:root {
            --font-base: 'IBM Plex Sans KR', 'Plus Jakarta Sans', sans-serif;
            --fs-sm: 11px;
            --fs-md: 13px;
            --fs-lg: 15px;

            --color-primary: #4f46e5;
            --color-primary-soft: #eef2ff;
            --color-primary-hover: #4338ca;
            --color-success: #10b981;
            --color-success-soft: #ecfdf5;
            --color-warning: #f59e0b;
            --color-warning-soft: #fffbeb;
            --color-danger: #ef4444;
            --color-danger-soft: #fef2f2;
            --color-info: #06b6d4;
            --color-info-soft: #ecfeff;

            --bg-app: #f6f7fb;
            --bg-surface: #ffffff;
            --border-color: #e5e7eb;
            --text-base: #111827;
            --text-muted: #6b7280;
            --text-soft: #9ca3af;

            --header-h: 60px;
            --sidebar-w: 250px;
            --footer-h: 40px;
        }

        * { box-shadow: none !important; }

        html, body {
            height: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: var(--fs-md);
            color: var(--text-base);
            background-color: var(--bg-app);
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        body.search-open { overflow: hidden; }

        .fs-sm { font-size: var(--fs-sm) !important; }
        .fs-md { font-size: var(--fs-md) !important; }
        .fs-lg { font-size: var(--fs-lg) !important; }

        a { text-decoration: none; }

        /* ======================== HEADER ======================== */
        .app-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            z-index: 1030;
        }
        .app-header .brand {
            width: var(--sidebar-w);
            display: flex;
            align-items: center;
            padding: 0 1.25rem;
            border-right: 1px solid var(--border-color);
            height: 100%;
        }
        .app-header .brand-logo {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-lg);
            font-weight: 700;
            margin-right: 10px;
        }
        .app-header .brand-name {
            font-size: var(--fs-lg);
            font-weight: 700;
            color: var(--text-base);
        }
        .app-header .brand-name small {
            display: block;
            font-size: var(--fs-sm);
            color: var(--text-muted);
            font-weight: 400;
        }

        .app-header .header-body {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.5rem;
            height: 100%;
        }

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
        }
        .breadcrumb-wrap .crumb {
            font-size: var(--fs-md);
            color: var(--text-muted);
        }
        .breadcrumb-wrap .crumb.active {
            color: var(--text-base);
            font-weight: 600;
        }
        .breadcrumb-wrap .crumb-sep {
            margin: 0 0.5rem;
            color: var(--text-soft);
            font-size: var(--fs-sm);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .header-actions .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-surface);
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-lg);
            position: relative;
            cursor: pointer;
            transition: all .15s ease;
        }
        .header-actions .icon-btn:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-color: var(--color-primary-soft);
        }
        .header-actions .icon-btn .badge-dot {
            position: absolute;
            top: 7px;
            right: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-danger);
            border: 2px solid var(--bg-surface);
        }

        .user-chip {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 4px 12px 4px 4px;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            background: var(--bg-surface);
            cursor: pointer;
        }
        .user-chip:hover { background: var(--bg-app); }
        .user-chip .avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, #4f46e5, #06b6d4);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-md);
            font-weight: 600;
        }
        .user-chip .user-meta {
            line-height: 1.2;
        }
        .user-chip .user-meta .name {
            font-size: var(--fs-md);
            color: var(--text-base);
            font-weight: 600;
        }
        .user-chip .user-meta .role {
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }

        .notification-dropdown,
        .profile-dropdown {
            position: relative;
        }

        .notification-menu,
        .profile-menu {
            width: 360px;
            padding: 0;
            overflow: hidden;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--bg-surface);
        }

        .notification-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .notification-head strong {
            display: block;
            font-size: var(--fs-lg);
            color: var(--text-base);
        }
        .notification-head span {
            display: block;
            margin-top: 2px;
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }
        .text-btn {
            border: 0;
            background: transparent;
            color: var(--color-primary);
            font-size: var(--fs-sm);
            font-weight: 600;
            padding: 4px 0;
        }

        .notification-list {
            max-height: 480px;
            overflow-y: auto;
        }
        .notification-item {
            display: flex;
            gap: 10px;
            padding: 12px 16px;
            color: var(--text-base);
            border-bottom: 1px solid #f1f3f8;
            background: var(--bg-surface);
        }
        .notification-item:hover {
            background: #fafbff;
        }
        .notification-item.unread {
            background: linear-gradient(90deg, var(--color-primary-soft), #fff 46%);
        }
        .notice-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        .notice-icon.primary { background: var(--color-primary-soft); color: var(--color-primary); }
        .notice-icon.success { background: var(--color-success-soft); color: var(--color-success); }
        .notice-icon.warning { background: var(--color-warning-soft); color: var(--color-warning); }
        .notice-icon.danger { background: var(--color-danger-soft); color: var(--color-danger); }
        .notice-icon.info { background: var(--color-info-soft); color: var(--color-info); }
        .notice-body {
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .notice-body strong {
            font-size: var(--fs-md);
            color: var(--text-base);
        }
        .notice-body span {
            font-size: var(--fs-md);
            color: var(--text-muted);
            line-height: 1.35;
        }
        .notice-body small {
            font-size: var(--fs-sm);
            color: var(--text-soft);
        }
        .notification-more {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 12px 16px;
            font-size: var(--fs-md);
            font-weight: 600;
            color: var(--color-primary);
            background: #fafbff;
        }
        .notification-more:hover {
            color: var(--color-primary-hover);
            background: var(--color-primary-soft);
        }

        .profile-menu {
            width: 310px;
        }
        .profile-card-head {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px;
            background: #fafbff;
            border-bottom: 1px solid var(--border-color);
        }
        .profile-avatar {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, #4f46e5, #06b6d4);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .profile-card-head strong,
        .profile-card-head small {
            display: block;
        }
        .profile-card-head strong {
            font-size: var(--fs-lg);
            color: var(--text-base);
        }
        .profile-card-head small {
            margin-top: 2px;
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }
        .profile-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }
        .profile-status span {
            color: var(--color-success);
            font-weight: 600;
        }
        .profile-status i {
            font-size: 7px;
            vertical-align: 1px;
        }
        .profile-menu-list {
            padding: 8px;
        }
        .profile-menu-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: 8px;
            color: var(--text-base);
        }
        .profile-menu-item:hover {
            background: var(--color-primary-soft);
        }
        .profile-menu-item > i {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #f3f4f6;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .profile-menu-item:hover > i {
            color: var(--color-primary);
            background: #fff;
        }
        .profile-menu-item strong,
        .profile-menu-item small {
            display: block;
        }
        .profile-menu-item strong {
            font-size: var(--fs-md);
            color: var(--text-base);
        }
        .profile-menu-item small {
            margin-top: 2px;
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }
        .profile-menu-footer {
            display: flex;
            justify-content: space-between;
            padding: 10px 12px;
            border-top: 1px solid var(--border-color);
            background: #fafbff;
        }
        .profile-menu-footer a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: var(--fs-md);
            font-weight: 600;
        }
        .profile-menu-footer a:hover {
            color: var(--color-primary);
        }
        .profile-menu-footer a.logout:hover {
            color: var(--color-danger);
        }

        .search-backdrop {
            position: fixed;
            inset: 0;
            z-index: 1080;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding: 14vh 18px 18px;
            background: rgba(17, 24, 39, .42);
        }
        .search-backdrop[hidden] {
            display: none;
        }
        .search-panel {
            width: min(680px, 100%);
            overflow: hidden;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, .45);
            background: var(--bg-surface);
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-color);
        }
        .search-box > i {
            color: var(--color-primary);
            font-size: 20px;
        }
        .search-box input {
            flex: 1;
            min-width: 0;
            border: 0;
            outline: 0;
            font-size: 18px;
            color: var(--text-base);
        }
        .search-box input::placeholder {
            color: var(--text-soft);
        }
        .search-close {
            width: 34px;
            height: 34px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: #fff;
            color: var(--text-muted);
        }
        .search-close:hover {
            color: var(--color-danger);
            background: var(--color-danger-soft);
            border-color: var(--color-danger-soft);
        }
        .search-quick {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 12px 18px;
            border-bottom: 1px solid var(--border-color);
            background: #fafbff;
        }
        .search-quick span {
            margin-right: 2px;
            font-size: var(--fs-sm);
            color: var(--text-muted);
            font-weight: 600;
        }
        .search-quick a {
            padding: 5px 9px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: var(--fs-sm);
            font-weight: 600;
        }
        .search-quick a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary-soft);
            background: var(--color-primary-soft);
        }
        .search-results {
            padding: 8px;
        }
        .search-result-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            border-radius: 10px;
            color: var(--text-base);
        }
        .search-result-item:hover {
            background: var(--color-primary-soft);
        }
        .search-result-item > i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: #f3f4f6;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 17px;
        }
        .search-result-item strong,
        .search-result-item small {
            display: block;
        }
        .search-result-item strong {
            font-size: var(--fs-md);
            color: var(--text-base);
        }
        .search-result-item small {
            margin-top: 2px;
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }

        /* ======================== SIDEBAR ======================== */
        .app-sidebar {
            position: fixed;
            top: var(--header-h);
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: var(--bg-surface);
            border-right: 1px solid var(--border-color);
            overflow-y: auto;
            padding: 1rem 0.75rem 1.5rem;
            z-index: 1020;
        }
        .app-sidebar::-webkit-scrollbar { width: 6px; }
        .app-sidebar::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 999px; }

        .nav-group-label {
            font-size: var(--fs-sm);
            color: var(--text-soft);
            text-transform: uppercase;
            letter-spacing: .05em;
            font-weight: 600;
            padding: 0.85rem 0.75rem 0.4rem;
            margin: 0;
        }

        .nav-tree {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-tree .nav-tree { margin-left: 0; }

        .nav-item-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 12px;
            font-size: var(--fs-md);
            color: var(--text-muted);
            border-radius: 8px;
            cursor: pointer;
            transition: all .15s ease;
            user-select: none;
            position: relative;
        }
        .nav-item-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-item-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }
        .nav-item-link i.lead-icon {
            font-size: var(--fs-lg);
            width: 18px;
            text-align: center;
        }
        .nav-item-link .nav-label { flex: 1; }
        .nav-item-link .chev {
            font-size: var(--fs-sm);
            color: var(--text-soft);
            transition: transform .2s ease;
        }
        .nav-item-link[aria-expanded="true"] .chev { transform: rotate(90deg); }
        .nav-item-link .badge-pill {
            font-size: 10px;
            padding: 2px 6px;
            border-radius: 999px;
            background: var(--color-danger);
            color: #fff;
            font-weight: 600;
        }

        /* depth 2 */
        .nav-tree-2 {
            list-style: none;
            padding: 4px 0 4px 22px;
            margin: 0;
            border-left: 1px dashed var(--border-color);
            margin-left: 18px;
        }
        .nav-tree-2 .nav-item-link {
            padding: 7px 10px;
            font-size: var(--fs-md);
        }
        .nav-tree-2 .nav-item-link::before {
            content: "";
            width: 5px;
            height: 5px;
            background: var(--text-soft);
            border-radius: 50%;
            display: inline-block;
        }
        .nav-tree-2 .nav-item-link:hover::before,
        .nav-tree-2 .nav-item-link.active::before {
            background: var(--color-primary);
        }

        /* depth 3 */
        .nav-tree-3 {
            list-style: none;
            padding: 2px 0 2px 16px;
            margin: 0;
        }
        .nav-tree-3 .nav-item-link {
            padding: 6px 10px;
            font-size: var(--fs-md);
            color: var(--text-soft);
        }
        .nav-tree-3 .nav-item-link::before { display: none; }
        .nav-tree-3 .nav-item-link:hover,
        .nav-tree-3 .nav-item-link.active {
            color: var(--color-primary);
            background: transparent;
            font-weight: 600;
        }

        /* ======================== CONTENT ======================== */
        .app-main {
            margin-left: var(--sidebar-w);
            padding-top: var(--header-h);
            padding-bottom: var(--footer-h);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .app-content {
            flex: 1;
            padding: 1.5rem 1.75rem;
        }

        .page-title-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .page-title-row h1 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-base);
        }
        .page-title-row .subtitle {
            font-size: var(--fs-md);
            color: var(--text-muted);
            margin: 0;
        }
        .page-title-row .toolbar {
            display: flex;
            gap: 0.5rem;
        }
        .page-title-row .toolbar .btn {
            font-size: var(--fs-md);
            padding: 6px 14px;
            border-radius: 8px;
        }

        .surface-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.25rem;
        }

        /* KPI cards */
        .kpi-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.1rem 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.9rem;
        }
        .kpi-card .kpi-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .kpi-icon.bg-primary-soft { background: var(--color-primary-soft); color: var(--color-primary); }
        .kpi-icon.bg-success-soft { background: var(--color-success-soft); color: var(--color-success); }
        .kpi-icon.bg-warning-soft { background: var(--color-warning-soft); color: var(--color-warning); }
        .kpi-icon.bg-danger-soft  { background: var(--color-danger-soft);  color: var(--color-danger); }

        .kpi-card .kpi-label {
            font-size: var(--fs-md);
            color: var(--text-muted);
            margin: 0 0 2px;
        }
        .kpi-card .kpi-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-base);
            margin: 0;
            line-height: 1.2;
        }
        .kpi-card .kpi-trend {
            font-size: var(--fs-sm);
            margin: 4px 0 0;
        }
        .trend-up   { color: var(--color-success); }
        .trend-down { color: var(--color-danger);  }

        /* Section header */
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.9rem;
        }
        .section-head h3 {
            font-size: var(--fs-lg);
            font-weight: 700;
            margin: 0;
            color: var(--text-base);
        }
        .section-head .meta {
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }
        .section-head .link-more {
            font-size: var(--fs-md);
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Chart placeholder */
        .chart-frame {
            height: 240px;
            border-radius: 10px;
            background:
                linear-gradient(180deg, rgba(79,70,229,0.08), rgba(79,70,229,0) 70%),
                repeating-linear-gradient(0deg, var(--border-color) 0 1px, transparent 1px 48px);
            position: relative;
            overflow: hidden;
        }
        .chart-frame::before {
            content: "";
            position: absolute;
            left: 0; right: 0; bottom: 30%;
            height: 2px;
            background: var(--color-primary);
            opacity: .8;
        }
        .chart-frame::after {
            content: "선형 그래프 영역";
            position: absolute;
            top: 12px; left: 14px;
            font-size: var(--fs-sm);
            color: var(--text-soft);
        }

        .chart-frame.bars {
            background: repeating-linear-gradient(0deg, var(--border-color) 0 1px, transparent 1px 48px);
        }
        .chart-frame.bars::before { display: none; }
        .chart-frame.bars .bars-wrap {
            position: absolute;
            inset: 30px 14px 14px 14px;
            display: flex;
            align-items: flex-end;
            gap: 10px;
        }
        .chart-frame.bars .bars-wrap .bar {
            flex: 1;
            background: var(--color-primary);
            border-radius: 6px 6px 0 0;
            opacity: .85;
        }
        .chart-frame.bars .bars-wrap .bar.alt { background: var(--color-info); }
        .chart-frame.bars::after {
            content: "막대 그래프 영역";
            position: absolute;
            top: 12px; left: 14px;
            font-size: var(--fs-sm);
            color: var(--text-soft);
        }

        .donut-frame {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: conic-gradient(
                var(--color-primary) 0 65%,
                var(--color-info)    65% 85%,
                var(--color-warning) 85% 100%
            );
            position: relative;
            margin: 8px auto;
        }
        .donut-frame::after {
            content: "";
            position: absolute;
            inset: 18px;
            background: var(--bg-surface);
            border-radius: 50%;
        }
        .donut-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .donut-center .value {
            font-size: var(--fs-lg);
            font-weight: 700;
        }
        .donut-center .label {
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }

        .legend-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .legend-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: var(--fs-md);
            padding: 4px 0;
        }
        .legend-list li .dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 3px;
            margin-right: 8px;
            vertical-align: middle;
        }

        /* Tables */
        .data-table {
            width: 100%;
            border-collapse: collapse;
        }
        .data-table thead th {
            text-align: left;
            font-size: var(--fs-sm);
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: .03em;
            padding: 10px 12px;
            background: #fafbff;
            border-bottom: 1px solid var(--border-color);
        }
        .data-table tbody td {
            font-size: var(--fs-md);
            padding: 12px;
            border-bottom: 1px solid var(--border-color);
            vertical-align: middle;
            color: var(--text-base);
        }
        .data-table tbody tr:last-child td { border-bottom: none; }
        .data-table tbody tr:hover { background: #fafbff; }

        .pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 8px;
            border-radius: 999px;
            font-size: var(--fs-sm);
            font-weight: 600;
        }
        .pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
        }
        .pill.success { background: var(--color-success-soft); color: var(--color-success); }
        .pill.success .dot { background: var(--color-success); }
        .pill.warning { background: var(--color-warning-soft); color: var(--color-warning); }
        .pill.warning .dot { background: var(--color-warning); }
        .pill.danger  { background: var(--color-danger-soft);  color: var(--color-danger); }
        .pill.danger  .dot { background: var(--color-danger); }
        .pill.primary { background: var(--color-primary-soft); color: var(--color-primary); }
        .pill.primary .dot { background: var(--color-primary); }
        .pill.info    { background: var(--color-info-soft); color: var(--color-info); }
        .pill.info    .dot { background: var(--color-info); }

        .avatar-sm {
            width: 28px; height: 28px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-sm);
            font-weight: 600;
            color: #fff;
            margin-right: 8px;
        }

        /* Activity timeline */
        .timeline {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .timeline li {
            position: relative;
            padding: 0 0 14px 22px;
            border-left: 1px dashed var(--border-color);
            margin-left: 6px;
        }
        .timeline li:last-child { padding-bottom: 0; }
        .timeline li::before {
            content: "";
            position: absolute;
            left: -5px;
            top: 4px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 2px solid var(--bg-surface);
        }
        .timeline li.success::before { background: var(--color-success); }
        .timeline li.warning::before { background: var(--color-warning); }
        .timeline li.danger::before  { background: var(--color-danger); }
        .timeline .t-title {
            font-size: var(--fs-md);
            color: var(--text-base);
            margin: 0;
        }
        .timeline .t-meta {
            font-size: var(--fs-sm);
            color: var(--text-muted);
            margin: 2px 0 0;
        }

        /* Todo list */
        .todo-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .todo-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-md);
        }
        .todo-list li:last-child { border-bottom: none; }
        .todo-list .check {
            width: 18px; height: 18px;
            border: 1.5px solid var(--border-color);
            border-radius: 5px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: transparent;
            flex-shrink: 0;
        }
        .todo-list li.done .check {
            background: var(--color-success);
            border-color: var(--color-success);
            color: #fff;
        }
        .todo-list li.done .label {
            color: var(--text-soft);
            text-decoration: line-through;
        }
        .todo-list .label { flex: 1; }
        .todo-list .meta {
            font-size: var(--fs-sm);
            color: var(--text-muted);
        }

        /* Footer */
        .app-footer {
            margin-left: var(--sidebar-w);
            height: var(--footer-h);
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.75rem;
            font-size: var(--fs-sm);
            color: var(--text-muted);
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
        }
        .app-footer a {
            color: var(--text-muted);
            margin-left: 12px;
        }
        .app-footer a:hover { color: var(--color-primary); }

        .app-main { padding-bottom: calc(var(--footer-h) + 12px); }

        /* dropdown override (flat) */
        .dropdown-menu {
            font-size: var(--fs-md);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            padding: 6px;
        }
        .dropdown-item {
            border-radius: 6px;
            padding: 7px 10px;
            font-size: var(--fs-md);
        }
        .dropdown-item:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        /* small utility colors */
        .bg-primary-100 { background: var(--color-primary-soft); }
        .text-primary-700 { color: var(--color-primary); }

        @media (max-width: 992px) {
            .app-sidebar { transform: translateX(-100%); transition: transform .25s ease; }
            .app-main, .app-footer { margin-left: 0; }
        }