:root {
    --brand-primary: #4f46e5;
    --brand-secondary: #64748b;
    --app-bg: #f6f7fb;
    --app-surface: #ffffff;
    --app-border: #e7eaf0;
    --app-muted: #667085;
    --app-heading: #101828;
    --sidebar-bg: #101828;
    --sidebar-text: #d0d5dd;
    --sidebar-width: 252px;
    --topbar-height: 72px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .08);
    --shadow-md: 0 12px 32px rgba(16, 24, 40, .10);
}

[data-bs-theme="dark"] {
    --app-bg: #0c111d;
    --app-surface: #161b26;
    --app-border: #293056;
    --app-muted: #98a2b3;
    --app-heading: #f2f4f7;
    --sidebar-bg: #080b12;
    --sidebar-text: #d0d5dd;
}

* { scrollbar-width: thin; scrollbar-color: #98a2b3 transparent; }
html, body { min-height: 100%; }
body {
    margin: 0;
    background: var(--app-bg);
    color: var(--bs-body-color);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: .9375rem;
    -webkit-font-smoothing: antialiased;
}
a { text-underline-offset: 3px; }
.text-brand { color: var(--brand-primary) !important; }
.app-shell { min-height: 100vh; }
.app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    flex-shrink: 0;
    min-height: 100vh;
    padding: 22px 16px 18px;
    color: var(--sidebar-text);
    background: var(--sidebar-bg);
    border-right: 1px solid rgba(255,255,255,.06);
    transition: transform .22s ease;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 0 8px;
    color: #fff;
    text-decoration: none;
}
.sidebar-brand:hover { color: #fff; }
.sidebar-brand img { max-width: 176px; max-height: 38px; object-fit: contain; object-position: left center; }
.brand-mark {
    display: grid;
    place-items: center;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-primary), color-mix(in srgb, var(--brand-primary) 62%, #06b6d4));
    color: #fff;
    font-size: 1.05rem;
    box-shadow: 0 8px 22px color-mix(in srgb, var(--brand-primary) 28%, transparent);
}
.brand-copy { min-width: 0; }
.brand-name { display: block; overflow: hidden; font-size: .98rem; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.brand-label { display: block; margin-top: 1px; color: #98a2b3; font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; }
.sidebar-section-label {
    margin: 28px 10px 9px;
    color: #667085;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.app-sidebar .nav { gap: 4px; }
.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 12px;
    color: var(--sidebar-text);
    border-radius: 10px;
    font-weight: 550;
    transition: background .16s ease, color .16s ease, transform .16s ease;
}
.app-sidebar .nav-link i { width: 22px; margin-right: 10px; font-size: 1.06rem; text-align: center; }
.app-sidebar .nav-link:hover { color: #fff; background: rgba(255,255,255,.07); transform: translateX(2px); }
.app-sidebar .nav-link.active { color: #fff; background: var(--brand-primary); box-shadow: 0 8px 22px color-mix(in srgb, var(--brand-primary) 24%, transparent); }
.sidebar-footer { margin-top: auto; padding-top: 18px; }
.sidebar-help { padding: 13px; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; background: rgba(255,255,255,.035); }
.sidebar-help strong { display: block; color: #fff; font-size: .82rem; }
.sidebar-help span { display: block; margin-top: 3px; color: #98a2b3; font-size: .73rem; line-height: 1.45; }
.app-content { min-width: 0; min-height: 100vh; margin-left: var(--sidebar-width); }
.app-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    display: flex;
    align-items: center;
    min-height: var(--topbar-height);
    padding: 0 28px;
    background: color-mix(in srgb, var(--app-surface) 94%, transparent);
    border-bottom: 1px solid var(--app-border);
    backdrop-filter: blur(14px);
}
.topbar-title { margin: 0; color: var(--app-heading); font-size: 1.05rem; font-weight: 700; }
.topbar-context { display: block; margin-top: 2px; color: var(--app-muted); font-size: .75rem; font-weight: 500; }
.topbar-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.icon-button {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    color: var(--app-muted);
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 10px;
}
.icon-button:hover { color: var(--brand-primary); border-color: color-mix(in srgb, var(--brand-primary) 35%, var(--app-border)); }
.user-menu-button { display: flex; align-items: center; gap: 9px; padding: 5px 8px 5px 5px; border: 1px solid transparent; border-radius: 12px; background: transparent; color: inherit; }
.user-menu-button:hover { background: var(--bs-tertiary-bg); }
.user-avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: color-mix(in srgb, var(--brand-primary) 14%, var(--app-surface)); color: var(--brand-primary); font-weight: 750; }
.user-copy { max-width: 170px; text-align: left; }
.user-copy strong, .user-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-copy strong { color: var(--app-heading); font-size: .82rem; }
.user-copy small { color: var(--app-muted); font-size: .7rem; }
.app-main { width: 100%; max-width: 1540px; margin: 0 auto; padding: 28px; }
.connection-result { margin: 16px 18px 0; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 24px; }
.page-heading h2 { margin: 0; color: var(--app-heading); font-size: 1.55rem; font-weight: 750; letter-spacing: -.025em; }
.page-heading p { max-width: 720px; margin: 7px 0 0; color: var(--app-muted); }
.surface-card, .card { border: 1px solid var(--app-border) !important; border-radius: var(--radius-md); background: var(--app-surface); box-shadow: var(--shadow-sm); }
.card-header { padding: 18px 20px; background: transparent; border-color: var(--app-border); }
.card-body { padding: 20px; }
.section-title { margin: 0; color: var(--app-heading); font-size: .96rem; font-weight: 700; }
.section-description { margin: 5px 0 0; color: var(--app-muted); font-size: .82rem; }
.metric-card { position: relative; height: 100%; overflow: hidden; }
.metric-card::after { position: absolute; right: -28px; bottom: -42px; width: 112px; height: 112px; border-radius: 50%; background: color-mix(in srgb, var(--metric-color, var(--brand-primary)) 8%, transparent); content: ""; }
.metric-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: color-mix(in srgb, var(--metric-color, var(--brand-primary)) 12%, var(--app-surface)); color: var(--metric-color, var(--brand-primary)); font-size: 1.08rem; }
.metric-label { margin-top: 18px; color: var(--app-muted); font-size: .76rem; font-weight: 650; letter-spacing: .025em; text-transform: uppercase; }
.metric-value { margin-top: 3px; color: var(--app-heading); font-size: 2rem; font-weight: 760; letter-spacing: -.045em; line-height: 1.1; }
.metric-note { margin-top: 8px; color: var(--app-muted); font-size: .76rem; }
.btn { border-radius: 9px; font-weight: 650; }
.btn-primary { background: var(--brand-primary); border-color: var(--brand-primary); box-shadow: 0 4px 12px color-mix(in srgb, var(--brand-primary) 18%, transparent); }
.btn-primary:hover, .btn-primary:focus { background: color-mix(in srgb, var(--brand-primary) 90%, #000); border-color: color-mix(in srgb, var(--brand-primary) 90%, #000); }
.btn-outline-secondary { border-color: var(--app-border); color: var(--app-muted); }
.form-label { margin-bottom: 7px; color: var(--app-heading); font-size: .82rem; font-weight: 650; }
.form-control, .form-select, .input-group-text { min-height: 43px; border-color: var(--app-border); border-radius: 9px; }
.form-control:focus, .form-select:focus { border-color: var(--brand-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-primary) 12%, transparent); }
.form-text { color: var(--app-muted); font-size: .75rem; }
.table { --bs-table-bg: transparent; --bs-table-hover-bg: color-mix(in srgb, var(--brand-primary) 3%, var(--app-surface)); }
.table > :not(caption) > * > * { padding: 14px 18px; border-bottom-color: var(--app-border); }
.table thead th { color: var(--app-muted); background: color-mix(in srgb, var(--app-bg) 66%, var(--app-surface)); font-size: .7rem; font-weight: 750; letter-spacing: .055em; text-transform: uppercase; white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.status-badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; text-transform: capitalize; }
.status-badge::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.status-success { color: #067647; background: #ecfdf3; }
.status-warning { color: #b54708; background: #fffaeb; }
.status-neutral { color: #475467; background: #f2f4f7; }
[data-bs-theme="dark"] .status-success { color: #6ce9a6; background: rgba(3, 84, 63, .45); }
[data-bs-theme="dark"] .status-warning { color: #fec84b; background: rgba(147, 55, 13, .35); }
[data-bs-theme="dark"] .status-neutral { color: #d0d5dd; background: #293056; }
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select,
[data-bs-theme="dark"] .input-group-text { background-color: #111722; border-color: #344054; color: #f2f4f7; }
[data-bs-theme="dark"] .form-control::placeholder { color: #667085; }
[data-bs-theme="dark"] .btn-outline-secondary { color: #d0d5dd; border-color: #475467; }
[data-bs-theme="dark"] .btn-outline-secondary:hover { color: #fff; background: #344054; border-color: #667085; }
.empty-state { padding: 54px 24px !important; text-align: center; }
.empty-state i { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 13px; border-radius: 13px; background: var(--bs-tertiary-bg); color: var(--app-muted); font-size: 1.25rem; }
.empty-state strong { display: block; color: var(--app-heading); }
.empty-state span { display: block; margin-top: 4px; color: var(--app-muted); font-size: .82rem; }
.alert { border: 0; border-radius: 12px; }
.dropdown-menu { padding: 7px; border-color: var(--app-border); border-radius: 12px; box-shadow: var(--shadow-md); }
.dropdown-item { border-radius: 8px; }
.impersonation-banner { position: relative; z-index: 1050; padding: 8px 16px; background: #b54708; color: #fff; text-align: center; font-size: .82rem; }
.mobile-overlay { display: none; }
.auth-page { display: grid; min-height: 100vh; grid-template-columns: minmax(380px, 46%) 1fr; background: var(--app-surface); }
.auth-panel { display: flex; align-items: center; justify-content: center; padding: 48px clamp(24px, 6vw, 88px); }
.auth-form { width: 100%; max-width: 420px; }
.auth-logo { display: inline-flex; align-items: center; gap: 11px; margin-bottom: 46px; color: var(--app-heading); font-size: 1rem; font-weight: 750; text-decoration: none; }
.auth-logo img { max-width: 190px; max-height: 45px; }
.auth-title { margin: 0; color: var(--app-heading); font-size: 2rem; font-weight: 760; letter-spacing: -.04em; }
.auth-subtitle { margin: 9px 0 30px; color: var(--app-muted); }
.password-wrap { position: relative; }
.password-wrap .form-control { padding-right: 48px; }
.password-toggle { position: absolute; top: 50%; right: 9px; display: grid; place-items: center; width: 34px; height: 34px; padding: 0; transform: translateY(-50%); color: var(--app-muted); background: transparent; border: 0; }
.auth-visual { position: relative; display: flex; align-items: flex-end; min-height: 100vh; padding: 58px; overflow: hidden; color: #fff; background: #101828; }
.auth-visual::before { position: absolute; inset: 0; background: radial-gradient(circle at 74% 18%, color-mix(in srgb, var(--brand-primary) 72%, #06b6d4) 0, transparent 34%), radial-gradient(circle at 18% 76%, color-mix(in srgb, var(--brand-primary) 38%, transparent) 0, transparent 30%); content: ""; }
.auth-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000, transparent 86%); }
.auth-visual-content { position: relative; z-index: 1; max-width: 620px; }
.auth-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; padding: 7px 11px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.08); font-size: .75rem; font-weight: 700; backdrop-filter: blur(10px); }
.auth-visual h2 { margin: 0; font-size: clamp(2rem, 3.4vw, 3.5rem); font-weight: 750; letter-spacing: -.055em; line-height: 1.05; }
.auth-visual p { max-width: 540px; margin: 19px 0 0; color: #d0d5dd; font-size: 1rem; line-height: 1.65; }
.auth-points { display: flex; flex-wrap: wrap; gap: 11px 22px; margin-top: 30px; color: #e4e7ec; font-size: .82rem; }
.auth-points span { display: inline-flex; align-items: center; gap: 7px; }
.error-page { display: grid; min-height: 100vh; place-items: center; padding: 32px; background: var(--app-bg); }
.error-card { width: 100%; max-width: 620px; padding: 46px; text-align: center; }
.error-code { color: var(--brand-primary); font-size: 4.8rem; font-weight: 800; letter-spacing: -.08em; line-height: 1; }
.error-card h1 { margin: 15px 0 8px; color: var(--app-heading); font-size: 1.45rem; }
.error-card p { color: var(--app-muted); }
.error-card pre { max-height: 300px; margin-top: 22px; padding: 15px; overflow: auto; border-radius: 10px; background: #101828; color: #e4e7ec; font-size: .72rem; text-align: left; }

@media (max-width: 991.98px) {
    .app-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-md); }
    body.sidebar-open .app-sidebar { transform: translateX(0); }
    .app-content { margin-left: 0; }
    .mobile-overlay { position: fixed; inset: 0; z-index: 1035; background: rgba(16,24,40,.54); backdrop-filter: blur(2px); }
    body.sidebar-open .mobile-overlay { display: block; }
    .app-topbar { padding: 0 18px; }
    .app-main { padding: 22px 18px; }
    .auth-page { grid-template-columns: 1fr; }
    .auth-panel { min-height: 100vh; }
    .auth-visual { display: none; }
}

@media (max-width: 575.98px) {
    .app-topbar { min-height: 64px; }
    .topbar-context, .user-copy { display: none; }
    .page-heading { align-items: stretch; flex-direction: column; }
    .page-heading .btn { width: 100%; }
    .app-main { padding: 20px 14px; }
    .card-body { padding: 17px; }
    .table > :not(caption) > * > * { padding: 12px 14px; }
    .auth-panel { padding: 28px 22px; }
    .auth-logo { margin-bottom: 36px; }
    .auth-title { font-size: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}