body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #ba4949;
    color: white;
    transition: background-color 0.5s ease;
}

.container {
    text-align: center;
    padding: 2rem;
    width: 100%;
    max-width: 600px;
}

.timer {
    font-size: 6rem;
    font-weight: bold;
    margin: 2rem 0;
}

.controls button {
    font-size: 1.2rem;
    margin: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.controls button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.mode-buttons {
    margin-bottom: 2rem;
}

.mode-buttons button {
    font-size: 1rem;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
}

.mode-buttons button.active {
    background-color: rgba(255, 255, 255, 0.2);
}

#task-name {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Task List Styles */
.task-section {
    margin-top: 2rem;
    width: 100%;
    text-align: left;
}

.task-input-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#task-input {
    flex: 1;
    padding: 0.8rem;
    font-size: 1rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

#task-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

#add-task-btn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
}

.task-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.task-item {
    display: flex;
    align-items: center;
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    gap: 0.5rem;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.task-text {
    flex: 1;
    margin: 0 0.5rem;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    opacity: 0.7;
}

.delete-task-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
}