/* ================================================================
   OKU 3D Print — Public Styles v2.0
   Covers both: shortcode form + WooCommerce product page configurator
   ================================================================ */

/* ── Reset ── */
.oku-pc-wrap *, .oku-3dp-wrap *, .oku-success-overlay * {
    box-sizing: border-box;
}

/* ── CSS Variables ── */
.oku-pc-wrap, .oku-3dp-wrap {
    --oku-accent:   #6366f1;
    --oku-accent-h: #4f46e5;
    --oku-dark:     #0d111a;
    --oku-success:  #16a34a;
    --oku-danger:   #dc2626;
    --oku-border:   #e5e7eb;
    --oku-bg:       #f9fafb;
    --oku-white:    #ffffff;
    --oku-text:     #111827;
    --oku-muted:    #6b7280;
    --oku-radius:   12px;
    --oku-rsm:      8px;
    --oku-shadow:   0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.05);
    --oku-ease:     0.18s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--oku-text);
}

/* ================================================================
   PRODUCT PAGE CONFIGURATOR  (.oku-pc-*)
   ================================================================ */

.oku-pc-wrap {
    margin: 0 0 32px;
    width: 100%;
}

/* Two-column layout */
.oku-pc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

/* ── Left: Viewer ── */
.oku-pc-left {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.oku-pc-viewer-box {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #f4f4f8;
    border-radius: var(--oku-radius);
    overflow: hidden;
    border: 1px solid var(--oku-border);
}

/* Drop zone */
.oku-pc-dropzone {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    background: #f4f4f8;
    transition: background var(--oku-ease);
}

.oku-pc-dropzone:hover, .oku-pc-dropzone.drag-over {
    background: #eef0ff;
}

.oku-file-input-hidden {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.oku-pc-drop-icon { margin-bottom: 4px; }
.oku-pc-drop-title {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #374151 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}
.oku-pc-drop-hint {
    font-size: 12px;
    color: var(--oku-muted);
    margin: 0 !important;
    padding: 0 !important;
}
.oku-pc-drop-badge {
    font-size: 11px;
    color: var(--oku-muted);
    background: #e5e7eb;
    padding: 2px 10px;
    border-radius: 20px;
    display: inline-block;
}

/* Canvas */
.oku-pc-wrap #oku-3d-canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    cursor: grab;
}
.oku-pc-wrap #oku-3d-canvas:active { cursor: grabbing; }

/* Viewer loading */
.oku-pc-viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #f4f4f8;
    color: var(--oku-muted);
    font-size: 13px;
}
.oku-pc-loading-spinner {
    width: 32px; height: 32px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--oku-accent);
    border-radius: 50%;
    animation: oku3dp-spin 0.7s linear infinite;
}

/* Controls bar */
.oku-pc-viewer-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
    z-index: 10;
}
.oku-pc-viewer-filename {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 60%;
}
.oku-pc-vbtn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 9px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 5px;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background var(--oku-ease);
}
.oku-pc-vbtn:hover { background: rgba(255,255,255,0.28); }
.oku-pc-vbtn--remove { background: rgba(220,38,38,0.35); border-color: rgba(220,38,38,0.5); }
.oku-pc-vbtn--remove:hover { background: rgba(220,38,38,0.6); }

.oku-pc-viewer-hint {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: rgba(255,255,255,0.5);
    pointer-events: none;
    white-space: nowrap;
    background: rgba(0,0,0,0.3);
    padding: 2px 10px;
    border-radius: 20px;
}

/* Upload button */
.oku-pc-upload-btn {
    width: 100%;
    height: 46px;
    background: #6366f1;
    color: #fff !important;
    border: none !important;
    border-radius: var(--oku-rsm);
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background var(--oku-ease), transform 0.12s;
    text-decoration: none;
    box-shadow: none;
}
.oku-pc-upload-btn:hover { background: #4f46e5; transform: translateY(-1px); }

/* Progress */
.oku-pc-progress { padding: 4px 0; }
.oku-pc-progress-track {
    background: var(--oku-border);
    border-radius: 100px;
    height: 5px;
    overflow: hidden;
    margin-bottom: 5px;
}
.oku-pc-progress-bar {
    height: 100%;
    background: var(--oku-accent);
    border-radius: 100px;
    width: 0%;
    transition: width 0.3s;
}
.oku-pc-progress-label { font-size: 11px; color: var(--oku-muted); }

/* Stats */
.oku-pc-stats {
    background: var(--oku-white);
    border: 1px solid var(--oku-border);
    border-radius: var(--oku-rsm);
    padding: 10px 12px;
}
.oku-pc-stats-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--oku-muted);
    margin-bottom: 8px;
}
.oku-pc-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.oku-pc-stat-item {
    background: var(--oku-bg);
    border-radius: 6px;
    padding: 6px 8px;
}
.oku-pc-stat-label { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--oku-muted); display: block; margin-bottom: 1px; }
.oku-pc-stat-val   { font-size: 13px; font-weight: 700; color: var(--oku-text); display: block; }

/* Build volume warning */
.oku-pc-bv-warn {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: #fffbeb;
    border: 1px solid #fbbf24;
    border-radius: var(--oku-rsm);
    font-size: 12px;
    color: #92400e;
    line-height: 1.4;
}

/* Error */
.oku-pc-error {
    padding: 10px 12px;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--oku-rsm);
    color: var(--oku-danger);
    font-size: 12.5px;
    font-weight: 500;
}

/* ── Right: Step accordion ── */
.oku-pc-right {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.oku-pc-step {
    background: var(--oku-white);
    border: 1px solid var(--oku-border);
    border-radius: var(--oku-radius);
    overflow: hidden;
    box-shadow: var(--oku-shadow);
}

.oku-pc-step.is-open { border-color: #c7d2fe; }
.oku-pc-step.is-done .oku-pc-step-num { background: var(--oku-success) !important; }

.oku-pc-step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    cursor: pointer;
    user-select: none;
    transition: background var(--oku-ease);
}
.oku-pc-step-header:hover { background: #fafafa; }

.oku-pc-step-num {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--oku-accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.oku-pc-step-title {
    font-size: 14px !important;
    font-weight: 700 !important;
    color: var(--oku-text) !important;
    flex: 1;
}

.oku-pc-step-summary {
    font-size: 12px;
    color: var(--oku-accent);
    font-weight: 600;
}

.oku-pc-chevron {
    transition: transform var(--oku-ease);
    color: var(--oku-muted);
    flex-shrink: 0;
}
.oku-pc-step.is-open .oku-pc-chevron { transform: rotate(180deg); }

.oku-pc-step-body {
    padding: 4px 16px 16px;
    border-top: 1px solid var(--oku-border);
}

/* Selected badge inside step */
.oku-pc-selected-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--oku-accent);
    margin-bottom: 8px;
    min-height: 16px;
}

/* Radio list */
.oku-pc-radio-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.oku-pc-radio-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1.5px solid var(--oku-border);
    border-radius: var(--oku-rsm);
    cursor: pointer;
    transition: border-color var(--oku-ease), background var(--oku-ease);
    font-weight: 400;
    color: var(--oku-text);
}
.oku-pc-radio-item:hover { border-color: var(--oku-accent); background: #f5f3ff; }
.oku-pc-radio-item.active { border-color: var(--oku-accent); background: #eef2ff; }

.oku-pc-radio-item input[type="radio"] { display: none; }

.oku-pc-radio-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 2px solid var(--oku-border);
    flex-shrink: 0;
    transition: border-color var(--oku-ease), background var(--oku-ease);
    position: relative;
}
.oku-pc-radio-item.active .oku-pc-radio-dot {
    border-color: var(--oku-accent);
    background: var(--oku-accent);
    box-shadow: inset 0 0 0 3px #fff;
}

.oku-pc-radio-label { flex: 1; font-size: 13px; font-weight: 500; }

.oku-pc-radio-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 20px;
}
.oku-pc-badge-purple { background: #ede9fe; color: #6d28d9; }
.oku-pc-badge-green  { background: #dcfce7; color: #15803d; }

/* Material grid */
.oku-pc-material-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-bottom: 14px;
}

.oku-pc-mat-tile {
    display: flex;
    flex-direction: column;
    padding: 9px 12px;
    border: 1.5px solid var(--oku-border);
    border-radius: var(--oku-rsm);
    cursor: pointer;
    transition: border-color var(--oku-ease), background var(--oku-ease);
}
.oku-pc-mat-tile:hover { border-color: var(--oku-accent); background: #f5f3ff; }
.oku-pc-mat-tile.active { border-color: var(--oku-accent); background: #eef2ff; }
.oku-pc-mat-tile input[type="radio"] { display: none; }

.oku-pc-mat-name { font-size: 12.5px; font-weight: 700; color: var(--oku-text); }
.oku-pc-mat-cost { font-size: 11px; color: var(--oku-muted); margin-top: 2px; }

/* Finalize section */
.oku-pc-finalize-section { margin-bottom: 14px; }
.oku-pc-finalize-section:last-child { margin-bottom: 0; }
.oku-pc-finalize-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--oku-muted);
    margin-bottom: 7px;
}

.oku-pc-finalize-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }

/* Color chips */
.oku-pc-color-row { display: flex; flex-wrap: wrap; gap: 6px; }
.oku-pc-color-chip {
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    transition: transform 0.15s, box-shadow 0.15s;
}
.oku-pc-color-chip input[type="radio"] { display: none; }
.oku-pc-color-swatch { width: 32px; height: 32px; border-radius: 50%; display: block; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.oku-pc-color-chip.active .oku-pc-color-swatch { box-shadow: 0 0 0 3px var(--oku-accent), 0 0 0 5px #fff; }
.oku-pc-color-chip:hover { transform: scale(1.15); }

/* Select */
.oku-pc-select {
    width: 100%;
    height: 38px;
    padding: 0 10px;
    border: 1.5px solid var(--oku-border) !important;
    border-radius: var(--oku-rsm) !important;
    font-size: 13px;
    font-family: inherit;
    color: var(--oku-text);
    background: var(--oku-white);
    outline: none;
    transition: border-color var(--oku-ease);
    box-shadow: none !important;
}
.oku-pc-select:focus { border-color: var(--oku-accent) !important; }

/* Qty control */
.oku-pc-qty { display: inline-flex; border: 1.5px solid var(--oku-border); border-radius: var(--oku-rsm); overflow: hidden; }
.oku-pc-qty-btn { width: 32px; height: 36px; background: var(--oku-bg); border: none !important; font-size: 17px; font-weight: 700; cursor: pointer; color: var(--oku-text); transition: background var(--oku-ease); display: flex; align-items: center; justify-content: center; }
.oku-pc-qty-btn:hover { background: var(--oku-border); }
.oku-pc-qty-input { width: 48px; height: 36px; border: none !important; border-left: 1.5px solid var(--oku-border) !important; border-right: 1.5px solid var(--oku-border) !important; text-align: center; font-size: 14px; font-weight: 700; font-family: inherit; outline: none; background: var(--oku-white); color: var(--oku-text); -moz-appearance: textfield; box-shadow: none !important; }
.oku-pc-qty-input::-webkit-inner-spin-button, .oku-pc-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; }

/* Toggle */
.oku-pc-toggle-row { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 12.5px; color: var(--oku-text); }
.oku-pc-toggle-wrap { flex-shrink: 0; }
.oku-pc-toggle-input { display: none !important; }
.oku-pc-toggle-track { width: 38px; height: 20px; background: var(--oku-border); border-radius: 100px; position: relative; transition: background var(--oku-ease); display: block; }
.oku-pc-toggle-input:checked + .oku-pc-toggle-track { background: var(--oku-accent); }
.oku-pc-toggle-thumb { width: 15px; height: 15px; background: #fff; border-radius: 50%; position: absolute; top: 2.5px; left: 2.5px; transition: transform var(--oku-ease); box-shadow: 0 1px 3px rgba(0,0,0,0.2); display: block; }
.oku-pc-toggle-input:checked + .oku-pc-toggle-track .oku-pc-toggle-thumb { transform: translateX(18px); }

/* Textarea */
.oku-pc-textarea { width: 100%; padding: 8px 10px; border: 1.5px solid var(--oku-border) !important; border-radius: var(--oku-rsm) !important; font-size: 12.5px; font-family: inherit; color: var(--oku-text); resize: vertical; outline: none; background: var(--oku-white); box-shadow: none !important; display: block; }
.oku-pc-textarea:focus { border-color: var(--oku-accent) !important; }

/* Price box */
.oku-pc-price-box {
    background: #f5f3ff;
    border: 1px solid #c7d2fe;
    border-radius: var(--oku-rsm);
    padding: 12px 14px;
    margin-bottom: 14px;
}
.oku-pc-price-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.oku-pc-price-row span:first-child { font-size: 12px; font-weight: 600; color: var(--oku-muted); }
.oku-pc-price-total { font-size: 22px; font-weight: 800; color: var(--oku-accent); letter-spacing: -0.03em; }
.oku-pc-breakdown { font-size: 12px; color: var(--oku-muted); }
.oku-pc-breakdown-row { display: flex; justify-content: space-between; padding: 2px 0; }
.oku-pc-delivery { font-size: 12px; color: var(--oku-success); margin-top: 8px; }

.oku-pc-calculating { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--oku-muted); padding: 8px 0; }
.oku-pc-calc-spin { width: 16px; height: 16px; border: 2px solid var(--oku-border); border-top-color: var(--oku-accent); border-radius: 50%; animation: oku3dp-spin 0.6s linear infinite; flex-shrink: 0; }

/* Nav buttons */
.oku-pc-step-nav { display: flex; gap: 10px; justify-content: flex-end; align-items: center; margin-top: 12px; }

.oku-pc-next-btn {
    padding: 10px 20px;
    background: var(--oku-accent);
    color: #fff !important;
    border: none !important;
    border-radius: var(--oku-rsm);
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--oku-ease), transform 0.12s;
}
.oku-pc-next-btn:hover { background: var(--oku-accent-h, #4f46e5); transform: translateY(-1px); }

.oku-pc-back-btn {
    padding: 10px 16px;
    background: transparent;
    color: var(--oku-muted) !important;
    border: 1.5px solid var(--oku-border) !important;
    border-radius: var(--oku-rsm);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--oku-ease);
}
.oku-pc-back-btn:hover { background: var(--oku-bg); color: var(--oku-text) !important; }

/* Add to cart button */
.oku-pc-atc-btn {
    flex: 1;
    height: 48px;
    background: #16a34a !important;
    color: #fff !important;
    border: none !important;
    border-radius: var(--oku-rsm) !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    font-family: inherit !important;
    cursor: pointer;
    transition: background var(--oku-ease), transform 0.12s;
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: none !important;
    text-decoration: none !important;
}
.oku-pc-atc-btn:hover:not(:disabled) { background: #15803d !important; transform: translateY(-1px); color: #fff !important; }
.oku-pc-atc-btn:disabled { background: #d1d5db !important; color: #9ca3af !important; cursor: not-allowed; transform: none; }
.oku-btn-spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%; animation: oku3dp-spin 0.6s linear infinite; display: inline-block; }

.oku-pc-atc-note { font-size: 11px !important; color: var(--oku-muted) !important; text-align: center; margin: 6px 0 0 !important; }

/* ── Shared: success overlay ── */
.oku-success-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 999999; display: flex; align-items: center; justify-content: center; }
.oku-success-modal { background: #fff; border-radius: 14px; padding: 36px 32px; text-align: center; max-width: 380px; width: 90%; box-shadow: 0 20px 60px rgba(0,0,0,0.28); }
.oku-success-icon { width: 56px; height: 56px; background: var(--oku-success, #16a34a); color: #fff; border-radius: 50%; font-size: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.oku-success-modal h3 { font-size: 18px !important; font-weight: 800 !important; margin: 0 0 7px !important; color: var(--oku-text) !important; border: none !important; }
.oku-success-modal p  { font-size: 13px !important; color: var(--oku-muted) !important; margin: 0 0 20px !important; }
.oku-success-actions  { display: flex; gap: 10px; justify-content: center; }
.oku-btn-primary  { padding: 10px 20px; border-radius: 8px; font-size: 13px; font-weight: 700; font-family: inherit; text-decoration: none !important; cursor: pointer; border: none; background: #6366f1 !important; color: #fff !important; }
.oku-btn-secondary { padding: 10px 20px; border-radius: 8px; font-size: 13px; font-weight: 700; font-family: inherit; text-decoration: none !important; cursor: pointer; background: #f3f4f6 !important; color: var(--oku-text) !important; border: 1.5px solid var(--oku-border) !important; }
.oku-btn-primary:hover  { background: #4f46e5 !important; color: #fff !important; }
.oku-btn-secondary:hover { background: var(--oku-border) !important; }

@keyframes oku3dp-spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 700px) {
    .oku-pc-layout { grid-template-columns: 1fr; }
    .oku-pc-viewer-box { aspect-ratio: 4/3; }
    .oku-pc-material-grid { grid-template-columns: 1fr 1fr; }
    .oku-pc-finalize-row { grid-template-columns: 1fr; }
    .oku-success-actions { flex-direction: column; }
}

/* ================================================================
   PRODUCT PAGE OVERRIDE — full-width layout
   ================================================================ */

#oku-3dp-product-wrap {
    width: 100%;
    clear: both;
    float: none;
    margin: 0;
    padding: 0;
}

/* Make our configurator fill the full product area */
#oku-3dp-product-wrap .oku-pc-wrap {
    margin: 0;
    max-width: 100%;
}

/* Better proportions for product page: viewer slightly larger */
#oku-3dp-product-wrap .oku-pc-layout {
    grid-template-columns: 1fr 420px;
    gap: 28px;
}

#oku-3dp-product-wrap .oku-pc-viewer-box {
    aspect-ratio: 4 / 3;
    min-height: 340px;
}

/* Electro theme / common WC theme fixes */
.single-product .oku-pc-wrap { margin: 0 0 32px; }

/* Make steps look better at full product width */
#oku-3dp-product-wrap .oku-pc-material-grid {
    grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 960px) {
    #oku-3dp-product-wrap .oku-pc-layout {
        grid-template-columns: 1fr;
    }
    #oku-3dp-product-wrap .oku-pc-material-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ================================================================
   v2.2 NEW ELEMENTS: Format note, Controls Panel, Model Stats
   ================================================================ */

/* Format note below upload button */
.oku-pc-wrap .oku-pc-format-note {
    font-size: 12.5px;
    color: var(--oku-text);
    font-weight: 600;
    margin: 4px 0 0 !important;
    line-height: 1.5;
}
.oku-pc-wrap .oku-pc-format-note span {
    font-size: 11.5px;
    color: var(--oku-muted);
    font-weight: 400;
}

/* ── Controls Panel (Unit + Rotation) ── */
.oku-pc-wrap .oku-pc-controls-panel {
    background: #fff;
    border: 1px solid var(--oku-border);
    border-radius: var(--oku-rsm);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.oku-pc-wrap .oku-pc-control-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.oku-pc-wrap .oku-pc-ctrl-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--oku-text);
    min-width: 70px;
    flex-shrink: 0;
}

/* Unit toggle (MM / Inch) */
.oku-pc-wrap .oku-pc-unit-toggle {
    display: flex;
    border: 1.5px solid var(--oku-border);
    border-radius: 20px;
    overflow: hidden;
    background: #f3f4f6;
}

.oku-pc-wrap .oku-pc-unit-option {
    display: flex;
    align-items: center;
    padding: 5px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--oku-muted);
    transition: background var(--oku-ease), color var(--oku-ease);
    user-select: none;
}

.oku-pc-wrap .oku-pc-unit-option input { display: none; }

.oku-pc-wrap .oku-pc-unit-option.active {
    background: var(--oku-accent);
    color: #fff;
    border-radius: 20px;
}

/* Rotation fields */
.oku-pc-wrap .oku-pc-rotation-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.oku-pc-wrap .oku-pc-rot-field {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--oku-muted);
}

.oku-pc-wrap .oku-pc-rot-input {
    width: 64px;
    height: 34px;
    padding: 0 8px;
    border: 1.5px solid var(--oku-border) !important;
    border-radius: 6px !important;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    font-family: inherit;
    color: var(--oku-text);
    background: #fff;
    outline: none;
    box-shadow: none !important;
}
.oku-pc-wrap .oku-pc-rot-input:focus { border-color: var(--oku-accent) !important; }
.oku-pc-wrap .oku-pc-rot-deg { font-size: 12px; color: var(--oku-muted); }

.oku-pc-wrap .oku-pc-apply-btn {
    padding: 6px 16px;
    height: 34px;
    background: #f3f4f6;
    border: 1.5px solid var(--oku-border) !important;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 700;
    font-family: inherit;
    color: var(--oku-text);
    cursor: pointer;
    transition: background var(--oku-ease), border-color var(--oku-ease);
}
.oku-pc-wrap .oku-pc-apply-btn:hover {
    background: var(--oku-accent);
    border-color: var(--oku-accent) !important;
    color: #fff;
}

/* ── Model Stats (list layout like Robu) ── */
.oku-pc-wrap .oku-pc-model-stats {
    background: #fff;
    border: 1px solid var(--oku-border);
    border-radius: var(--oku-rsm);
    padding: 14px 16px;
}

.oku-pc-wrap .oku-pc-stats-heading {
    font-size: 13px;
    font-weight: 700;
    color: var(--oku-accent);
    margin-bottom: 10px;
}

.oku-pc-wrap .oku-pc-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f3f4f6;
    font-size: 12.5px;
}
.oku-pc-wrap .oku-pc-stat-row:last-child { border-bottom: none; }

.oku-pc-wrap .oku-pc-stat-label {
    color: var(--oku-muted);
    font-weight: 500;
}

.oku-pc-wrap .oku-pc-stat-value {
    font-weight: 700;
    color: var(--oku-accent);
    font-size: 12.5px;
}

/* Viewer light bg */
.oku-pc-wrap .oku-pc-viewer-box {
    background: #f4f4f8;
}

/* Color chip label below swatch */
.oku-pc-wrap .oku-pc-color-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 4px;
    transition: border-color 0.15s;
    width: 52px;
}
.oku-pc-wrap .oku-pc-color-chip.active { border-color: var(--oku-accent); }
.oku-pc-wrap .oku-pc-color-chip input { display: none; }
.oku-pc-wrap .oku-pc-color-swatch { width: 30px; height: 30px; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,0.18); }
.oku-pc-wrap .oku-pc-color-name {
    font-size: 9px;
    font-weight: 600;
    color: var(--oku-muted);
    text-align: center;
    line-height: 1.2;
    word-break: break-word;
    max-width: 48px;
}

/* Color row wraps */
.oku-pc-wrap .oku-pc-color-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* Muted helper text */
.oku-pc-wrap .oku-muted { color: var(--oku-muted); font-size: 11px; }

/* Price breakdown rows */
.oku-pc-wrap .oku-pc-brow {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 3px 0;
    color: var(--oku-muted);
}
.oku-pc-wrap .oku-brow-total {
    font-weight: 700;
    color: var(--oku-accent);
    font-size: 13px;
    border-top: 1px solid #c7d2fe;
    margin-top: 5px;
    padding-top: 7px;
}

/* Finalize field layouts */
.oku-pc-wrap .oku-pc-fin-field { margin-bottom: 14px; }
.oku-pc-wrap .oku-pc-fin-field:last-child { margin-bottom: 0; }
.oku-pc-wrap .oku-pc-fin-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--oku-muted);
    margin-bottom: 7px;
}
.oku-pc-wrap .oku-pc-fin-row-2 {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    margin-bottom: 14px;
}

/* Viewer bg overrides */
.oku-pc-wrap .oku-pc-dropzone { background: #f4f4f8; border-color: #d1d5db; }
.oku-pc-wrap .oku-pc-dropzone:hover, .oku-pc-wrap .oku-pc-dropzone.drag-over { background: #eeeefc; border-color: var(--oku-accent); }
.oku-pc-wrap .oku-pc-drop-title { color: #374151 !important; }
.oku-pc-wrap .oku-pc-drop-hint  { color: var(--oku-muted) !important; }
.oku-pc-wrap .oku-pc-viewer-loading { background: #f4f4f8; color: var(--oku-muted); }
.oku-pc-wrap .oku-pc-viewer-bar { background: linear-gradient(to bottom, rgba(0,0,0,0.45), transparent); }