@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");

body {
  background: #f4f4f9;
  font-family: "Poppins", sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding: 20px;
}

.container {
  background: white;
  padding: 60px;
  border-radius: 16px;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
  text-align: center;
  width: 95%;
  max-width: 1400px;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  margin: 0 auto;
}

h2 {
  color: #4b0082;
  margin-bottom: 40px;
  font-size: 3rem;
  width: 100%;
}

input[type="file"] {
  display: block;
  width: 80%;
  min-width: 400px;
  margin: 0 auto 35px auto;
  padding: 15px;
  border: 2px solid #4b0082;
  border-radius: 10px;
  background-color: #fafafa;
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 3px 8px rgba(75, 0, 130, 0.25);
  transition:
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

input[type="file"]:hover {
  box-shadow: 0 5px 12px rgba(75, 0, 130, 0.35);
  border-color: #3a006a;
}

button {
  width: 60%;
  min-width: 250px;
  font-size: 1.3rem;
  padding: 18px 0;
  background: #4b0082;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
  font-weight: 600;
}

button:hover {
  background: #36005d;
}

button:disabled {
  background: #999;
  cursor: not-allowed;
}

.message {
  margin-top: 30px;
  color: #4b0082;
  font-weight: 600;
  font-size: 1.4rem;
}

footer {
  text-align: center;
  padding: 20px 0;
  color: #666;
  font-size: 14px;
  position: relative;
  bottom: 0;
  width: 100%;
}

footer a {
  color: #666;
  text-decoration: underline;
  margin-left: 5px;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.fade-out {
  animation: fadeOut 0.5s ease forwards;
}