* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Mina', sans-serif;
        }

        :root {
            --hb-primary: #1B4D3E;           /* ডার্ক গ্রীন - প্রধান */
            --hb-dark-green: #0F3A2E;         /* আরও ডার্ক গ্রীন */
            --hb-purple: #800080;             /* পার্পল */
            --hb-deep-pink: #FF1493;          /* ডিপ পিংক */
            --hb-purple-light: #f3e8f3;       /* হালকা পার্পল */
            --hb-pink-light: #fff0f7;         /* হালকা পিংক */
            --hb-primary-light: #e8f3ef;      /* হালকা গ্রীন */
            
            --text-dark: #1A1A1A;
            --text-light: #4A4A4A;
            --text-muted: #666666;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --border-light: #e1e1e1;
            
            --shadow-sm: 0 5px 15px rgba(27, 77, 62, 0.08);
            --shadow-md: 0 10px 25px rgba(128, 0, 128, 0.1);
            --shadow-lg: 0 20px 40px rgba(255, 20, 147, 0.15);
            --transition: all 0.3s ease;
        }

        body {
            background-color: var(--bg-light);
            padding-top: 80px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Navbar Styles */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.98);
            z-index: 9999;
            padding: 10px 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            backdrop-filter: blur(10px);
        }

        .main-nav #LOGO {
            width: 110px;
            height: auto;
            transition: var(--transition);
        }

        .main-nav #LOGO:hover {
            transform: scale(1.05);
        }

        .profile-img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid var(--hb-primary);
            object-fit: cover;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(27, 77, 62, 0.2);
        }

        .profile-img:hover {
            transform: scale(1.1);
            border-color: var(--hb-deep-pink);
            box-shadow: 0 4px 12px rgba(255, 20, 147, 0.3);
        }

        .page-header {
            text-align: center;
            margin-bottom: 40px;
            background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
            padding: clamp(20px, 5vw, 40px) clamp(15px, 4vw, 30px);
            border-radius: clamp(20px, 5vw, 50px);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(27, 77, 62, 0.03) 0%, rgba(128, 0, 128, 0.02) 50%, rgba(255, 20, 147, 0.01) 100%);
            animation: rotate 30s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .page-header h1 {
            font-size: clamp(28px, 6vw, 48px);
            font-weight: 800;
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple), var(--hb-deep-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 10px 0 5px;
            position: relative;
        }

        .page-header .subtitle {
            font-size: clamp(16px, 4vw, 24px);
            font-weight: 600;
            color: var(--hb-purple);
            margin-bottom: 15px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .page-header .subtitle i {
            color: var(--hb-deep-pink);
            font-size: clamp(14px, 3vw, 20px);
        }

        .page-header .description {
            font-size: clamp(14px, 3vw, 18px);
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
            padding: 0 15px;
        }

        .page-header hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--hb-primary), var(--hb-purple), var(--hb-deep-pink), transparent);
            opacity: 1;
            width: min(250px, 70%);
            margin: 20px auto;
        }

        .boss-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple));
            color: white;
            padding: clamp(6px, 2vw, 10px) clamp(20px, 5vw, 35px);
            border-radius: 50px;
            font-size: clamp(14px, 3.5vw, 20px);
            font-weight: 700;
            margin-bottom: 15px;
            box-shadow: 0 5px 15px rgba(128, 0, 128, 0.3);
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .boss-badge i {
            margin-right: 8px;
            color: var(--hb-deep-pink);
        }

        .info-tabs {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            padding: 0 10px;
        }

        .tab-btn {
            background: var(--bg-white);
            border: 2px solid var(--border-light);
            color: var(--text-light);
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 50px;
            font-size: 16px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            flex: 0 0 auto;
            min-width: 120px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .tab-btn:hover {
            border-color: var(--hb-deep-pink);
            color: var(--hb-deep-pink);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .tab-btn.active {
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple));
            border-color: transparent;
            color: white;
            box-shadow: 0 10px 25px rgba(255, 20, 147, 0.3);
        }

        .info-card {
            background: var(--bg-white);
            border-radius: clamp(20px, 4vw, 30px);
            padding: clamp(20px, 4vw, 30px);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--hb-primary), var(--hb-purple), var(--hb-deep-pink));
        }

        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .card-icon {
            width: clamp(60px, 12vw, 80px);
            height: clamp(60px, 12vw, 80px);
            background: linear-gradient(135deg, var(--hb-primary) 0%, var(--hb-purple) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: clamp(24px, 5vw, 36px);
            box-shadow: 0 10px 20px rgba(128, 0, 128, 0.2);
        }

        .card-title {
            font-size: clamp(18px, 4vw, 24px);
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 20px;
            text-align: center;
            padding-bottom: 12px;
            position: relative;
        }

        .card-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--hb-primary), var(--hb-deep-pink));
            border-radius: 2px;
        }

        .tip-list {
            list-style: none;
            padding: 0;
        }

        .tip-list li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 12px;
            font-size: clamp(14px, 3vw, 16px);
            color: var(--text-light);
            padding: clamp(10px, 2vw, 15px) clamp(12px, 2.5vw, 18px);
            background: var(--bg-light);
            border-radius: 15px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .tip-list li:hover {
            background: var(--hb-primary-light);
            transform: translateX(5px);
            border-color: var(--hb-primary);
        }

        .tip-list li i {
            color: var(--hb-deep-pink);
            font-size: clamp(16px, 3.5vw, 20px);
            width: 25px;
            flex-shrink: 0;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
            gap: clamp(15px, 3vw, 25px);
            margin: 30px 0;
        }

        .tip-item {
            background: var(--bg-white);
            border-radius: 25px;
            padding: clamp(20px, 4vw, 25px);
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tip-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--hb-primary), var(--hb-deep-pink));
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .tip-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .tip-item:hover::before {
            transform: scaleX(1);
        }

        .tip-icon {
            width: clamp(50px, 10vw, 70px);
            height: clamp(50px, 10vw, 70px);
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: clamp(24px, 5vw, 32px);
        }

        .tip-title {
            font-size: clamp(16px, 3.5vw, 20px);
            font-weight: 800;
            color: var(--hb-primary);
            margin-bottom: 15px;
        }

        .tip-text {
            color: var(--text-muted);
            font-size: clamp(13px, 2.8vw, 15px);
            line-height: 1.7;
        }

        .motivation-card {
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple), var(--hb-deep-pink));
            border-radius: clamp(20px, 5vw, 30px);
            padding: clamp(25px, 5vw, 40px);
            color: white;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .motivation-card::before {
            content: '"';
            position: absolute;
            top: -50px;
            right: 20px;
            font-size: clamp(150px, 30vw, 300px);
            opacity: 0.1;
            color: white;
            font-family: serif;
        }

        .motivation-quote {
            font-size: clamp(20px, 5vw, 30px);
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }

        .motivation-author {
            font-size: clamp(14px, 3vw, 18px);
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .exam-tips {
            background: linear-gradient(135deg, var(--hb-primary-light), var(--hb-pink-light));
            border-radius: 25px;
            padding: clamp(20px, 4vw, 25px);
            margin: 20px 0;
        }

        .exam-tip-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: clamp(12px, 2.5vw, 15px);
            background: var(--bg-white);
            border-radius: 15px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .exam-tip-item:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow-md);
            border-left: 3px solid var(--hb-deep-pink);
        }

        .exam-tip-number {
            width: clamp(35px, 8vw, 40px);
            height: clamp(35px, 8vw, 40px);
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: clamp(16px, 3.5vw, 20px);
            flex-shrink: 0;
        }

        .exam-tip-text {
            flex: 1;
            font-size: clamp(14px, 3vw, 16px);
            color: var(--text-light);
        }

        .routine-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            border-radius: 15px;
            overflow: hidden;
        }

        .routine-table th {
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-purple));
            color: white;
            padding: clamp(12px, 2.5vw, 15px);
            font-weight: 700;
            font-size: clamp(14px, 3vw, 18px);
        }

        .routine-table td {
            padding: clamp(10px, 2vw, 12px);
            border-bottom: 1px solid var(--border-light);
            color: var(--text-light);
            font-size: clamp(13px, 2.8vw, 15px);
        }

        .routine-table tr:hover td {
            background: var(--hb-primary-light);
        }

        .time-badge {
            background: linear-gradient(135deg, var(--hb-primary), var(--hb-deep-pink));
            color: white;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: clamp(12px, 2.5vw, 14px);
            display: inline-block;
            white-space: nowrap;
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .tab-content.active {
            display: block;
        }

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

        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }

            .main-nav {
                padding: 8px 16px;
            }

            .main-nav #LOGO {
                width: 90px;
            }

            .profile-img {
                width: 36px;
                height: 36px;
            }

            .info-tabs {
                gap: 10px;
                padding: 0 15px;
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 5px;
                margin-bottom: 30px;
            }

            .info-tabs::-webkit-scrollbar {
                display: none;
            }
            
            .info-tabs {
                -ms-overflow-style: none;
                scrollbar-width: none;
            }

            .tab-btn {
                padding: 10px 20px;
                font-size: 14px;
                min-width: 100px;
                flex: 0 0 auto;
            }
        }

        @media (max-width: 480px) {
            body {
                padding-top: 60px;
            }

            .main-nav {
                padding: 6px 12px;
            }

            .main-nav #LOGO {
                width: 75px;
            }

            .profile-img {
                width: 32px;
                height: 32px;
            }

            .info-tabs {
                gap: 8px;
                padding: 0 10px;
            }

            .tab-btn {
                padding: 8px 16px;
                font-size: 13px;
                min-width: 85px;
            }

            .exam-tip-item {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .exam-tip-number {
                margin: 0 auto;
            }

            .page-header .subtitle {
                flex-direction: column;
                gap: 5px;
            }
        }

        @media (max-height: 500px) and (orientation: landscape) {
            .page-header {
                padding: 15px;
            }

            .motivation-card {
                padding: 20px;
            }
        }

        @media (hover: none) {
            .info-card:hover,
            .tip-item:hover,
            .tab-btn:hover {
                transform: none;
            }

            .tip-list li:hover {
                transform: none;
            }
        }

        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: loading 1.5s infinite;
        }

        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }