:root {
    /* Color Palette */
    --primary-color: #2E7D32;
    --primary-hover: #1B5E20;
    --secondary-color: #f1f3f5;
    --text-color: #1a1a1a;
    --text-muted: #666;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --input-border: #ced4da;

    /* Layout */
    --card-radius: 12px;
    --btn-radius: 8px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --primary-color: #66BB6A;
    --primary-hover: #81C784;
    --secondary-color: #333;
    --text-color: #e0e0e0;
    --text-muted: #aaa;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --border-color: #333;
    --input-bg: #2d2d2d;
    --input-border: #444;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    transition: background-color 0.3s;
}

.status-indicator.connected {
    background-color: var(--primary-color);
}

.status-indicator.error {
    background-color: #d32f2f;
}

.model-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

.model-info .separator {
    color: var(--text-muted);
}

#modelWeight {
    color: var(--primary-color);
    font-weight: 600;
}

.checkout-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: #ffebee;
    color: #c62828;
}

.checkout-status.checked-out {
    background-color: #e8f5e9;
    color: var(--primary-color);
}

[data-theme="dark"] .checkout-status {
    background-color: #5d2424;
    color: #ef9a9a;
}

[data-theme="dark"] .checkout-status.checked-out {
    background-color: #1b5e20;
    color: #66bb6a;
}

.checkout-status.new {
    background-color: #e3f2fd;
    color: #1565c0;
}

[data-theme="dark"] .checkout-status.new {
    background-color: #1a3a5c;
    color: #64b5f6;
}

.soft-type {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.soft-type.yes {
    background-color: #e8f5e9;
    color: var(--primary-color);
}

.soft-type.no {
    background-color: #ffebee;
    color: #c62828;
}

[data-theme="dark"] .soft-type.yes {
    background-color: #1b5e20;
    color: #66bb6a;
}

[data-theme="dark"] .soft-type.no {
    background-color: #5d2424;
    color: #ef9a9a;
}

.hidden {
    display: none !important;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Model Properties Grid */
.model-props-grid {
    display: flex;
    flex-direction: column;
}

.prop-row {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
}

.prop-row:nth-child(odd) {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .prop-row:nth-child(odd) {
    background: rgba(255, 255, 255, 0.03);
}

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

.prop-label {
    font-weight: 600;
    min-width: 130px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.prop-value {
    flex: 1;
    font-size: 0.95rem;
    color: var(--text-color);
}

.prop-value-path {
    font-size: 0.85rem;
    word-break: break-all;
    color: var(--text-muted);
}

.prop-row-rename {
    flex-wrap: wrap;
    gap: 8px;
}

.rename-controls {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

.rename-input {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--btn-radius);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.85rem;
    width: 200px;
}

.rename-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Checkout Button (header) */
.btn-checkout {
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    background: var(--primary-color);
    color: #fff;
    margin-left: auto;
    vertical-align: middle;
    transition: background 0.2s;
}

.btn-checkout:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

/* WC BOM Table */
.wc-bom-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.wc-bom-table th,
.wc-bom-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.wc-bom-table th {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.wc-bom-table tbody tr:nth-child(odd) {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .wc-bom-table tbody tr:nth-child(odd) {
    background: rgba(255, 255, 255, 0.03);
}

.wc-bom-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.08);
}

.bom-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--btn-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-primary:disabled {
    background-color: #ccc;
    color: #888;
    cursor: not-allowed;
    opacity: 0.6;
}

[data-theme="dark"] .btn-primary:disabled {
    background-color: #444;
    color: #666;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    filter: brightness(0.95);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    color: var(--text-color);
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    color: var(--text-color);
}

.btn-icon:hover {
    background-color: var(--secondary-color);
}

.icon-sun,
.icon-moon {
    width: 24px;
    height: 24px;
}

[data-theme="dark"] .icon-sun {
    display: block;
}

[data-theme="dark"] .icon-moon {
    display: none;
}

[data-theme="light"] .icon-sun {
    display: none;
}

[data-theme="light"] .icon-moon {
    display: block;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    padding: 8px;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-md);
}

.tab-button {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.tab-button:hover {
    background: var(--secondary-color);
    color: var(--text-color);
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
}

.tab-button:disabled,
.tab-button.tab-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    color: var(--text-muted);
}

.tab-button:disabled:hover,
.tab-button.tab-disabled:hover {
    background: transparent;
    color: var(--text-muted);
}

/* Model Version Badge */
.model-version-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--primary-color);
    color: #fff;
    margin-left: 6px;
    vertical-align: middle;
}

.model-version-badge:empty {
    display: none;
}

[data-theme="dark"] .model-version-badge {
    background: #1b5e20;
    color: #a5d6a7;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Placeholder Content */
.placeholder-content {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 60px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.placeholder-content h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.placeholder-content p {
    color: var(--text-muted);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
    flex: 1;
}

.card {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    grid-column: span 12;
    border: 1px solid var(--border-color);
}

@media (min-width: 900px) {
    .card {
        grid-column: span 6;
    }

    .card.full-width {
        grid-column: span 12;
    }
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 8px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-header h2 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.card-header-actions {
    display: flex;
    gap: 6px;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-sm);
}

.span-2 {
    grid-column: span 2;
}

.span-3 {
    grid-column: span 3;
}

.span-4 {
    grid-column: span 4;
}

.span-6 {
    grid-column: span 6;
}

.span-12 {
    grid-column: span 12;
}

@media (max-width: 600px) {

    .span-2,
    .span-3,
    .span-4,
    .span-6 {
        grid-column: span 12;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Inputs */
input,
select {
    padding: 10px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--btn-radius);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    width: 100%;
    transition: all 0.2s ease;
    min-height: 42px;
    text-transform: uppercase;
}

input::placeholder {
    text-transform: none;
}

input:focus,
select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
    background-color: var(--card-bg);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus {
    box-shadow: 0 0 0 3px rgba(102, 187, 106, 0.2);
}

.input-group {
    display: flex;
    gap: 6px;
    align-items: stretch;
}

.input-group input {
    flex: 1;
    min-width: 0;
}

.input-group .date-input {
    min-width: 120px;
}

.btn-mini {
    padding: 10px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--primary-color);
    color: white;
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    min-height: 42px;
}

.btn-mini:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-mini:active {
    transform: translateY(0);
}

.btn-mini.icon-only {
    padding: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* Custom Dropdown */
.custom-dropdown {
    position: relative;
}

.custom-dropdown input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

[data-theme="dark"] .custom-dropdown input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23aaa' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--card-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--btn-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.dropdown-menu.active {
    display: block;
    animation: dropdownSlide 0.2s ease-out;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.15s;
    color: var(--text-color);
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background: var(--secondary-color);
}

.dropdown-item.selected {
    background: var(--primary-color);
    color: white;
}

.dropdown-group-label {
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-color);
}

.dropdown-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Revisions */
.revisions-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.revision-header {
    display: grid;
    grid-template-columns: 30px repeat(6, 1fr);
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 4px;
    text-align: left;
}

.revision-header>div:first-child {
    text-align: center;
}

.revision-row {
    display: grid;
    grid-template-columns: 30px repeat(6, 1fr);
    gap: 8px;
    align-items: center;
    padding: 4px 0;
}

.rev-label {
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    background: var(--secondary-color);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    line-height: 24px;
    font-size: 0.8rem;
}

.date-group {
    flex-direction: row;
    align-items: center;
    gap: 4px;
}

.date-group input {
    min-width: 0;
    flex: 1;
}

.btn-mini.icon-only {
    padding: 0;
    width: 34px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

@media (max-width: 900px) {
    .revision-header {
        display: none;
    }

    .revision-row {
        grid-template-columns: 1fr 1fr;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 12px;
        background: var(--bg-color);
        padding: 12px;
        border-radius: 8px;
    }

    .rev-label {
        grid-column: span 2;
        text-align: left;
        background: none;
        width: auto;
        border-radius: 0;
    }

    .btn-mini.icon-only {
        height: 42px;
        width: 42px;
    }
}

footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Debug Panel */
.debug-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 300px;
    background: white;
    border-top: 2px solid var(--primary-color);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.debug-panel.hidden {
    display: none;
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--primary-color);
    color: white;
    font-size: 0.9rem;
}

.debug-header .btn-small {
    padding: 4px 8px;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
}

.debug-header .btn-small:hover {
    background: rgba(255, 255, 255, 0.3);
}

.debug-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
}

.debug-content .log-entry {
    padding: 2px 0;
    border-bottom: 1px solid #f0f0f0;
}

.debug-content .log-debug {
    color: #1976d2;
}

.debug-content .log-error {
    color: #d32f2f;
    font-weight: bold;
}

.debug-content .log-info {
    color: #388e3c;
}

[data-theme="dark"] .debug-panel {
    background: #2a2a2a;
    border-top-color: var(--primary-color);
}

[data-theme="dark"] .debug-content {
    color: #e0e0e0;
}

[data-theme="dark"] .debug-content .log-entry {
    border-bottom-color: #404040;
}

[data-theme="dark"] .debug-content .log-debug {
    color: #64b5f6;
}

[data-theme="dark"] .debug-content .log-error {
    color: #ef5350;
}

[data-theme="dark"] .debug-content .log-info {
    color: #66bb6a;
}

/* ====== BOM Editor Styles ====== */
.bom-toolbar {
    flex-wrap: wrap;
}

.bom-bulk-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.bom-bulk-label input[type="checkbox"] {
    accent-color: var(--primary-color);
    margin: 0;
}

.bom-placeholder-msg {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.bom-tip {
    font-size: 0.82rem;
    color: var(--text-muted);
    padding: 6px 0 8px;
}

.table-responsive {
    overflow-x: auto;
}

.bom-editor-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.bom-editor-table th,
.bom-editor-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.bom-editor-table th {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    position: sticky;
    top: 0;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
}

.bom-editor-table th:first-child {
    width: 32px;
    text-align: center;
}

.bom-editor-table tbody tr:hover {
    background: rgba(46, 125, 50, 0.06);
}

[data-theme="dark"] .bom-editor-table tbody tr:hover {
    background: rgba(102, 187, 106, 0.08);
}

.bom-editor-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .bom-editor-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.bom-drag-handle {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1.1rem;
    display: inline-block;
    padding: 0 4px;
    user-select: none;
}

.bom-drag-handle:active {
    cursor: grabbing;
}

.bom-dragging {
    opacity: 0.4;
    background: rgba(46, 125, 50, 0.12) !important;
}

.bom-drop-target {
    border-top: 2px solid var(--primary-color) !important;
}

.bom-item-edit {
    display: inline-block;
    min-width: 28px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.04);
    text-align: center;
    font-weight: 600;
    outline: none;
    cursor: text;
    transition: background 0.2s, box-shadow 0.2s;
}

.bom-item-edit:focus {
    background: #fff;
    box-shadow: 0 0 0 2px var(--primary-color);
}

[data-theme="dark"] .bom-item-edit {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .bom-item-edit:focus {
    background: #333;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.bom-qty {
    font-weight: 600;
    text-align: center !important;
}

.bom-status-strip {
    display: flex;
    gap: 16px;
    padding: 8px 10px;
    font-size: 0.78rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 4px;
    flex-wrap: wrap;
}

.text-muted {
    color: var(--text-muted);
}

/* BOM Delete Button */
.bom-delete-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 2px 6px;
    border-radius: 4px;
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
}

.bom-delete-btn:hover {
    opacity: 1;
    color: #ef4444;
}

/* BOM Manual Sort Checkbox */
.bom-manual-sort-label {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 4px;
    user-select: none;
}

.bom-manual-sort-label input[type="checkbox"] {
    accent-color: var(--primary-color);
    width: 13px;
    height: 13px;
    margin: 0;
}

/* BOM Inline Cell Inputs */
.bom-cell-input {
    width: 100%;
    padding: 3px 6px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: inherit;
    background: var(--card-bg);
    color: var(--text-color);
    box-sizing: border-box;
}

.bom-cell-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.15);
}

[data-theme="dark"] .bom-cell-input {
    background: #2a2a2a;
    border-color: #444;
}

/* BOM Table delete column */
.bom-editor-table th:last-child,
.bom-editor-table td:last-child {
    width: 30px;
    text-align: center;
    padding: 4px;
}

/* Save Button Dirty/Clean Dot */
.save-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 5px;
    vertical-align: middle;
    transition: background-color 0.3s;
}

.save-dot.dirty {
    background-color: #ef4444;
    box-shadow: 0 0 4px rgba(239, 68, 68, 0.5);
}

.save-dot.clean {
    background-color: #22c55e;
    box-shadow: 0 0 4px rgba(34, 197, 94, 0.3);
}

/* Loading Spinner Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.loading-text {
    margin-top: 12px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

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

[data-theme="dark"] .loading-overlay {
    background: rgba(0, 0, 0, 0.55);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    min-width: 260px;
    max-width: 380px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.88rem;
    line-height: 1.4;
    color: #fff;
    pointer-events: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateX(110%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.hide {
    transform: translateX(110%);
    opacity: 0;
}

.toast-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.toast-msg {
    flex: 1;
}

.toast-success {
    background: #16a34a;
}

.toast-error {
    background: #dc2626;
}

.toast-warning {
    background: #d97706;
}

.toast-info {
    background: #2563eb;
}