:root {
    --bg: #0e1116;
    --card: #161b22;
    --line: #262d36;
    --line-strong: #3a4553;
    --ink: #e6edf3;
    --muted: #8b98a5;
    --accent: #3fb950;
    --mono: 'JetBrains Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; font-size: 16px; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
code { font-family: var(--mono); font-size: .9em; background: var(--card); padding: 1px 5px; }

header { border-bottom: 1px solid var(--line-strong); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.logo { font-family: var(--mono); font-weight: 500; font-size: 15px; color: var(--ink); text-decoration: none; }
.logo b { color: var(--accent); }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13.5px; font-family: var(--mono); padding: 6px 12px; border: 1px solid transparent; }
.nav-links a:hover { color: var(--ink); border-color: var(--line); }
.nav-links a.nav-cta { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 500; }
.nav-links a.nav-cta:hover { color: #000; border-color: var(--accent); opacity: .9; }

.hero { padding: 48px 0 36px; display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.hero-id { display: flex; align-items: center; gap: 28px; }
.avatar { width: 108px; height: 108px; object-fit: cover; flex: none; border: 1px solid var(--line-strong); }
.hero h1 { font-size: 36px; font-weight: 600; letter-spacing: -0.02em; }
.hero .role { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-top: 4px; }
.hero-contacts { display: flex; flex-direction: column; gap: 14px; min-width: 280px; }

.bio { padding: 24px 0; color: var(--muted); max-width: 760px; border-bottom: 1px solid var(--line); }

section { padding: 44px 0; border-bottom: 1px solid var(--line); }
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; }
.sec-head .num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.sec-head .rule { flex: 1; height: 1px; background: var(--line); }

.buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); padding: 9px 15px; color: var(--ink); text-decoration: none; font-size: 14px; transition: border-color .15s; }
.contact-btn:hover { border-color: var(--accent); }
.contact-btn img { width: 16px; height: 16px; }
.group-label { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.hero-contacts .group-label { margin-bottom: 8px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cell { background: var(--card); padding: 24px; }
.cell h3 { font-family: var(--mono); text-transform: uppercase; letter-spacing: .04em; font-size: 12.5px; font-weight: 500; color: var(--accent); margin-bottom: 10px; }
.cell p, .cell li { font-size: 15px; color: var(--muted); }
.cell ul { padding-left: 18px; }
.cell a { color: var(--accent); }
.wide { grid-column: 1 / -1; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: var(--bg); border: 1px solid var(--line); padding: 5px 12px; font-size: 13.5px; }
.chip img { width: 14px; height: 14px; }

details { border-top: 1px solid var(--line); padding: 14px 0; }
details:first-of-type { border-top: none; }
summary { cursor: pointer; font-size: 15px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary .year { color: var(--accent); font-family: var(--mono); font-size: 12.5px; font-weight: 400; }
details .body { padding-top: 10px; color: var(--muted); font-size: 14.5px; }
.stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.stack-tag { font-family: var(--mono); background: var(--bg); border: 1px solid var(--line); padding: 2px 8px; font-size: 12px; }

.activity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.panel { background: var(--card); padding: 24px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.panel-head h2 { margin: 0; font-size: 18px; }
.panel-head .meta { display: flex; align-items: center; gap: 10px; }
.meta { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.refresh { background: none; border: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 13px; line-height: 1; padding: 4px 7px; cursor: pointer; transition: color .15s, border-color .15s; }
.refresh:hover { color: var(--accent); border-color: var(--accent); }
.sub { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin: 16px 0 8px; }
.sub:first-of-type { margin-top: 0; }
.list { list-style: none; }
.list li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--muted); }
.list li:last-child { border-bottom: none; }
.ym-track { display: flex; }
.ym-link { display: flex; align-items: center; gap: 12px; width: 100%; color: inherit; text-decoration: none; }
.ym-cover { width: 42px; height: 42px; object-fit: cover; flex: none; background: var(--bg); }
.ym-cover-empty { display: flex; align-items: center; justify-content: center; font-size: 20px; }
.ym-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.ym-track-title { color: var(--ink); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ym-artists, .ym-context { font-size: 13px; }
.ym-day { font-size: 13px; flex: none; }
.ym-now-link { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; margin-bottom: 14px; }
.ym-now-cover { width: 60px; height: 60px; object-fit: cover; background: var(--bg); }
.ym-now-info { display: flex; flex-direction: column; }
.ym-error { color: #f85149; }

.friend-cta { text-align: center; padding: 30px 0 10px; color: var(--muted); font-size: 14px; font-family: var(--mono); }
.friend-cta a { color: var(--accent); font-size: 16px; font-weight: 500; text-decoration: none; }

footer { border-top: 1px solid var(--line-strong); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px 0; font-size: 14px; color: var(--muted); font-family: var(--mono); }
.footer-inner a { color: var(--muted); text-decoration: none; }
.footer-inner a:hover { color: var(--accent); }

@media (max-width: 720px) {
    .hero { flex-direction: column; align-items: flex-start; }
    .hero-id { flex-direction: column; align-items: flex-start; gap: 16px; }
    .activity-grid { grid-template-columns: 1fr; }
}