html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* ===== VAMPIR KÖYLÜ NAV TAB ===== */
.vampir-tab {
    background: linear-gradient(90deg, #8b00ff, #ff003c, #8b00ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: vampirShimmer 2.5s linear infinite;
    filter: drop-shadow(0 0 6px rgba(139,0,255,0.7));
    transition: filter 0.3s;
    font-size: 1rem;
    letter-spacing: 0.03em;
}
.vampir-tab:hover {
    filter: drop-shadow(0 0 14px rgba(255,0,60,0.9));
    opacity: 1 !important;
}
@keyframes vampirShimmer {
    0%   { background-position: 0% center; }
    100% { background-position: 200% center; }
}