:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --border: #dfe3e8;
    --text: #1f2933;
    --muted: #6b7280;
    --accent: #2563eb;
    --bad: #b91c1c;
    --month: #0d9488; /* current-month figures in the summary */
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.page { max-width: 1600px; margin: 0 auto; padding: 1.5rem; }
.page__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.page__header h1 { margin: 0; font-size: 1.4rem; }
.page__user { font-size: 0.85rem; color: var(--muted); display: flex; gap: 0.75rem; align-items: center; }
.page__user a { color: var(--accent); text-decoration: none; }
.page__user a:hover { text-decoration: underline; }

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}
.filters__field { display: flex; flex-direction: column; gap: 0.25rem; }
.filters__field label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.filters input, .filters select {
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    background: #fff;
}
.filters__events { border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.75rem; }
.filters__events legend { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.filters__check { display: inline-flex; align-items: center; gap: 0.25rem; margin-right: 0.75rem; font-size: 0.85rem; }
.filters__actions { display: flex; gap: 0.5rem; align-items: center; }
.filters button {
    padding: 0.45rem 1rem;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    cursor: pointer;
}
.btn-reset { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.btn-reset:hover { text-decoration: underline; }

/* Sections */
section { margin-bottom: 2rem; }
section h2 { font-size: 1rem; margin: 0 0 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.empty { color: var(--muted); font-style: italic; }

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.table th, .table td { padding: 0.5rem 0.7rem; text-align: left; border-bottom: 1px solid var(--border); }
.table thead th { background: #f9fafb; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #f9fafb; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .nowrap { white-space: nowrap; }
.table .bad { color: var(--bad); font-weight: 600; }
.table--summary td a { text-decoration: none; }
.table--summary td a:hover { text-decoration: underline; }

/* Colour-coded figures: dark = all-time total, teal = current month. */
.metric-total { font-weight: 600; }
.metric-total, .metric-total a { color: var(--text); }
.metric-month { display: block; margin-top: 0.1rem; font-size: 0.72rem; font-weight: 400; }
.metric-month, .metric-month a { color: var(--month); }
/* Bad metrics (bounces/dropped/spam): the total stays red. */
.table--summary td.bad .metric-total,
.table--summary td.bad .metric-total a { color: var(--bad); }

.summary__legend { color: var(--muted); font-size: 0.8rem; margin: 0 0 0.75rem; }
.legend-chip { font-weight: 600; }
.legend-chip--total { color: var(--text); }
.legend-chip--month { color: var(--month); }

/* Collapsible glossary explaining each summary metric. */
.glossary { margin: 0 0 1rem; font-size: 0.8rem; color: var(--muted); }
.glossary > summary { cursor: pointer; font-weight: 600; color: var(--text); }
.glossary__list { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; margin: 0.75rem 0 0; }
.glossary__list dt { font-weight: 600; color: var(--text); white-space: nowrap; }
.glossary__list dd { margin: 0; }
.glossary__list code { font-size: 0.78rem; }
.glossary__note { margin: 0.75rem 0 0; font-style: italic; }

.table--summary tfoot th, .table--summary tfoot td {
    border-top: 2px solid var(--border);
    background: #f9fafb;
    font-weight: 600;
}
.detail { max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Event badges */
.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: #e5e7eb;
    color: #374151;
}
.badge--delivery { background: #dcfce7; color: #166534; }
.badge--open { background: #dbeafe; color: #1e40af; }
.badge--click { background: #ede9fe; color: #5b21b6; }
.badge--send, .badge--subscription { background: #f3f4f6; color: #4b5563; }
.badge--delivery_delay { background: #fef9c3; color: #854d0e; }
.badge--bounce, .badge--reject, .badge--complaint, .badge--rendering_failure { background: #fee2e2; color: var(--bad); }
.badge__sub { margin-left: 0.25rem; font-size: 0.7rem; color: var(--muted); }
.filters__group { display: inline-flex; gap: 0.75rem; align-items: center; font-size: 0.8rem; color: var(--muted); }

/* Login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login__card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2.5rem;
    width: 360px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.login__card h1 { margin: 0 0 0.25rem; font-size: 1.3rem; }
.login__subtitle { color: var(--muted); margin: 0 0 1.5rem; }
.login__error { color: var(--bad); background: #fee2e2; border-radius: 6px; padding: 0.5rem 0.75rem; font-size: 0.85rem; }
.login__btn {
    display: inline-block;
    width: 100%;
    padding: 0.6rem 1rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
}
.login__btn:hover { background: #1d4ed8; }

/* DataTables (ux-datatables, "dt" theme) — match the .table card design */
.events .dt-container {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;   /* clip the table's square corners to the card radius */
    padding: 0;         /* table spans the full width of the card */
}
/* Only the control rows are inset; the table row stays flush to the edges. */
.events .dt-layout-row { align-items: center; margin: 0; }
.events .dt-container > .dt-layout-row:first-child {
    padding: 0.7rem 1rem;
}
.events .dt-container > .dt-layout-row:last-child {
    padding: 0.7rem 1rem;
    border-top: 1px solid var(--border);
}
/* The row holding the table is always flush — overrides the inset above. */
.events .dt-container > .dt-layout-row.dt-layout-table {
    padding: 0;
    border: 0;
    border-bottom
    : 1px solid var(--border);
}
.events .dt-search,
.events .dt-length,
.events .dt-info { color: var(--muted); font-size: 0.85rem; }
.events .dt-info { padding-left: 0.5rem; }
.events .dt-search input,
.events .dt-length select {
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    background: #fff;
}

/* Table sits flush inside the white card */
.events table.dataTable {
    width: 100% !important;
    border-collapse: collapse;
    background: transparent;
    margin: 0;
}
/* If the bundle also tags the table .table, drop the duplicate card border. */
.events table.dataTable.table { border: 0; border-radius: 0; }
.events table.dataTable thead th {
    background: #f9fafb;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0.7rem;
}
.events table.dataTable tbody td {
    padding: 0.5rem 0.7rem;
    border-bottom: 1px solid var(--border);
}
.events table.dataTable tbody tr:hover td { background: #f9fafb; }
.events table.dataTable tbody tr:last-child td { border-bottom: 0; }

/* Pagination — clean borderless "ghost" buttons that blend with the white card.
   High-specificity + !important to override DataTables' default boxed styling. */
.events .dt-container .dt-paging { display: flex; flex-wrap: wrap; gap: 0.15rem; }
.events .dt-container .dt-paging .dt-paging-button {
    min-width: 1.9rem;
    padding: 0.3rem 0.55rem;
    margin: 0;
    border: 0 !important;
    border-radius: 6px;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--text) !important;
    font: inherit;
    cursor: pointer;
    transition: background 0.12s ease;
}
.events .dt-container .dt-paging .dt-paging-button:hover {
    background: #f1f5f9 !important;
    color: var(--accent) !important;
}
.events .dt-container .dt-paging .dt-paging-button.current,
.events .dt-container .dt-paging .dt-paging-button.current:hover {
    background: var(--accent) !important;
    color: #fff !important;
    font-weight: 600;
}
.events .dt-container .dt-paging .dt-paging-button.disabled,
.events .dt-container .dt-paging .dt-paging-button.disabled:hover {
    background: transparent !important;
    color: var(--muted) !important;
    opacity: 0.45;
    cursor: default;
}

/* Pagination */
.pagination { margin-top: 1rem; }
.pagination a { color: var(--accent); text-decoration: none; font-weight: 600; }
.pagination a:hover { text-decoration: underline; }

/* Header nav */
.page__brand { display: flex; align-items: baseline; gap: 1.5rem; }
.page__nav { display: flex; gap: 0.25rem; }
.page__nav a {
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
}
.page__nav a:hover { background: #e9edf2; color: var(--text); }
.page__nav a.is-active { background: var(--panel); color: var(--accent); box-shadow: inset 0 0 0 1px var(--border); }

/* Campaigns */
.metric-rate { display: block; margin-top: 0.1rem; font-size: 0.72rem; font-weight: 400; color: var(--muted); }
.campaign-link { color: var(--accent); font-weight: 600; text-decoration: none; }
.campaign-link:hover { text-decoration: underline; }
.breadcrumb { margin: 0 0 0.75rem; font-size: 0.85rem; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.campaign-head { margin-bottom: 1rem; }
.campaign-head__title {
    font-size: 1.3rem !important;
    color: var(--text) !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    margin-bottom: 0.5rem !important;
    word-break: break-word;
}
.campaign-head__meta { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; margin: 0; }
.campaign-head__meta dt { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.campaign-head__meta dd { margin: 0; font-weight: 600; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 0.75rem; margin-bottom: 0.75rem; }
.tile {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.8rem 1rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.12s ease;
}
.tile:hover { border-color: var(--accent); }
.tile.is-active { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.tile__label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.tile__value { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile__sub { font-size: 0.75rem; color: var(--muted); }
.tile--bad .tile__value { color: var(--bad); }

.campaign-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .campaign-grid { grid-template-columns: minmax(0, 1fr); } }
.events__filter { text-transform: none; letter-spacing: 0; font-weight: 400; }
.events__filter a { color: var(--accent); }