/* DigitalKasse website. No external fonts, scripts or trackers: nothing leaves the visitor's browser
   except the request for these files. */
:root {
  --navy: #0b1226;
  --navy-2: #131c38;
  --ink: #0f1b33;
  --muted: #5b6880;
  --line: #e3e7f1;
  --bg: #f6f7fb;
  --card: #ffffff;
  --accent: #4f46e5;
  --accent-ink: #3730a3;
  --accent-soft: #eef0ff;
  --teal: #0e9384;
  --teal-soft: #e6f6f4;
  --amber: #b45309;
  --amber-soft: #fff6e5;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 27, 51, .06), 0 8px 24px rgba(15, 27, 51, .06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-ar: "Segoe UI", Tahoma, "Noto Naskh Arabic", "Geeza Pro", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8ecf6; --muted: #a2adc2; --line: #273150; --bg: #0b1022; --card: #121a33;
    --accent: #8b85ff; --accent-ink: #b9b5ff; --accent-soft: #1d2150; --teal: #34c3b2; --teal-soft: #0f2c2f;
    --amber: #f2b45a; --amber-soft: #2d2412; --shadow: 0 1px 2px rgba(0, 0, 0, .4); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #e8ecf6; --muted: #a2adc2; --line: #273150; --bg: #0b1022; --card: #121a33;
  --accent: #8b85ff; --accent-ink: #b9b5ff; --accent-soft: #1d2150; --teal: #34c3b2; --teal-soft: #0f2c2f;
  --amber: #f2b45a; --amber-soft: #2d2412; --shadow: 0 1px 2px rgba(0, 0, 0, .4); color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
[dir="rtl"] body, body[dir="rtl"] { font-family: var(--font-ar); }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }
img, svg { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 800;
  background: linear-gradient(135deg, #4f46e5, #0e9384);
}
.nav { display: flex; gap: 4px; margin-inline-start: auto; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; padding: 7px 11px; border-radius: 9px; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--card); box-shadow: var(--shadow); }
.lang { display: flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.lang button {
  font: inherit; font-size: 13px; padding: 5px 10px; border: 0; background: transparent; color: var(--muted); cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--accent); color: #fff; }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--navy); color: #eef1fb; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle at center, rgba(79, 70, 229, .45), transparent 62%);
}
.hero::after {
  content: ""; position: absolute; inset: auto auto -55% -15%; width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle at center, rgba(14, 147, 132, .32), transparent 60%);
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; padding-top: 72px; padding-bottom: 80px; align-items: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: #a9b4ff; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.08; letter-spacing: -.025em; margin: 14px 0 18px; }
.hero p.lead { font-size: 19px; color: #c5cce0; max-width: 560px; margin: 0 0 28px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: #fff; color: var(--navy); }
.btn.primary:hover { color: var(--navy); background: #e9ecff; }
.btn.ghost { color: #eef1fb; border-color: rgba(255, 255, 255, .25); }
.btn.ghost:hover { color: #fff; background: rgba(255, 255, 255, .08); }

.receipt {
  background: #fbfbf8; color: #1d2333; border-radius: 6px; padding: 22px 22px 18px; box-shadow: 0 30px 60px rgba(0, 0, 0, .35);
  font: 13px/1.55 ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace; transform: rotate(1.5deg); max-width: 330px; justify-self: center;
  direction: ltr; text-align: left;
}
.receipt .c { text-align: center; }
.receipt hr { border: 0; border-top: 1px dashed #b9bdc8; margin: 10px 0; }
.receipt .row { display: flex; justify-content: space-between; gap: 12px; }
.receipt .total { font-weight: 700; font-size: 15px; }
.qr { width: 92px; height: 92px; margin: 10px auto 4px; display: block; }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 36px; }
.section-head h2, h1.page-title { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.15; letter-spacing: -.02em; margin: 6px 0 12px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }
.kicker { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
section.alt .card { background: var(--bg); box-shadow: none; }
.card h3 { margin: 12px 0 6px; font-size: 17px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent);
}
.icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon.teal { background: var(--teal-soft); color: var(--teal); }
.icon.amber { background: var(--amber-soft); color: var(--amber); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { position: relative; padding-inline-start: 30px; }
.checklist li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px;
  background: var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e9384' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* Steps */
.steps { counter-reset: step; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { position: relative; padding-top: 46px; }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; top: 18px; inset-inline-start: 22px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px;
}

/* Version box */
.version {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap; padding: 22px 24px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--teal-soft)); border: 1px solid var(--line);
}
.version strong { font-size: 28px; letter-spacing: -.02em; }
.version .meta { color: var(--muted); font-size: 14px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--teal-soft); color: var(--teal); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }

/* Documents (legal pages) */
.doc { padding: 56px 0 72px; }
.doc .stand { color: var(--muted); margin-top: -4px; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin: 26px 0 8px; }
.toc ol { margin: 6px 0 0; padding-inline-start: 20px; columns: 2; column-gap: 32px; }
.toc li { break-inside: avoid; margin: 3px 0; }
.doc h2 { font-size: 21px; margin: 40px 0 10px; letter-spacing: -.01em; scroll-margin-top: 84px; }
.doc h3 { font-size: 17px; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--ink); }
.doc ul, .doc ol { padding-inline-start: 22px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: start; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.table-wrap { overflow-x: auto; }
.note { border-inline-start: 4px solid var(--amber); background: var(--amber-soft); padding: 14px 18px; border-radius: 10px; margin: 18px 0; }
.note.info { border-color: var(--accent); background: var(--accent-soft); }
code { font: 14px ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--accent-soft); padding: 1px 6px; border-radius: 6px; }

/* Changelog */
.release { border-inline-start: 2px solid var(--line); padding-inline-start: 22px; margin-inline-start: 6px; position: relative; padding-bottom: 8px; }
.release::before {
  content: ""; position: absolute; inset-inline-start: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}
.release h3 { margin: 0 0 4px; font-size: 19px; }
.release .date { color: var(--muted); font-size: 14px; }

/* Footer */
footer { background: var(--navy); color: #a9b2c8; padding: 44px 0 36px; font-size: 14px; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
footer a { color: #dfe4f3; text-decoration: none; }
footer a:hover { color: #fff; text-decoration: underline; }
footer h4 { color: #fff; margin: 0 0 10px; font-size: 14px; letter-spacing: .02em; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
footer .legal { grid-column: 1 / -1; border-top: 1px solid #1f2a4a; padding-top: 18px; margin-top: 8px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Language blocks on the home page */
[data-lang] { display: none; }
html[lang="de"] [data-lang="de"], html[lang="ar"] [data-lang="ar"] { display: revert; }

@media (max-width: 860px) {
  .hero .wrap, .split { grid-template-columns: 1fr; }
  .receipt { transform: none; }
  footer .wrap { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  section { padding: 56px 0; }
}
@media (max-width: 560px) {
  .top { position: static; }
  .wrap { padding: 0 16px; }
  .nav { width: 100%; margin-inline-start: 0; }
  .hero .wrap { padding-top: 48px; padding-bottom: 56px; }
}
@media print {
  .top, footer, .lang { display: none; }
  body { background: #fff; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

/* Account and control panel */
.panel { padding: 48px 0 72px; min-height: 60vh; }
.form { display: grid; gap: 14px; max-width: 420px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
.input, .form input, .form select, .tools input, .tools select, textarea.input {
  font: inherit; font-size: 15px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); width: 100%;
}
.input:focus, .form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button.act {
  font: inherit; font-weight: 600; font-size: 14px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); cursor: pointer; white-space: nowrap;
}
button.act:hover { border-color: var(--accent); }
button.act.main { background: var(--accent); border-color: var(--accent); color: #fff; }
button.act.warn { color: #b42318; }
button.act:disabled { opacity: .55; cursor: default; }
.msg { min-height: 22px; font-size: 14px; color: #b42318; }
.msg.ok { color: var(--teal); }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin: 20px 0; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.fact .lbl { display: block; color: var(--muted); font-size: 13px; }
.fact strong { font-size: 19px; letter-spacing: -.01em; }
.pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.pill.on { background: var(--teal-soft); color: var(--teal); }
.pill.soon { background: var(--amber-soft); color: var(--amber); }
.pill.off, .pill.expired { background: #fde8e7; color: #b42318; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 18px 0; border-bottom: 1px solid var(--line); }
.tabs button { font: inherit; font-weight: 600; padding: 10px 14px; border: 0; background: none; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button[aria-selected="true"] { color: var(--accent); border-color: var(--accent); }
.tools { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin: 12px 0; }
.tools label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.tools input, .tools select { width: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--card); }
table.list th, table.list td { text-align: start; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; position: sticky; top: 0; background: var(--card); }
table.list tr.pick { cursor: pointer; }
table.list tr.pick:hover td { background: var(--accent-soft); }
.wrapbox { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.codes { font: 15px ui-monospace, Consolas, monospace; background: var(--card); border: 1px dashed var(--accent); border-radius: 12px; padding: 14px 16px; white-space: pre; overflow-x: auto; direction: ltr; text-align: left; }
.detail { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin: 16px 0; }
.detail h3 { margin: 0 0 8px; }
.small { font-size: 13px; color: var(--muted); }
pre.err { white-space: pre-wrap; word-break: break-word; margin: 0; font: 12.5px/1.5 ui-monospace, Consolas, monospace; max-height: 9.5em; overflow: auto; direction: ltr; text-align: left; }
[hidden] { display: none !important; }