:root {
    --app-bg: #f5f7fb;
    --app-surface: #ffffff;
    --app-surface-soft: #f8fafc;
    --app-border: #e5eaf2;
    --app-text: #111827;
    --app-muted: #6b7280;
    --app-sidebar: #0f172a;
    --app-sidebar-soft: #172033;
    --app-accent: #2563eb;
    --app-accent-soft: rgba(37, 99, 235, 0.14);
    --app-success: #16a34a;
    --app-warning: #f59e0b;
    --app-danger: #dc2626;
}

html,
body {
    min-height: 100%;
}

body {
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--app-bg) 100%);
    color: var(--app-text);
}

.app-body {
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 22%),
        linear-gradient(180deg, #f8fbff 0%, var(--app-bg) 100%);
}

.app-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}

.app-sidebar {
    background: linear-gradient(180deg, var(--app-sidebar) 0%, var(--app-sidebar-soft) 100%);
    color: #e5eefc;
    padding: 1.25rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.app-brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.28);
}

.app-brand-name {
    font-weight: 700;
    line-height: 1.1;
}

.app-brand-subtitle {
    color: rgba(229, 238, 252, 0.72);
    font-size: 0.875rem;
}

.app-group-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 0.95rem 1rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.app-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-nav-section {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.app-nav-section-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    border: 0;
    background: transparent;
    color: rgba(229, 238, 252, 0.54);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.15rem 0.15rem 0.2rem;
    text-align: left;
    cursor: pointer;
}

.app-nav-section-toggle:hover {
    color: rgba(255, 255, 255, 0.92);
}

.app-nav-section-icon {
    position: relative;
    width: 0.95rem;
    height: 0.95rem;
    flex: 0 0 0.95rem;
}

.app-nav-section-icon::before,
.app-nav-section-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.5rem;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.app-nav-section-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.app-nav-section.is-open .app-nav-section-icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scaleX(0);
}

.app-nav-section-body {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
}

.app-nav-section.is-open .app-nav-section-body {
    display: flex;
}

.app-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.app-nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    transform: translateX(2px);
}

.app-nav-link.active {
    background: linear-gradient(135deg, var(--app-accent), #1d4ed8);
    color: #fff;
    box-shadow: 0 10px 18px rgba(37, 99, 235, 0.22);
}

.app-main {
    min-width: 0;
}

.app-topbar {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--app-border);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.app-page-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
}

.app-page-subtitle {
    color: var(--app-muted);
    font-size: 0.875rem;
    margin-top: 0.15rem;
}

.app-topbar-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.75rem;
}

.group-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-switcher .form-select {
    min-width: 240px;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: #eef2ff;
    color: #1e3a8a;
    font-weight: 600;
    font-size: 0.875rem;
}

.app-content {
    padding: 1.25rem;
}

.card,
.alert,
.table {
    border-radius: 14px;
}

.card {
    border: 1px solid var(--app-border);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.card.border-0 {
    border: 1px solid var(--app-border) !important;
}

.alert {
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.table {
    overflow: visible;
}

.table thead th {
    background: var(--app-surface-soft);
    color: #334155;
    font-weight: 700;
}

.form-control,
.form-select {
    border-color: #d5dbe6;
    border-radius: 10px;
}

.form-label {
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.35rem;
}

.form-select {
    min-height: calc(1.5em + 0.75rem + 2px);
}

.form-select-sm {
    min-height: calc(1.5em + 0.5rem + 2px);
    font-size: 0.875rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.14);
}

.btn,
button {
    border-radius: 12px;
    font-weight: 600;
}

.btn-primary {
    box-shadow: 0 10px 18px rgba(37, 99, 235, 0.18);
}

.btn,
.btn-sm {
    padding-left: 1rem;
    padding-right: 1rem;
}

.btn-sm {
    border-radius: 10px;
}

.btn-outline-secondary,
.btn-outline-primary,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-success {
    background: rgba(255, 255, 255, 0.72);
}

.btn-primary:hover,
.btn-outline-primary:hover,
.btn-outline-secondary:hover,
.btn-outline-danger:hover,
.btn-outline-warning:hover,
.btn-outline-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 18px rgba(15, 23, 42, 0.08);
}

.gap-0 { gap: 0 !important; }
.gap-1 { gap: .25rem !important; }
.gap-2 { gap: .5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

.rounded-4 { border-radius: 1rem !important; }
.rounded-5 { border-radius: 1.5rem !important; }

.text-bg-light {
    color: #0f172a !important;
    background-color: #eef2ff !important;
}

.text-bg-dark {
    color: #fff !important;
    background-color: #0f172a !important;
}

.bg-body-tertiary {
    background-color: var(--app-surface-soft) !important;
}

.shadow-sm {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06) !important;
}

.shadow {
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.10) !important;
}

.shadow-lg {
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12) !important;
}

.page-link {
    border-radius: 10px;
    margin: 0 0.15rem;
    color: var(--app-accent);
    border-color: #d5dbe6;
}

.page-item.active .page-link {
    background: var(--app-accent);
    border-color: var(--app-accent);
}

.page-item.disabled .page-link {
    color: var(--app-muted);
}

/* Bootstrap 5 gutter compatibility on top of the available local Bootstrap build */
.row.g-0 > * {
    padding-right: 0 !important;
    padding-left: 0 !important;
}

.row.g-1 > * {
    padding-right: 0.125rem !important;
    padding-left: 0.125rem !important;
    margin-top: 0.25rem !important;
}

.row.g-2 > * {
    padding-right: 0.25rem !important;
    padding-left: 0.25rem !important;
    margin-top: 0.5rem !important;
}

.row.g-3 > * {
    padding-right: 0.5rem !important;
    padding-left: 0.5rem !important;
    margin-top: 1rem !important;
}

.row.g-4 > * {
    padding-right: 0.75rem !important;
    padding-left: 0.75rem !important;
    margin-top: 1.5rem !important;
}

.row.g-5 > * {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
    margin-top: 3rem !important;
}

.row.align-items-end > * {
    align-self: flex-end;
}

/* Bootstrap 5-like form-select for the local Bootstrap build */
.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #0f172a;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid #d5dbe6;
    border-radius: 10px;
    appearance: none;
}

.form-select-sm {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    padding-left: 0.6rem;
    font-size: 0.875rem;
    border-radius: 0.5rem;
    background-size: 14px 10px;
}

.form-control[type="date"] {
    min-height: calc(1.5em + 0.75rem + 2px);
}

.form-control::placeholder {
    color: #94a3b8;
}

/* Buttons that appear as plain links in older templates */
.btn-link {
    text-decoration: none;
    font-weight: 600;
}

.app-content .d-flex.justify-content-between > a[href]:not(.btn):not(.page-link),
.app-content .d-flex.justify-content-between > .d-flex > a[href]:not(.btn):not(.page-link) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.55rem 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--app-accent), #1d4ed8);
    color: #fff !important;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.18);
}

.app-content .d-flex.justify-content-between > a[href]:not(.btn):not(.page-link):hover,
.app-content .d-flex.justify-content-between > .d-flex > a[href]:not(.btn):not(.page-link):hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(37, 99, 235, 0.22);
}

.app-content .d-flex.gap-2 > a[href]:not(.btn):not(.page-link),
.app-content .d-flex.gap-2 > button:not(.btn),
.app-content form .d-flex.gap-2 > a[href]:not(.btn):not(.page-link),
.app-content form .d-flex.gap-2 > button:not(.btn) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.55rem 1rem;
    border-radius: 12px;
    border: 1px solid #d5dbe6;
    background: #fff;
    color: #0f172a;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 14px rgba(15, 23, 42, 0.05);
}

.app-content .d-flex.gap-2 > a[href]:not(.btn):not(.page-link):hover,
.app-content .d-flex.gap-2 > button:not(.btn):hover,
.app-content form .d-flex.gap-2 > a[href]:not(.btn):not(.page-link):hover,
.app-content form .d-flex.gap-2 > button:not(.btn):hover {
    border-color: #b7c4e0;
    box-shadow: 0 12px 18px rgba(15, 23, 42, 0.08);
}

.bg-body-tertiary {
    background-color: var(--app-surface-soft) !important;
}

.auth-body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.16), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #eef2f7 100%);
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(360px, 540px);
    align-items: center;
    gap: 0;
    padding: 1.5rem;
}

.auth-brand-panel {
    color: #0f172a;
    padding: 2rem;
    max-width: 640px;
}

.auth-brand-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.4rem 0.8rem;
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.auth-brand-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 1rem;
    max-width: 12ch;
}

.auth-brand-copy {
    max-width: 44ch;
    font-size: 1.05rem;
    color: var(--app-muted);
    margin-bottom: 1.5rem;
}

.auth-brand-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.auth-brand-metrics .metric {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(37, 99, 235, 0.12);
    backdrop-filter: blur(12px);
    border-radius: 14px;
    padding: 1rem;
}

.auth-brand-metrics .metric span {
    display: block;
    font-size: 0.75rem;
    color: var(--app-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.45rem;
}

.auth-brand-metrics .metric strong {
    display: block;
    font-size: 0.95rem;
    color: var(--app-text);
}

.auth-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(229, 234, 242, 0.95);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.10);
    border-radius: 18px;
    padding: 1.5rem;
    margin-left: auto;
    width: 100%;
    max-width: 540px;
}

.auth-card-header {
    margin-bottom: 1rem;
}

.auth-card-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--app-text);
}

.auth-card-subtitle {
    color: var(--app-muted);
}

.auth-form-wrap {
    background: rgba(248, 250, 252, 0.92);
    border: 1px solid rgba(229, 234, 242, 0.95);
    border-radius: 16px;
    padding: 1.25rem;
}

@media (max-width: 991.98px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .app-sidebar {
        position: relative;
        height: auto;
    }

    .app-topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .app-topbar-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .group-switcher {
        width: 100%;
        flex-wrap: wrap;
    }

    .group-switcher .form-select {
        min-width: 100%;
    }

    .auth-shell {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .auth-brand-panel {
        padding: 0.5rem 0 1rem;
    }

    .auth-brand-metrics {
        grid-template-columns: 1fr;
    }

    .auth-card {
        margin-left: 0;
        max-width: none;
    }
}

@media (max-width: 575.98px) {
    .app-sidebar {
        padding: 1rem;
    }

    .app-topbar,
    .app-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .app-page-title {
        font-size: 1rem;
    }

    .app-nav-link {
        padding: 0.75rem 0.8rem;
    }

    .app-nav-section-toggle {
        font-size: 0.74rem;
    }

    .table-responsive {
        border-radius: 14px;
    }

    .table td,
    .table th {
        white-space: nowrap;
    }

    .btn,
    .btn-sm {
        width: auto;
    }

    .btn-group,
    .d-grid {
        width: 100%;
    }
}