:root {
  --page: #f3f5f9;
  --card: #ffffff;
  --border: #e2e6ee;
  --segment: #e8ebf2;
  --text: #1b1f27;
  --muted: #5f6878;
  --accent: #2f6fde;
  --accent-dark: #2459b8;
  --on-accent: #ffffff;
  --success: #1e8e3e;
  --error: #c5221f;
  --offer: #e8f0fe;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #14161b;
    --card: #1e2128;
    --border: #2d313a;
    --segment: #2a2e37;
    --text: #e6e9ef;
    --muted: #9aa3b2;
    --accent: #5b8def;
    --accent-dark: #4a7bdc;
    --on-accent: #0d1117;
    --success: #5bb974;
    --error: #f28b82;
    --offer: #1c2b45;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  font-weight: 600;
  font-size: 18px;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px 32px;
}

[hidden] { display: none !important; }

h2 { margin: 0 0 8px; font-size: 18px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}

.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--error); }
.ok { color: var(--success); }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }
.row.center { justify-content: center; }
.row.spread { justify-content: space-between; }

button, .button {
  font: inherit;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--segment);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:disabled { opacity: 0.5; cursor: default; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
button.primary:hover:not(:disabled) { background: var(--accent-dark); }
button.link { background: none; border: none; padding: 0; color: var(--accent); }
.wide { display: block; width: 100%; margin: 10px 0 0; text-align: center; }

input:not([type=checkbox]), textarea {
  font: inherit;
  color: var(--text);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}

#codeInput { flex: 1; }
#passwordInput { width: 100%; }
textarea { width: 100%; margin-top: 8px; resize: vertical; }
details { margin-top: 12px; }
summary { cursor: pointer; color: var(--accent); }

.drop {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.drop p { margin: 0 0 8px; }
.drop.over { border-color: var(--accent); background: var(--offer); }

.code {
  display: inline-block;
  margin: 8px 0 12px;
  padding: 8px 18px;
  border-radius: 10px;
  background: var(--segment);
  font: bold 26px/1.3 ui-monospace, "Cascadia Mono", Menlo, monospace;
  overflow-wrap: anywhere;
}

.linkline { overflow-wrap: anywhere; }
a { color: var(--accent); }

.files {
  list-style: none;
  margin: 8px 0;
  padding: 0;
  max-height: 320px;
  overflow-y: auto;
}

.files li {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.files li:last-child { border-bottom: none; }
.files .name { flex: 1; overflow-wrap: anywhere; }
.center .files, .center #chosen p { text-align: left; }
.files .size { color: var(--muted); font-size: 13px; white-space: nowrap; }
.files .state { width: 1.2em; text-align: center; }
.files .why { display: block; color: var(--error); font-size: 13px; }

label.all { display: block; margin: 4px 0; }

progress {
  width: 100%;
  height: 10px;
  accent-color: var(--accent);
}

pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  max-height: 320px;
  overflow-y: auto;
  font: inherit;
}

/* /get: the packages for this device */
.package { display: block; text-align: center; margin-top: 4px; }
#othersCard details { margin-top: 0; }
.steps { margin: 16px 0 0; padding-left: 22px; }
.steps li { margin: 6px 0; }