/* ================================================================
   CERTMON Expiry Trend — Dashboard Region CSS
   Naming: plg-dbrealm-certmon-trend-*
   Stacked area chart (ApexCharts) + upcoming expirations list
   Added in v1.5.0
   ================================================================ */

/* ── Custom Properties ── */
:root {
    --plg-dbrealm-certmon-healthy:   #16a34a;
    --plg-dbrealm-certmon-warning:   #f59e0b;
    --plg-dbrealm-certmon-critical:  #ea580c;
    --plg-dbrealm-certmon-expired:   #dc2626;
}

/* ── Container ── */
.plg-dbrealm-certmon-trend {
    background: var(--plg-certmon-bg, var(--ut-component-background-color, #fff));
    border: 1px solid var(--plg-certmon-border, var(--ut-component-border-color, #e5e7eb));
    border-radius: var(--plg-certmon-radius, .75rem);
    box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    padding: 1.25rem 1.5rem;
    color: var(--plg-certmon-text, var(--ut-component-text-color, #1e293b));
}

/* ── Header ── */
.plg-dbrealm-certmon-trend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .75rem;
    flex-wrap: wrap;
    gap: .5rem;
}
.plg-dbrealm-certmon-trend-title-row {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.plg-dbrealm-certmon-trend-title-row .fa {
    font-size: 1.125rem;
    color: #0891b2;
}
.plg-dbrealm-certmon-trend-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.3;
}
.plg-dbrealm-certmon-trend-subtitle {
    font-size: .8125rem;
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
}

/* ── Legend ── */
.plg-dbrealm-certmon-trend-legend {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: .75rem;
    font-size: .8125rem;
}
.plg-dbrealm-certmon-trend-legend-item {
    display: flex;
    align-items: center;
    gap: .375rem;
}
.plg-dbrealm-certmon-trend-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}
.plg-dbrealm-certmon-trend-legend-dot--healthy  { background: var(--plg-dbrealm-certmon-healthy); }
.plg-dbrealm-certmon-trend-legend-dot--warning   { background: var(--plg-dbrealm-certmon-warning); }
.plg-dbrealm-certmon-trend-legend-dot--critical  { background: var(--plg-dbrealm-certmon-critical); }
.plg-dbrealm-certmon-trend-legend-dot--expired   { background: var(--plg-dbrealm-certmon-expired); }
.plg-dbrealm-certmon-trend-legend-label {
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
}

/* ── Chart Container ── */
.plg-dbrealm-certmon-trend-chart {
    width: 100%;
    min-height: 260px;
    margin-bottom: .5rem;
}

/* ApexCharts overrides for consistent theming */
.plg-dbrealm-certmon-trend .apexcharts-tooltip {
    border-radius: .5rem !important;
    box-shadow: 0 4px 12px rgba(0,0,0,.12) !important;
}
.plg-dbrealm-certmon-trend .apexcharts-xaxis-label,
.plg-dbrealm-certmon-trend .apexcharts-yaxis-label {
    fill: var(--plg-certmon-text-muted, #64748b) !important;
    font-size: 11px !important;
}
.plg-dbrealm-certmon-trend .apexcharts-gridline {
    stroke: var(--plg-certmon-border, #e5e7eb) !important;
}

/* ── Divider ── */
.plg-dbrealm-certmon-trend-divider {
    border: none;
    border-top: 1px solid var(--plg-certmon-border, var(--ut-component-border-color, #e5e7eb));
    margin: 1rem 0;
}

/* ── Upcoming Expirations ── */
.plg-dbrealm-certmon-trend-upcoming-title {
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: .75rem;
    display: flex;
    align-items: center;
    gap: .375rem;
}
.plg-dbrealm-certmon-trend-upcoming-title .fa {
    color: var(--plg-dbrealm-certmon-critical);
}

.plg-dbrealm-certmon-trend-upcoming {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.plg-dbrealm-certmon-trend-upcoming-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem .625rem;
    border-radius: .375rem;
    background: var(--plg-certmon-bg-subtle, var(--ut-component-background-alt, #f8f9fa));
    transition: background .15s ease;
    cursor: pointer;
}
.plg-dbrealm-certmon-trend-upcoming-row:hover {
    background: var(--plg-certmon-border, var(--ut-component-border-color, #e5e7eb));
}

.plg-dbrealm-certmon-trend-upcoming-days {
    min-width: 48px;
    text-align: center;
    font-size: .8125rem;
    font-weight: 700;
    padding: .25rem .375rem;
    border-radius: .25rem;
    color: #fff;
    flex-shrink: 0;
}
.plg-dbrealm-certmon-trend-upcoming-days--expired  { background: var(--plg-dbrealm-certmon-expired); }
.plg-dbrealm-certmon-trend-upcoming-days--critical { background: var(--plg-dbrealm-certmon-critical); }
.plg-dbrealm-certmon-trend-upcoming-days--warning  { background: var(--plg-dbrealm-certmon-warning); }

.plg-dbrealm-certmon-trend-upcoming-info {
    flex: 1;
    min-width: 0;
}
.plg-dbrealm-certmon-trend-upcoming-fqdn {
    font-size: .8125rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.plg-dbrealm-certmon-trend-upcoming-meta {
    font-size: .75rem;
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.plg-dbrealm-certmon-trend-upcoming-date {
    font-size: .75rem;
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
    flex-shrink: 0;
    text-align: right;
}

/* ── Side-by-Side Upcoming Grid (v1.6.0) ── */
.plg-dbrealm-certmon-trend-upcoming-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.plg-dbrealm-certmon-trend-upcoming-col-title {
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: .75rem;
    display: flex;
    align-items: center;
    gap: .375rem;
}
.plg-dbrealm-certmon-trend-upcoming-col-title .fa-certificate {
    color: var(--plg-dbrealm-certmon-critical);
}
.plg-dbrealm-certmon-trend-upcoming-col-title .fa-globe {
    color: #2563eb;
}
.plg-dbrealm-certmon-trend-col-empty {
    text-align: center;
    padding: 1rem .5rem;
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
    font-size: .8125rem;
}
.plg-dbrealm-certmon-trend-col-empty .fa {
    color: var(--plg-dbrealm-certmon-healthy);
    margin-right: .25rem;
}

/* ── Empty state ── */
.plg-dbrealm-certmon-trend-empty {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--plg-certmon-text-muted, var(--ut-component-text-muted-color, #64748b));
    font-size: .875rem;
}
.plg-dbrealm-certmon-trend-empty .fa {
    display: block;
    font-size: 2rem;
    margin-bottom: .5rem;
    color: var(--plg-dbrealm-certmon-healthy);
}

/* ── Dark Mode ── */
.t-Body--dark {
    --plg-dbrealm-certmon-healthy:  #22c55e;
    --plg-dbrealm-certmon-warning:  #fbbf24;
    --plg-dbrealm-certmon-critical: #f97316;
    --plg-dbrealm-certmon-expired:  #ef4444;
}
.t-Body--dark .plg-dbrealm-certmon-trend {
    box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .plg-dbrealm-certmon-trend-upcoming-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 600px) {
    .plg-dbrealm-certmon-trend-chart { min-height: 200px; }
    .plg-dbrealm-certmon-trend-legend { gap: .5rem; font-size: .75rem; }
    .plg-dbrealm-certmon-trend-upcoming-date { display: none; }
    .plg-dbrealm-certmon-trend { padding: 1rem; }
}