc-title a::after{content:none}
 .card,.uc-card,.stat,.steps>li,details,.fig,.shot{break-inside:avoid}
}