:root {
  --bg: #f3f5f8;
  --card: #ffffff;
  --ink: #18202b;
  --muted: #5b6676;
  --line: #d9dfe7;
  --accent: #1d8fb3;
  --accent-ink: #ffffff;
  --good: #1f8a4c;
  --warn: #a86a00;
  --bad: #c0392b;
  --zone: #eef6f9;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141b;
    --card: #18202a;
    --ink: #e7edf4;
    --muted: #97a3b3;
    --line: #2a3542;
    --accent: #4cc3e6;
    --accent-ink: #06232d;
    --good: #4fcf86;
    --warn: #f0b44c;
    --bad: #ff7b6e;
    --zone: #13232b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141b; --card: #18202a; --ink: #e7edf4; --muted: #97a3b3; --line: #2a3542;
  --accent: #4cc3e6; --accent-ink: #06232d; --good: #4fcf86; --warn: #f0b44c; --bad: #ff7b6e; --zone: #13232b;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 24px 16px 48px; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.brand h1 { margin: 0; font-size: 1.5rem; line-height: 1.1; }
.brand p { margin: 0; color: var(--muted); font-size: .95rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 1.15rem; }
summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 12px; }
label { display: block; margin: 0 0 12px; font-weight: 600; font-size: .95rem; }
.opt { font-weight: 400; color: var(--muted); }
input, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}
input:focus, textarea:focus, button:focus-visible, .zone:focus-within { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  appearance: none;
  border: 0;
  border-radius: 9px;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: .45; cursor: default; }
button.link { background: none; color: var(--accent); padding: 4px 6px; font-weight: 500; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.row h2 { margin-bottom: 12px; }
.zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 28px 12px;
  border: 2px dashed var(--line);
  border-radius: 12px;
  background: var(--zone);
  text-align: center;
  cursor: pointer;
}
.zone.over { border-color: var(--accent); }
.zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.zone span, .zone small { color: var(--muted); font-weight: 400; }
.list { list-style: none; margin: 14px 0 0; padding: 0; }
.list li { padding: 10px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; }
.list .name { overflow-wrap: anywhere; font-weight: 500; }
.list .size, .list .sub { color: var(--muted); font-size: .9rem; white-space: nowrap; }
.list .sub { margin-top: 2px; }
.list .empty { color: var(--muted); }
.list li.bad .state { color: var(--bad); }
.list li.good .state { color: var(--good); }
.state { display: block; font-size: .9rem; color: var(--muted); }
progress { width: 100%; height: 8px; margin: 6px 0 2px; accent-color: var(--accent); }
.badge { font-weight: 600; }
.badge.delivered { color: var(--good); }
.badge.held { color: var(--warn); }
.badge.blocked { color: var(--bad); }
.badge.wait { color: var(--muted); }
.msg { min-height: 1.5em; margin: 10px 0 0; color: var(--bad); }
.hint { color: var(--muted); font-size: .9rem; margin: 12px 0 0; }