diff --git a/shaarli-pro/css/custom_views.css b/shaarli-pro/css/custom_views.css
index 2c0c252..68f2d18 100644
--- a/shaarli-pro/css/custom_views.css
+++ b/shaarli-pro/css/custom_views.css
@@ -1288,4 +1288,296 @@ body.view-notes .notes-masonry:empty::after {
     margin: 0;
     color: inherit;
     word-break: break-word;
+}
+
+/* =========================================================
+   Background Studio Panel — #shaarli-bg-studio
+   ========================================================= */
+.bg-studio-panel {
+    position: fixed;
+    z-index: 1200;
+    width: min(360px, calc(100vw - 24px));
+    max-height: min(560px, calc(100vh - 24px));
+    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+    background: var(--special-view-panel-bg);
+    border: 1px solid var(--special-view-border);
+    border-radius: 14px;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.12);
+    color: var(--special-view-strong);
+    font-family: inherit;
+    font-size: 0.9rem;
+}
+
+/* Header row: title + close button */
+.bg-studio-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 8px;
+    padding: 12px 16px 8px;
+    flex-shrink: 0;
+    border-bottom: 1px solid var(--special-view-divider);
+}
+
+.bg-studio-title {
+    font-weight: 600;
+    font-size: 0.95rem;
+    flex: 1;
+}
+
+.bg-studio-close {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 28px;
+    height: 28px;
+    border: none;
+    border-radius: 50%;
+    background: transparent;
+    color: inherit;
+    cursor: pointer;
+    padding: 0;
+    font-size: 1rem;
+    flex-shrink: 0;
+    transition: background 0.15s ease;
+}
+
+.bg-studio-close:hover {
+    background: color-mix(in srgb, var(--text-main) 10%, transparent);
+}
+
+/* Thumbnail gallery */
+.bg-studio-gallery {
+    overflow-y: auto;
+    flex: 0 1 auto;
+    max-height: 200px;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+    padding: 10px 14px;
+}
+
+.bg-studio-tile {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 3px;
+}
+
+.bg-studio-thumb {
+    width: 58px;
+    height: 44px;
+    border-radius: 8px;
+    border: 2px solid transparent;
+    cursor: pointer;
+    padding: 0;
+    background-size: cover;
+    background-position: center;
+    overflow: hidden;
+    background-color: var(--special-view-panel-alt);
+    transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+
+.bg-studio-thumb:hover {
+    border-color: var(--primary);
+}
+
+.bg-studio-thumb.is-active {
+    border-color: var(--primary);
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 40%, transparent);
+}
+
+.bg-studio-thumb-solid {
+    display: block;
+    width: 100%;
+    height: 100%;
+    background: var(--special-view-panel-alt);
+}
+
+.bg-studio-thumb-label {
+    font-size: 0.65rem;
+    color: var(--special-view-muted);
+    text-align: center;
+    max-width: 58px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+/* Color / filter rows section */
+.bg-studio-rows {
+    padding: 8px 14px 6px;
+    flex-shrink: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    border-bottom: 1px solid var(--special-view-divider);
+    overflow-y: auto;
+}
+
+.bg-studio-row {
+    display: flex;
+    flex-direction: column;
+    gap: 5px;
+}
+
+.bg-studio-row-heading {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+}
+
+.bg-studio-row-label {
+    font-size: 0.75rem;
+    font-weight: 600;
+    color: var(--special-view-muted);
+    text-transform: uppercase;
+    letter-spacing: 0.04em;
+}
+
+.bg-studio-reset {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 22px;
+    height: 22px;
+    border: none;
+    background: transparent;
+    color: var(--special-view-muted);
+    cursor: pointer;
+    padding: 0;
+    border-radius: 50%;
+    font-size: 0.9rem;
+    transition: background 0.15s ease, color 0.15s ease;
+}
+
+.bg-studio-reset:hover {
+    background: color-mix(in srgb, var(--text-main) 10%, transparent);
+    color: var(--special-view-strong);
+}
+
+/* Swatches (color dots) */
+.bg-studio-swatches {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 5px;
+}
+
+.bg-studio-swatch {
+    width: 22px;
+    height: 22px;
+    border-radius: 50%;
+    border: 2px solid transparent;
+    cursor: pointer;
+    padding: 0;
+    flex-shrink: 0;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
+    transition: border-color 0.15s ease, transform 0.1s ease;
+}
+
+.bg-studio-swatch:hover {
+    transform: scale(1.15);
+}
+
+.bg-studio-swatch.is-active {
+    border-color: var(--primary);
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 40%, transparent);
+}
+
+.bg-studio-swatch-custom {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    background: var(--special-view-panel-alt);
+    border-color: var(--special-view-border);
+    font-size: 0.75rem;
+    color: var(--special-view-muted);
+}
+
+/* Filter buttons */
+.bg-studio-filters {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 4px;
+}
+
+.bg-studio-filter-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 30px;
+    height: 30px;
+    border: 1px solid var(--special-view-border);
+    border-radius: 8px;
+    background: transparent;
+    color: var(--special-view-muted);
+    cursor: pointer;
+    padding: 0;
+    font-size: 0.95rem;
+    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
+}
+
+.bg-studio-filter-btn:hover {
+    background: color-mix(in srgb, var(--text-main) 8%, transparent);
+    color: var(--special-view-strong);
+}
+
+.bg-studio-filter-btn.is-active {
+    background: color-mix(in srgb, var(--primary) 12%, transparent);
+    border-color: var(--primary);
+    color: var(--primary);
+}
+
+/* Search bar at the bottom */
+.bg-studio-search {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    padding: 8px 14px;
+    border-top: 1px solid var(--special-view-divider);
+    flex-shrink: 0;
+}
+
+.bg-studio-search > i {
+    color: var(--special-view-muted);
+    font-size: 1rem;
+    flex-shrink: 0;
+}
+
+.bg-studio-search-input {
+    flex: 1;
+    border: none;
+    background: transparent;
+    color: var(--special-view-strong);
+    font-family: inherit;
+    font-size: 0.85rem;
+    outline: none;
+    min-width: 0;
+}
+
+.bg-studio-search-input::placeholder {
+    color: var(--special-view-muted);
+}
+
+.bg-studio-clear {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 20px;
+    height: 20px;
+    border: none;
+    background: transparent;
+    color: var(--special-view-muted);
+    cursor: pointer;
+    padding: 0;
+    border-radius: 50%;
+    font-size: 0.85rem;
+    transition: background 0.15s ease, color 0.15s ease;
+}
+
+.bg-studio-clear:hover {
+    background: color-mix(in srgb, var(--text-main) 10%, transparent);
+    color: var(--special-view-strong);
 }
\ No newline at end of file