:root {
    --bg: #f8fafc;
    /* Light slate background */
    --bg2: #ffffff;
    /* White card background */
    --bg3: #f1f5f9;
    /* Subtle grey for headers */
    --border: #e2e8f0;
    /* Muted border */
    --border2: #f8fafc;
    --accent: #00599a;
    /* Link4 Brand Blue */
    --accent2: #003e6b;
    /* Deep Link4 Blue */
    --green: #059669;
    /* Professional emerald green */
    --yellow: #f9a61a;
    /* Link4 Brand Orange */
    --red: #dc2626;
    /* Professional red */
    --text: #1e293b;
    /* Dark slate for primary text */
    --text2: #475569;
    /* Slate for secondary text */
    --text3: #94a3b8;
    /* Light slate for muted text */
    --white: #ffffff;
    --card: #ffffff;
    --glow: 0 4px 12px rgba(0, 89, 154, 0.08);
}

.link4-builder-wizard * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.link4-builder-wizard {
    background: var(--bg);
    color: var(--text);
    font-family: 'Exo 2', sans-serif;
    min-height: 100vh;
}

.link4-builder-wizard .card {
    max-width: unset;
}

#wpfooter {
    display: none;
}

/* HEADER */
.link4-builder-wizard .header {
    background: var(--bg2);
    border-bottom: 2px solid var(--accent);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.link4-builder-wizard .header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.link4-builder-wizard .logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: #000;
}

.link4-builder-wizard .header-title {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 1px;
    color: var(--text);
}

.link4-builder-wizard .header-title span {
    color: var(--accent);
}

.link4-builder-wizard .header-meta {
    display: flex;
    gap: 20px;
    align-items: center;
}

.link4-builder-wizard .meta-badge {
    background: var(--bg3);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    color: var(--text2);
}

.link4-builder-wizard .meta-badge span {
    color: var(--accent);
}

.link4-builder-wizard .status-badge {
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.3);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    color: var(--yellow);
}

/* TABS */
.link4-builder-wizard .tabs {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    gap: 0;
}

.link4-builder-wizard .tab {
    padding: 11px 20px;
    font-family: 'Exo 2', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text2);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.link4-builder-wizard .tab:hover {
    color: var(--text);
}

.link4-builder-wizard .tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* MAIN LAYOUT */
.link4-builder-wizard .main {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* PANEL */
.link4-builder-wizard .panel {
    display: none;
}

.link4-builder-wizard .panel.active {
    display: block;
}

/* SECTION CARD */
.link4-builder-wizard .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.link4-builder-wizard .card-header {
    background: var(--bg3);
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.link4-builder-wizard .card-title {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.link4-builder-wizard .card-title .icon {
    color: var(--accent);
    margin-right: 8px;
}

.link4-builder-wizard .card-body {
    padding: 18px;
}

/* SELECTORS */
.link4-builder-wizard .selector-group {
    margin-bottom: 14px;
}

.link4-builder-wizard .selector-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 6px;
    font-family: 'Share Tech Mono', monospace;
}

.link4-builder-wizard .selector-label .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--accent);
    color: #000;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    margin-right: 6px;
    font-family: 'Exo 2', sans-serif;
}

.link4-builder-wizard select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 9px 12px;
    font-family: 'Exo 2', sans-serif;
    font-size: 13px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300599a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.link4-builder-wizard select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--glow);
}

.link4-builder-wizard select:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.link4-builder-wizard select option {
    background: var(--bg2);
    color: var(--text);
}

/* PART NUMBER DISPLAY */
.link4-builder-wizard .part-display {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 16px;
}

.link4-builder-wizard .part-number-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.link4-builder-wizard .part-number-label {
    font-size: 11px;
    color: var(--text2);
    font-family: 'Share Tech Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.link4-builder-wizard .part-number-value {
    font-family: 'Share Tech Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    background: rgba(0, 89, 154, 0.05);
    border: 1px solid rgba(0, 89, 154, 0.1);
    padding: 8px 16px;
    border-radius: 8px;
    flex: 1;
    margin-left: 12px;
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-all;
}

.link4-builder-wizard .part-desc-value {
    font-size: 12px;
    color: var(--text2);
    line-height: 1.5;
    background: var(--bg3);
    border: 1px solid var(--border2);
    padding: 10px 14px;
    border-radius: 8px;
    font-family: 'Exo 2', sans-serif;
    min-height: 50px;
}

/* PRICE DISPLAY */
.link4-builder-wizard .price-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.link4-builder-wizard .price-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    text-align: center;
}

.link4-builder-wizard .price-box-label {
    font-size: 10px;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-family: 'Share Tech Mono', monospace;
    margin-bottom: 4px;
}

.link4-builder-wizard .price-box-value {
    font-family: 'Rajdhani', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--green);
}

.link4-builder-wizard .price-box-value.total {
    color: var(--accent);
    font-size: 30px;
}

/* QTY + BUTTON ROW */
.link4-builder-wizard .action-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.link4-builder-wizard .qty-group {
    flex: 0 0 120px;
}

.link4-builder-wizard input[type="number"] {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 9px 12px;
    font-family: 'Exo 2', sans-serif;
    font-size: 14px;
    transition: border-color 0.2s;
}

.link4-builder-wizard input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

/* BUTTONS */
.link4-builder-wizard .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: 'Exo 2', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s;
    white-space: nowrap;
}

.link4-builder-wizard .btn-primary {
    background: var(--yellow);
    color: #000;
}

.link4-builder-wizard .btn-primary:hover {
    background: #e09415;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(249, 166, 26, 0.3);
}

.link4-builder-wizard .btn-primary:active {
    transform: translateY(0);
}

.link4-builder-wizard .btn-danger {
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--red);
}

.link4-builder-wizard .btn-danger:hover {
    background: rgba(248, 81, 73, 0.25);
}

.link4-builder-wizard .btn-secondary {
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text2);
}

.link4-builder-wizard .btn-secondary:hover {
    color: var(--text);
    border-color: var(--accent);
}

.link4-builder-wizard .btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* INSTRUCTIONS */
.link4-builder-wizard .instruction-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--border2);
    font-size: 13px;
    color: var(--text2);
    line-height: 1.5;
}

.link4-builder-wizard .instr-num {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Rajdhani', sans-serif;
    margin-top: 1px;
}

/* BOM TABLE */
.link4-builder-wizard table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.link4-builder-wizard thead tr {
    background: var(--bg3);
    border-bottom: 2px solid var(--border);
}

.link4-builder-wizard thead th {
    padding: 10px 12px;
    text-align: left !important;
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    white-space: nowrap;
}

.link4-builder-wizard tbody tr {
    border-bottom: 1px solid var(--border2);
    transition: background 0.15s;
}

.link4-builder-wizard tbody tr:hover {
    background: rgba(0, 212, 255, 0.04);
}

.link4-builder-wizard tbody td {
    padding: 10px 12px;
    vertical-align: middle;
    color: var(--text);
}

.link4-builder-wizard .td-part {
    font-family: 'Share Tech Mono', monospace;
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
}

.link4-builder-wizard .td-qty {
    text-align: center;
    color: var(--yellow);
    font-weight: 600;
    font-family: 'Rajdhani', sans-serif;
    font-size: 16px;
}

.link4-builder-wizard .td-price {
    text-align: right;
    color: var(--text2);
    font-family: 'Share Tech Mono', monospace;
}

.link4-builder-wizard .td-ext,
.link4-builder-wizard .td-disc {
    text-align: right;
    font-family: 'Share Tech Mono', monospace;
    font-weight: 600;
}

.link4-builder-wizard .td-ext {
    color: var(--green);
}

.link4-builder-wizard .td-disc {
    color: var(--accent);
}

.link4-builder-wizard .td-mult {
    text-align: center;
}

.link4-builder-wizard .mult-input {
    width: 70px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 6px 8px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    text-align: center;
}

.link4-builder-wizard tfoot tr {
    background: var(--bg3);
    border-top: 2px solid var(--border);
}

.link4-builder-wizard tfoot td {
    padding: 12px 12px;
    font-weight: 700;
}

.link4-builder-wizard .td-total-label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 15px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link4-builder-wizard .td-total-qty {
    text-align: center;
    font-family: 'Rajdhani', sans-serif;
    font-size: 18px;
    color: var(--yellow);
}

.link4-builder-wizard .td-total-ext {
    text-align: right;
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    color: var(--green);
}

.link4-builder-wizard .td-total-disc {
    text-align: right;
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    color: var(--accent);
}

.link4-builder-wizard .empty-bom {
    text-align: center;
    padding: 48px 0;
    color: var(--text3);
    font-size: 14px;
}

.link4-builder-wizard .empty-bom .icon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* PARTS TABLES */
.link4-builder-wizard .parts-section-header {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 0 6px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}

.link4-builder-wizard .pt-table thead th {
    font-size: 10px;
}

.link4-builder-wizard .pt-code {
    font-family: 'Share Tech Mono', monospace;
    color: var(--accent);
    font-size: 11px;
}

.link4-builder-wizard .pt-price {
    font-family: 'Share Tech Mono', monospace;
    color: var(--green);
    text-align: right;
}

.link4-builder-wizard .pt-compat {
    font-family: 'Share Tech Mono', monospace;
    color: var(--text3);
    font-size: 10px;
}

/* BTN DEL */
.link4-builder-wizard .btn-del {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text3);
    font-size: 14px;
    padding: 4px 6px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.link4-builder-wizard .btn-del:hover {
    color: var(--red);
    background: rgba(248, 81, 73, 0.1);
}

/* TOAST */
.link4-builder-wizard .toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg2);
    border: 1px solid var(--green);
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 13px;
    color: var(--green);
    font-family: 'Exo 2', sans-serif;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    animation: slideIn 0.3s ease;
    display: none;
}

.link4-builder-wizard .toast.show {
    display: flex;
    align-items: center;
    gap: 10px;
}

.link4-builder-wizard .toast.error {
    border-color: var(--red);
    color: var(--red);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.link4-builder-wizard .divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

.link4-builder-wizard .section-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 960px) {
    .link4-builder-wizard .section-cols {
        grid-template-columns: 1fr;
    }

    .link4-builder-wizard .header {
        flex-direction: column;
        gap: 10px;
    }

    .link4-builder-wizard .tabs {
        overflow-x: auto;
    }
}