:root {
    --color-bg: #f3f5f9;
    --color-surface: #fff;
    --color-text: #202d40;
    --color-muted: #526277;
    --color-border: #dce3ed;
    --color-primary: #234d86;
    --color-primary-hover: #183b6a;
    --color-primary-soft: #eaf0fa;
    --color-danger: #a52820;
    --space-1: .5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --radius: .75rem;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: light; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font: 1rem/1.55 "Segoe UI", Tahoma, sans-serif; }
a { color: var(--color-primary); text-underline-offset: .2em; }
a:hover { color: var(--color-primary-hover); }
:focus-visible { outline: 3px solid #2466c2; outline-offset: 3px; }
main:focus { outline: none; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.2; letter-spacing: -.025em; font-weight: 650; margin-bottom: var(--space-2); overflow-wrap: anywhere; }
h2 { font-size: 1.25rem; line-height: 1.35; font-weight: 650; margin: var(--space-4) 0 var(--space-2); }
h3 { font-size: 1.1rem; }
p { margin-bottom: var(--space-2); }
hr { border: 0; border-top: 1px solid var(--color-border); margin: var(--space-3) 0; }
small, .help { font-size: .875rem; color: var(--color-muted); }
.help { margin: var(--space-1) 0 var(--space-2); }
.lead { color: var(--color-muted); margin-bottom: 0; max-width: 48rem; }
.eyebrow, .card-kicker { display: block; font-size: .75rem; color: var(--color-primary); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: var(--space-1); }
.app-header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.header-inner, .main-nav { max-width: 1248px; margin-inline: auto; padding-inline: var(--space-3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding-block: var(--space-3); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-size: 1.3rem; font-weight: 700; color: var(--color-text); flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: .7rem; background: var(--color-primary); color: #fff; font-size: 1.25rem; }
.brand small { display: block; font-size: .75rem; font-weight: 400; }
.account { display: flex; align-items: center; gap: var(--space-2); }
.account p, .account-note { font-size: .8rem; color: var(--color-muted); margin: 0; max-width: 28rem; overflow-wrap: anywhere; }
.main-nav { display: flex; flex-wrap: wrap; gap: .25rem; padding-bottom: .75rem; }
.main-nav a, .pagination a, .tabs a { text-decoration: none; border-radius: .45rem; padding: .65rem .85rem; font-size: .875rem; font-weight: 600; color: var(--color-muted); }
.main-nav a:hover, .tabs a:hover { background: var(--color-bg); color: var(--color-primary); }
.main-nav a[aria-current=page], .tabs a[aria-current=page] { background: var(--color-primary-soft); color: var(--color-primary); box-shadow: inset 0 -2px var(--color-primary); }
.page { width: 100%; max-width: 1248px; padding: var(--space-4) var(--space-3); margin: auto; min-width: 0; }
.page-narrow { max-width: 768px; }
.page > .lead { margin-bottom: var(--space-3); }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-3); }
.page-heading > div { min-width: 0; }
.page-heading > .button { flex-shrink: 0; }
.panel, .page > form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-3); margin-bottom: var(--space-3); box-shadow: 0 2px 5px rgb(24 43 74 / 3%); }
.panel > h2:first-of-type, .page > form > h2:first-of-type { margin-top: 0; }
.panel > :last-child { margin-bottom: 0; }
button, .button { display: inline-flex; justify-content: center; align-items: center; gap: var(--space-1); min-height: 44px; padding: .65rem 1rem; border: 1px solid transparent; border-radius: .5rem; background: var(--color-primary); color: #fff; font: inherit; font-weight: 600; line-height: 1.35; text-decoration: none; text-align: center; cursor: pointer; }
button:hover, .button:hover { background: var(--color-primary-hover); color: #fff; }
button:disabled { opacity: .65; cursor: wait; }
.button-secondary { background: var(--color-surface); color: var(--color-primary); border-color: var(--color-border); }
.button-secondary:hover { background: var(--color-primary-soft); color: var(--color-primary-hover); border-color: #bacbe2; }
.button-small { padding: .5rem .75rem; font-size: .875rem; }
.danger { background: var(--color-danger); color: #fff; }
.danger:hover { background: #811e18; color: #fff; }
.danger-link { color: var(--color-danger); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: var(--space-3); }
.page > form .form-actions { margin-bottom: 0; }
label { font-size: .9375rem; font-weight: 600; }
input:not([type=checkbox]):not([type=radio]):not([type=hidden]), select, textarea { display: block; width: 100%; max-width: 100%; min-height: 44px; border: 1px solid #a8b5c6; background: #fff; color: var(--color-text); border-radius: .5rem; padding: .65rem .75rem; font: inherit; margin: .35rem 0 0; }
input::placeholder, textarea::placeholder { color: #69778a; }
textarea { resize: vertical; }
input[type=checkbox], input[type=radio] { width: 1.15rem; height: 1.15rem; accent-color: var(--color-primary); flex-shrink: 0; margin: 0; }
fieldset { border: 0; padding: 0; margin: var(--space-3) 0; min-width: 0; }
legend { font-size: .9375rem; font-weight: 650; padding: 0; margin-bottom: .65rem; }
.category-options { display: flex; flex-wrap: wrap; gap: .5rem .75rem; }
.category { display: flex; gap: .6rem; align-items: center; padding: .6rem .75rem; border: 1px solid var(--color-border); border-radius: .5rem; font-weight: 400; font-size: .9375rem; cursor: pointer; overflow-wrap: anywhere; min-height: 44px; }
.category:has(input:checked) { background: var(--color-primary-soft); border-color: #9eb7db; }
.field { margin-bottom: var(--space-3); min-width: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-3); }
.field-full { grid-column: 1 / -1; }
.inline-field { display: flex; align-items: center; gap: .75rem; }
.inline-field select { width: auto; margin: 0; }
.search-row { display: flex; gap: .75rem; align-items: stretch; margin-top: .5rem; }
.search-row input { flex: 1; min-width: 0; margin: 0 !important; }
.search-row button { flex-shrink: 0; }
.home-search { border-top: 3px solid var(--color-primary); }
.home-search h2 { margin-top: 0; }
.section-heading { margin-top: var(--space-4); }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.dashboard-card { display: flex; flex-direction: column; margin-bottom: 0; padding: var(--space-3); }
.dashboard-card h2 { margin: .25rem 0 .75rem; }
.dashboard-card p { color: var(--color-muted); font-size: .9375rem; flex: 1; }
.dashboard-card a { font-size: .9375rem; font-weight: 600; text-decoration: none; padding-block: .5rem; }
.download-panel { margin-top: var(--space-3); display: flex; gap: var(--space-3); align-items: center; justify-content: space-between; }
.download-panel h2 { margin-top: 0; }
.download-panel p { margin-bottom: 0; color: var(--color-muted); font-size: .9375rem; }
.download-panel .button { flex-shrink: 0; }
.results-summary { display: flex; flex-wrap: wrap; gap: .5rem var(--space-2); justify-content: space-between; align-items: center; font-size: .9375rem; }
.results-summary p { margin: 0; }
.table-scroll, .bulk-table { width: 100%; max-width: 100%; overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; margin: var(--space-2) 0; }
table { border-collapse: separate; border-spacing: 0; text-align: left; width: 100%; font-size: .875rem; }
th, td { padding: .85rem 1rem; border: 0; border-bottom: 1px solid var(--color-border); vertical-align: top; overflow-wrap: anywhere; }
th { font-weight: 650; color: var(--color-muted); background: #f7f9fc; }
thead th { position: sticky; top: 0; z-index: 1; }
tbody tr:last-child > td { border-bottom: 0; }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:hover { background: #f0f4fa; }
.contact-table-wrap, .table-scroll:has(> .history-table) { max-height: 70vh; }
.table-action-links { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.table-action-links a { display: inline-flex; align-items: center; min-height: 44px; }
.contact-table { min-width: 780px; table-layout: fixed; }
.contact-table th:first-child { width: 4rem; }
.contact-table th:nth-child(2) { width: 27%; }
.contact-table th:nth-child(3) { width: 17%; }
.contact-table th:nth-child(4) { width: 21%; }
.contact-table th:nth-child(5) { width: 12%; }
.contact-table th:last-child { width: 12.5rem; }
.contact-identity strong, .contact-identity > span { display: block; }
.contact-identity > span { color: var(--color-muted); margin-top: .2rem; }
.row-number { color: var(--color-muted); font-variant-numeric: tabular-nums; }
.badge-list { display: flex; gap: .3rem; flex-wrap: wrap; }
.badge { border-radius: .4rem; background: var(--color-primary-soft); color: var(--color-primary); padding: .2rem .45rem; font-size: .75rem; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); margin: var(--space-2) 0; flex-wrap: wrap; font-size: .875rem; }
.pagination p { margin: 0; color: var(--color-muted); }
.pagination-links { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.pagination a { background: #fff; border: 1px solid var(--color-border); min-width: 44px; min-height: 44px; text-align: center; }
.pagination a[aria-current=page] { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination a:hover { border-color: var(--color-primary); }
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin: var(--space-3) 0; }
.tabs a { border: 1px solid var(--color-border); background: #fff; }
.success, .error { padding: var(--space-2); border: 1px solid; border-radius: .5rem; margin-bottom: var(--space-3); overflow-wrap: anywhere; }
.success { background: #edf8f1; color: #21643c; border-color: #aed3ba; }
.error { background: #fff2f0; color: #a52820; border-color: #e7b7b1; }
.confirmation { background: #fff7f5; border: 1px solid #e7b7b1; border-left: 4px solid var(--color-danger); padding: var(--space-3); margin: var(--space-3) 0; border-radius: var(--radius); }
.confirmation h2 { margin-top: 0; }
.empty-state { text-align: center; padding-block: var(--space-4); }
.empty-state h2 { margin-top: 0; }
.history-filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); align-items: end; }
.history-filters label { display: block; min-width: 0; }
.history-table { min-width: 820px; }
.history-table details { min-width: 200px; }
summary { cursor: pointer; color: var(--color-primary); padding: .25rem 0; }
.bulk-emails { min-height: 14rem; }
.export-block h3 { margin: 0; }
.export-block .block-heading { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.export-block textarea { min-height: 8rem; font-family: Consolas, monospace; font-size: .875rem; }
.copy-status { min-height: 1.4rem; color: var(--color-muted); margin-top: .5rem; font-size: .875rem; }
.contact-data { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: .75rem 1rem; }
.contact-data dt { font-weight: 600; }
.contact-row-actions { display: flex; flex-wrap: nowrap; gap: .4rem; }
.contact-row-actions .button { flex-shrink: 0; white-space: nowrap; }
.contact-data dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.empty-value { display: inline-block; padding: .05rem .45rem; border: 1px dashed #cbd2dc; border-radius: .3rem; background: #f3f4f6; color: #596579; font-size: .875rem; font-style: italic; }
.pre-wrap, pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.app-footer { max-width: 1248px; margin: auto; padding: var(--space-2) var(--space-3) var(--space-4); font-size: .75rem; color: var(--color-muted); }
.skip-link { position: absolute; left: var(--space-2); top: -100px; background: #fff; padding: .75rem; z-index: 10; }
.skip-link:focus { top: var(--space-2); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 1000px) {
    .dashboard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .history-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    .header-inner, .main-nav { padding-inline: var(--space-2); }
    .header-inner { align-items: flex-start; flex-direction: column; gap: .75rem; padding-block: var(--space-2); }
    .account { width: 100%; justify-content: space-between; }
    .main-nav { gap: .25rem; }
    .main-nav a { padding: .65rem .75rem; }
    .page { padding: var(--space-3) var(--space-2); }
    .page-heading, .download-panel { align-items: flex-start; flex-direction: column; }
    .panel, .page > form { padding: var(--space-2); }
    .dashboard-grid, .form-grid, .history-filters { grid-template-columns: minmax(0, 1fr); }
    .search-row { flex-wrap: wrap; }
    .search-row input { flex-basis: 100%; }
    .search-row button { width: 100%; }
    .category-options { flex-direction: column; }
    .inline-field { flex-wrap: wrap; }
    .contact-table-wrap { border: 0; background: transparent; overflow: visible; max-height: none; }
    .contact-table, .contact-table tbody { display: block; width: 100%; min-width: 0; }
    .contact-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
    .contact-table tr { display: block; border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-2); margin-bottom: .75rem; background: #fff; }
    .contact-table td { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: .75rem; padding: .4rem 0; border: 0; align-items: start; }
    .contact-table td::before { content: attr(data-label); color: var(--color-muted); font-size: .75rem; }
    .contact-table td.row-number { display: none; }
    .contact-table td.contact-identity { display: block; padding-bottom: .75rem; border-bottom: 1px solid var(--color-border); margin-bottom: .5rem; }
    .contact-table td.contact-identity::before { display: none; }
    .contact-table .table-actions .button { justify-self: start; }
    .pagination { align-items: flex-start; }
    .export-block .block-heading { flex-wrap: wrap; }
    .contact-data { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
    .contact-data dd { margin-bottom: .75rem; }
}
@media (prefers-reduced-motion: no-preference) {
    button, .button, .main-nav a { transition: background-color .15s ease, border-color .15s ease; }
}
@media print {
    .app-header, .app-footer, .pagination, .skip-link, .form-actions, .table-actions { display: none; }
    body { background: #fff; }
    .page { max-width: none; padding: 0; }
    .table-scroll, .contact-table-wrap, .table-scroll:has(> .history-table) { overflow: visible; max-height: none; }
}