:root {
  color-scheme: dark;
  --bg: #10141a;
  --panel: #171e27;
  --border: #343f4c;
  --text: #eef2f7;
  --muted: #aab9c8;
  --accent: #85e4c3;
  --focus: #91baff;
  --danger: #ffacb0;
  font: 15px/1.55 Inter, "Segoe UI", "Microsoft YaHei UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
.wrap { width: min(calc(100% - 40px), 1120px); margin-inline: auto; }
.top { border-bottom: 1px solid var(--border); background: #131921; }
.top-inner { min-height: 65px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; gap: 10px; align-items: center; color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: .02em; }
.mark { display: grid; place-items: center; width: 33px; height: 32px; border: 1px solid #5bbda3; border-radius: 8px; color: var(--accent); font-size: .88rem; }
main { padding: 38px 0 52px; }
.intro { margin-bottom: 24px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); line-height: 1.15; font-weight: 680; }
.intro p { margin-top: 10px; color: var(--muted); }
.workspace { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); align-items: start; gap: 20px; }
.panel { padding: 23px; background: var(--panel); border: 1px solid var(--border); border-radius: 13px; min-width: 0; }
.login { max-width: 420px; }
h2 { font-size: 1.22rem; font-weight: 650; }
.muted, small { color: var(--muted); }
form { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 6px; font-weight: 580; }
small { font-size: .8rem; margin-top: -10px; }
input, select, textarea, button, .download { font: inherit; }
input, select, textarea { min-width: 0; width: 100%; color: var(--text); background: #111720; border: 1px solid var(--border); border-radius: 8px; padding: 9px 10px; }
input[type=file] { padding: 6px 8px; font-size: .88rem; }
input::file-selector-button { border: 0; border-radius: 5px; padding: 6px 8px; margin-right: 8px; background: #2c3947; color: var(--text); font: inherit; cursor: pointer; }
textarea { resize: vertical; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
button, .download { display: inline-flex; align-items: center; justify-content: center; color: #11241d; background: var(--accent); border: 1px solid transparent; border-radius: 8px; font-weight: 650; padding: 9px 13px; cursor: pointer; text-decoration: none; }
button:hover, .download:hover { filter: brightness(1.09); }
button:disabled { opacity: .6; cursor: wait; }
.quiet { background: transparent; border-color: var(--border); color: var(--text); font-size: .85rem; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
details { border-top: 1px solid var(--border); padding-top: 10px; }
summary { cursor: pointer; color: var(--muted); }
details label { margin-top: 12px; }
.preview { display: block; width: auto; max-width: 100%; max-height: 155px; border: 1px solid var(--border); border-radius: 8px; }
.format { display: flex; gap: 8px; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .86rem; }
.format strong { color: var(--text); }
.message { min-height: 1.2em; font-size: .9rem; color: var(--accent); }
.message.error, .job-error { color: var(--danger); }
.section-head, .job-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.connection { font-size: .8rem; color: var(--muted); }
.connection.online { color: var(--accent); }
.empty { padding-top: 18px; color: var(--muted); }
.job { margin-top: 14px; padding: 13px 0 0; border-top: 1px solid var(--border); }
.job-head a { text-overflow: ellipsis; white-space: nowrap; overflow: hidden; }
.job-state { flex: none; font-size: .86rem; font-weight: 620; }
.job-meta { margin-top: 4px; font-size: .85rem; color: var(--muted); overflow-wrap: anywhere; }
progress { width: 100%; height: 8px; margin: 10px 0 2px; accent-color: var(--accent); }
.job .download, .job button { margin-top: 10px; font-size: .86rem; }
.job-error { margin-top: 5px; font-size: .87rem; }
@media (max-width: 820px) {
  .workspace { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
  .wrap { width: calc(100% - 24px); }
  .panel { padding: 17px; }
  main { padding-top: 25px; }
}