:root {
    --admin-bg: #f5f6f8;
    --admin-surface: #ffffff;
    --admin-surface-2: #f1f3f5;
    --admin-border: #e4e7eb;
    --admin-border-light: #cdd2d8;
    --admin-text: #0f172a;
    --admin-text-muted: #475569;
    --admin-text-faint: #94a3b8;
    --admin-accent: #ff8c1a;
    --admin-accent-hover: #e67e00;
    --admin-accent-glow: rgba(255, 140, 26, 0.12);
    --admin-success: #16a34a;
    --admin-warning: #ca8a04;
    --admin-danger: #dc2626;
    --admin-info: #2563eb;
    --admin-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    --admin-shadow-dialog: 0 16px 48px rgba(15, 23, 42, 0.15);
    --admin-shadow-accent: 0 4px 16px rgba(255, 140, 26, 0.35);
    --admin-error-bg: rgba(220, 38, 38, 0.08);
    --admin-error-border: rgba(220, 38, 38, 0.3);
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
}

.admin-root.dark,
:root.dark .admin-root {
    --admin-bg: #0f172a;
    --admin-surface: #1e293b;
    --admin-surface-2: #273449;
    --admin-border: #334155;
    --admin-border-light: #475569;
    --admin-text: #f1f5f9;
    --admin-text-muted: #cbd5e1;
    --admin-text-faint: #94a3b8;
    --admin-accent: #ff8c1a;
    --admin-accent-hover: #e67e00;
    --admin-accent-glow: rgba(255, 140, 26, 0.18);
    --admin-success: #22c55e;
    --admin-warning: #eab308;
    --admin-danger: #ef4444;
    --admin-info: #3b82f6;
    --admin-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    --admin-shadow-dialog: 0 16px 48px rgba(0, 0, 0, 0.6);
    --admin-shadow-accent: 0 4px 16px rgba(255, 140, 26, 0.35);
    --admin-error-bg: rgba(239, 68, 68, 0.1);
    --admin-error-border: rgba(239, 68, 68, 0.3);
}

.admin-root {
    min-height: 100vh;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-family: 'Inter', 'Roboto', sans-serif;
}

.admin-loading {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
}

/* ── Sidebar ──────────────────────────────────── */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width 0.25s ease;
    overflow: hidden;
}

.admin-sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px;
    border-bottom: 1px solid var(--admin-border);
    min-height: 72px;
    flex-shrink: 0;
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    background: var(--admin-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 16px;
    color: #000;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-size: 16px;
    font-weight: 800;
    color: var(--admin-text);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand-text span {
    color: var(--admin-accent);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--admin-border);
    border-radius: 4px;
}

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

.sidebar-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--admin-text-muted);
    padding: 16px 14px 6px;
    white-space: nowrap;
    overflow: hidden;
}

.admin-sidebar.collapsed .sidebar-label {
    display: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    overflow: hidden;
}

.nav-item:hover {
    color: var(--admin-text);
    background: var(--admin-surface-2);
}

.nav-item.active {
    color: var(--admin-accent);
    background: var(--admin-accent-glow);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--admin-accent);
    border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.nav-item .nav-text {
    overflow: hidden;
}

/* ── Nav Group (collapsible, e.g. Import) ────── */
.nav-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-group .nav-group-toggle {
    user-select: none;
    justify-content: flex-start;
}

.nav-group .nav-group-toggle .nav-text {
    flex: 1;
}

.nav-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text-muted);
    transition: transform 0.2s ease;
    margin-left: auto;
}

.nav-chevron.open {
    transform: rotate(180deg);
}

.nav-group-toggle.active {
    color: var(--admin-accent);
    background: var(--admin-accent-glow);
}

.nav-sub {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 4px 0 4px 14px;
    margin-left: 22px;
    border-left: 1px solid var(--admin-border);
}

.nav-sub-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px 8px 12px;
    border-radius: 6px;
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    transition: all 0.15s ease;
    position: relative;
}

.nav-sub-item:hover {
    color: var(--admin-text);
    background: var(--admin-surface-2);
}

.nav-sub-item.active {
    color: var(--admin-accent);
    background: var(--admin-accent-glow);
}

.nav-sub-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
    opacity: 0.55;
}

.nav-sub-item.active .nav-sub-dot {
    opacity: 1;
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--admin-border);
    flex-shrink: 0;
}

/* ── Top Bar ──────────────────────────────────── */
.admin-topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: 64px;
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    z-index: 99;
    transition: left 0.25s ease;
}

.admin-sidebar.collapsed ~ .admin-topbar,
.admin-topbar.sidebar-collapsed {
    left: var(--sidebar-collapsed-width);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-toggle {
    background: none;
    border: none;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.topbar-toggle:hover {
    color: var(--admin-text);
    background: var(--admin-surface-2);
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--admin-text);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--admin-surface-2);
}

.topbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--admin-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: #000;
}

.topbar-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--admin-text);
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--admin-text);
}

.topbar-logout {
    background: none;
    border: none;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.topbar-logout:hover {
    color: var(--admin-danger);
    background: var(--admin-error-bg);
}

/* ── Main Content ─────────────────────────────── */
.admin-main {
    margin-left: var(--sidebar-width);
    margin-top: 64px;
    padding: 28px;
    min-height: calc(100vh - 64px);
    transition: margin-left 0.25s ease;
}

.admin-sidebar.collapsed ~ .admin-main,
.admin-main.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

/* ── Page Header ──────────────────────────────── */
.page-header {
    margin-bottom: 28px;
}

.page-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--admin-text);
    margin: 0;
}

.page-subtitle {
    font-size: 14px;
    color: var(--admin-text-muted);
    margin: 4px 0 0;
}

/* ── Stat Cards ───────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--admin-border-light);
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow);
}

.stat-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
}

.stat-icon-wrap.amber {
    background: rgba(255, 140, 26, 0.12);
    color: var(--admin-accent);
}

.stat-icon-wrap.blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--admin-info);
}

.stat-icon-wrap.green {
    background: rgba(34, 197, 94, 0.12);
    color: var(--admin-success);
}

.stat-icon-wrap.red {
    background: rgba(239, 68, 68, 0.12);
    color: var(--admin-danger);
}

.stat-icon-wrap.purple {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--admin-text);
    line-height: 1.1;
}

.stat-label {
    font-size: 12px;
    color: var(--admin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    margin-top: 2px;
}

.stat-trend {
    font-size: 12px;
    font-weight: 600;
    margin-top: 4px;
}

.stat-trend.up {
    color: var(--admin-success);
}

.stat-trend.down {
    color: var(--admin-danger);
}

/* ── Content Cards ────────────────────────────── */

/* Sticky bulk action bar (e.g. delete selected) */
.admin-bulk-action-bar {
    position: sticky;
    top: 64px;
    z-index: 10;
    margin-bottom: 20px;
    padding: 12px 20px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.admin-bulk-action-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    overflow: hidden;
}

.admin-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--admin-text);
    margin: 0;
}

.admin-card-body {
    padding: 0;
}

/* ── Table Overrides ──────────────────────────── */
.admin-table .mud-table {
    background: transparent !important;
    color: var(--admin-text) !important;
}

.admin-table .mud-table-container {
    background: transparent !important;
}

.admin-table .mud-thead {
    background: transparent !important;
}

.admin-table .mud-th {
    color: var(--admin-text) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--admin-border) !important;
    padding: 12px 16px !important;
}

.admin-table .mud-td {
    color: var(--admin-text) !important;
    border-bottom: 1px solid var(--admin-border) !important;
    padding: 12px 16px !important;
    font-size: 14px;
}

.admin-table .mud-td * {
    color: var(--admin-text) !important;
}

.admin-table .mud-table-row:hover .mud-td {
    background: var(--admin-surface-2);
}

.admin-table .mud-table-empty-text {
    color: var(--admin-text-faint) !important;
}

.admin-table .mud-table-pager {
    color: var(--admin-text) !important;
    border-top: 1px solid var(--admin-border) !important;
    background: var(--admin-surface) !important;
}

.admin-table .mud-table-pager .mud-button,
.admin-table .mud-table-pager .mud-pager-item,
.admin-table .mud-table-pager .mud-pager-navigation,
.admin-table .mud-table-pager .mud-pager-navigation .mud-button {
    color: var(--admin-text) !important;
    background: transparent !important;
    fill: var(--admin-text) !important;
}

.admin-table .mud-table-pager .mud-button:hover,
.admin-table .mud-table-pager .mud-pager-item:hover {
    background: var(--admin-surface-2) !important;
    color: var(--admin-text) !important;
    fill: var(--admin-text) !important;
}

.admin-table .mud-table-pager .mud-pager-item.active .mud-button,
.admin-table .mud-table-pager .mud-pager-item.active {
    color: var(--admin-accent) !important;
    background: var(--admin-accent-glow) !important;
    fill: var(--admin-accent) !important;
}

.admin-table .mud-table-pager .mud-pager-item.disabled,
.admin-table .mud-table-pager .mud-pager-item.disabled .mud-button {
    color: var(--admin-text-faint) !important;
    opacity: 0.4;
    fill: var(--admin-text-faint) !important;
}

.admin-table .mud-table-pager svg,
.admin-table .mud-table-pager .mud-icon-root {
    color: var(--admin-text) !important;
    fill: var(--admin-text) !important;
}

.admin-table .mud-table-pager .mud-pager-item.active svg,
.admin-table .mud-table-pager .mud-pager-item.active .mud-icon-root {
    color: var(--admin-accent) !important;
    fill: var(--admin-accent) !important;
}

.admin-table .mud-table-pager .mud-select-input,
.admin-table .mud-table-pager .mud-typography,
.admin-table .mud-table-pager .mud-table-pager-information {
    color: var(--admin-text) !important;
}

.admin-table .mud-table-pager .mud-input-label {
    color: var(--admin-text-muted) !important;
}

/* ── MudBlazor Override: Outlined fields in admin ── */
.admin-field .mud-input-outlined .mud-notched-outline {
    border-color: var(--admin-border) !important;
}

.admin-field .mud-input-outlined:hover .mud-notched-outline {
    border-color: var(--admin-accent) !important;
}

.admin-field .mud-input-outlined .mud-input-label {
    color: var(--admin-text-muted) !important;
}

.admin-field .mud-input input,
.admin-field .mud-input textarea {
    color: var(--admin-text) !important;
}

/* ── Button Overrides ─────────────────────────── */
.btn-admin-accent {
    background: var(--admin-accent) !important;
    color: #000 !important;
    font-weight: 700 !important;
}

.btn-admin-accent:hover {
    background: var(--admin-accent-hover) !important;
}

/* ── Dialog Overrides ─────────────────────────── */
.mud-dialog-container {
    background: transparent !important;
}

.mud-dialog {
    background: var(--admin-surface) !important;
    color: var(--admin-text) !important;
}

.mud-overlay {
    background: rgba(0, 0, 0, 0.85) !important;
}

.admin-dialog .mud-dialog {
    border: 1px solid var(--admin-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--admin-shadow-dialog) !important;
}

.admin-dialog .mud-dialog-content {
    padding: 24px 24px 0 !important;
    color: var(--admin-text) !important;
}

.admin-dialog .mud-dialog-actions {
    padding: 16px 24px 24px !important;
    min-height: unset !important;
}

.admin-dialog .mud-dialog-actions .mud-button-text {
    color: var(--admin-text-muted) !important;
}

.admin-dialog .mud-dialog-actions .mud-button-text:hover {
    color: var(--admin-text) !important;
}

.admin-dialog .mud-input-outlined .mud-notched-outline {
    border-color: var(--admin-border) !important;
}

.admin-dialog .mud-input-outlined:hover .mud-notched-outline {
    border-color: var(--admin-accent) !important;
}

.admin-dialog .mud-input input,
.admin-dialog .mud-input textarea {
    color: var(--admin-text) !important;
}

.admin-dialog .mud-input-label {
    color: var(--admin-text-muted) !important;
}

.admin-dialog .mud-select-input {
    color: var(--admin-text) !important;
}

.admin-dialog .mud-select .mud-select-input {
    color: var(--admin-text) !important;
}

.admin-dialog .mud-switch .mud-switch-label {
    color: var(--admin-text-muted) !important;
}

.admin-dialog .mud-typography {
    color: var(--admin-text) !important;
}

/* ── Login Page ───────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
    position: relative;
    overflow: hidden;
}

.login-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 140, 26, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 140, 26, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.login-bg-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 50% 50%, rgba(255, 140, 26, 0.06) 0%, transparent 60%);
    z-index: 0;
    animation: loginPulse 8s ease-in-out infinite;
}

@keyframes loginPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.login-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

.login-brand {
    text-align: center;
}

.login-brand-icon {
    width: 56px;
    height: 56px;
    background: var(--admin-accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 22px;
    color: #000;
    margin: 0 auto 16px;
    box-shadow: 0 0 30px rgba(255, 140, 26, 0.3);
}

.login-brand-title {
    font-size: 28px;
    font-weight: 900;
    color: var(--admin-text);
    margin: 0;
    letter-spacing: -0.02em;
}

.login-brand-title span {
    color: var(--admin-accent);
}

.login-brand-sub {
    font-size: 14px;
    color: var(--admin-text-muted);
    margin: 4px 0 0;
}

.login-card {
    width: 100%;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    padding: 36px 32px 32px;
    animation: loginFadeUp 0.6s ease-out;
}

@keyframes loginFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--admin-text);
    margin: 0 0 4px;
}

.login-card-sub {
    font-size: 13px;
    color: var(--admin-text-muted);
    margin: 0 0 24px;
}

.login-field {
    margin-bottom: 16px;
}

.login-field .mud-input-outlined .mud-notched-outline {
    border-color: var(--admin-border) !important;
    border-radius: 10px !important;
}

.login-field .mud-input-outlined:hover .mud-notched-outline {
    border-color: var(--admin-accent) !important;
}

.login-field .mud-input-outlined.mud-input-focused .mud-notched-outline {
    border-color: var(--admin-accent) !important;
    border-width: 2px !important;
}

.login-field .mud-input input {
    background: transparent !important;
    color: var(--admin-text) !important;
    font-size: 14px !important;
}

.login-field .mud-input input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 100px var(--admin-surface) inset !important;
    -webkit-text-fill-color: var(--admin-text) !important;
    caret-color: var(--admin-text) !important;
}

.login-field .mud-input-label {
    color: var(--admin-text-muted) !important;
    font-size: 14px !important;
}

.login-field .mud-input-adornment .mud-icon-root {
    color: var(--admin-text-muted) !important;
    opacity: 0.7;
}

.login-btn {
    width: 100%;
    padding: 12px !important;
    background: var(--admin-accent) !important;
    color: #000 !important;
    font-weight: 800 !important;
    font-size: 14px !important;
    border-radius: 10px !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: all 0.2s ease !important;
    margin-top: 4px;
}

.login-btn:hover {
    background: var(--admin-accent-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-accent) !important;
}

.login-btn:active {
    transform: translateY(0);
}

.login-footer-text {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: var(--admin-text-faint);
}

.login-error {
    background: var(--admin-error-bg);
    border: 1px solid var(--admin-error-border);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    color: var(--admin-danger);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}