.app-header {
    position: sticky;
    top: 0;
    background-color: #333333;
    padding: 15px;
    text-align: center;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.app-header h1 {
    font-family: 'Stentiga', sans-serif;
    font-size: 32px;
    margin: 0;
}

.app-header a {
    color: #a2c3db;
    text-decoration: none;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #333333;
    display: flex;
    justify-content: space-around;
    padding: 12px 0 8px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

.bottom-nav a {
    color: #a2c3db;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 12px;
    padding: 8px;
    min-width: 60px;
    touch-action: manipulation;
}

.bottom-nav i {
    font-size: 20px;
    margin-bottom: 4px;
}