* {
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  margin: 0;
  background-color: #f7f9fb;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 420px;
  margin: auto;
  padding: 40px 20px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  text-align: center;
}

h2 {
  color: #1e73be;
  margin-bottom: 20px;
}

#dropZone {
  border: 2px dashed #1e73be;
  border-radius: 12px;
  padding: 40px 20px;
  background: #f0f6ff;
  color: #1e73be;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
}

#dropZone.hover {
  background-color: #d8e9ff;
  border-color: #0f5fa4;
}

#status {
  margin-top: 15px;
  color: #444;
}

#linkSection {
  margin-top: 25px;
}

#fileLink {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
  color: #333;
}

#copyBtn {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #1e73be;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#copyBtn:hover {
  background-color: #0f5fa4;
}

footer {
  text-align: center;
  font-size: 13px;
  color: #555;
  padding: 20px;
  margin-top: auto;
}

footer strong {
  color: #1e73be;
}

.button-group {
  display: flex;
  justify-content: center;
  gap: 10px;
}

#shareBtn {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #1e73be;  /* mismo azul */
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#shareBtn:hover {
  background-color: #0f5fa4;
}