.timer-main {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    background-color: #f5f5f5;
}

.timer-container {
    width: 500px;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    /* box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); */
    box-shadow: rgba(17, 17, 26, 0.1) 0px 4px 16px, rgba(17, 17, 26, 0.1) 0px 8px 24px, rgba(17, 17, 26, 0.1) 0px 16px 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mode-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    width: 100%;
}

.mode-buttons button {
    flex: 1;
    padding: 8px 0;
    border: none;
    border-radius: 5px;
    background-color: #e9e9e9;
    cursor: pointer;
    transition: background-color 0.3s;
}

.mode-buttons button:hover {
    background-color: #d4d4d4;
}

.mode-buttons button.active {
    background-color: #4a90e2;
    color: white;
}

.timer-display {
    display: flex;
    justify-content: center;
    font-size: 10rem;
    font-weight: bold;
    color: #333;
    margin: 15px 0;
}

.control-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    width: 100%;
}

.control-buttons button {
    flex: 1;
    padding: 10px 0;
    border: none;
    border-radius: 5px;
    background-color: #4a90e2;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

.control-buttons button:hover {
    background-color: #3a7bc8;
}

.control-buttons button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}