/* SecureTransfer, öffentliche Seite. Systemschriften (keine externen Ressourcen), hell/dunkel, mobil zuerst. */
:root {
  --xp-green: #1a9f4c; --xp-green-d: #137a39; --xp-bg: #f3f6f4; --xp-card: #ffffff; --xp-ink: #14211a; --xp-muted: #5a6b61;
  --xp-line: #d6dfd9; --xp-err: #b3261e; --xp-err-bg: #fdecea; --xp-ok-bg: #e6f5ec; --xp-warn: #8a5a00; --xp-warn-bg: #fff4dc; --xp-focus: #0b57d0;
}
@media (prefers-color-scheme: dark) {
  :root { --xp-bg: #0f1713; --xp-card: #17221c; --xp-ink: #e8f0ea; --xp-muted: #9db0a4; --xp-line: #2a3a31; --xp-err: #ffb4ab; --xp-err-bg: #3a1f1c;
    --xp-ok-bg: #153423; --xp-warn: #ffd58a; --xp-warn-bg: #3a2e12; --xp-focus: #8ab4f8; --xp-green: #2ec766; --xp-green-d: #1a9f4c; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--xp-bg); color: var(--xp-ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--xp-green-d); }
@media (prefers-color-scheme: dark) { a { color: var(--xp-green); } }
:focus-visible { outline: 3px solid var(--xp-focus); outline-offset: 2px; }
.xp-skip { position: absolute; left: -999px; top: 0; background: var(--xp-card); padding: 8px 12px; z-index: 10; }
.xp-skip:focus { left: 8px; top: 8px; }
.xp-wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px; }
.xp-header { background: var(--xp-card); border-bottom: 1px solid var(--xp-line); }
.xp-header-in { display: flex; align-items: center; gap: 10px; min-height: 58px; }
.xp-brand { font-size: 17px; }
.xp-brand-sub { color: var(--xp-green-d); font-weight: 600; }
@media (prefers-color-scheme: dark) { .xp-brand-sub { color: var(--xp-green); } }
.xp-main { flex: 1; padding-top: 24px; padding-bottom: 32px; }
.xp-card { background: var(--xp-card); border: 1px solid var(--xp-line); border-radius: 14px; padding: 22px 20px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.xp-card h1 { font-size: 22px; line-height: 1.25; margin: 0 0 6px; }
.xp-card h2 { font-size: 17px; margin: 22px 0 8px; }
.xp-center { text-align: center; }
.xp-project { font-size: 18px; font-weight: 600; margin: 0 0 10px; overflow-wrap: anywhere; }
.xp-desc { overflow-wrap: anywhere; }
.xp-muted { color: var(--xp-muted); font-size: 14px; }
.xp-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 18px; margin: 14px 0 18px; padding: 12px 14px; background: var(--xp-bg); border-radius: 10px; }
.xp-facts div { min-width: 0; }
.xp-facts dt { font-size: 12.5px; color: var(--xp-muted); text-transform: uppercase; letter-spacing: .03em; }
.xp-facts dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }
.xp-alert { padding: 10px 14px; border-radius: 10px; margin: 0 0 14px; border: 1px solid transparent; }
.xp-alert-ok { background: var(--xp-ok-bg); border-color: var(--xp-green); }
.xp-alert-err { background: var(--xp-err-bg); border-color: var(--xp-err); color: var(--xp-err); }
.xp-alert-warn { background: var(--xp-warn-bg); border-color: var(--xp-warn); color: var(--xp-warn); }
.xp-tone-warn h1 { color: var(--xp-warn); }
.xp-form { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; max-width: 420px; }
.xp-form-gap { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--xp-line); }
.xp-form label { font-weight: 600; }
.xp-form input[type=password], .xp-form input[type=text] { font: inherit; padding: 11px 12px; border: 1px solid var(--xp-line); border-radius: 9px; background: var(--xp-card); color: var(--xp-ink); width: 100%; }
.xp-pw-row { display: flex; gap: 8px; }
.xp-code { font-size: 24px !important; letter-spacing: .3em; text-align: center; max-width: 220px; }
.xp-btn { display: inline-flex; align-items: center; justify-content: center; font: inherit; font-weight: 600; padding: 11px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer; text-decoration: none; min-height: 44px; }
.xp-btn-primary { background: var(--xp-green); color: #fff; }
.xp-btn-primary:hover { background: var(--xp-green-d); }
@media (prefers-color-scheme: dark) { .xp-btn-primary { color: #06210f; } }
.xp-btn-secondary { background: transparent; color: var(--xp-green-d); border-color: var(--xp-green); }
@media (prefers-color-scheme: dark) { .xp-btn-secondary { color: var(--xp-green); } }
.xp-btn-ghost { background: transparent; color: var(--xp-muted); border-color: var(--xp-line); white-space: nowrap; }
.xp-btn-disabled, .xp-btn[disabled] { background: var(--xp-line); color: var(--xp-muted); cursor: not-allowed; border-color: transparent; }
.xp-files { list-style: none; margin: 8px 0 0; padding: 0; }
.xp-file { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 0; border-top: 1px solid var(--xp-line); }
.xp-file:first-child { border-top: 0; }
.xp-file-main { min-width: 0; flex: 1; }
.xp-file-name { display: block; font-weight: 600; overflow-wrap: anywhere; }
.xp-file-meta { display: block; font-size: 14px; color: var(--xp-muted); }
.xp-sha { font-size: 13px; color: var(--xp-muted); }
.xp-sha code { display: block; overflow-wrap: anywhere; font-size: 12px; margin-top: 4px; }
.xp-zip { margin: 18px 0 8px; }
.xp-complete { max-width: none; margin-top: 18px; }
.xp-footer { color: var(--xp-muted); font-size: 13px; padding: 18px 0 26px; border-top: 1px solid var(--xp-line); }
.xp-footer p { margin: 2px 0; }
@media (max-width: 520px) { .xp-file { flex-direction: column; align-items: stretch; } .xp-file .xp-btn { width: 100%; } .xp-card { padding: 18px 14px; } }

/* Uploader (transfer-uploader.js) */
.xfer-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); opacity: 0; }
.xfer-drop { border: 2px dashed var(--xp-green); border-radius: 12px; padding: 26px 16px; text-align: center; cursor: pointer; background: var(--xp-bg); }
.xfer-drop:hover, .xfer-drop-over { background: var(--xp-ok-bg); }
.xfer-drop-title { font-size: 18px; font-weight: 600; margin: 0 0 4px; }
.xfer-drop-sub { margin: 0 0 6px; }
.xfer-drop-limits { margin: 0; font-size: 13px; color: var(--xp-muted); }
.xfer-link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--xp-green-d); text-decoration: underline; cursor: pointer; }
@media (prefers-color-scheme: dark) { .xfer-link-btn { color: var(--xp-green); } }
.xfer-notice { margin: 10px 0 0; font-size: 14px; color: var(--xp-muted); min-height: 1px; }
.xfer-notice-error { color: var(--xp-err); font-weight: 600; }
.xfer-files { list-style: none; margin: 14px 0 0; padding: 0; }
.xfer-file { border: 1px solid var(--xp-line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.xfer-file[data-state=error] { border-color: var(--xp-err); }
.xfer-file[data-state=done] { border-color: var(--xp-green); }
.xfer-file-head { display: flex; justify-content: space-between; gap: 10px; }
.xfer-file-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.xfer-file-size { color: var(--xp-muted); white-space: nowrap; font-size: 14px; }
.xfer-bar { width: 100%; height: 10px; margin: 8px 0 4px; accent-color: var(--xp-green); }
.xfer-file-foot { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; color: var(--xp-muted); }
.xfer-summary { margin: 8px 0 0; font-weight: 600; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }