/* Страницы-инструкции (/downloads, /downloads/openwrt). Отдельный файл, потому что
   Content-Security-Policy сайта запрещает inline-стили: style-src 'self'. */

:root {
  color-scheme: dark;
  --bg: #020807;
  --bg-2: #06110f;
  --panel: rgba(6, 22, 18, 0.72);
  --line: rgba(105, 255, 183, 0.16);
  --line-strong: rgba(105, 255, 183, 0.32);
  --text: #effff6;
  --muted: #8ea99e;
  --soft: #c2ebd8;
  --accent: #39f28f;
  --accent-2: #88ffd0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 20px 96px;
  background:
    radial-gradient(circle at 50% 6%, rgba(57, 242, 143, 0.08), transparent 26rem),
    linear-gradient(180deg, #000 0%, var(--bg) 30rem, #020504 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.62;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 0 34px;
}

.topbar img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.topbar a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.topbar span {
  color: var(--muted);
}

h1 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.18;
  font-weight: 650;
  letter-spacing: -0.01em;
}

h2 {
  margin: 42px 0 12px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  margin: 26px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--soft);
}

p {
  margin: 0 0 14px;
  color: var(--soft);
}

.lead {
  font-size: 18px;
  color: var(--soft);
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

a {
  color: var(--accent);
}

ul,
ol {
  margin: 0 0 16px;
  padding-left: 22px;
  color: var(--soft);
}

li {
  margin-bottom: 8px;
}

pre {
  margin: 0 0 18px;
  padding: 16px 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(2, 12, 9, 0.86);
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.55;
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(57, 242, 143, 0.09);
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

pre code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.card {
  margin: 0 0 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.note {
  border-left: 3px solid var(--accent);
}

.warn {
  border-left: 3px solid #ffb454;
}

table {
  width: 100%;
  margin: 0 0 18px;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  color: var(--soft);
}

th {
  color: var(--text);
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 18px;
}

.tile {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
}

.tile:hover {
  border-color: var(--line-strong);
}

.tile strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
}

.tile span {
  color: var(--muted);
  font-size: 14px;
}

footer {
  margin-top: 54px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  h1 {
    font-size: 27px;
  }

  pre {
    font-size: 12.5px;
  }
}