/* merchantCENTRAL-Layout der eBay-Einrichtungsseiten im Download-Kanal.
   Kopfleiste, Hero und Footer entsprechen der Print-Service-Downloadseite
   (altenbrand-bc-merchantcentral-print-service/web/index.html). */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  color-scheme:light;
  --teal:#007B8A;
  --teal-dark:#005662;
  --cyan:#00B4D8;
  --bg:#F5F7F8;
  --card-bg:#fff;
  --text:#1a2327;
  --muted:#5c6b70;
  --border:#e3e8ea;
  --shadow:0 10px 30px -18px rgba(6,38,43,.35);
  --notes-bg:#f3f7f8;
  --code-bg:#0A2E35;--code-fg:#e3f4f7;
  --step-bg:#e3f2f4;--step-fg:#005662;
  --warn-bg:#fff6e0;--warn-line:#e6b34a;--warn-fg:#6d5312;
  --link:#007B8A;
  --topbar:linear-gradient(100deg,#8FABAF 0%,#45797F 30%,#11404A 64%,#071E23 100%);
  --hero-grad:linear-gradient(160deg,#071E23 0%,#0A2E35 55%,#0E3C46 100%);
  --footer-bg:#071E23;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#13171b;--card-bg:#1c2228;--text:#e8eaed;--muted:#9aa6ab;--border:#2c343b;
    --shadow:0 12px 32px -18px rgba(0,0,0,.6);
    --notes-bg:rgba(255,255,255,.04);
    --code-bg:#0b1316;--code-fg:#d6eef2;
    --step-bg:rgba(0,180,216,.14);--step-fg:#7fdcec;
    --warn-bg:rgba(230,179,74,.1);--warn-line:rgba(230,179,74,.45);--warn-fg:#e3c489;
    --link:#5fd0e6;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#13171b;--card-bg:#1c2228;--text:#e8eaed;--muted:#9aa6ab;--border:#2c343b;
  --shadow:0 12px 32px -18px rgba(0,0,0,.6);
  --notes-bg:rgba(255,255,255,.04);
  --code-bg:#0b1316;--code-fg:#d6eef2;
  --step-bg:rgba(0,180,216,.14);--step-fg:#7fdcec;
  --warn-bg:rgba(230,179,74,.1);--warn-line:rgba(230,179,74,.45);--warn-fg:#e3c489;
  --link:#5fd0e6;
}

html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;line-height:1.65}

/* ── Kopfleiste ── */
.site-header{position:sticky;top:0;z-index:30;background:var(--topbar);box-shadow:0 6px 22px -16px rgba(6,38,43,.7)}
.header-inner{max-width:1280px;margin:0 auto;padding:10px 22px;display:flex;align-items:center;gap:1rem}
.brand{flex-shrink:0;display:flex;align-items:center;text-decoration:none}
.brand-logo{height:54px;width:auto;display:block}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:5px}
.site-nav a{color:rgba(233,247,250,.85);text-decoration:none;font-size:15.6px;font-weight:600;padding:8px 14.4px;border-radius:999px;white-space:nowrap;transition:color .2s,background .2s}
.site-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-lang{display:inline-flex;align-items:center;gap:2px;margin:0 3px;font-size:14.4px;font-weight:700}
.site-lang__opt{color:rgba(233,247,250,.6);background:transparent;border:0;cursor:pointer;padding:2.8px 8px;border-radius:6px;font-family:inherit;font-size:inherit;font-weight:inherit;transition:color .2s,background .2s}
.site-lang__opt:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-lang__opt--active{color:#fff;background:rgba(255,255,255,.18)}
.site-lang__opt:focus-visible{outline:2px solid #7fdcec;outline-offset:1px}

/* Zweisprachig: beide Fassungen stehen im HTML, sichtbar ist die zu <html lang>.
   Ohne JavaScript bleibt es bei Deutsch. */
:root:not([lang="en"]) .lang-en,
:root[lang="en"] .lang-de{display:none !important}

/* ── Hero ── */
.hero{position:relative;overflow:hidden;background:var(--hero-grad);color:#fff}
.hero::before{content:"";position:absolute;top:-45%;right:-8%;width:620px;height:520px;background:radial-gradient(circle,rgba(0,180,216,.17),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-55%;left:-12%;width:560px;height:520px;background:radial-gradient(circle,rgba(143,171,175,.12),transparent 64%);pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:3.1rem 1.5rem 3.4rem;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:.45rem;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#bfe9f2;background:rgba(0,180,216,.12);border:1px solid rgba(0,180,216,.3);padding:.32rem .8rem;border-radius:999px;margin-bottom:1.1rem}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#00B4D8;box-shadow:0 0 0 3px rgba(0,180,216,.25)}
.hero h1{font-size:2.25rem;font-weight:800;letter-spacing:-.02em;line-height:1.12;margin-bottom:.7rem;color:#fff}
.hero p{font-size:1.06rem;color:rgba(233,247,250,.82);max-width:640px;margin:0 auto}

/* ── Inhalt ── */
main{flex:1;width:100%;max-width:52rem;margin:0 auto;padding:2.4rem 1.5rem 3.6rem}
main h2{display:flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:700;margin:2.4rem 0 .85rem;color:var(--text)}
main h2::before{content:"";width:4px;height:1.1em;border-radius:2px;background:linear-gradient(180deg,var(--teal),var(--cyan));flex-shrink:0}
main > h2:first-child{margin-top:0}
p{margin:.75rem 0}
.card > :first-child{margin-top:0}
.card > :last-child{margin-bottom:0}
a{color:var(--link)}
a:hover{color:var(--cyan)}
strong{font-weight:700}

.card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.5rem 1.6rem;box-shadow:var(--shadow);margin:.9rem 0}
.card.warn{background:var(--warn-bg);border-color:var(--warn-line);border-left-width:4px;color:var(--warn-fg);box-shadow:none}

.hint{color:var(--muted);font-size:.9rem}

code{font-family:"Cascadia Code","Cascadia Mono",Consolas,monospace;font-size:.86em;background:var(--notes-bg);border:1px solid var(--border);padding:.05rem .35rem;border-radius:5px}
pre{background:var(--code-bg);color:var(--code-fg);border-radius:10px;padding:1rem 1.1rem;overflow-x:auto;margin:.75rem 0;line-height:1.5}
pre code{background:none;border:0;padding:0;color:inherit;font-size:.86rem}

/* Nummerierte Schritte */
ol{list-style:none;counter-reset:step;margin:.5rem 0}
ol > li{counter-increment:step;position:relative;padding-left:2.6rem;margin:1rem 0}
ol > li:first-child{margin-top:0}
ol > li::before{content:counter(step);position:absolute;left:0;top:.05rem;width:1.75rem;height:1.75rem;border-radius:50%;background:var(--step-bg);color:var(--step-fg);font-size:.85rem;font-weight:800;display:flex;align-items:center;justify-content:center}

.table-wrap{overflow-x:auto;margin:.75rem 0}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom-width:2px}
.card .table-wrap{margin:.9rem -.4rem}

.copy-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.6rem 1.15rem;border-radius:10px;font-size:.9rem;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .12s,box-shadow .2s,background .15s,color .15s;white-space:nowrap;font-family:inherit}
.btn-primary{border:none;background:linear-gradient(120deg,#007B8A 0%,#00B4D8 100%);color:#fff;box-shadow:0 10px 24px -12px rgba(0,123,138,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(0,180,216,.6)}
.btn:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}

/* ── Footer ── */
.site-footer{background:var(--footer-bg);color:rgba(233,247,250,.72);margin-top:auto;border-top:1px solid rgba(255,255,255,.06)}
.footer-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.6rem;padding:1.1rem 1.5rem}
.footer-copy-main{color:rgba(255,255,255,.92);font-size:.78rem;font-weight:700;display:block}
.footer-tagline{color:rgba(233,247,250,.5);font-size:.68rem;margin-top:.15rem;display:block}
.footer-legal{display:flex;align-items:center;gap:.45rem;font-size:.72rem;flex-wrap:wrap}
.footer-legal a{color:#7fdcec;text-decoration:none;transition:color .15s}
.footer-legal a:hover{color:#fff}
.footer-legal span{color:rgba(255,255,255,.28)}

@media(max-width:680px){
  .header-inner{flex-wrap:wrap;padding:.5rem 1rem;gap:.5rem}
  .brand-logo{height:2.5rem}
  .site-nav{order:3;width:100%;margin-left:0;justify-content:center;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);padding-top:.5rem}
  .site-nav a{font-size:14px;padding:6px 11px}
  .hero-inner{padding:2.4rem 1.25rem 2.7rem}
  .hero h1{font-size:1.7rem}
  .hero p{font-size:.98rem}
  main{padding:1.8rem 1rem 3rem}
  .card{padding:1.2rem 1.15rem}
  ol > li{padding-left:2.3rem}
  .footer-inner{flex-direction:column;align-items:flex-start}
}