:root {
  --bg: #f6f7f8; --fg: #1b1f23; --card: #fff; --muted: #6b7280; --line: #d9dde2;
  --accent: #0f766e; --ok: #15803d; --bad: #b91c1c; --warn: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171a; --fg: #e6e8ea; --card: #1d2125; --muted: #9aa3ad; --line: #30363d; --accent: #2dd4bf; --ok: #4ade80; --bad: #f87171; --warn: #fbbf24; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 12px 16px; }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.1rem; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { font-size: .8rem; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge[data-state="online"] { color: var(--ok); border-color: var(--ok); }
.badge[data-state="unauthorized"] { color: var(--bad); border-color: var(--bad); }
form { display: grid; gap: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
label { font-size: .9rem; color: var(--muted); }
input, textarea { width: 100%; padding: 10px; font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
/* Keep form fields at 16px: mobile browsers auto-zoom the page on focus for anything smaller. */
input, textarea { font-size: 16px; }
textarea { font-family: ui-monospace, Consolas, monospace; }
html { touch-action: manipulation; -webkit-text-size-adjust: 100%; }
button { font: inherit; padding: 10px 16px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; }
@media (prefers-color-scheme: dark) { button { color: #04201d; } }
button.link { background: none; color: var(--muted); text-decoration: underline; padding: 0; }
#log { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 10px; }
.entry { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.entry .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.entry code { overflow-wrap: anywhere; color: var(--muted); }
.entry .state { font-weight: 600; }
.entry[data-state^="ok"] .state { color: var(--ok); }
.entry[data-state^="http"] .state, .entry[data-state="timeout"] .state { color: var(--warn); }
.entry[data-state="rejected"] .state, .entry[data-state="invalid"] .state, .entry[data-state="failed"] .state { color: var(--bad); }
.out { margin: 8px 0 0; padding: 8px; max-height: 340px; overflow: auto; background: var(--bg); border-radius: 6px; font-size: .85rem; white-space: pre-wrap; overflow-wrap: anywhere; }
footer { display: flex; justify-content: space-between; color: var(--muted); font-size: .85rem; }
[hidden] { display: none !important; }