:root {
  --bg: #0f1419;
  --card: #1a212b;
  --card2: #232c38;
  --fg: #e6edf3;
  --muted: #8b98a8;
  --accent: #4c8dff;
  --accent2: #2f6fe0;
  --ok: #2ea043;
  --warn: #d29922;
  --err: #f85149;
  --border: #2d3743;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 24px 18px 60px; }
header.brand { display: flex; align-items: center; gap: 10px; margin: 14px 0 26px; }
header.brand .logo { font-size: 26px; }
header.brand h1 { font-size: 20px; margin: 0; font-weight: 650; }
header.brand .sub { color: var(--muted); font-size: 13px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 18px;
}
h2 { font-size: 16px; margin: 0 0 12px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type=text], input[type=password] {
  width: 100%; padding: 11px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--card2); color: var(--fg);
  font-size: 15px;
}
input:focus { outline: none; border-color: var(--accent); }
button {
  background: var(--accent); color: #fff; border: 0; border-radius: 9px;
  padding: 12px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
  width: 100%; margin-top: 18px;
}
button:hover { background: var(--accent2); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary { background: var(--card2); border: 1px solid var(--border); }
.drop {
  border: 2px dashed var(--border); border-radius: 12px; padding: 34px 16px;
  text-align: center; color: var(--muted); cursor: pointer; transition: .15s;
}
.drop.over { border-color: var(--accent); background: var(--card2); color: var(--fg); }
.drop .big { font-size: 30px; margin-bottom: 6px; }
.filelist { margin-top: 14px; font-size: 14px; }
.filerow { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--border); }
.filerow .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filerow .pct { color: var(--muted); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.muted { color: var(--muted); font-size: 13px; }
.note { font-size: 13px; padding: 11px 13px; border-radius: 9px; margin-top: 12px; }
.note.warn { background: rgba(210,153,34,.12); border: 1px solid var(--warn); color: #f0d98a; }
.note.err { background: rgba(248,81,73,.12); border: 1px solid var(--err); color: #ffb3ad; }
.note.ok { background: rgba(46,160,67,.12); border: 1px solid var(--ok); color: #97e0a8; }
.pwbox {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 18px; background: var(--card2); border: 1px solid var(--accent);
  border-radius: 9px; padding: 14px; text-align: center; word-break: break-all;
  margin: 10px 0; user-select: all;
}
.bar { height: 8px; background: var(--card2); border-radius: 5px; overflow: hidden; margin-top: 16px; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
a { color: var(--accent); }
.hidden { display: none; }
.center { text-align: center; }
.spinner { width: 26px; height: 26px; border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 1s linear infinite; margin: 14px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Umschalter: Verschluesseln <-> Oeffnen */
.navtoggle {
  display: flex; gap: 6px; margin: 0 0 20px;
  background: var(--card2); border: 1px solid var(--border);
  border-radius: 11px; padding: 5px;
}
.navtoggle a {
  flex: 1; text-align: center; padding: 10px 12px; border-radius: 8px;
  text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px;
  transition: background .12s, color .12s;
}
.navtoggle a.active { background: var(--accent); color: #fff; }
.navtoggle a:not(.active):hover { background: rgba(255,255,255,.06); color: var(--fg); }