/* Shared styling for the webext-linter check documentation site:
   the index shell (sidebar + content iframe) and the individual check pages. */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --border: #e2e5ea;
  --text: #1c2024;
  --text-muted: #5b626b;
  --accent: #2d6cdf;
  --accent-soft: #eaf1fd;
  --error: #c0392b;
  --warning: #b7791f;
  --info: #2c7a7b;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

.shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-alt);
  overflow-y: auto;
  padding: 1.25rem 0 2rem;
}

.sidebar .brand {
  padding: 0 1.25rem 0.75rem;
}

.sidebar .brand h1 {
  font-size: 1.05rem;
  margin: 0 0 0.25rem;
}

.sidebar .brand p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.sidebar .group-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 1.25rem 1.25rem 0.4rem;
  font-weight: 600;
}

.toc {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: space-between;
  padding: 0.4rem 1.25rem;
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  border-left: 3px solid transparent;
}

.toc a:hover {
  background: var(--accent-soft);
}

.toc a.active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  font-weight: 600;
}

.toc a .label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.content-frame {
  border: 0;
  width: 100%;
  height: 100%;
}

/* ------------------------------------------------------------ check page -- */

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 2.5rem 4rem;
}

.page header.check-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.page h1 {
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
}

.page .check-id {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.page h2 {
  font-size: 1.1rem;
  margin: 2rem 0 0.6rem;
}

.page p {
  margin: 0.6rem 0;
}

.page .lead {
  font-size: 1.02rem;
}

/* ------------------------------------------------------------ severity --- */

.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  color: #fff;
  vertical-align: middle;
}

.badge.error {
  background: var(--error);
}
.badge.warning {
  background: var(--warning);
}
.badge.info {
  background: var(--info);
}
/* `auto`: severity is decided per finding (e.g. by advisory band). */
.badge.auto {
  background: #6b46c1;
}
/* `manual`: no automated severity — escalated to human review. */
.badge.manual {
  background: #5b626b;
}

/* In the TOC, badges are tiny and outlined for a quieter look. */
.toc .badge {
  font-size: 0.6rem;
  padding: 0.05rem 0.4rem;
  flex: none;
}

/* --------------------------------------------------------------- flow ----- */

.flow {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 0.75rem 0;
  overflow-x: auto;
  text-align: center;
}

.flow .mermaid {
  margin: 0;
}

.outcome {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 0.75rem 0;
}

.outcome strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.source-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.source-note code {
  font-family: var(--mono);
}

.welcome {
  max-width: 640px;
  margin: 0 auto;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.welcome h1 {
  color: var(--text);
}