/* Bitbeam — im MAXTRIX-Rahmen (Graphit/Chrome, Saira, Wortmarke in Audiowide).
   Grundwerte kommen aus tokens.css (gemeinsam mit maxtrix.dev).
   Erkennungszeichen bleibt die Datei als Kette ihrer Teile:
   schwach = offen, Stahl = unterwegs, kräftig = Prüfsumme stimmt.
   Das gilt im dunklen wie im hellen Modus. */

:root {
  --bg: var(--mx-bg);
  --surface: var(--mx-panel);
  --surface-2: var(--mx-panel-2);
  --ink: var(--mx-text);
  --muted: var(--mx-muted);
  --faint: var(--mx-faint);
  --line: var(--mx-line);
  --line-strong: var(--mx-line-strong);
  --accent: var(--mx-silver);
  --accent-ink: var(--mx-on-chrome);
  --piece-empty: var(--mx-bit-empty);
  --piece-moving: var(--mx-bit-moving);
  --piece-done: var(--mx-bit-done);
  --danger: var(--mx-danger);
  --pause: var(--mx-steel);
  --accent-soft: rgb(var(--mx-tint) / .07);

  /* Bewegung: kurz und mit weichem Auslauf. Ein Rhythmus für alles. */
  --ease: var(--mx-ease);
  --dur-fast: var(--mx-dur-fast);
  --dur: var(--mx-dur);

  --font: var(--mx-font);
  --brand: var(--mx-font-brand);    /* nur Wortmarken */
  --display: var(--mx-font-display);

  --radius-s: var(--mx-radius-s);
  --radius-l: var(--mx-radius-l);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.55 var(--font);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

/* Feines Messraster oben, läuft nach unten aus */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 70vh;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgb(var(--mx-grid) / .06) 1px, transparent 1px),
    linear-gradient(90deg, rgb(var(--mx-grid) / .06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(#000, transparent);
  -webkit-mask-image: linear-gradient(#000, transparent);
}

button, input, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Icons ---------- */

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Kopfzeile ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.125rem 1rem 0;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  font-family: var(--brand);
  font-size: 1.125rem;
  letter-spacing: .12em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark svg { width: 1.625rem; height: 1.625rem; fill: var(--piece-moving); }
.wordmark svg .lit { fill: var(--piece-done); }
.wordmark:hover svg .lit { animation: pop var(--dur) var(--ease); transform-origin: 19.5px 12px; }

.device-name {
  border: 1px solid transparent;
  background: none;
  padding: .3rem .625rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: .875rem;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.device-name:hover { color: var(--ink); background: var(--accent-soft); border-color: var(--line); }
.device-name::before { content: "Dieses Gerät: "; }

.topbar-right { display: flex; align-items: center; gap: .375rem; min-width: 0; }
.topbar .mx-theme-toggle { width: 2.25rem; height: 2.25rem; }

/* Konto: Anmelden bzw. Benutzername */
.account-link {
  flex: none;
  padding: .3rem .75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.account-link:hover { border-color: var(--mx-steel); background: var(--accent-soft); }

main {
  flex: 1;
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.75rem 1rem 4rem;
}

/* ---------- Fußzeile: Herkunft ---------- */

.site-foot {
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: .8125rem;
}
.site-foot a { color: var(--muted); text-decoration: none; transition: color var(--dur) var(--ease); }
.site-foot a:hover { color: var(--ink); }
.by-maxtrix { display: inline-flex; align-items: center; gap: .5rem; }
.by-maxtrix img { width: 18px; height: 18px; opacity: .85; }
:root[data-theme="light"] .by-maxtrix img { filter: invert(1); } /* Mono-Logo: weiß wird schwarz */
.by-maxtrix b { font-family: var(--brand); font-weight: 400; letter-spacing: .12em; }

/* ---------- Buttons & Felder ---------- */

.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--mx-wash);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.btn:hover { border-color: var(--mx-steel); background: var(--accent-soft); }
/* Drücken fühlt sich nach Drücken an: kurz einsinken, beim Loslassen zurückfedern. */
.btn:active:not(:disabled) { transform: scale(.97); }
.btn.primary {
  background: var(--mx-chrome-btn);
  border-color: transparent;
  color: var(--accent-ink);
  box-shadow: var(--mx-shadow-btn);
}
/* Lichtstreifen beim Hovern, einmal von links nach rechts */
.btn.primary::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 40%;
  background: linear-gradient(105deg, transparent, var(--mx-shine), transparent);
  transform: translateX(-160%) skewX(-18deg);
  pointer-events: none;
}
.btn.primary:hover {
  background: var(--mx-chrome-btn);
  box-shadow: var(--mx-shadow-btn-hover);
}
.btn.primary:hover::after { transform: translateX(330%) skewX(-18deg); transition: transform .6s var(--ease); }
.btn.small { min-height: 2.25rem; padding: 0 .875rem; font-size: .875rem; }
.btn.small .icon { width: 1rem; height: 1rem; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--ink); background: var(--accent-soft); }
.btn.danger { color: var(--danger); }
.btn:disabled { cursor: default; opacity: .6; }

/* Bestätigung nach Kopieren/Speichern: kurz hell mit Häkchen. */
.btn.is-done,
.btn.is-done:hover {
  color: var(--ink);
  border-color: var(--piece-done);
  background: rgb(var(--mx-bit-done-rgb) / .1);
  box-shadow: none;
}
.btn.is-done .icon { animation: pop var(--dur) var(--ease); }

/* Wartet auf den Server: kleiner Drehkreis vor dem Text. */
.btn.is-loading::before {
  content: "";
  width: .875rem;
  height: .875rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

input[type="text"], input[type="password"], input:not([type]), textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: .5rem .875rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--mx-bg);
  font-size: 1rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
input:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(var(--mx-tint) / .14);
}
input[aria-invalid="true"] { border-color: var(--danger); }

.error { color: var(--danger); margin: 1rem 0 0; }

/* ---------- Start ---------- */

.kicker {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 0 0 1.25rem;
}
.kicker::before { content: ""; width: 1.75rem; height: 1px; background: var(--mx-steel); }

#start h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: var(--mx-weight-display);
  font-size: clamp(2.25rem, 7.5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  max-width: 14ch;
  background: var(--mx-chrome-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Eine Datei in Teilen: füllt sich einmal beim Laden, wie bei einer echten Übertragung. */
.intro-pieces {
  display: flex;
  gap: 4px;
  margin-top: 1.75rem;
}
.intro-pieces span {
  width: 20px;
  height: 8px;
  border-radius: 1.5px;
  background: var(--piece-empty);
  animation: fill-piece 1.1s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 55ms + 250ms);
}
.intro-pieces span:nth-child(2) { --i: 1; }
.intro-pieces span:nth-child(3) { --i: 2; }
.intro-pieces span:nth-child(4) { --i: 3; }
.intro-pieces span:nth-child(5) { --i: 4; }
.intro-pieces span:nth-child(6) { --i: 5; }
.intro-pieces span:nth-child(7) { --i: 6; }
.intro-pieces span:nth-child(8) { --i: 7; }
.intro-pieces span:nth-child(9) { --i: 8; }
.intro-pieces span:nth-child(10) { --i: 9; }
.intro-pieces span:nth-child(11) { --i: 10; }
.intro-pieces span:nth-child(12) { --i: 11; }

.lede {
  margin: 1.25rem 0 2.5rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.0625rem;
}

.start-actions {
  display: grid;
  gap: 2rem;
  justify-items: start;
}

.join { width: 100%; max-width: 22rem; }
.join label {
  display: block;
  margin-bottom: .5rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faint);
}
.join-row { display: flex; gap: .5rem; }
#join-code {
  font-family: var(--display);
  font-weight: var(--mx-weight-display);
  font-size: 1.375rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
#join-code::placeholder { color: var(--line-strong); }
#join-code.shake { animation: shake .32s var(--ease); }

/* ---------- Session ---------- */

.session {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background-color: var(--surface);
  /* Passermarken an den Ecken – wie auf maxtrix.dev */
  --tick: 10px;
  --tick-c: var(--mx-steel);
}

.session-code .label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color var(--dur) var(--ease);
}
.session-code .label.is-done { color: var(--ink); }

/* Der Code ist anklickbar und kopiert sich selbst. */
#code {
  display: block;
  margin: .25rem 0 1rem -.375rem;
  padding: 0 .375rem;
  border: 0;
  border-radius: var(--radius-s);
  background: var(--mx-chrome-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--display);
  font-weight: var(--mx-weight-display);
  font-size: clamp(2.5rem, 11vw, 4rem);
  line-height: 1.15;
  letter-spacing: .1em;
  cursor: copy;
  touch-action: manipulation;
  transition: transform var(--dur-fast) var(--ease), filter var(--dur) var(--ease);
}
#code:hover { filter: drop-shadow(0 0 14px rgb(var(--mx-tint) / .35)); }
#code:active { transform: scale(.98); }

.session-actions { display: flex; flex-wrap: wrap; gap: .5rem; }

.qr {
  flex: none;
  width: 112px;
  height: 112px;
  padding: 8px;
  background: #FFFFFF;
  border-radius: var(--radius-s);
}

/* ---------- Verbundene Geräte ---------- */

.peers { padding: 1.25rem .25rem; }
.peers-empty { margin: 0; color: var(--muted); }
#peer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
#peer-list li { display: flex; align-items: baseline; flex-wrap: wrap; gap: .25rem .625rem; }
#peer-list li.enter { animation: rise var(--dur) var(--ease); }
.peer-dot {
  position: relative;
  width: .5rem; height: .5rem;
  border-radius: 50%;
  background: var(--piece-moving);
  flex: none;
  transform: translateY(-.1em);
}
/* Verbindet noch: Punkt pulsiert. Gerade verbunden: ein einzelner Ring als Bestätigung. */
.peer-connecting .peer-dot { animation: breathe 1.2s ease-in-out infinite; }
.peer-ok .peer-dot { background: var(--piece-done); }
.peer-ok.just-connected .peer-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--piece-done);
  animation: ping .7s var(--ease) both;
}
.peer-failed .peer-dot { background: var(--danger); }
.peer-name { font-weight: 600; }
.peer-state { color: var(--muted); font-size: .875rem; }

/* ---------- Senden ---------- */

.send { display: grid; gap: .75rem; transition: opacity var(--dur) var(--ease); }
.send.disabled { opacity: .45; pointer-events: none; }

.drop {
  position: relative;
  display: grid;
  place-items: center;
  gap: .125rem;
  padding: 2rem 1rem;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius-l);
  background: var(--surface);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.drop .drop-icon {
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: .375rem;
  color: var(--accent);
  transition: transform var(--dur) var(--ease);
}
.drop:hover, .drop:focus-within, .drop.is-over {
  border-color: var(--accent);
  background: var(--surface-2);
}
.drop:hover .drop-icon, .drop.is-over .drop-icon { transform: translateY(-3px); }
.drop input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.drop strong { font-weight: 600; color: var(--ink); }
.drop span { color: var(--muted); font-size: .875rem; }

.text-send { display: flex; gap: .5rem; align-items: flex-end; }
.text-send textarea { resize: vertical; max-height: 12rem; }
.send:not(.disabled) .text-send.disabled { opacity: .45; pointer-events: none; }

.dragover {
  position: fixed;
  inset: .75rem;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: .5rem;
  border: 2px dashed var(--accent);
  border-radius: var(--radius-l);
  background: rgb(var(--mx-bg-rgb) / .86);
  backdrop-filter: blur(4px);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  pointer-events: none;
  z-index: 10;
  animation: fade-in var(--dur-fast) var(--ease);
}
.dragover .icon { width: 2.5rem; height: 2.5rem; }

/* ---------- Übertragungen ---------- */

.transfers { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: .75rem; }

.transfer {
  padding: .875rem 1rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}
.transfer.enter { animation: rise var(--dur) var(--ease); }

.t-head { display: flex; align-items: center; gap: .75rem; }
.t-dir {
  flex: none;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--piece-empty);
  color: var(--ink);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.t-dir .icon { width: 1rem; height: 1rem; }
.t-dir.is-done { background: var(--piece-done); color: var(--mx-on-chrome); }
.t-dir.is-done .icon { animation: pop var(--dur) var(--ease); }
.t-dir.is-paused { background: transparent; box-shadow: inset 0 0 0 1.5px var(--pause); color: var(--pause); }
.t-dir.is-failed { background: var(--mx-danger-soft); color: var(--danger); }
.t-meta { flex: 1; min-width: 0; display: grid; }
.t-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.t-sub { color: var(--muted); font-size: .8125rem; }
.t-actions { display: flex; gap: .375rem; flex: none; }

.t-text {
  margin: .625rem 0 0;
  padding: .625rem .75rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 14rem;
  overflow: auto;
}
.t-text a { color: var(--ink); text-decoration-color: var(--mx-steel); }

/* Die Datei als Kette ihrer Teile: jedes Kästchen ist ein Stück der Datei,
   hell wird es erst, wenn seine Prüfsumme beim Empfänger stimmt. */
.pieces {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10px, 1fr));
  gap: 3px;
  margin-top: .75rem;
}
.pieces:empty { display: none; }
.piece {
  height: 8px;
  border-radius: 1.5px;
  background: var(--piece-empty);
  transition: background-color .25s var(--ease);
}
.piece.moving { background: var(--piece-moving); }
.piece.done { background: var(--piece-done); animation: pop .3s var(--ease); }
/* Pausiert: Teile unterwegs werden gestreift statt eingefärbt – Zustand ohne Zusatzfarbe. */
.transfer.paused .piece.moving {
  background: repeating-linear-gradient(135deg, var(--piece-moving) 0 2px, var(--piece-empty) 2px 4px);
}
.transfer.failed .piece.moving { background: var(--danger); }

/* ---------- Einstellungen ---------- */

.options {
  display: grid;
  gap: .75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  border: 0;
}
.options legend { padding: 0; margin-bottom: .75rem; }

.toggle {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  color: var(--muted);
  font-size: .875rem;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}
.toggle:hover, .toggle:has(input:checked) { color: var(--ink); }
.toggle input { flex: none; width: 1rem; height: 1rem; margin: .2rem 0 0; accent-color: var(--mx-silver); }
.toggle small { display: block; color: var(--faint); font-size: .8125rem; }
.toggle small a { color: var(--ink); text-decoration-color: var(--mx-steel); }
.toggle:has(input:disabled) { cursor: default; }
.toggle:has(input:disabled):hover { color: var(--muted); }

/* ---------- Mehrere speichern ---------- */

.save-bar { display: flex; justify-content: flex-end; margin-top: 1.25rem; }
.save-bar + .transfers { margin-top: .75rem; }

.save-dialog {
  width: min(32rem, calc(100vw - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  box-shadow: var(--mx-shadow-card);
}
.save-dialog[open] { display: flex; animation: rise var(--dur) var(--ease); }
.save-dialog::backdrop { background: rgb(0 0 0 / .55); }
.save-box { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; padding: 1.25rem; }
.save-box h2 {
  margin: 0 0 .875rem;
  font-family: var(--display);
  font-weight: var(--mx-weight-display);
  font-size: 1.375rem;
  line-height: 1.2;
}
.save-all { padding-bottom: .75rem; border-bottom: 1px solid var(--line); }
.save-list { flex: 1; min-height: 0; overflow-y: auto; margin: 0; padding: 0; list-style: none; }
.save-list li { border-bottom: 1px solid var(--line); }
.save-list .toggle { padding: .625rem 0; }
.save-text { min-width: 0; }
.save-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.save-summary { margin: .75rem 0 0; color: var(--muted); font-size: .875rem; }
.save-status { margin: .25rem 0 0; min-height: 1.25rem; color: var(--faint); font-size: .8125rem; }
.save-status.is-error { color: var(--danger); }
.save-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; margin-top: .75rem; }

/* ---------- Bewegung ---------- */

@keyframes spin { to { transform: rotate(1turn); } }
@keyframes pop { 0% { transform: scale(.6); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes breathe { 50% { opacity: .35; } }
@keyframes ping { from { transform: scale(1); opacity: .9; } to { transform: scale(3); opacity: 0; } }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }
@keyframes fill-piece {
  0% { background: var(--piece-empty); }
  45% { background: var(--piece-moving); }
  100% { background: var(--piece-done); }
}

/* ---------- Schmal ---------- */

@media (max-width: 30rem) {
  main { padding-top: 1.75rem; }
  .session { flex-direction: column; padding: 1.25rem; }
  /* Kopfzeile zweizeilig: oben Marke, Umschalter, Konto – darunter der Gerätename. */
  .topbar { flex-wrap: wrap; gap: .25rem .375rem; }
  .topbar-right { display: contents; }
  .wordmark { margin-right: auto; }
  .device-name {
    order: 1;
    flex-basis: 100%;
    margin-left: -.625rem;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .intro-pieces span { width: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
  }
}

/* ---------- Server-Weg: Upload-Fortschritt ---------- */
.t-bar {
  margin-top: .75rem;
  height: 6px;
  border-radius: 999px;
  background: var(--piece-empty);
  overflow: hidden;
}
.t-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--piece-moving);
  transition: width var(--dur) var(--ease);
}
.transfer.is-ready .t-bar span { background: var(--piece-done); }
.transfer.is-ready .t-dir { background: var(--piece-done); color: var(--mx-on-chrome); }
.transfer.is-failed .t-bar span { background: var(--danger); }
.transfer.is-failed .t-dir { background: var(--mx-danger-soft); color: var(--danger); }
.transfer.is-failed .t-sub { color: var(--danger); }

/* ---------- Abhol-Seite (Server-Weg) ---------- */
.drop-card {
  max-width: 24rem;
  margin: 3rem auto 0;
  padding: 2.25rem 1.5rem;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
  --tick: 10px;
  --tick-c: var(--mx-steel);
}
.drop-glyph {
  width: 3rem; height: 3rem;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drop-card h1 { font-size: 1.125rem; font-weight: 600; margin: 0; overflow-wrap: anywhere; }
.drop-size { margin: -.5rem 0 0; color: var(--muted); }
.drop-note { margin: 0; color: var(--muted); font-size: .8125rem; }
.drop-card .btn { min-width: 12rem; }

/* ---------- Konto-Seiten (Anmelden, Einladung, Konto, Admin) ---------- */
.panel {
  max-width: 26rem;
  margin: 1rem auto 0;
  padding: 2rem 1.5rem;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  --tick: 10px;
  --tick-c: var(--mx-steel);
}
.panel.wide { max-width: 42rem; }
.panel + .panel { margin-top: 1.25rem; }
.panel h1 {
  margin: .5rem 0 .5rem;
  font-family: var(--display);
  font-weight: var(--mx-weight-display);
  font-size: 1.875rem;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.panel h2 {
  margin: 0 0 1rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faint);
}
.panel > p:not(.mx-label):not(.panel-foot) { margin: 0 0 1.5rem; color: var(--muted); }
.panel .mx-label { margin: 0; }

.form { display: grid; gap: 1.125rem; }
.form .btn { justify-self: start; }
.field { display: grid; gap: .375rem; }
.field label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faint);
}
.field small { color: var(--faint); font-size: .8125rem; }
.form-error { margin: 0; color: var(--danger); font-size: .875rem; }
.form-ok { margin: 0; color: var(--ink); font-size: .875rem; }
.panel-foot {
  margin: 1.75rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: .8125rem;
}

.rows { list-style: none; margin: 0; padding: 0; }
.rows li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .625rem 1rem;
  padding: .875rem 0;
  border-top: 1px solid var(--line);
}
.rows li:first-child { border-top: 0; padding-top: 0; }
.row-main { flex: 1; min-width: 12rem; display: grid; gap: .125rem; }
.row-main strong { font-weight: 600; overflow-wrap: anywhere; }
.row-main span { color: var(--muted); font-size: .8125rem; }
.row-actions { display: flex; flex-wrap: wrap; gap: .375rem; }
.row-link { flex-basis: 100%; }
.empty { margin: 0; color: var(--muted); }
.tag {
  display: inline-block;
  margin-left: .5rem;
  padding: 0 .5rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  vertical-align: .1em;
}
.tag.off { border-style: dashed; }

#new-link { margin-top: 1.5rem; }
.link-title { margin: 0 0 .5rem; color: var(--muted); font-size: .8125rem; }
.link-box { display: flex; gap: .5rem; align-items: center; }
.link-box input { min-width: 0; font-size: .8125rem; }