body {
    background-color: #f8f9fa;
}

[data-bs-theme="dark"] body {
    background-color: #212529;
}

#timer-display {
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
}

.tasks-section .list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#saved-sessions-container .card {
    transition: transform 0.2s;
}

#saved-sessions-container .card:hover {
    transform: translateY(-5px);
}

.collapsible-header {
    cursor: pointer;
}

[data-bs-theme="dark"] .collapsible-header {
    background-color: var(--bs-tertiary-bg);
}