body {
    font-family: sans-serif;
    margin: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

main {
    padding: 1rem;
}

#dashboard {
    background-color: #fff;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    text-align: center;
}

#total-cost {
    font-size: 3rem;
    font-weight: bold;
    margin: 0;
}

.dashboard-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-container {
    width: 150px;
    height: 150px;
}

.dashboard-secondary {
    margin-top: 1rem;
}

#add-subscription-btn {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 2rem;
    cursor: pointer;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.subscription-card {
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-logo {
    font-size: 2rem;
    margin-right: 1rem;
}

.card-details {
    flex-grow: 1;
}

.card-name {
    font-weight: bold;
    margin: 0;
}

.card-date {
    color: #666;
    margin: 0;
}

.card-price {
    font-weight: bold;
    font-size: 1.2rem;
}

.card-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: 0.5rem;
}

.date-urgent {
    color: #FF6384;
    font-weight: bold;
}

.date-soon {
    color: #FFCE56;
}

.date-normal {
    color: #36A2EB;
}

.chart-toggle {
    text-align: center;
    margin-top: 1rem;
}

.chart-toggle button {
    background: none;
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.chart-toggle button.active {
    background-color: #333;
    color: #fff;
}

#empty-state {
    text-align: center;
    color: #666;
    padding: 2rem;
}