body {
  background: #ccc;
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.file-window {
  width: 900px;
  background: #f9f9f9;
  border: 2px solid #aaa;
  box-shadow: 0 0 15px #666;
  display: flex;
  flex-direction: column;
  height: 600px;
}

.title-bar {
  background: linear-gradient(#2e6ac7, #1b4c9b);
  color: #fff;
  padding: 6px 12px;
  display: flex;
  justify-content: space-between;
  font-weight: bold;
  font-size: 14px;
}

.controls span {
  margin-left: 10px;
  cursor: pointer;
  font-weight: bold;
}

.nav-bar {
  background: #e3e3e3;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #ccc;
}

.nav-buttons button {
  background: #f0f0f0;
  border: 1px solid #aaa;
  margin-right: 5px;
  padding: 2px 6px;
  font-size: 12px;
  cursor: pointer;
}

.address-bar {
  margin-left: 10px;
  padding: 4px 10px;
  border: 1px solid #999;
  background: #fff;
  flex-grow: 1;
  font-size: 13px;
}

.toolbar {
  background: #f3f3f3;
  padding: 6px 10px;
  border-bottom: 1px solid #ccc;
}

.toolbar button {
  background: #e0e0e0;
  border: 1px solid #bbb;
  margin-right: 5px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.content-area {
  display: flex;
  flex-grow: 1;
  overflow: hidden;
}

.sidebar {
  width: 200px;
  background: #fff;
  border-right: 1px solid #ccc;
  padding: 10px 0;
  user-select: none;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
}

.sidebar li {
  padding: 6px 16px;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s ease;
  border-radius: 4px;
}

.sidebar li:hover {
  background: #dce6f9;
}

.sidebar hr {
  margin: 8px 0;
  border: none;
  border-top: 1px solid #ddd;
}

.main {
  flex: 1;
  background: #fefefe;
  padding: 20px;
  overflow-y: auto;
  font-size: 14px;
  color: #000;
}

.welcome {
  font-size: 16px;
  color: #333;
  font-weight: 600;
}

.folders {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.folder {
  border: 2px inset #a0a0a0;
  background-color: #f0f0f0;
  padding: 10px;
  width: 200px;
  border-radius: 4px;
}

.folder-name {
  font-weight: bold;
  margin-bottom: 10px;
  background-color: #dcdcdc;
  padding: 5px;
  border: 1px solid #999;
  border-radius: 2px;
  user-select: none;
}

.file-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.file-list li {
  margin: 5px 0;
}

.file-list a {
  color: #0000cc;
  text-decoration: none;
  font-weight: normal;
}

.file-list a:hover {
  text-decoration: underline;
}

.date {
  color: #666;
  font-size: 0.8em;
  margin-left: 5px;
  user-select: none;
}

/* Icon styling */
.icon {
  width: 18px;
  height: 18px;
  margin-right: 10px;
  flex-shrink: 0;
  stroke-width: 2.5;
}