diff --git a/radicale/web/internal_data/css/main-dark.css b/radicale/web/internal_data/css/main-dark.css
new file mode 100644
index 00000000..059e1d2e
--- /dev/null
+++ b/radicale/web/internal_data/css/main-dark.css
@@ -0,0 +1,636 @@
+body {
+    background: #0f1115;
+    color: #e5e7eb;
+    font-family: sans-serif;
+    font-size: 14pt;
+    margin: 0;
+    min-height: 100vh;
+    display: flex;
+    flex-wrap: wrap;
+    flex-direction: row;
+    align-content: center;
+    align-items: flex-start;
+    justify-content: space-around;
+}
+
+main {
+    width: 100%;
+}
+
+.container {
+    height: auto;
+    min-height: 500px;
+    width: 95%;
+    max-width: 450px;
+    box-sizing: border-box;
+    transition: .2s;
+    overflow: hidden;
+    padding: 1ex 1em 1ex 1em;
+    background: #1b1b22;
+    border: 1px solid #2a2a33;
+    border-radius: 8px;
+    box-shadow: 2px 2px 10px #00000066;
+    display: block;
+    flex-shrink: 0;
+    margin: 0 auto;
+}
+
+.container h1 {
+    margin: 0;
+    width: 100%;
+    text-align: center;
+    color: #e5e7eb;
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 1ex 0;
+}
+
+th,
+td {
+    text-align: left;
+    font-size: 0.8em;
+    padding: 0.2ex 0.2em;
+}
+
+tr {
+    border-bottom: 1px solid #2a2a33;
+}
+
+tr:last-child {
+    border-bottom: none;
+}
+
+th {
+    font-size: 0.8em;
+    color: #a1a1aa;
+    font-weight: normal;
+    text-transform: uppercase;
+}
+
+td.fill {
+    width: 100%;
+}
+
+details {
+    border: 1px solid #2a2a33;
+    border-radius: 0.7ex;
+    padding: 0.5ex 0.7ex;
+    margin-bottom: 1ex;
+    background: #1b1b22;
+}
+
+summary {
+    font-weight: bold;
+    cursor: pointer;
+    padding: 0.2ex 0;
+    outline: none;
+}
+
+summary:hover {
+    color: #2494fe;
+}
+
+#loginscene .infcloudlink {
+    margin: 0;
+    width: 100%;
+    text-align: center;
+    color: #a1a1aa;
+}
+
+#loginscene .infcloudlink-hidden {
+    visibility: hidden;
+}
+
+#loginscene .logocontainer {
+    width: 100%;
+    text-align: center;
+}
+
+#loginscene .logocontainer img {
+    width: 75px;
+}
+
+#loginscene h1 {
+    text-align: center;
+    font-family: sans-serif;
+    font-weight: normal;
+}
+
+#loginscene button {
+    float: right;
+}
+
+#loadingscene {
+    width: 100%;
+    height: 100%;
+    background: #12141a;
+    position: absolute;
+    top: 0;
+    left: 0;
+    display: flex;
+    flex-wrap: nowrap;
+    justify-content: center;
+    align-items: center;
+    flex-direction: column;
+    overflow: hidden;
+    z-index: 999;
+}
+
+#loadingscene h2 {
+    font-size: 2em;
+    font-weight: bold;
+}
+
+#logoutview {
+    width: 100%;
+    display: block;
+    background: #1b1b22;
+    text-align: center;
+    padding: 10px 0px;
+    color: #a1a1aa;
+    border-bottom: 2px solid #2a2a33;
+    position: fixed;
+}
+
+#logoutview span {
+    width: calc(100% - 60px);
+    display: inline-block;
+    word-wrap: break-word;
+}
+
+#logoutview a {
+    color: #e5e7eb;
+    text-decoration: none;
+    padding: 3px 10px;
+    position: relative;
+    border-radius: 4px;
+}
+
+#logoutview a[data-name=logout] {
+    right: 25px;
+    float: right;
+}
+
+#logoutview a[data-name=refresh] {
+    left: 25px;
+    float: left;
+}
+
+#logoutview .version {
+    float: right !important;
+    width: auto !important;
+    margin-right: 10px;
+    position: relative;
+    right: 25px;
+    font-size: 0.8em;
+    color: #6b7280;
+    line-height: 2.2em;
+}
+
+#collectionsscene {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    align-content: flex-start;
+    align-items: center;
+    margin-top: 50px;
+    width: 100%;
+    height: 100vh;
+}
+
+#collectionsscene article {
+    width: 275px;
+    background: #1b1b22;
+    border-radius: 8px;
+    box-shadow: 2px 2px 10px #00000066;
+    border: 1px solid #2a2a33;
+    padding: 5px 10px;
+    padding-top: 0;
+    margin: 10px;
+    float: left;
+    min-height: 375px;
+    overflow: hidden;
+}
+
+#collectionsscene article .colorbar {
+    width: 500%;
+    height: 15px;
+    margin: 0px -100%;
+    background: #111827;
+}
+
+#collectionsscene article .title {
+    width: 100%;
+    text-align: center;
+    font-size: 1.5em;
+    display: block;
+    padding: 10px 0;
+    margin: 0;
+}
+
+#collectionsscene article small {
+    font-size: 15px;
+    float: left;
+    font-weight: normal;
+    font-style: italic;
+    padding-bottom: 10px;
+    width: 100%;
+    text-align: center;
+}
+
+#collectionsscene article input[type=text] {
+    margin-bottom: 0 !important;
+}
+
+#collectionsscene article p {
+    font-size: 1em;
+    max-height: 130px;
+    overflow: auto;
+    word-wrap: break-word;
+}
+
+#collectionsscene article:hover ul {
+    visibility: visible;
+}
+
+#collectionsscene ul {
+    visibility: hidden;
+    display: flex;
+    justify-content: space-evenly;
+    width: 60%;
+    margin: 0 20%;
+    padding: 0;
+}
+
+#collectionsscene li {
+    list-style: none;
+    display: block;
+}
+
+#collectionsscene li a {
+    text-decoration: none !important;
+    padding: 5px;
+    float: left;
+    border-radius: 5px;
+    width: 25px;
+    height: 25px;
+    text-align: center;
+}
+
+#collectionsscene article small[data-name=contentcount] {
+    font-weight: bold;
+    font-style: normal;
+}
+
+#editcollectionscene p span {
+    word-wrap: break-word;
+    font-weight: bold;
+    color: #22c55e;
+}
+
+#deletecollectionscene p span {
+    word-wrap: break-word;
+    font-weight: bold;
+    color: #ef4444;
+}
+
+#uploadcollectionscene ul {
+    margin: 10px -30px;
+    max-height: 600px;
+    overflow-y: scroll;
+}
+
+#uploadcollectionscene li {
+    border-bottom: 1px dashed #2a2a33;
+    margin-bottom: 10px;
+    padding-bottom: 10px;
+}
+
+#uploadcollectionscene div[data-name=pending] {
+    width: 100%;
+    text-align: center;
+}
+
+#uploadcollectionscene .successmessage {
+    color: #22c55e;
+    width: 100%;
+    text-align: center;
+    display: block;
+    margin-top: 15px;
+}
+
+#newshare input[type=text] {
+    margin-bottom: 0 !important;
+}
+
+.deleteconfirmationtxt {
+    text-align: center;
+    font-size: 1em;
+    font-weight: bold;
+}
+
+.fabcontainer {
+    display: flex;
+    flex-direction: column-reverse;
+    position: fixed;
+    bottom: 5px;
+    right: 0;
+}
+
+.fabcontainer a {
+    width: 30px;
+    height: 30px;
+    text-decoration: none;
+    color: #e5e7eb;
+    border: none !important;
+    border-radius: 100%;
+    margin: 5px 10px;
+    background: #111827;
+    text-align: center;
+    display: flex;
+    align-content: center;
+    justify-content: center;
+    align-items: center;
+    font-size: 30px;
+    padding: 10px;
+    box-shadow: 2px 2px 10px #000000aa;
+}
+
+.title {
+    word-wrap: break-word;
+    font-weight: bold;
+}
+
+.icon {
+    width: 100%;
+    height: 100%;
+    filter: invert(1);
+}
+
+.small_icon {
+    width: 1em;
+    height: 1em;
+    filter: invert(1);
+}
+
+.med_icon {
+    width: 1.5em;
+    height: 1.5em;
+}
+
+.badge_icon {
+    width: 1em;
+    height: 1em;
+    position: absolute;
+    top: -5px;
+    right: -5px;
+    filter: invert(1);
+    border-radius: 50%;
+    background-color: #1b1b22;
+}
+
+.smalltext {
+    font-size: 75% !important;
+}
+
+.error {
+    width: 100%;
+    display: block;
+    text-align: center;
+    color: #f87171;
+    font-family: sans-serif;
+    clear: both;
+    padding-top: 15px;
+}
+
+img.loading {
+    width: 150px;
+    height: 150px;
+}
+
+.error::before {
+    content: "!";
+    height: 1.4em;
+    color: white;
+    background: #ef4444;
+    font-weight: bold;
+    border-radius: 100%;
+    display: inline-block;
+    width: 1.4em;
+    margin-right: 5px;
+    font-size: 1em;
+    text-align: center;
+}
+
+button {
+    font-size: 1em;
+    padding: 7px 21px;
+    color: #e5e7eb;
+    border-radius: 4px;
+    float: right;
+    margin-left: 10px;
+    background: #111827;
+    cursor: pointer;
+    position: relative;
+}
+
+input,
+select {
+    width: 100%;
+    height: 3em;
+    border-style: solid;
+    border-color: #2a2a33;
+    border-width: 1px;
+    border-radius: 7px;
+    margin-bottom: 25px;
+    padding-left: 15px;
+    padding-right: 15px;
+    outline: none !important;
+    box-sizing: border-box;
+    background: #0f1115;
+    color: #e5e7eb;
+}
+
+input:active,
+input:focus,
+input:focus-visible {
+    border-color: #2494fe !important;
+    border-width: 1px !important;
+}
+
+.url-input-wrapper {
+    position: relative;
+    width: 100%;
+    margin-bottom: 0;
+    display: flex;
+    align-items: center;
+    clear: both;
+}
+
+td .url-input-wrapper input {
+    min-height: 4ex;
+}
+
+.url-input-wrapper input {
+    flex: 1;
+    min-width: 40px;
+    min-height: 6ex;
+    padding-left: 0.5em;
+    padding-top: 0.5ex;
+    padding-bottom: 0.5ex;
+    padding-right: 22px !important;
+    box-sizing: border-box;
+    width: 100% !important;
+    margin-bottom: 0 !important;
+    height: 2ex;
+    background: #0f1115;
+    color: #e5e7eb;
+}
+
+#collectionsscene article .url-input-wrapper {
+    margin-bottom: 15px;
+}
+
+.copy-btn {
+    flex: none;
+    margin-left: -30px;
+    background: transparent;
+    border: none;
+    color: #60a5fa;
+    font-size: 1.25em;
+    cursor: pointer;
+    padding: 0;
+    width: 30px;
+    height: 30px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border-radius: 4px;
+    transition: background-color 0.2s, color 0.2s, transform 0.1s;
+    line-height: 1;
+    z-index: 2;
+    float: none;
+    margin-bottom: 0;
+    margin-top: 0;
+    margin-right: 8px;
+}
+
+.copy-btn:hover {
+    background-color: #1b2a3a;
+    color: #93c5fd;
+}
+
+.copy-btn:active {
+    transform: scale(0.9);
+}
+
+.copy-btn.copied {
+    color: #22c55e;
+}
+
+input[type=radio],
+input[type=checkbox] {
+    width: auto;
+    height: 1.5em;
+    padding: 0;
+    margin: 2px;
+}
+
+p.red,
+span.red {
+    color: #f87171;
+}
+
+button.red,
+a.red {
+    background: #7f1d1d;
+    border: 1px solid #991b1b;
+}
+
+button.red:hover,
+a.red:hover {
+    background: #991b1b;
+}
+
+button.red:active,
+a.red:active {
+    background: #b91c1c;
+}
+
+button.green,
+a.green {
+    background: #14532d;
+    border: 1px solid #166534;
+}
+
+button.green:hover,
+a.green:hover {
+    background: #166534;
+}
+
+button.green:active,
+a.green:active {
+    background: #22c55e;
+}
+
+button.blue,
+a.blue {
+    background: #1d4ed8;
+    border: 1px solid #1e40af;
+}
+
+button.blue:hover,
+a.blue:hover {
+    background: #2563eb;
+    cursor: pointer !important;
+}
+
+button.blue:active,
+a.blue:active {
+    background: #1e40af;
+    cursor: pointer !important;
+}
+
+button.inline {
+    padding-left: 1px;
+    padding-right: 1px;
+    min-width: 2em;
+    margin: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+@media only screen and (max-width: 600px) {
+    #collectionsscene {
+        flex-direction: column !important;
+        flex-wrap: nowrap;
+    }
+
+    #collectionsscene ul {
+        visibility: visible !important;
+    }
+}
+
+.pill {
+    display: inline-block;
+    padding: 0.25em 0.6em;
+    font-size: 75%;
+    font-weight: 700;
+    line-height: 1;
+    text-align: center;
+    white-space: nowrap;
+    vertical-align: middle;
+    border-radius: 0.7ex;
+    background-color: #3a3f4b;
+    color: #e5e7eb;
+    margin: 0 2px;
+    min-width: 1.3em;
+}
+
+.hidden {
+    display: none !important;
+}