@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f7fc;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 22px;
    font-weight: 600;
}

.earn-section {
    width: 90%;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.tasks-info h3 {
    color: #007bff;
}

.complete-task-btn {
    width: 100%;
    background: linear-gradient(45deg, #ff9800, #ff5722);
    color: white;
    padding: 15px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    margin-top: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0px 5px 10px rgba(255, 87, 34, 0.3);
}

.complete-task-btn:hover {
    background: linear-gradient(45deg, #ff5722, #e91e63);
    box-shadow: 0px 7px 15px rgba(233, 30, 99, 0.3);
}

.complete-task-btn:disabled {
    background: gray;
    cursor: not-allowed;
    box-shadow: none;
}

.balance-info {
    text-align: center;
    font-size: 18px;
    margin-top: 20px;
    font-weight: 600;
}

.bottom-nav {
    display: flex;
    justify-content: space-around;
    background: white;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.bottom-nav a {
    text-decoration: none;
    color: #007bff;
    font-size: 14px;
    text-align: center;
    font-weight: 600;
}