:root {
    /* Light theme (default) */
    --background: #ffffff;
    --foreground: #000000;
    --link-color: #00e;
    --visited-link: #551a8b;
    --hover-bg: #eeeeee;
    --border-color: #d3d3d3;
    --card-bg: #ffffff;
    --error-bg: #f8d7da;
    --error-color: #721c24;
    --error-border: #f5c6cb;
    --button-bg: #e9e9e9;
    --button-hover: #d9d9d9;
    --delete-button-bg: #ff4444;
    --delete-button-color: white;
    --delete-button-border: #cc0000;
    --delete-button-hover: #cc0000;
    --progress-bg: #f0f0f0;
    --progress-fill: #4CAF50;
}

/* Dark theme */
[data-theme="dark"] {
    --background: #1a1a1a;
    --foreground: #ffffff;
    --link-color: #66b3ff;
    --visited-link: #b366ff;
    --hover-bg: #333333;
    --border-color: #404040;
    --card-bg: #262626;
    --error-bg: #442326;
    --error-color: #ff9999;
    --error-border: #662629;
    --button-bg: #404040;
    --button-hover: #4d4d4d;
    --delete-button-bg: #cc0000;
    --delete-button-color: white;
    --delete-button-border: #990000;
    --delete-button-hover: #990000;
    --progress-bg: #333333;
    --progress-fill: #45a049;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: monospace;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.2;
    padding: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    font-weight: normal;
    margin-bottom: 1rem;
}

.container {
    display: block;
}

.action-forms {
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    padding: 1rem;
    background-color: var(--card-bg);
}

.card {
    background: none;
    padding: 0;
    box-shadow: none;
    margin-bottom: 1rem;
}

.card h2 {
    font-size: 2rem;
    font-weight: normal;
    margin-bottom: 0.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: none;
}

th, td {
    text-align: left;
    padding: 0.25rem 0.5rem;
    border: none;
}

th {
    background: none;
    color: var(--foreground);
    font-weight: normal;
}

th a {
    color: var(--foreground);
}

tr:nth-child(even) {
    background: none;
}

tr:hover {
    background-color: var(--hover-bg);
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:visited {
    color: var(--link-color);
}

a:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: 0.5rem;
}

.form-group label {
    display: inline;
    margin-right: 0.5rem;
}

input[type="text"], input[type="file"] {
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    font-family: monospace;
}

.btn {
    padding: 0.25rem 0.5rem;
    background: var(--button-bg);
    border: 1px solid var(--border-color);
    color: var(--foreground);
    font-family: monospace;
    cursor: pointer;
}

.btn:hover {
    background: var(--button-hover);
}

.breadcrumb {
    margin-bottom: 1rem;
    font-family: monospace;
}

.breadcrumb a {
    color: var(--link-color);
}

.breadcrumb a:visited {
    color: var(--visited-link);
}

.breadcrumb-separator {
    margin: 0 0.25rem;
    color: var(--foreground);
}

.current-path {
    color: var(--foreground);
}

.btn-delete {
    background: var(--delete-button-bg);
    color: var(--delete-button-color);
    border-color: var(--delete-button-border);
}

.btn-delete:hover {
    background: var(--delete-button-hover);
}

.error-message {
    color: var(--error-color);
    background-color: var(--error-bg);
    border-color: var(--error-border);
    padding: 0.5rem;
    margin-bottom: 1rem;
    font-family: monospace;
}

.upload-progress {
    margin: 10px 0;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--progress-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--progress-fill);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    margin-top: 5px;
    font-size: 0.9em;
}

/* Add theme toggle button styles */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem;
    background: var(--button-bg);
    border: 1px solid var(--border-color);
    color: var(--foreground);
    cursor: pointer;
    font-family: monospace;
    z-index: 1000;
}

.theme-toggle:hover {
    background: var(--button-hover);
}