:root {
  --bg: #f3f4f6; --card: #fff; --text: #1f2933; --muted: #616e7c; --border: #d9dee4;
  --accent: #305496; --accent-text: #fff; --good: #1f7a4d; --warn: #9a6700; --bad: #b42318;
  --good-bg: #e6f4ec; --warn-bg: #fff4d6; --bad-bg: #fde8e7; --info-bg: #e8eef8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1f24; --card: #262a31; --text: #e6e8eb; --muted: #9aa5b1; --border: #3a3f47;
    --accent: #6d8fd0; --accent-text: #0e1420; --good: #6fcf97; --warn: #f2c94c; --bad: #f28b82;
    --good-bg: #1f3329; --warn-bg: #3a3220; --bad-bg: #3d2423; --info-bg: #23304a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
code { font-size: .9em; }

.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding: 10px 24px; background: #505050; color: #fff; }
.topbar a { color: #fff; text-decoration: none; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: .04em; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 16px; flex: 1; }
.topbar nav a { opacity: .85; } .topbar nav a:hover { opacity: 1; text-decoration: underline; }
.account { display: flex; align-items: center; gap: 10px; }
.account form { margin: 0; }
.role { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: rgba(255,255,255,.15); }
button.link { background: none; border: 0; color: #fff; padding: 0; cursor: pointer; font: inherit; text-decoration: underline; }

main { max-width: 1000px; margin: 24px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px 24px; margin-bottom: 20px; overflow-x: auto; }
.card.narrow { max-width: 440px; margin-left: auto; margin-right: auto; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
h1 { font-size: 22px; margin: 0 0 16px; } h2 { font-size: 18px; margin: 0 0 12px; }
.card-head h1, .card-head h2 { margin-bottom: 12px; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.field label { font-weight: 600; }
.field label.check { font-weight: normal; display: flex; gap: 8px; align-items: center; }
input[type=text], input[type=password], input[type=search], input:not([type]), select {
  font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); color: var(--text); max-width: 100%;
}
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.hint { color: var(--muted); } .error { color: var(--bad); }
fieldset.segmented { border: 0; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 8px; }
fieldset.segmented legend { font-weight: 600; margin-bottom: 4px; }
fieldset.segmented label { display: flex; gap: 6px; align-items: center; padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; }
fieldset.segmented label:has(input:checked) { border-color: var(--accent); background: var(--info-bg); }

button, .button, input[type=submit] {
  font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--border); background: var(--card); color: var(--text);
  cursor: pointer; text-decoration: none; display: inline-block;
}
.primary, input[type=submit].primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.actions { display: flex; gap: 16px; align-items: center; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; background: var(--info-bg); }
.flash.success { background: var(--good-bg); color: var(--good); }
.flash.warning { background: var(--warn-bg); color: var(--warn); }
.flash.error { background: var(--bad-bg); color: var(--bad); }
.notice { background: var(--warn-bg); color: var(--warn); padding: 8px 12px; border-radius: 6px; }
.meta { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
td .button { padding: 3px 10px; font-size: 13px; }
tr.highlight td { background: var(--good-bg); }
td.empty { color: var(--muted); text-align: center; padding: 24px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--info-bg); }
.tag.good { background: var(--good-bg); color: var(--good); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.bad { background: var(--bad-bg); color: var(--bad); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.pager { display: flex; gap: 16px; justify-content: center; margin-top: 12px; color: var(--muted); }
.roles { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin-top: 20px; color: var(--muted); font-size: 13px; }
.roles dt { font-weight: 600; }
.roles dd { margin: 0; }

@media (max-width: 640px) {
  .topbar { padding: 10px 16px; }
  .topbar nav { order: 3; flex-basis: 100%; }
  .account { margin-left: auto; }
  .card { padding: 16px; }
}