:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dfe3ea;
  --text: #1a1d24;
  --muted: #626b7d;
  --accent: #3b5bdb;
  --accent-text: #ffffff;
  --danger: #c92a2a;
  --danger-soft: #fff0f0;
  --success: #2b8a3e;
  --success-soft: #eefaf1;
  --warning: #a26a00;
  --warning-soft: #fff8e6;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 8px 24px -16px rgb(16 24 40 / 24%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --surface-2: #1e222b;
    --border: #2a2f3a;
    --text: #e4e7ee;
    --muted: #8b93a5;
    --accent: #6b8afd;
    --accent-text: #0f1115;
    --danger: #ff8787;
    --danger-soft: #2a1a1c;
    --success: #6ee7a0;
    --success-soft: #14251b;
    --warning: #ffd166;
    --warning-soft: #2a2314;
    --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 12px 32px -20px rgb(0 0 0 / 80%);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

/* ---------- layout ---------- */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 56px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand:hover { text-decoration: none; }
.brand svg { width: 20px; height: 20px; color: var(--accent); }

.nav { display: flex; gap: 0.25rem; margin-left: auto; align-items: center; flex-wrap: wrap; }

.nav a {
  color: var(--muted);
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  font-weight: 500;
}
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--surface-2); color: var(--text); }

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-left: 0.85rem;
  margin-left: 0.35rem;
  border-left: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.page-head { margin-bottom: 1.5rem; }
.page-head h1 { font-size: 1.6rem; margin: 0 0 0.25rem; letter-spacing: -0.02em; }
.page-head p { margin: 0; color: var(--muted); }

h2 { font-size: 1.1rem; margin: 0 0 0.25rem; letter-spacing: -0.01em; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}
.card > h2 + p.hint { margin-top: 0; }

.hint { color: var(--muted); font-size: 0.875rem; margin: 0 0 1rem; }

.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ---------- forms ---------- */

.field { margin-bottom: 1rem; }
.field:last-child { margin-bottom: 0; }

label { display: block; font-weight: 550; font-size: 0.875rem; margin-bottom: 0.35rem; }

input[type=text], input[type=password], input[type=number], input[type=email], select, textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

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

input[disabled], select[disabled] { opacity: 0.6; }

.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: flex-end; }
.row > .field { flex: 1 1 200px; margin-bottom: 0; }

.checkline { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.checkline input { width: auto; }
.checkline label { margin: 0; font-weight: 450; }

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-weight: 550;
  cursor: pointer;
  white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--muted); text-decoration: none; }
button[disabled] { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }

.btn-danger { color: var(--danger); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.825rem; }
.btn-link { background: none; border: none; padding: 0.3rem 0.4rem; color: var(--accent); font-weight: 500; }
.btn-link.danger { color: var(--danger); }

/* ---------- messages ---------- */

.alert {
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 1.25rem;
  border: 1px solid transparent;
  font-size: 0.925rem;
}
.alert-success { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.alert-error { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.alert-warning { background: var(--warning-soft); border-color: var(--warning); color: var(--warning); }

.validation { color: var(--danger); font-size: 0.875rem; margin: 0.35rem 0 0; }
.validation ul { margin: 0; padding-left: 1.1rem; }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 550; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:last-child td { border-bottom: none; }
td.actions { text-align: right; white-space: nowrap; }
td.actions form { display: inline; }
.table-wrap { overflow-x: auto; margin: 0 -0.25rem; }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
}
.badge-admin { color: var(--accent); border-color: var(--accent); }
.badge-ok { color: var(--success); border-color: var(--success); }
.badge-warn { color: var(--warning); border-color: var(--warning); }
.badge-off { color: var(--danger); border-color: var(--danger); }

.empty { color: var(--muted); text-align: center; padding: 2rem 1rem; }

/* ---------- dropzone ---------- */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: var(--surface); }
.dropzone.has-file { border-style: solid; border-color: var(--accent); }
.dropzone svg { width: 32px; height: 32px; color: var(--muted); margin-bottom: 0.5rem; }
.dropzone strong { display: block; }
.dropzone span { color: var(--muted); font-size: 0.875rem; }
.dropzone input[type=file] { display: none; }

progress { width: 100%; height: 8px; margin-top: 1rem; accent-color: var(--accent); }

/* ---------- copy field ---------- */

.copyfield { display: flex; gap: 0.5rem; }
.copyfield input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.825rem;
  background: var(--surface-2);
}

/* ---------- command snippets ---------- */

.snippet + .snippet { margin-top: 1.25rem; }

.snippet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.snippet-head label { margin: 0; }

.snippet textarea {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.825rem;
  line-height: 1.55;
  background: var(--surface-2);
  white-space: pre;
  overflow-x: auto;
  resize: vertical;
}

.snippet-hint { margin: 0.4rem 0 0; }

/* ---------- rule editors ---------- */

.examples { margin-bottom: 1rem; }
.examples-label { color: var(--muted); font-size: 0.875rem; margin: 0 0 0.5rem; }
.examples-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.rule-help { margin-top: 0.9rem; font-size: 0.875rem; }
.rule-help > summary {
  cursor: pointer;
  color: var(--muted);
  padding: 0.2rem 0;
  user-select: none;
}
.rule-help > summary:hover { color: var(--text); }
.rule-help ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.rule-help li + li { margin-top: 0.4rem; }

.rule-help-sample, .rules-readonly {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  margin: 0.75rem 0 0;
  overflow-x: auto;
}

.from-release { margin-top: 1.25rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.from-release .hint { margin-bottom: 0; }
.rules-readonly { margin-top: 0.6rem; }

textarea.rules {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.825rem;
  line-height: 1.55;
  background: var(--surface-2);
  white-space: pre;
  overflow-x: auto;
  resize: vertical;
  tab-size: 2;
}

.secret-box {
  background: var(--warning-soft);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.25rem;
}
.secret-box h2 { color: var(--warning); }
.secret-box .hint { margin-bottom: 0.75rem; }

.narrow { max-width: 420px; margin: 3rem auto; }
.narrow .page-head { text-align: center; }

.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.stack > * + * { margin-top: 1rem; }
.right { text-align: right; }

/* ---- function editor ---------------------------------------------------- */

.badge-error { color: var(--danger); border-color: var(--danger); }

.fe-tabs { display: flex; flex-wrap: wrap; gap: 0.25rem; margin-bottom: 0.5rem; }
.fe-tab { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); }
.fe-tab.active { border-color: var(--accent); background: var(--surface); }
.fe-tab-name, .fe-tab-close, .fe-tab-add {
  border: 0; background: none; padding: 0.3rem 0.6rem; font: inherit; font-size: 0.85rem; cursor: pointer; color: var(--text);
}
.fe-tab-name { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.fe-tab-close { padding-left: 0; color: var(--muted); }
.fe-tab-close:hover { color: var(--danger); }
.fe-tab-add { color: var(--accent); border: 1px dashed var(--border); border-radius: 6px; }

.fe-editor { height: 60vh; min-height: 320px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.fe-textarea {
  width: 100%; height: 100%; border: 0; border-radius: 0; resize: none; padding: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; tab-size: 4;
}

.fe-toolbar { display: flex; align-items: center; gap: 0.5rem; margin: 0.75rem 0 0.25rem; flex-wrap: wrap; }
.fe-status-ok { color: var(--success); }
.fe-status-warn { color: var(--warning); }
.fe-status-error { color: var(--danger); }

.fe-problem-list { list-style: none; padding: 0; margin: 0.5rem 0 0; font-size: 0.9rem; }
.fe-problem-list li { padding: 0.3rem 0.5rem; border-left: 3px solid var(--border); cursor: pointer; }
.fe-problem-list li:hover { background: var(--bg); }
.fe-problem-error { border-left-color: var(--danger) !important; }
.fe-problem-warning { border-left-color: var(--warning) !important; }

.fe-method { max-width: 9rem; }
.fe-result { margin-top: 1rem; }
.fe-response-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.fe-body, .fe-error {
  max-height: 32rem; overflow: auto; padding: 0.75rem; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); font-size: 0.85rem; white-space: pre-wrap; word-break: break-word;
}
.fe-error { color: var(--danger); background: var(--danger-soft); }
.fe-image { padding: 0.75rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); }
.fe-image img { max-width: 100%; height: auto; display: block; }
.fe-frame { width: 100%; height: 70vh; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.fe-view-tabs { display: flex; gap: 0.25rem; margin-bottom: 0.5rem; }
.fe-headers { margin-top: 0.75rem; }

.fn-upload { margin-top: 1rem; }
.fn-mode { border: 0; padding: 0; margin: 0 0 1rem; display: grid; gap: 0.4rem; }
.fn-mode .checkline { align-items: flex-start; font-weight: 400; margin: 0; }
.fn-mode .checkline input { margin-top: 0.2rem; }
.fn-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.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;
}

.fn-files { list-style: none; padding: 0; margin: 0 0 0.35rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.fn-file { display: inline-flex; align-items: center; gap: 0.15rem; padding: 0.15rem 0.3rem 0.15rem 0.55rem;
           border: 1px solid var(--border); border-radius: 6px; background: var(--bg); font-size: 0.875rem; }
.fn-file form { display: inline; margin: 0; }
.fn-file-remove { border: 0; background: none; padding: 0 0.3rem; min-height: 0; font-size: 1rem; line-height: 1;
                  color: var(--muted); cursor: pointer; }
.fn-file-remove:hover { color: var(--danger); }
.fn-meta { margin: 0 0 0.5rem; font-size: 0.875rem; }

.dropzone-sm { display: flex; align-items: center; gap: 0.85rem; padding: 0.9rem 1.1rem; text-align: left; }
.dropzone-sm svg { width: 24px; height: 24px; margin: 0; flex: none; }
.dropzone-sm strong { overflow-wrap: anywhere; }
.dropzone.invalid { border-color: var(--danger); }
.dropzone.invalid span { color: var(--danger); }
span.label { display: block; font-weight: 550; font-size: 0.875rem; margin-bottom: 0.35rem; }

/* ---- diagnostics ---- */

/* A note from the server about the build rather than something to fix, so it reads quieter
   than a warning and has nowhere to jump to. */
.fe-problem-list li.fe-problem-info { color: var(--muted); cursor: default; }
.fe-problem-list li.fe-problem-info:hover { background: none; }

/* ---- variables ---- */

.variables td { vertical-align: top; }
.var-description { font-size: 0.825rem; margin-top: 0.15rem; max-width: 22rem; }
.var-value { display: inline-block; max-width: 20rem; overflow-wrap: anywhere; white-space: pre-wrap; }
.var-source, .var-note { font-size: 0.8rem; }
.var-note { color: var(--warning); }
.var-badges { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0.25rem; }
td.actions form.var-edit { display: inline-flex; align-items: center; gap: 0.4rem; }
.var-edit input { width: 13rem; padding: 0.3rem 0.5rem; font-size: 0.875rem; }
td.actions .validation { white-space: normal; text-align: left; max-width: 24rem; margin-left: auto; }
.var-add { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.var-add h3 { font-size: 0.95rem; margin: 0 0 0.25rem; }
.var-flags { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin: 0.75rem 0 1rem; }

/* ---- middleware ---- */

/* Headings on the Functions card: over the Middleware table, and over Routes when both show. */
.fn-subhead { font-size: 0.95rem; margin: 1rem 0 0.25rem; }
.fn-subhint { margin: 0 0 0.35rem; }

/* ---- ai ---- */

.ai-add-second { margin-top: 0.75rem; }
.ai-add .validation { margin-top: 0.75rem; }
.ai-url { overflow-wrap: anywhere; max-width: 18rem; }

/* Each provider's edit form sits in a row of its own, tucked under the provider's row. */
.ai-providers tr:has(+ .ai-edit-row) td { border-bottom: none; }
.ai-edit-row td { padding-top: 0; }
.ai-edit-row summary { cursor: pointer; color: var(--muted); font-size: 0.875rem; width: fit-content; user-select: none; }
.ai-edit-row summary:hover { color: var(--text); }
.row.ai-edit { margin-top: 0.75rem; }
.row.ai-edit > .field { flex: 1 1 170px; }

.ai-prompt { margin-top: 1rem; }
.ai-prompt textarea { resize: vertical; }
.ai-warning { color: var(--warning); margin: 0.5rem 0 1rem; }
.ai-remove { margin-top: 0.75rem; }
.ai-snippet { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border); }

/* ---- jobs ---- */

/* The Functions card's line saying whether the live functions are loaded. */
.fn-status { margin: 0 0 0.5rem; font-size: 0.875rem; }

/* A job's or background service's last error: a message, so let it wrap. */
.fn-error { color: var(--danger); font-size: 0.875rem; overflow-wrap: anywhere; min-width: 10rem; max-width: 24rem; }

/* ---- realtime ---- */

/* The site page's Realtime card: a short table of groups, then the two snippets under a rule. */
.rt-groups { max-width: 32rem; margin-bottom: 0.5rem; }
.rt-groups td.mono { overflow-wrap: anywhere; }
.rt-snippets { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border); }