body {
    background-color: #808080;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Monaco', 'Lucida Console';
    flex-direction: column;
    overflow-y: auto;
}

#timer-container {
    text-align: center;
    margin-top: 20px;
}

#timer-box-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

#timer-box {
    border: 2px solid white;
    padding: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #7f7f7f;
    position: relative;
    z-index: 1;
}

#timer {
    font-size: 48px;
    margin-bottom: 0;
    line-height: 1;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 5px;
    cursor: pointer;
    display: block;
    width: 100%;
    border-radius: 8px;
    border: none;
}

#start-button,
#settings-button,
#pause-button,
#submit-todo-button,
#done-button,
#confirm-yes,
#confirm-no {
    background-color: #6a6a6a;
    color: white;
    font-family: 'Monaco', 'Lucida Console';
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
    transition: background-color 0.2s ease, transform 0.1s ease;
}

#start-button:hover,
#settings-button:hover,
#pause-button:hover,
#submit-todo-button:hover,
#done-button:hover,
#confirm-yes:hover,
#confirm-no:hover {
    background-color: #7f7f7f;
    transform: translateY(-1px);
}

#start-button:active,
#settings-button:active,
#pause-button:active,
#submit-todo-button:active,
#done-button:active,
#confirm-yes:active,
#confirm-no:active {
    transform: translateY(1px);
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}


#session-counter {
    font-size: 18px;
    margin-top: 10px;
}

#timer-label {
    font-size: 24px;
    margin-bottom: 10px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    padding-top: 60px;
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.modal-content h2 {
    color: #333;
    margin-bottom: 15px;
}

.modal-content p {
    color: #555;
    margin-bottom: 20px;
}

.modal-content button {
    display: inline-block;
    width: auto;
    margin: 0 10px;
}

textarea {
    width: 200px;
}

#todo-container {
    text-align: center;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90%;
    max-width: 400px;
}

#todo-list {
    list-style-type: none;
    padding: 0;
    width: 100%;
    margin-top: 15px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    padding-right: 5px;
}

.todo-item {
    padding: 10px;
    margin: 5px 0;
    background-color: #7f7f7f;
    color: white;
    cursor: grab;
    transition: background-color 0.3s, box-shadow 0.3s, transform 0.3s ease-out;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.todo-item:hover {
    background-color: #6a6a6a;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.todo-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.todo-item.drag-over-top {
    border-top: 2px solid #fff;
}

.todo-item.drag-over-bottom {
    border-bottom: 2px solid #fff;
}

.todo-item .task-content {
    flex-grow: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 10px;
}

.todo-item .task-text {
    text-align: left;
    flex-grow: 1;
}

.todo-item .task-category {
    font-size: 0.8em;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 3px 8px;
    border-radius: 12px;
    margin-left: 10px;
    color: #eee;
    white-space: nowrap;
}

.delete-task-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    width: 28px;
    height: 28px;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: none;
    transition: background-color 0.2s ease;
    margin-left: auto;
}

.delete-task-btn:hover {
    background-color: #c82333;
    transform: none;
}


#todo-input,
#todo-category-input,
#submit-todo-button {
    padding: 10px;
    font-family: 'Monaco', 'Lucida Console';
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

#todo-input {
    width: calc(100% - 10px);
    max-width: 200px;
}

#todo-category-input {
    width: calc(100% - 10px);
    max-width: 150px;
}

#submit-todo-button {
    width: calc(100% - 10px);
    max-width: 200px;
}

@media (max-width: 600px) {
    #timer-box {
        padding: 20px;
    }

    #timer {
        font-size: 36px;
    }

    button {
        padding: 8px 15px;
        font-size: 14px;
    }

    .modal-content {
        width: 90%;
        padding: 15px;
    }

    #todo-input,
    #todo-category-input,
    #submit-todo-button {
        width: 90%;
        max-width: none;
    }
}