:root {
  --red: #ff9393;
  --green: #93ffa9;
  --blue: #93adff;
  --glass-bg: rgba(53, 53, 53, 0.25);
  --glass-border: rgba(147, 173, 255, 0.4);
  --particle-color: linear-gradient(45deg, var(--red), var(--blue));
}

* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
  font-family: Verdana, serif;
}

body {
  background: linear-gradient(135deg, #2a2a2a, #3d3d3d);
  color: white;
  padding: 100px 5%;
  text-align: center;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(147, 173, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 147, 147, 0.15) 0%, transparent 40%);
  z-index: -2;
}

input {
  width: 700px;
  display: block;
  border: 5px solid var(--glass-border);
  padding: 15px 20px;
  margin: 5px auto;
  font-size: 25px;
  font-family: monospace;
  background: var(--glass-bg);
  color: inherit;
  border-radius: 10px;
  transition: all 250ms ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

input::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(147, 173, 255, 0.2), transparent);
  transform: rotate(30deg);
  transition: all 0.5s ease;
  z-index: -1;
}

input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: 0 8px 32px rgba(147, 173, 255, 0.3);
  background: rgba(53, 53, 53, 0.35);
}

input:focus::before {
  transform: rotate(30deg) translate(20px, 20px);
}

button {
  width: 700px;
  background: linear-gradient(45deg, var(--blue), var(--red));
  color: #222222;
  font-size: 20px;
  padding: 30px;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
  transition: all 250ms ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
}

button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: 0.5s ease;
}

button:hover {
  background: linear-gradient(45deg, var(--red), var(--blue));
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(147, 173, 255, 0.4);
}

button:hover::before {
  left: 100%;
}

button:active {
  transform: translateY(1px);
  box-shadow: 0 4px 20px rgba(147, 173, 255, 0.3);
}

p {
  margin: 20px 0px;
  position: relative;
  z-index: 1;
}

a {
  color: var(--red);
  text-decoration: none;
  position: relative;
  transition: all 250ms ease;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 250ms ease;
}

a:hover {
  text-decoration: none;
  color: #ffaaaa;
}

a:hover::after {
  width: 100%;
}

.credit {
  font-size: smaller;
  position: absolute;
  top: auto;
  left: auto;
  right: 10px;
  bottom: 10px;
  background: var(--glass-bg);
  padding: 8px 15px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* Glassmorphism particles */
.particle {
  position: fixed;
  width: 4px;
  height: 4px;
  background: var(--particle-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: float 6s infinite ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  25% { transform: translate(20px, -30px) scale(1.2); opacity: 0.8; }
  50% { transform: translate(-20px, 30px) scale(0.8); opacity: 0.4; }
  75% { transform: translate(30px, 20px) scale(1.1); opacity: 0.7; }
}