:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-2: #f3f4f6;
  --bg-3: #e5e7eb;
  --text: #1a1a1a;
  --muted: #3f3f46;
  --link: #0b3d91;
  --border: #4b5563;
  --focus: #0b3d91;
  --danger-bg: #fde8ea;
  --danger-fg: #6b1020;
  --danger-btn: #9f1239;
  --danger-btn-fg: #ffffff;
  --ok: #14532d;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --bg-2: #1a212b;
  --bg-3: #243040;
  --text: #f4f6f8;
  --muted: #d5dbe3;
  --link: #b9d4ff;
  --border: #c5ced9;
  --focus: #ffd56a;
  --danger-bg: #3f1218;
  --danger-fg: #ffd5dc;
  --danger-btn: #9f1239;
  --danger-btn-fg: #ffffff;
  --ok: #b7f7c8;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f1419;
    --bg-2: #1a212b;
    --bg-3: #243040;
    --text: #f4f6f8;
    --muted: #d5dbe3;
    --link: #b9d4ff;
    --border: #c5ced9;
    --focus: #ffd56a;
    --danger-bg: #3f1218;
    --danger-fg: #ffd5dc;
    --danger-btn: #9f1239;
    --danger-btn-fg: #ffffff;
    --ok: #b7f7c8;
  }
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #ffffff;
    --bg-2: #f3f4f6;
    --bg-3: #e5e7eb;
    --text: #1a1a1a;
    --muted: #3f3f46;
    --link: #0b3d91;
    --border: #4b5563;
    --focus: #0b3d91;
    --danger-bg: #fde8ea;
    --danger-fg: #6b1020;
    --danger-btn: #9f1239;
    --danger-btn-fg: #ffffff;
    --ok: #14532d;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1.125rem;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--link); }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: 0.5rem;
  z-index: 1000;
  transform: translateY(-200%);
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 0.75rem;
  min-height: 24px;
  text-decoration: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
}

header[role="banner"],
footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

footer { border-bottom: 0; border-top: 1px solid var(--border); }

.brand {
  margin: 0;
  font-weight: 700;
}

header nav,
footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

header nav a,
footer a,
nav[aria-label="Main menu"] a,
button,
.dialog-actions button {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  min-width: 24px;
  padding: 0.4rem 0.75rem;
}

header nav a[aria-current="page"],
nav[aria-label="Main menu"] a[aria-current="page"] {
  background: var(--bg-3);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr) 16rem;
  gap: 1rem;
  padding: 1rem;
}

@media (max-width: 60rem) {
  .layout { grid-template-columns: 1fr; }
}

nav[aria-label="Main menu"] ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav[aria-label="Main menu"] li { margin: 0 0 0.25rem; }

main h1 { margin-top: 0; font-size: 1.75rem; }
main h2 { font-size: 1.25rem; }

.field { margin: 0 0 0.75rem; }

label { display: inline-flex; align-items: center; gap: 0.4rem; }

input,
select,
textarea,
button {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

input,
select {
  min-height: 2.75rem;
  padding: 0.35rem 0.5rem;
  min-width: min(12rem, 100%);
  max-width: 100%;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.5rem;
  height: 1.5rem;
  min-width: 1.5rem;
  min-height: 1.5rem;
  padding: 0;
}

fieldset label { min-height: 24px; margin-right: 0.75rem; }

button {
  background: var(--bg-3);
  cursor: pointer;
}

button.danger,
#confirmOk {
  background: var(--danger-btn);
  color: var(--danger-btn-fg);
  border-color: var(--danger-btn);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

caption {
  text-align: left;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }

img {
  max-width: 100%;
  height: auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
}

dl { margin: 0; }
dl div { margin: 0 0 0.5rem; }
dt { font-weight: 700; }
dd { margin: 0; }

pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.75rem;
  min-height: 3rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.sr-only-visible {
  padding: 0.35rem 1rem;
  background: var(--bg-2);
  color: var(--text);
  font-size: 1rem;
}

#alerts:not(:empty) {
  padding: 0.6rem 1rem;
  background: var(--danger-bg);
  color: var(--danger-fg);
  font-weight: 700;
}

aside ol,
#activityLog,
#templateList,
#apiKeyList { padding-left: 1.25rem; }

dialog {
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--border);
  max-width: 32rem;
  padding: 1rem;
}

dialog::backdrop { background: rgba(0, 0, 0, 0.65); }

.dialog-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }

code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  padding: 1.5rem;
}

.auth-gate.hidden { display: none; }

.auth-card {
  width: min(28rem, 100%);
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.auth-brand { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--link); }
.auth-card h1 { margin: 0.25rem 0; }
.auth-lead, .auth-foot { color: var(--text); }
.clerk-user-btn { margin-left: auto; display: flex; align-items: center; min-height: 24px; }
#clerkSignIn { min-height: 16rem; }

@media (forced-colors: active) {
  :focus-visible { outline: 3px solid CanvasText; }
}