:root {
  color-scheme: dark light;
  --bg: #0b0d12;
  --glow: rgb(124 92 255 / 0.16);
  --fg: #eef0f4;
  --muted: #9198a6;
  --line: rgb(255 255 255 / 0.09);
  --card: rgb(255 255 255 / 0.035);
  --card-hover: rgb(255 255 255 / 0.07);
  --accent: #a48bff;
  --level-0: rgb(255 255 255 / 0.06);
  --level-1: #3b2f73;
  --level-2: #5a45ad;
  --level-3: #7f66e6;
  --level-4: #b7a5ff;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfbfd;
    --glow: rgb(124 92 255 / 0.12);
    --fg: #15171c;
    --muted: #626a78;
    --line: rgb(0 0 0 / 0.09);
    --card: rgb(255 255 255 / 0.8);
    --card-hover: #ffffff;
    --accent: #5f43d6;
    --level-0: rgb(0 0 0 / 0.06);
    --level-1: #d6ccff;
    --level-2: #a998f5;
    --level-3: #7a60e6;
    --level-4: #4c32b8;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--fg);
  background: radial-gradient(60rem 28rem at 50% -8rem, var(--glow), transparent), var(--bg);
  background-repeat: no-repeat;
  background-color: var(--bg);
  font: 16px/1.55 Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  display: grid;
  gap: 1.25rem;
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 5rem) 1.25rem 2rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, p { margin: 0; }

h2 {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

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

/* Hero */
.hero {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.avatar {
  flex-shrink: 0;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line), 0 12px 40px var(--glow);
}

.hero-text { display: grid; gap: 0.4rem; min-width: 0; }

h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.bio { font-size: 1.1rem; }
.facts { color: var(--muted); }
.facts:empty, .bio:empty { display: none; }

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.link {
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--fg);
  font-size: 0.875rem;
  transition: background 0.15s, border-color 0.15s;
}

.link:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  text-decoration: none;
}

/* Interests */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0.25rem 0 0.5rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Cards */
.card, .stat, .project {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}

.card { padding: 1.25rem; min-width: 0; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}

.stat { display: grid; padding: 1rem 1.25rem; }
.stat strong { font-size: 1.6rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 0.85rem; }

/* Contribution calendar: seven rows, one column per week */
.calendar-scroll { overflow-x: auto; }

.calendar {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  grid-auto-flow: column;
  grid-auto-columns: 11px;
  gap: 3px;
  width: max-content;
  margin-inline: auto;
}

.day { border-radius: 3px; }
.day.blank { visibility: hidden; }
.level-0 { background: var(--level-0); }
.level-1 { background: var(--level-1); }
.level-2 { background: var(--level-2); }
.level-3 { background: var(--level-3); }
.level-4 { background: var(--level-4); }

/* Languages */
.language-bar {
  display: flex;
  gap: 2px;
  height: 10px;
  margin-bottom: 0.9rem;
  border-radius: 999px;
  overflow: hidden;
}

.language-bar span { flex-basis: 0; min-width: 2px; }

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.dot {
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  margin-right: 0.4rem;
  border-radius: 50%;
}

/* Projects */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.project {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  color: var(--fg);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.project:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.project h3 { font-size: 0.975rem; font-weight: 600; overflow-wrap: anywhere; }
.description { flex-grow: 1; color: var(--muted); font-size: 0.875rem; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.9rem;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.more { margin-top: 0.9rem; font-size: 0.9rem; }

/* Commits */
.commits {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.commits li { display: grid; font-size: 0.925rem; }
.commits a { color: var(--fg); overflow-wrap: anywhere; }
.commits a:hover { color: var(--accent); }
.commits .muted { font-size: 0.8rem; }

.error { color: var(--muted); }

footer {
  padding: 1rem 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

@media (max-width: 560px) {
  .hero { flex-direction: column; text-align: center; }
  .links { justify-content: center; }
  .tags { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .project:hover { transform: none; }
}