:root {
  --bg: #F3F5F8;
  --surface: #FFFFFF;
  --ink: #15202B;
  --muted: #5F6B7A;
  --line: #D9DEE6;
  --accent: #2B57D6;
  --accent-ink: #1E3F9E;
  --accent-soft: #E6EDFC;
  --ok: #1F7A4D;
  --bad: #B3261E;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Manrope", system-ui, sans-serif; line-height: 1.5;
}
button, input { font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.account { display: flex; gap: 10px; align-items: center; }
.quota { font-size: .85rem; color: var(--muted); }

main { max-width: 1040px; margin: 0 auto; padding: 20px; display: grid; gap: 20px; }
@media (min-width: 860px) {
  main { grid-template-columns: 280px 1fr; align-items: start; }
  .foot { grid-column: 1 / -1; }
}

.tools { display: grid; gap: 6px; }
.tools h2 { grid-column: 1 / -1; margin: 10px 0 0; font-size: .8rem; font-weight: 700; color: var(--muted); }
.tools h2:first-child { margin-top: 0; }
@media (max-width: 859px) {
  .tools { grid-template-columns: repeat(2, 1fr); }
}
.tool {
  text-align: left; text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; cursor: pointer; color: var(--ink); display: grid; gap: 1px;
}
.tool b { font-weight: 700; font-size: .95rem; }
.tool span { font-size: .8rem; color: var(--muted); }
.tool.on { border-color: var(--accent); background: var(--accent-soft); }
.tool.on b { color: var(--accent-ink); }

.work { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
h1 { margin: 0 0 4px; font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; }
.hint { margin: 0 0 18px; color: var(--muted); font-size: .95rem; max-width: 60ch; }

.drop {
  border: 2px dashed #B8C2D2; border-radius: 12px; padding: 40px 20px; text-align: center;
  cursor: pointer; color: var(--muted); background: #FAFBFD; transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.drop-inner { display: grid; justify-items: center; gap: 6px; }
.drop strong { color: var(--ink); font-size: 1.05rem; }
.drop span { font-size: .85rem; }
.drop em { font-style: normal; }

.files { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.files li {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; font-size: .9rem;
}
.files .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.files .size { color: var(--muted); font-size: .8rem; }
.files button { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 2px 6px; border-radius: 6px; }
.files button:hover { background: var(--bg); color: var(--ink); }

.params { display: grid; gap: 12px; margin-top: 16px; }
.params:empty { display: none; }
.params label { display: grid; gap: 4px; font-size: .9rem; font-weight: 600; }
.params .row { display: flex; flex-wrap: wrap; gap: 8px; }
.params input[type=text], .params input[type=number], .params select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-weight: 500;
}
.params small { font-weight: 400; color: var(--muted); }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; font-weight: 500; }
.chip:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.chip input { position: absolute; opacity: 0; pointer-events: none; }

.actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.btn {
  border-radius: 8px; padding: 10px 18px; font-weight: 700; cursor: pointer; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); text-decoration: none; display: inline-block;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-ink); }
.btn.primary:disabled { background: #AEBBD6; border-color: #AEBBD6; cursor: not-allowed; }
.btn.ghost:hover { background: var(--bg); }

.status { margin-top: 18px; display: grid; gap: 10px; }
.bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.bar.indeterminate i { width: 30%; animation: slide 1.2s infinite ease-in-out; }
@keyframes slide { 0% { margin-left: -30%; } 100% { margin-left: 100%; } }
@media (prefers-reduced-motion: reduce) { .bar.indeterminate i { animation: none; width: 100%; opacity: .5; } }
.status p { margin: 0; font-size: .95rem; }
.status.ok p { color: var(--ok); font-weight: 600; }
.status.bad p { color: var(--bad); font-weight: 600; }

.foot { color: var(--muted); font-size: .85rem; text-align: center; margin: 0; }
.error { color: var(--bad); margin: 0; font-size: .9rem; }

dialog { border: 0; border-radius: 14px; padding: 24px; width: min(420px, 92vw); }
dialog::backdrop { background: rgba(21,32,43,.45); }
dialog h2 { margin: 0 0 6px; font-size: 1.3rem; }
dialog label { display: grid; gap: 4px; margin: 12px 0; font-weight: 600; font-size: .9rem; }
dialog input { padding: 10px; border: 1px solid var(--line); border-radius: 8px; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang button { border: 0; background: var(--surface); padding: 6px 10px; font-weight: 700; font-size: .8rem; color: var(--muted); cursor: pointer; }
.lang button.on { background: var(--accent); color: #fff; }