/* Config Table */
.config-table {
    width: 100%;
    border-collapse: collapse;
}

.config-table th {
    background: #0297A6;
    color: white;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.config-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--iwmi-light-grey);
    vertical-align: middle;
}

.config-table tbody tr:nth-child(even) {
    background: rgba(40, 83, 125, 0.03);
}

.config-table tbody tr:hover {
    background: rgba(2, 151, 166, 0.08);
}

.config-sno-cell {
    width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--iwmi-dark-blue);
}

.config-label-cell {
    min-width: 200px;
}

.config-label {
    font-weight: 600;
    color: var(--iwmi-dark-blue);
    font-size: 0.9rem;
}

.config-description {
    font-size: 0.75rem;
    color: #666;
    margin-top: 0.25rem;
    line-height: 1.3;
}

.config-pref-cell {
    width: 150px;
}

.preference-select {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 4px;
    font-size: 0.8rem;
    background: white;
    cursor: pointer;
}

.preference-select:focus {
    outline: none;
    border-color: var(--iwmi-teal);
}

.config-min-cell,
.config-max-cell {
    width: 150px;
}

.config-min-cell span,
.config-max-cell span {
    display: block;
    font-weight: 600;
    color: var(--iwmi-teal);
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.config-weight-cell {
    width: 80px;
}

/* #12: delete-variable cell + button */
.config-delete-cell {
    width: 44px;
    text-align: center;
}

.config-delete-btn {
    background: transparent;
    border: none;
    color: #c0392b;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    line-height: 1;
    transition: background 0.15s, color 0.15s;
}

.config-delete-btn:hover {
    background: rgba(192, 57, 43, 0.1);
    color: #a93226;
}

.config-table input[type="range"] {
    width: 100%;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--iwmi-light-grey);
    border-radius: 3px;
    outline: none;
}

.config-table input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #0297A6;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.config-table input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #0297A6;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.config-table input[type="range"]::-webkit-slider-thumb:hover {
    background: #28537D;
}

.config-table input[type="range"]::-moz-range-thumb:hover {
    background: #28537D;
}

.config-table input[type="range"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.config-table input[type="range"]:disabled::-webkit-slider-thumb {
    background: #999;
    cursor: not-allowed;
}

.config-table input[type="range"]:disabled::-moz-range-thumb {
    background: #999;
    cursor: not-allowed;
}

.config-table .weight-input {
    width: 70px;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 4px;
    text-align: center;
    font-size: 0.9rem;
}

.config-table .weight-input:focus {
    outline: none;
    border-color: var(--iwmi-teal);
}

.config-range-values {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #666;
}

.config-weight input {
    width: 70px;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 4px;
    text-align: center;
}

/* GP Config Modal Styles */
.config-table .group-header {
    background: var(--iwmi-dark-blue) !important;
    color: white;
}

.config-table .group-header td {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.config-check-cell {
    width: 40px;
    text-align: center;
}

.config-check-cell input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.config-row.active-filter {
    background: rgba(2, 151, 166, 0.1) !important;
}

/* #10: grouped + coloured Active Filters rows */
.filters-table .var-group-header td {
    color: #fff;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    padding: 0.4rem 0.6rem;
}

.filters-table .var-group-row td:first-child {
    /* compensate for the 3px coloured left border so cells stay aligned */
    padding-left: 0;
}

.gp-var-check:checked + .config-label-cell .config-label {
    color: var(--iwmi-teal);
}

/* Block Details Panel */
.block-details {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 3px solid var(--iwmi-teal);
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    padding: 1rem 2rem;
    z-index: 500;
    transition: transform 0.3s ease;
}

.block-details.hidden {
    transform: translateY(100%);
}

.block-details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.block-details-header h3 {
    color: var(--iwmi-dark-blue);
    border: none;
    padding: 0;
    margin: 0;
}

.block-details-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.detail-item {
    background: #f8f9fa;
    padding: 0.75rem;
    border-radius: 6px;
}

.detail-item .label {
    font-size: 0.75rem;
    color: #666;
    text-transform: uppercase;
}

.detail-item .value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--iwmi-dark-blue);
    margin-top: 0.25rem;
}

.feasibility-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    color: white;
}

/* Footer */
.footer {
    background: var(--iwmi-dark-blue);
    color: white;
    text-align: center;
    padding: 0.75rem;
    font-size: 0.85rem;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
}

.loading::after {
    content: '';
    width: 30px;
    height: 30px;
    border: 3px solid var(--iwmi-light-grey);
    border-top-color: var(--iwmi-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 1rem;
}

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

/* Responsive */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr 280px 300px;
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr 220px 250px;
    }
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    #map {
        height: 350px;
        min-height: 300px;
    }

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

    .filter-group select {
        width: 100%;
    }
}

/* ============================================
   Block Detail View Styles
   ============================================ */

.block-detail-view {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 1800px;
    margin: 0 auto;
    width: 100%;
}