:root {
          --bsmart-primary: #0F1A2E;
          --bsmart-accent: #C9A14A;
          --bsmart-light: #ffffff;
          --bsmart-muted: #6c757d;
          --bsmart-bg-soft: #f5f7fa;
        }

        /* Dashboard Layout */
        .bsmart-dashboard {
            display: flex;
            min-height: 100vh;
            background-color: var(--bsmart-bg-soft);
        }

        /* Sidebar Styles */
        .bsmart-sidebar {
            background: var(--bsmart-primary);
            color: var(--bsmart-light);
            width: 260px;
            min-height: 100vh;
            transition: all 0.3s ease;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
        }

        .bsmart-sidebar-header {
            padding: 1.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .bsmart-sidebar-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--bsmart-light);
            text-decoration: none;
            display: block;
            text-align: center;
        }

        .bsmart-sidebar-nav {
            flex: 1;
            padding: 1.5rem 0;
        }

        .bsmart-nav-item {
            margin-bottom: 0.25rem;
        }

        .bsmart-nav-link {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: all 0.3s ease;
            border-left: 3px solid transparent;
        }

        .bsmart-nav-link:hover,
        .bsmart-nav-link.active {
            color: var(--bsmart-light);
            background-color: rgba(255,255,255,0.1);
            border-left-color: var(--bsmart-accent);
        }

        .bsmart-nav-icon {
            width: 20px;
            text-align: center;
        }

        /* Main Content Area */
        .bsmart-main-content {
            flex: 1;
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Top Navbar */
        .bsmart-top-navbar {
            background-color: var(--bsmart-light);
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            padding: 1rem 1.5rem;
            position: sticky;
            top: 0;
            z-index: 999;
        }

        .bsmart-page-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--bsmart-primary);
            margin: 0;
        }

        .bsmart-student-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .bsmart-student-name {
            font-weight: 600;
            color: var(--bsmart-primary);
        }

        /* Dashboard Content */
        .bsmart-dashboard-content {
            flex: 1;
            padding: 1.5rem;
        }

        /* Stat Cards */
        .bsmart-stat-card {
            background-color: var(--bsmart-light);
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
        }

        .bsmart-stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .bsmart-stat-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.25rem;
        }

        .bsmart-stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--bsmart-primary);
            line-height: 1;
            margin-bottom: 0.25rem;
        }

        .bsmart-stat-label {
            color: var(--bsmart-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Course Cards */
        .bsmart-course-card {
            background-color: var(--bsmart-light);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.08);
        }

        .bsmart-course-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .bsmart-course-card-header {
            padding: 1.25rem;
            border-bottom: 1px solid rgba(0,0,0,0.08);
        }

        .bsmart-course-card-body {
            padding: 1.25rem;
        }

        .bsmart-course-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .bsmart-badge-theory {
            background-color: rgba(25, 135, 84, 0.1);
            color: #198754;
        }

        .bsmart-badge-revision {
            background-color: rgba(13, 110, 253, 0.1);
            color: #0d6efd;
        }

        .bsmart-progress-wrapper {
            margin: 1.5rem 0;
        }

        .bsmart-progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: var(--bsmart-muted);
        }

        .bsmart-progress-bar {
            height: 8px;
            background-color: rgba(0,0,0,0.1);
            border-radius: 4px;
            overflow: hidden;
        }

        .bsmart-progress-fill {
            height: 100%;
            background-color: var(--bsmart-accent);
            border-radius: 4px;
        }

        /* Button Styles */
        .bsmart-btn-accent {
          background-color: var(--bsmart-accent);
          color: #000;
          font-weight: 600;
          border-radius: 6px;
          padding: 8px 20px;
          border: none;
          transition: all 0.3s ease;
          display: inline-flex;
          align-items: center;
          gap: 0.5rem;
        }

        .bsmart-btn-accent:hover {
          background-color: #b89240;
          color: #000;
          transform: translateY(-2px);
          box-shadow: 0 4px 12px rgba(201, 161, 74, 0.3);
        }

        .bsmart-btn-outline {
          background-color: transparent;
          color: var(--bsmart-primary);
          font-weight: 600;
          border-radius: 6px;
          padding: 8px 20px;
          border: 2px solid var(--bsmart-primary);
          transition: all 0.3s ease;
          display: inline-flex;
          align-items: center;
          gap: 0.5rem;
        }

        .bsmart-btn-outline:hover {
          background-color: var(--bsmart-primary);
          color: var(--bsmart-light);
        }

        /* Upcoming Classes */
        .bsmart-class-table {
            background-color: var(--bsmart-light);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
        }

        .bsmart-class-table .table {
            margin-bottom: 0;
        }

        .bsmart-class-table .table thead th {
            background-color: var(--bsmart-primary);
            color: var(--bsmart-light);
            font-weight: 600;
            border: none;
            padding: 1rem;
        }

        .bsmart-class-table .table tbody td {
            vertical-align: middle;
            padding: 1rem;
            border-color: rgba(0,0,0,0.08);
        }

        .bsmart-class-today {
            background-color: rgba(201, 161, 74, 0.1) !important;
            font-weight: 600;
        }

        .bsmart-class-mode {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .bsmart-mode-online {
            background-color: rgba(25, 135, 84, 0.1);
            color: #198754;
        }

        .bsmart-mode-physical {
            background-color: rgba(13, 110, 253, 0.1);
            color: #0d6efd;
        }

        /* Announcements */
        .bsmart-announcements {
            background-color: var(--bsmart-light);
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
            height: 100%;
        }

        .bsmart-announcement-item {
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0,0,0,0.08);
        }

        .bsmart-announcement-item:last-child {
            border-bottom: none;
        }

        .bsmart-announcement-date {
            font-size: 0.85rem;
            color: var(--bsmart-muted);
            margin-bottom: 0.25rem;
        }

        .bsmart-announcement-title {
            font-weight: 600;
            color: var(--bsmart-primary);
            margin-bottom: 0.5rem;
        }

        .bsmart-read-more {
            color: var(--bsmart-accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .bsmart-read-more:hover {
            text-decoration: underline;
        }

        /* Quick Actions */
        .bsmart-quick-actions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .bsmart-action-btn {
            background-color: var(--bsmart-light);
            border: 2px solid rgba(0,0,0,0.1);
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            text-decoration: none;
            color: var(--bsmart-primary);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }

        .bsmart-action-btn:hover {
            border-color: var(--bsmart-accent);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .bsmart-action-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(201, 161, 74, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--bsmart-accent);
        }

        /* Call to Action */
        .bsmart-cta-banner {
            background: linear-gradient(135deg, var(--bsmart-primary) 0%, #1a2b4d 100%);
            color: var(--bsmart-light);
            border-radius: 10px;
            padding: 2rem;
            margin-top: 2rem;
        }

        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .bsmart-sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            
            .bsmart-sidebar.mobile-open {
                transform: translateX(0);
            }
            
            .bsmart-main-content {
                margin-left: 0;
            }
            
            .bsmart-mobile-menu-btn {
                display: block !important;
            }
        }

        @media (max-width: 768px) {
            .bsmart-dashboard-content {
                padding: 1rem;
            }
            
            .bsmart-top-navbar {
                padding: 1rem;
            }
            
            .bsmart-page-title {
                font-size: 1.25rem;
            }
            
            .bsmart-stat-card {
                padding: 1rem;
            }
            
            .bsmart-stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 576px) {
            .bsmart-quick-actions {
                grid-template-columns: 1fr;
            }
            
            .bsmart-student-info {
                flex-direction: column;
                align-items: flex-end;
                gap: 0.5rem;
            }
        }

        /* Mobile Menu Button */
        .bsmart-mobile-menu-btn {
            background: none;
            border: none;
            color: var(--bsmart-primary);
            font-size: 1.25rem;
            display: none;
            padding: 0.5rem;
        }

        /* Section Headers */
        .bsmart-section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .bsmart-section-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--bsmart-primary);
            margin: 0;
        }

        /* Scrollable Announcements */
        .bsmart-announcements-scroll {
            max-height: 300px;
            overflow-y: auto;
            padding-right: 0.5rem;
        }

        .bsmart-announcements-scroll::-webkit-scrollbar {
            width: 6px;
        }

        .bsmart-announcements-scroll::-webkit-scrollbar-track {
            background: rgba(0,0,0,0.05);
            border-radius: 3px;
        }

        .bsmart-announcements-scroll::-webkit-scrollbar-thumb {
            background: var(--bsmart-accent);
            border-radius: 3px;
        }