/* RGL Infra Performance Dashboard - Styles */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2234;
    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --border-color: #2d3748;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1700px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Period Selector */
.period-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.quick-select {
    display: flex;
    gap: 0.25rem;
}

.period-btn {
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.period-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.period-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.period-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    position: relative;
}

.period-btn.disabled::after {
    content: "Soon";
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-yellow);
    color: var(--bg-primary);
    font-size: 0.6rem;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 600;
}

/* Client Period Buttons (same styling as period-btn) */
.client-period-btn {
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.client-period-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.client-period-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.date-picker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.date-picker label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.date-picker input[type="date"] {
    padding: 0.4rem 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
    border-radius: 4px;
    font-family: var(--font-mono);
}

.date-picker input[type="date"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.apply-btn {
    padding: 0.5rem 1rem;
    background: var(--accent-primary);
    border: none;
    color: white;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.apply-btn:hover {
    background: #2563eb;
}

.refresh-btn {
    padding: 0.6rem 1rem;
    background: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.refresh-btn:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
}

.date-range {
    display: flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.data-source {
    padding: 0.4rem 0.75rem;
    color: var(--accent-green);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: all 0.2s ease;
    font-family: inherit;
    position: relative;
    font-weight: 500;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}

.tab-btn.active {
    color: var(--accent-primary);
    background: var(--bg-card);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

/* Tab Content */
.tab-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0 12px 12px 12px;
    padding: 1.75rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content h2 {
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.tab-content h3 {
    font-size: 1.1rem;
    margin: 2rem 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.tab-content h3:first-of-type {
    margin-top: 1rem;
}

/* Overview Cards */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.capacity-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.card, .card-wide {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover, .card-wide:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

.card.highlight {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(16, 185, 129, 0.1));
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 1.6rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.card.highlight .card-value {
    color: var(--accent-green);
}

.card-sublabel {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Charts Section */
.charts-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.charts-section h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    min-height: 300px;
}

.chart-container h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 0.75rem 0;
    font-weight: 500;
}

.chart-container canvas {
    max-height: 250px;
}

/* Filter Row */
.filter-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-row label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.filter-row select {
    padding: 0.6rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    border-radius: 6px;
    cursor: pointer;
    min-width: 200px;
    font-family: inherit;
}

.filter-row select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Table Section */
.table-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.table-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--bg-primary);
}

th {
    padding: 0.875rem 0.65rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 0.75rem 0.65rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

/* Infra Type Colors */
.infra-google-reseller { color: var(--accent-primary); }
.infra-aged-outlook { color: var(--accent-purple); }
.infra-outlook { color: var(--accent-red); }
.infra-maldoso { color: var(--accent-green); }
.infra-legacy-panel { color: var(--accent-yellow); }
.infra-winnr-smtp { color: var(--accent-pink); }

/* Status Badges */
.status {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status.best {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.status.good {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

.status.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
}

.status.bad {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.status.impractical {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.status.feasible {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

/* Highlighted Table Columns */
.highlight-col {
    color: var(--accent-green);
    font-weight: 600;
}

/* Section Description */
.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Projections Notes */
.projections-notes {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.projections-notes h3 {
    font-size: 1.1rem;
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.projections-notes h3:first-child {
    margin-top: 0;
}

.projections-notes ul {
    margin: 0;
    padding-left: 1.5rem;
}

.projections-notes li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}

.projections-notes strong {
    color: var(--text-primary);
}

/* Cost Detail Cards */
.cost-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.cost-detail-card h4 {
    font-size: 0.95rem;
    margin: 0 0 0.75rem 0;
    color: var(--accent-primary);
    font-weight: 600;
}

.cost-detail-table {
    width: 100%;
    font-size: 0.85rem;
    border-collapse: collapse;
    margin-bottom: 0.75rem;
}

.cost-detail-table td {
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cost-detail-table td:first-child {
    color: var(--text-secondary);
    width: 60%;
}

.cost-detail-table td:last-child {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

.cost-detail-table tr:last-child td {
    border-bottom: none;
}

.calc-formula {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 4px;
    line-height: 1.6;
}

.calc-formula strong {
    color: var(--accent-green);
}

/* Formula Box */
.formula-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.formula-box p {
    margin: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.formula-box p:first-child {
    margin-top: 0;
}

.formula-box p:last-child {
    margin-bottom: 0;
}

.formula-box strong {
    color: var(--text-primary);
}

.formula-box .note {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-style: italic;
    color: var(--accent-yellow);
}

/* Error State */
.error {
    text-align: center;
    padding: 2rem;
}

.error p {
    margin-bottom: 1rem;
    color: var(--accent-yellow);
}

.error .hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.error code {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

/* Footer */
footer {
    text-align: center;
    padding-top: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .capacity-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }

    .card-value {
        font-size: 1.4rem;
    }

    .tab-nav {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .period-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .date-picker {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ======================
   Bounce Tab Styles
   ====================== */

.bounce-overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.card.danger {
    border-color: var(--accent-red);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(239, 68, 68, 0.1));
}

.card.danger .card-value {
    color: var(--accent-red);
}

.card.warning {
    border-color: var(--accent-yellow);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(245, 158, 11, 0.1));
}

.card.warning .card-value {
    color: var(--accent-yellow);
}

.card.caution {
    border-color: #f97316;
    background: linear-gradient(135deg, var(--bg-secondary), rgba(249, 115, 22, 0.1));
}

.card.caution .card-value {
    color: #f97316;
}

.bounce-breakdown-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.breakdown-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.breakdown-card h3 {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Bounce Type Colors */
.bounce-type-hard-bounce {
    color: var(--accent-red);
    font-weight: 600;
}

.bounce-type-soft-bounce {
    color: var(--accent-yellow);
}

.bounce-type-block {
    color: var(--accent-purple);
}

.bounce-type-complaint {
    color: var(--accent-pink);
}

.bounce-type-invalid-address {
    color: var(--accent-red);
}

.bounce-type-reputation-block {
    color: var(--accent-yellow);
}

.bounce-type-aggregate {
    color: var(--accent-primary);
}

.bounce-type-other,
.bounce-type-unknown {
    color: var(--text-secondary);
}

/* Data Source Indicator */
.source-webhook {
    color: var(--accent-green);
    font-weight: 500;
}

.source-aggregate {
    color: var(--accent-yellow);
}

/* Full width breakdown card */
.breakdown-card.full-width {
    grid-column: 1 / -1;
}

/* No data message */
.no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-style: italic;
}

/* Severity Colors */
.severity-critical {
    color: var(--accent-red);
    font-weight: 600;
}

.severity-normal {
    color: var(--text-secondary);
}

/* ======================
   Domain Health Tab Styles
   ====================== */

.danger-heading {
    color: var(--accent-red) !important;
}

.warning-heading {
    color: var(--accent-yellow) !important;
}

.success-heading {
    color: var(--accent-green) !important;
}

.danger-col {
    color: var(--accent-red);
}

.warning-col {
    color: var(--accent-yellow);
}

.success-col {
    color: var(--accent-green);
}

.danger-cell {
    color: var(--accent-red);
    font-weight: 600;
}

.warning-cell {
    color: var(--accent-yellow);
    font-weight: 600;
}

.success-cell {
    color: var(--accent-green);
    font-weight: 600;
}

/* Domain Health Tables */
#tab-domains table td:first-child {
    font-family: var(--font-sans);
    font-weight: 500;
}

/* Filter Row Enhancements */
.filter-row .apply-btn {
    margin-left: 0.5rem;
}

/* Code Display */
code {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

/* ======================
   Trend Charts Styles
   ====================== */

.trends-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.trends-section h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.infra-trends-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.infra-trends-section h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.chart-container h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 0.75rem 0;
    font-weight: 500;
}

.chart-wide {
    max-width: 100%;
}

/* ======================
   Client Analytics Tab Styles
   ====================== */

#tab-client-analytics .filter-row {
    margin-bottom: 1.5rem;
}

#tab-client-analytics .filter-row select {
    min-width: 250px;
}

.placeholder-message {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
}

.placeholder-message p {
    font-size: 1.1rem;
    margin: 0;
}

#clientSummaryCards {
    margin-bottom: 2rem;
}

#clientChartsContainer h3,
#clientInfraTableContainer h3 {
    font-size: 1.1rem;
    margin: 2rem 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

#clientChartsContainer h3:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Time-independent tab note */
.time-independent-note {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
    font-size: 0.75rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    font-weight: 500;
}

/* ======================
   Loading State Improvements
   ====================== */

.loading .slow-message {
    color: var(--accent-yellow);
    font-size: 1.1rem;
    margin-top: 1rem;
}

.loading .slow-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.retry-btn {
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.retry-btn:active {
    transform: translateY(0);
}

.error .hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.75rem;
}

/* ======================
   Main Tab Navigation
   ====================== */

.main-tab-nav {
    display: flex;
    gap: 0;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 1.5rem;
}

.main-tab-btn {
    flex: 1;
    padding: 0.875rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.main-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}

.main-tab-btn.active {
    background: var(--accent-primary);
    color: white;
}

/* ======================
   Subtab Navigation
   ====================== */

.subtab-nav {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0;
}

.subtab-btn {
    padding: 0.625rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.2s ease;
    font-family: inherit;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.subtab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.subtab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

/* Main tab content containers */
.main-tab-content {
    animation: fadeIn 0.2s ease;
}

.subtab-content {
    animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ======================
   Bounce Date Controls
   ====================== */

.bounce-date-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.bounce-date-controls label {
    font-weight: 500;
    color: var(--text-secondary);
}

.bounce-date-controls input[type="date"] {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.bounce-date-controls input[type="date"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.bounce-date-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-left: auto;
}

.btn-small {
    padding: 0.5rem 1rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.btn-small:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.btn-small:active {
    transform: translateY(0);
}

/* ======================
   Bounce Tables Layout
   ====================== */

.bounce-tables-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.table-section {
    margin-bottom: 1.5rem;
}

.table-section h3 {
    font-size: 1rem;
    margin: 0 0 0.75rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-style: italic;
}

/* ======================
   Bounce Events Controls
   ====================== */

.bounce-events-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.bounce-events-controls select {
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
}

.bounce-events-controls select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* ======================
   Action Badges
   ====================== */

.action-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.action-badge-critical {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.action-badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-yellow);
    border: 1px solid var(--accent-yellow);
}

.action-badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

/* ======================
   Severity Indicators
   ====================== */

.severity-critical {
    color: var(--accent-red);
    font-weight: 500;
}

.severity-warning {
    color: var(--accent-yellow);
    font-weight: 500;
}

.severity-info {
    color: var(--text-secondary);
}

/* ======================
   MX Provider Colors
   ====================== */

.mx-google {
    color: #4285f4;
    font-weight: 500;
}

.mx-microsoft {
    color: #00a4ef;
    font-weight: 500;
}

.mx-mimecast {
    color: #ff6b35;
    font-weight: 500;
}

.mx-barracuda {
    color: #00b388;
    font-weight: 500;
}

.mx-proofpoint {
    color: #e6002d;
    font-weight: 500;
}

.mx-other {
    color: var(--text-secondary);
}

.mx-unknown {
    color: var(--text-secondary);
    font-style: italic;
}

/* ======================
   Message Preview
   ====================== */

.message-preview {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: help;
}

@media (max-width: 768px) {
    .bounce-tables-section {
        grid-template-columns: 1fr;
    }
}

/* ======================
   Client Selector Styles
   ====================== */

.client-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.client-selector label {
    font-weight: 500;
    color: var(--text-secondary);
}

.client-selector select {
    padding: 0.625rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    border-radius: 6px;
    cursor: pointer;
    min-width: 250px;
    font-family: inherit;
}

.client-selector select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#clientOverviewSection {
    animation: fadeIn 0.2s ease;
}

#clientOverviewSection h2 {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

#clientOverviewSection .table-section {
    margin-top: 2rem;
}

#clientOverviewSection .table-section h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Domain Health - mini tables for worst-by-infra */
.mini-table {
    width: 100%;
    font-size: 0.85em;
}

.mini-table th {
    padding: 0.4rem 0.6rem;
    font-size: 0.8em;
}

.mini-table td {
    padding: 0.35rem 0.6rem;
}