/* Geheim – eigene, kleine Gestaltung (angelehnt an das Stammheimer-Designsystem, aber ohne gemeinsamen Code). */
:root {
  --bg: #0b0c11; --surface: #15161e; --raised: #1d1d28; --line: #2a2b38; --line-strong: #3a3b4c;
  --text: #e7e7ee; --strong: #ffffff; --muted: #9a9bb0; --accent: #8b7cf6; --accent-bright: #9d90ff; --on-accent: #0b0c11;
  --danger: #ff667f; --radius: 14px; --control: 10px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f4f8; --surface: #ffffff; --raised: #fafafe; --line: #e3e3ec; --line-strong: #cfcfdc;
    --text: #22232d; --strong: #0b0c11; --muted: #666879; --accent: #6a58e8; --accent-bright: #5a47dc; --on-accent: #ffffff;
    --danger: #c81e45;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { min-height: 100vh; min-height: 100dvh; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
.wrap { width: min(640px, 100%); margin: 0 auto; padding: 40px 16px 48px; display: grid; gap: 18px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font-size: 1.5rem; color: var(--strong); letter-spacing: -.01em; }
.brand p { margin: 0; color: var(--muted); }
.mark { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px; background: var(--accent); flex: none; }
.mark svg { width: 24px; height: 24px; fill: none; stroke: var(--on-accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card { display: grid; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card h2 { margin: 0; color: var(--strong); font-size: 1.2rem; }
.card p { margin: 0; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--danger); font-size: .9rem; }
.field { display: grid; gap: 6px; }
.field > span { display: flex; justify-content: space-between; font-size: .85rem; font-weight: 600; color: var(--muted); }
.field i { font-style: normal; font-weight: 400; }
textarea, input { width: 100%; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--control);
  color: var(--strong); background: var(--raised); font: inherit; outline: 0; }
textarea { min-height: 190px; resize: vertical; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92rem; }
textarea:focus, input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.row b { font-weight: 600; }
.seg { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: var(--control); background: var(--raised); }
.seg button { padding: 6px 12px; border: 0; border-radius: 7px; color: var(--muted); background: transparent; font: inherit; font-size: .88rem; cursor: pointer; }
.seg button[aria-checked="true"] { color: var(--on-accent); background: var(--accent); font-weight: 600; }
.switch { position: relative; width: 44px; height: 26px; border: 0; border-radius: 13px; background: var(--line-strong); cursor: pointer; transition: background .15s; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .15s; }
.switch[aria-checked="true"] { background: var(--accent); }
.switch[aria-checked="true"]::after { transform: translateX(18px); }
button.primary, button.ghost, a.ghost { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px;
  padding: 9px 18px; border-radius: var(--control); font: inherit; font-weight: 650; cursor: pointer; text-decoration: none; }
button.primary { border: 0; color: var(--on-accent); background: var(--accent); justify-self: start; }
button.primary:hover:not(:disabled) { background: var(--accent-bright); }
button.primary:disabled { opacity: .45; cursor: default; }
.ghost { border: 1px solid var(--line-strong); color: var(--text); background: transparent; justify-self: start; }
.ghost:hover { background: color-mix(in srgb, var(--text) 7%, transparent); }
.ghost.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.link { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .85rem; }
.plain { max-height: 55vh; overflow: auto; padding: 14px; border: 1px solid var(--line-strong); border-radius: var(--control);
  color: var(--strong); background: var(--raised); white-space: pre-wrap; overflow-wrap: anywhere;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92rem; }
#read-ready { display: grid; gap: 14px; }
#read-shown { display: grid; gap: 12px; }
.how { padding: 4px 4px; color: var(--muted); font-size: .9rem; }
.how summary { cursor: pointer; font-weight: 600; color: var(--text); }
.how ul { display: grid; gap: 8px; margin: 12px 0 0; padding-left: 20px; }
.how b { color: var(--text); }
@media (max-width: 480px) { .wrap { padding-top: 24px; } .card { padding: 18px; } }
.pw-row { display: flex; gap: 8px; }
.pw-row input { flex: 1; min-width: 0; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
button.ghost.small { min-height: 0; padding: 8px 12px; font-size: .88rem; font-weight: 600; }
.field > label { font-size: .85rem; font-weight: 600; color: var(--muted); }
.warn { margin: 0; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); border-radius: var(--control);
  color: var(--text); background: color-mix(in srgb, var(--danger) 8%, transparent); font-size: .88rem; }