/* Cloudflare WAF rule generator — no external assets, no fetched fonts. */

/* Two palettes, selected by data-theme on <html>. js/theme-boot.js resolves the
   stored preference (auto/light/dark) before the first paint, so the OS setting
   is only consulted by script; the switch itself lives in js/theme.js. */
:root {
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #5b6470;
  --card: #f6f7f9;
  --card-2: #ffffff;
  --border: #dde1e6;
  --accent: #f6821f;
  --accent-ink: #1b1b1f;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --warn: #8a5a00;
  --warn-bg: #fff4d6;
  --ok: #116329;
  --code-bg: #f2f4f7;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #14161a;
  --fg: #e9ecf1;
  --muted: #9aa4b2;
  --card: #1b1f25;
  --card-2: #171b20;
  --border: #2c333b;
  --accent: #f6821f;
  --accent-ink: #14161a;
  --danger: #ff8a80;
  --danger-bg: #3a1b19;
  --warn: #e3b341;
  --warn-bg: #33280c;
  --ok: #6ee787;
  --code-bg: #0f1317;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 var(--font);
}

/* Buttons do not inherit text colour from the UA stylesheet (they default to
   the platform's button text colour), which is how the suggestion chips ended
   up black on black in the dark palette. Every button class must still win,
   but the inherited default is now the page colour. */
button { font: inherit; color: inherit; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.25rem; }

a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent); }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.5rem 0.75rem; border-radius: 0 0 var(--radius) 0;
}
.skip:focus { left: 0; top: 0; z-index: 10; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.site-header { border-bottom: 1px solid var(--border); padding: 2rem 0 1.5rem; margin-bottom: 1.5rem; }
.site-header .wrap { display: flex; gap: 1.5rem; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.site-header h1 { margin: 0 0 0.5rem; font-size: 1.6rem; line-height: 1.2; letter-spacing: -0.01em; }
.lead { margin: 0; max-width: 60ch; color: var(--muted); }
.header-side { display: flex; flex-direction: column; gap: 0.85rem; align-items: flex-end; }
.header-links { display: flex; gap: 1rem; font-size: 0.95rem; }
.header-links a { font-weight: 600; }

.theme-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-2);
}
.theme-switch .btn {
  min-height: 2rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.theme-switch .btn:first-child { border-radius: 7px 0 0 7px; }
.theme-switch .btn:last-child { border-radius: 0 7px 7px 0; }
.theme-switch .btn + .btn { border-left: 1px solid var(--border); }
.theme-switch .btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.theme-switch .btn[aria-pressed="true"]:hover { border-color: transparent; }

.notice {
  margin: 0 auto 1.5rem; max-width: 1240px; padding: 0.75rem 1rem;
  border: 1px solid var(--border); border-left: 4px solid var(--warn);
  background: var(--warn-bg); color: var(--fg); border-radius: var(--radius);
}

/* -- steps ------------------------------------------------------------- */

.stepper-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0 0.5rem;
  margin-bottom: 1.25rem;
}
.stepper { display: flex; gap: 0.15rem; overflow-x: auto; scrollbar-width: thin; }
.stepper [role="tab"] {
  display: inline-flex; align-items: center; gap: 0.45rem;
  position: relative;
  flex: 0 0 auto;
  padding: 0.4rem 0.65rem;
  font: inherit; font-size: 0.82rem; font-weight: 600;
  color: var(--muted); background: transparent;
  border: 1px solid transparent; border-radius: 8px;
  cursor: pointer; white-space: nowrap;
}
.stepper [role="tab"]:hover { color: var(--fg); border-color: var(--border); }
.stepper [role="tab"][aria-selected="true"] {
  color: var(--fg); background: var(--card); border-color: var(--border);
}
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.2rem; height: 1.2rem; border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.7rem; font-variant-numeric: tabular-nums;
}
/* State colours come first so the selected badge always keeps its dark ink on
   the orange disc; on the current step the state is carried by the label. */
.stepper [role="tab"].has-error .step-number { border-color: var(--danger); color: var(--danger); }
.stepper [role="tab"].has-warning .step-number { border-color: var(--warn); color: var(--warn); }
.stepper [role="tab"][aria-selected="true"] .step-number {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
}
.stepper [role="tab"][aria-selected="true"].has-error { color: var(--danger); }
.stepper [role="tab"][aria-selected="true"].has-warning { color: var(--warn); }

.status-strip {
  display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: baseline;
  margin: 0.45rem 0 0; font-size: 0.78rem; color: var(--muted);
}
.status-strip strong { color: var(--fg); }
.linklike {
  font: inherit; font-size: inherit; color: var(--muted);
  background: none; border: 0; padding: 0; cursor: pointer; text-align: left;
  text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 2px;
}
.linklike:hover { color: var(--fg); text-decoration-color: var(--accent); }
.linklike.has-issues { color: var(--danger); font-weight: 600; }

.step-panel { max-width: 52rem; scroll-margin-top: 7.5rem; }
.step-title:focus { outline: none; }
.step-panel[hidden] { display: none; }
.step-title { margin: 0 0 0.4rem; font-size: 1.35rem; letter-spacing: -0.01em; }
.step-lead { margin: 0 0 1rem; max-width: 68ch; color: var(--muted); }
.step-lead strong { color: var(--fg); }
.step-lead a { color: var(--fg); }

#step-output { max-width: none; }

.step-nav {
  scroll-margin-top: 7.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  max-width: 52rem;
  margin: 1.5rem 0 2rem; padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.step-position { margin: 0; font-size: 0.8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
#step-back[disabled] { visibility: hidden; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 0 0 1rem;
}

fieldset.card { padding: 1rem; }
fieldset.card legend {
  padding: 0 0.35rem;
  margin-left: -0.15rem;
  background: var(--card);
  font-weight: 700;
  font-size: 0.95rem;
}

.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > * { flex: 1 1 12rem; min-width: 0; }

.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.85rem; }
.field.inline { margin-bottom: 0; }
.field > span:first-child { font-weight: 600; font-size: 0.95rem; display: flex; gap: 0.5rem; align-items: center; }

.hint { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.85rem; }
.hint code, .notice code { background: var(--code-bg); padding: 0.05rem 0.3rem; border-radius: 4px; font-family: var(--mono); font-size: 0.85em; }

textarea, input[type="text"], input:not([type]), select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--fg);
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
textarea { font-family: var(--mono); resize: vertical; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.toggle {
  position: relative;
  display: block;
  padding-left: 1.7rem;
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
}
.toggle input {
  position: absolute;
  left: 0;
  top: 0.18rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--accent);
}
.toggle code { white-space: nowrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  position: relative;
  min-height: 2.25rem; padding: 0.4rem 0.8rem;
  font: inherit; font-size: 0.88rem; font-weight: 600;
  color: var(--fg); background: var(--card-2);
  border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; text-align: center;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.6; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.flash { border-color: var(--ok); color: var(--ok); }
/* A <label class="btn"> holding the visually hidden file input: the ring has to
   be drawn on the label, because the input itself is clipped. */
.btn:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

.button-row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.footer-actions { margin-top: 0.5rem; }

.presets { margin-bottom: 1rem; }
.presets-label { font-weight: 600; font-size: 0.95rem; }
.preset-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.5rem 0; }
.preset-tabs .btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.locked-note { margin: 0 0 0.75rem; padding: 0.45rem 0.6rem; border-radius: 8px;
  border: 1px dashed var(--border); background: var(--card-2); }
.pill-loaded { border-color: var(--ok); color: var(--ok); }
.pill-manual { border-color: var(--warn); color: var(--warn); }
.pill-off { color: var(--muted); }
.pill.over { border-color: var(--danger); color: var(--danger); }
fieldset[disabled] { opacity: 0.6; }
fieldset[disabled] .locked-note { opacity: 1; }

.pill {
  display: inline-block; padding: 0.05rem 0.45rem; border-radius: 999px;
  background: var(--card-2); border: 1px solid var(--border);
  font-size: 0.78rem; font-weight: 600; color: var(--muted);
}

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.35rem 0; }
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.15rem 0.25rem 0.15rem 0.55rem;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 999px;
  font-family: var(--mono); font-size: 0.8rem;
  color: var(--fg);
}
.chip button {
  border: 0; background: transparent; color: var(--muted);
  font: inherit; cursor: pointer; padding: 0 0.25rem; line-height: 1;
}
.chip button:hover { color: var(--danger); }
.chip.suggest { padding-right: 0.55rem; font-family: var(--font); cursor: pointer; }
.chip.suggest:hover { border-color: var(--accent); }
.chip.suggest[disabled] { opacity: 0.6; cursor: default; border-color: var(--border); }

.country-add { display: flex; gap: 0.5rem; align-items: center; max-width: 20rem; }
.country-add input { text-transform: uppercase; max-width: 7rem; }

.summary { margin-bottom: 1rem; }
.summary-head { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.summary-head + .summary-head { margin-top: 0.6rem; }
progress {
  width: 100%; height: 0.6rem; margin: 0.4rem 0 0.2rem;
  -webkit-appearance: none; appearance: none;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden;
}
progress::-webkit-progress-bar { background: var(--card-2); border-radius: 999px; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }

.messages { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.35rem; font-size: 0.85rem; }
.messages li { padding: 0.4rem 0.6rem; border-radius: 8px; border: 1px solid var(--border); background: var(--card-2); }
.messages li.error { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); }
.messages li.warn { border-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.messages li.ok { border-color: var(--ok); color: var(--ok); }

.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; flex-wrap: wrap; }
.tabs [role="tab"] {
  font: inherit; font-size: 0.92rem; font-weight: 600;
  padding: 0.55rem 0.85rem; color: var(--muted);
  background: transparent; border: 0; border-bottom: 3px solid transparent; cursor: pointer;
}
.tabs [role="tab"][aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); }

.tab-panel[hidden] { display: none; }

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

.rule-editor {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem;
  margin: 0 0 1rem;
}
.rule-editor header { display: flex; gap: 0.6rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.rule-editor h3 { margin: 0; font-size: 0.95rem; }
.rule-editor-controls { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin: 0.7rem 0 0.5rem; }
.rule-editor-controls .field.inline { margin: 0; flex: 0 0 auto; }
.rule-editor-controls .toggle { margin: 0; }
.rule-expression {
  width: 100%;
  min-height: 6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--fg);
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  resize: vertical;
}
.rule-editor .rule-state { margin: 0.4rem 0 0; }
.rule-editor .card-actions { margin-top: 0.6rem; }
.rule-editor.is-off { border-style: dashed; }
.rule-editor.is-off .rule-expression { opacity: 0.5; }

.rule-cards { display: grid; gap: 1rem; }
.rule-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.rule-card header { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.rule-card h3 { margin: 0; font-size: 0.98rem; }
.rule-meta { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.badge {
  font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.1rem 0.4rem; border-radius: 4px;
  background: var(--accent); color: var(--accent-ink);
}
.rule-card .code { margin: 0.6rem 0 0; max-height: 12rem; overflow: auto; }
.rule-card .card-actions { display: flex; gap: 0.5rem; align-items: center; margin-top: 0.6rem; flex-wrap: wrap; }
.rule-card.over { border-color: var(--danger); }

.code {
  margin: 0.5rem 0;
  padding: 0.75rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.code-head { display: flex; gap: 0.75rem; justify-content: space-between; align-items: center; margin-top: 1rem; flex-wrap: wrap; }
.code-head code { font-family: var(--mono); font-size: 0.8rem; word-break: break-all; }

h3 { font-size: 1rem; margin: 1.25rem 0 0.25rem; }

.upgrade { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 0.75rem; }
.upgrade summary { cursor: pointer; font-weight: 600; }
.upgrade ul { margin: 0.5rem 0 0; padding-left: 1.1rem; font-size: 0.88rem; }
.upgrade li { margin-bottom: 0.3rem; }

.site-footer { border-top: 1px solid var(--border); margin-top: 2.5rem; padding: 1.25rem; color: var(--muted); font-size: 0.85rem; }
.site-footer p { margin: 0; max-width: 90ch; }

@media (max-width: 620px) {
  .site-header { padding: 1.5rem 0 1rem; }
  .site-header h1 { font-size: 1.35rem; }
  .header-side { align-items: flex-start; }
  .rule-card .code { max-height: 9rem; }
}