:root {
  --bg: #0f1115; --panel: #181b22; --text: #e6e8ee;
  --muted: #8a8f9a; --accent: #ffca3a; --link: #6fb2ff;
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header, main, footer { max-width: 880px; margin: 0 auto; padding: 2rem 1.25rem; }
header h1 { font-size: 2rem; margin: 0 0 .25rem 0; }
header p { color: var(--muted); margin: .25rem 0; }
h2 { margin-top: 2.5rem; font-size: 1.35rem; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.meta { color: var(--muted); font-size: .92rem; }
.week { margin-bottom: 2rem; }
.week h2 { color: var(--text); border-bottom: 1px solid #242833; padding-bottom: .4rem; }
.videos { list-style:none; padding:0; }
.videos li { background: var(--panel); padding: 1rem 1.25rem; border-radius: 10px;
  margin-bottom: .6rem; border: 1px solid #242833; }
.videos li a strong { font-size: 1.08rem; }
.videos li .meta { margin-left: .6rem; }
.videos li p { margin: .3rem 0 0 0; color: #cfd3db; }
video { width: 100%; max-width: 100%; border-radius: 10px; background: #000; }
footer { color: var(--muted); font-size: .9rem; border-top: 1px solid #242833; margin-top: 3rem; }