trilium/apps/client/src/widgets/ribbon/style.css

.ribbon-container {
    margin-bottom: 5px;
}

.ribbon-top-row {
    display: flex;
    min-height: 36px;
}

.ribbon-tab-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin-left: 10px;
    flex-grow: 1;
    flex-flow: row wrap;
}

.ribbon-tab-title {
    color: var(--muted-text-color);
    border-bottom: 1px solid var(--main-border-color);
    min-width: 24px;
    flex-basis: 24px;
    max-width: max-content;
    flex-grow: 10;
    user-select: none;
}

.ribbon-tab-title .bx {
    font-size: 150%;
    position: relative;
    top: 3px;
}

.ribbon-tab-title.active {
    color: var(--main-text-color);
    border-bottom: 3px solid var(--main-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ribbon-tab-title:hover {
    cursor: pointer;
}

.ribbon-tab-title:hover {
    color: var(--main-text-color);
}

.ribbon-tab-title:first-of-type {
    padding-left: 10px;
}

.ribbon-tab-spacer {
    flex-basis: 0;
    min-width: 0;
    max-width: 35px;
    flex-grow: 1;
    border-bottom: 1px solid var(--main-border-color);
}

.ribbon-tab-spacer:last-of-type {
    flex-grow: 1;
    flex-basis: 0;
    min-width: 0;
    max-width: 10000px;
}

.ribbon-button-container {
    display: flex;
    border-bottom: 1px solid var(--main-border-color);
    margin-right: 5px;
}

.ribbon-button-container > * {
    position: relative;
    top: -3px;
    margin-left: 10px;
}

.ribbon-body {
    border-bottom: 1px solid var(--main-border-color);
    margin-left: 10px;
    margin-right: 5px; /* needs to have this value so that the bottom border is the same width as the top one */
}

.ribbon-body.active {
    display: block;
}

.ribbon-tab-title.active .ribbon-tab-title-label {
    display: inline;
}

/* #region Basic Properties */

.basic-properties-widget {
    padding: 0px 12px 6px 12px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
}

.basic-properties-widget > * {
    margin-top: 9px;
    margin-bottom: 2px;
    margin-right: 30px;
}

.note-type-container,
.editability-select-container,
.note-language-container {
    display: flex;
    align-items: center;
}

.note-type-dropdown {
    max-height: 500px;
    overflow-y: auto;
    overflow-x: hidden;
}

.editability-dropdown {
    width: 300px;
}

/* #endregion */

/* #region Formatting Toolbar */

.classic-toolbar-widget {
    --ck-color-toolbar-background: transparent;
    --ck-color-button-default-background: transparent;
    --ck-color-button-default-disabled-background: transparent;
    min-height: 39px;
}

.classic-toolbar-widget .ck.ck-toolbar {
    border: none;
}

.classic-toolbar-widget .ck.ck-button.ck-disabled {
    opacity: 0.3;
}

/* #endregion */

/* #region Script Tab */
.script-runner-widget {
    padding: 12px;
    color: var(--muted-text-color);
}

.execute-description {
    margin-bottom: 10px;
}
/* #endregion */

/* #region Note info */
.note-info-widget {
    padding: 12px;
}

.note-info-widget-table {
    max-width: 100%;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

.note-info-widget-table td, .note-info-widget-table th {
    padding: 5px;
}

.note-info-mime {
    max-width: 13em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.note-info-id {
    font-variant: none;
    font-family: var(--monospace-font-family);
    font-size: 0.8em;
    vertical-align: middle !important;
}
/* #endregion */

/* #region Similar Notes */
.similar-notes-wrapper {
    max-height: 200px;
    overflow: auto;
    padding: 12px;
}

.similar-notes-wrapper a {
    display: inline-block;
    border: 1px dotted var(--main-border-color);
    border-radius: 20px;
    background-color: var(--accented-background-color);
    padding: 0 10px 0 10px;
    margin: 0 3px 0 3px;
    max-width: 10em;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
/* #endregion */

/* #region File Properties */
.file-table {
    width: 100%;
    margin-top: 10px;
}

.file-table th, .file-table td {
    padding: 5px;
    overflow-wrap: anywhere;
}

.file-buttons {
    padding: 10px;
    display: flex;
    justify-content: space-evenly;
}
/* #endregion */

/* #region Note paths */
.note-paths-widget {
    padding: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.note-path-list {
    margin-top: 10px;
}

.note-path-list .path-current a {
    font-weight: bold;
}

.note-path-list .path-archived a {
    color: var(--muted-text-color) !important;
}

.note-path-list .path-search a {
    font-style: italic;
}
/* #endregion */

/* #region Note map */
.note-map-ribbon-widget {
    position: relative;
}

.note-map-ribbon-widget .note-map-container {
    height: 100%;
}

.note-map-ribbon-widget .open-full-button, .note-map-ribbon-widget .collapse-button {
    position: absolute;
    right: 5px;
    bottom: 5px;
    z-index: 1000;
}

.style-resolver {
    color: var(--muted-text-color);
    display: none;
}
/* #endregion */

/* #region Attribute editor */
.attribute-list-editor {
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    padding: 0 100px 0 5px !important;
    margin: 0 !important;
    max-height: 100px;
    overflow: auto;
    transition: opacity .1s linear;
}

.attribute-list-editor.ck-content .mention {
    color: var(--muted-text-color) !important;
    background: transparent !important;
}

.attribute-editor-buttons {
    display: flex;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    align-items: center;
    gap: 10px;
}

.attribute-errors {
    color: red;
    padding: 5px 100px 0px 5px; /* large right padding to avoid buttons */
}
/* #endregion */

/* #region Owned Attributes */
.attribute-list {
    margin-left: 7px;
    margin-right: 7px;
    margin-top: 5px;
    margin-bottom: 2px;
    position: relative;
}

.attribute-list-editor p {
    margin: 0 !important;
}

.attribute-list .attr-detail,
.inherited-attributes-widget .attr-detail {
    contain: none;
}

/* #endregion */

/* #region Inherited attributes */
.inherited-attributes-widget {
    position: relative;
}

.inherited-attributes-container {
    color: var(--muted-text-color);
    max-height: 200px;
    overflow: auto;
    padding: 14px 12px 13px 12px;
}
/* #endregion */

/* #region Book properties */
.book-properties-widget {
    padding: 12px 12px 6px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    overflow: hidden;
    align-items: center;
}

.book-properties-widget > * {
    flex-shrink: 0;
}

.book-properties-widget > .type-number > label {
    display: flex;
    align-items: baseline;
}

.book-properties-widget input[type="checkbox"] {
    margin-right: 5px;
}

.book-properties-widget label {
    display: flex;
    justify-content: center;
    align-items: center;
    text-overflow: clip;
    white-space: nowrap;
}
/* #endregion */

/* #region Search definition */
.search-setting-table {
    margin-top: 0;
    margin-bottom: 7px;
    width: 100%;
    border-collapse: separate;
    border-spacing: 10px;
}

.search-setting-table div {
    white-space: nowrap;
}

.search-setting-table .title-column {
    /* minimal width so that table remains static sized and most space remains for middle column with settings */
    width: 50px;
    white-space: nowrap;
}

.search-setting-table .button-column {
    /* minimal width so that table remains static sized and most space remains for middle column with settings */
    width: 50px;
    white-space: nowrap;
    text-align: right;
    vertical-align: middle;
}

.search-setting-table .button-column .dropdown {
    display: inline-block !important;
}

.search-setting-table .button-column .dropdown-menu {
    white-space: normal;
}

.search-setting-table .button-column > * {
    vertical-align: middle;
}

.attribute-list hr {
    height: 1px;
    border-color: var(--main-border-color);
    position: relative;
    top: 4px;
    margin-top: 5px;
    margin-bottom: 0;
}

.search-definition-widget input:invalid {
    border: 3px solid red;
}

.add-search-option button {
    margin: 3px;
}

.dropdown-header {
    background-color: var(--accented-background-color);
}
/* #endregion */

/* #region Note actions */
.note-actions {
    width: 35px;
    height: 35px;
}

.note-actions .dropdown-menu {
    min-width: 15em;
}

.note-actions .dropdown-item .bx {
    position: relative;
    top: 3px;
    font-size: 120%;
    margin-right: 5px;
}

.note-actions .dropdown-item[disabled], .note-actions .dropdown-item[disabled]:hover {
    color: var(--muted-text-color) !important;
    background-color: transparent !important;
    pointer-events: none; /* makes it unclickable */
}
/* #endregion */