:root {
  --bg: #f6f6f4; --card: #fff; --ink: #1c1c1c; --muted: #5d5d5d; --line: #d9d9d4;
  --accent: #1f3a5f; --accent-ink: #fff; --ok: #1d6b3a; --bad: #a32020;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151515; --card: #1f1f1f; --ink: #ececec; --muted: #a3a3a3; --line: #3a3a3a;
          --accent: #8fb3e6; --accent-ink: #111; --ok: #6fcf97; --bad: #f08a8a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
       font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 24px 16px 64px; }
header { margin: 8px 0 20px; }
.brand { margin: 0; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
h1 { margin: 4px 0 6px; font-size: 28px; line-height: 1.2; }
h2 { margin: 0 0 8px; font-size: 18px; }
.lede { margin: 0; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin: 16px 0; }
.card.plain { background: transparent; }
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input[type=email], input:not([type]), select {
  width: 100%; padding: 10px 12px; font: inherit; color: inherit; background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; }
#code { font-size: 24px; letter-spacing: .3em; text-align: center; }
button { font: inherit; cursor: pointer; }
form button, .drop-btn { margin-top: 14px; padding: 10px 18px; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 16px 0; padding: 8px 14px; }
legend { font-weight: 600; padding: 0 6px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 16px 0; }
.check input { margin-top: 5px; }
.drop { border: 2px dashed var(--line); border-radius: 10px; padding: 28px 16px; text-align: center; cursor: pointer; }
.drop:hover, .drop:focus, .drop.over { border-color: var(--accent); outline: none; }
.drop.disabled { opacity: .5; cursor: not-allowed; }
.underline { text-decoration: underline; }
.small { font-size: 14px; color: var(--muted); }
.msg { min-height: 1.4em; margin: 10px 0 0; }
.msg.error { color: var(--bad); }
.msg.ok { color: var(--ok); }
.results { list-style: none; padding: 0; margin: 12px 0 0; }
.results li { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 8px 0; font-size: 14px; word-break: break-word; }
.results .name { font-weight: 600; }
.results .bar { height: 6px; background: var(--line); border-radius: 3px; margin-top: 6px; overflow: hidden; }
.results .bar span { display: block; height: 100%; width: 0; background: var(--accent); }
.results .done { color: var(--ok); }
.results .fail { color: var(--bad); }
.results code { font-size: 12px; word-break: break-all; }

[hidden] { display: none !important; }