:root {
    --sidebar-width: 250px;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-bg: #f1f5f9;
    --color-surface: #ffffff;
    --color-text: #0f172a;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

html, body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg) !important;
    background-image: none !important;
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
}

a, .btn-link {
    color: var(--color-primary);
}

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.15rem rgba(37, 99, 235, 0.25);
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* ── Sidebar ── */
.sidebar {
    background-image: none !important;
    background-color: #0f172a !important;
}

/* ── Page wrapper ── */
.page-wrapper {
    padding: 1.5rem 1rem;
}

/* ── Cards ── */
.card-modern {
    background: var(--color-surface);
    border: none !important;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
    .card-modern:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-1px);
    }
    .card-modern .card-header {
        background: transparent;
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.25rem;
        border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
    }
    .card-modern .card-body {
        padding: 1.25rem;
    }
    .card-modern .card-footer {
        background: transparent;
        border-top: 1px solid var(--color-border);
        padding: 1rem 1.25rem;
    }

/* ── Tables ── */
.table-modern {
    margin-bottom: 0;
}
    .table-modern thead th {
        background: #f8fafc;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--color-text-secondary);
        font-weight: 600;
        padding: 0.85rem 1rem;
        border-bottom: 2px solid var(--color-border);
    }
    .table-modern tbody td {
        padding: 0.75rem 1rem;
        vertical-align: middle;
        border-bottom: 1px solid var(--color-border);
    }
    .table-modern tbody tr:last-child td {
        border-bottom: none;
    }
    .table-modern tbody tr {
        transition: background-color 0.15s ease;
    }

/* ── Hover lift for cards ── */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
    .hover-lift:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

/* ── Spinner ── */
.spinner-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem;
    color: var(--color-text-secondary);
}

/* ── Alerts ── */
.alert-modern {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.25rem;
}

/* ── Badges ── */
.badge-modern {
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
}

/* ── Headings ── */
h2.page-title {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0;
    font-size: 1.4rem;
}
p.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* ── Search bar ── */
.search-bar {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1rem;
}
    .search-bar .input-group-text {
        background: transparent;
        border-color: var(--color-border);
    }
    .search-bar .form-control {
        border-color: var(--color-border);
    }

/* ── Buttons ── */
.btn-modern {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.15s ease;
}

/* ── Cursor pointer ── */
.cursor-pointer { cursor: pointer; }

/* ── Shadow inner ── */
.shadow-inner { box-shadow: inset 0 2px 4px rgba(0,0,0,0.04); }

/* ── Border dashed ── */
.border-dashed { border-style: dashed !important; }

/* ── Font size utilities (Bootstrap 5.3+ compatible) ── */
.fs-7 { font-size: 0.8rem !important; }
.fs-8 { font-size: 0.7rem !important; }
.fs-9 { font-size: 0.6rem !important; }

/* ── Responsive sidebar ── */
@media (min-width: 992px) {
    .page {
        flex-direction: row;
    }
    .sidebar {
        width: var(--sidebar-width);
        height: 100vh;
        position: sticky;
        top: 0;
    }
    .top-row {
        position: sticky;
        top: 0;
        z-index: 1;
    }
        .top-row.auth {
            justify-content: flex-end;
        }
    .top-row, article {
        padding-left: 2rem !important;
        padding-right: 1.5rem !important;
    }
}

/* ── Validation ── */
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--color-success); }
.invalid { outline: 1px solid var(--color-danger); }
.validation-message { color: var(--color-danger); }

/* ── Error boundary ── */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk...=) no-repeat 1rem/1.8rem, #dc2626;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}
    .blazor-error-boundary::after { content: "An error has occurred."; }

.darker-border-checkbox.form-check-input { border-color: #94a3b8; }

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ── Webhook payload slide panel ── */
.webhook-panel-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgb(15 23 42 / 0.4);
    z-index: 1040;
}
.webhook-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 672px;
    max-width: 96vw;
    background-color: var(--color-surface);
    z-index: 1045;
    display: flex;
    flex-direction: column;
    animation: webhook-panel-slide-in 0.22s ease-out;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
@keyframes webhook-panel-slide-in {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
.webhook-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}
.webhook-payload-pre {
    background-color: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    font-size: 0.72rem;
    line-height: 1.5;
    max-height: 55vh;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-all;
}