.page-online-design { animation: fadeIn 0.35s ease; }

.online-design-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 16px;
    min-height: calc(100vh - var(--topbar-height) - 78px);
}

.online-design-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px;
    max-height: calc(100vh - var(--topbar-height) - 78px);
    overflow-y: auto;
}

.online-design-studio {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--topbar-height) - 78px);
    overflow: hidden;
}

.design-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.design-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.design-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    min-height: 42px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
}

.design-upload:hover { border-color: var(--accent); }

.design-upload input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.design-inspiration-list {
    margin-top: 8px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(62px, 1fr));
    gap: 8px;
}

.design-thumb {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    height: 62px;
    background: var(--bg-input);
}

.design-thumb.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.design-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.design-empty-hint {
    grid-column: 1 / -1;
    font-size: 12px;
    color: var(--text-muted);
    padding: 8px 0;
}

.design-selected-tip {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.design-studio-toolbar {
    border-bottom: 1px solid var(--border-color);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.design-toolbar-left, .design-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.design-zoom-label {
    min-width: 52px;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.design-canvas-wrap {
    position: relative;
    flex: 1;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        radial-gradient(circle at 15% 10%, rgba(233,30,99,0.1), transparent 35%),
        radial-gradient(circle at 85% 80%, rgba(124,77,255,0.1), transparent 35%),
        var(--bg-primary);
    background-size: 24px 24px, 24px 24px, auto, auto, auto;
    cursor: grab;
}

.design-canvas-wrap.panning { cursor: grabbing; }

.design-stage {
    position: absolute;
    left: 0;
    top: 0;
    width: 5000px;
    height: 3200px;
    transform-origin: 0 0;
}

.design-link-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.design-link-line {
    stroke: rgba(233, 30, 99, 0.8);
    stroke-width: 2;
}

.design-node {
    position: absolute;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-card);
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

.design-node.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 8px 24px rgba(0,0,0,0.28);
}

.design-node-head {
    height: 32px;
    padding: 0 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-input);
    cursor: move;
}

.design-node-title {
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.design-node-head-actions { display: flex; gap: 4px; }

.design-node-btn {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-size: 12px;
    line-height: 18px;
}

.design-node-btn:hover { border-color: var(--accent); color: var(--accent); }

.design-node-body {
    height: calc(100% - 32px);
    padding: 8px;
}

.design-node-text {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: normal;
    word-break: break-word;
}

.design-node-note-input {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 12px;
    line-height: 1.5;
    padding: 8px;
    resize: none;
    outline: none;
}

.design-node-note-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(233, 30, 99, 0.25);
}

.design-node-image-wrap {
    height: calc(100% - 20px);
    border-radius: 8px;
    overflow: hidden;
    background: #000;
}

.design-node-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.design-node-meta {
    height: 18px;
    margin-top: 2px;
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.design-node-pending {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 12px;
}

.design-spinner {
    width: 26px;
    height: 26px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: designSpin 0.85s linear infinite;
}

@keyframes designSpin {
    to { transform: rotate(360deg); }
}

@media (max-width: 1180px) {
    .online-design-layout {
        grid-template-columns: 1fr;
    }
    .online-design-panel {
        max-height: none;
    }
}