/* Every colour on the page. The ground and ink are did.bot's green-black
   and green-white (site/src/styles/global.css); the neon is this page's own.
   Every text colour here is at least 4.5:1 against --ground, --panel,
   --inset and --lattice-on, and --line at least 3:1. */
:root {
  color-scheme: dark;

  --ground: #040d08;
  --panel: #0a1a11;
  --inset: #020705;
  --ink: #e2f5e8;
  --muted: #8fbb9c;
  --neon: #39ff88;
  --line: #1c7f45;
  --glow: rgba(57, 255, 136, 0.28);
  --warn: #ffc24d;
  --error: #ff6b86;

  /* The lattice behind the page, drawn by src/lattice.ts. */
  --lattice-on: #0b2616;
  --lattice-off: #061209;

  /* Highlighted JSON and Cedar: src/ui/policy-syntax.ts, src/ui/regex-parts.ts
     and src/ui/cedar-tokens.ts. */
  --syn-punct: #72a283;
  --syn-key: #7ee0b5;
  --syn-string: var(--ink);
  --syn-number: #ffb870;
  --syn-literal: #ff8fcf;
  --syn-type: var(--neon);
  --syn-kind: #d4ff4f;
  --syn-ref: #6fd8ff;
  --syn-regex: #ffe07a;
  --syn-regex-op: #6fd8ff;
  --syn-regex-escape: #ff9a57;
  --syn-regex-class: #a9b4ff;
  --syn-regex-group: #ff8fcf;
  --syn-placeholder: #e0b3ff;
  /* Cedar's own roles, in colours the JSON already uses. */
  --syn-var: var(--syn-number);
  --syn-op: var(--syn-regex-op);
  --syn-annotation: var(--syn-literal);
  --syn-comment: var(--muted);

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", "DejaVu Sans Mono", Menlo, Consolas,
    monospace;

  font: 15px/1.55 var(--mono);
  color: var(--ink);
  background: var(--ground);
  accent-color: var(--neon);
  scrollbar-color: var(--line) var(--inset);
}

body {
  margin: 0;
}

/* The lattice, and over it scanlines and a vignette. Both sit behind the
   page and take no input. */
#lattice,
body::after {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

#lattice {
  image-rendering: pixelated;
}

body::after {
  content: "";
  background:
    repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0, 0, 0, 0.28) 2px 3px),
    radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(0, 0, 0, 0.6) 100%);
}

::selection {
  background: var(--neon);
  color: var(--ground);
}

.masthead,
main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.masthead {
  border-bottom: 1px solid var(--line);
}

main {
  padding-bottom: 4rem;
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: 1.5rem;
  margin: 0.5rem 0;
  color: var(--neon);
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px var(--glow);
}

h2 {
  font-size: 1.15rem;
  margin: 2.25rem 0 0.5rem;
  color: var(--neon);
  text-shadow: 0 0 10px var(--glow);
}

h2::before {
  content: "// ";
  content: "// " / "";
  color: var(--muted);
  text-shadow: none;
}

h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* The UA sheet sets these to the bare generic `monospace`. */
pre,
code {
  font-family: var(--mono);
}

pre,
textarea.mono {
  font-size: 0.9rem;
}

.mono,
code {
  overflow-wrap: anywhere;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.account {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.2rem 0.75rem;
  margin: 0.5rem 0;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.card,
.editor {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

.editor {
  display: grid;
  gap: 0.75rem;
  margin: 0.75rem 0;
  border-color: var(--neon);
  box-shadow: 0 0 0 1px var(--glow), 0 0 18px var(--glow);
}

.editor h3 {
  color: var(--neon);
}

.field {
  display: grid;
  gap: 0.25rem;
}

label,
legend,
.label {
  font-weight: 600;
}

/* src/ui/document-editor.ts: CodeMirror, in a shadow root of its own. */
.document-editor {
  display: block;
  border-radius: 4px;
}

.document-editor:focus-within {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  box-shadow: 0 0 12px var(--glow);
}

.field-problems:empty {
  display: none;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  font: inherit;
  color: inherit;
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.35rem 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
  border-color: var(--neon);
}

input[readonly] {
  color: var(--muted);
  border-style: dashed;
}

textarea.mono {
  line-height: 1.5;
  caret-color: var(--neon);
}

fieldset.checkboxes {
  border: 1px solid var(--line);
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

fieldset.checkboxes label {
  font-weight: normal;
}

form.sign-in {
  display: grid;
  gap: 0.5rem;
  max-width: 28rem;
}

a {
  color: var(--neon);
}

button,
a.button {
  display: inline-block;
  text-decoration: none;
  line-height: normal;
}

button,
a.button {
  font: inherit;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--inset);
  color: var(--ink);
  cursor: pointer;
}

button:hover:not(:disabled),
a.button:hover {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 8px var(--glow);
}

button[type="submit"],
.primary,
a.button.primary {
  border-color: var(--neon);
  color: var(--neon);
}

button[type="submit"]:hover:not(:disabled),
.primary:hover:not(:disabled),
a.button.primary:hover {
  background: var(--neon);
  color: var(--ground);
}

button.danger,
button.danger:hover:not(:disabled) {
  border-color: var(--error);
  color: var(--error);
  box-shadow: none;
}

button.danger:hover:not(:disabled) {
  background: var(--error);
  color: var(--ground);
}

button.link,
button.link:hover:not(:disabled) {
  border: none;
  background: none;
  box-shadow: none;
  padding: 0 0.25rem;
}

button:disabled {
  opacity: 0.5;
  border-style: dashed;
  cursor: default;
}

@media (prefers-reduced-motion: no-preference) {
  button {
    transition:
      background-color 120ms,
      box-shadow 120ms;
  }
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.status {
  margin: 0.25rem 0;
  font-weight: 600;
}

.status.ok,
.status.matching {
  color: var(--neon);
}

.status.behind,
.status.checking {
  color: var(--warn);
}

.status.error,
.status.unreachable {
  color: var(--error);
}

.problems {
  list-style: none;
  margin: 0.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.problems li {
  border-left: 3px solid;
  padding: 0.15rem 0 0.15rem 0.6rem;
}

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

.problems .warning {
  border-color: var(--warn);
}

/* A message may be several lines, such as a regex error with its caret. */
.problems .message {
  display: block;
  white-space: pre-wrap;
  font-size: 0.9rem;
}

.problems .severity {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border: 1px solid;
  border-radius: 3px;
  padding: 0 0.3rem;
}

.problems .error .severity {
  color: var(--error);
}

.problems .warning .severity {
  color: var(--warn);
}

pre.verbatim {
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 24rem;
  line-height: 1.5;
}

/* Highlighted JSON and Cedar. The class names are src/ui/policy-syntax.ts's,
   src/ui/regex-parts.ts's and src/ui/cedar-tokens.ts's. */
.tok-punct {
  color: var(--syn-punct);
}

.tok-key {
  color: var(--syn-key);
}

.tok-str {
  color: var(--syn-string);
}

.tok-num {
  color: var(--syn-number);
}

.tok-lit {
  color: var(--syn-literal);
}

.tok-type {
  color: var(--syn-type);
  text-shadow: 0 0 8px var(--glow);
}

.tok-kind {
  color: var(--syn-kind);
  font-weight: 700;
}

.tok-did,
.tok-uri {
  color: var(--syn-ref);
}

.tok-var {
  color: var(--syn-var);
}

.tok-op {
  color: var(--syn-op);
}

.tok-anno {
  color: var(--syn-annotation);
}

.tok-comment {
  color: var(--syn-comment);
  font-style: italic;
}

.tok-regex {
  color: var(--syn-regex);
}

.re-op {
  color: var(--syn-regex-op);
  font-weight: 700;
}

.re-escape {
  color: var(--syn-regex-escape);
}

.re-class {
  color: var(--syn-regex-class);
}

.re-group {
  color: var(--syn-regex-group);
  font-weight: 700;
}

.tok-ph {
  color: var(--syn-placeholder);
  background: rgba(224, 179, 255, 0.1);
  outline: 1px dashed var(--syn-placeholder);
  outline-offset: -1px;
  border-radius: 2px;
}

.picker {
  display: grid;
  gap: 0.25rem;
  position: relative;
}

.chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.25rem 0.1rem 0.6rem;
  background: var(--inset);
}

.detail {
  color: var(--muted);
  font-size: 0.85rem;
}

.suggestions {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--neon);
  border-radius: 4px;
  background: var(--panel);
  box-shadow: 0 0 12px var(--glow);
  max-height: 16rem;
  overflow-y: auto;
}

.suggestions [role="option"] {
  padding: 0.3rem 0.5rem;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.suggestions [aria-selected="true"],
.suggestions [data-combobox-option-default="true"] {
  background: var(--neon);
  color: var(--ground);
}

.suggestions [aria-selected="true"] .detail,
.suggestions [data-combobox-option-default="true"] .detail {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  box-shadow: 0 0 12px var(--glow);
}

[hidden] {
  display: none !important;
}

/* Sections: a nav of links, one per view. */
.tabs ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 1rem 0 0;
  padding: 0;
}

.tabs a {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  background: var(--inset);
  color: var(--ink);
  text-decoration: none;
}

.tabs a[aria-current="page"] {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 10px var(--glow);
}

.tabs a[aria-disabled="true"] {
  color: var(--muted);
  border-style: dashed;
  cursor: not-allowed;
}

/* The batch, above every view while signed in. */
.tray {
  max-width: 64rem;
  margin: 0.75rem auto 0;
  padding: 0 1.25rem;
}

.tray-body {
  background: var(--panel);
  border: 1px solid var(--warn);
  border-radius: 6px;
  padding: 0.5rem 1rem;
}

.tray-body summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--warn);
}

ul.plain {
  list-style: none;
  margin: 0.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.op-kind {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid;
  border-radius: 3px;
  padding: 0 0.3rem;
}

.op.create .op-kind {
  color: var(--neon);
}

.op.update .op-kind {
  color: var(--warn);
}

.op.delete .op-kind {
  color: var(--error);
}

/* Whether a policy applies to anyone. Unbound is loud on purpose. */
.status.applied {
  color: var(--neon);
}

.status.unbound {
  color: var(--warn);
  border: 1px solid var(--warn);
  border-left-width: 4px;
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  background: var(--inset);
}

.callout.unbound {
  margin: 0.5rem 0;
}

/* The steps of a flow. */
.steps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 1rem;
  padding: 0;
}

.steps li {
  padding: 0.2rem 0.7rem;
  border: 1px dashed var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--inset);
}

.steps li.reached {
  border-style: solid;
  color: var(--ink);
}

.steps li[aria-current="step"] {
  border: 1px solid var(--neon);
  color: var(--neon);
  box-shadow: 0 0 10px var(--glow);
  font-weight: 600;
}

/* Back and Next stay in view however long the step. */
.wizard-nav {
  position: sticky;
  bottom: 0;
  z-index: 1;
  margin-top: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  background: var(--ground);
}

fieldset.choices {
  border: 1px solid var(--line);
  border-radius: 4px;
  display: grid;
  gap: 0.35rem;
  margin: 0.75rem 0;
}

fieldset.choices label {
  font-weight: normal;
}

.diff {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 0.75rem;
}

.diff-side {
  min-width: 0;
}

/* The catalog: names and descriptions only. */
.catalog {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.catalog li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.5rem 1rem;
}

.catalog p {
  margin: 0.25rem 0 0;
}

.choice button {
  padding: 0.5rem 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* A heading focused so a screen reader starts there, not as a control. */
h2[tabindex="-1"]:focus {
  outline: none;
  box-shadow: none;
}

.wizard h3 {
  margin: 1.25rem 0 0.4rem;
}

.card h4 {
  margin: 0 0 0.5rem;
}

/* How many policies apply to nobody, on the tab that lists them. */
.badge {
  margin-left: 0.4rem;
  padding: 0 0.35rem;
  border: 1px solid var(--warn);
  border-radius: 999px;
  color: var(--warn);
  font-size: 0.8rem;
  font-weight: 700;
}

/* The confirm step's own warning: louder than a line of text. */
.callout.unbound {
  border: 1px solid var(--warn);
  border-left-width: 4px;
  border-radius: 4px;
  background: var(--inset);
  padding: 0.5rem 1rem;
}

.callout.unbound h4 {
  margin: 0.25rem 0;
  color: var(--warn);
}

/* Saving a policy that applies to nobody: a way off the way through. */
.unbound-path {
  margin-top: 1rem;
  border: 1px dashed var(--line);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
}

.unbound-path summary {
  cursor: pointer;
  color: var(--muted);
}

.status.saved {
  border: 1px solid var(--neon);
  border-radius: 4px;
  padding: 0.35rem 0.8rem;
  background: var(--inset);
}

/* The simulator: what is being asked on one side, what the policies say on
   the other. */
.simulator .panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

@media (max-width: 900px) {
  .simulator .panes {
    grid-template-columns: minmax(0, 1fr);
  }
}

.simulator fieldset {
  margin: 0 0 1rem;
}

.simulator textarea.request {
  width: 100%;
  resize: vertical;
}

.simulator .toggle {
  display: block;
  margin: 0.35rem 0;
}

.simulator .advanced {
  border: 1px dashed var(--line);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
}

.simulator .advanced summary {
  cursor: pointer;
  color: var(--muted);
}

/* The verdict, loud either way: it is the answer the page exists to give. */
.verdict .status {
  border: 1px solid;
  border-left-width: 4px;
  border-radius: 4px;
  padding: 0.5rem 0.8rem;
  background: var(--inset);
  font-size: 1.05rem;
}

.verdict .status.allowed {
  color: var(--neon);
}

.verdict .status.denied {
  color: var(--error);
}

.policy-rows {
  list-style: none;
  margin: 0.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.policy-rows li {
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: 4px;
  padding: 0.35rem 0.7rem;
  background: var(--panel);
}

.policy-rows li.deny,
.policy-rows li.freeze {
  border-color: var(--error);
}

.policy-rows li.allow {
  border-color: var(--line);
}

.policy-rows.quiet li {
  border-left-width: 1px;
  background: none;
  color: var(--muted);
}

.policy-row .outcome {
  font-weight: 600;
  margin-right: 0.5rem;
}

.policy-row.deny .outcome,
.policy-row.freeze .outcome {
  color: var(--error);
}

.policy-row.allow .outcome {
  color: var(--neon);
}

.policy-row .where,
.policy-row .action {
  display: block;
  color: var(--muted);
  font-size: 0.9em;
}

.policy-row .reason {
  margin: 0.25rem 0 0;
}

.limits {
  margin-top: 1.5rem;
  color: var(--muted);
}

.limits ul {
  margin: 0.25rem 0;
  padding-left: 1.2rem;
}