:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  color: #111;
  background: #f3f4f6;
}

* { box-sizing: border-box; }
body { margin: 0; }

.page {
  width: min(calc(100% - 32px), 860px);
  margin: 48px auto;
}

.card {
  background: #fff;
  border: 1px solid #d6d9de;
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 4px 18px rgba(0,0,0,.05);
}

h1 { margin-top: 0; }

label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 650;
}

input,
button {
  font: inherit;
}

input[type="text"],
input[type="url"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #aeb3ba;
  border-radius: 7px;
}

button,
.download {
  display: inline-block;
  padding: 10px 15px;
  border: 1px solid #222;
  border-radius: 7px;
  background: #111;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}

button:disabled {
  opacity: .6;
  cursor: wait;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
progress:focus-visible {
  outline: 3px solid Highlight;
  outline-offset: 3px;
}

fieldset {
  margin: 0;
  padding: 16px;
  border: 1px solid #d6d9de;
  border-radius: 8px;
}

fieldset label {
  margin: 7px 0;
  font-weight: 500;
}

.url-row {
  display: flex;
  gap: 8px;
}

.url-row input {
  flex: 1;
  min-width: 0;
}

.hint,
.job-info {
  color: #555;
}

.job {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #d6d9de;
}

progress {
  display: block;
  width: 100%;
  height: 20px;
  margin: 14px 0 8px;
}

.error {
  min-height: 1.5em;
  color: #a10f0f;
}

#job-expiry {
  color: #555;
}

.download {
  margin-top: 10px;
}

@media (max-width: 620px) {
  .page { margin: 20px auto; }
  .card { padding: 20px; }
  .url-row { flex-direction: column; }
  .url-row button { width: 100%; }
}

/* 仅新增：取消任务按钮 */
#cancel-job {
  margin-top: 10px;
}

/* 仅新增：下载完成后删除按钮 */
#delete-job {
  margin-top: 10px;
}