:root {
  --bg: #f6efe6;
  --card: #fffaf3;
  --ink: #2b211c;
  --muted: #7a6b60;
  --accent: #c8553d;
  --accent-ink: #fff8f0;
  --line: #e3d6c6;
  --ok: #3f7d4e;
  --err: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1612;
    --card: #271f19;
    --ink: #f3e9dc;
    --muted: #a79584;
    --accent: #e0694f;
    --accent-ink: #1c1612;
    --line: #3b2f26;
    --ok: #7bc08a;
    --err: #ff8a80;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}
main { width: 100%; max-width: 520px; }
header { text-align: center; margin-bottom: 20px; }
header h1 { margin: 0; font-size: 2rem; letter-spacing: -0.02em; }
header h1 a { color: inherit; text-decoration: none; }
header p { margin: 4px 0 0; color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}
.drop {
  display: block;
  border: 2px dashed var(--line);
  border-radius: 14px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.drop strong { color: var(--ink); display: block; font-size: 1.05rem; }
.drop input { display: none; }
ul.files { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 6px; }
ul.files li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px;
}
ul.files .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
ul.files .size { color: var(--muted); font-size: .85rem; white-space: nowrap; }
ul.files button.x { all: unset; cursor: pointer; color: var(--muted); padding: 0 4px; font-size: 1.2rem; line-height: 1; }
ul.files button.x:hover { color: var(--err); }
label.field { display: block; margin-top: 16px; font-size: .9rem; color: var(--muted); }
input[type=password], input[type=text] {
  width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--ink);
  background: transparent; border: 1px solid var(--line); border-radius: 10px;
}
.btn {
  all: unset; box-sizing: border-box; cursor: pointer; text-align: center;
  display: block; width: 100%; margin-top: 16px; padding: 12px 16px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; border-radius: 12px;
}
.btn:hover { filter: brightness(1.07); }
.btn:disabled, .btn[aria-disabled=true] { opacity: .5; cursor: not-allowed; }
.btn.small { display: inline-block; width: auto; margin: 0; padding: 8px 14px; }
.bar { height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; margin-top: 12px; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.row { display: flex; gap: 8px; align-items: center; }
.row input { margin: 0; flex: 1; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--err); margin: 12px 0 0; font-size: .95rem; }
.ok { color: var(--ok); font-weight: 600; }
.center { text-align: center; }
[hidden] { display: none !important; }
footer { text-align: center; margin-top: 16px; color: var(--muted); font-size: .85rem; }