.left-canvas-card.element-change-mode {
    cursor: default;
}

.left-canvas-card.element-change-mode .canvas-card-size-badge {
    display: none;
}

.left-canvas-card.element-change-mode .canvas-img-container {
    overflow: visible;
}

.element-change-overlay {
    position: absolute;
    inset: 0;
    z-index: 18;
    pointer-events: auto;
}

.element-change-status {
    position: absolute;
    left: 50%;
    top: 12px;
    transform: translateX(-50%);
    max-width: calc(100% - 24px);
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.82);
    color: #fff;
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
    pointer-events: none;
}

.element-change-origin-box,
.element-change-target-box,
.element-change-hover-box {
    position: absolute;
    box-sizing: border-box;
    border-radius: 4px;
}

.element-change-origin-box {
    border: 2px dashed rgba(245, 158, 11, 0.9);
    background: rgba(245, 158, 11, 0.08);
    pointer-events: none;
    z-index: 1;
}

.element-change-corner-connectors {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
    z-index: 2;
}

.element-change-corner-connectors line {
    stroke: rgba(37, 99, 235, 0.78);
    stroke-width: 1.5;
    stroke-dasharray: 5 4;
    stroke-linecap: round;
}

.element-change-corner-connectors.confirmed line {
    stroke: rgba(22, 163, 74, 0.78);
}

.element-change-corner-connectors.erase line {
    stroke: rgba(249, 115, 22, 0.82);
}

.element-change-target-box {
    border: 2px solid #2563eb;
    background: rgba(37, 99, 235, 0.1);
    cursor: move;
    touch-action: none;
    z-index: 3;
}

.element-change-target-box.confirmed {
    border-color: #16a34a;
    background: rgba(22, 163, 74, 0.14);
}

.element-change-target-box.erase {
    border-color: #f97316;
    background: rgba(249, 115, 22, 0.14);
}

.element-change-hover-box {
    border: 2px solid rgba(14, 165, 233, 0.92);
    background: rgba(14, 165, 233, 0.1);
    pointer-events: none;
    z-index: 4;
}

.element-change-hover-box span {
    position: absolute;
    left: -2px;
    top: -22px;
    max-width: 150px;
    padding: 3px 7px;
    border-radius: 6px;
    background: rgba(2, 132, 199, 0.92);
    color: #fff;
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.element-change-box-label {
    position: absolute;
    left: -2px;
    top: -24px;
    max-width: 160px;
    padding: 3px 7px;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.88);
    color: #fff;
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.element-change-box-tools {
    position: absolute;
    left: 4px;
    bottom: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    transform: none;
}

.element-change-mini-btn {
    position: relative;
    border: 0;
    border-radius: 50%;
    width: 13px;
    height: 13px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    cursor: pointer;
    line-height: 1;
    overflow: visible;
}

.element-change-mini-btn:hover {
    background: rgba(15, 23, 42, 0.92);
}

.element-change-mini-btn:hover .element-change-mini-tip,
.element-change-mini-btn:focus-visible .element-change-mini-tip {
    opacity: 1;
    visibility: visible;
}

.element-change-mini-btn svg {
    width: 8px;
    height: 8px;
    display: block;
}

.element-change-mini-btn.restore svg {
    width: 9px;
    height: 9px;
}

.element-change-mini-btn.origin {
    color: #38bdf8;
}

.element-change-mini-btn.confirm {
    color: #22c55e;
}

.element-change-mini-btn.remove {
    color: #ef4444;
}

.element-change-mini-btn.erase {
    color: #f59e0b;
}

.element-change-mini-tip {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    z-index: 30;
    transform: translateX(-50%);
    padding: 3px 9px;
    border-radius: 5px;
    background: #1a1a1a;
    color: #fff;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.3;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

.element-change-resize-handle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid #fff;
    background: #2563eb;
    box-shadow: 0 1px 5px rgba(15, 23, 42, 0.24);
    z-index: 2;
}

.element-change-resize-handle.nw {
    left: -4px;
    top: -4px;
    cursor: nwse-resize;
}

.element-change-resize-handle.n {
    left: 50%;
    top: -4px;
    transform: translateX(-50%);
    cursor: ns-resize;
}

.element-change-resize-handle.ne {
    right: -4px;
    top: -4px;
    cursor: nesw-resize;
}

.element-change-resize-handle.e {
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    cursor: ew-resize;
}

.element-change-resize-handle.se {
    right: -4px;
    bottom: -4px;
    cursor: nwse-resize;
}

.element-change-resize-handle.s {
    left: 50%;
    bottom: -4px;
    transform: translateX(-50%);
    cursor: ns-resize;
}

.element-change-resize-handle.sw {
    left: -4px;
    bottom: -4px;
    cursor: nesw-resize;
}

.element-change-resize-handle.w {
    left: -4px;
    top: 50%;
    transform: translateY(-50%);
    cursor: ew-resize;
}

.element-change-target-box.confirmed .element-change-resize-handle {
    background: #16a34a;
}

.element-change-target-box.erase .element-change-resize-handle {
    background: #f97316;
}

.element-change-actions {
    position: absolute;
    left: 50%;
    top: calc(100% + (8px / var(--current-scale, 1)));
    z-index: 22;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: max-content;
    max-width: calc(100% * var(--current-scale, 1));
    box-sizing: border-box;
    transform: translateX(-50%) scale(calc(1 / var(--current-scale, 1)));
    transform-origin: top center;
}

.element-change-action-btn {
    flex: 0 1 auto;
    min-width: 0;
    border: 0;
    border-radius: 7px;
    padding: 8px 11px;
    background: #111827;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.element-change-action-btn.secondary {
    background: #64748b;
}

.element-change-action-btn.primary {
    background: #2563eb;
}

.element-change-action-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.element-change-panel {
    position: absolute;
    z-index: 21;
    width: 360px;
    max-height: 520px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid rgba(226, 232, 240, 0.96);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.18);
    color: #111827;
    backdrop-filter: blur(8px);
}

.element-change-panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
    font-weight: 800;
}

.element-change-close-btn {
    border: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f1f5f9;
    color: #475569;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.element-change-close-btn:hover {
    background: #e2e8f0;
}

.element-change-panel-status {
    color: #64748b;
    font-size: 12px;
    line-height: 1.5;
}

.element-change-element-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    max-height: 168px;
    overflow: auto;
}

.element-change-element-btn {
    border: 1px solid #dbe3ee;
    border-radius: 999px;
    padding: 6px 10px;
    background: #fff;
    color: #334155;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.element-change-element-btn:hover {
    border-color: #93c5fd;
    color: #1d4ed8;
}

.element-change-element-btn.selected {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.element-change-element-btn.active {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18);
}

.element-change-generation {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 9px;
    padding-top: 2px;
}

.element-change-panel .element-change-model-section,
.element-change-panel .element-change-ratio-section {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.element-change-panel .element-change-ratio-section {
    justify-self: end;
}

.element-change-panel .element-change-model-picker {
    width: 190px;
    max-width: 190px;
}

.element-change-panel .task-model-options {
    top: calc(100% + 6px);
    bottom: auto;
    max-height: 260px;
    overflow: auto;
    z-index: 10070;
}

.element-change-panel .task-ratio-dropdown {
    top: calc(100% + 6px);
    bottom: auto;
    left: 0;
    transform: none;
    margin-bottom: 0;
    z-index: 10070;
}

.element-change-panel .task-ratio-trigger {
    min-height: 28px;
    width: 104px;
    max-width: 104px;
    overflow: hidden;
    white-space: nowrap;
}

.element-change-panel .element-change-size-selector {
    padding: 6px 8px 8px;
    border-bottom: 1px solid #e5e7eb;
    display: block;
}

.element-change-panel .element-change-size-selector .resolution-options {
    justify-content: center;
}

.element-change-panel .element-change-resolution-selector {
    padding: 0;
    border-top: 0;
}

.element-change-generation-summary {
    grid-column: 1 / -1;
    border-radius: 7px;
    padding: 7px 8px;
    background: #f8fafc;
    color: #64748b;
    font-size: 12px;
    line-height: 1.45;
}