* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

/* Dark Theme (Default) */
body.dark-theme {
    color: #e0e0e0;
    background-color: #121212;
}

.dark-theme .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #fff;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.dark-theme header {
    background-color: #1e1e1e;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

.dark-theme .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dark-theme #themeToggleBtn {
    background-color: transparent;
    border: none;
    color: #e0e0e0;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
}

.breadcrumb {
    margin-top: 10px;
}

.dark-theme .breadcrumb {
    margin-top: 10px;
}

.crumb {
    cursor: pointer;
    color: #007bff;
    margin-right: 5px;
}

.dark-theme .crumb {
    cursor: pointer;
    color: #60a5fa;
    margin-right: 5px;
}

.crumb:hover {
    text-decoration: underline;
}

.dark-theme .crumb:hover {
    text-decoration: underline;
}

.crumb::after {
    content: " / ";
    color: #333;
}

.dark-theme .crumb::after {
    content: " / ";
    color: #e0e0e0;
}

.crumb:last-child::after {
    content: "";
}

.dark-theme .crumb:last-child::after {
    content: "";
}

.toolbar {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.dark-theme .toolbar {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

button {
    padding: 8px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.dark-theme button {
    padding: 8px 15px;
    background-color: #3366cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0069d9;
}

.dark-theme button:hover {
    background-color: #254e99;
}

.file-browser {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.dark-theme .file-browser {
    background-color: #1e1e1e;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

.dark-theme table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.dark-theme th, .dark-theme td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #333;
}

th {
    background-color: #f8f9fa;
}

.dark-theme th {
    background-color: #252525;
    color: #e0e0e0;
}

tr:hover {
    background-color: #f1f1f1;
}

.dark-theme tr:hover {
    background-color: #252525;
}

.folder {
    color: #ffc107;
    font-weight: bold;
    cursor: pointer;
}

.dark-theme .folder {
    color: #ffd700;
    font-weight: bold;
    cursor: pointer;
}

.folder:hover {
    text-decoration: underline;
}

.dark-theme .folder:hover {
    text-decoration: underline;
}

.file {
    color: #007bff;
}

.dark-theme .file {
    color: #60a5fa;
}

.upload-queue-container {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px;
    margin-bottom: 20px;
}

.dark-theme .upload-queue-container {
    background-color: #1e1e1e;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    padding: 15px;
    margin-bottom: 20px;
}

.upload-queue {
    max-height: 200px;
    overflow-y: auto;
}

.dark-theme .upload-queue {
    max-height: 200px;
    overflow-y: auto;
}

.upload-item {
    margin-bottom: 10px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.dark-theme .upload-item {
    margin-bottom: 10px;
    padding: 10px;
    background-color: #252525;
    border-radius: 4px;
}

.progress-container {
    height: 20px;
    background-color: #ddd;
    border-radius: 10px;
    margin-top: 5px;
}

.dark-theme .progress-container {
    height: 20px;
    background-color: #333;
    border-radius: 10px;
    margin-top: 5px;
}

.progress-bar {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 10px;
    width: 0;
    transition: width 0.3s;
}

.dark-theme .progress-bar {
    height: 100%;
    background-color: #4CAF50;
    border-radius: 10px;
    width: 0;
    transition: width 0.3s;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.dark-theme .modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    border-radius: 5px;
    width: 300px;
}

.dark-theme .modal-content {
    background-color: #252525;
    margin: 15% auto;
    padding: 20px;
    border-radius: 5px;
    width: 300px;
}

.close {
    float: right;
    font-size: 28px;
    cursor: pointer;
}

.dark-theme .close {
    float: right;
    font-size: 28px;
    cursor: pointer;
    color: #e0e0e0;
}

#folderName {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
}

.dark-theme #folderName {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    background-color: #333;
    border: 1px solid #444;
    color: #e0e0e0;
    border-radius: 4px;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

.dark-theme .action-buttons {
    display: flex;
    gap: 5px;
}

.dark-theme input[type="text"]:focus {
    outline: none;
    border-color: #3366cc;
}

/* Add styles for the speed dialog and external transfer button */
.dark-theme #externalTransferBtn {
    background-color: #563d7c;
    margin-left: auto;
}

.dark-theme #externalTransferBtn:hover {
    background-color: #6c51a4;
}

.dark-theme .setting-group {
    margin: 15px 0;
}

.dark-theme .setting-group label {
    display: block;
    margin-bottom: 5px;
}

.dark-theme .setting-group input[type="range"] {
    width: 100%;
    background: #333;
}

.dark-theme .setting-note {
    font-size: 0.85em;
    color: #999;
    margin-top: 15px;
}

.dark-theme .method {
    font-size: 0.85em;
    color: #60a5fa;
    margin-right: 10px;
}

.dark-theme .cancel-upload {
    background-color: #dc3545;
    font-size: 0.8em;
    padding: 3px 8px;
    margin-left: 10px;
}

.dark-theme .cancel-upload:hover {
    background-color: #c82333;
}

.dark-theme #speedSettingsBtn {
    background-color: #28a745;
    margin-left: auto;
}

.dark-theme #speedSettingsBtn:hover {
    background-color: #218838;
}

/* Light theme support if needed */
body.light-theme {
    color: #333;
    background-color: #f4f4f4;
}

/* Light theme styles... */