body { background: linear-gradient(180deg, var(--bg) 0%, #f7f9fc 100%); }

@media (prefers-color-scheme: dark) {
  body { background: linear-gradient(180deg, var(--bg) 0%, #0a1020 100%); }
}

html[data-theme="dark"] body { background: linear-gradient(180deg, var(--bg) 0%, #0a1020 100%); }
html[data-theme="light"] body { background: linear-gradient(180deg, var(--bg) 0%, #f7f9fc 100%); }
html[data-theme="black"] body,
html[data-theme="forest"] body,
html[data-theme="slate"] body,
html[data-theme="purple"] body { background: linear-gradient(180deg, var(--bg) 0%, var(--bg) 100%); }
html[data-theme="sepia"] body { background: linear-gradient(180deg, var(--bg) 0%, #f4eee1 100%); }

main { max-width: 980px; margin: 0 auto; padding: 28px 18px 70px; }
header { margin-bottom: 16px; padding: 26px; border: 1px solid var(--header-border); border-radius: 18px; background: var(--header-bg); box-shadow: var(--header-shadow); }
nav { margin: 16px 0 22px; display: flex; flex-wrap: wrap; gap: 10px; }
nav a { display: inline-block; padding: 8px 14px; border: 1px solid var(--nav-border); border-radius: 999px; text-decoration: none; color: var(--link); background: var(--nav-bg); }
article { background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: 18px; padding: 22px; box-shadow: var(--shadow); }
article a { color: var(--link); text-decoration: none; }
article a:visited { color: var(--link); }
article a:hover { color: var(--link-hover); text-decoration: underline; }
h1 { margin: 0; line-height: 1.25; font-size: calc(2rem * var(--font-scale)); }
h2 { margin: 28px 0 10px; font-size: calc(1.45rem * var(--font-scale)); }
h3 { margin: 18px 0 8px; font-size: calc(1.18rem * var(--font-scale)); }
p { margin: 10px 0; font-size: calc(1rem * var(--font-scale)); }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pill { display: inline-block; padding: 6px 10px; border: 1px solid var(--nav-border); border-radius: 999px; background: var(--nav-bg); color: var(--text); font-size: 13px; }
.quote { border-left: 4px solid #c7d2fe; padding: 12px 14px; background: var(--quote-bg); border-radius: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 12px 0 6px; }
.box { border: 1px solid var(--panel-border); border-radius: 14px; padding: 14px; background: var(--panel-bg); }
.box h3 { margin-top: 0; }
ul { padding-left: 1.2em; margin: 10px 0; }
li { margin: 6px 0; font-size: calc(1rem * var(--font-scale)); }
.toc { margin: 18px 0 10px; padding: 14px; border: 1px dashed var(--nav-border); border-radius: 14px; background: rgba(127, 127, 127, 0.04); }
.toc a { color: var(--link); text-decoration: none; }
.toc a:hover { text-decoration: underline; }
footer { margin-top: 18px; color: var(--muted); font-size: 14px; }
.route-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 14px 0; }
.route-card { border: 1px solid var(--panel-border); border-radius: 14px; padding: 16px; background: var(--panel-bg); }
.route-card h3 { margin-top: 0; }
.route-card p { margin: 8px 0; }
.tag { display: inline-block; margin-right: 8px; margin-top: 6px; padding: 2px 8px; border: 1px solid var(--nav-border); border-radius: 999px; font-size: 12px; color: var(--muted); }
.steps li { margin: 10px 0; }

html[data-theme="dark"] .quote,
html[data-theme="black"] .quote,
html[data-theme="forest"] .quote,
html[data-theme="slate"] .quote,
html[data-theme="purple"] .quote { border-left-color: #3b82f6; background: #0b1b34; }
html[data-theme="sepia"] .quote { border-left-color: #d79b5a; background: #f3ead9; }