/* ── Zbotic PCB Quote Form — JLC-style ── */

:root {
    --pcb-blue: #0072FC;
    --pcb-blue-light: #F7FBFF;
    --pcb-blue-bg: #F0F7FF;
    --pcb-orange: #FF8C22;
    --pcb-bg: #F1F3F6;
    --pcb-white: #FFFFFF;
    --pcb-text: #222222;
    --pcb-text-light: #666666;
    --pcb-text-muted: #999999;
    --pcb-border: #DBDBDB;
    --pcb-border-light: #EEEEEE;
    --pcb-disabled-bg: #F0F0F0;
    --pcb-disabled-text: #BBBBBB;
    --pcb-green: #1E8E3E;
    --pcb-red: #E53935;
    --pcb-radius: 8px;
    --pcb-radius-sm: 4px;
}

#zbotic-pcb-quote.zbotic-pcb-wrap {
    max-width: 1400px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--pcb-text);
    font-size: 14px;
    line-height: 1.5;
    background: var(--pcb-bg);
    padding: 20px;
    border-radius: var(--pcb-radius);
    box-sizing: border-box;
}

#zbotic-pcb-quote.zbotic-pcb-wrap *,
#zbotic-pcb-quote.zbotic-pcb-wrap *::before,
#zbotic-pcb-quote.zbotic-pcb-wrap *::after {
    box-sizing: border-box;
}

/* ── Two Column Layout ── */
#zbotic-pcb-quote .pcb-layout {
    display: grid !important;
    grid-template-columns: 1fr 340px;
    gap: 20px;
    align-items: start;
}

/* ── Cards ── */
#zbotic-pcb-quote .pcb-card {
    background: var(--pcb-white);
    border-radius: var(--pcb-radius);
    padding: 24px;
    margin-bottom: 16px;
}

/* ── Page Title ── */
.pcb-page-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--pcb-text);
}

.pcb-page-subtitle {
    font-size: 13px;
    color: var(--pcb-text-muted);
    margin: 0 0 16px;
}

/* ── Product Type Tabs ── */
.pcb-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.pcb-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--pcb-white);
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--pcb-text);
    transition: all 0.15s;
}

.pcb-tab:hover {
    border-color: var(--pcb-blue);
}

.pcb-tab.active {
    border-color: var(--pcb-blue);
    background: var(--pcb-blue-light);
    color: var(--pcb-blue);
}

.pcb-tab.active::after {
    content: '\2713';
    font-size: 11px;
    color: var(--pcb-blue);
}

/* ── Upload Zone ── */
.pcb-upload-card {
    padding: 20px 24px;
}

.pcb-upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.pcb-upload-title {
    font-size: 14px;
    font-weight: 700;
}

.pcb-upload-links {
    display: flex;
    gap: 16px;
}

.pcb-upload-links a {
    font-size: 13px;
    color: var(--pcb-blue);
    text-decoration: none;
}

.pcb-upload-links a:hover {
    text-decoration: underline;
}

.pcb-upload-zone {
    border: 2px dashed var(--pcb-blue);
    border-radius: var(--pcb-radius-sm);
    background: var(--pcb-blue-bg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s;
}

.pcb-upload-zone:hover,
.pcb-upload-zone.pcb-drag-over {
    background: #E3F0FF;
}

.pcb-upload-btn-main {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 36px;
    background: var(--pcb-blue);
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.pcb-upload-btn-main:hover {
    background: #005FD4;
}

.pcb-upload-hint {
    font-size: 12px;
    color: var(--pcb-text-muted);
    margin: 12px 0 0;
}

.pcb-upload-secure {
    font-size: 12px;
    color: var(--pcb-text-muted);
    margin: 8px 0 0;
}

/* Upload Progress */
.pcb-upload-progress {
    padding: 20px;
    text-align: center;
}

.pcb-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--pcb-border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.pcb-progress-fill {
    height: 100%;
    width: 0;
    background: var(--pcb-blue);
    transition: width 0.2s;
}

.pcb-progress-text {
    font-size: 13px;
    color: var(--pcb-text-light);
}

/* Upload Result */
.pcb-upload-result {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--pcb-blue-bg);
    border: 1px solid #B3D4FC;
    border-radius: var(--pcb-radius-sm);
}

.pcb-file-icon {
    font-size: 18px;
}

.pcb-file-name {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

.pcb-remove-file {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--pcb-red);
    padding: 0 4px;
    line-height: 1;
}

/* Gerber Preview */
.pcb-gerber-preview {
    margin-top: 16px;
    padding: 16px;
    background: #FAFBFC;
    border: 1px solid var(--pcb-border-light);
    border-radius: var(--pcb-radius);
}

.pcb-preview-analyzing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px 0;
    color: var(--pcb-text-light);
    font-size: 14px;
}

.pcb-preview-images {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.pcb-preview-img {
    text-align: center;
    flex: 0 0 auto;
}

.pcb-preview-img label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--pcb-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pcb-preview-img img {
    max-width: 200px;
    max-height: 200px;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    background: #fff;
    padding: 4px;
    transition: filter 0.3s;
}

/* Material badge */
.pcb-preview-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
    background: #E8F5E9;
    color: #2E7D32;
    transition: background 0.3s, color 0.3s;
}

/* Material tint transitions (styles applied via JS to avoid RUCSS stripping) */
.pcb-gerber-preview { transition: background 0.3s; }

.pcb-preview-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--pcb-border-light);
}

.pcb-detected-specs {
    font-size: 12px;
    color: var(--pcb-text-light);
}

/* File Review Warnings */
.pcb-file-review {
    margin-top: 10px;
    font-size: 12px;
}

.pcb-review-red {
    background: #FEF0EF;
    border: 1px solid #FECDCA;
    border-radius: var(--pcb-radius-sm);
    padding: 8px 12px;
    margin-bottom: 6px;
    color: var(--pcb-red);
}

.pcb-review-yellow {
    background: #FFF8E1;
    border: 1px solid #FFE082;
    border-radius: var(--pcb-radius-sm);
    padding: 8px 12px;
    color: #F57F17;
}

.pcb-review-item {
    padding: 2px 0;
}

/* ── Section Headers ── */
#zbotic-pcb-quote .pcb-section {
    border-top: 1px solid var(--pcb-border-light);
    margin-top: 4px;
}

#zbotic-pcb-quote .pcb-section-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--pcb-text);
    padding: 14px 0 8px;
}

/* ── Form Rows ── */
.pcb-form-rows {
    display: flex;
    flex-direction: column;
    gap: 0;
}

#zbotic-pcb-quote .pcb-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    min-height: 46px;
    padding: 6px 0;
    border-bottom: 1px solid var(--pcb-border-light);
}

.pcb-row:last-child {
    border-bottom: none;
}

#zbotic-pcb-quote .pcb-row-label {
    width: 155px;
    min-width: 155px;
    flex-shrink: 0;
    font-size: 14px;
    color: var(--pcb-text);
    display: flex !important;
    align-items: center;
    gap: 4px;
}

#zbotic-pcb-quote .pcb-row-label .pcb-tip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--pcb-border-light);
    color: var(--pcb-text-muted);
    font-size: 10px;
    cursor: help;
}

#zbotic-pcb-quote .pcb-row-value {
    flex: 1;
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* ── Option Buttons ── */
.pcb-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pcb-opt {
    padding: 4px 14px;
    height: 30px;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    background: var(--pcb-white);
    font-size: 14px;
    cursor: pointer;
    color: var(--pcb-text);
    transition: all 0.12s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    position: relative;
}

.pcb-opt:hover {
    border-color: var(--pcb-blue);
    color: var(--pcb-blue);
}

.pcb-opt.active {
    border-color: var(--pcb-blue);
    background: var(--pcb-blue-light);
    color: var(--pcb-blue);
}

.pcb-opt.active::after {
    content: '\2713';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 14px;
    height: 14px;
    background: var(--pcb-blue);
    color: #fff;
    font-size: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px 0 4px 0;
}

.pcb-opt.disabled {
    background: var(--pcb-disabled-bg);
    color: var(--pcb-disabled-text);
    cursor: not-allowed;
    border-color: var(--pcb-border);
}

/* ── Material Preview ── */
.pcb-material-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    margin: 0 0 2px;
    background: var(--pcb-blue-bg);
    border: 1px solid #D6E8FC;
    border-radius: var(--pcb-radius-sm);
}

.pcb-material-preview img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--pcb-radius-sm);
    border: 1px solid var(--pcb-border);
    background: #fff;
    flex-shrink: 0;
}

.pcb-material-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.pcb-material-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--pcb-text);
}

.pcb-material-desc {
    font-size: 12px;
    color: var(--pcb-text-light);
    line-height: 1.4;
}

/* Color Swatches */
.pcb-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    border: 1px solid rgba(0,0,0,0.12);
}

/* Qty group compact */
.pcb-qty-group .pcb-opt {
    min-width: 40px;
    justify-content: center;
    padding: 4px 8px;
}

/* Locked fields (auto-detected from Gerber) */
.pcb-input.pcb-locked {
    background: var(--pcb-disabled-bg);
    color: var(--pcb-text-light);
    cursor: not-allowed;
    border-color: var(--pcb-border);
}

.pcb-locked-group .pcb-opt.active {
    cursor: default;
}

/* ── Inputs ── */
.pcb-dim-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pcb-input {
    width: 90px;
    height: 30px;
    padding: 0 10px;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    font-size: 14px;
    color: var(--pcb-text);
    background: var(--pcb-white);
}

.pcb-input:focus {
    border-color: var(--pcb-blue);
    outline: none;
}

.pcb-dim-x {
    color: var(--pcb-text-muted);
    font-size: 14px;
}

.pcb-select {
    height: 30px;
    padding: 0 10px;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    font-size: 14px;
    background: var(--pcb-white);
    color: var(--pcb-text);
    max-width: 280px;
}

.pcb-select:focus {
    border-color: var(--pcb-blue);
    outline: none;
}

textarea.pcb-textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    font-size: 14px;
    resize: vertical;
    min-height: 60px;
    color: var(--pcb-text);
}

textarea.pcb-textarea:focus {
    border-color: var(--pcb-blue);
    outline: none;
}

/* ── Checkbox group ── */
.pcb-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.pcb-checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
}

/* ── Stencil Addon Toggle ── */
.pcb-addon-card {
    background: var(--pcb-white);
    border-radius: var(--pcb-radius);
    padding: 16px 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: border 0.15s;
    border: 1px solid transparent;
}

.pcb-addon-card:hover {
    border-color: var(--pcb-border);
}

.pcb-addon-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.pcb-addon-icon {
    width: 40px;
    height: 40px;
    background: var(--pcb-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.pcb-addon-info h4 {
    font-size: 14px;
    font-weight: 700;
    margin: 0;
}

.pcb-addon-info p {
    font-size: 12px;
    color: var(--pcb-text-muted);
    margin: 2px 0 0;
}

.pcb-addon-info a {
    color: var(--pcb-blue);
    text-decoration: none;
    font-size: 12px;
}

/* Toggle Switch */
.pcb-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.pcb-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.pcb-toggle-slider {
    position: absolute;
    inset: 0;
    background: #CCC;
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.2s;
}

.pcb-toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 2px;
    top: 2px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}

.pcb-toggle input:checked + .pcb-toggle-slider {
    background: var(--pcb-blue);
}

.pcb-toggle input:checked + .pcb-toggle-slider::before {
    transform: translateX(20px);
}

/* Stencil addon expanded area */
.pcb-addon-expanded {
    background: var(--pcb-white);
    border-radius: 0 0 var(--pcb-radius) var(--pcb-radius);
    padding: 0 24px 24px;
    margin-top: -16px;
    margin-bottom: 16px;
}

/* ── Sticky Sidebar ── */
/* Ensure sticky works: override overflow:hidden on ALL ancestors up to body.
   XStore theme sets overflow:hidden on .template-container which breaks sticky. */
#zbotic-pcb-quote.zbotic-pcb-wrap,
#zbotic-pcb-quote .pcb-layout,
.template-container,
.page-wrapper,
.template-content,
.content.col-md-12,
.sidebar-position-without {
    overflow: visible !important;
}

#zbotic-pcb-quote .pcb-sidebar {
    position: -webkit-sticky !important;
    position: sticky !important;
    top: 80px;
    align-self: start;
}

#zbotic-pcb-quote .pcb-sidebar-card {
    background: var(--pcb-white);
    border-radius: var(--pcb-radius);
    padding: 20px;
}

.pcb-sidebar-section {
    padding: 14px 0;
    border-bottom: 1px solid var(--pcb-border-light);
}

.pcb-sidebar-section:last-child {
    border-bottom: none;
}

.pcb-sidebar-title {
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--pcb-text);
}

/* Charge lines */
.pcb-charge-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding: 3px 0;
}

.pcb-charge-label {
    color: var(--pcb-text-light);
}

.pcb-charge-value {
    color: var(--pcb-text);
    font-weight: 500;
}

/* Lead time radios */
.pcb-lead-time-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 13px;
    cursor: pointer;
}

.pcb-lead-time-option input[type="radio"] {
    accent-color: var(--pcb-blue);
    margin: 0;
}

/* Price display */
.pcb-total-section {
    text-align: right;
    padding: 16px 0 12px;
}

.pcb-total-label {
    font-size: 13px;
    color: var(--pcb-text-light);
    margin-bottom: 4px;
}

.pcb-total-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--pcb-orange);
}

.pcb-total-price .pcb-currency {
    font-size: 14px;
}

.pcb-total-usd {
    font-size: 12px;
    color: var(--pcb-text-muted);
    text-decoration: line-through;
    margin-bottom: 4px;
}

/* Buttons */
.pcb-btn-calculate {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--pcb-blue);
    border-radius: 25px;
    background: var(--pcb-white);
    color: var(--pcb-blue);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: 10px;
}

.pcb-btn-calculate:hover {
    background: var(--pcb-blue-light);
}

.pcb-btn-calculate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pcb-btn-cart {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 25px;
    background: linear-gradient(135deg, #FF9A22, #FF7B00);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pcb-btn-cart:hover {
    opacity: 0.9;
}

.pcb-btn-cart:disabled {
    background: #95C6F6;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Spinner */
.pcb-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--pcb-border-light);
    border-top-color: var(--pcb-blue);
    border-radius: 50%;
    animation: pcb-spin 0.6s linear infinite;
    vertical-align: middle;
}

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

/* Error */
/* ── Rich Popover Tooltip ── */
#zbotic-pcb-quote .pcb-popover {
    position: absolute;
    z-index: 9999;
    background: var(--pcb-white);
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 16px 18px 14px;
    max-height: 450px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
    color: var(--pcb-text);
}

#zbotic-pcb-quote .pcb-popover strong {
    font-size: 14px;
    display: block;
    margin-bottom: 6px;
}

#zbotic-pcb-quote .pcb-popover p {
    margin: 6px 0;
}

#zbotic-pcb-quote .pcb-popover ul {
    margin: 6px 0;
    padding-left: 18px;
}

#zbotic-pcb-quote .pcb-popover li {
    margin: 4px 0;
}

#zbotic-pcb-quote .pcb-popover img {
    max-width: 100%;
    border-radius: var(--pcb-radius-sm);
    margin-top: 8px;
}

#zbotic-pcb-quote .pcb-popover-close {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 18px;
    cursor: pointer;
    color: var(--pcb-text-muted);
    line-height: 1;
}

#zbotic-pcb-quote .pcb-popover-close:hover {
    color: var(--pcb-text);
}

#zbotic-pcb-quote .pcb-popover-arrow {
    position: absolute;
    top: -6px;
    left: 50%;
    margin-left: -6px;
    width: 12px;
    height: 12px;
    background: var(--pcb-white);
    border-left: 1px solid var(--pcb-border);
    border-top: 1px solid var(--pcb-border);
    transform: rotate(45deg);
}

#zbotic-pcb-quote .pcb-tip {
    cursor: pointer;
}

#zbotic-pcb-quote .pcb-tip:hover {
    background: var(--pcb-blue);
    color: #fff;
}

/* ── Inline Field Hints ── */
#zbotic-pcb-quote .pcb-field-hint {
    font-size: 12px;
    line-height: 1.5;
    padding: 5px 0 5px 155px;
    border-bottom: 1px solid var(--pcb-border-light);
}

#zbotic-pcb-quote .pcb-hint-info {
    color: var(--pcb-text-muted);
}

#zbotic-pcb-quote .pcb-hint-warn {
    color: var(--pcb-orange);
}

#zbotic-pcb-quote .pcb-hint-error {
    color: var(--pcb-red);
}

@media (max-width: 600px) {
    #zbotic-pcb-quote .pcb-field-hint {
        padding-left: 0;
    }
}

/* ── Panel Modal ── */
#zbotic-pcb-quote .pcb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#zbotic-pcb-quote .pcb-modal {
    background: var(--pcb-white);
    border-radius: var(--pcb-radius);
    width: 520px;
    max-width: 95vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* Panel modal: wider to accommodate side-by-side layout */
#pcb-panel-modal .pcb-modal {
    width: 860px;
}

#zbotic-pcb-quote .pcb-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--pcb-border-light);
}

#zbotic-pcb-quote .pcb-modal-title {
    font-size: 16px;
    font-weight: 700;
}

#zbotic-pcb-quote .pcb-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--pcb-text-muted);
    padding: 0;
    line-height: 1;
}

#zbotic-pcb-quote .pcb-modal-close:hover {
    color: var(--pcb-text);
}

#zbotic-pcb-quote .pcb-modal-body {
    padding: 20px;
}

#zbotic-pcb-quote .pcb-modal-row {
    display: flex;
    align-items: center;
    min-height: 40px;
    margin-bottom: 14px;
}

#zbotic-pcb-quote .pcb-modal-row > label {
    width: 140px;
    min-width: 140px;
    font-size: 13px;
    font-weight: 500;
    color: var(--pcb-text);
}

#zbotic-pcb-quote .pcb-modal-note {
    font-size: 12px;
    color: var(--pcb-text-muted);
    margin: 8px 0 0;
    padding: 8px 0;
    border-top: 1px solid var(--pcb-border-light);
}

#zbotic-pcb-quote .pcb-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--pcb-border-light);
}

#zbotic-pcb-quote .pcb-panel-summary-text {
    font-size: 13px;
    color: var(--pcb-text);
    background: var(--pcb-blue-bg);
    padding: 6px 12px;
    border-radius: var(--pcb-radius-sm);
    border: 1px solid #b3d4fc;
}

/* Panel Modal Two-Column Layout */
.pcb-panel-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.pcb-panel-form {
    flex: 1;
    min-width: 0;
}

/* Panel Preview Canvas */
.pcb-panel-preview-wrap {
    flex: 0 0 340px;
    padding: 12px;
    background: #F8FAFB;
    border: 1px solid var(--pcb-border-light);
    border-radius: var(--pcb-radius);
    text-align: center;
    position: sticky;
    top: 0;
}

.pcb-panel-preview-wrap canvas {
    max-width: 100%;
    height: auto;
}

@media (max-width: 800px) {
    .pcb-panel-layout {
        flex-direction: column;
    }
    .pcb-panel-preview-wrap {
        flex: none;
        width: 100%;
        position: static;
    }
    #pcb-panel-modal .pcb-modal {
        width: 520px;
    }
}

.pcb-error-msg {
    padding: 10px 14px;
    background: #FEF0EF;
    border: 1px solid #FECDCA;
    border-radius: var(--pcb-radius-sm);
    color: var(--pcb-red);
    font-size: 13px;
    margin-top: 10px;
}

/* Help links in form */
.pcb-help-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 12px 0;
    border-top: 1px solid var(--pcb-border-light);
    margin-top: 8px;
}

.pcb-help-links a {
    font-size: 13px;
    color: var(--pcb-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pcb-help-links a:hover {
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    #zbotic-pcb-quote .pcb-layout {
        grid-template-columns: 1fr !important;
    }

    #zbotic-pcb-quote .pcb-sidebar {
        position: static;
    }

    #zbotic-pcb-quote.zbotic-pcb-wrap {
        padding: 12px;
    }
}

@media (max-width: 600px) {
    #zbotic-pcb-quote .pcb-card {
        padding: 16px;
    }

    #zbotic-pcb-quote .pcb-row {
        flex-direction: column !important;
        align-items: flex-start;
        gap: 6px;
        padding: 10px 0;
    }

    #zbotic-pcb-quote .pcb-row-label {
        width: auto;
        min-width: auto;
        font-weight: 600;
    }

    .pcb-opt {
        padding: 4px 10px;
        font-size: 13px;
    }

    .pcb-qty-group .pcb-opt {
        min-width: 36px;
    }

    .pcb-dim-inputs .pcb-input {
        width: 70px;
    }

    .pcb-upload-zone {
        padding: 30px 16px;
    }

    .pcb-preview-images {
        flex-direction: column;
        align-items: center;
    }

    .pcb-tabs {
        flex-direction: column;
    }

    .pcb-total-price {
        font-size: 20px;
    }
}

/* ── PCB Viewer ── */

.pcb-view-pcb-btn {
    display: inline-flex;
    align-items: center;
    margin-top: 8px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--pcb-blue);
    background: var(--pcb-blue-bg);
    border: 1px solid var(--pcb-blue);
    border-radius: var(--pcb-radius-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.pcb-view-pcb-btn:hover {
    background: var(--pcb-blue);
    color: #fff;
}

#pcb-viewer-modal .pcb-viewer-modal {
    width: 960px;
    max-width: 96vw;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
}

.pcb-viewer-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--pcb-blue);
    background: var(--pcb-blue-bg);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: auto;
    margin-right: 12px;
}

.pcb-viewer-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--pcb-border-light);
    flex-wrap: wrap;
    background: #FAFBFC;
}

.pcb-viewer-tabs {
    display: flex;
    gap: 4px;
}

.pcb-viewer-tab {
    padding: 5px 16px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    background: var(--pcb-white);
    color: var(--pcb-text-light);
    cursor: pointer;
    transition: all 0.15s;
}

.pcb-viewer-tab.active {
    background: var(--pcb-blue);
    color: #fff;
    border-color: var(--pcb-blue);
}

.pcb-viewer-layers {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pcb-viewer-layer-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--pcb-text-light);
    cursor: pointer;
    user-select: none;
}

.pcb-viewer-layer-toggle input {
    margin: 0;
    accent-color: var(--pcb-blue);
}

.pcb-viewer-layer-toggle.pcb-layer-disabled {
    opacity: 0.4;
    pointer-events: none;
}

.pcb-viewer-zoom {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.pcb-viewer-zoom-btn {
    width: 28px;
    height: 28px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid var(--pcb-border);
    border-radius: var(--pcb-radius-sm);
    background: var(--pcb-white);
    color: var(--pcb-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.12s;
}

.pcb-viewer-zoom-btn:hover {
    background: var(--pcb-blue-light);
}

.pcb-viewer-zoom-btn[data-action="fit"] {
    width: auto;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 600;
}

.pcb-viewer-zoom-level {
    font-size: 12px;
    font-weight: 600;
    color: var(--pcb-text-light);
    min-width: 40px;
    text-align: center;
}

.pcb-viewer-container {
    flex: 1;
    min-height: 300px;
    height: 65vh;
    background: #E8EAED;
    position: relative;
    overflow: hidden;
}

.pcb-viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #E8EAED;
    z-index: 2;
}

.pcb-viewer-error {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
    font-size: 14px;
    color: var(--pcb-red);
    background: #E8EAED;
    z-index: 2;
}

.pcb-viewer-svg-wrap {
    width: 100%;
    height: 100%;
    cursor: grab;
    overflow: hidden;
}

.pcb-viewer-svg-wrap.pcb-grabbing {
    cursor: grabbing;
}

.pcb-viewer-svg-wrap svg {
    display: block;
    transform-origin: 0 0;
}

/* Viewer responsive */
@media (max-width: 768px) {
    #pcb-viewer-modal .pcb-viewer-modal {
        width: 100%;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }

    .pcb-viewer-toolbar {
        gap: 8px;
        padding: 6px 10px;
    }

    .pcb-viewer-layers {
        gap: 6px;
    }

    .pcb-viewer-layer-toggle {
        font-size: 11px;
    }

    .pcb-viewer-container {
        height: 55vh;
    }
}

@media (max-width: 480px) {
    .pcb-viewer-zoom {
        margin-left: 0;
        width: 100%;
        justify-content: flex-end;
    }
}

/* ── 3D Viewer ── */
.pcb-viewer-3d-canvas {
    width: 100%;
    height: 100%;
    display: block;
    outline: none;
}

.pcb-viewer-3d-active .pcb-viewer-layers,
.pcb-viewer-3d-active .pcb-viewer-zoom {
    display: none;
}

.pcb-viewer-3d-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #E8EAED;
    z-index: 3;
}

.pcb-viewer-tab-3d {
    font-style: normal;
}