:root {
    --admin-bg: #f4f6f9;
    --admin-surface: #ffffff;
    --admin-border: #e5e7eb;
    --admin-text: #111827;
    --admin-muted: #6b7280;
    --admin-primary: #2563eb;
    --admin-primary-dark: #1d4ed8;
    --admin-nav: #0f172a;
    --admin-nav-accent: #3b82f6;
    --admin-radius: 12px;
    --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.04);
}

* {
    box-sizing: border-box;
}

body.admin-body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
}

.admin-nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.admin-navbar {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.75rem 0;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.15);
}

.admin-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    color: #fff !important;
}

.admin-navbar .nav-link {
    color: rgba(255, 255, 255, 0.75) !important;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.admin-navbar .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.08);
}

.admin-navbar .nav-link.active {
    color: #fff !important;
    background: rgba(59, 130, 246, 0.35);
}

.admin-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2.5rem;
}

body.public-home {
    background: linear-gradient(180deg, #eef2ff 0%, var(--admin-bg) 220px);
}

.public-home .admin-page-head {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem 1.35rem;
    box-shadow: var(--admin-shadow);
    margin-bottom: 1rem;
}

.public-home .admin-page-head h1 {
    font-size: clamp(1.35rem, 4vw, 1.75rem);
}

.public-home .admin-page-head p {
    line-height: 1.55;
    max-width: 42rem;
}

.filter-panel-title {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--admin-muted);
    margin-bottom: 0.75rem;
}

.filter-actions-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    width: 100%;
}

.filter-actions-bar .search-hint {
    flex: 1 1 100%;
    margin: 0 !important;
}

.admin-page-head {
    margin-bottom: 1.25rem;
}

.admin-page-head h1 {
    margin: 0 0 0.35rem;
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.admin-page-head p {
    margin: 0;
    color: var(--admin-muted);
    font-size: 0.9375rem;
}

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}

.admin-card .card-body {
    padding: 1.35rem 1.5rem;
}

.filter-panel {
    margin-bottom: 1.25rem;
}

/* Filter FAB + right drawer */
.filter-fab {
    position: fixed;
    top: 0.85rem;
    right: 0.85rem;
    z-index: 1050;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.85rem;
    border: none;
    border-radius: 999px;
    background: var(--admin-primary);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.admin-body .filter-fab {
    top: calc(0.75rem + 3.5rem);
}

.filter-fab:hover {
    background: var(--admin-primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

.filter-fab-icon {
    flex-shrink: 0;
}

.filter-fab-label {
    line-height: 1;
}

.filter-fab-badge {
    position: absolute;
    top: 0.2rem;
    right: 0.35rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #fbbf24;
    border: 2px solid var(--admin-primary);
    box-sizing: content-box;
}

.filter-fab .filter-fab-badge.d-none {
    display: none !important;
}

.filter-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1060;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.filter-drawer-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.filter-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1070;
    width: min(100%, 22rem);
    max-width: 100%;
    height: 100%;
    height: 100dvh;
    background: var(--admin-surface);
    border-left: 1px solid var(--admin-border);
    box-shadow: -8px 0 32px rgba(15, 23, 42, 0.12);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    display: flex;
    flex-direction: column;
}

.filter-drawer.is-open {
    transform: translateX(0);
}

.filter-drawer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1.15rem 1.15rem 0.85rem;
    border-bottom: 1px solid var(--admin-border);
    flex-shrink: 0;
}

.filter-drawer-sub {
    font-size: 0.8125rem;
    color: var(--admin-muted);
    margin-top: 0.25rem;
}

.filter-drawer-close {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    color: #374151;
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
}

.filter-drawer-close:hover {
    background: #e5e7eb;
}

.filter-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.15rem 1.5rem;
    -webkit-overflow-scrolling: touch;
}

.filter-actions-drawer {
    margin-top: 0.5rem;
    padding-top: 0.25rem;
}

.filter-actions-drawer .btn {
    flex: 1 1 auto;
    min-height: 44px;
}

body.voter-filter-drawer-open {
    overflow: hidden;
}

.filter-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.filter-step {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--admin-muted);
    background: #f9fafb;
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
}

.filter-step.done {
    color: #047857;
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.filter-step.active {
    color: var(--admin-primary-dark);
    background: #eff6ff;
    border-color: #bfdbfe;
}

.filter-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.06);
    font-size: 0.65rem;
}

.filter-step.done .filter-step-num {
    background: #10b981;
    color: #fff;
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.35rem;
}

.form-select,
.form-control {
    border-radius: 10px;
    border-color: var(--admin-border);
    font-size: 0.9375rem;
    padding: 0.55rem 0.85rem;
}

.form-select:focus,
.form-control:focus {
    border-color: #93c5fd;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input-group-search .form-control {
    border-right: 0;
    padding-right: 0;
}

.input-group-search .btn-search-icon {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-color: var(--admin-border);
    background: #fff;
    color: var(--admin-muted);
}

.location-chip {
    display: none;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding: 0.65rem 1rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    font-size: 0.875rem;
}

.location-chip.visible {
    display: flex;
}

.location-chip strong {
    color: #1e40af;
}

.stat-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.stat-tile {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    padding: 0.85rem 1rem;
}

.stat-tile .label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--admin-muted);
    font-weight: 600;
}

.stat-tile .value {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0.15rem;
}

.empty-state {
    text-align: center;
    padding: 2.5rem 1.5rem;
    color: var(--admin-muted);
}

.empty-state-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

#voters-table-wrap {
    display: none;
}

#voters-table-wrap.ready {
    display: block;
}

.table-card .card-body {
    padding: 0;
}

.table-card .table-responsive {
    padding: 0 1rem 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-mobile-scroll {
    min-width: 720px;
}

.table-scroll-note {
    display: none;
    font-size: 0.75rem;
    color: var(--admin-muted);
    padding: 0 1rem 0.5rem;
}

table.dataTable {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    font-size: 0.8125rem;
}

table.dataTable.voters-data-table thead th {
    background: #f9fafb !important;
    border-bottom: 1px solid var(--admin-border) !important;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-muted);
    font-weight: 700;
    white-space: nowrap;
}

table.dataTable:not(.voters-data-table) thead th {
    background: #f9fafb !important;
    border-bottom: 1px solid var(--admin-border) !important;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-muted);
    font-weight: 700;
    white-space: nowrap;
}

table.dataTable tbody td {
    vertical-align: top;
    padding: 0.65rem 0.75rem !important;
}

table.dataTable tbody tr:hover {
    background-color: #f8fafc !important;
}

.col-relative,
.col-address {
    white-space: normal !important;
    word-break: break-word;
    line-height: 1.45;
}

.col-address {
    max-width: 260px;
    color: #4b5563;
}

.col-name {
    font-weight: 600;
    color: #111827;
}

.dataTables_wrapper .dataTables_length select {
    border-radius: 8px;
    padding: 0.25rem 1.75rem 0.25rem 0.5rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--admin-primary) !important;
    border-color: var(--admin-primary) !important;
    color: #fff !important;
    border-radius: 8px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    border-radius: 8px !important;
}

.dt-toolbar {
    padding: 1rem 1.25rem 0;
}

.dt-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.dt-toolbar-actions #btn-print-voters {
    border-radius: 8px;
    font-weight: 600;
    min-height: 2.125rem;
}

.dt-footer {
    padding: 0.75rem 1.25rem 1rem;
    border-top: 1px solid var(--admin-border);
    background: #fafafa;
    border-radius: 0 0 var(--admin-radius) var(--admin-radius);
}

.btn-primary {
    background: var(--admin-primary);
    border-color: var(--admin-primary);
    border-radius: 10px;
    font-weight: 600;
    padding: 0.5rem 1.1rem;
}

.btn-primary:hover {
    background: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
}

.btn-outline-secondary {
    border-radius: 10px;
    font-weight: 500;
}

.block-loading {
    opacity: 0.55;
    pointer-events: none;
}

/* DataTables responsive child rows — visible chevrons (CDN icons often fail on mobile) */
table.dataTable.voters-data-table > tbody > tr > td.dtr-control:before,
table.dataTable.voters-data-table > tbody > tr > th.dtr-control:before {
    display: none !important;
}

table.dataTable.voters-data-table .voter-row-chevron {
    display: inline-block;
    width: 1.1rem;
    margin-right: 0.15rem;
    color: #2563eb;
    font-size: 0.75rem;
    line-height: 1;
    vertical-align: middle;
    text-align: center;
}

table.dataTable.voters-data-table.dtr-inline.collapsed > tbody > tr:not(.parent) > td.dtr-control .voter-row-chevron::before {
    content: '▶';
}

table.dataTable.voters-data-table.dtr-inline.collapsed > tbody > tr.parent > td.dtr-control .voter-row-chevron::before {
    content: '▼';
}

@media (min-width: 769px) {
    table.dataTable.voters-data-table .voter-row-chevron {
        display: none;
    }
}

table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.dtr-control {
    cursor: pointer;
}

table.dataTable > tbody > tr.child ul.dtr-details {
    width: 100%;
    margin: 0.5rem 0 0;
    padding: 0;
    list-style: none;
}

table.dataTable > tbody > tr.child span.dtr-title {
    display: inline-block;
    min-width: 7rem;
    font-weight: 600;
    color: var(--admin-muted);
    font-size: 0.6875rem;
    text-transform: uppercase;
}

table.dataTable > tbody > tr.child span.dtr-data {
    font-size: 0.875rem;
    white-space: normal;
    word-break: break-word;
    line-height: 1.45;
}

table.dataTable.voters-data-table tbody td {
    white-space: normal;
}

table.dataTable.voters-data-table tbody td.col-name,
table.dataTable.voters-data-table tbody td:nth-child(2) {
    white-space: nowrap;
}

table.dataTable.voters-data-table.dtr-inline.collapsed > tbody > tr > td.dtr-control {
    white-space: nowrap;
    min-width: 2.75rem;
}

table.dataTable > tbody > tr.child td.child {
    padding: 0.65rem 0.75rem 0.85rem !important;
    background: #f8fafc;
    border-top: none !important;
}

table.dataTable > tbody > tr.child ul.dtr-details > li {
    padding: 0.4rem 0;
    border-bottom: 1px solid #e5e7eb;
}

table.dataTable > tbody > tr.child ul.dtr-details > li:last-child {
    border-bottom: none;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    font-size: 0.8125rem;
}

.dataTables_wrapper .dataTables_paginate {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: flex-end;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.35rem 0.65rem !important;
    margin: 0 !important;
}

@media (max-width: 768px) {
    .admin-nav-container {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }

    .admin-shell {
        padding: 0.85rem 0.75rem 2rem;
    }

    .admin-page-head h1 {
        font-size: 1.35rem;
    }

    .public-home .admin-page-head {
        padding: 1rem 1.1rem;
    }

    .admin-card .card-body {
        padding: 1rem 1.05rem;
    }

    .filter-steps {
        gap: 0.35rem;
    }

    .filter-step {
        font-size: 0.6875rem;
        padding: 0.3rem 0.55rem;
    }

    .form-select,
    .form-control {
        font-size: 16px;
        min-height: 44px;
    }

    .input-group-search .btn-search-icon {
        min-width: 44px;
        min-height: 44px;
    }

    .filter-actions-bar .btn {
        flex: 1 1 calc(50% - 0.25rem);
        min-height: 44px;
    }

    .filter-actions-bar .btn-primary {
        flex: 1 1 100%;
    }

    .location-chip {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        font-size: 0.8125rem;
    }

    .stat-tiles {
        grid-template-columns: 1fr 1fr;
    }

    .stat-tile .value {
        font-size: 1.2rem;
    }

    .dt-toolbar {
        padding: 0.75rem 0.85rem 0;
    }

    .dt-toolbar .dt-toolbar-text {
        display: none;
    }

    .table-scroll-note {
        display: block;
    }

    .table-card .table-responsive {
        padding: 0 0.5rem 0.75rem;
        margin: 0 -0.25rem;
    }

    .table-card .voters-table-scroll {
        overflow-x: visible;
    }

    table.dataTable.voters-data-table thead th,
    table.dataTable.voters-data-table tbody td {
        white-space: normal !important;
    }

    table.dataTable.voters-data-table tbody td.col-name {
        white-space: normal !important;
        max-width: 32vw;
    }

    table.dataTable.voters-data-table tbody td.col-relative {
        max-width: 28vw;
        font-size: 0.8125rem;
    }

    table.dataTable.dtr-inline.collapsed > tbody > tr.parent,
    table.dataTable.dtr-inline.collapsed > tbody > tr:not(.parent) {
        cursor: pointer;
    }

    table.dataTable.voters-data-table .voter-row-chevron {
        width: 1.35rem;
        font-size: 0.85rem;
        display: inline-block !important;
    }

    table.dataTable.voters-data-table > tbody > tr:not(.child):not(.parent) > td.dtr-control .voter-row-chevron::before {
        content: '▶';
    }

    table.dataTable.voters-data-table > tbody > tr.parent > td.dtr-control .voter-row-chevron::before {
        content: '▼';
    }


    .dt-footer {
        padding: 0.65rem 0.75rem 0.85rem;
    }

    .dt-footer .col-sm-6 {
        text-align: center !important;
    }

    .dataTables_wrapper .dataTables_paginate {
        justify-content: center;
        margin-top: 0.35rem;
    }

    .dataTables_wrapper .dataTables_length {
        text-align: center;
        width: 100%;
        margin-bottom: 0.35rem;
    }

    .admin-navbar .navbar-brand {
        font-size: 1rem;
    }

    .admin-navbar .nav-link {
        padding: 0.65rem 0.85rem !important;
    }
}

@media (max-width: 400px) {
    .stat-tiles {
        grid-template-columns: 1fr;
    }

    .filter-actions-bar .btn {
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    .filter-fab-label {
        display: none;
    }

    .filter-fab {
        padding: 0.65rem;
        border-radius: 50%;
        width: 3rem;
        height: 3rem;
        justify-content: center;
    }
}