:root {
  --gradient-start: #00f5ff;
  --gradient-end: #ff00e5;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

* {
  -webkit-tap-highlight-color: transparent;
}

body {
  color: #212121;
  font-family: 'Rubik', 'Open Sans', Arial, sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}

.btn {
  padding: 0.7rem;
  color: white;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  border: none;
  border-radius: 30px;
  transition: ease 0.3s all;
}

.btn:hover {
  transform: scale(0.95);
}

a {
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header,
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Open Sans', sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: 'wdth' 100;
  margin: 1rem 0;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem;
  background: white;
  box-shadow: 0 2px 4px rgb(0 0 0 / 0.1);
  user-select: none;
  z-index: 1000;
}

.navbar-logo {
  width: 50px;
  height: 50px;
  object-fit: cover;
}

.navbar-header {
  display: flex;
  align-items: center;
  column-gap: 5px;
}

.navbar-toggle-btn {
  display: none !important;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.navbar-toggle-btn:hover {
  background-color: rgba(0, 0, 0, 0.09);
}

.navbar-title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  user-select: text;
  margin: 0;
}

.navbar-menu {
  padding: 0.5rem;
  display: flex;
  align-items: center;
  gap: 24px;
}

.navbar-menu ul {
  display: flex;
  list-style: none;
  gap: 24px;
}

.navbar-menu ul > li > a {
  color: black !important;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 6px 8px;
  border-radius: 4px;
  transition: background-color 0.3s;
  user-select: none;
}

.navbar-menu ul li a:hover {
  background-color: rgba(255 255 255 / 0.2);
}

@media (max-width: 768px) {
  .navbar-toggle-btn {
    display: block !important;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    visibility: hidden;
    display: block;
    background: white;
    opacity: 0;
    transform: translateX(-100%);
    pointer-events: none;
    transition:
      transform 0.3s ease,
      opacity 0.3s ease;
  }

  .navbar-menu.active {
    visibility: visible !important;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }

  .navbar-menu ul {
    margin-top: 2rem;
    row-gap: 14px;
    flex-direction: column;
  }

  .navbar-menu a {
    color: black !important;
    display: flex;
    align-items: center;
    transition: ease 0.3s color;
  }

  .navbar-menu a:hover {
    color: #71d7ff;
  }
}

.footer {
  margin-top: 10px;
  padding: 1.5rem 0;
  font-family: 'Fira Code', monospace;
  text-align: center;
  font-size: 0.9rem;
  color: #555;
}

.footer a {
  color: #2575fc;
  text-decoration: none;
  margin: 0 0.3rem;
}

.footer a:hover {
  text-decoration: underline;
}

.footer .meme {
  margin-top: 0.5rem;
  font-style: italic;
  color: #888;
}

.container {
  margin-top: 5rem;
  min-height: 100vh;
}

.list {
  margin-left: 1rem;
}

pre {
  margin: 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.92);
  max-width: 100%;
  padding: 0 !important;
  overflow-x: scroll;
}

code {
  font-size: 1rem;
  line-height: 1.25rem;
}

.p-2 {
  padding: 0.5rem;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.3);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.overlay.active {
  opacity: 1 !important;
  pointer-events: auto;
}