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

body {
  background: #050b16;
  color: #00ff88;
  font-family: monospace;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

#matrix {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.char {
  position: absolute;
  pointer-events: none;
  color: #00ff88;
  font-size: 18px;
  font-family: monospace;
  text-shadow: 0 0 6px rgba(0, 255, 136, 0.6);
  user-select: none;
}


.content {
  position: relative;
  z-index: 2;
  padding: 60px;
}

.app-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 60px 20px;
}

.card {
  width: 100%;
  max-width: 900px;
  background: rgba(5, 10, 15, 0.88);
  border: 1px solid rgba(0, 255, 136, 0.15);
  border-radius: 14px;
  padding: 32px 36px;
  box-shadow: 0 0 40px rgba(0, 255, 136, 0.08);
  backdrop-filter: blur(6px);
}
h1 {
  color: #00ff88;
  font-size: 32px;
  margin-bottom: 4px;
}

h2 {
  color: #9efdd6;
  font-size: 16px;
  font-weight: normal;
  margin-bottom: 24px;
}

h3 {
  color: #00ff88;
  margin-top: 28px;
  margin-bottom: 10px;
}

ul {
  padding-left: 18px;
  margin-bottom: 12px;
}

li {
  margin-bottom: 6px;
  line-height: 1.5;
}

.desc {
  font-size: 14px;
  color: #b9fbe1;
}

blockquote {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 2px solid #00ff88;
  font-style: italic;
  color: #9efdd6;
}

.form {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

input {
  background: #020608;
  border: 1px solid rgba(0, 255, 136, 0.2);
  color: #00ff88;
  padding: 8px 10px;
  border-radius: 6px;
  flex: 1;
}

button {
  background: #00ff88;
  border: none;
  color: #002b1d;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #5affb7;
}

.result {
  margin-top: 10px;
  font-size: 13px;
  color: #9efdd6;
}

pre {
  background: rgba(0, 0, 0, 0.6);
  padding: 14px;
  border-radius: 8px;
  border: 1px solid rgba(0, 255, 136, 0.2);
  color: #00ff88;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  margin-top: 12px;
}

@keyframes fall {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(110vh);
  }
}