/* Shared styles for openmax.com/tools. Neutral tokens; the site team can map them to the brand. */
:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --card: #ffffff;
  --text: #14161a;
  --muted: #5b6270;
  --line: #e2e5ea;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --good: #137a3f;
  --bad: #b42318;
  --warn-bg: #fff7e6;
  --warn-line: #f2c46d;
  --radius: 12px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115; --surface: #161a20; --card: #1b2028; --text: #e9ecf1; --muted: #a0a8b6; --line: #2a313c;
    --accent: #7c9cff; --accent-ink: #0f1115; --good: #4cc38a; --bad: #ff8a80; --warn-bg: #2a2212; --warn-line: #7a5b1c;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1115; --surface: #161a20; --card: #1b2028; --text: #e9ecf1; --muted: #a0a8b6; --line: #2a313c;
  --accent: #7c9cff; --accent-ink: #0f1115; --good: #4cc38a; --bad: #ff8a80; --warn-bg: #2a2212; --warn-line: #7a5b1c;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 var(--font); }
a { color: var(--accent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.crumbs { font-size: 14px; color: var(--muted); padding: 20px 0 0; }
.crumbs a { color: var(--muted); text-decoration: none; }
header.hero { padding: 12px 0 8px; }
h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 8px 0 8px; letter-spacing: -0.01em; }
.lede { color: var(--muted); font-size: 18px; margin: 0 0 20px; max-width: 760px; }
h2 { font-size: 24px; margin: 40px 0 12px; line-height: 1.25; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p, li { max-width: 760px; }

/* calculator */
.tool { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 860px) { .tool { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.panel.inputs { background: var(--surface); }
fieldset { border: 0; margin: 0 0 16px; padding: 0; min-width: 0; }
legend { font-weight: 600; margin-bottom: 8px; padding: 0; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 480px) { .grid, .grid.three { grid-template-columns: 1fr 1fr; } }
label { display: block; font-size: 14px; color: var(--muted); }
label > span { display: block; margin-bottom: 4px; }
input, select { width: 100%; font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 10px; min-height: 42px; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.prefix { position: relative; }
.prefix > i { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--muted); pointer-events: none; }
.prefix > input { padding-left: 24px; }
.suffix { position: relative; }
.suffix > i { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--muted); pointer-events: none; }
.suffix > input { padding-right: 28px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { font: inherit; font-size: 14px; border: 0; background: var(--card); color: var(--text); padding: 6px 12px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.hint { font-size: 13px; color: var(--muted); margin: 6px 0 0; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }

/* results */
.result h2 { margin-top: 0; font-size: 18px; }
table.lines { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.lines td { padding: 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.lines td:last-child { text-align: right; white-space: nowrap; padding-left: 12px; }
table.lines tr.total td { font-weight: 700; border-bottom: 0; }
table.lines tr.sub td { color: var(--muted); font-size: 14px; }
.big { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 16px 0; }
.stat { background: var(--surface); border-radius: 10px; padding: 12px; }
.stat .k { font-size: 13px; color: var(--muted); }
.stat .v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat .s { font-size: 13px; color: var(--muted); }
.stat.hl { outline: 2px solid var(--accent); }
.pos { color: var(--good); }
.neg { color: var(--bad); }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--surface); border: 1px solid var(--line); }
.notes { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 12px 0; }
.notes:empty { display: none; }
.notes p { margin: 4px 0; }
details { margin: 10px 0; font-size: 14px; }
details summary { cursor: pointer; color: var(--muted); }
details ul { padding-left: 18px; margin: 8px 0; }
.asof { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* call to action */
.cta { margin-top: 16px; border-radius: var(--radius); padding: 16px; background: var(--surface); border: 1px solid var(--line); }
.cta p { margin: 0 0 12px; font-weight: 600; }
.cta .btns { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { color: var(--accent); background: transparent; }

/* tabs (ACoS page) */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 16px; }
.tabs button { font: inherit; font-size: 15px; border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 99px; padding: 7px 14px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
[role="tabpanel"][hidden] { display: none; }

/* content */
article { padding-bottom: 48px; }
.formula { font-family: var(--mono); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: inline-block; max-width: 100%; overflow-x: auto; }
table.data { border-collapse: collapse; font-size: 15px; margin: 8px 0; max-width: 100%; display: block; overflow-x: auto; }
table.data th, table.data td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
table.data th { background: var(--surface); }
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.related a { display: block; padding: 14px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--text); }
.related a span { display: block; color: var(--muted); font-size: 14px; }
footer.small { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding: 16px 0 32px; }

/* optional insights under the FBA result */
.trust { font-size: 13px; color: var(--good); margin: 4px 0 0; }
.extras { list-style: none; margin: 0 0 12px; padding: 0; }
.extras:empty { display: none; }
.extras li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 15px; max-width: none; }
.linkbtn { font: inherit; font-size: 14px; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; }