:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e3e6ea;
  --accent: #128c7e;
  --accent-ink: #ffffff;
  --warn-bg: #fff8e6;
  --warn-line: #f0d089;
  --err: #c0392b;
  --ok: #1e7d51;
  --code-bg: #f0f2f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1c1f25;
    --ink: #e8eaed;
    --muted: #9aa1ab;
    --line: #2c313a;
    --accent: #25b39f;
    --accent-ink: #06231f;
    --warn-bg: #2a2417;
    --warn-line: #5c4c22;
    --err: #ef6a5c;
    --ok: #4ec78e;
    --code-bg: #24282f;
  }
}

* { box-sizing: border-box; }

/* The [hidden] attribute is only `display: none` at the UA-stylesheet level,
   so any later `display` rule silently outranks it -- .gate's `display: grid`
   did exactly that, leaving the login card painted over the signed-in panel.
   Restate it with enough weight to win. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 20px; margin: 0; }
h2 { font-size: 17px; margin: 28px 0 10px; }
h3 { font-size: 15px; margin: 22px 0 8px; }

.muted { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.err { color: var(--err); font-size: 13px; }

/* ------------------------------- login -------------------------------- */

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  width: 100%;
  max-width: 360px;
}

.card label {
  display: block;
  margin: 20px 0 6px;
  font-size: 13px;
  font-weight: 600;
}

/* ------------------------------- shell -------------------------------- */

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px max(20px, calc((100% - 860px) / 2));
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.headActions { display: flex; gap: 8px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 max(20px, calc((100% - 860px) / 2));
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.tab.active { color: var(--ink); border-bottom-color: var(--accent); }

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 140px;
}

/* ------------------------------ controls ------------------------------ */

input[type="text"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

textarea { min-height: 80px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

button {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.06); }
button:disabled { opacity: .5; cursor: default; filter: none; }

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

/* ------------------------------- groups ------------------------------- */

.group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 18px;
}

.group > h2 { margin-top: 0; }

.field { padding: 14px 0; border-top: 1px solid var(--line); }
.field:first-of-type { border-top: none; }

.field label.name {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.field .key {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
  font-weight: 400;
}

.field .help { font-size: 13px; color: var(--muted); margin: 0 0 9px; }

.field .fallback {
  font-size: 12px;
  color: var(--muted);
  margin: 6px 0 0;
}

.field .fieldErr { color: var(--err); font-size: 12px; margin-top: 6px; }

.notice, .warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}

.warn { margin: 14px 0; }

/* ------------------------------ sticky bar ---------------------------- */

/* Sits above the content rather than floating over it: a translucent bar
   was covering the last field, which is where the publish button is most
   likely to be needed. */
.stickyBar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  margin: 8px -20px 0;
  background: var(--card);
  border-top: 1px solid var(--line);
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, .07);
}

.status { font-size: 13px; }
.status.ok { color: var(--ok); }
.status.bad { color: var(--err); white-space: pre-wrap; }

/* -------------------------------- docs -------------------------------- */

.doc { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.doc h2:first-child { margin-top: 0; }

pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

pre {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 13px;
}

code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
pre code { background: none; padding: 0; }

table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }

.ruleTable td:first-child { white-space: nowrap; font-weight: 600; }

.docField {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.docField:first-child { border-top: none; }
.docField h3 { margin: 0 0 4px; }
.docField p { margin: 4px 0; font-size: 13px; }

.protected { margin-top: 24px; font-size: 13px; }
.protected summary { cursor: pointer; font-weight: 600; }

.groupHead h2 { margin-bottom: 0; }

/* Each section ends with its own publish/reset pair and its own status line,
   so the operator never has to look elsewhere to find out what happened. */
.groupFoot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line, #e5e7eb);
}
.groupFoot .status { font-size: 13px; }

button.small {
  font-size: 13px;
  padding: 6px 12px;
  flex-shrink: 0;
}

/* --------------------------- section tabs ---------------------------- */
/* Ten sections stacked made a very long page. They are now a list on the
   left with one section shown at a time. */

.editLayout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.groupTabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: sticky;
  top: 16px;
}

.sideTab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--muted);
  padding: 9px 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  line-height: 1.3;
}
.sideTab:hover { background: var(--card); color: var(--ink); }
.sideTab.active {
  background: var(--card);
  color: var(--ink);
  border-left-color: var(--accent);
}

.sideTabName { min-width: 0; }

/* How many keys in that section are set. Lets the operator see what is
   configured without opening all ten. */
.sideTabCount {
  flex-shrink: 0;
  min-width: 20px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
}

/* One section at a time, so it no longer needs a bottom margin. */
.editLayout .group { margin-bottom: 0; }

/* Below this width the sidebar becomes a scrollable strip above the fields. */
@media (max-width: 760px) {
  .editLayout {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }
  .groupTabs {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    gap: 4px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .sideTab {
    width: auto;
    flex-shrink: 0;
    border-left: none;
    border-bottom: 3px solid transparent;
    border-radius: 8px 8px 0 0;
    white-space: nowrap;
  }
  .sideTab.active { border-left: none; border-bottom-color: var(--accent); }
}