:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #5e6675;
  --border: #d9dde4;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
  --ok: #1d7a46;
  --err: #b42318;
  --drop: #eef3fb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1d2128;
    --text: #e6e8ec;
    --muted: #9aa2b1;
    --border: #343a45;
    --accent: #5b93e8;
    --accent-text: #0d1117;
    --ok: #4cc283;
    --err: #f2776b;
    --drop: #1f2835;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 960px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.muted { color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-top: 20px;
}
.hidden { display: none !important; }
.error { color: var(--err); }
.ok { color: var(--ok); }
label { display: block; font-weight: 600; margin: 10px 0 4px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 16px; }
button, .button {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--err); border-color: var(--err); }
button.small, .button.small { padding: 3px 8px; font-size: 0.85rem; }
button:disabled { opacity: 0.5; cursor: default; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 36px 16px;
  text-align: center;
  background: var(--drop);
  cursor: pointer;
}
.dropzone.active { border-color: var(--accent); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
td.num { text-align: right; white-space: nowrap; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.85em; word-break: break-all; }
progress { width: 100%; height: 8px; }
.linkbox { display: flex; gap: 8px; margin-top: 8px; }
.linkbox input { flex: 1; }
label.check { display: flex; gap: 8px; align-items: baseline; font-weight: normal; margin-top: 14px; }
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
/* Upload page: the choice between files and text is the first decision, so both options are large and equal. */
.choose { font-weight: 600; margin: 16px 0 8px; }
.tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 0 0 16px; }
.tabs button {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 14px 16px; text-align: left;
  background: var(--card); color: var(--text);
  border: 2px solid var(--border); border-radius: 10px;
}
.tabs button:hover { border-color: var(--accent); }
.tabs button[aria-selected=true] { background: var(--drop); border-color: var(--accent); }
.tabs .tab-title { font-size: 1.05rem; font-weight: 700; }
.tabs button[aria-selected=true] .tab-title { color: var(--accent); }
.tabs .tab-hint { font-size: 0.85rem; font-weight: normal; color: var(--muted); }
.badge { display: inline-block; padding: 0 6px; margin-right: 6px; border: 1px solid var(--border); border-radius: 4px; font-size: 0.8rem; color: var(--muted); }
pre.secret { white-space: pre-wrap; word-break: break-all; margin: 8px 0 0; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.withdraw { margin-top: 4px; }
tr.withdrawn td:first-child { text-decoration: line-through; color: var(--muted); }