/* DevPrep: справочник для поиска. Светлая и тёмная темы по системной настройке. */
:root {
  --bg: #ffffff;
  --surface: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #e3e3e8;
  --accent: #5b57e8;
  --accent-soft: #eeedfd;
  --code-bg: #f6f8fa;
  --junior: #1f8a4c;
  --middle: #b26a00;
  --senior: #c4314b;
  --hl-keyword: #ad3da4;
  --hl-string: #c41a16;
  --hl-number: #1c00cf;
  --hl-comment: #6c7680;
  --hl-type: #703daa;
  --hl-title: #3e6d74;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111114;
    --surface: #1c1c21;
    --text: #f2f2f5;
    --muted: #a1a1aa;
    --line: #2c2c33;
    --accent: #8f8cff;
    --accent-soft: #24233d;
    --code-bg: #18181d;
    --junior: #4cc38a;
    --middle: #f0a640;
    --senior: #ff6b81;
    --hl-keyword: #ff7ab2;
    --hl-string: #ff8170;
    --hl-number: #d9c97c;
    --hl-comment: #7f8c98;
    --hl-type: #dabaff;
    --hl-title: #78c2b3;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.brand { color: var(--text); font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.logo { background: #000; color: #fff; border-radius: 8px; padding: 2px 6px; font: 700 13px ui-monospace, Menlo, monospace; }
.top nav { display: flex; gap: 16px; align-items: center; font-size: 15px; }
.top .get { background: var(--text); color: var(--bg); padding: 6px 12px; border-radius: 999px; font-weight: 600; }

h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.02em; margin: 12px 0 12px; }
h2 { font-size: 22px; line-height: 1.3; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
.lead { color: var(--muted); font-size: 19px; }
.crumbs { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.meta { margin: 0 0 8px; }

.topics { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 8px; }
.topics a { display: flex; align-items: center; gap: 10px; padding: 14px 16px; background: var(--surface); border-radius: 14px; color: var(--text); }
.topics a:hover { text-decoration: none; outline: 2px solid var(--accent-soft); }
.topics .name { font-weight: 600; flex: 1; }
.topics .count { color: var(--muted); font-size: 14px; white-space: nowrap; }

.questions { padding-left: 24px; }
.questions li { margin: 8px 0; }

.level, .pro { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; vertical-align: 2px; }
.level.junior { color: var(--junior); background: color-mix(in srgb, var(--junior) 14%, transparent); }
.level.middle { color: var(--middle); background: color-mix(in srgb, var(--middle) 14%, transparent); }
.level.senior { color: var(--senior); background: color-mix(in srgb, var(--senior) 14%, transparent); }
.pro { color: var(--accent); background: var(--accent-soft); }

article p, article li { overflow-wrap: anywhere; }
code { font: 0.88em/1.5 ui-monospace, "SF Mono", Menlo, monospace; background: var(--code-bg); padding: 1px 5px; border-radius: 5px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; overflow-x: auto; }
pre code { background: none; padding: 0; font-size: 14px; }
.note { margin: 16px 0; padding: 10px 16px; border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 12px 12px 0; }
.note p { margin: 6px 0; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }

.more { margin: 24px 0; padding: 20px; border: 1px dashed var(--accent); border-radius: 16px; text-align: center; }
.cta { margin: 40px 0; padding: 24px; background: var(--surface); border-radius: 20px; }
.cta h2 { margin-top: 0; }
.button { display: inline-block; background: var(--accent); color: #fff; font-weight: 600; padding: 12px 20px; border-radius: 999px; }
.button:hover { text-decoration: none; filter: brightness(1.08); }
.related ul { padding-left: 20px; }

footer { color: var(--muted); font-size: 14px; padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); margin-top: 40px; }

/* highlight.js */
.hljs-keyword, .hljs-built_in, .hljs-literal { color: var(--hl-keyword); }
.hljs-string, .hljs-regexp { color: var(--hl-string); }
.hljs-number { color: var(--hl-number); }
.hljs-comment, .hljs-quote { color: var(--hl-comment); font-style: italic; }
.hljs-type, .hljs-class .hljs-title, .hljs-title.class_ { color: var(--hl-type); }
.hljs-title, .hljs-title.function_, .hljs-attr, .hljs-meta { color: var(--hl-title); }

@media (max-width: 520px) {
  h1 { font-size: 26px; }
  .top nav { gap: 10px; }
}