:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #0d1421; color: #eef2f7; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 940px; padding: 24px 16px; margin: auto; }
header { display: flex; align-items: baseline; gap: 18px; border-bottom: 1px solid #354052; margin-bottom: 26px; }
h1 { font-size: 1.6rem; } header span, .muted { color: #aeb9cb; font-size: 0.9rem; }
.panel { max-width: 480px; margin: 50px auto; border: 1px solid #364457; padding: 24px; border-radius: 12px; }
h2 { margin: 0 0 18px; } form { display: grid; gap: 15px; }
label { display: block; } input:not([type=file]) { width: 100%; margin-top: 8px; padding: 11px; background: #182335; color: #fff; border: 1px solid #56647b; border-radius: 6px; font: inherit; }
button, .action { border: 1px solid #7ea9ff; background: #2859b5; color: white; border-radius: 7px; padding: 9px 13px; cursor: pointer; font: inherit; display: inline-block; white-space: nowrap; }
button:hover, .action:hover { filter: brightness(1.12); }
button:disabled, .action.disabled { opacity: 0.5; pointer-events: none; }
.secondary { background: #1a263a; border-color: #4d5f78; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
#breadcrumbs { flex: 1; min-width: 180px; overflow-wrap: anywhere; }
#breadcrumbs button { background: none; border: 0; padding: 5px 3px; color: #a9c7ff; }
#breadcrumbs b { padding: 0 3px; font-weight: normal; color: #8491a7; }
.file-list { border: 1px solid #364457; border-radius: 10px; min-height: 200px; overflow: hidden; }
.entry { display: flex; gap: 12px; padding: 10px 14px; align-items: center; border-bottom: 1px solid #253248; }
.entry:last-child { border: 0; } .entry .name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.entry .name button { border: 0; padding: 5px 0; background: transparent; color: #c7dcff; text-align: left; white-space: normal; }
.entry .name .plain { color: #eef2f7; }
.entry .size { color: #aeb9cb; font-size: .8rem; }
.entry button.small { font-size: .8rem; padding: 6px 9px; }
.empty { padding: 45px 18px; color: #aeb9cb; text-align: center; }
#status { margin-top: 12px; min-height: 24px; white-space: pre-wrap; }
#status.error { color: #ffb4b4; } #status.ok { color: #9ce4c6; }
@media (max-width:540px) { .entry { flex-wrap: wrap; } .entry .name { flex-basis: 55%; } main { padding: 14px; } }

[hidden] { display: none !important; }