:root {
  --bg: #0f1115;
  --bg-alt: #181b21;
  --bg-accent: #1f242c;
  --text: #e6ebf3;
  --text-dim: #9aa4b4;
  --accent: #4da3ff;
  --accent-fade: #4da3ff22;
  --border: #2a3039;
  --radius: 10px;
  --font-stack: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,sans-serif;
  color-scheme: dark light;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fa;
    --bg-alt: #ffffff;
    --bg-accent: #eef2f7;
    --text: #1b2330;
    --text-dim: #5b6574;
    --accent: #0b62d6;
    --accent-fade: #0b62d611;
    --border: #d0d7e2;
  }
}

* { box-sizing: border-box; }
html,body { margin:0; padding:0; font-family: var(--font-stack); background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1200px, 92%); margin: 0 auto; }

.site-header {
  background: linear-gradient(90deg,var(--bg-accent),var(--bg-alt));
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: .75rem 0; flex-wrap: wrap; }
header h1 { font-size: clamp(1.2rem, 2.4vw, 1.8rem); margin:0; font-weight:600; letter-spacing: .5px; }
header nav a { margin: 0 .75rem; font-size:.9rem; font-weight:500; position: relative; }
header nav a::after {
  content:""; position:absolute; left:0; bottom:-4px; width:0; height:2px; background: var(--accent); transition:.25s;
}
header nav a:hover::after { width:100%; }

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

main { padding: 2.2rem 0 3rem; }
section { margin-bottom: 3.5rem; }
section h2 { margin: 0 0 1rem; font-size: 1.6rem; letter-spacing:.5px; }
.tagline { font-style: italic; color: var(--text-dim); }

.cards-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill,minmax(250px,1fr));
  position: relative;
}

/* Horizontal scroll layout for Featured Projects and All Repositories */
#featured-projects,
#repo-list {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  gap: 1.25rem;
  padding: 20px 0 1rem 0; /* Add top padding for animation space */
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  -ms-overflow-style: none; /* Hide scrollbar for Internet Explorer and Edge */
}

/* Hide scrollbar for Webkit browsers (Chrome, Safari, etc.) */
#featured-projects::-webkit-scrollbar,
#repo-list::-webkit-scrollbar {
  display: none;
}

#featured-projects .card,
#repo-list .card {
  min-width: 280px;
  flex-shrink: 0;
  max-width: 320px;
}
.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem .95rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transition: border-color .2s, transform .2s, background .35s;
  min-height: 170px;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--bg-accent);
  text-decoration: none;
}
.card h3 {
  margin:0;
  font-size: 1.05rem;
  font-weight:600;
  line-height:1.25;
  display: flex;
  gap:.4rem;
  align-items: center;
}
.card p {
  margin:0;
  font-size: .8rem;
  line-height:1.3;
  color: var(--text-dim);
  flex-grow:1;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap:.6rem;
  font-size:.65rem;
  text-transform: uppercase;
  letter-spacing:.7px;
  color: var(--text-dim);
}
.badge {
  background: var(--accent-fade);
  padding: .15rem .5rem;
  border-radius: 40px;
  font-size: .65rem;
  color: var(--accent);
  font-weight:500;
  letter-spacing:.5px;
}
.lang-dot {
  width: .75rem; height: .75rem;
  border-radius:50%;
  background: var(--accent);
  box-shadow:0 0 0 2px var(--accent-fade);
  flex-shrink:0;
}
.status-bar {
  margin-top:1rem;
  font-size:.75rem;
  color: var(--text-dim);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap:.75rem;
  margin: 0 0 1rem;
}
.controls input,
.controls select {
  background: var(--bg-alt);
  border:1px solid var(--border);
  color: var(--text);
  padding:.55rem .75rem;
  border-radius: 8px;
  font-size:.8rem;
  min-width: 160px;
}
.controls input:focus,
.controls select:focus {
  outline:2px solid var(--accent);
  outline-offset: 2px;
}

.button {
  display:inline-block;
  background: var(--accent);
  color: #fff;
  padding:.6rem 1.05rem;
  border-radius: 8px;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.5px;
  box-shadow:0 4px 18px -6px var(--accent-fade);
  transition:.25s;
}
.button:hover { text-decoration:none; filter:brightness(1.1); }
.button.secondary {
  background: var(--bg-accent);
  color: var(--accent);
  border:1px solid var(--accent);
  box-shadow:none;
}

.resume-actions { display:flex; gap:.75rem; margin-bottom:1rem; flex-wrap:wrap;}

.resume-frame {
  width:100%;
  min-height: 75vh;
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.narrow { max-width: 850px; }

.site-footer {
  border-top:1px solid var(--border);
  background: var(--bg-alt);
  padding: 1.5rem 0;
  font-size:.75rem;
  color: var(--text-dim);
  text-align:center;
}

[data-loading]::before {
  content: attr(data-loading);
  font-size:.8rem;
  color: var(--text-dim);
  animation: pulse 1.4s ease-in-out infinite;
  display:block;
  padding:.5rem 0;
}
@keyframes pulse {
  0%,100% { opacity:.35; }
  50% { opacity:1; }
}

.home-link { color: inherit; text-decoration:none; }
.home-link:hover { color: var(--accent); }

@media (max-width:640px) {
  header nav a { margin: 0 .5rem; }
  .cards-grid { grid-template-columns: repeat(auto-fill,minmax(200px,1fr)); }
  .card { min-height: 190px; }
  
  #featured-projects .card,
  #repo-list .card {
    min-width: 250px;
    max-width: 280px;
  }
}