.winshirt-customizer {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #0f172a;
    color: #e2e8f0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.winshirt-topbar,
.winshirt-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
}

.winshirt-body {
    display: grid;
    grid-template-columns: 320px 1fr;
    flex: 1;
    min-height: 0;
}

.winshirt-product-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
}

.winshirt-product-panel h3 {
    margin: 0 0 6px;
    font-size: 15px;
}

.winshirt-product-picker {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 4px 0 6px;
}

.winshirt-product-picker select {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: inherit;
    border-radius: 10px;
    padding: 8px;
}

.winshirt-sidebar {
    background: rgba(255, 255, 255, 0.02);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    overflow-y: auto;
    padding: 12px;
}

.winshirt-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

.winshirt-tabs button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: inherit;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.winshirt-tabs button.active {
    background: var(--winshirt-theme, #3b82f6);
    border-color: transparent;
    color: #0f172a;
    font-weight: 600;
}

.winshirt-tab-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 12px;
}

.winshirt-upload {
    border: 1px dashed rgba(255, 255, 255, 0.3);
    padding: 12px;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 8px;
}

.winshirt-link {
    color: var(--winshirt-theme, #3b82f6);
    cursor: pointer;
}

.winshirt-thumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.winshirt-thumbs img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
}

.winshirt-canvas-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 12px;
    align-items: stretch;
    min-height: 520px;
}

.winshirt-print-zone {
    position: relative;
    background: #111827;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    min-height: 520px;
    aspect-ratio: 1 / 1;
}

.winshirt-print-zone canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.winshirt-overlay {
    position: absolute;
    border: 2px dashed rgba(59, 130, 246, 0.6);
    border-radius: 12px;
    pointer-events: none;
}

.winshirt-layer {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(59, 130, 246, 0.1);
    color: #fff;
    cursor: move;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform-origin: center;
}

.winshirt-layer .winshirt-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--winshirt-theme, #3b82f6);
    border-radius: 50%;
    border: 2px solid #0f172a;
}

.winshirt-layer .winshirt-handle.resize {
    right: -8px;
    bottom: -8px;
    cursor: nwse-resize;
}

.winshirt-layer .winshirt-handle.rotate {
    left: 50%;
    top: -18px;
    transform: translateX(-50%);
    cursor: grab;
}

.winshirt-3d {
    position: relative;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.07), rgba(0, 0, 0, 0.4));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    min-height: 520px;
}

.winshirt-3d canvas {
    width: 100%;
    height: 100%;
    min-height: 520px;
    display: block;
}

.winshirt-zoom {
    position: absolute;
    right: 12px;
    bottom: 12px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
}

.winshirt-footer {
    gap: 12px;
}

.winshirt-preview {
    flex: 1;
    min-height: 64px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 8px;
}

.winshirt-export-actions {
    display: flex;
    gap: 8px;
}

.winshirt-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: inherit;
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.winshirt-btn.primary {
    background: var(--winshirt-theme, #3b82f6);
    color: #0f172a;
    border-color: transparent;
    font-weight: 700;
}

.winshirt-btn:hover {
    transform: translateY(-1px);
}

.winshirt-layer-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.winshirt-layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px;
    border-radius: 8px;
}

.winshirt-layer-item .controls {
    display: flex;
    gap: 6px;
}

@media (max-width: 1024px) {
    .winshirt-body {
        grid-template-columns: 1fr;
    }
    .winshirt-canvas-area {
        grid-template-columns: 1fr;
    }
}