ajout de déplacement des carte affichées dans le dashboard et les tryouts

static/css/style.css

@@ -325,12 +325,30 @@ a:hover { color: var(--primary-dark); }
 /* Dashboard Grid */
 .dashboard-grid {
     display: grid;
-    grid-template-columns: 1fr 1fr;
+    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 20px;
 }
 
+/* Allow cards to span full width or be placed flexibly */
+.dashboard-grid .card {
+    min-width: 0;
+}
+
+/* Card position control - can be set via data-position attribute */
+.dashboard-grid .card[data-position="right"] {
+    grid-column: 2 / -1;
+}
+
+.dashboard-grid .card[data-position="left"] {
+    grid-column: 1 / -1;
+}
+
 @media (max-width: 900px) {
     .dashboard-grid { grid-template-columns: 1fr; }
+    .dashboard-grid .card[data-position="right"],
+    .dashboard-grid .card[data-position="left"] {
+        grid-column: auto;
+    }
 }
 
 /* Tables */
@@ -1499,3 +1517,99 @@ a:hover { color: var(--primary-dark); }
     background: var(--bg-tertiary);
     color: var(--text-primary);
 }
+
+/* Draggable Blocks */
+.drag-handle {
+    cursor: move;
+    padding: 8px;
+    margin-right: 8px;
+    border-radius: var(--radius-sm);
+    color: var(--gray-400);
+    transition: var(--transition);
+    display: flex;
+    align-items: center;
+    gap: 2px;
+}
+
+.drag-handle:hover {
+    background: var(--gray-100);
+    color: var(--gray-600);
+}
+
+.drag-handle:active {
+    cursor: grabbing;
+}
+
+.card.dragging {
+    opacity: 0.5;
+    transform: scale(0.98);
+    transition: opacity 0.2s ease, transform 0.2s ease;
+}
+
+/* Drop placeholder - shows where card will be inserted */
+.sortable-placeholder {
+    background: var(--primary-light);
+    border: 2px dashed var(--primary);
+    border-radius: var(--radius);
+    min-height: 100px;
+    opacity: 0.5;
+    width: 100%;
+    box-sizing: border-box;
+}
+
+/* Dark mode placeholder */
+[data-theme="dark"] .sortable-placeholder {
+    background: var(--bg-tertiary);
+    border-color: var(--primary);
+}
+
+/* Ghost is now controlled via inline styles in JS */
+.sortable-ghost {
+    opacity: 0.9;
+}
+
+.sortable-chosen {
+    transform: scale(1.01);
+    box-shadow: var(--shadow-md);
+}
+
+.card-header .drag-handle {
+    margin-left: auto;
+    margin-right: 0;
+}
+
+.card-header .drag-handle:first-child {
+    margin-left: 0;
+}
+
+/* Dark mode drag handle */
+[data-theme="dark"] .drag-handle {
+    color: var(--text-muted);
+}
+
+[data-theme="dark"] .drag-handle:hover {
+    background: var(--bg-tertiary);
+    color: var(--text-secondary);
+}
+
+/* Make cards draggable by header */
+.card-header {
+    cursor: default;
+}
+
+.card-header.draggable {
+    position: relative;
+}
+
+.card-header.draggable:hover .drag-handle {
+    opacity: 1;
+}
+
+.card-header.draggable .drag-handle {
+    opacity: 0.4;
+    position: absolute;
+    right: 16px;
+    top: 50%;
+    transform: translateY(-50%);
+    margin: 0;
+}