:root {
  --bg: #f5f2ec;
  --card: #ffffff;
  --ink: #2b2620;
  --muted: #7a7062;
  --accent: #7a4a20;
  --accent-ink: #ffffff;
  --ok-bg: #e8f2e2; --ok-ink: #2e5522;
  --warn-bg: #fbeed7; --warn-ink: #7a5312;
  --err-bg: #f9e2dd; --err-ink: #8a2c1d;
  --edge: #e3dcd0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #201d18;
    --card: #2b2721;
    --ink: #ece6db;
    --muted: #a89d8c;
    --accent: #c98d4b;
    --accent-ink: #201d18;
    --ok-bg: #2c3a26; --ok-ink: #b9d8a8;
    --warn-bg: #40351d; --warn-ink: #e5c684;
    --err-bg: #442822; --err-ink: #eba393;
    --edge: #3a352c;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
main { flex: 1; display: flex; justify-content: center; padding: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--edge);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 34rem;
  height: fit-content;
}
.card.narrow { max-width: 22rem; }
.card.wide { max-width: 46rem; }
h1 { font-size: 1.25rem; margin-top: 0; }
label { display: block; margin: 1rem 0 0.3rem; font-weight: 600; font-size: 0.95rem; }
.hint { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
input[type="text"], input[type="password"], input[type="file"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
}
button, .button {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.6rem 1.3rem;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button.linkish {
  background: none;
  color: var(--muted);
  margin: 0;
  padding: 0;
  font-weight: 400;
  font-size: 0.9rem;
  text-decoration: underline;
}
.flash { padding: 0.7rem 1rem; border-radius: 8px; font-size: 0.95rem; }
.flash.ok { background: var(--ok-bg); color: var(--ok-ink); }
.flash.warn { background: var(--warn-bg); color: var(--warn-ink); }
.flash.error { background: var(--err-bg); color: var(--err-ink); }
a { color: var(--accent); }
header nav { font-size: 0.95rem; }
header nav a { text-decoration: none; margin: 0 0.2rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--edge); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
code { background: var(--bg); padding: 0.1rem 0.35rem; border-radius: 5px; font-size: 0.9em; }
.version { border-top: 1px solid var(--edge); margin-top: 1.2rem; padding-top: 0.8rem; }
.version h2 { font-size: 1rem; margin: 0 0 0.3rem; }
.uploads { margin: 0.4rem 0; padding-left: 1.2rem; font-size: 0.9rem; }
.actions { display: flex; gap: 0.8rem; align-items: center; flex-wrap: wrap; }
.actions .button, .actions button { margin-top: 0.4rem; }
button.danger { background: var(--err-bg); color: var(--err-ink); }
footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem;
}