/* Декодер — mojibake fixer. Palette mirrors the chromoshub family; dark default. */
:root {
  --bg: #0d1117; --surface: #161b22; --surface2: #1c2430;
  --ink: #e6edf3; --muted: #9aa7b4; --line: #26303c; --line2: #313d4d;
  --accent: #58b0ff; --accent2: #2f81f7; --accent-ink: #fff;
  --good: #4ac26b; --warn: #f5a623;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 6px 22px rgba(0,0,0,.35);
  --mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "DejaVu Sans Mono", Consolas, monospace;
}
:root[data-theme="light"] {
  --bg: #f4f6fa; --surface: #ffffff; --surface2: #eef1f6;
  --ink: #16202f; --muted: #52617a; --line: #dde3ec; --line2: #c8d1de;
  --accent: #1f6feb; --accent2: #1a5fd0; --accent-ink: #fff;
  --good: #2f9e44; --warn: #e08600;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column; min-height: 100%;
}
code { font-family: var(--mono); font-size: .92em; background: var(--surface2); padding: 1px 5px; border-radius: 5px; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 20px; background: var(--surface);
  border-bottom: 1px solid var(--line); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); background: var(--surface2); border: 1px solid var(--line2); border-radius: 10px;
}
.logo svg { width: 22px; height: 22px; }
.title { font-weight: 700; font-size: 17px; letter-spacing: .2px; }
.subtitle { color: var(--muted); font-size: 12.5px; }
.tools { display: flex; align-items: center; gap: 8px; }
.lang { display: inline-flex; height: 34px; border: 1px solid var(--line2); border-radius: 8px; overflow: hidden; }
.lang__btn { font-family: var(--mono); font-size: 11px; font-weight: 600; padding: 0 10px; border: 0;
  background: var(--surface2); color: var(--muted); cursor: pointer; }
.lang__btn + .lang__btn { border-left: 1px solid var(--line2); }
.lang__btn:hover { color: var(--accent); }
.lang__btn.is-active { background: var(--accent2); color: #fff; }
.icon-btn { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line2); border-radius: 8px; background: var(--surface2); color: var(--muted); cursor: pointer; }
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn .i-moon { display: none; }
:root[data-theme="light"] .icon-btn .i-sun { display: none; }
:root[data-theme="light"] .icon-btn .i-moon { display: block; }

/* layout */
.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 22px 20px 40px; flex: 1; }
.lead { color: var(--muted); font-size: 14.5px; margin: 4px 0 20px; }
.lead code { color: var(--ink); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 16px; box-shadow: var(--shadow); }
.panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 16px; font-size: 13px; color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--line); background: var(--surface2);
}

.input {
  width: 100%; min-height: 130px; resize: vertical; border: 0; outline: 0;
  background: transparent; color: var(--ink); padding: 14px 16px;
  font-family: var(--mono); font-size: 14px; line-height: 1.5;
}
.samples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 0 16px 14px; }
.samples__lbl { color: var(--muted); font-size: 12.5px; }
.sample {
  font-family: var(--mono); font-size: 12px; padding: 4px 10px; cursor: pointer;
  border: 1px dashed var(--line2); border-radius: 20px; background: transparent; color: var(--muted);
  max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sample:hover { color: var(--accent); border-color: var(--accent); }

.status { padding: 10px 16px; font-size: 13.5px; color: var(--muted); }

/* results */
.results { display: flex; flex-direction: column; }
.res {
  display: flex; align-items: flex-start; gap: 12px; padding: 13px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 55%, transparent);
}
.res:last-child { border-bottom: 0; }
.res.best { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.res__main { flex: 1 1 auto; min-width: 0; }
.res__text { font-family: var(--mono); font-size: 14.5px; color: var(--ink); word-break: break-word; white-space: pre-wrap; }
.res.best .res__text { font-weight: 600; }
.res__meta { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chain { font-family: var(--mono); font-size: 11px; color: var(--muted); background: var(--surface2); border: 1px solid var(--line2); border-radius: 20px; padding: 1px 9px; }
.best-badge { font-size: 11px; font-weight: 700; color: var(--accent-ink); background: var(--accent2); border-radius: 20px; padding: 1px 9px; }
.copy { flex: 0 0 auto; }

.mini-btn { font-size: 12px; padding: 4px 10px; border-radius: 7px; cursor: pointer; border: 1px solid var(--line2); background: var(--surface); color: var(--muted); }
.mini-btn:hover { color: var(--accent); border-color: var(--accent); }
.mini-btn.done { color: var(--good); border-color: var(--good); }
.btn {
  border: 1px solid var(--accent2); background: var(--accent2); color: #fff; font-weight: 600;
  border-radius: 8px; padding: 7px 14px; font-size: 13px; cursor: pointer;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.ctl { border: 1px solid var(--line2); background: var(--surface); color: var(--ink); border-radius: 8px; padding: 6px 9px; font-size: 13px; font-family: var(--mono); }

/* advanced / manual */
.advanced { margin-bottom: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); overflow: hidden; }
.advanced > summary { padding: 12px 16px; cursor: pointer; color: var(--muted); font-size: 13.5px; font-weight: 600; user-select: none; }
.advanced > summary:hover { color: var(--accent); }
.adv-body { padding: 0 16px 16px; }
.adv-row { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
.adv-row label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.adv-arrow { color: var(--muted); align-self: center; padding-bottom: 6px; }
.conv-out { margin-top: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); font-family: var(--mono); font-size: 14px; white-space: pre-wrap; word-break: break-word; }

/* about */
.about { margin-top: 24px; color: var(--muted); font-size: 14px; }
.about h2 { color: var(--ink); font-size: 16px; margin: 0 0 8px; }
.about p { margin: 0 0 10px; }
.about code { color: var(--ink); }

.head-btns { display: inline-flex; gap: 8px; }
.head-btns label { user-select: none; }

/* drag-and-drop overlay */
.drop-hint {
  position: fixed; inset: 12px; z-index: 50; display: none;
  align-items: center; justify-content: center; text-align: center; padding: 24px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border: 3px dashed var(--accent); border-radius: 16px;
  color: var(--accent); font-size: 18px; font-weight: 600; pointer-events: none;
}
body.dragging .drop-hint { display: flex; }

.foot { padding: 16px 20px; text-align: center; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }

@media (max-width: 560px) {
  .subtitle { display: none; }
  .sample { max-width: 150px; }
}