<style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #e8e9f3 0%, #f5f6fa 100%);
            overflow-x: hidden;
        }

        .mobile-container {
            max-width: 420px;
            margin: 0 auto;
            background: #f5f6fa;
            min-height: 100vh;
            position: relative;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }

        .top-header {
            background: transparent;
            padding: 25px 15px 15px;
            
            top: 0;
            z-index: 100;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-header h1 {
            font-size: 28px;
            font-weight: 700;
            color: #1a1a2e;
            margin: 0;
        }

        .search-icon {
            width: 45px;
            height: 45px;
            background: white;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        }

        .search-icon i {
            color: black;
            font-size: 18px;
        }

        .content-area {
            padding: 6px 15px 100px;
            min-height: calc(100vh - 120px);
        }

        .updates-section {
            background: white;
            border-radius: 24px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
        }

        .update-card {
            background: white;
            border-radius: 20px;
            padding: 18px;
            margin-bottom: 12px;
            border: 1px solid #f0f0f5;
            position: relative;
            transition: all 0.3s ease;
        }

        .update-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(41, 56, 255, 0.08);
        }

        .update-header {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }

        .avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            margin-right: 12px;
        }

        .class-badge {
            position: absolute;
            top: 18px;
            right: 18px;
            background: #e8f0ff;
            color: #2938ff;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 11px;
            font-weight: 600;
        }

        .progress-card {
            background: white;
            border-radius: 24px;
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .progress-title {
            font-size: 15px;
            font-weight: 600;
            color: #1a1a2e;
        }

        .progress-status {
            font-size: 13px;
            color: #2938ff;
            font-weight: 500;
        }

        .progress-bar-custom {
            height: 8px;
            background: #f0f0f5;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #2938ff 0%, #5865ff 100%);
            border-radius: 10px;
            transition: width 0.5s ease;
        }

        .progress-percent {
            font-size: 14px;
            font-weight: 600;
            color: #1a1a2e;
        }

        .course-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }

        .course-card {
            background: linear-gradient(135deg, #2938ff 0%, #5865ff 100%);
            border-radius: 24px;
            padding: 25px 20px;
            color: white;
            min-height: 180px;
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .course-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(41, 56, 255, 0.3);
        }

        .course-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 150px;
            height: 150px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
        }

        .course-icon {
            font-size: 32px;
            margin-bottom: 15px;
        }

        .course-category {
            font-size: 11px;
            opacity: 0.8;
            margin-bottom: 5px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .course-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
        }

        .stats-row {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .stat-pill {
            flex: 1;
            background: white;
            border-radius: 16px;
            padding: 18px 16px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
        }

        .stat-pill h4 {
            font-size: 24px;
            font-weight: 700;
            color: #2938ff;
            margin: 0 0 4px 0;
        }

        .stat-pill p {
            font-size: 12px;
            color: #999;
            margin: 0;
            font-weight: 500;
        }

        .bottom-nav {
            position: fixed;
            bottom: 0px;
            left: 50%;
            transform: translateX(-50%);
            max-width: 400px;
            width: 100%;
            background: #0514e6;
            border-radius: 6px 6px 0px 0px;
            padding: 1px 1px;
            z-index: 1000;
            box-shadow: 0 10px 40px rgba(41, 56, 255, 0.3);
        }

        .nav-items {
            display: flex;
            justify-content: space-around;
            align-items: center;
        }

        .nav-item {
            flex: 1;
            text-align: center;
            padding: 10px 0;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            background: none;
            border-radius: 18px;
        }

        .nav-item i {
            font-size: 20px;
            color: white;
            display: block;
            margin-bottom: 4px;
            transition: all 0.3s ease;
        }

        .nav-item span {
            font-size: 11px;
            color: white;
            display: block;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .nav-item.active {
            background: rgba(255,255,255,0.15);
        }

        .nav-item.active i,
        .nav-item.active span {
            color: white;
        }

        .content-hidden {
            display: none;
        }

        .content-visible {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .play-button {
            width: 50px;
            height: 50px;
            background: #2938ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin: 15px auto 0;
        }

        .play-button:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 24px rgba(41, 56, 255, 0.3);
        }

        .chart-area {
            background: linear-gradient(135deg, #fff8f0 0%, #ffe8d8 100%);
            border-radius: 24px;
            padding: 25px;
            margin-bottom: 20px;
            min-height: 200px;
            position: relative;
        }

        .chart-label {
            font-size: 13px;
            color: #666;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .chart-value {
            font-size: 32px;
            font-weight: 700;
            color: #1a1a2e;
        }

        .accuracy-bars {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

        .accuracy-item {
            flex: 1;
        }

        .accuracy-label {
            font-size: 11px;
            color: #999;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .accuracy-bar {
            height: 140px;
            background: rgba(41, 56, 255, 0.1);
            border-radius: 16px;
            position: relative;
            overflow: hidden;
        }

        .accuracy-fill {
            position: absolute;
            bottom: 0;
            width: 100%;
            background: #2938ff;
            border-radius: 16px;
            transition: height 0.5s ease;
        }

        .accuracy-value {
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 16px;
            font-weight: 700;
            color: white;
        }

        .no-border-table,
.no-border-table thead th,
.no-border-table tbody td,
.no-border-table tbody tr {
  background-color: transparent !important;
}

.no-border-table,
.no-border-table thead th,
.no-border-table tbody td,
.no-border-table tbody tr,
.no-border-table tfoot td,
.no-border-table tfoot th {
  border: none !important;
}

label{

    margin-left: 2px;
    margin-bottom: 3px;
}

.label2{

    font-size: 13px;
}

.form-control{
    padding: 8px 8px;
}

.app-logo{

     font-size: 25px;
  }
  .app-logo-wrapper{

    width: 50px;
    height: 50px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgb(8 8 8 / 22%);
  }
  .app-content{

    background-color: white;
    padding: 18px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  }






    </style>