:root {
    --primary: #5b21b6;
    --primary-light: #7c3aed;
    --bg: #f5f3ff;
    --side-bg: #ffffff;
    --text: #1f2937;
    --text-muted: #6b7280;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 12px;

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-nav {
    background: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-tabs {
    display: flex;
    gap: 1rem;
}

.nav-tab {
    padding: 0.6rem 1.2rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.nav-tab:hover {
    background: var(--bg);
}

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

.content-area {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

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

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

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

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

.section-header {
    margin-bottom: 2rem;
}

.section-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

.panel {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    overflow: visible;
    /* Changed from hidden to avoid clipping headers */
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: #fafafa;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    /* Ensure text doesn't hide */
    gap: 0.5rem;
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    max-width: 100%;
}

.panel-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.dashboard-grid,
.inventory-grid,
.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.full-width {
    grid-column: 1 / -1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    /* Keep headings on one line for horizontal scroll */
}

.data-table th {
    background: #f8fafc;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.data-table td {
    font-size: 0.95rem;
}

.clickable-rows tbody tr {
    cursor: pointer;
    transition: background 0.1s;
}

.clickable-rows tbody tr:hover {
    background: #f1f5f9;
}

.order-cards-container {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.order-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    background: #fff;
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    gap: 1rem;
    align-items: flex-start;
}

.order-card-header div {
    max-width: 60%;
    overflow-wrap: break-word;
}

.order-card-header .prod-name {
    font-weight: 700;
    color: var(--primary);
}

.order-card-header .customer {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.material-chip {
    padding: 0.75rem;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px solid var(--border);
    transition: transform 0.2s ease;
}

.material-chip:hover {
    transform: translateY(-2px);
}

.chip-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    display: block;
}

.chip-value {
    font-size: 1rem;
    font-weight: 700;
    display: block;
    margin: 0.25rem 0;
}

.chip-status {
    font-size: 0.75rem;
    display: block;
    font-weight: 500;
}

.status-green {
    color: var(--success);
}

.status-yellow {
    color: var(--warning);
}

.status-red {
    color: var(--danger);
}

.bg-green {
    background: #ecfdf5;
    border-color: #10b981;
}

.bg-yellow {
    background: #fffbeb;
    border-color: #f59e0b;
}

.bg-red {
    background: #fef2f2;
    border-color: #ef4444;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #f8fafc;
}

.btn {
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

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

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--bg);
}

.btn-block {
    width: 100%;
}

.bom-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.bom-row input {
    flex: 1;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.large {
    max-width: 900px;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.wip-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border);
}

.wip-info {
    flex: 1;
}

.wip-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.wip-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.overflow-auto {
    overflow: auto;
}

.placeholder-text {
    text-align: center;
    font-style: italic;
    color: var(--text-muted);
    padding: 2rem;
}

.metric-card {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.total-summary {
    border-top: 2px solid var(--border);
    padding-top: 1rem;
    margin-top: 1rem;
    text-align: right;
    font-weight: 700;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .nav-tabs {
        display: none;
    }

    .dashboard-grid,
    .inventory-grid,
    .management-grid {
        grid-template-columns: 1fr;
    }
}