/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    color-scheme: light dark;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #16a34a;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    --color-on-accent: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-900: #0f172a;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-danger-text: #991b1b;
    --color-success-bg: #f0fdf4;
    --color-success-border: #bbf7d0;
    --color-success-text: #166534;
    --color-info-bg: #dbeafe;
    --color-info-text: #1e3a8a;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #f59e0b;
    --color-warning-text: #92400e;
    --color-focus-ring: rgba(37, 99, 235, 0.1);
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-success: #4ade80;
        --color-bg: #0f172a;
        --color-white: #1e293b;
        --color-gray-50: #1e293b;
        --color-gray-100: #334155;
        --color-gray-200: #334155;
        --color-gray-300: #475569;
        --color-gray-500: #94a3b8;
        --color-gray-600: #94a3b8;
        --color-gray-700: #cbd5e1;
        --color-gray-900: #f1f5f9;
        --color-danger-bg: #7f1d1d;
        --color-danger-border: #991b1b;
        --color-danger-text: #fca5a5;
        --color-success-bg: #14532d;
        --color-success-border: #166534;
        --color-success-text: #86efac;
        --color-info-bg: #1e3a8a;
        --color-info-text: #bfdbfe;
        --color-warning-bg: #451a03;
        --color-warning-border: #d97706;
        --color-warning-text: #fde68a;
        --color-focus-ring: rgba(37, 99, 235, 0.35);
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.4);
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-gray-900);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.dkim-authentication p,
.dkim-authentication ul {
    margin: 0.75rem 1.25rem;
    overflow-wrap: anywhere;
}

.card.dkim-warning {
    background-color: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: var(--color-warning-text);
}

/* Navigation */
.navbar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    height: 56px;
    box-shadow: var(--shadow);
}

.nav-brand a {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-gray-900);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    margin: 0 0 0 2rem;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: 0.875rem;
}

.nav-links a:hover {
    color: var(--color-primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.container-wide {
    max-width: 1800px;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Breadcrumb */
.breadcrumb {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 0.5rem;
}

/* Cards */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.card-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

/* Stats grid (dashboard) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.data-table th {
    background-color: var(--color-gray-100);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
}

.data-table tbody tr:hover {
    background-color: var(--color-gray-100);
}

.data-table a {
    color: var(--color-primary);
    text-decoration: none;
}

.data-table a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
    color: var(--color-gray-700);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn:hover {
    background-color: var(--color-gray-100);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-accent);
}

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

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-on-accent);
}

.btn-danger:hover {
    background-color: var(--color-danger-hover);
    border-color: var(--color-danger-hover);
}

.btn-secondary {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background-color: var(--color-gray-200);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Forms */
.inline-form {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    align-items: center;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"] {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    min-width: 250px;
    background-color: var(--color-white);
    color: var(--color-gray-900);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.form-group {
    padding: 0 1.25rem;
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    max-width: 400px;
}

.form-actions {
    padding: 0 1.25rem 1rem;
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    min-width: 150px;
}

.input-addon {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-left: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-gray-500);
}

/* Detail list */
.detail-list {
    padding: 1rem 1.25rem;
    margin: 0;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 0.75rem;
}

.detail-list dt {
    font-weight: 500;
    color: var(--color-gray-500);
}

.detail-list dd {
    margin: 0;
}

.policy-panel {
    padding: 1rem 1.25rem;
}

.policy-panel .error-message,
.policy-panel .success-message {
    margin-bottom: 1rem;
}

.policy-row {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.policy-row .help-text {
    margin: 0.25rem 0 0;
}

/* Code */
code {
    font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
    font-size: 0.875em;
    background-color: var(--color-gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
}

.token-created {
    padding: 1rem 1.25rem;
}

.token-value {
    display: block;
    margin-top: 1rem;
    padding: 0.75rem;
    overflow-x: auto;
    white-space: nowrap;
}

/* Empty state */
.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--color-gray-500);
}

/* Error message */
.error-message {
    padding: 0.75rem 1rem;
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius);
    color: var(--color-danger-text);
    font-size: 0.875rem;
}

/* Success message */
.success-message {
    padding: 0.75rem 1rem;
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius);
    color: var(--color-success-text);
    font-size: 0.875rem;
}

/* Error page */
.error-page {
    text-align: center;
    padding: 4rem 1.5rem;
}

.error-page h1 {
    color: var(--color-danger);
}

.error-page .error-message {
    display: inline-block;
    margin-bottom: 1.5rem;
}

/* Pagination */
.pagination-controls {
    padding: 1rem 1.25rem;
    text-align: center;
    border-top: 1px solid var(--color-gray-200);
}

.pagination-info {
    padding: 0.75rem 1.25rem;
    margin: 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    border-top: 1px solid var(--color-gray-200);
}

/* HTMX loading indicator */
.htmx-request {
    opacity: 0.7;
    pointer-events: none;
}

.htmx-request .btn {
    cursor: wait;
}

/* Clickable table rows */
.clickable-row {
    cursor: pointer;
}

.clickable-row:hover {
    background-color: var(--color-gray-100);
}

/* Email viewer */
.email-viewer .card-header h2 {
    font-size: 1.25rem;
}

.email-headers {
    border-bottom: 1px solid var(--color-gray-200);
}

.email-body-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.body-toggle {
    display: flex;
    gap: 0.5rem;
}

.body-toggle-btn {
    opacity: 0.6;
}

.body-toggle-btn.active {
    opacity: 1;
    background-color: var(--color-primary);
    color: var(--color-on-accent);
    border-color: var(--color-primary);
}

.email-body {
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-900: #0f172a;
    margin: 1rem 1.25rem 1.25rem;
    padding: 1.25rem;
    color-scheme: light;
    background-color: #ffffff;
    color: #0f172a;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
}

.body-text pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    background: none;
    padding: 0;
}

.body-html {
    line-height: 1.6;
}

.body-html img {
    max-width: 100%;
    height: auto;
}

.inline-image-blocked {
    display: inline-block;
    max-width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px dashed var(--color-gray-300);
    border-radius: 4px;
    background: var(--color-gray-50);
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* Attachments */
.attachment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.attachment-item {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.attachment-item:last-child {
    border-bottom: none;
}

.attachment-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    text-decoration: none;
}

.attachment-link:hover {
    text-decoration: underline;
}

.attachment-icon {
    font-size: 1.25rem;
}

.attachment-size {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Observability */
.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    padding: 1.25rem;
}

.health-card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
    padding: 1rem;
    background-color: var(--color-white);
    min-width: 0;
}

.health-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

.health-status {
    margin: 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: capitalize;
}

.health-up .health-status {
    color: var(--color-success);
}

.health-down .health-status {
    color: var(--color-danger);
}

.health-unknown .health-status {
    color: var(--color-gray-500);
}

.query-code {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.filter-bar {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.filter-bar label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.filter-bar select {
    min-width: 180px;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    background-color: var(--color-white);
    color: var(--color-gray-900);
}

.table-scroll {
    position: relative;
    overflow-x: auto;
}

.observability-table {
    table-layout: fixed;
    min-width: 1060px;
}

.observability-table th,
.observability-table td {
    padding: 0.625rem 0.5rem;
}

.observability-table td {
    font-size: 0.875rem;
}

.observability-table th:nth-child(1),
.observability-table td:nth-child(1) {
    width: 140px;
}

.observability-table th:nth-child(2),
.observability-table td:nth-child(2) {
    width: 80px;
}

.observability-table th:nth-child(3),
.observability-table td:nth-child(3) {
    width: 232px;
}

.observability-table th:nth-child(4),
.observability-table td:nth-child(4) {
    width: 184px;
}

.observability-table th:nth-child(6),
.observability-table td:nth-child(6) {
    width: 64px;
    text-align: center;
}

.observability-table th:nth-child(7),
.observability-table td:nth-child(7) {
    width: 72px;
    text-align: center;
}

.observability-table th:nth-child(8),
.observability-table td:nth-child(8) {
    width: 80px;
    text-align: center;
}

.observability-table th:nth-child(9),
.observability-table td:nth-child(9) {
    width: 60px;
}

.transaction-time {
    white-space: nowrap;
}

.sender-summary,
.sender-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.sender-address {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sender-rewrite-badge {
    flex: none;
    padding: 0.0625rem 0.375rem;
    border-radius: 999px;
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
    font-size: 0.6875rem;
    font-weight: 600;
}

.sender-rewrite-note {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
}

.sender-raw-details {
    margin-top: 0.375rem;
    color: var(--color-gray-500);
    font-size: 0.75rem;
}

.sender-raw-details summary {
    cursor: pointer;
}

.sender-raw-details code {
    display: inline-block;
    margin-top: 0.375rem;
    overflow-wrap: anywhere;
}

.truncate-cell {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    min-height: 1.5rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.status-details {
    position: relative;
    display: inline-flex;
    vertical-align: middle;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 999px;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1;
    list-style: none;
}

.status-indicator::-webkit-details-marker {
    display: none;
}

.status-indicator:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.status-tooltip {
    position: absolute;
    z-index: 10;
    top: 50%;
    right: calc(100% + 0.375rem);
    left: auto;
    visibility: hidden;
    padding: 0.25rem 0.5rem;
    transform: translateY(-50%);
    border-radius: 4px;
    background-color: var(--color-gray-900);
    box-shadow: var(--shadow);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.25;
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
}

.status-details:hover .status-tooltip,
.status-details:focus-within .status-tooltip,
.status-details[open] .status-tooltip {
    visibility: visible;
    opacity: 1;
}

.status-ingested,
.status-stored,
.status-delivered,
.status-up {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
}

.status-failed,
.status-missing,
.status-down {
    background-color: var(--color-danger-bg);
    color: var(--color-danger-text);
}

.status-pending,
.status-delivering,
.status-not_configured,
.status-unknown {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.log-list {
    display: flex;
    flex-direction: column;
}

.log-row {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.log-row:last-child {
    border-bottom: none;
}

.log-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.server-log,
.log-row pre {
    max-width: 80ch;
    margin: 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
    font-size: 0.8125rem;
    color: var(--color-gray-900);
}

.server-log {
    margin-bottom: 1rem;
}

/* Delivery Details (collapsible) */
.delivery-details {
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    margin-bottom: 1.5rem;
}

.delivery-details .card-header {
    background-color: var(--color-gray-100);
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.delivery-details .card-header:hover {
    background-color: var(--color-gray-200);
}

.delivery-details .card-header h2 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.delivery-details .toggle-icon {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.delivery-details.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.delivery-details .detail-list {
    grid-template-columns: 150px minmax(0, 1fr);
    font-size: 0.8125rem;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

.delivery-details .detail-list dd {
    min-width: 0;
    overflow-wrap: anywhere;
}

.delivery-details .detail-list dt {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.delivery-details .detail-list dd code {
    font-size: 0.8125rem;
}

.delivery-details-content {
    display: block;
}

.delivery-details.collapsed .delivery-details-content {
    display: none;
}

@media (max-width: 600px) {
    .delivery-details .detail-list,
    .email-viewer .detail-list {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.375rem;
    }

    .delivery-details .detail-list dd,
    .email-viewer .detail-list dd {
        margin-bottom: 0.5rem;
        overflow-wrap: anywhere;
    }

    .delivery-details .sender-detail {
        flex-wrap: wrap;
    }
}

/* Message list subject column */
.subject-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-gray-700);
}

/* Actions column */
.actions-cell {
    width: 1%;
    white-space: nowrap;
    text-align: right;
}

/* Card body */
.card-body {
    padding: 1rem 1.25rem;
}

/* Help text */
.help-text {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Tag list for sender restrictions */
.tag-list {
    list-style: none;
    margin: 0 0 1rem 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.tag-remove {
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0 0.25rem;
}

.tag-remove:hover {
    color: var(--color-danger);
}

/* Local accounts */
.auth-card {
    max-width: 460px;
    margin: 3rem auto;
}

.auth-email {
    overflow-wrap: anywhere;
}

.account-card {
    max-width: 640px;
}

.auth-card h1, .account-card h1 {
    font-size: 1.4rem;
    margin: 0;
}

.auth-card .card-body, .account-card .card-body {
    padding: 1.25rem;
}

.auth-card .form-group, .account-card .form-group, .account-card .form-actions {
    padding: 0;
}

.auth-card input, .account-card input, .account-card select {
    min-width: 0;
    max-width: 100%;
}

.account-card select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    background-color: var(--color-white);
    color: var(--color-gray-900);
}

.account-card input[type="checkbox"] {
    width: auto;
    margin-right: 0.4rem;
}

.auth-card .text-muted, .account-card .text-muted {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.auth-card button[type="submit"] {
    width: 100%;
}

.nav-account {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
}

.nav-account form, .user-actions form {
    margin: 0;
    display: inline-block;
}

.user-actions {
    white-space: nowrap;
}

.alert {
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    background: var(--color-info-bg);
    color: var(--color-info-text);
}

.alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

[hidden] {
    display: none !important;
}

@media (max-width: 800px) {
    .navbar {
        height: auto;
        min-height: 56px;
        flex-wrap: wrap;
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .nav-links {
        flex-basis: 100%;
        margin-left: 0;
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .nav-account {
        margin-left: 0;
    }

    .auth-card {
        margin-top: 1rem;
    }
}

/* Rejected and deferred delivery history */
.delivery-attempt-table { min-width: 1100px; table-layout: fixed; }
.delivery-attempt-table th, .delivery-attempt-table td { padding: 0.5rem 0.65rem; }
.delivery-attempt-table td { vertical-align: top; font-size: 0.875rem; }
.delivery-attempt-table th:nth-child(1) { width: 175px; }
.delivery-attempt-table th:nth-child(2) { width: 22%; }
.delivery-attempt-table th:nth-child(3) { width: 23%; }
.delivery-attempt-table th:nth-child(4) { width: 90px; }
.delivery-attempt-table th:nth-child(5) { width: 100px; }
.delivery-attempt-table th:last-child { width: 65px; }
.delivery-attempt-table time { white-space: nowrap; font-variant-numeric: tabular-nums; }
.egress-log-table { min-width: 1400px; table-layout: fixed; }
.egress-log-table-admin { min-width: 1500px; }
.egress-log-table th, .egress-log-table td { padding: 0.5rem 0.65rem; vertical-align: top; font-size: 0.875rem; overflow-wrap: anywhere; }
.egress-log-table th { overflow-wrap: normal; }
.egress-log-table time { white-space: nowrap; font-variant-numeric: tabular-nums; }
.egress-created { width: 175px; }
.egress-status { width: 100px; }
.egress-retries { width: 120px; }
.egress-next { width: 165px; }
.egress-error { width: 150px; }
.egress-tenant { width: 100px; }
.egress-action { width: 75px; }
.egress-log-table .attempt-address { white-space: normal; overflow-wrap: anywhere; }
.egress-log-table td:nth-child(5) { text-align: center; font-variant-numeric: tabular-nums; }
.egress-log-table td:last-child { white-space: nowrap; }
.ingress-attempt-details .sender-detail { flex-wrap: wrap; }
.delivery-attempt-table .sender-rewrite-note { overflow-wrap: anywhere; }
.ingress-attempt-details .detail-list, .egress-job-details .detail-list { grid-template-columns: 150px minmax(0, 1fr); }
.ingress-attempt-details .detail-list dd, .egress-job-details .detail-list dd { overflow-wrap: anywhere; }
.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: 600px) {
    .ingress-attempt-details .detail-list, .egress-job-details .detail-list { grid-template-columns: minmax(0, 1fr); }
}
.attempt-address { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attempt-reason > strong,
.attempt-reason > span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attempt-outcome { display: inline-block; padding: 0.1rem 0.35rem; border-radius: 0.25rem; font-size: 0.75rem; font-weight: 600; }
.attempt-accepted { color: #166534; background: #dcfce7; }
.attempt-rejected { color: #991b1b; background: #fee2e2; }
.attempt-deferred { color: #92400e; background: #fef3c7; }
@media (prefers-color-scheme: dark) {
    .attempt-accepted { color: #bbf7d0; background: #14532d; }
    .attempt-rejected { color: #fecaca; background: #7f1d1d; }
    .attempt-deferred { color: #fde68a; background: #78350f; }
}

.egress-pagination { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; padding: 1rem; border-top: 1px solid var(--color-gray-200); }