:root {
  --bg: #e7eef0;
  --ink: #14242c;
  --muted: #5c6e78;
  --card: #fbfcfc;
  --line: #d3e0e4;
  --teal: #0e6e78;
  --teal-dark: #0a555c;
  --sand: #f4efe4;
  --danger: #8d2f2f;
  --shadow: 0 16px 40px rgba(20, 36, 44, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background:
    radial-gradient(900px 320px at 10% -10%, #f7f1e6 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Segoe UI", "Helvetica Neue", sans-serif;
}
a { color: var(--teal-dark); }
button, input { font: inherit; }
.top, main, .foot { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
.top { display: flex; gap: 14px; align-items: center; padding: 28px 0 8px; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.lang-pick {
  font: inherit; font-size: 14px; border: 1px solid var(--line);
  border-radius: 999px; background: #fff; color: var(--ink); padding: 6px 10px;
}
#who { color: var(--muted); font-size: 0.9rem; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#out { background: #fff; border: 1px solid var(--line); white-space: nowrap; }
#out[hidden] { display: none; }
.wrap .lang-pick { display: block; margin: 0 0 12px 0; }
.mark {
  width: 46px; height: 46px; border-radius: 14px; background: var(--teal); position: relative; flex: 0 0 auto;
}
.mark:before, .mark:after {
  content: ""; position: absolute; height: 3px; background: #f4f7f6; border-radius: 3px;
}
.mark:before { width: 18px; left: 10px; top: 21px; }
.mark:after {
  width: 10px; height: 10px; left: 24px; top: 17px; background: transparent;
  border-top: 3px solid #f4f7f6; border-right: 3px solid #f4f7f6; transform: rotate(45deg);
}
.brand { margin: 0; font-weight: 700; letter-spacing: 0.01em; }
.tag, .note, .quiet, .foot { color: var(--muted); }
.tag { margin: 2px 0 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 22px;
  margin: 16px 0;
}
h1, h2, h3 { margin: 0 0 8px; font-weight: 650; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.15rem; margin-top: 22px; }
h3 { font-size: 1rem; }
.note { margin-top: 0; }
label { display: block; margin: 12px 0; font-size: 0.92rem; }
input {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
}
.row { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.actions, .copyline { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
button, .go {
  display: inline-block; border: 0; border-radius: 999px; padding: 10px 16px;
  background: var(--sand); color: var(--ink); text-decoration: none; cursor: pointer;
}
.go { background: var(--teal); color: #f4f7f6; }
button:disabled { opacity: 0.55; cursor: default; }
.text { background: transparent; color: var(--teal-dark); padding-left: 0; }
.drop {
  margin-top: 14px; min-height: 168px; border: 1.5px dashed #8fadb4; border-radius: 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  background: #f3f8f8; text-align: center; padding: 18px;
}
.drop.over { border-color: var(--teal); background: #e5f3f3; }
.files { list-style: none; margin: 0; padding: 0; }
.files li {
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  padding: 10px 0; border-top: 1px solid var(--line);
}
.files a { margin-right: auto; word-break: break-all; }
.error { color: var(--danger); min-height: 0; margin: 8px 0; }
.error:empty { display: none; }
.bar { height: 8px; background: #d7e4e6; border-radius: 99px; overflow: hidden; }
#bar { height: 100%; width: 0; background: var(--teal); }
.result { margin-top: 16px; padding-top: 8px; }
.copyline input { margin: 0; flex: 1 1 220px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid article { background: #f3f7f7; border-radius: 14px; padding: 14px; }
code {
  display: block; white-space: pre-wrap; word-break: break-word;
  background: #14242c; color: #e7eef0; border-radius: 10px; padding: 10px 12px; font-size: 0.86rem;
}
.foot { padding: 8px 0 28px; font-size: 0.85rem; }
body.in-app #apps { display: none; }
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  .actions button, .go, .copyline button { width: 100%; text-align: center; }
}