:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #f2f2f2; background: linear-gradient(180deg, #d4b3ff 0%, #a855f7 45%, #7c3aed 100%) fixed;
}
main { max-width: 760px; margin: 0 auto; padding: 2em 1em 3em; }
h1 { margin: 0 0 0.2em; font-size: 2em; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,0.25); }
.lead { margin: 0 0 1.5em; color: #1f1033; font-weight: 500; }
.card { background: #2a2a2a; border: 1px solid #3a3a3a; border-radius: 10px; padding: 1.1em 1.3em; margin-bottom: 1em; box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
.card h2 { margin: 0 0 0.6em; font-size: 1.2em; }
.row { display: flex; flex-wrap: wrap; gap: 0.6em 1em; align-items: center; }
select { font: inherit; color: #f2f2f2; background: #333; border: 1px solid #555; border-radius: 6px; padding: 0.45em 0.6em; min-width: 16em; }
button.primary { font: inherit; font-weight: 600; color: #fff; background: #a855f7; border: 0; border-radius: 6px; padding: 0.7em 1.3em; cursor: pointer; }
button.primary:hover { background: #9333ea; }
.hint { color: #b0b0b0; font-size: 0.9em; margin: 0.6em 0 0; }
.warn { display: block; color: #ffd24a; }
a { color: #c9a2ff; }
ul { padding-left: 1.2em; margin: 0; }
li { margin: 0.4em 0; }
footer { text-align: center; color: #1f1033; margin-top: 2em; font-size: 0.9em; }
footer a { color: #1f1033; }
@media (max-width: 500px) { select { min-width: 0; width: 100%; } }
input[type="text"], input[type="password"], input[type="number"] {
  font: inherit; color: #f2f2f2; background: #333; border: 1px solid #555; border-radius: 6px;
  padding: 0.4em 0.55em; width: 100%;
}
input[type="number"] { width: 5em; }
label { display: block; color: #ccc; }
input[type="checkbox"] { accent-color: #a855f7; width: auto; }
details { margin-top: 0.8em; }
summary { cursor: pointer; color: #c9a2ff; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14em, 1fr)); gap: 0.6em 1em; margin-top: 0.6em; }
.grid label { display: flex; flex-direction: column; gap: 0.25em; font-size: 0.95em; }
.part { border-top: 1px solid #3a3a3a; padding: 0.5em 0; }
.part-head { font-weight: 600; color: #eee; cursor: pointer; }
.part:not(.on) .part-head { color: #aaa; font-weight: 400; }
.part-body { display: flex; flex-wrap: wrap; gap: 0.4em 1.2em; margin: 0.4em 0 0 1.6em; }
.part-body:empty { display: none; }
.part-body label { display: inline-flex; align-items: center; gap: 0.35em; font-size: 0.92em; }
.part-body select { min-width: 0; padding: 0.3em 0.4em; }
.status { margin: 0.8em 0 0; font-weight: 500; }
.status:empty { display: none; }
.status.ok { color: #7ddc7d; }
.status.bad { color: #ff8a8a; }
#modeHint { margin-top: 0.4em; }
#mode { width: 100%; }
h2 .hint { font-weight: 400; font-size: 0.75em; }
.card h3 { margin: 1em 0 0.2em; font-size: 1em; color: #eee; }
.wifi-grid { display: grid; grid-template-columns: auto 1fr 1fr; gap: 0.5em 0.8em; align-items: center; margin-top: 0.6em; }
.wifi-grid .slot { color: #ccc; font-size: 0.95em; white-space: nowrap; }
@media (max-width: 500px) {
  .wifi-grid { grid-template-columns: 1fr 1fr; }
  .wifi-grid .slot { grid-column: 1 / -1; margin-top: 0.3em; }
}
.grid label .key { color: #888; font-size: 0.85em; }

.import { margin: 0.8em 0 1em; padding: 0.7em 0.9em; border: 1px dashed #666; border-radius: 6px; }
.import label { display: block; }
.import input[type=file] { display: block; margin-top: 0.4em; }
.import-status .status { font-weight: 400; margin-top: 0.5em; }
.status.warn { color: #ffd27a; }
button.link { background: none; border: 0; padding: 0; margin-top: 0.4em; color: #c9a7ff; text-decoration: underline; cursor: pointer; font: inherit; }