    :root {
        --primary-color: #2563eb;
        --secondary-color: #1e40af;
        --light-bg: #f8fafc;
        --card-bg: #ffffff;
        --text-dark: #1e293b;
        --text-muted: #64748b;
        --border-color: #e2e8f0;
    }

    body {
        font-family: 'Inter', sans-serif;
        background-color: var(--light-bg);
        min-height: 100vh;
        /* padding: 2rem 1rem; */
    }

	.img-fluid {
        margin: 0px 10px;
    }

    header {
        background: #111827;
        color: #fff;
        padding: 16px;
        text-align: center;
        font-size: 20px;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;

    }

    .main-container {
        max-width: 1200px;
        margin: 0 auto;
        min-height: 100vh;
        align-content: center;
		padding: 2rem 1rem;
    }

    .search-card {
        background: var(--card-bg);
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        border: 1px solid var(--border-color);
        padding: 2.5rem;
        margin-bottom: 2rem;
        overflow: hidden;
    }

    .header-section {
        text-align: center;
        margin-bottom: 2rem;
        padding-bottom: 2rem;
        border-bottom: 1px solid var(--border-color);
    }

    .logo {
        width: 80px;
        height: auto;
        margin: 0 auto 1rem;
        display: block;
    }

    .store-name {
        font-size: 1.75rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 0.25rem;
    }

    .store-tagline {
        color: var(--text-muted);
        margin: 0;
        font-size: 0.95rem;
    }

    /* Bootstrap Tabs Styling */
    .search-type-tabs {
        margin-bottom: 2rem;
    }

    .nav-pills .nav-link {
        border-radius: 12px;
        padding: 0.875rem 1.5rem;
        font-weight: 500;
        border: 1px solid var(--border-color);
        color: var(--text-muted);
        transition: all 0.3s ease;
    }

    .nav-pills .nav-link.active {
        background: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    }

    .nav-pills .nav-link:hover {
        border-color: var(--primary-color);
        color: var(--primary-color);
        background: rgba(37, 99, 235, 0.05);
    }

    .search-group {
        position: relative;
        margin-bottom: 0;
    }

    .search-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 1.1rem;
        z-index: 3;
    }

    .form-control {
        height: 56px;
        padding: 0 1rem 0 3.5rem;
        border: 2px solid var(--border-color);
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 500;
        background: #fafbfc;
        transition: all 0.2s ease;
    }

    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        background: white;
    }

    .search-button {
        width: 100%;
        height: 56px;
        border: none;
        border-radius: 12px;
        background: var(--primary-color);
        color: white;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.2s ease;
        margin-top: 1.5rem;
        display: block;
        margin: 1.5rem auto;
        max-width: 35rem;
    }

    .search-button:hover {
        background: var(--secondary-color);
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
    }

    .results-section {
        background: var(--card-bg);
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        border: 1px solid var(--border-color);
        padding: 0;
        margin-bottom: 2rem;
    }

    .results-header {
        padding: 2rem 2.5rem;
        border-bottom: 1px solid var(--border-color);
    }

    .results-title {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0;
    }

    .results-subtitle {
        color: var(--text-muted);
        margin: 0;
        font-size: 0.95rem;
    }

    .no-results {
        padding: 4rem 2rem;
        text-align: center;
        color: var(--text-muted);
    }

    .no-results i {
        font-size: 4rem;
        opacity: 0.3;
        margin-bottom: 1.5rem;
        display: block;
    }

    .invoices-list {
        max-height: 500px;
        overflow-y: auto;
    }

    .invoice-item {
        padding: 1.5rem 2.5rem;
        border-bottom: 1px solid var(--border-color);
        transition: background-color 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .invoice-item:hover {
        background: #f8fafc;
    }

    .invoice-item:last-child {
        border-bottom: none;
    }

    .invoice-info h6 {
        font-weight: 600;
        color: var(--text-dark);
        margin-bottom: 0.25rem;
        font-size: 1.1rem;
    }

    .invoice-meta {
        color: var(--text-muted);
        font-size: 0.875rem;
    }

    .invoice-amount {
        font-weight: 700;
        font-size: 1.25rem;
        color: var(--primary-color);
    }

    .status-badge {
        font-size: 0.8rem;
        padding: 0.375rem 0.875rem;
        border-radius: 20px;
        font-weight: 600;
    }

    .view-btn {
        padding: 0.75rem 1.5rem;
        border: 1px solid var(--primary-color);
        background: white;
        color: var(--primary-color);
        border-radius: 8px;
        font-weight: 500;
        font-size: 0.9rem;
        transition: all 0.2s ease;
        white-space: nowrap;
    }

    .view-btn:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    }

    @media (max-width: 768px) {
        .search-card {
            padding: 2rem 1.5rem;
        }

        .invoice-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.5rem;
        }

        .view-btn {
            align-self: flex-end;
            width: 100%;
        }
    }
