#urlInput {
  width: 90%;
  padding: 10px;
  font-size: 16px;
  border: 2px solid #FCBA03;
  border-radius: 6px;
  margin-top: 10px;
  background-color: #222;
  color: #fff;
}

#urlInput:focus {
  outline: none;
  box-shadow: 0 0 8px rgba(252, 186, 3, 0.6);
}

button {
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  background-color: #007bff;
  color: #fff;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #0056b3;
}

canvas {
  border: 2px solid #FCBA03;
  background: #fff;
  border-radius: 8px;
  padding: 10px;
  margin: 20px auto;
  cursor: zoom-in;
}

#status {
  background: rgba(252, 186, 3, 0.2);
  border: 1px dashed #FCBA03;
  color: #fff;
  padding: 8px;
  border-radius: 6px;
  display: inline-block;
  margin-top: 10px;
  word-break: break-all;
}

/* Modal overlay */
#qrModal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  animation: fadeIn 0.3s ease;
}

#qrModal img {
  width: 340px;
  height: 340px;
  background: #fff;
  border: 3px solid #FCBA03;
  border-radius: 12px;
  padding: 20px;
}

/* Terminal-style URL */
#modalUrl {
  color: #00FF66;
  background-color: #000;
  margin-top: 25px;
  text-align: center;
  word-break: break-all;
  font-family: "Courier New", monospace;
  font-size: 20px;
  font-weight: bold;
  padding: 15px 25px;
  border-radius: 8px;
  border: 2px solid #00FF66;
  max-width: 85%;
}

/* Fullwidth container */
.keep-container.fullwidth {
  max-width: 100%;
  width: 100%;
  border-radius: 0;
  margin: 0;
  border-left: none;
  border-right: none;
}

.keep-container.fullwidth .course-note {
  align-items: center;
  justify-content: center;
  text-align: center;
}

#urlInput, button, canvas, #status {
  margin-left: auto;
  margin-right: auto;
  display: block;
}

/* Modal fade animation only */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@media (max-width: 768px) {
  #qrModal img {
    width: 260px;
    height: 260px;
  }
  #modalUrl {
    font-size: 16px;
    padding: 10px 20px;
  }
}