/* ===== Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

::selection {
  background: rgba(13, 138, 255, 0.2);
  color: inherit;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 10px; }
.dark ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

/* ===== Glass Effect ===== */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.dark .glass {
  background: rgba(15, 23, 42, 0.7);
}

/* ===== Animated Blobs ===== */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: blobFloat 20s ease-in-out infinite;
}
.dark .blob { opacity: 0.15; }

.blob-1 {
  width: 500px; height: 500px;
  background: linear-gradient(135deg, #0d8aff, #a855f7);
  top: -100px; left: -100px;
  animation-delay: 0s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: linear-gradient(135deg, #ec4899, #f97316);
  top: 40%; right: -80px;
  animation-delay: -7s;
}
.blob-3 {
  width: 350px; height: 350px;
  background: linear-gradient(135deg, #06b6d4, #10b981);
  bottom: -50px; left: 30%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 40px) scale(0.95); }
  75% { transform: translate(30px, 20px) scale(1.03); }
}

/* ===== Stat Cards ===== */
.stat-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.dark .stat-card {
  background: rgba(255, 255, 255, 0.03);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.dark .stat-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Repo Cards ===== */
.repo-card {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.dark .repo-card {
  background: rgba(255, 255, 255, 0.02);
}
.repo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 138, 255, 0.08);
  background: rgba(255, 255, 255, 0.7);
}
.dark .repo-card:hover {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 8px 25px rgba(13, 138, 255, 0.05);
}

/* ===== Fade Up Animation ===== */
.fade-up {
  animation: fadeUp 0.6s ease-out both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Line Clamp ===== */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Chart Canvas ===== */
canvas {
  max-width: 100%;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .blob { opacity: 0.2; }
  .dark .blob { opacity: 0.08; }
}

/* ===== Pulse for loading skeleton ===== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.08) 50%, rgba(0,0,0,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}
.dark .skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
}