/* Shared look for the ethdebug post appendix: the storage inspector
   (demos/inspector/), the companion page (companion/) and the
   debugger demo (demos/debugger/). Design tokens first, then shared components.
   Each page keeps a small stylesheet for what only it has. */

:root {
  --bg: #fbfaf7;
  --fg: #1f2328;
  --muted: #6a6f76;
  --line: #dedbd3;
  --panel: #ffffff;
  --accent: #8a4b00;
  --chg-bg: #fff1c7;
  --chg-fg: #5c3b00;
  --old: #8b2f2f;
  --new: #1d6b38;
  --mark: #ffe08a;
  --code-bg: #f1eee7;
  --plan-bg: #e6edf6;
  --plan-fg: #27466e;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171a;
    --fg: #e6e4df;
    --muted: #9a9ea5;
    --line: #2e3238;
    --panel: #1c1f23;
    --accent: #f0b35a;
    --chg-bg: #3b2f12;
    --chg-fg: #ffd98a;
    --old: #f08a8a;
    --new: #7fd49a;
    --mark: #6b5310;
    --code-bg: #24282d;
    --plan-bg: #1d2a3b;
    --plan-fg: #a9c6ec;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15171a;
  --fg: #e6e4df;
  --muted: #9a9ea5;
  --line: #2e3238;
  --panel: #1c1f23;
  --accent: #f0b35a;
  --chg-bg: #3b2f12;
  --chg-fg: #ffd98a;
  --old: #f08a8a;
  --new: #7fd49a;
  --mark: #6b5310;
  --code-bg: #24282d;
  --plan-bg: #1d2a3b;
  --plan-fg: #a9c6ec;
  color-scheme: dark;
}

/* Base */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

/* Small uppercase section label, as in "Transaction" or "Storage". */
h2.label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 20px 0 8px;
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

/* Page header: title, intro, and the line that links the three pages */
header p { max-width: 72ch; margin: 0 0 8px; }
.appendix-nav {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 12px;
}

/* Code */
code, pre, .mono, .hex, .val {
  font-family: var(--mono);
  font-size: 0.86em;
}
code {
  background: var(--code-bg);
  padding: 0 3px;
  border-radius: 3px;
  overflow-wrap: anywhere;
}
/* A code block on a panel, like the inspector's source view. */
.code-block, .doc pre {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  margin: 0 0 1rem;
  overflow: auto;
  font-size: 0.78rem;
  line-height: 1.45;
}
.doc pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}

/* Text helpers */
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.meta { font-size: 0.85rem; color: var(--muted); }
.error { color: var(--old); }
.pass, .status.ok { color: var(--new); font-weight: 600; }
.fail, .status.bad { color: var(--old); font-weight: 600; }

/* Buttons and pickers */
.picker { display: flex; flex-wrap: wrap; gap: 8px; }
.picker button, .btn {
  font: inherit;
  font-size: 0.95rem;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}
.picker button[aria-checked="true"],
.picker button[aria-selected="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
  font-weight: 600;
}
.picker button:disabled, .btn:disabled { opacity: 0.5; cursor: default; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
input[type="range"] { accent-color: var(--accent); }
summary { cursor: pointer; color: var(--muted); }

/* Tags. The base tag is an outline pill; "to verify" and "plan" are
   filled, and may wrap when they carry a sentence. */
.tag {
  font-size: 0.72rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 6px;
  color: var(--muted);
  white-space: nowrap;
}
.tag.verify, .tag.plan {
  font-weight: 600;
  white-space: normal;
  border-color: transparent;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.tag.verify { background: var(--chg-bg); color: var(--chg-fg); }
.tag.plan { background: var(--plan-bg); color: var(--plan-fg); }

/* Notes: a panel with an accent edge, like the inspector's "show how". */
.note, .how, .doc blockquote {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 4px 0 8px;
  font-size: 0.9rem;
}
.doc blockquote { margin: 1rem 0; }
.doc blockquote p { margin: 0.5rem 0; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { border-collapse: collapse; font-size: 0.9rem; min-width: 100%; }
th, td {
  text-align: left;
  vertical-align: top;
  padding: 6px 10px 6px 0;
  border-bottom: 1px solid var(--line);
}
th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}
td.n { text-align: right; font-variant-numeric: tabular-nums;
  white-space: nowrap; }

/* Long-form text (companion, soldb). It sits left-aligned in the same
   frame as the inspector, in a reading column. Sections open with a
   rule, as the inspector's notes do. */
.doc > * { max-width: 50rem; }
.doc p, .doc li { max-width: 72ch; }
.doc h2 {
  font-size: 1.3rem;
  margin: 40px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.doc h3 { font-size: 1.05rem; margin: 28px 0 8px; }
.doc h4 { font-size: 0.95rem; margin: 20px 0 6px; }
.doc ul, .doc ol { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc figure { margin: 1rem 0; }
.doc figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.doc figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }