/* ═══════════════════════════════════════════════════════════
   JPS ERP  —  Global Design System
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
    /* Brand / Primary */
    --primary:              #4f46e5;
    --primary-hover:        #4338ca;
    --primary-light:        #eef2ff;
    --primary-rgb:          79, 70, 229;

    /* Semantic */
    --success:              #16a34a;
    --success-bg:           #f0fdf4;
    --danger:               #dc2626;
    --danger-bg:            #fef2f2;
    --warning:              #d97706;
    --warning-bg:           #fffbeb;
    --info:                 #0891b2;
    --info-bg:              #f0f9ff;

    /* Sidebar */
    --sidebar-width:              260px;
    --sidebar-bg:                 #1e2235;
    --sidebar-text:               #94a3b8;
    --sidebar-text-hover:         #f1f5f9;
    --sidebar-text-muted:         #4e596e;
    --sidebar-hover:              rgba(255,255,255,0.06);
    --sidebar-active:             var(--primary);
    --sidebar-active-text:        #ffffff;
    --sidebar-border:             rgba(255,255,255,0.07);

    /* Shell */
    --topbar-height:        64px;
    --topbar-bg:            #ffffff;
    --body-bg:              #f0f4f8;
    --card-bg:              #ffffff;
    --hover-bg:             #f8fafc;

    /* Text */
    --text-primary:         #1a202c;
    --text-secondary:       #64748b;
    --text-muted:           #94a3b8;

    /* Borders */
    --border-color:         #e2e8f0;
    --radius-sm:            0.375rem;
    --radius:               0.5rem;
    --radius-lg:            0.75rem;
    --radius-xl:            1rem;

    /* Shadows */
    --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
    --shadow:     0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-md:  0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-lg:  0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

    /* Transitions */
    --t-fast:    0.15s ease;
    --t-base:    0.2s ease;
}

/* ── Base ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, 'Inter', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app { height: 100%; }

a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
h1:focus { outline: none; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Bootstrap Overrides ────────────────────────────────────── */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--t-fast);
}

.btn-primary {
    --bs-btn-bg:                var(--primary);
    --bs-btn-border-color:      var(--primary);
    --bs-btn-hover-bg:          var(--primary-hover);
    --bs-btn-hover-border-color: var(--primary-hover);
    --bs-btn-active-bg:         var(--primary-hover);
    --bs-btn-focus-shadow-rgb:  var(--primary-rgb);
}

.btn-outline-primary {
    --bs-btn-color:         var(--primary);
    --bs-btn-border-color:  var(--primary);
    --bs-btn-hover-bg:      var(--primary);
}

.btn:focus-visible,
.btn:active:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
    outline: none;
}

/* ── Form Controls ──────────────────────────────────────────── */
.form-control,
.form-select {
    border-color: var(--border-color);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: #fff;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-control::placeholder { color: var(--text-muted); }

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.form-text { font-size: 0.75rem; color: var(--text-muted); }

.input-group-text {
    background: #f8fafc;
    border-color: var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    background: var(--card-bg);
    overflow: hidden;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.card-body { padding: 1.25rem; }

.card-footer {
    background: var(--hover-bg);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ── Tables ─────────────────────────────────────────────────── */
.table {
    font-size: 0.875rem;
    --bs-table-hover-bg: #f8fafc;
    --bs-table-border-color: var(--border-color);
    margin-bottom: 0;
}

.table > thead th {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
    white-space: nowrap;
    background: #f8fafc;
    border-bottom: 2px solid var(--border-color) !important;
}

.table > tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table > tbody tr:last-child td { border-bottom: none; }

.table-dark thead th {
    background: var(--sidebar-bg) !important;
    color: #e2e8f0;
    border-color: #2d3555 !important;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
    font-weight: 500;
    font-size: 0.7rem;
    padding: 0.3em 0.7em;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

.badge.bg-success { background-color: #dcfce7 !important; color: #15803d !important; }
.badge.bg-danger  { background-color: #fee2e2 !important; color: #b91c1c !important; }
.badge.bg-warning { background-color: #fef9c3 !important; color: #92400e !important; }
.badge.bg-info    { background-color: #e0f2fe !important; color: #075985 !important; }
.badge.bg-secondary { background-color: #f1f5f9 !important; color: #475569 !important; }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius);
    font-size: 0.875rem;
    border: 1px solid transparent;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.alert-danger   { background: var(--danger-bg);  color: #991b1b; border-left: 3px solid var(--danger); border-color: #fecaca; }
.alert-info     { background: var(--info-bg);    color: #075985; border-left: 3px solid var(--info);   border-color: #bae6fd; }
.alert-success  { background: var(--success-bg); color: #166534; border-left: 3px solid var(--success); border-color: #bbf7d0; }
.alert-warning  { background: var(--warning-bg); color: #78350f; border-left: 3px solid var(--warning); border-color: #fde68a; }

/* ── Validation ─────────────────────────────────────────────── */
.validation-message {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.3rem;
    display: block;
}

.valid.modified:not([type=checkbox]) { border-color: var(--success) !important; }
.invalid { border-color: var(--danger) !important; }

/* ── Dropdown ───────────────────────────────────────────────── */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    font-size: 0.875rem;
    padding: 0.375rem;
    min-width: 200px;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    transition: background var(--t-fast);
}

.dropdown-item:hover  { background: var(--hover-bg); color: var(--text-primary); }
.dropdown-item.text-danger:hover { background: var(--danger-bg); }
.dropdown-divider { margin: 0.25rem 0; border-color: var(--border-color); }
.dropdown-header { font-size: 0.75rem; color: var(--text-muted); padding: 0.375rem 0.75rem; }

/* ── Spinner (page loading) ─────────────────────────────────── */
.page-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    gap: 0.75rem;
}

/* ── Auth Page ──────────────────────────────────────────────── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1d2e 0%, #252840 45%, #1e2235 100%);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79,70,229,0.15) 0%, transparent 60%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.auth-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 60%);
    bottom: -100px;
    left: -100px;
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.auth-card-header {
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    background: linear-gradient(180deg, #f8fafc 0%, white 100%);
    border-bottom: 1px solid var(--border-color);
}

.auth-logo {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.625rem;
    color: white;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.35);
}

.auth-card-header h1 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.375rem;
}

.auth-card-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.auth-card-body { padding: 1.75rem 2rem 2rem; }

.auth-footer-text {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer-text a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer-text a:hover { text-decoration: underline; }

.auth-submit-btn {
    height: 2.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    letter-spacing: 0.01em;
}

/* ── Page Header ────────────────────────────────────────────── */
.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.25rem;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ── Dashboard ──────────────────────────────────────────────── */
.stat-card .card-body {
    display: flex;
    align-items: center;
    gap: 1.125rem;
    padding: 1.375rem 1.25rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon-blue   { background: #eff6ff; color: #2563eb; }
.stat-icon-green  { background: #f0fdf4; color: #16a34a; }
.stat-icon-purple { background: #f5f3ff; color: #7c3aed; }
.stat-icon-orange { background: #fff7ed; color: #ea580c; }
.stat-icon-cyan   { background: #ecfeff; color: #0e7490; }

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ── Quick Action Buttons ───────────────────────────────────── */
.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1.25rem 0.75rem;
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--t-fast);
    width: 100%;
    cursor: pointer;
}

.quick-action-btn i {
    font-size: 1.5rem;
    color: var(--primary);
}

.quick-action-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quick-action-btn:hover i { color: var(--primary); }

/* ── Blazor Error Boundary ──────────────────────────────────── */
.blazor-error-boundary {
    background: var(--danger-bg);
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    color: var(--danger);
    font-size: 0.875rem;
}

.blazor-error-boundary::after { content: "An error has occurred." }


/* ── Sidebar Header / Brand ──────────────────────────────────── */
.sidebar-header {
    padding: 1.25rem 1rem 1.125rem;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    user-select: none;
}

.brand-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.4);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    overflow: hidden;
}

.brand-name {
    font-weight: 700;
    font-size: 0.9375rem;
    color: white;
    letter-spacing: 0.02em;
}

.brand-sub {
    font-size: 0.6875rem;
    color: var(--sidebar-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Nav scroll area ─────────────────────────────────────────── */
.sidebar-nav-wrap {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.875rem 0.75rem;
    scrollbar-width: thin;
    scrollbar-color: var(--sidebar-border) transparent;
}

    .sidebar-nav-wrap::-webkit-scrollbar {
        width: 3px;
    }

    .sidebar-nav-wrap::-webkit-scrollbar-track {
        background: transparent;
    }

    .sidebar-nav-wrap::-webkit-scrollbar-thumb {
        background: var(--sidebar-border);
        border-radius: 10px;
    }

/* ── Nav links ───────────────────────────────────────────────── */
.snav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: 0.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    margin-bottom: 0.125rem;
    white-space: nowrap;
    overflow: hidden;
}

    .snav-link i {
        font-size: 1rem;
        flex-shrink: 0;
        width: 1.25rem;
        text-align: center;
        opacity: 0.8;
        transition: opacity var(--t-fast);
    }

    .snav-link:hover {
        background: var(--sidebar-hover);
        color: var(--sidebar-text-hover);
    }

        .snav-link:hover i {
            opacity: 1;
        }

    .snav-link.active {
        background: var(--sidebar-active);
        color: var(--sidebar-active-text);
        font-weight: 600;
        box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
    }

        .snav-link.active i {
            opacity: 1;
        }

/* ── Child items ────────────────────────────────────────────── */
.snav-link-child {
    padding-left: 3rem;
    font-size: 0.8125rem;
}

    .snav-link-child .snav-child-icon {
        font-size: 0.375rem;
        width: 0.625rem;
        opacity: 0.5;
    }

    .snav-link-child:hover .snav-child-icon,
    .snav-link-child.active .snav-child-icon {
        opacity: 1;
    }

/* ── Collapsible group ──────────────────────────────────────── */
.snav-group {
    margin-bottom: 0.125rem;
}

.snav-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.875rem;
    border-radius: 0.5rem;
    color: var(--sidebar-text);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background var(--t-fast), color var(--t-fast);
    user-select: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    margin-bottom: 0.125rem;
}

    .snav-group-header:hover {
        background: var(--sidebar-hover);
        color: var(--sidebar-text-hover);
    }

    .snav-group-header.expanded {
        color: var(--sidebar-text-hover);
    }

.snav-group-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

    .snav-group-label i {
        font-size: 1rem;
        width: 1.25rem;
        text-align: center;
        flex-shrink: 0;
        opacity: 0.8;
    }

.snav-chevron {
    font-size: 0.6875rem;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

.snav-group-header.expanded .snav-chevron {
    transform: rotate(90deg);
    opacity: 1;
}

/* ── Animated children ──────────────────────────────────────── */
.snav-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

    .snav-children.open {
        max-height: 800px;
    }

/* ── Loading ────────────────────────────────────────────────── */
.snav-loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0.875rem;
    color: var(--sidebar-text-muted);
    font-size: 0.8125rem;
}

/* ── Divider ────────────────────────────────────────────────── */
.snav-divider {
    height: 1px;
    background: var(--sidebar-border);
    margin: 0.75rem 0;
}

/* ── Section label ──────────────────────────────────────────── */
.snav-section-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sidebar-text-muted);
    padding: 1rem 0.875rem 0.375rem;
}

/* ── Footer ─────────────────────────────────────────────────── */
.sidebar-footer {
    padding: 0.875rem 1rem;
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-footer-text {
    font-size: 0.6875rem;
    color: var(--sidebar-text-muted);
    text-align: center;
}


/* ── App Shell ──────────────────────────────────────────────── */
.app-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background: var(--body-bg);
}

/* ── Sidebar ────────────────────────────────────────────────── */
.app-sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    flex-shrink: 0;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 100;
    transition: transform 0.3s ease;
}

/* ── Main area ──────────────────────────────────────────────── */
.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── Top Bar ────────────────────────────────────────────────── */
.app-topbar {
    height: var(--topbar-height);
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    flex-shrink: 0;
    z-index: 50;
    box-shadow: var(--shadow-xs);
}

.topbar-start,
.topbar-end {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-school-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.topbar-icon-btn {
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast);
    padding: 0;
    line-height: 1;
}

    .topbar-icon-btn:hover {
        background: var(--hover-bg);
        color: var(--text-primary);
    }

/* ── User Dropdown Button ───────────────────────────────────── */
.topbar-user-btn {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 0.375rem 0.75rem 0.375rem 0.375rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
    color: var(--text-primary);
}

    .topbar-user-btn:hover {
        background: var(--hover-bg);
        border-color: #c4cdd6;
        box-shadow: var(--shadow-xs);
    }

    /* hide the default BS caret */
    .topbar-user-btn::after {
        display: none !important;
    }

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    flex-shrink: 0;
}

.user-info {
    line-height: 1.2;
    text-align: left;
}

.user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.user-chevron {
    font-size: 0.6875rem;
    color: var(--text-muted);
    transition: transform var(--t-fast);
}

.dropdown.show .user-chevron {
    transform: rotate(180deg);
}

/* ── Content ────────────────────────────────────────────────── */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.75rem;
    background: var(--body-bg);
}

/* ── Mobile ─────────────────────────────────────────────────── */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 20, 40, 0.55);
    z-index: 99;
    backdrop-filter: blur(2px);
}

@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 200;
        transform: translateX(-100%);
        box-shadow: none;
    }

    .app-shell.mobile-menu-open .app-sidebar {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .app-shell.mobile-menu-open .sidebar-backdrop {
        display: block;
    }

    .app-content {
        padding: 1rem;
    }
}

/* ── Blazor Error UI ────────────────────────────────────────── */
#blazor-error-ui {
    background: #fffbeb;
    border-top: 2px solid #fbbf24;
    bottom: 0;
    left: 0;
    padding: 0.75rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    color: #78350f;
    font-size: 0.875rem;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        background: transparent;
        border: none;
        color: #92400e;
        font-size: 1rem;
        opacity: 0.7;
        padding: 0;
    }

        #blazor-error-ui .dismiss:hover {
            opacity: 1;
        }