:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6b6b70;
  --line: #e2e0db;
  --accent: #1a6fd6;
  --accent-text: #ffffff;
  --ok: #1e7f3c;
  --warn: #9a5b00;
  --error: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161617;
    --card: #222224;
    --text: #f2f2f2;
    --muted: #a1a1a6;
    --line: #3a3a3d;
    --accent: #4a94f0;
    --accent-text: #0b0b0c;
    --ok: #5cc27a;
    --warn: #e0a64a;
    --error: #ff7b72;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 19px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 34px; margin: 0 0 4px; }
h2 { font-size: 22px; margin: 36px 0 12px; }
.lead { color: var(--muted); margin: 0 0 24px; }
.hint { color: var(--muted); font-size: 16px; margin: 12px 0 0; }
.error { color: var(--error); margin: 12px 0 0; }
.ok { color: var(--ok); font-size: 16px; margin-top: 4px; }
.warn { color: var(--warn); font-size: 16px; margin-top: 4px; }
[hidden] { display: none !important; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.big-button, .button {
  display: inline-block;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.big-button {
  display: block;
  width: 100%;
  padding: 20px;
  font-size: 22px;
  background: var(--accent);
  color: var(--accent-text);
}
.button {
  min-height: 48px;
  padding: 12px 22px;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.button.primary { background: var(--accent); color: var(--accent-text); }
.button.subtle { border-color: transparent; color: var(--muted); font-weight: 400; }
.button:disabled { opacity: 0.6; }
#file:focus-visible + .big-button { outline: 3px solid var(--text); outline-offset: 3px; }

label[for="code"] { display: block; font-weight: 600; margin-bottom: 8px; }
input[type="password"] {
  display: block;
  width: 100%;
  font: inherit;
  padding: 14px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}

progress { width: 100%; height: 14px; accent-color: var(--accent); }
#progress p:first-child { margin: 16px 0 8px; overflow-wrap: anywhere; }

.jobs { list-style: none; margin: 0; padding: 0; }
.job {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 12px;
}
.job-name { font-weight: 600; overflow-wrap: anywhere; }
.job-meta { color: var(--muted); font-size: 16px; margin-top: 4px; }
.job-status { margin-top: 6px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  vertical-align: -2px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }