body {
    /* ──────────────────────────────────────
           Original design preserved – only responsiveness improved
           ────────────────────────────────────── */
    .key-contacts-card

{
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
    background: white;
    margin: 20px 0;
}

.key-header {
    background: linear-gradient(to right, #1e293b, #111827);
    color: white;
    padding: 1.4rem 1.5rem;
    text-align: center;
}

.key-title {
    margin: 0;
    font-size: 1.85rem;
    font-weight: 700;
}

.filter-container {
    padding: 1.2rem 1.5rem;
    background: #f9fafb;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.filter-label {
    font-weight: 600;
    color: #1f2937;
    font-size: 1.05rem;
    min-width: 100px;
}

.filter-select {
    flex: 1;
    min-width: 220px;
    padding: 0.65rem 1rem;
    border: 1px solid #9ca3af;
    border-radius: 6px;
    font-size: 1rem;
    background: white;
}

    .filter-select:focus {
        border-color: #2563eb;
        outline: none;
        box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
    }

.grid-container {
    padding: 1.4rem 1.5rem;
    overflow-x: auto; /* Allows horizontal scroll on mobile when table is wide */
}
/* Outer GridView wrapper table */
.outer-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

    .outer-grid td {
        border: 1px solid #000 !important;
        padding: 0;
    }
/* Section header (HeaderDesc) */
.section-title-cell {
    background: rgba(6, 96, 112, 0.58) !important;
    color: white;
    font-weight: bold;
    padding: 12px 16px !important;
    font-size: 1.05rem;
}
/* Inner nested GridView */
.inner-grid {
    width: 100%;
    min-width: 680px; /* Prevents columns from becoming too squeezed */
    border-collapse: collapse;
    margin: 0;
}

    .inner-grid th,
    .inner-grid td {
        border: 1px solid #000 !important;
        padding: 10px 12px;
        text-align: left;
        font-size: 0.94rem;
    }

    .inner-grid th {
        background: #f1f5f9;
        font-weight: 600;
        color: #111827;
        text-align: center;
        white-space: nowrap;
    }

    .inner-grid .slno-col {
        width: 55px;
        text-align: center !important;
    }

    .inner-grid tbody tr:nth-child(even) {
        background: #f9fafb;
    }

    .inner-grid tbody tr:hover {
        background: #eff6ff;
    }

/* ──────────────── RESPONSIVE IMPROVEMENTS ──────────────── */
@media (max-width: 768px) {
    .key-header {
        padding: 1.2rem 1rem;
    }

    .key-title {
        font-size: 1.65rem;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.9rem;
        padding: 1rem;
    }

    .filter-label {
        font-size: 1.1rem;
    }

    .filter-select {
        font-size: 1.05rem;
        padding: 0.7rem 1rem;
        min-width: 100%;
    }

    .grid-container {
        padding: 1rem 0.8rem;
    }

    .section-title-cell {
        font-size: 1.1rem;
        padding: 10px 12px !important;
    }

    .inner-grid th,
    .inner-grid td {
        padding: 9px 10px;
        font-size: 0.92rem;
    }
}

@media (max-width: 576px) {
    .key-title {
        font-size: 1.45rem;
    }

    .filter-label {
        font-size: 1rem;
    }

    .inner-grid {
        min-width: 620px; /* Still scrollable on very small phones */
    }

        .inner-grid th,
        .inner-grid td {
            padding: 8px 9px;
            font-size: 0.89rem;
        }
        /* Help long emails / numbers wrap instead of overflowing badly */
        .inner-grid td {
            word-break: break-word;
            hyphens: auto;
        }
}
}