@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

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

body {
  font-family: "Share Tech Mono", monospace;
  background: radial-gradient(circle at center, #001100 0%, #000000 80%);
  color: #00ff66;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

header {
  text-align: center;
  padding: 25px 20px;
  font-size: 2.5em;
  font-weight: bold;
  color: #00ff66;
  text-shadow: 0 0 20px #00ff66, 0 0 40px #00aa33, 0 0 60px #006622;
  letter-spacing: 3px;
  border-bottom: 1px solid rgba(0, 255, 102, 0.2);
}

.container {
  width: 90%;
  max-width: 1000px;
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  justify-content: center;
  margin: 30px auto;
  flex: 1;
}

.section {
  background: rgba(0, 20, 0, 0.85);
  border: 1px solid #00ff66;
  border-radius: 12px;
  padding: 25px 20px;
  flex: 1 1 400px;
  box-shadow: 0 0 20px #003300 inset, 0 0 15px #00ff66;
  text-align: center;
  transition: 0.3s ease;
}

.section:hover {
  box-shadow: 0 0 25px #00ff66, 0 0 35px #009944;
  transform: translateY(-5px);
}

.section h2 {
  color: #00ff66;
  border-bottom: 1px dashed #00ff66;
  padding-bottom: 10px;
  margin-bottom: 18px;
  text-shadow: 0 0 10px #00ff66;
  font-size: 1.3em;
  letter-spacing: 1px;
}

input[type=file] {
  display: none;
}

label,
.btn {
  display: inline-block;
  background: transparent;
  color: #00ff66;
  font-weight: bold;
  border-radius: 8px;
  padding: 12px 24px;
  cursor: pointer;
  border: 1px solid #00ff66;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.9em;
}

label:hover,
.btn:hover {
  background: #00ff66;
  color: #001100;
  box-shadow: 0 0 20px #00ff66, 0 0 40px #009944;
}

.btn.secondary {
  background: transparent;
  color: #00ffcc;
  border: 1px solid #00ffcc;
}

.btn.secondary:hover {
  background: #00ffcc;
  color: #001100;
  box-shadow: 0 0 20px #00ffcc;
}

p {
  margin-top: 18px;
  font-size: 1em;
  color: #00ff99;
  white-space: pre-line;
  line-height: 1.6;
  min-height: 50px;
}

.highlight {
  color: #00ffcc;
  font-weight: bold;
  text-shadow: 0 0 10px #00ffcc;
}

.controls {
  margin-top: 18px;
}

.controls .btn {
  margin: 5px 8px;
}

footer {
  margin-top: auto;
  padding: 20px;
  color: #00ff66;
  font-size: 1.1em;
  text-shadow: 0 0 10px #00ff66, 0 0 20px #009944;
  text-align: center;
  width: 100%;
  background: rgba(0, 20, 0, 0.6);
  border-top: 1px solid rgba(0, 255, 102, 0.3);
  letter-spacing: 1px;
  backdrop-filter: blur(5px);
}

/* Footer এর ভেতরের টেক্সট আলাদা স্টাইল */
footer span {
  color: #00ffcc;
  text-shadow: 0 0 15px #00ffcc;
}

/* মোবাইল রেসপন্সিভ */
@media (max-width: 600px) {
  header {
    font-size: 1.8em;
    padding: 15px 10px;
  }
  
  .section {
    padding: 18px 15px;
    flex: 1 1 100%;
  }
  
  label, .btn {
    padding: 10px 16px;
    font-size: 0.8em;
    width: 100%;
    margin: 5px 0;
  }
  
  .controls .btn {
    margin: 5px 0;
  }
  
  footer {
    font-size: 0.9em;
    padding: 15px;
  }
  
  .container {
    margin: 15px auto;
    gap: 15px;
  }
}