/* CrashDecoder - single stylesheet, no dependencies.
   Ad slots reserve height up front so Core Web Vitals (CLS) stays clean. */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-code: #f0f2f5;
  --fg: #1c2024;
  --fg-soft: #55606b;
  --line: #dde1e6;
  --accent: #b4341f;
  --accent-soft: #fdf1ef;
  --ok: #1a7f4b;
  --warn: #9a6700;
  --maxw: 47rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --bg-alt: #1c2024;
    --bg-code: #21262b;
    --fg: #e6e9ec;
    --fg-soft: #a3adb8;
    --line: #2e343a;
    --accent: #ff7a5e;
    --accent-soft: #2a1c19;
    --ok: #4ec98a;
    --warn: #e0b341;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.1rem; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff; padding: .6rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  position: sticky; top: 0; z-index: 5;
}
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .5rem 1rem; padding-top: .7rem; padding-bottom: .7rem;
}
.brand {
  font-weight: 700; font-size: 1.12rem; text-decoration: none; color: var(--fg);
  letter-spacing: -.01em;
}
.brand-mark { color: var(--accent); }
.site-header nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
.site-header nav a {
  color: var(--fg-soft); text-decoration: none; font-size: .93rem; font-weight: 500;
}
.site-header nav a:hover { color: var(--accent); }

/* ---------- type ---------- */

h1 {
  font-size: clamp(1.65rem, 4.5vw, 2.15rem);
  line-height: 1.2; letter-spacing: -.02em; margin: 1.6rem 0 .4rem;
}
h2 {
  font-size: 1.34rem; line-height: 1.3; margin: 2.4rem 0 .7rem;
  padding-top: 1.2rem; border-top: 1px solid var(--line);
}
h3 { font-size: 1.08rem; margin: 1.6rem 0 .4rem; }
p, li { overflow-wrap: break-word; }
a { color: var(--accent); }

.lede { font-size: 1.08rem; color: var(--fg-soft); }

.meta {
  font-size: .85rem; color: var(--fg-soft);
  padding-bottom: 1rem; border-bottom: 1px solid var(--line);
}
.meta span + span::before { content: " · "; }

code, kbd, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: .92em;
}
code { background: var(--bg-code); padding: .12em .35em; border-radius: 3px; }
pre {
  background: var(--bg-code); border: 1px solid var(--line); border-radius: 6px;
  padding: .85rem 1rem; overflow-x: auto; font-size: .87rem; line-height: 1.5;
}
pre code { background: none; padding: 0; }

/* ---------- components ---------- */

.screen {
  background: #0b3a86; color: #fff; border-radius: 8px;
  padding: 1.3rem 1.4rem; margin: 1.2rem 0; line-height: 1.55;
}
.screen .sad { font-size: 2.6rem; line-height: 1; }
.screen .stopcode { font-family: ui-monospace, Consolas, monospace; font-weight: 700; }

.callout {
  border-left: 4px solid var(--accent); background: var(--accent-soft);
  padding: .85rem 1.1rem; margin: 1.3rem 0; border-radius: 0 6px 6px 0;
}
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }
.callout.tip { border-left-color: var(--ok); background: var(--bg-alt); }
.callout.warn { border-left-color: var(--warn); background: var(--bg-alt); }
.callout strong { display: block; margin-bottom: .2rem; }

.tbl-scroll { overflow-x: auto; margin: 1.2rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-alt); font-weight: 600; white-space: nowrap; }

.pill {
  display: inline-block; font-size: .74rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; padding: .16em .5em; border-radius: 3px;
  background: var(--bg-code); color: var(--fg-soft);
}
.pill.common { background: var(--accent-soft); color: var(--accent); }
.pill.low  { color: var(--ok); }
.pill.high { color: var(--warn); }

.fixes { list-style: none; padding: 0; counter-reset: fix; }
.fixes > li {
  counter-increment: fix; position: relative;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 1rem 1.1rem .9rem 3.1rem; margin: .9rem 0; background: var(--bg-alt);
}
.fixes > li::before {
  content: counter(fix); position: absolute; left: 1rem; top: 1rem;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: .82rem; font-weight: 700; display: grid; place-items: center;
}
.fixes h3 { margin: 0 0 .15rem; }
.fixes .fixmeta { font-size: .8rem; color: var(--fg-soft); margin: 0 0 .6rem; }

details {
  border: 1px solid var(--line); border-radius: 6px;
  padding: .7rem .9rem; margin: .55rem 0; background: var(--bg-alt);
}
details[open] { background: var(--bg); }
summary { cursor: pointer; font-weight: 600; }
details p:last-child { margin-bottom: 0; }

.cards { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); padding: 0; list-style: none; }
.cards a {
  display: block; border: 1px solid var(--line); border-radius: 8px;
  padding: .85rem 1rem; text-decoration: none; color: var(--fg); height: 100%;
  background: var(--bg-alt);
}
.cards a:hover { border-color: var(--accent); }
.cards .c-code { font-family: ui-monospace, Consolas, monospace; font-weight: 700; color: var(--accent); font-size: .9rem; }
.cards .c-name { display: block; font-weight: 600; margin: .1rem 0 .25rem; }
.cards .c-desc { display: block; font-size: .87rem; color: var(--fg-soft); line-height: 1.45; }

/* ---------- ads: reserve space to avoid layout shift ---------- */

.adslot {
  margin: 2rem 0; min-height: 280px;
  display: grid; place-items: center;
  border: 1px dashed var(--line); border-radius: 8px;
  color: var(--fg-soft); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
}
.adslot.placeholder::after { content: "Ad slot"; }
.adslot.live { border: 0; min-height: 280px; }

/* ---------- footer ---------- */

.site-footer {
  margin-top: 3.5rem; border-top: 1px solid var(--line);
  background: var(--bg-alt); padding: 1.6rem 0 2.2rem;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: 0 0 .8rem; }
.footer-nav a { color: var(--fg-soft); text-decoration: none; font-size: .9rem; }
.footer-nav a:hover { color: var(--accent); }
.fine { font-size: .8rem; color: var(--fg-soft); margin: .35rem 0; }

@media (max-width: 30rem) {
  body { font-size: 16px; }
  .fixes > li { padding-left: 2.8rem; }
}