:root {
   --bg: #f4f5f7;
   --card: #ffffff;
   --text: #1d2330;
   --muted: #5b6475;
   --accent: #0b5cad;
   --accent-hover: #094a8b;
   --error-bg: #fdecec;
   --error: #a32020;
}
@media (prefers-color-scheme: dark) {
   :root {
      --bg: #15181e;
      --card: #1f232b;
      --text: #e6e8ec;
      --muted: #a0a8b6;
      --accent: #4c9be8;
      --accent-hover: #6aaef0;
      --error-bg: #3a1f22;
      --error: #f1a3a3;
   }
}
* { box-sizing: border-box; }
body {
   margin: 0;
   font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
   background: var(--bg);
   color: var(--text);
}
a { color: var(--accent); }
.topbar {
   display: flex;
   justify-content: space-between;
   align-items: center;
   gap: 16px;
   padding: 12px 16px;
   background: var(--card);
   border-bottom: 1px solid rgba(127, 127, 127, .2);
}
.brand { font-weight: 600; }
.who { color: var(--muted); font-size: .9rem; }
main { max-width: 960px; margin: 32px auto; padding: 0 16px; }
.card {
   background: var(--card);
   border-radius: 8px;
   padding: 24px;
   box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}
.login { max-width: 420px; margin: 64px auto; text-align: center; }
.login p { color: var(--muted); }
h1 { margin-top: 0; font-size: 1.4rem; }
.button {
   display: inline-block;
   padding: 10px 20px;
   border-radius: 6px;
   background: var(--accent);
   color: #fff;
   text-decoration: none;
   font-weight: 600;
}
.button:hover { background: var(--accent-hover); }
.error {
   background: var(--error-bg);
   color: var(--error);
   padding: 8px 12px;
   border-radius: 6px;
}
h2 { margin-top: 0; font-size: 1.15rem; }
.card + .card, .notice + .card, .error + .card { margin-top: 16px; }
.notice {
   background: var(--card);
   border-left: 4px solid var(--accent);
   padding: 8px 12px;
   border-radius: 6px;
}
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid rgba(127, 127, 127, .2); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
form.request { display: grid; gap: 12px; max-width: 560px; }
form.request label { display: grid; gap: 4px; color: var(--muted); font-size: .9rem; }
form.request input, form.request textarea {
   font: inherit;
   color: var(--text);
   background: var(--bg);
   border: 1px solid rgba(127, 127, 127, .35);
   border-radius: 6px;
   padding: 8px;
}
form.request button { justify-self: start; border: 0; cursor: pointer; font: inherit; font-weight: 600; }