html,
body {
  background-color: #1e1e1e;
  color: #fff;
  font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 15px;
}

a {
  color: #00b4d8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1 {
  margin: 0 0 15px 0;
  font-size: 24px;
  font-weight: 600;
}

h3 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 600;
}

#uploadForm {
  margin: 0 0 0px 0;
}

#dropZone {
  border: 2px dashed #555;
  border-radius: 8px;
  padding: 25px 20px;
  text-align: center;
  background-color: #2a2a2a;
  margin: 0;
  transition: all 0.3s ease;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

#dropZone.dragover {
  border-color: #00b4d8;
  background-color: #333;
  transform: scale(1.01);
}

#dropZone:hover {
  border-color: #777;
  background-color: #333;
}

.upload-icon {
  font-size: 36px;
  margin-bottom: 8px;
  line-height: 1;
}

#dropZone > div {
  font-size: 14px;
  margin: 5px 0;
}

.browse-button {
  background-color: #00b4d8;
  color: #fff;
  border: none;
  padding: 10px 24px;
  font-size: 14px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.3s ease;
  min-height: 38px;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.browse-button:hover {
  background-color: #0096c7;
}

#file {
  display: none;
}

#progressLine {
  font-size: 14px;
  color: #aaa;
  margin: 0;
  padding: 8px 0;
  text-align: center;
}

#files {
  margin-top: 5px;
  line-height: 1.8;
}

#files > * {
  display: inline-block;
  vertical-align: middle;
}

#files a {
  margin: 0 8px 0 0;
  font-size: 14px;
}

#files br {
  display: block;
  content: "";
  margin: 3px 0;
}

button {
  background-color: #d00000;
  color: #fff;
  border: none;
  padding: 4px 12px;
  font-size: 13px;
  border-radius: 3px;
  cursor: pointer;
  margin-right: 8px;
  transition: background-color 0.2s ease;
  min-height: 28px;
  min-width: 60px;
}

button:hover {
  background-color: #9d0208;
}

button:focus {
  outline: 2px solid #00b4d8;
  outline-offset: 2px;
}

.size-limit {
  color: #ff6b6b;
  font-weight: bold;
  font-size: 14px;
}

footer {
  margin-top: 20px;
  font-size: 14px;
  color: #aaa;
  line-height: 1.6;
}