body {
    margin: 0;
    font-family: Arial;
    background: #0B1F3A;
    color: white;
}

header {
    text-align: center;
    padding: 25px;
}

.logo h1 {
    margin: 0;
    color: #F57C00;
}

.logo p {
    margin: 0;
    font-size: 20px;
}

main {
    padding: 15px;
    padding-bottom: 80px;
}

.card {
    background: #142A4A;
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px #0005;
}

.workout p {
    background: #203B63;
    padding: 12px;
    border-radius: 10px;
}

button {
    background: #F57C00;
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 15px;
    font-size: 18px;
    cursor: pointer;
}

.progress {
    background: #222;
    height: 20px;
    border-radius: 20px;
    overflow: hidden;
}

#bar {
    height: 100%;
    width: 0%;
    background: #22C55E;
    transition: width 0.4s ease;
}

nav {
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    background: #08172B;
    padding: 12px;
    box-sizing: border-box;
}

nav button {
    background: none;
    font-size: 25px;
    padding: 0;
}